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-rw-r--r--core/fxge/ge/fx_ge.cpp60
-rw-r--r--core/fxge/ge/fx_ge_device.cpp474
-rw-r--r--core/fxge/ge/fx_ge_font.cpp545
-rw-r--r--core/fxge/ge/fx_ge_fontmap.cpp1623
-rw-r--r--core/fxge/ge/fx_ge_linux.cpp147
-rw-r--r--core/fxge/ge/fx_ge_path.cpp656
-rw-r--r--core/fxge/ge/fx_ge_ps.cpp700
-rw-r--r--core/fxge/ge/fx_ge_text.cpp1872
-rw-r--r--core/fxge/ge/fx_text_int.h84
9 files changed, 6161 insertions, 0 deletions
diff --git a/core/fxge/ge/fx_ge.cpp b/core/fxge/ge/fx_ge.cpp
new file mode 100644
index 0000000000..7ae9942dec
--- /dev/null
+++ b/core/fxge/ge/fx_ge.cpp
@@ -0,0 +1,60 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/include/fxge/fx_ge.h"
+
+#include "core/fxge/ge/fx_text_int.h"
+
+static CFX_GEModule* g_pGEModule = NULL;
+CFX_GEModule::CFX_GEModule(const char** pUserFontPaths) {
+ m_pFontCache = NULL;
+ m_pFontMgr = NULL;
+ m_FTLibrary = NULL;
+ m_pCodecModule = NULL;
+ m_pPlatformData = NULL;
+ m_pUserFontPaths = pUserFontPaths;
+}
+CFX_GEModule::~CFX_GEModule() {
+ delete m_pFontCache;
+ m_pFontCache = NULL;
+ delete m_pFontMgr;
+ m_pFontMgr = NULL;
+ DestroyPlatform();
+}
+CFX_GEModule* CFX_GEModule::Get() {
+ return g_pGEModule;
+}
+void CFX_GEModule::Create(const char** userFontPaths) {
+ g_pGEModule = new CFX_GEModule(userFontPaths);
+ g_pGEModule->m_pFontMgr = new CFX_FontMgr;
+ g_pGEModule->InitPlatform();
+ g_pGEModule->SetTextGamma(2.2f);
+}
+void CFX_GEModule::Use(CFX_GEModule* pModule) {
+ g_pGEModule = pModule;
+}
+void CFX_GEModule::Destroy() {
+ delete g_pGEModule;
+ g_pGEModule = NULL;
+}
+CFX_FontCache* CFX_GEModule::GetFontCache() {
+ if (!m_pFontCache) {
+ m_pFontCache = new CFX_FontCache();
+ }
+ return m_pFontCache;
+}
+void CFX_GEModule::SetTextGamma(FX_FLOAT gammaValue) {
+ gammaValue /= 2.2f;
+ int i = 0;
+ while (i < 256) {
+ m_GammaValue[i] =
+ (uint8_t)(FXSYS_pow((FX_FLOAT)i / 255, gammaValue) * 255.0f + 0.5f);
+ i++;
+ }
+}
+const uint8_t* CFX_GEModule::GetTextGammaTable() {
+ return m_GammaValue;
+}
diff --git a/core/fxge/ge/fx_ge_device.cpp b/core/fxge/ge/fx_ge_device.cpp
new file mode 100644
index 0000000000..b8ddfec841
--- /dev/null
+++ b/core/fxge/ge/fx_ge_device.cpp
@@ -0,0 +1,474 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/include/fxge/fx_ge.h"
+
+CFX_RenderDevice::CFX_RenderDevice() {
+ m_pDeviceDriver = NULL;
+ m_pBitmap = NULL;
+}
+CFX_RenderDevice::~CFX_RenderDevice() {
+ delete m_pDeviceDriver;
+}
+void CFX_RenderDevice::SetDeviceDriver(IFX_RenderDeviceDriver* pDriver) {
+ delete m_pDeviceDriver;
+ m_pDeviceDriver = pDriver;
+ InitDeviceInfo();
+}
+void CFX_RenderDevice::InitDeviceInfo() {
+ m_Width = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_WIDTH);
+ m_Height = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_HEIGHT);
+ m_bpp = m_pDeviceDriver->GetDeviceCaps(FXDC_BITS_PIXEL);
+ m_RenderCaps = m_pDeviceDriver->GetDeviceCaps(FXDC_RENDER_CAPS);
+ m_DeviceClass = m_pDeviceDriver->GetDeviceCaps(FXDC_DEVICE_CLASS);
+ if (!m_pDeviceDriver->GetClipBox(&m_ClipBox)) {
+ m_ClipBox.left = 0;
+ m_ClipBox.top = 0;
+ m_ClipBox.right = m_Width;
+ m_ClipBox.bottom = m_Height;
+ }
+}
+FX_BOOL CFX_RenderDevice::StartRendering() {
+ return m_pDeviceDriver->StartRendering();
+}
+void CFX_RenderDevice::EndRendering() {
+ m_pDeviceDriver->EndRendering();
+}
+void CFX_RenderDevice::SaveState() {
+ m_pDeviceDriver->SaveState();
+}
+void CFX_RenderDevice::RestoreState(FX_BOOL bKeepSaved) {
+ m_pDeviceDriver->RestoreState(bKeepSaved);
+ UpdateClipBox();
+}
+int CFX_RenderDevice::GetDeviceCaps(int caps_id) const {
+ return m_pDeviceDriver->GetDeviceCaps(caps_id);
+}
+CFX_Matrix CFX_RenderDevice::GetCTM() const {
+ return m_pDeviceDriver->GetCTM();
+}
+FX_BOOL CFX_RenderDevice::CreateCompatibleBitmap(CFX_DIBitmap* pDIB,
+ int width,
+ int height) const {
+ if (m_RenderCaps & FXRC_CMYK_OUTPUT) {
+ return pDIB->Create(width, height, m_RenderCaps & FXRC_ALPHA_OUTPUT
+ ? FXDIB_Cmyka
+ : FXDIB_Cmyk);
+ }
+ if (m_RenderCaps & FXRC_BYTEMASK_OUTPUT) {
+ return pDIB->Create(width, height, FXDIB_8bppMask);
+ }
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ return pDIB->Create(width, height, m_RenderCaps & FXRC_ALPHA_OUTPUT
+ ? FXDIB_Argb
+ : FXDIB_Rgb32);
+#else
+ return pDIB->Create(
+ width, height, m_RenderCaps & FXRC_ALPHA_OUTPUT ? FXDIB_Argb : FXDIB_Rgb);
+#endif
+}
+FX_BOOL CFX_RenderDevice::SetClip_PathFill(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ int fill_mode) {
+ if (!m_pDeviceDriver->SetClip_PathFill(pPathData, pObject2Device,
+ fill_mode)) {
+ return FALSE;
+ }
+ UpdateClipBox();
+ return TRUE;
+}
+FX_BOOL CFX_RenderDevice::SetClip_PathStroke(
+ const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState) {
+ if (!m_pDeviceDriver->SetClip_PathStroke(pPathData, pObject2Device,
+ pGraphState)) {
+ return FALSE;
+ }
+ UpdateClipBox();
+ return TRUE;
+}
+FX_BOOL CFX_RenderDevice::SetClip_Rect(const FX_RECT& rect) {
+ CFX_PathData path;
+ path.AppendRect(rect.left, rect.bottom, rect.right, rect.top);
+ if (!SetClip_PathFill(&path, nullptr, FXFILL_WINDING))
+ return FALSE;
+
+ UpdateClipBox();
+ return TRUE;
+}
+void CFX_RenderDevice::UpdateClipBox() {
+ if (m_pDeviceDriver->GetClipBox(&m_ClipBox)) {
+ return;
+ }
+ m_ClipBox.left = 0;
+ m_ClipBox.top = 0;
+ m_ClipBox.right = m_Width;
+ m_ClipBox.bottom = m_Height;
+}
+FX_BOOL CFX_RenderDevice::DrawPath(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState,
+ FX_DWORD fill_color,
+ FX_DWORD stroke_color,
+ int fill_mode,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) {
+ uint8_t fill_alpha, stroke_alpha;
+ if (FXGETFLAG_COLORTYPE(alpha_flag)) {
+ fill_alpha = FXGETFLAG_ALPHA_FILL(alpha_flag);
+ stroke_alpha = FXGETFLAG_ALPHA_STROKE(alpha_flag);
+ } else {
+ fill_alpha = FXARGB_A(fill_color);
+ stroke_alpha = FXARGB_A(stroke_color);
+ }
+ if ((fill_mode & 3) == 0) {
+ fill_alpha = 0;
+ }
+ if (!pGraphState) {
+ stroke_alpha = 0;
+ }
+ if (stroke_alpha == 0 && pPathData->GetPointCount() == 2) {
+ FX_PATHPOINT* pPoints = pPathData->GetPoints();
+ FX_FLOAT x1, x2, y1, y2;
+ if (pObject2Device) {
+ pObject2Device->Transform(pPoints[0].m_PointX, pPoints[0].m_PointY, x1,
+ y1);
+ pObject2Device->Transform(pPoints[1].m_PointX, pPoints[1].m_PointY, x2,
+ y2);
+ } else {
+ x1 = pPoints[0].m_PointX;
+ y1 = pPoints[0].m_PointY;
+ x2 = pPoints[1].m_PointX;
+ y2 = pPoints[1].m_PointY;
+ }
+ DrawCosmeticLine(x1, y1, x2, y2, fill_color, fill_mode, alpha_flag,
+ pIccTransform, blend_type);
+ return TRUE;
+ }
+ if ((pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) &&
+ stroke_alpha == 0) {
+ CFX_FloatRect rect_f;
+ if (!(fill_mode & FXFILL_RECT_AA) &&
+ pPathData->IsRect(pObject2Device, &rect_f)) {
+ FX_RECT rect_i = rect_f.GetOutterRect();
+ int width = (int)FXSYS_ceil(rect_f.right - rect_f.left);
+ if (width < 1) {
+ width = 1;
+ if (rect_i.left == rect_i.right) {
+ rect_i.right++;
+ }
+ }
+ int height = (int)FXSYS_ceil(rect_f.top - rect_f.bottom);
+ if (height < 1) {
+ height = 1;
+ if (rect_i.bottom == rect_i.top) {
+ rect_i.bottom++;
+ }
+ }
+ if (rect_i.Width() >= width + 1) {
+ if (rect_f.left - (FX_FLOAT)(rect_i.left) >
+ (FX_FLOAT)(rect_i.right) - rect_f.right) {
+ rect_i.left++;
+ } else {
+ rect_i.right--;
+ }
+ }
+ if (rect_i.Height() >= height + 1) {
+ if (rect_f.top - (FX_FLOAT)(rect_i.top) >
+ (FX_FLOAT)(rect_i.bottom) - rect_f.bottom) {
+ rect_i.top++;
+ } else {
+ rect_i.bottom--;
+ }
+ }
+ if (FillRect(&rect_i, fill_color, alpha_flag, pIccTransform,
+ blend_type)) {
+ return TRUE;
+ }
+ }
+ }
+ if ((fill_mode & 3) && stroke_alpha == 0 && !(fill_mode & FX_FILL_STROKE) &&
+ !(fill_mode & FX_FILL_TEXT_MODE)) {
+ CFX_PathData newPath;
+ FX_BOOL bThin = FALSE;
+ if (pPathData->GetZeroAreaPath(newPath, (CFX_Matrix*)pObject2Device, bThin,
+ m_pDeviceDriver->GetDriverType())) {
+ CFX_GraphStateData graphState;
+ graphState.m_LineWidth = 0.0f;
+ FX_DWORD strokecolor = fill_color;
+ if (bThin) {
+ if (FXGETFLAG_COLORTYPE(alpha_flag)) {
+ FXSETFLAG_ALPHA_STROKE(alpha_flag, fill_alpha >> 2);
+ } else {
+ strokecolor =
+ (((fill_alpha >> 2) << 24) | (strokecolor & 0x00ffffff));
+ }
+ }
+ CFX_Matrix* pMatrix = NULL;
+ if (pObject2Device && !pObject2Device->IsIdentity()) {
+ pMatrix = (CFX_Matrix*)pObject2Device;
+ }
+ int smooth_path = FX_ZEROAREA_FILL;
+ if (fill_mode & FXFILL_NOPATHSMOOTH) {
+ smooth_path |= FXFILL_NOPATHSMOOTH;
+ }
+ m_pDeviceDriver->DrawPath(&newPath, pMatrix, &graphState, 0, strokecolor,
+ smooth_path, alpha_flag, pIccTransform,
+ blend_type);
+ }
+ }
+ if ((fill_mode & 3) && fill_alpha && stroke_alpha < 0xff &&
+ (fill_mode & FX_FILL_STROKE)) {
+ if (!(m_RenderCaps & FXRC_GET_BITS)) {
+ return FALSE;
+ }
+ CFX_FloatRect bbox;
+ if (pGraphState) {
+ bbox = pPathData->GetBoundingBox(pGraphState->m_LineWidth,
+ pGraphState->m_MiterLimit);
+ } else {
+ bbox = pPathData->GetBoundingBox();
+ }
+ if (pObject2Device) {
+ bbox.Transform(pObject2Device);
+ }
+ CFX_Matrix ctm = GetCTM();
+ FX_FLOAT fScaleX = FXSYS_fabs(ctm.a);
+ FX_FLOAT fScaleY = FXSYS_fabs(ctm.d);
+ FX_RECT rect = bbox.GetOutterRect();
+ CFX_DIBitmap bitmap, Backdrop;
+ if (!CreateCompatibleBitmap(&bitmap, FXSYS_round(rect.Width() * fScaleX),
+ FXSYS_round(rect.Height() * fScaleY))) {
+ return FALSE;
+ }
+ if (bitmap.HasAlpha()) {
+ bitmap.Clear(0);
+ Backdrop.Copy(&bitmap);
+ } else {
+ if (!m_pDeviceDriver->GetDIBits(&bitmap, rect.left, rect.top, NULL)) {
+ return FALSE;
+ }
+ Backdrop.Copy(&bitmap);
+ }
+ CFX_FxgeDevice bitmap_device;
+ bitmap_device.Attach(&bitmap, 0, FALSE, &Backdrop, TRUE);
+ CFX_Matrix matrix;
+ if (pObject2Device) {
+ matrix = *pObject2Device;
+ }
+ matrix.TranslateI(-rect.left, -rect.top);
+ matrix.Concat(fScaleX, 0, 0, fScaleY, 0, 0);
+ if (!bitmap_device.GetDeviceDriver()->DrawPath(
+ pPathData, &matrix, pGraphState, fill_color, stroke_color,
+ fill_mode, alpha_flag, pIccTransform, blend_type)) {
+ return FALSE;
+ }
+ FX_RECT src_rect(0, 0, FXSYS_round(rect.Width() * fScaleX),
+ FXSYS_round(rect.Height() * fScaleY));
+ return m_pDeviceDriver->SetDIBits(&bitmap, 0, &src_rect, rect.left,
+ rect.top, FXDIB_BLEND_NORMAL);
+ }
+ return m_pDeviceDriver->DrawPath(pPathData, pObject2Device, pGraphState,
+ fill_color, stroke_color, fill_mode,
+ alpha_flag, pIccTransform, blend_type);
+}
+FX_BOOL CFX_RenderDevice::SetPixel(int x,
+ int y,
+ FX_DWORD color,
+ int alpha_flag,
+ void* pIccTransform) {
+ if (m_pDeviceDriver->SetPixel(x, y, color, alpha_flag, pIccTransform)) {
+ return TRUE;
+ }
+ FX_RECT rect(x, y, x + 1, y + 1);
+ return FillRect(&rect, color, alpha_flag, pIccTransform);
+}
+FX_BOOL CFX_RenderDevice::FillRect(const FX_RECT* pRect,
+ FX_DWORD fill_color,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) {
+ if (m_pDeviceDriver->FillRect(pRect, fill_color, alpha_flag, pIccTransform,
+ blend_type)) {
+ return TRUE;
+ }
+ if (!(m_RenderCaps & FXRC_GET_BITS)) {
+ return FALSE;
+ }
+ CFX_DIBitmap bitmap;
+ if (!CreateCompatibleBitmap(&bitmap, pRect->Width(), pRect->Height())) {
+ return FALSE;
+ }
+ if (!m_pDeviceDriver->GetDIBits(&bitmap, pRect->left, pRect->top)) {
+ return FALSE;
+ }
+ if (!bitmap.CompositeRect(0, 0, pRect->Width(), pRect->Height(), fill_color,
+ alpha_flag, pIccTransform)) {
+ return FALSE;
+ }
+ FX_RECT src_rect(0, 0, pRect->Width(), pRect->Height());
+ m_pDeviceDriver->SetDIBits(&bitmap, 0, &src_rect, pRect->left, pRect->top,
+ FXDIB_BLEND_NORMAL);
+ return TRUE;
+}
+FX_BOOL CFX_RenderDevice::DrawCosmeticLine(FX_FLOAT x1,
+ FX_FLOAT y1,
+ FX_FLOAT x2,
+ FX_FLOAT y2,
+ FX_DWORD color,
+ int fill_mode,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) {
+ if (((m_RenderCaps & FXRC_ALPHA_PATH) &&
+ (FXGETFLAG_COLORTYPE(alpha_flag) &&
+ FXGETFLAG_ALPHA_FILL(alpha_flag) == 0xff)) ||
+ color >= 0xff000000) {
+ if (m_pDeviceDriver->DrawCosmeticLine(x1, y1, x2, y2, color, alpha_flag,
+ pIccTransform, blend_type)) {
+ return TRUE;
+ }
+ }
+ CFX_GraphStateData graph_state;
+ CFX_PathData path;
+ path.SetPointCount(2);
+ path.SetPoint(0, x1, y1, FXPT_MOVETO);
+ path.SetPoint(1, x2, y2, FXPT_LINETO);
+ return m_pDeviceDriver->DrawPath(&path, NULL, &graph_state, 0, color,
+ fill_mode, alpha_flag, pIccTransform,
+ blend_type);
+}
+FX_BOOL CFX_RenderDevice::GetDIBits(CFX_DIBitmap* pBitmap,
+ int left,
+ int top,
+ void* pIccTransform) {
+ if (!(m_RenderCaps & FXRC_GET_BITS)) {
+ return FALSE;
+ }
+ return m_pDeviceDriver->GetDIBits(pBitmap, left, top, pIccTransform);
+}
+CFX_DIBitmap* CFX_RenderDevice::GetBackDrop() {
+ return m_pDeviceDriver->GetBackDrop();
+}
+FX_BOOL CFX_RenderDevice::SetDIBits(const CFX_DIBSource* pBitmap,
+ int left,
+ int top,
+ int blend_mode,
+ void* pIccTransform) {
+ ASSERT(!pBitmap->IsAlphaMask());
+ CFX_Matrix ctm = GetCTM();
+ FX_FLOAT fScaleX = FXSYS_fabs(ctm.a);
+ FX_FLOAT fScaleY = FXSYS_fabs(ctm.d);
+ FX_RECT dest_rect(left, top,
+ FXSYS_round(left + pBitmap->GetWidth() / fScaleX),
+ FXSYS_round(top + pBitmap->GetHeight() / fScaleY));
+ dest_rect.Intersect(m_ClipBox);
+ if (dest_rect.IsEmpty()) {
+ return TRUE;
+ }
+ FX_RECT src_rect(dest_rect.left - left, dest_rect.top - top,
+ dest_rect.left - left + dest_rect.Width(),
+ dest_rect.top - top + dest_rect.Height());
+ src_rect.left = FXSYS_round(src_rect.left * fScaleX);
+ src_rect.top = FXSYS_round(src_rect.top * fScaleY);
+ src_rect.right = FXSYS_round(src_rect.right * fScaleX);
+ src_rect.bottom = FXSYS_round(src_rect.bottom * fScaleY);
+ if ((blend_mode != FXDIB_BLEND_NORMAL && !(m_RenderCaps & FXRC_BLEND_MODE)) ||
+ (pBitmap->HasAlpha() && !(m_RenderCaps & FXRC_ALPHA_IMAGE))) {
+ if (!(m_RenderCaps & FXRC_GET_BITS)) {
+ return FALSE;
+ }
+ int bg_pixel_width = FXSYS_round(dest_rect.Width() * fScaleX);
+ int bg_pixel_height = FXSYS_round(dest_rect.Height() * fScaleY);
+ CFX_DIBitmap background;
+ if (!background.Create(
+ bg_pixel_width, bg_pixel_height,
+ (m_RenderCaps & FXRC_CMYK_OUTPUT) ? FXDIB_Cmyk : FXDIB_Rgb32)) {
+ return FALSE;
+ }
+ if (!m_pDeviceDriver->GetDIBits(&background, dest_rect.left,
+ dest_rect.top)) {
+ return FALSE;
+ }
+ if (!background.CompositeBitmap(0, 0, bg_pixel_width, bg_pixel_height,
+ pBitmap, src_rect.left, src_rect.top,
+ blend_mode, NULL, FALSE, pIccTransform)) {
+ return FALSE;
+ }
+ FX_RECT src_rect(0, 0, bg_pixel_width, bg_pixel_height);
+ return m_pDeviceDriver->SetDIBits(&background, 0, &src_rect, dest_rect.left,
+ dest_rect.top, FXDIB_BLEND_NORMAL);
+ }
+ return m_pDeviceDriver->SetDIBits(pBitmap, 0, &src_rect, dest_rect.left,
+ dest_rect.top, blend_mode, 0,
+ pIccTransform);
+}
+FX_BOOL CFX_RenderDevice::StretchDIBits(const CFX_DIBSource* pBitmap,
+ int left,
+ int top,
+ int dest_width,
+ int dest_height,
+ FX_DWORD flags,
+ void* pIccTransform,
+ int blend_mode) {
+ FX_RECT dest_rect(left, top, left + dest_width, top + dest_height);
+ FX_RECT clip_box = m_ClipBox;
+ clip_box.Intersect(dest_rect);
+ if (clip_box.IsEmpty()) {
+ return TRUE;
+ }
+ return m_pDeviceDriver->StretchDIBits(pBitmap, 0, left, top, dest_width,
+ dest_height, &clip_box, flags, 0,
+ pIccTransform, blend_mode);
+}
+FX_BOOL CFX_RenderDevice::SetBitMask(const CFX_DIBSource* pBitmap,
+ int left,
+ int top,
+ FX_DWORD argb,
+ int alpha_flag,
+ void* pIccTransform) {
+ FX_RECT src_rect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight());
+ return m_pDeviceDriver->SetDIBits(pBitmap, argb, &src_rect, left, top,
+ FXDIB_BLEND_NORMAL, alpha_flag,
+ pIccTransform);
+}
+FX_BOOL CFX_RenderDevice::StretchBitMask(const CFX_DIBSource* pBitmap,
+ int left,
+ int top,
+ int dest_width,
+ int dest_height,
+ FX_DWORD argb,
+ FX_DWORD flags,
+ int alpha_flag,
+ void* pIccTransform) {
+ FX_RECT dest_rect(left, top, left + dest_width, top + dest_height);
+ FX_RECT clip_box = m_ClipBox;
+ clip_box.Intersect(dest_rect);
+ return m_pDeviceDriver->StretchDIBits(pBitmap, argb, left, top, dest_width,
+ dest_height, &clip_box, flags,
+ alpha_flag, pIccTransform);
+}
+FX_BOOL CFX_RenderDevice::StartDIBits(const CFX_DIBSource* pBitmap,
+ int bitmap_alpha,
+ FX_DWORD argb,
+ const CFX_Matrix* pMatrix,
+ FX_DWORD flags,
+ void*& handle,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_mode) {
+ return m_pDeviceDriver->StartDIBits(pBitmap, bitmap_alpha, argb, pMatrix,
+ flags, handle, alpha_flag, pIccTransform,
+ blend_mode);
+}
+FX_BOOL CFX_RenderDevice::ContinueDIBits(void* handle, IFX_Pause* pPause) {
+ return m_pDeviceDriver->ContinueDIBits(handle, pPause);
+}
+void CFX_RenderDevice::CancelDIBits(void* handle) {
+ m_pDeviceDriver->CancelDIBits(handle);
+}
diff --git a/core/fxge/ge/fx_ge_font.cpp b/core/fxge/ge/fx_ge_font.cpp
new file mode 100644
index 0000000000..14783085ac
--- /dev/null
+++ b/core/fxge/ge/fx_ge_font.cpp
@@ -0,0 +1,545 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxge/ge/fx_text_int.h"
+#include "core/include/fxge/fx_freetype.h"
+#include "core/include/fxge/fx_ge.h"
+
+#define EM_ADJUST(em, a) (em == 0 ? (a) : (a)*1000 / em)
+
+#ifdef PDF_ENABLE_XFA
+extern void _FPDFAPI_GetInternalFontData(int id1,
+ const uint8_t*& data,
+ FX_DWORD& size);
+#endif // PDF_ENABLE_XFA
+
+namespace {
+
+#ifdef PDF_ENABLE_XFA
+const FX_DWORD g_EncodingID[] = {
+ FXFM_ENCODING_MS_SYMBOL, FXFM_ENCODING_UNICODE,
+ FXFM_ENCODING_MS_SJIS, FXFM_ENCODING_MS_GB2312,
+ FXFM_ENCODING_MS_BIG5, FXFM_ENCODING_MS_WANSUNG,
+ FXFM_ENCODING_MS_JOHAB, FXFM_ENCODING_ADOBE_STANDARD,
+ FXFM_ENCODING_ADOBE_EXPERT, FXFM_ENCODING_ADOBE_CUSTOM,
+ FXFM_ENCODING_ADOBE_LATIN_1, FXFM_ENCODING_OLD_LATIN_2,
+ FXFM_ENCODING_APPLE_ROMAN,
+};
+
+CFX_UnicodeEncodingEx* _FXFM_CreateFontEncoding(CFX_Font* pFont,
+ FX_DWORD nEncodingID) {
+ if (FXFT_Select_Charmap(pFont->GetFace(), nEncodingID))
+ return nullptr;
+ return new CFX_UnicodeEncodingEx(pFont, nEncodingID);
+}
+#endif // PDF_ENABLE_XFA
+
+FXFT_Face FT_LoadFont(const uint8_t* pData, int size) {
+ return CFX_GEModule::Get()->GetFontMgr()->GetFixedFace(pData, size, 0);
+}
+
+} // namespace
+
+CFX_Font::CFX_Font() {
+ m_pSubstFont = NULL;
+ m_Face = NULL;
+ m_bEmbedded = FALSE;
+ m_bVertical = FALSE;
+ m_pFontData = NULL;
+ m_pFontDataAllocation = NULL;
+ m_dwSize = 0;
+ m_pGsubData = NULL;
+ m_pPlatformFont = NULL;
+ m_pPlatformFontCollection = NULL;
+ m_pDwFont = NULL;
+ m_hHandle = NULL;
+ m_bDwLoaded = FALSE;
+#ifdef PDF_ENABLE_XFA
+ m_bLogic = FALSE;
+ m_pOwnedStream = NULL;
+#endif // PDF_ENABLE_XFA
+}
+
+#ifdef PDF_ENABLE_XFA
+FX_BOOL CFX_Font::LoadClone(const CFX_Font* pFont) {
+ if (pFont == NULL) {
+ return FALSE;
+ }
+ m_bLogic = TRUE;
+ if (pFont->m_pSubstFont) {
+ m_pSubstFont = new CFX_SubstFont;
+ m_pSubstFont->m_Charset = pFont->m_pSubstFont->m_Charset;
+ m_pSubstFont->m_ExtHandle = pFont->m_pSubstFont->m_ExtHandle;
+ m_pSubstFont->m_SubstFlags = pFont->m_pSubstFont->m_SubstFlags;
+ m_pSubstFont->m_Weight = pFont->m_pSubstFont->m_Weight;
+ m_pSubstFont->m_Family = pFont->m_pSubstFont->m_Family;
+ m_pSubstFont->m_ItalicAngle = pFont->m_pSubstFont->m_ItalicAngle;
+ }
+ if (pFont->m_OtfFontData.GetSize()) {
+ m_OtfFontData.AttachData(pFont->m_OtfFontData.GetBuffer(),
+ pFont->m_OtfFontData.GetSize());
+ }
+ m_Face = pFont->m_Face;
+ m_bEmbedded = pFont->m_bEmbedded;
+ m_bVertical = pFont->m_bVertical;
+ m_dwSize = pFont->m_dwSize;
+ m_pFontData = pFont->m_pFontData;
+ m_pGsubData = pFont->m_pGsubData;
+ m_pPlatformFont = pFont->m_pPlatformFont;
+ m_pPlatformFontCollection = pFont->m_pPlatformFontCollection;
+ m_pDwFont = pFont->m_pDwFont;
+ m_hHandle = pFont->m_hHandle;
+ m_bDwLoaded = pFont->m_bDwLoaded;
+ m_pOwnedStream = pFont->m_pOwnedStream;
+ return TRUE;
+}
+#endif // PDF_ENABLE_XFA
+
+CFX_Font::~CFX_Font() {
+ delete m_pSubstFont;
+ FX_Free(m_pFontDataAllocation);
+#ifdef PDF_ENABLE_XFA
+ if (m_bLogic) {
+ m_OtfFontData.DetachBuffer();
+ return;
+ }
+#endif // PDF_ENABLE_XFA
+ if (m_Face) {
+#ifndef PDF_ENABLE_XFA
+ if (FXFT_Get_Face_External_Stream(m_Face)) {
+ FXFT_Clear_Face_External_Stream(m_Face);
+ }
+#endif // PDF_ENABLE_XFA
+ if (m_bEmbedded) {
+ DeleteFace();
+ } else {
+ CFX_GEModule::Get()->GetFontMgr()->ReleaseFace(m_Face);
+ }
+ }
+#ifdef PDF_ENABLE_XFA
+ FX_Free(m_pOwnedStream);
+#endif // PDF_ENABLE_XFA
+ FX_Free(m_pGsubData);
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ ReleasePlatformResource();
+#endif
+}
+void CFX_Font::DeleteFace() {
+ FXFT_Done_Face(m_Face);
+ m_Face = NULL;
+}
+void CFX_Font::LoadSubst(const CFX_ByteString& face_name,
+ FX_BOOL bTrueType,
+ FX_DWORD flags,
+ int weight,
+ int italic_angle,
+ int CharsetCP,
+ FX_BOOL bVertical) {
+ m_bEmbedded = FALSE;
+ m_bVertical = bVertical;
+ m_pSubstFont = new CFX_SubstFont;
+ m_Face = CFX_GEModule::Get()->GetFontMgr()->FindSubstFont(
+ face_name, bTrueType, flags, weight, italic_angle, CharsetCP,
+ m_pSubstFont);
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ if (m_pSubstFont->m_ExtHandle) {
+ m_pPlatformFont = m_pSubstFont->m_ExtHandle;
+ m_pSubstFont->m_ExtHandle = NULL;
+ }
+#endif
+ if (m_Face) {
+ m_pFontData = FXFT_Get_Face_Stream_Base(m_Face);
+ m_dwSize = FXFT_Get_Face_Stream_Size(m_Face);
+ }
+}
+#ifdef PDF_ENABLE_XFA
+extern "C" {
+unsigned long _FTStreamRead(FXFT_Stream stream,
+ unsigned long offset,
+ unsigned char* buffer,
+ unsigned long count) {
+ if (count == 0) {
+ return 0;
+ }
+ IFX_FileRead* pFile = (IFX_FileRead*)stream->descriptor.pointer;
+ int res = pFile->ReadBlock(buffer, offset, count);
+ if (res) {
+ return count;
+ }
+ return 0;
+}
+void _FTStreamClose(FXFT_Stream stream) {}
+};
+FX_BOOL _LoadFile(FXFT_Library library,
+ FXFT_Face* Face,
+ IFX_FileRead* pFile,
+ FXFT_Stream* stream,
+ int32_t faceIndex = 0) {
+ FXFT_Stream stream1 = (FXFT_Stream)FX_Alloc(uint8_t, sizeof(FXFT_StreamRec));
+ stream1->base = NULL;
+ stream1->size = (unsigned long)pFile->GetSize();
+ stream1->pos = 0;
+ stream1->descriptor.pointer = pFile;
+ stream1->close = _FTStreamClose;
+ stream1->read = _FTStreamRead;
+ FXFT_Open_Args args;
+ args.flags = FT_OPEN_STREAM;
+ args.stream = stream1;
+ if (FXFT_Open_Face(library, &args, faceIndex, Face)) {
+ FX_Free(stream1);
+ return FALSE;
+ }
+ if (stream) {
+ *stream = stream1;
+ }
+ return TRUE;
+}
+
+FX_BOOL CFX_Font::LoadFile(IFX_FileRead* pFile,
+ int nFaceIndex,
+ int* pFaceCount) {
+ m_bEmbedded = FALSE;
+
+ CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
+ pFontMgr->InitFTLibrary();
+ FXFT_Library library = pFontMgr->GetFTLibrary();
+
+ FXFT_Stream stream = nullptr;
+ if (!_LoadFile(library, &m_Face, pFile, &stream, nFaceIndex))
+ return FALSE;
+
+ if (pFaceCount)
+ *pFaceCount = (int)m_Face->num_faces;
+ m_pOwnedStream = stream;
+ FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
+ return TRUE;
+}
+#endif // PDF_ENABLE_XFA
+
+int CFX_Font::GetGlyphWidth(FX_DWORD glyph_index) {
+ if (!m_Face) {
+ return 0;
+ }
+ if (m_pSubstFont && (m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM)) {
+ AdjustMMParams(glyph_index, 0, 0);
+ }
+ int err = FXFT_Load_Glyph(
+ m_Face, glyph_index,
+ FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
+ if (err) {
+ return 0;
+ }
+ int width = EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
+ FXFT_Get_Glyph_HoriAdvance(m_Face));
+ return width;
+}
+
+FX_BOOL CFX_Font::LoadEmbedded(const uint8_t* data, FX_DWORD size) {
+ m_pFontDataAllocation = FX_Alloc(uint8_t, size);
+ FXSYS_memcpy(m_pFontDataAllocation, data, size);
+ m_Face = FT_LoadFont(m_pFontDataAllocation, size);
+ m_pFontData = m_pFontDataAllocation;
+ m_bEmbedded = TRUE;
+ m_dwSize = size;
+ return m_Face != NULL;
+}
+
+FX_BOOL CFX_Font::IsTTFont() const {
+ if (!m_Face)
+ return FALSE;
+ return FXFT_Is_Face_TT_OT(m_Face) == FXFT_FACE_FLAG_SFNT;
+}
+
+int CFX_Font::GetAscent() const {
+ if (!m_Face)
+ return 0;
+ return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
+ FXFT_Get_Face_Ascender(m_Face));
+}
+
+int CFX_Font::GetDescent() const {
+ if (!m_Face)
+ return 0;
+ return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
+ FXFT_Get_Face_Descender(m_Face));
+}
+
+FX_BOOL CFX_Font::GetGlyphBBox(FX_DWORD glyph_index, FX_RECT& bbox) {
+ if (!m_Face)
+ return FALSE;
+
+ if (FXFT_Is_Face_Tricky(m_Face)) {
+ int error = FXFT_Set_Char_Size(m_Face, 0, 1000 * 64, 72, 72);
+ if (error) {
+ return FALSE;
+ }
+ error = FXFT_Load_Glyph(m_Face, glyph_index,
+ FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
+ if (error) {
+ return FALSE;
+ }
+ FXFT_BBox cbox;
+ FT_Glyph glyph;
+ error = FXFT_Get_Glyph(((FXFT_Face)m_Face)->glyph, &glyph);
+ if (error) {
+ return FALSE;
+ }
+ FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
+ int pixel_size_x = ((FXFT_Face)m_Face)->size->metrics.x_ppem,
+ pixel_size_y = ((FXFT_Face)m_Face)->size->metrics.y_ppem;
+ if (pixel_size_x == 0 || pixel_size_y == 0) {
+ bbox.left = cbox.xMin;
+ bbox.right = cbox.xMax;
+ bbox.top = cbox.yMax;
+ bbox.bottom = cbox.yMin;
+ } else {
+ bbox.left = cbox.xMin * 1000 / pixel_size_x;
+ bbox.right = cbox.xMax * 1000 / pixel_size_x;
+ bbox.top = cbox.yMax * 1000 / pixel_size_y;
+ bbox.bottom = cbox.yMin * 1000 / pixel_size_y;
+ }
+ if (bbox.top > FXFT_Get_Face_Ascender(m_Face)) {
+ bbox.top = FXFT_Get_Face_Ascender(m_Face);
+ }
+ if (bbox.bottom < FXFT_Get_Face_Descender(m_Face)) {
+ bbox.bottom = FXFT_Get_Face_Descender(m_Face);
+ }
+ FT_Done_Glyph(glyph);
+ return FXFT_Set_Pixel_Sizes(m_Face, 0, 64) == 0;
+ }
+ if (FXFT_Load_Glyph(
+ m_Face, glyph_index,
+ FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
+ return FALSE;
+ }
+ int em = FXFT_Get_Face_UnitsPerEM(m_Face);
+ if (em == 0) {
+ bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face);
+ bbox.bottom = FXFT_Get_Glyph_HoriBearingY(m_Face);
+ bbox.top = bbox.bottom - FXFT_Get_Glyph_Height(m_Face);
+ bbox.right = bbox.left + FXFT_Get_Glyph_Width(m_Face);
+ } else {
+ bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face) * 1000 / em;
+ bbox.top =
+ (FXFT_Get_Glyph_HoriBearingY(m_Face) - FXFT_Get_Glyph_Height(m_Face)) *
+ 1000 / em;
+ bbox.right =
+ (FXFT_Get_Glyph_HoriBearingX(m_Face) + FXFT_Get_Glyph_Width(m_Face)) *
+ 1000 / em;
+ bbox.bottom = (FXFT_Get_Glyph_HoriBearingY(m_Face)) * 1000 / em;
+ }
+ return TRUE;
+}
+
+FX_BOOL CFX_Font::IsItalic() const {
+ if (!m_Face)
+ return FALSE;
+
+ FX_BOOL ret = FXFT_Is_Face_Italic(m_Face) == FXFT_STYLE_FLAG_ITALIC;
+ if (!ret) {
+ CFX_ByteString str(FXFT_Get_Face_Style_Name(m_Face));
+ str.MakeLower();
+ if (str.Find("italic") != -1) {
+ ret = TRUE;
+ }
+ }
+ return ret;
+}
+
+FX_BOOL CFX_Font::IsBold() const {
+ if (!m_Face)
+ return FALSE;
+ return FXFT_Is_Face_Bold(m_Face) == FXFT_STYLE_FLAG_BOLD;
+}
+
+FX_BOOL CFX_Font::IsFixedWidth() const {
+ if (!m_Face)
+ return FALSE;
+ return FXFT_Is_Face_fixedwidth(m_Face);
+}
+
+CFX_WideString CFX_Font::GetPsName() const {
+ if (!m_Face) {
+ return CFX_WideString();
+ }
+ CFX_WideString psName =
+ CFX_WideString::FromLocal(FXFT_Get_Postscript_Name(m_Face));
+ if (psName.IsEmpty()) {
+ psName = CFX_WideString::FromLocal("Untitled");
+ }
+ return psName;
+}
+CFX_ByteString CFX_Font::GetFamilyName() const {
+ if (!m_Face && !m_pSubstFont) {
+ return CFX_ByteString();
+ }
+ if (m_Face) {
+ return CFX_ByteString(FXFT_Get_Face_Family_Name(m_Face));
+ }
+ return m_pSubstFont->m_Family;
+}
+CFX_ByteString CFX_Font::GetFaceName() const {
+ if (!m_Face && !m_pSubstFont) {
+ return CFX_ByteString();
+ }
+ if (m_Face) {
+ CFX_ByteString facename;
+ CFX_ByteString style = CFX_ByteString(FXFT_Get_Face_Style_Name(m_Face));
+ facename = GetFamilyName();
+ if (facename.IsEmpty()) {
+ facename = "Untitled";
+ }
+ if (!style.IsEmpty() && style != "Regular") {
+ facename += " " + style;
+ }
+ return facename;
+ }
+ return m_pSubstFont->m_Family;
+}
+FX_BOOL CFX_Font::GetBBox(FX_RECT& bbox) {
+ if (!m_Face) {
+ return FALSE;
+ }
+ int em = FXFT_Get_Face_UnitsPerEM(m_Face);
+ if (em == 0) {
+ bbox.left = FXFT_Get_Face_xMin(m_Face);
+ bbox.bottom = FXFT_Get_Face_yMax(m_Face);
+ bbox.top = FXFT_Get_Face_yMin(m_Face);
+ bbox.right = FXFT_Get_Face_xMax(m_Face);
+ } else {
+ bbox.left = FXFT_Get_Face_xMin(m_Face) * 1000 / em;
+ bbox.top = FXFT_Get_Face_yMin(m_Face) * 1000 / em;
+ bbox.right = FXFT_Get_Face_xMax(m_Face) * 1000 / em;
+ bbox.bottom = FXFT_Get_Face_yMax(m_Face) * 1000 / em;
+ }
+ return TRUE;
+}
+
+int CFX_Font::GetHeight() const {
+ if (!m_Face)
+ return 0;
+
+ return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
+ FXFT_Get_Face_Height(m_Face));
+}
+
+int CFX_Font::GetMaxAdvanceWidth() const {
+ if (!m_Face)
+ return 0;
+
+ return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
+ FXFT_Get_Face_MaxAdvanceWidth(m_Face));
+}
+
+int CFX_Font::GetULPos() const {
+ if (!m_Face)
+ return 0;
+
+ return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
+ FXFT_Get_Face_UnderLinePosition(m_Face));
+}
+
+int CFX_Font::GetULthickness() const {
+ if (!m_Face)
+ return 0;
+
+ return EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face),
+ FXFT_Get_Face_UnderLineThickness(m_Face));
+}
+
+CFX_UnicodeEncoding::CFX_UnicodeEncoding(CFX_Font* pFont) : m_pFont(pFont) {}
+
+CFX_UnicodeEncoding::~CFX_UnicodeEncoding() {}
+
+FX_DWORD CFX_UnicodeEncoding::GlyphFromCharCode(FX_DWORD charcode) {
+ FXFT_Face face = m_pFont->GetFace();
+ if (!face)
+ return charcode;
+
+ if (FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE) == 0)
+ return FXFT_Get_Char_Index(face, charcode);
+
+ if (m_pFont->GetSubstFont() && m_pFont->GetSubstFont()->m_Charset == 2) {
+ FX_DWORD index = 0;
+ if (FXFT_Select_Charmap(face, FXFT_ENCODING_MS_SYMBOL) == 0)
+ index = FXFT_Get_Char_Index(face, charcode);
+ if (!index && !FXFT_Select_Charmap(face, FXFT_ENCODING_APPLE_ROMAN))
+ return FXFT_Get_Char_Index(face, charcode);
+ }
+ return charcode;
+}
+
+#ifdef PDF_ENABLE_XFA
+CFX_UnicodeEncodingEx::CFX_UnicodeEncodingEx(CFX_Font* pFont,
+ FX_DWORD EncodingID)
+ : CFX_UnicodeEncoding(pFont), m_nEncodingID(EncodingID) {}
+
+CFX_UnicodeEncodingEx::~CFX_UnicodeEncodingEx() {}
+
+FX_DWORD CFX_UnicodeEncodingEx::GlyphFromCharCode(FX_DWORD charcode) {
+ FXFT_Face face = m_pFont->GetFace();
+ FT_UInt nIndex = FXFT_Get_Char_Index(face, charcode);
+ if (nIndex > 0) {
+ return nIndex;
+ }
+ int nmaps = FXFT_Get_Face_CharmapCount(face);
+ int m = 0;
+ while (m < nmaps) {
+ int nEncodingID =
+ FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[m++]);
+ if (m_nEncodingID == nEncodingID) {
+ continue;
+ }
+ int error = FXFT_Select_Charmap(face, nEncodingID);
+ if (error) {
+ continue;
+ }
+ nIndex = FXFT_Get_Char_Index(face, charcode);
+ if (nIndex > 0) {
+ m_nEncodingID = nEncodingID;
+ return nIndex;
+ }
+ }
+ FXFT_Select_Charmap(face, m_nEncodingID);
+ return 0;
+}
+
+FX_DWORD CFX_UnicodeEncodingEx::CharCodeFromUnicode(FX_WCHAR Unicode) const {
+ if (m_nEncodingID == FXFM_ENCODING_UNICODE ||
+ m_nEncodingID == FXFM_ENCODING_MS_SYMBOL) {
+ return Unicode;
+ }
+ FXFT_Face face = m_pFont->GetFace();
+ int nmaps = FXFT_Get_Face_CharmapCount(face);
+ for (int i = 0; i < nmaps; i++) {
+ int nEncodingID =
+ FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]);
+ if (nEncodingID == FXFM_ENCODING_UNICODE ||
+ nEncodingID == FXFM_ENCODING_MS_SYMBOL) {
+ return Unicode;
+ }
+ }
+ return -1;
+}
+
+CFX_UnicodeEncodingEx* FX_CreateFontEncodingEx(CFX_Font* pFont,
+ FX_DWORD nEncodingID) {
+ if (!pFont || !pFont->GetFace())
+ return nullptr;
+
+ if (nEncodingID != FXFM_ENCODING_NONE)
+ return _FXFM_CreateFontEncoding(pFont, nEncodingID);
+
+ for (size_t i = 0; i < FX_ArraySize(g_EncodingID); ++i) {
+ CFX_UnicodeEncodingEx* pFontEncoding =
+ _FXFM_CreateFontEncoding(pFont, g_EncodingID[i]);
+ if (pFontEncoding) {
+ return pFontEncoding;
+ }
+ }
+ return NULL;
+}
+#endif // PDF_ENABLE_XFA
diff --git a/core/fxge/ge/fx_ge_fontmap.cpp b/core/fxge/ge/fx_ge_fontmap.cpp
new file mode 100644
index 0000000000..1dc61a210f
--- /dev/null
+++ b/core/fxge/ge/fx_ge_fontmap.cpp
@@ -0,0 +1,1623 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include <algorithm>
+#include <limits>
+#include <vector>
+
+#include "core/fxge/fontdata/chromefontdata/chromefontdata.h"
+#include "core/fxge/ge/fx_text_int.h"
+#include "core/include/fxge/fx_freetype.h"
+#include "core/include/fxge/fx_ge.h"
+#include "third_party/base/stl_util.h"
+
+#define GET_TT_SHORT(w) (FX_WORD)(((w)[0] << 8) | (w)[1])
+#define GET_TT_LONG(w) \
+ (FX_DWORD)(((w)[0] << 24) | ((w)[1] << 16) | ((w)[2] << 8) | (w)[3])
+
+#define FX_FONT_STYLE_None 0x00
+#define FX_FONT_STYLE_Bold 0x01
+#define FX_FONT_STYLE_Italic 0x02
+#define FX_FONT_STYLE_BoldBold 0x04
+
+namespace {
+
+struct BuiltinFont {
+ const uint8_t* m_pFontData;
+ FX_DWORD m_dwSize;
+};
+
+const BuiltinFont g_FoxitFonts[14] = {
+ {g_FoxitFixedFontData, 17597},
+ {g_FoxitFixedBoldFontData, 18055},
+ {g_FoxitFixedBoldItalicFontData, 19151},
+ {g_FoxitFixedItalicFontData, 18746},
+ {g_FoxitSansFontData, 15025},
+ {g_FoxitSansBoldFontData, 16344},
+ {g_FoxitSansBoldItalicFontData, 16418},
+ {g_FoxitSansItalicFontData, 16339},
+ {g_FoxitSerifFontData, 19469},
+ {g_FoxitSerifBoldFontData, 19395},
+ {g_FoxitSerifBoldItalicFontData, 20733},
+ {g_FoxitSerifItalicFontData, 21227},
+ {g_FoxitSymbolFontData, 16729},
+ {g_FoxitDingbatsFontData, 29513},
+};
+
+const BuiltinFont g_MMFonts[2] = {
+ {g_FoxitSerifMMFontData, 113417},
+ {g_FoxitSansMMFontData, 66919},
+};
+
+const FX_CHAR* const g_Base14FontNames[14] = {
+ "Courier",
+ "Courier-Bold",
+ "Courier-BoldOblique",
+ "Courier-Oblique",
+ "Helvetica",
+ "Helvetica-Bold",
+ "Helvetica-BoldOblique",
+ "Helvetica-Oblique",
+ "Times-Roman",
+ "Times-Bold",
+ "Times-BoldItalic",
+ "Times-Italic",
+ "Symbol",
+ "ZapfDingbats",
+};
+
+const struct AltFontName {
+ const FX_CHAR* m_pName;
+ int m_Index;
+} g_AltFontNames[] = {
+ {"Arial", 4},
+ {"Arial,Bold", 5},
+ {"Arial,BoldItalic", 6},
+ {"Arial,Italic", 7},
+ {"Arial-Bold", 5},
+ {"Arial-BoldItalic", 6},
+ {"Arial-BoldItalicMT", 6},
+ {"Arial-BoldMT", 5},
+ {"Arial-Italic", 7},
+ {"Arial-ItalicMT", 7},
+ {"ArialBold", 5},
+ {"ArialBoldItalic", 6},
+ {"ArialItalic", 7},
+ {"ArialMT", 4},
+ {"ArialMT,Bold", 5},
+ {"ArialMT,BoldItalic", 6},
+ {"ArialMT,Italic", 7},
+ {"ArialRoundedMTBold", 5},
+ {"Courier", 0},
+ {"Courier,Bold", 1},
+ {"Courier,BoldItalic", 2},
+ {"Courier,Italic", 3},
+ {"Courier-Bold", 1},
+ {"Courier-BoldOblique", 2},
+ {"Courier-Oblique", 3},
+ {"CourierBold", 1},
+ {"CourierBoldItalic", 2},
+ {"CourierItalic", 3},
+ {"CourierNew", 0},
+ {"CourierNew,Bold", 1},
+ {"CourierNew,BoldItalic", 2},
+ {"CourierNew,Italic", 3},
+ {"CourierNew-Bold", 1},
+ {"CourierNew-BoldItalic", 2},
+ {"CourierNew-Italic", 3},
+ {"CourierNewBold", 1},
+ {"CourierNewBoldItalic", 2},
+ {"CourierNewItalic", 3},
+ {"CourierNewPS-BoldItalicMT", 2},
+ {"CourierNewPS-BoldMT", 1},
+ {"CourierNewPS-ItalicMT", 3},
+ {"CourierNewPSMT", 0},
+ {"CourierStd", 0},
+ {"CourierStd-Bold", 1},
+ {"CourierStd-BoldOblique", 2},
+ {"CourierStd-Oblique", 3},
+ {"Helvetica", 4},
+ {"Helvetica,Bold", 5},
+ {"Helvetica,BoldItalic", 6},
+ {"Helvetica,Italic", 7},
+ {"Helvetica-Bold", 5},
+ {"Helvetica-BoldItalic", 6},
+ {"Helvetica-BoldOblique", 6},
+ {"Helvetica-Italic", 7},
+ {"Helvetica-Oblique", 7},
+ {"HelveticaBold", 5},
+ {"HelveticaBoldItalic", 6},
+ {"HelveticaItalic", 7},
+ {"Symbol", 12},
+ {"SymbolMT", 12},
+ {"Times-Bold", 9},
+ {"Times-BoldItalic", 10},
+ {"Times-Italic", 11},
+ {"Times-Roman", 8},
+ {"TimesBold", 9},
+ {"TimesBoldItalic", 10},
+ {"TimesItalic", 11},
+ {"TimesNewRoman", 8},
+ {"TimesNewRoman,Bold", 9},
+ {"TimesNewRoman,BoldItalic", 10},
+ {"TimesNewRoman,Italic", 11},
+ {"TimesNewRoman-Bold", 9},
+ {"TimesNewRoman-BoldItalic", 10},
+ {"TimesNewRoman-Italic", 11},
+ {"TimesNewRomanBold", 9},
+ {"TimesNewRomanBoldItalic", 10},
+ {"TimesNewRomanItalic", 11},
+ {"TimesNewRomanPS", 8},
+ {"TimesNewRomanPS-Bold", 9},
+ {"TimesNewRomanPS-BoldItalic", 10},
+ {"TimesNewRomanPS-BoldItalicMT", 10},
+ {"TimesNewRomanPS-BoldMT", 9},
+ {"TimesNewRomanPS-Italic", 11},
+ {"TimesNewRomanPS-ItalicMT", 11},
+ {"TimesNewRomanPSMT", 8},
+ {"TimesNewRomanPSMT,Bold", 9},
+ {"TimesNewRomanPSMT,BoldItalic", 10},
+ {"TimesNewRomanPSMT,Italic", 11},
+ {"ZapfDingbats", 13},
+};
+
+const struct {
+ const FX_CHAR* m_pName;
+ const FX_CHAR* m_pSubstName;
+} Base14Substs[] = {
+ {"Courier", "Courier New"},
+ {"Courier-Bold", "Courier New Bold"},
+ {"Courier-BoldOblique", "Courier New Bold Italic"},
+ {"Courier-Oblique", "Courier New Italic"},
+ {"Helvetica", "Arial"},
+ {"Helvetica-Bold", "Arial Bold"},
+ {"Helvetica-BoldOblique", "Arial Bold Italic"},
+ {"Helvetica-Oblique", "Arial Italic"},
+ {"Times-Roman", "Times New Roman"},
+ {"Times-Bold", "Times New Roman Bold"},
+ {"Times-BoldItalic", "Times New Roman Bold Italic"},
+ {"Times-Italic", "Times New Roman Italic"},
+};
+
+const struct AltFontFamily {
+ const FX_CHAR* m_pFontName;
+ const FX_CHAR* m_pFontFamily;
+} g_AltFontFamilies[] = {
+ {"AGaramondPro", "Adobe Garamond Pro"},
+ {"BankGothicBT-Medium", "BankGothic Md BT"},
+ {"ForteMT", "Forte"},
+};
+
+const struct FX_FontStyle {
+ const FX_CHAR* style;
+ int32_t len;
+} g_FontStyles[] = {
+ {"Bold", 4}, {"Italic", 6}, {"BoldItalic", 10}, {"Reg", 3}, {"Regular", 7},
+};
+
+const struct CODEPAGE_MAP {
+ FX_WORD codepage;
+ uint8_t charset;
+} g_Codepage2CharsetTable[] = {
+ {0, 1}, {42, 2}, {437, 254}, {850, 255}, {874, 222},
+ {932, 128}, {936, 134}, {949, 129}, {950, 136}, {1250, 238},
+ {1251, 204}, {1252, 0}, {1253, 161}, {1254, 162}, {1255, 177},
+ {1256, 178}, {1257, 186}, {1258, 163}, {1361, 130}, {10000, 77},
+ {10001, 78}, {10002, 81}, {10003, 79}, {10004, 84}, {10005, 83},
+ {10006, 85}, {10007, 89}, {10008, 80}, {10021, 87}, {10029, 88},
+ {10081, 86},
+};
+
+const FX_DWORD kTableNAME = FXDWORD_GET_MSBFIRST("name");
+const FX_DWORD kTableTTCF = FXDWORD_GET_MSBFIRST("ttcf");
+
+int CompareFontFamilyString(const void* key, const void* element) {
+ CFX_ByteString str_key((const FX_CHAR*)key);
+ if (str_key.Find(((AltFontFamily*)element)->m_pFontName) != -1) {
+ return 0;
+ }
+ return FXSYS_stricmp((const FX_CHAR*)key,
+ ((AltFontFamily*)element)->m_pFontName);
+}
+
+int CompareString(const void* key, const void* element) {
+ return FXSYS_stricmp((const FX_CHAR*)key, ((AltFontName*)element)->m_pName);
+}
+
+CFX_ByteString KeyNameFromFace(const CFX_ByteString& face_name,
+ int weight,
+ FX_BOOL bItalic) {
+ CFX_ByteString key(face_name);
+ key += ',';
+ key += CFX_ByteString::FormatInteger(weight);
+ key += bItalic ? 'I' : 'N';
+ return key;
+}
+
+CFX_ByteString KeyNameFromSize(int ttc_size, FX_DWORD checksum) {
+ CFX_ByteString key;
+ key.Format("%d:%d", ttc_size, checksum);
+ return key;
+}
+
+CFX_ByteString TT_NormalizeName(const FX_CHAR* family) {
+ CFX_ByteString norm(family);
+ norm.Remove(' ');
+ norm.Remove('-');
+ norm.Remove(',');
+ int pos = norm.Find('+');
+ if (pos > 0) {
+ norm = norm.Left(pos);
+ }
+ norm.MakeLower();
+ return norm;
+}
+
+CFX_ByteString FPDF_ReadStringFromFile(FXSYS_FILE* pFile, FX_DWORD size) {
+ CFX_ByteString buffer;
+ if (!FXSYS_fread(buffer.GetBuffer(size), size, 1, pFile)) {
+ return CFX_ByteString();
+ }
+ buffer.ReleaseBuffer(size);
+ return buffer;
+}
+
+CFX_ByteString FPDF_LoadTableFromTT(FXSYS_FILE* pFile,
+ const uint8_t* pTables,
+ FX_DWORD nTables,
+ FX_DWORD tag) {
+ for (FX_DWORD i = 0; i < nTables; i++) {
+ const uint8_t* p = pTables + i * 16;
+ if (GET_TT_LONG(p) == tag) {
+ FX_DWORD offset = GET_TT_LONG(p + 8);
+ FX_DWORD size = GET_TT_LONG(p + 12);
+ FXSYS_fseek(pFile, offset, FXSYS_SEEK_SET);
+ return FPDF_ReadStringFromFile(pFile, size);
+ }
+ }
+ return CFX_ByteString();
+}
+
+uint8_t GetCharsetFromCodePage(FX_WORD codepage) {
+ const CODEPAGE_MAP* pEnd =
+ g_Codepage2CharsetTable + FX_ArraySize(g_Codepage2CharsetTable);
+ const CODEPAGE_MAP* pCharmap =
+ std::lower_bound(g_Codepage2CharsetTable, pEnd, codepage,
+ [](const CODEPAGE_MAP& charset, FX_WORD page) {
+ return charset.codepage < page;
+ });
+ if (pCharmap < pEnd && codepage == pCharmap->codepage)
+ return pCharmap->charset;
+ return 1;
+}
+
+CFX_ByteString GetFontFamily(CFX_ByteString fontName, int nStyle) {
+ if (fontName.Find("Script") >= 0) {
+ if ((nStyle & FX_FONT_STYLE_Bold) == FX_FONT_STYLE_Bold) {
+ fontName = "ScriptMTBold";
+ } else if (fontName.Find("Palace") >= 0) {
+ fontName = "PalaceScriptMT";
+ } else if (fontName.Find("French") >= 0) {
+ fontName = "FrenchScriptMT";
+ } else if (fontName.Find("FreeStyle") >= 0) {
+ fontName = "FreeStyleScript";
+ }
+ return fontName;
+ }
+ AltFontFamily* found = (AltFontFamily*)FXSYS_bsearch(
+ fontName.c_str(), g_AltFontFamilies,
+ sizeof g_AltFontFamilies / sizeof(AltFontFamily), sizeof(AltFontFamily),
+ CompareFontFamilyString);
+ return found ? CFX_ByteString(found->m_pFontFamily) : fontName;
+}
+
+CFX_ByteString ParseStyle(const FX_CHAR* pStyle, int iLen, int iIndex) {
+ CFX_ByteTextBuf buf;
+ if (!iLen || iLen <= iIndex) {
+ return buf.GetByteString();
+ }
+ while (iIndex < iLen) {
+ if (pStyle[iIndex] == ',') {
+ break;
+ }
+ buf.AppendChar(pStyle[iIndex]);
+ ++iIndex;
+ }
+ return buf.GetByteString();
+}
+
+int32_t GetStyleType(const CFX_ByteString& bsStyle, FX_BOOL bRevert) {
+ int32_t iLen = bsStyle.GetLength();
+ if (!iLen) {
+ return -1;
+ }
+ int iSize = sizeof(g_FontStyles) / sizeof(FX_FontStyle);
+ const FX_FontStyle* pStyle = NULL;
+ for (int i = iSize - 1; i >= 0; --i) {
+ pStyle = g_FontStyles + i;
+ if (!pStyle || pStyle->len > iLen) {
+ continue;
+ }
+ if (!bRevert) {
+ if (bsStyle.Left(pStyle->len).Compare(pStyle->style) == 0) {
+ return i;
+ }
+ } else {
+ if (bsStyle.Right(pStyle->len).Compare(pStyle->style) == 0) {
+ return i;
+ }
+ }
+ }
+ return -1;
+}
+
+FX_BOOL CheckSupportThirdPartFont(CFX_ByteString name, int& PitchFamily) {
+ if (name == "MyriadPro") {
+ PitchFamily &= ~FXFONT_FF_ROMAN;
+ return TRUE;
+ }
+ return FALSE;
+}
+
+FX_DWORD GetCharset(int charset) {
+ switch (charset) {
+ case FXFONT_SHIFTJIS_CHARSET:
+ return CHARSET_FLAG_SHIFTJIS;
+ case FXFONT_GB2312_CHARSET:
+ return CHARSET_FLAG_GB;
+ case FXFONT_CHINESEBIG5_CHARSET:
+ return CHARSET_FLAG_BIG5;
+ case FXFONT_HANGEUL_CHARSET:
+ return CHARSET_FLAG_KOREAN;
+ case FXFONT_SYMBOL_CHARSET:
+ return CHARSET_FLAG_SYMBOL;
+ case FXFONT_ANSI_CHARSET:
+ return CHARSET_FLAG_ANSI;
+ default:
+ break;
+ }
+ return 0;
+}
+
+int32_t GetSimilarValue(int weight,
+ FX_BOOL bItalic,
+ int pitch_family,
+ FX_DWORD style) {
+ int32_t iSimilarValue = 0;
+ if (!!(style & FXFONT_BOLD) == (weight > 400)) {
+ iSimilarValue += 16;
+ }
+ if (!!(style & FXFONT_ITALIC) == bItalic) {
+ iSimilarValue += 16;
+ }
+ if (!!(style & FXFONT_SERIF) == !!(pitch_family & FXFONT_FF_ROMAN)) {
+ iSimilarValue += 16;
+ }
+ if (!!(style & FXFONT_SCRIPT) == !!(pitch_family & FXFONT_FF_SCRIPT)) {
+ iSimilarValue += 8;
+ }
+ if (!!(style & FXFONT_FIXED_PITCH) ==
+ !!(pitch_family & FXFONT_FF_FIXEDPITCH)) {
+ iSimilarValue += 8;
+ }
+ return iSimilarValue;
+}
+
+} // namespace
+
+CFX_SubstFont::CFX_SubstFont() {
+ m_ExtHandle = NULL;
+ m_Charset = 0;
+ m_SubstFlags = 0;
+ m_Weight = 0;
+ m_ItalicAngle = 0;
+ m_bSubstOfCJK = FALSE;
+ m_WeightCJK = 0;
+ m_bItlicCJK = FALSE;
+}
+CTTFontDesc::~CTTFontDesc() {
+ if (m_Type == 1) {
+ if (m_SingleFace.m_pFace) {
+ FXFT_Done_Face(m_SingleFace.m_pFace);
+ }
+ } else if (m_Type == 2) {
+ for (int i = 0; i < 16; i++)
+ if (m_TTCFace.m_pFaces[i]) {
+ FXFT_Done_Face(m_TTCFace.m_pFaces[i]);
+ }
+ }
+ FX_Free(m_pFontData);
+}
+int CTTFontDesc::ReleaseFace(FXFT_Face face) {
+ if (m_Type == 1) {
+ if (m_SingleFace.m_pFace != face) {
+ return -1;
+ }
+ } else if (m_Type == 2) {
+ int i;
+ for (i = 0; i < 16; i++)
+ if (m_TTCFace.m_pFaces[i] == face) {
+ break;
+ }
+ if (i == 16) {
+ return -1;
+ }
+ }
+ m_RefCount--;
+ if (m_RefCount) {
+ return m_RefCount;
+ }
+ delete this;
+ return 0;
+}
+
+CFX_FontMgr::CFX_FontMgr() : m_FTLibrary(nullptr) {
+ m_pBuiltinMapper.reset(new CFX_FontMapper(this));
+}
+
+CFX_FontMgr::~CFX_FontMgr() {
+ for (const auto& pair : m_FaceMap)
+ delete pair.second;
+
+ // |m_pBuiltinMapper| references |m_FTLibrary|, so it has to be destroyed
+ // first.
+ m_pBuiltinMapper.reset();
+ FXFT_Done_FreeType(m_FTLibrary);
+}
+
+void CFX_FontMgr::InitFTLibrary() {
+ if (m_FTLibrary)
+ return;
+ FXFT_Init_FreeType(&m_FTLibrary);
+}
+
+void CFX_FontMgr::SetSystemFontInfo(IFX_SystemFontInfo* pFontInfo) {
+ m_pBuiltinMapper->SetSystemFontInfo(pFontInfo);
+}
+
+FXFT_Face CFX_FontMgr::FindSubstFont(const CFX_ByteString& face_name,
+ FX_BOOL bTrueType,
+ FX_DWORD flags,
+ int weight,
+ int italic_angle,
+ int CharsetCP,
+ CFX_SubstFont* pSubstFont) {
+ InitFTLibrary();
+ return m_pBuiltinMapper->FindSubstFont(face_name, bTrueType, flags, weight,
+ italic_angle, CharsetCP, pSubstFont);
+}
+
+FXFT_Face CFX_FontMgr::GetCachedFace(const CFX_ByteString& face_name,
+ int weight,
+ FX_BOOL bItalic,
+ uint8_t*& pFontData) {
+ auto it = m_FaceMap.find(KeyNameFromFace(face_name, weight, bItalic));
+ if (it == m_FaceMap.end())
+ return nullptr;
+
+ CTTFontDesc* pFontDesc = it->second;
+ pFontData = pFontDesc->m_pFontData;
+ pFontDesc->m_RefCount++;
+ return pFontDesc->m_SingleFace.m_pFace;
+}
+FXFT_Face CFX_FontMgr::AddCachedFace(const CFX_ByteString& face_name,
+ int weight,
+ FX_BOOL bItalic,
+ uint8_t* pData,
+ FX_DWORD size,
+ int face_index) {
+ CTTFontDesc* pFontDesc = new CTTFontDesc;
+ pFontDesc->m_Type = 1;
+ pFontDesc->m_SingleFace.m_pFace = NULL;
+ pFontDesc->m_SingleFace.m_bBold = weight;
+ pFontDesc->m_SingleFace.m_bItalic = bItalic;
+ pFontDesc->m_pFontData = pData;
+ pFontDesc->m_RefCount = 1;
+
+ InitFTLibrary();
+ FXFT_Library library = m_FTLibrary;
+ int ret = FXFT_New_Memory_Face(library, pData, size, face_index,
+ &pFontDesc->m_SingleFace.m_pFace);
+ if (ret) {
+ delete pFontDesc;
+ return NULL;
+ }
+ ret = FXFT_Set_Pixel_Sizes(pFontDesc->m_SingleFace.m_pFace, 64, 64);
+ if (ret) {
+ delete pFontDesc;
+ return NULL;
+ }
+ m_FaceMap[KeyNameFromFace(face_name, weight, bItalic)] = pFontDesc;
+ return pFontDesc->m_SingleFace.m_pFace;
+}
+
+int GetTTCIndex(const uint8_t* pFontData,
+ FX_DWORD ttc_size,
+ FX_DWORD font_offset) {
+ int face_index = 0;
+ const uint8_t* p = pFontData + 8;
+ FX_DWORD nfont = GET_TT_LONG(p);
+ FX_DWORD index;
+ for (index = 0; index < nfont; index++) {
+ p = pFontData + 12 + index * 4;
+ if (GET_TT_LONG(p) == font_offset) {
+ break;
+ }
+ }
+ if (index >= nfont) {
+ face_index = 0;
+ } else {
+ face_index = index;
+ }
+ return face_index;
+}
+FXFT_Face CFX_FontMgr::GetCachedTTCFace(int ttc_size,
+ FX_DWORD checksum,
+ int font_offset,
+ uint8_t*& pFontData) {
+ auto it = m_FaceMap.find(KeyNameFromSize(ttc_size, checksum));
+ if (it == m_FaceMap.end())
+ return nullptr;
+
+ CTTFontDesc* pFontDesc = it->second;
+ pFontData = pFontDesc->m_pFontData;
+ pFontDesc->m_RefCount++;
+ int face_index = GetTTCIndex(pFontDesc->m_pFontData, ttc_size, font_offset);
+ if (!pFontDesc->m_TTCFace.m_pFaces[face_index]) {
+ pFontDesc->m_TTCFace.m_pFaces[face_index] =
+ GetFixedFace(pFontDesc->m_pFontData, ttc_size, face_index);
+ }
+ return pFontDesc->m_TTCFace.m_pFaces[face_index];
+}
+FXFT_Face CFX_FontMgr::AddCachedTTCFace(int ttc_size,
+ FX_DWORD checksum,
+ uint8_t* pData,
+ FX_DWORD size,
+ int font_offset) {
+ CTTFontDesc* pFontDesc = new CTTFontDesc;
+ pFontDesc->m_Type = 2;
+ pFontDesc->m_pFontData = pData;
+ for (int i = 0; i < 16; i++) {
+ pFontDesc->m_TTCFace.m_pFaces[i] = NULL;
+ }
+ pFontDesc->m_RefCount++;
+ m_FaceMap[KeyNameFromSize(ttc_size, checksum)] = pFontDesc;
+ int face_index = GetTTCIndex(pFontDesc->m_pFontData, ttc_size, font_offset);
+ pFontDesc->m_TTCFace.m_pFaces[face_index] =
+ GetFixedFace(pFontDesc->m_pFontData, ttc_size, face_index);
+ return pFontDesc->m_TTCFace.m_pFaces[face_index];
+}
+
+FXFT_Face CFX_FontMgr::GetFixedFace(const uint8_t* pData,
+ FX_DWORD size,
+ int face_index) {
+ InitFTLibrary();
+ FXFT_Library library = m_FTLibrary;
+ FXFT_Face face = nullptr;
+ if (FXFT_New_Memory_Face(library, pData, size, face_index, &face))
+ return nullptr;
+ return FXFT_Set_Pixel_Sizes(face, 64, 64) ? nullptr : face;
+}
+
+FXFT_Face CFX_FontMgr::GetFileFace(const FX_CHAR* filename, int face_index) {
+ InitFTLibrary();
+ FXFT_Library library = m_FTLibrary;
+ FXFT_Face face = nullptr;
+ if (FXFT_New_Face(library, filename, face_index, &face))
+ return nullptr;
+ return FXFT_Set_Pixel_Sizes(face, 64, 64) ? nullptr : face;
+}
+
+void CFX_FontMgr::ReleaseFace(FXFT_Face face) {
+ if (!face) {
+ return;
+ }
+ FX_BOOL bNeedFaceDone = TRUE;
+ auto it = m_FaceMap.begin();
+ while (it != m_FaceMap.end()) {
+ auto temp = it++;
+ int nRet = temp->second->ReleaseFace(face);
+ if (nRet == -1)
+ continue;
+ bNeedFaceDone = FALSE;
+ if (nRet == 0)
+ m_FaceMap.erase(temp);
+ break;
+ }
+ if (bNeedFaceDone && !m_pBuiltinMapper->IsBuiltinFace(face))
+ FXFT_Done_Face(face);
+}
+
+bool CFX_FontMgr::GetBuiltinFont(size_t index,
+ const uint8_t** pFontData,
+ FX_DWORD* size) {
+ if (index < FX_ArraySize(g_FoxitFonts)) {
+ *pFontData = g_FoxitFonts[index].m_pFontData;
+ *size = g_FoxitFonts[index].m_dwSize;
+ return true;
+ }
+ index -= FX_ArraySize(g_FoxitFonts);
+ if (index < FX_ArraySize(g_MMFonts)) {
+ *pFontData = g_MMFonts[index].m_pFontData;
+ *size = g_MMFonts[index].m_dwSize;
+ return true;
+ }
+ return false;
+}
+
+CFX_FontMapper::CFX_FontMapper(CFX_FontMgr* mgr)
+ : m_bListLoaded(FALSE),
+ m_pFontInfo(nullptr),
+ m_pFontEnumerator(nullptr),
+ m_pFontMgr(mgr) {
+ m_MMFaces[0] = nullptr;
+ m_MMFaces[1] = nullptr;
+ FXSYS_memset(m_FoxitFaces, 0, sizeof(m_FoxitFaces));
+}
+CFX_FontMapper::~CFX_FontMapper() {
+ for (size_t i = 0; i < FX_ArraySize(m_FoxitFaces); ++i) {
+ if (m_FoxitFaces[i])
+ FXFT_Done_Face(m_FoxitFaces[i]);
+ }
+ if (m_MMFaces[0]) {
+ FXFT_Done_Face(m_MMFaces[0]);
+ }
+ if (m_MMFaces[1]) {
+ FXFT_Done_Face(m_MMFaces[1]);
+ }
+ if (m_pFontInfo) {
+ m_pFontInfo->Release();
+ }
+}
+void CFX_FontMapper::SetSystemFontInfo(IFX_SystemFontInfo* pFontInfo) {
+ if (!pFontInfo) {
+ return;
+ }
+ if (m_pFontInfo) {
+ m_pFontInfo->Release();
+ }
+ m_pFontInfo = pFontInfo;
+}
+
+CFX_ByteString GetNameFromTT(const uint8_t* name_table, FX_DWORD name_id) {
+ const uint8_t* ptr = name_table + 2;
+ int name_count = GET_TT_SHORT(ptr);
+ int string_offset = GET_TT_SHORT(ptr + 2);
+ const uint8_t* string_ptr = name_table + string_offset;
+ ptr += 4;
+ for (int i = 0; i < name_count; i++) {
+ if (GET_TT_SHORT(ptr + 6) == name_id && GET_TT_SHORT(ptr) == 1 &&
+ GET_TT_SHORT(ptr + 2) == 0) {
+ return CFX_ByteStringC(string_ptr + GET_TT_SHORT(ptr + 10),
+ GET_TT_SHORT(ptr + 8));
+ }
+ ptr += 12;
+ }
+ return CFX_ByteString();
+}
+
+CFX_ByteString CFX_FontMapper::GetPSNameFromTT(void* hFont) {
+ if (!m_pFontInfo)
+ return CFX_ByteString();
+
+ FX_DWORD size = m_pFontInfo->GetFontData(hFont, kTableNAME, nullptr, 0);
+ if (!size)
+ return CFX_ByteString();
+
+ std::vector<uint8_t> buffer(size);
+ uint8_t* buffer_ptr = buffer.data();
+ FX_DWORD bytes_read =
+ m_pFontInfo->GetFontData(hFont, kTableNAME, buffer_ptr, size);
+ return (bytes_read == size) ? GetNameFromTT(buffer_ptr, 6) : CFX_ByteString();
+}
+
+void CFX_FontMapper::AddInstalledFont(const CFX_ByteString& name, int charset) {
+ if (!m_pFontInfo) {
+ return;
+ }
+ if (m_CharsetArray.Find((FX_DWORD)charset) == -1) {
+ m_CharsetArray.Add((FX_DWORD)charset);
+ m_FaceArray.push_back(name);
+ }
+ if (name == m_LastFamily) {
+ return;
+ }
+ const uint8_t* ptr = name;
+ FX_BOOL bLocalized = FALSE;
+ for (int i = 0; i < name.GetLength(); i++)
+ if (ptr[i] > 0x80) {
+ bLocalized = TRUE;
+ break;
+ }
+ if (bLocalized) {
+ void* hFont = m_pFontInfo->GetFont(name);
+ if (!hFont) {
+ int iExact;
+ hFont =
+ m_pFontInfo->MapFont(0, 0, FXFONT_DEFAULT_CHARSET, 0, name, iExact);
+ if (!hFont) {
+ return;
+ }
+ }
+ CFX_ByteString new_name = GetPSNameFromTT(hFont);
+ if (!new_name.IsEmpty()) {
+ new_name.Insert(0, ' ');
+ m_InstalledTTFonts.push_back(new_name);
+ }
+ m_pFontInfo->DeleteFont(hFont);
+ }
+ m_InstalledTTFonts.push_back(name);
+ m_LastFamily = name;
+}
+void CFX_FontMapper::LoadInstalledFonts() {
+ if (!m_pFontInfo) {
+ return;
+ }
+ if (m_bListLoaded) {
+ return;
+ }
+ if (m_bListLoaded) {
+ return;
+ }
+ m_pFontInfo->EnumFontList(this);
+ m_bListLoaded = TRUE;
+}
+CFX_ByteString CFX_FontMapper::MatchInstalledFonts(
+ const CFX_ByteString& norm_name) {
+ LoadInstalledFonts();
+ int i;
+ for (i = pdfium::CollectionSize<int>(m_InstalledTTFonts) - 1; i >= 0; i--) {
+ CFX_ByteString norm1 = TT_NormalizeName(m_InstalledTTFonts[i]);
+ if (norm1 == norm_name) {
+ break;
+ }
+ }
+ if (i < 0) {
+ return CFX_ByteString();
+ }
+ CFX_ByteString match = m_InstalledTTFonts[i];
+ if (match[0] == ' ') {
+ match = m_InstalledTTFonts[i + 1];
+ }
+ return match;
+}
+
+FXFT_Face CFX_FontMapper::UseInternalSubst(CFX_SubstFont* pSubstFont,
+ int iBaseFont,
+ int italic_angle,
+ int weight,
+ int picthfamily) {
+ if (iBaseFont < 12) {
+ if (m_FoxitFaces[iBaseFont]) {
+ return m_FoxitFaces[iBaseFont];
+ }
+ const uint8_t* pFontData = NULL;
+ FX_DWORD size = 0;
+ if (m_pFontMgr->GetBuiltinFont(iBaseFont, &pFontData, &size)) {
+ m_FoxitFaces[iBaseFont] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
+ return m_FoxitFaces[iBaseFont];
+ }
+ }
+ pSubstFont->m_SubstFlags |= FXFONT_SUBST_MM;
+ pSubstFont->m_ItalicAngle = italic_angle;
+ if (weight) {
+ pSubstFont->m_Weight = weight;
+ }
+ if (picthfamily & FXFONT_FF_ROMAN) {
+ pSubstFont->m_Weight = pSubstFont->m_Weight * 4 / 5;
+ pSubstFont->m_Family = "Chrome Serif";
+ if (m_MMFaces[1]) {
+ return m_MMFaces[1];
+ }
+ const uint8_t* pFontData = NULL;
+ FX_DWORD size = 0;
+ m_pFontMgr->GetBuiltinFont(14, &pFontData, &size);
+ m_MMFaces[1] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
+ return m_MMFaces[1];
+ }
+ pSubstFont->m_Family = "Chrome Sans";
+ if (m_MMFaces[0]) {
+ return m_MMFaces[0];
+ }
+ const uint8_t* pFontData = NULL;
+ FX_DWORD size = 0;
+ m_pFontMgr->GetBuiltinFont(15, &pFontData, &size);
+ m_MMFaces[0] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
+ return m_MMFaces[0];
+}
+
+FXFT_Face CFX_FontMapper::FindSubstFont(const CFX_ByteString& name,
+ FX_BOOL bTrueType,
+ FX_DWORD flags,
+ int weight,
+ int italic_angle,
+ int WindowCP,
+ CFX_SubstFont* pSubstFont) {
+ if (!(flags & FXFONT_USEEXTERNATTR)) {
+ weight = FXFONT_FW_NORMAL;
+ italic_angle = 0;
+ }
+ CFX_ByteString SubstName = name;
+ SubstName.Remove(0x20);
+ if (bTrueType) {
+ if (name[0] == '@') {
+ SubstName = name.Mid(1);
+ }
+ }
+ PDF_GetStandardFontName(&SubstName);
+ if (SubstName == "Symbol" && !bTrueType) {
+ pSubstFont->m_Family = "Chrome Symbol";
+ pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET;
+ pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
+ if (m_FoxitFaces[12]) {
+ return m_FoxitFaces[12];
+ }
+ const uint8_t* pFontData = NULL;
+ FX_DWORD size = 0;
+ m_pFontMgr->GetBuiltinFont(12, &pFontData, &size);
+ m_FoxitFaces[12] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
+ return m_FoxitFaces[12];
+ }
+ if (SubstName == "ZapfDingbats") {
+ pSubstFont->m_Family = "Chrome Dingbats";
+ pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET;
+ pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
+ if (m_FoxitFaces[13]) {
+ return m_FoxitFaces[13];
+ }
+ const uint8_t* pFontData = NULL;
+ FX_DWORD size = 0;
+ m_pFontMgr->GetBuiltinFont(13, &pFontData, &size);
+ m_FoxitFaces[13] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
+ return m_FoxitFaces[13];
+ }
+ int iBaseFont = 0;
+ CFX_ByteString family, style;
+ FX_BOOL bHasComma = FALSE;
+ FX_BOOL bHasHypen = FALSE;
+ int find = SubstName.Find(",", 0);
+ if (find >= 0) {
+ family = SubstName.Left(find);
+ PDF_GetStandardFontName(&family);
+ style = SubstName.Mid(find + 1);
+ bHasComma = TRUE;
+ } else {
+ family = SubstName;
+ }
+ for (; iBaseFont < 12; iBaseFont++)
+ if (family == CFX_ByteStringC(g_Base14FontNames[iBaseFont])) {
+ break;
+ }
+ int PitchFamily = 0;
+ FX_BOOL bItalic = FALSE;
+ FX_DWORD nStyle = 0;
+ FX_BOOL bStyleAvail = FALSE;
+ if (iBaseFont < 12) {
+ family = g_Base14FontNames[iBaseFont];
+ if ((iBaseFont % 4) == 1 || (iBaseFont % 4) == 2) {
+ nStyle |= FX_FONT_STYLE_Bold;
+ }
+ if ((iBaseFont % 4) / 2) {
+ nStyle |= FX_FONT_STYLE_Italic;
+ }
+ if (iBaseFont < 4) {
+ PitchFamily |= FXFONT_FF_FIXEDPITCH;
+ }
+ if (iBaseFont >= 8) {
+ PitchFamily |= FXFONT_FF_ROMAN;
+ }
+ } else {
+ if (!bHasComma) {
+ find = family.ReverseFind('-');
+ if (find >= 0) {
+ style = family.Mid(find + 1);
+ family = family.Left(find);
+ bHasHypen = TRUE;
+ }
+ }
+ if (!bHasHypen) {
+ int nLen = family.GetLength();
+ int32_t nRet = GetStyleType(family, TRUE);
+ if (nRet > -1) {
+ family = family.Left(nLen - g_FontStyles[nRet].len);
+ if (nRet == 0) {
+ nStyle |= FX_FONT_STYLE_Bold;
+ }
+ if (nRet == 1) {
+ nStyle |= FX_FONT_STYLE_Italic;
+ }
+ if (nRet == 2) {
+ nStyle |= (FX_FONT_STYLE_Bold | FX_FONT_STYLE_Italic);
+ }
+ }
+ }
+ if (flags & FXFONT_SERIF) {
+ PitchFamily |= FXFONT_FF_ROMAN;
+ }
+ if (flags & FXFONT_SCRIPT) {
+ PitchFamily |= FXFONT_FF_SCRIPT;
+ }
+ if (flags & FXFONT_FIXED_PITCH) {
+ PitchFamily |= FXFONT_FF_FIXEDPITCH;
+ }
+ }
+ if (!style.IsEmpty()) {
+ int nLen = style.GetLength();
+ const FX_CHAR* pStyle = style;
+ int i = 0;
+ FX_BOOL bFirstItem = TRUE;
+ CFX_ByteString buf;
+ while (i < nLen) {
+ buf = ParseStyle(pStyle, nLen, i);
+ int32_t nRet = GetStyleType(buf, FALSE);
+ if ((i && !bStyleAvail) || (!i && nRet < 0)) {
+ family = SubstName;
+ iBaseFont = 12;
+ break;
+ } else if (nRet >= 0) {
+ bStyleAvail = TRUE;
+ }
+ if (nRet == 0) {
+ if (nStyle & FX_FONT_STYLE_Bold) {
+ nStyle |= FX_FONT_STYLE_BoldBold;
+ } else {
+ nStyle |= FX_FONT_STYLE_Bold;
+ }
+ bFirstItem = FALSE;
+ }
+ if (nRet == 1) {
+ if (bFirstItem) {
+ nStyle |= FX_FONT_STYLE_Italic;
+ } else {
+ family = SubstName;
+ iBaseFont = 12;
+ }
+ break;
+ }
+ if (nRet == 2) {
+ nStyle |= FX_FONT_STYLE_Italic;
+ if (nStyle & FX_FONT_STYLE_Bold) {
+ nStyle |= FX_FONT_STYLE_BoldBold;
+ } else {
+ nStyle |= FX_FONT_STYLE_Bold;
+ }
+ bFirstItem = FALSE;
+ }
+ i += buf.GetLength() + 1;
+ }
+ }
+ weight = weight ? weight : FXFONT_FW_NORMAL;
+ int old_weight = weight;
+ if (nStyle) {
+ weight =
+ nStyle & FX_FONT_STYLE_BoldBold
+ ? 900
+ : (nStyle & FX_FONT_STYLE_Bold ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL);
+ }
+ if (nStyle & FX_FONT_STYLE_Italic) {
+ bItalic = TRUE;
+ }
+ FX_BOOL bCJK = FALSE;
+ int iExact = 0;
+ int Charset = FXFONT_ANSI_CHARSET;
+ if (WindowCP) {
+ Charset = GetCharsetFromCodePage(WindowCP);
+ } else if (iBaseFont == 12 && (flags & FXFONT_SYMBOLIC)) {
+ Charset = FXFONT_SYMBOL_CHARSET;
+ }
+ if (Charset == FXFONT_SHIFTJIS_CHARSET || Charset == FXFONT_GB2312_CHARSET ||
+ Charset == FXFONT_HANGEUL_CHARSET ||
+ Charset == FXFONT_CHINESEBIG5_CHARSET) {
+ bCJK = TRUE;
+ }
+ if (!m_pFontInfo) {
+ pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
+ return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight,
+ PitchFamily);
+ }
+ family = GetFontFamily(family, nStyle);
+ CFX_ByteString match = MatchInstalledFonts(TT_NormalizeName(family));
+ if (match.IsEmpty() && family != SubstName &&
+ (!bHasComma && (!bHasHypen || (bHasHypen && !bStyleAvail)))) {
+ match = MatchInstalledFonts(TT_NormalizeName(SubstName));
+ }
+ if (match.IsEmpty() && iBaseFont >= 12) {
+ if (!bCJK) {
+ if (!CheckSupportThirdPartFont(family, PitchFamily)) {
+ if (italic_angle != 0) {
+ bItalic = TRUE;
+ } else {
+ bItalic = FALSE;
+ }
+ weight = old_weight;
+ }
+ } else {
+ pSubstFont->m_bSubstOfCJK = TRUE;
+ if (nStyle) {
+ pSubstFont->m_WeightCJK = weight;
+ } else {
+ pSubstFont->m_WeightCJK = FXFONT_FW_NORMAL;
+ }
+ if (nStyle & FX_FONT_STYLE_Italic) {
+ pSubstFont->m_bItlicCJK = TRUE;
+ }
+ }
+ } else {
+ italic_angle = 0;
+ weight =
+ nStyle & FX_FONT_STYLE_BoldBold
+ ? 900
+ : (nStyle & FX_FONT_STYLE_Bold ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL);
+ }
+ if (!match.IsEmpty() || iBaseFont < 12) {
+ if (!match.IsEmpty()) {
+ family = match;
+ }
+ if (iBaseFont < 12) {
+ if (nStyle && !(iBaseFont % 4)) {
+ if ((nStyle & 0x3) == 1) {
+ iBaseFont += 1;
+ }
+ if ((nStyle & 0x3) == 2) {
+ iBaseFont += 3;
+ }
+ if ((nStyle & 0x3) == 3) {
+ iBaseFont += 2;
+ }
+ }
+ family = g_Base14FontNames[iBaseFont];
+ pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
+ }
+ } else {
+ if (flags & FXFONT_ITALIC) {
+ bItalic = TRUE;
+ }
+ }
+ iExact = !match.IsEmpty();
+ void* hFont = m_pFontInfo->MapFont(weight, bItalic, Charset, PitchFamily,
+ family, iExact);
+ if (iExact) {
+ pSubstFont->m_SubstFlags |= FXFONT_SUBST_EXACT;
+ }
+ if (!hFont) {
+#ifdef PDF_ENABLE_XFA
+ if (flags & FXFONT_EXACTMATCH) {
+ return NULL;
+ }
+#endif // PDF_ENABLE_XFA
+ if (bCJK) {
+ if (italic_angle != 0) {
+ bItalic = TRUE;
+ } else {
+ bItalic = FALSE;
+ }
+ weight = old_weight;
+ }
+ if (!match.IsEmpty()) {
+ hFont = m_pFontInfo->GetFont(match);
+ if (!hFont) {
+ return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight,
+ PitchFamily);
+ }
+ } else {
+ if (Charset == FXFONT_SYMBOL_CHARSET) {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ || \
+ _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_
+ if (SubstName == "Symbol") {
+ pSubstFont->m_Family = "Chrome Symbol";
+ pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
+ pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET;
+ if (m_FoxitFaces[12]) {
+ return m_FoxitFaces[12];
+ }
+ const uint8_t* pFontData = NULL;
+ FX_DWORD size = 0;
+ m_pFontMgr->GetBuiltinFont(12, &pFontData, &size);
+ m_FoxitFaces[12] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
+ return m_FoxitFaces[12];
+ }
+#endif
+ pSubstFont->m_SubstFlags |= FXFONT_SUBST_NONSYMBOL;
+ return FindSubstFont(family, bTrueType, flags & ~FXFONT_SYMBOLIC,
+ weight, italic_angle, 0, pSubstFont);
+ }
+ if (Charset == FXFONT_ANSI_CHARSET) {
+ pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
+ return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight,
+ PitchFamily);
+ }
+ int index = m_CharsetArray.Find(Charset);
+ if (index < 0) {
+ return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight,
+ PitchFamily);
+ }
+ hFont = m_pFontInfo->GetFont(m_FaceArray[index]);
+ }
+ }
+ pSubstFont->m_ExtHandle = m_pFontInfo->RetainFont(hFont);
+ if (!hFont)
+ return nullptr;
+
+ m_pFontInfo->GetFaceName(hFont, SubstName);
+ if (Charset == FXFONT_DEFAULT_CHARSET) {
+ m_pFontInfo->GetFontCharset(hFont, Charset);
+ }
+ FX_DWORD ttc_size = m_pFontInfo->GetFontData(hFont, kTableTTCF, nullptr, 0);
+ FX_DWORD font_size = m_pFontInfo->GetFontData(hFont, 0, nullptr, 0);
+ if (font_size == 0 && ttc_size == 0) {
+ m_pFontInfo->DeleteFont(hFont);
+ return nullptr;
+ }
+ FXFT_Face face = nullptr;
+ if (ttc_size) {
+ uint8_t temp[1024];
+ m_pFontInfo->GetFontData(hFont, kTableTTCF, temp, 1024);
+ FX_DWORD checksum = 0;
+ for (int i = 0; i < 256; i++) {
+ checksum += ((FX_DWORD*)temp)[i];
+ }
+ uint8_t* pFontData;
+ face = m_pFontMgr->GetCachedTTCFace(ttc_size, checksum,
+ ttc_size - font_size, pFontData);
+ if (!face) {
+ pFontData = FX_Alloc(uint8_t, ttc_size);
+ m_pFontInfo->GetFontData(hFont, kTableTTCF, pFontData, ttc_size);
+ face = m_pFontMgr->AddCachedTTCFace(ttc_size, checksum, pFontData,
+ ttc_size, ttc_size - font_size);
+ }
+ } else {
+ uint8_t* pFontData;
+ face = m_pFontMgr->GetCachedFace(SubstName, weight, bItalic, pFontData);
+ if (!face) {
+ pFontData = FX_Alloc(uint8_t, font_size);
+ m_pFontInfo->GetFontData(hFont, 0, pFontData, font_size);
+ face = m_pFontMgr->AddCachedFace(SubstName, weight, bItalic, pFontData,
+ font_size,
+ m_pFontInfo->GetFaceIndex(hFont));
+ }
+ }
+ if (!face) {
+ m_pFontInfo->DeleteFont(hFont);
+ return NULL;
+ }
+ pSubstFont->m_Family = SubstName;
+ pSubstFont->m_Charset = Charset;
+ FX_BOOL bNeedUpdateWeight = FALSE;
+ if (FXFT_Is_Face_Bold(face)) {
+ if (weight == FXFONT_FW_BOLD) {
+ bNeedUpdateWeight = FALSE;
+ } else {
+ bNeedUpdateWeight = TRUE;
+ }
+ } else {
+ if (weight == FXFONT_FW_NORMAL) {
+ bNeedUpdateWeight = FALSE;
+ } else {
+ bNeedUpdateWeight = TRUE;
+ }
+ }
+ if (bNeedUpdateWeight) {
+ pSubstFont->m_Weight = weight;
+ }
+ if (bItalic && !FXFT_Is_Face_Italic(face)) {
+ if (italic_angle == 0) {
+ italic_angle = -12;
+ } else if (FXSYS_abs(italic_angle) < 5) {
+ italic_angle = 0;
+ }
+ pSubstFont->m_ItalicAngle = italic_angle;
+ }
+ m_pFontInfo->DeleteFont(hFont);
+ return face;
+}
+#ifdef PDF_ENABLE_XFA
+FXFT_Face CFX_FontMapper::FindSubstFontByUnicode(FX_DWORD dwUnicode,
+ FX_DWORD flags,
+ int weight,
+ int italic_angle) {
+ if (m_pFontInfo == NULL) {
+ return NULL;
+ }
+ FX_BOOL bItalic = (flags & FXFONT_ITALIC) != 0;
+ int PitchFamily = 0;
+ if (flags & FXFONT_SERIF) {
+ PitchFamily |= FXFONT_FF_ROMAN;
+ }
+ if (flags & FXFONT_SCRIPT) {
+ PitchFamily |= FXFONT_FF_SCRIPT;
+ }
+ if (flags & FXFONT_FIXED_PITCH) {
+ PitchFamily |= FXFONT_FF_FIXEDPITCH;
+ }
+ void* hFont =
+ m_pFontInfo->MapFontByUnicode(dwUnicode, weight, bItalic, PitchFamily);
+ if (hFont == NULL) {
+ return NULL;
+ }
+ FX_DWORD ttc_size = m_pFontInfo->GetFontData(hFont, 0x74746366, NULL, 0);
+ FX_DWORD font_size = m_pFontInfo->GetFontData(hFont, 0, NULL, 0);
+ if (font_size == 0 && ttc_size == 0) {
+ m_pFontInfo->DeleteFont(hFont);
+ return NULL;
+ }
+ FXFT_Face face = NULL;
+ if (ttc_size) {
+ uint8_t temp[1024];
+ m_pFontInfo->GetFontData(hFont, 0x74746366, temp, 1024);
+ FX_DWORD checksum = 0;
+ for (int i = 0; i < 256; i++) {
+ checksum += ((FX_DWORD*)temp)[i];
+ }
+ uint8_t* pFontData;
+ face = m_pFontMgr->GetCachedTTCFace(ttc_size, checksum,
+ ttc_size - font_size, pFontData);
+ if (face == NULL) {
+ pFontData = FX_Alloc(uint8_t, ttc_size);
+ if (pFontData) {
+ m_pFontInfo->GetFontData(hFont, 0x74746366, pFontData, ttc_size);
+ face = m_pFontMgr->AddCachedTTCFace(ttc_size, checksum, pFontData,
+ ttc_size, ttc_size - font_size);
+ }
+ }
+ } else {
+ CFX_ByteString SubstName;
+ m_pFontInfo->GetFaceName(hFont, SubstName);
+ uint8_t* pFontData;
+ face = m_pFontMgr->GetCachedFace(SubstName, weight, bItalic, pFontData);
+ if (face == NULL) {
+ pFontData = FX_Alloc(uint8_t, font_size);
+ if (!pFontData) {
+ m_pFontInfo->DeleteFont(hFont);
+ return NULL;
+ }
+ m_pFontInfo->GetFontData(hFont, 0, pFontData, font_size);
+ face = m_pFontMgr->AddCachedFace(SubstName, weight, bItalic, pFontData,
+ font_size,
+ m_pFontInfo->GetFaceIndex(hFont));
+ }
+ }
+ m_pFontInfo->DeleteFont(hFont);
+ return face;
+}
+
+void* IFX_SystemFontInfo::MapFontByUnicode(FX_DWORD dwUnicode,
+ int weight,
+ FX_BOOL bItalic,
+ int pitch_family) {
+ return nullptr;
+}
+#endif // PDF_ENABLE_XFA
+
+int IFX_SystemFontInfo::GetFaceIndex(void* hFont) {
+ return 0;
+}
+
+void* IFX_SystemFontInfo::RetainFont(void* hFont) {
+ return NULL;
+}
+
+int CFX_FontMapper::GetFaceSize() const {
+ return pdfium::CollectionSize<int>(m_FaceArray);
+}
+
+FX_BOOL CFX_FontMapper::IsBuiltinFace(const FXFT_Face face) const {
+ for (int i = 0; i < MM_FACE_COUNT; ++i) {
+ if (m_MMFaces[i] == face) {
+ return TRUE;
+ }
+ }
+ for (int i = 0; i < FOXIT_FACE_COUNT; ++i) {
+ if (m_FoxitFaces[i] == face) {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+extern "C" {
+unsigned long _FTStreamRead(FXFT_Stream stream,
+ unsigned long offset,
+ unsigned char* buffer,
+ unsigned long count);
+void _FTStreamClose(FXFT_Stream stream);
+};
+
+#if _FX_OS_ == _FX_ANDROID_
+IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUnused) {
+ return NULL;
+}
+#endif
+
+CFX_FolderFontInfo::CFX_FolderFontInfo() {}
+CFX_FolderFontInfo::~CFX_FolderFontInfo() {
+ for (const auto& pair : m_FontList) {
+ delete pair.second;
+ }
+}
+void CFX_FolderFontInfo::AddPath(const CFX_ByteStringC& path) {
+ m_PathList.push_back(path);
+}
+void CFX_FolderFontInfo::Release() {
+ delete this;
+}
+FX_BOOL CFX_FolderFontInfo::EnumFontList(CFX_FontMapper* pMapper) {
+ m_pMapper = pMapper;
+ for (const auto& path : m_PathList) {
+ ScanPath(path);
+ }
+ return TRUE;
+}
+void CFX_FolderFontInfo::ScanPath(const CFX_ByteString& path) {
+ void* handle = FX_OpenFolder(path);
+ if (!handle) {
+ return;
+ }
+ CFX_ByteString filename;
+ FX_BOOL bFolder;
+ while (FX_GetNextFile(handle, filename, bFolder)) {
+ if (bFolder) {
+ if (filename == "." || filename == "..") {
+ continue;
+ }
+ } else {
+ CFX_ByteString ext = filename.Right(4);
+ ext.MakeUpper();
+ if (ext != ".TTF" && ext != ".OTF" && ext != ".TTC") {
+ continue;
+ }
+ }
+ CFX_ByteString fullpath = path;
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+ fullpath += "\\";
+#else
+ fullpath += "/";
+#endif
+ fullpath += filename;
+ if (bFolder) {
+ ScanPath(fullpath);
+ } else {
+ ScanFile(fullpath);
+ }
+ }
+ FX_CloseFolder(handle);
+}
+void CFX_FolderFontInfo::ScanFile(const CFX_ByteString& path) {
+ FXSYS_FILE* pFile = FXSYS_fopen(path, "rb");
+ if (!pFile) {
+ return;
+ }
+ FXSYS_fseek(pFile, 0, FXSYS_SEEK_END);
+ FX_DWORD filesize = FXSYS_ftell(pFile);
+ uint8_t buffer[16];
+ FXSYS_fseek(pFile, 0, FXSYS_SEEK_SET);
+ size_t readCnt = FXSYS_fread(buffer, 12, 1, pFile);
+ if (readCnt != 1) {
+ FXSYS_fclose(pFile);
+ return;
+ }
+
+ if (GET_TT_LONG(buffer) == kTableTTCF) {
+ FX_DWORD nFaces = GET_TT_LONG(buffer + 8);
+ if (nFaces > std::numeric_limits<FX_DWORD>::max() / 4) {
+ FXSYS_fclose(pFile);
+ return;
+ }
+ FX_DWORD face_bytes = nFaces * 4;
+ uint8_t* offsets = FX_Alloc(uint8_t, face_bytes);
+ readCnt = FXSYS_fread(offsets, 1, face_bytes, pFile);
+ if (readCnt != face_bytes) {
+ FX_Free(offsets);
+ FXSYS_fclose(pFile);
+ return;
+ }
+ for (FX_DWORD i = 0; i < nFaces; i++) {
+ uint8_t* p = offsets + i * 4;
+ ReportFace(path, pFile, filesize, GET_TT_LONG(p));
+ }
+ FX_Free(offsets);
+ } else {
+ ReportFace(path, pFile, filesize, 0);
+ }
+ FXSYS_fclose(pFile);
+}
+void CFX_FolderFontInfo::ReportFace(const CFX_ByteString& path,
+ FXSYS_FILE* pFile,
+ FX_DWORD filesize,
+ FX_DWORD offset) {
+ FXSYS_fseek(pFile, offset, FXSYS_SEEK_SET);
+ char buffer[16];
+ if (!FXSYS_fread(buffer, 12, 1, pFile)) {
+ return;
+ }
+ FX_DWORD nTables = GET_TT_SHORT(buffer + 4);
+ CFX_ByteString tables = FPDF_ReadStringFromFile(pFile, nTables * 16);
+ if (tables.IsEmpty()) {
+ return;
+ }
+ CFX_ByteString names =
+ FPDF_LoadTableFromTT(pFile, tables, nTables, 0x6e616d65);
+ if (names.IsEmpty()) {
+ return;
+ }
+ CFX_ByteString facename = GetNameFromTT(names, 1);
+ CFX_ByteString style = GetNameFromTT(names, 2);
+ if (style != "Regular") {
+ facename += " " + style;
+ }
+ if (pdfium::ContainsKey(m_FontList, facename))
+ return;
+
+ CFX_FontFaceInfo* pInfo =
+ new CFX_FontFaceInfo(path, facename, tables, offset, filesize);
+ CFX_ByteString os2 = FPDF_LoadTableFromTT(pFile, tables, nTables, 0x4f532f32);
+ if (os2.GetLength() >= 86) {
+ const uint8_t* p = (const uint8_t*)os2 + 78;
+ FX_DWORD codepages = GET_TT_LONG(p);
+ if (codepages & (1 << 17)) {
+ m_pMapper->AddInstalledFont(facename, FXFONT_SHIFTJIS_CHARSET);
+ pInfo->m_Charsets |= CHARSET_FLAG_SHIFTJIS;
+ }
+ if (codepages & (1 << 18)) {
+ m_pMapper->AddInstalledFont(facename, FXFONT_GB2312_CHARSET);
+ pInfo->m_Charsets |= CHARSET_FLAG_GB;
+ }
+ if (codepages & (1 << 20)) {
+ m_pMapper->AddInstalledFont(facename, FXFONT_CHINESEBIG5_CHARSET);
+ pInfo->m_Charsets |= CHARSET_FLAG_BIG5;
+ }
+ if ((codepages & (1 << 19)) || (codepages & (1 << 21))) {
+ m_pMapper->AddInstalledFont(facename, FXFONT_HANGEUL_CHARSET);
+ pInfo->m_Charsets |= CHARSET_FLAG_KOREAN;
+ }
+ if (codepages & (1 << 31)) {
+ m_pMapper->AddInstalledFont(facename, FXFONT_SYMBOL_CHARSET);
+ pInfo->m_Charsets |= CHARSET_FLAG_SYMBOL;
+ }
+ }
+ m_pMapper->AddInstalledFont(facename, FXFONT_ANSI_CHARSET);
+ pInfo->m_Charsets |= CHARSET_FLAG_ANSI;
+ pInfo->m_Styles = 0;
+ if (style.Find("Bold") > -1) {
+ pInfo->m_Styles |= FXFONT_BOLD;
+ }
+ if (style.Find("Italic") > -1 || style.Find("Oblique") > -1) {
+ pInfo->m_Styles |= FXFONT_ITALIC;
+ }
+ if (facename.Find("Serif") > -1) {
+ pInfo->m_Styles |= FXFONT_SERIF;
+ }
+ m_FontList[facename] = pInfo;
+}
+
+void* CFX_FolderFontInfo::GetSubstFont(const CFX_ByteString& face) {
+ for (size_t iBaseFont = 0; iBaseFont < FX_ArraySize(Base14Substs);
+ iBaseFont++) {
+ if (face == Base14Substs[iBaseFont].m_pName) {
+ return GetFont(Base14Substs[iBaseFont].m_pSubstName);
+ }
+ }
+ return nullptr;
+}
+
+void* CFX_FolderFontInfo::FindFont(int weight,
+ FX_BOOL bItalic,
+ int charset,
+ int pitch_family,
+ const FX_CHAR* family,
+ FX_BOOL bMatchName) {
+ CFX_FontFaceInfo* pFind = nullptr;
+ if (charset == FXFONT_ANSI_CHARSET && (pitch_family & FXFONT_FF_FIXEDPITCH)) {
+ return GetFont("Courier New");
+ }
+ FX_DWORD charset_flag = GetCharset(charset);
+ int32_t iBestSimilar = 0;
+ for (const auto& it : m_FontList) {
+ const CFX_ByteString& bsName = it.first;
+ CFX_FontFaceInfo* pFont = it.second;
+ if (!(pFont->m_Charsets & charset_flag) &&
+ charset != FXFONT_DEFAULT_CHARSET) {
+ continue;
+ }
+ int32_t index = bsName.Find(family);
+ if (bMatchName && index < 0) {
+ continue;
+ }
+ int32_t iSimilarValue =
+ GetSimilarValue(weight, bItalic, pitch_family, pFont->m_Styles);
+ if (iSimilarValue > iBestSimilar) {
+ iBestSimilar = iSimilarValue;
+ pFind = pFont;
+ }
+ }
+ return pFind;
+}
+void* CFX_FolderFontInfo::MapFont(int weight,
+ FX_BOOL bItalic,
+ int charset,
+ int pitch_family,
+ const FX_CHAR* family,
+ int& iExact) {
+ return NULL;
+}
+
+#ifdef PDF_ENABLE_XFA
+void* CFX_FolderFontInfo::MapFontByUnicode(FX_DWORD dwUnicode,
+ int weight,
+ FX_BOOL bItalic,
+ int pitch_family) {
+ return NULL;
+}
+#endif // PDF_ENABLE_XFA
+
+void* CFX_FolderFontInfo::GetFont(const FX_CHAR* face) {
+ auto it = m_FontList.find(face);
+ return it != m_FontList.end() ? it->second : nullptr;
+}
+
+FX_DWORD CFX_FolderFontInfo::GetFontData(void* hFont,
+ FX_DWORD table,
+ uint8_t* buffer,
+ FX_DWORD size) {
+ if (!hFont)
+ return 0;
+
+ const CFX_FontFaceInfo* pFont = static_cast<CFX_FontFaceInfo*>(hFont);
+ FX_DWORD datasize = 0;
+ FX_DWORD offset = 0;
+ if (table == 0) {
+ datasize = pFont->m_FontOffset ? 0 : pFont->m_FileSize;
+ } else if (table == kTableTTCF) {
+ datasize = pFont->m_FontOffset ? pFont->m_FileSize : 0;
+ } else {
+ FX_DWORD nTables = pFont->m_FontTables.GetLength() / 16;
+ for (FX_DWORD i = 0; i < nTables; i++) {
+ const uint8_t* p =
+ static_cast<const uint8_t*>(pFont->m_FontTables) + i * 16;
+ if (GET_TT_LONG(p) == table) {
+ offset = GET_TT_LONG(p + 8);
+ datasize = GET_TT_LONG(p + 12);
+ }
+ }
+ }
+
+ if (!datasize || size < datasize)
+ return datasize;
+
+ FXSYS_FILE* pFile = FXSYS_fopen(pFont->m_FilePath, "rb");
+ if (!pFile)
+ return 0;
+
+ if (FXSYS_fseek(pFile, offset, FXSYS_SEEK_SET) < 0 ||
+ FXSYS_fread(buffer, datasize, 1, pFile) != 1) {
+ datasize = 0;
+ }
+ FXSYS_fclose(pFile);
+ return datasize;
+}
+
+void CFX_FolderFontInfo::DeleteFont(void* hFont) {}
+FX_BOOL CFX_FolderFontInfo::GetFaceName(void* hFont, CFX_ByteString& name) {
+ if (!hFont) {
+ return FALSE;
+ }
+ CFX_FontFaceInfo* pFont = (CFX_FontFaceInfo*)hFont;
+ name = pFont->m_FaceName;
+ return TRUE;
+}
+FX_BOOL CFX_FolderFontInfo::GetFontCharset(void* hFont, int& charset) {
+ return FALSE;
+}
+
+int PDF_GetStandardFontName(CFX_ByteString* name) {
+ AltFontName* found = static_cast<AltFontName*>(
+ FXSYS_bsearch(name->c_str(), g_AltFontNames, FX_ArraySize(g_AltFontNames),
+ sizeof(AltFontName), CompareString));
+ if (!found)
+ return -1;
+
+ *name = g_Base14FontNames[found->m_Index];
+ return found->m_Index;
+}
diff --git a/core/fxge/ge/fx_ge_linux.cpp b/core/fxge/ge/fx_ge_linux.cpp
new file mode 100644
index 0000000000..af731f78da
--- /dev/null
+++ b/core/fxge/ge/fx_ge_linux.cpp
@@ -0,0 +1,147 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxge/agg/fx_agg_driver.h"
+#include "core/fxge/ge/fx_text_int.h"
+#include "core/include/fxge/fx_ge.h"
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_
+class CFX_LinuxFontInfo : public CFX_FolderFontInfo {
+ public:
+ void* MapFont(int weight,
+ FX_BOOL bItalic,
+ int charset,
+ int pitch_family,
+ const FX_CHAR* family,
+ int& iExact) override;
+ FX_BOOL ParseFontCfg(const char** pUserPaths);
+};
+#define LINUX_GPNAMESIZE 6
+static const struct {
+ const FX_CHAR* NameArr[LINUX_GPNAMESIZE];
+} LinuxGpFontList[] = {
+ {{"TakaoPGothic", "VL PGothic", "IPAPGothic", "VL Gothic", "Kochi Gothic",
+ "VL Gothic regular"}},
+ {{"TakaoGothic", "VL Gothic", "IPAGothic", "Kochi Gothic", NULL,
+ "VL Gothic regular"}},
+ {{"TakaoPMincho", "IPAPMincho", "VL Gothic", "Kochi Mincho", NULL,
+ "VL Gothic regular"}},
+ {{"TakaoMincho", "IPAMincho", "VL Gothic", "Kochi Mincho", NULL,
+ "VL Gothic regular"}},
+};
+static const FX_CHAR* const g_LinuxGbFontList[] = {
+ "AR PL UMing CN Light", "WenQuanYi Micro Hei", "AR PL UKai CN",
+};
+static const FX_CHAR* const g_LinuxB5FontList[] = {
+ "AR PL UMing TW Light", "WenQuanYi Micro Hei", "AR PL UKai TW",
+};
+static const FX_CHAR* const g_LinuxHGFontList[] = {
+ "UnDotum",
+};
+static int32_t GetJapanesePreference(const FX_CHAR* facearr,
+ int weight,
+ int picth_family) {
+ CFX_ByteString face = facearr;
+ if (face.Find("Gothic") >= 0 ||
+ face.Find("\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) {
+ if (face.Find("PGothic") >= 0 ||
+ face.Find("\x82\x6f\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) {
+ return 0;
+ }
+ return 1;
+ }
+ if (face.Find("Mincho") >= 0 || face.Find("\x96\xbe\x92\xa9") >= 0) {
+ if (face.Find("PMincho") >= 0 ||
+ face.Find("\x82\x6f\x96\xbe\x92\xa9") >= 0) {
+ return 2;
+ }
+ return 3;
+ }
+ if (!(picth_family & FXFONT_FF_ROMAN) && weight > 400) {
+ return 0;
+ }
+ return 2;
+}
+void* CFX_LinuxFontInfo::MapFont(int weight,
+ FX_BOOL bItalic,
+ int charset,
+ int pitch_family,
+ const FX_CHAR* cstr_face,
+ int& iExact) {
+ void* font = GetSubstFont(cstr_face);
+ if (font) {
+ iExact = 1;
+ return font;
+ }
+ FX_BOOL bCJK = TRUE;
+ switch (charset) {
+ case FXFONT_SHIFTJIS_CHARSET: {
+ int32_t index = GetJapanesePreference(cstr_face, weight, pitch_family);
+ if (index < 0) {
+ break;
+ }
+ for (int32_t i = 0; i < LINUX_GPNAMESIZE; i++) {
+ auto it = m_FontList.find(LinuxGpFontList[index].NameArr[i]);
+ if (it != m_FontList.end()) {
+ return it->second;
+ }
+ }
+ } break;
+ case FXFONT_GB2312_CHARSET: {
+ for (size_t i = 0; i < FX_ArraySize(g_LinuxGbFontList); ++i) {
+ auto it = m_FontList.find(g_LinuxGbFontList[i]);
+ if (it != m_FontList.end()) {
+ return it->second;
+ }
+ }
+ } break;
+ case FXFONT_CHINESEBIG5_CHARSET: {
+ for (size_t i = 0; i < FX_ArraySize(g_LinuxB5FontList); ++i) {
+ auto it = m_FontList.find(g_LinuxB5FontList[i]);
+ if (it != m_FontList.end()) {
+ return it->second;
+ }
+ }
+ } break;
+ case FXFONT_HANGEUL_CHARSET: {
+ for (size_t i = 0; i < FX_ArraySize(g_LinuxHGFontList); ++i) {
+ auto it = m_FontList.find(g_LinuxHGFontList[i]);
+ if (it != m_FontList.end()) {
+ return it->second;
+ }
+ }
+ } break;
+ default:
+ bCJK = FALSE;
+ break;
+ }
+ return FindFont(weight, bItalic, charset, pitch_family, cstr_face, !bCJK);
+}
+IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUserPaths) {
+ CFX_LinuxFontInfo* pInfo = new CFX_LinuxFontInfo;
+ if (!pInfo->ParseFontCfg(pUserPaths)) {
+ pInfo->AddPath("/usr/share/fonts");
+ pInfo->AddPath("/usr/share/X11/fonts/Type1");
+ pInfo->AddPath("/usr/share/X11/fonts/TTF");
+ pInfo->AddPath("/usr/local/share/fonts");
+ }
+ return pInfo;
+}
+FX_BOOL CFX_LinuxFontInfo::ParseFontCfg(const char** pUserPaths) {
+ if (!pUserPaths) {
+ return FALSE;
+ }
+ for (const char** pPath = pUserPaths; *pPath; ++pPath) {
+ AddPath(*pPath);
+ }
+ return TRUE;
+}
+void CFX_GEModule::InitPlatform() {
+ m_pFontMgr->SetSystemFontInfo(
+ IFX_SystemFontInfo::CreateDefault(m_pUserFontPaths));
+}
+void CFX_GEModule::DestroyPlatform() {}
+#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_
diff --git a/core/fxge/ge/fx_ge_path.cpp b/core/fxge/ge/fx_ge_path.cpp
new file mode 100644
index 0000000000..0b52cdf9e4
--- /dev/null
+++ b/core/fxge/ge/fx_ge_path.cpp
@@ -0,0 +1,656 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/include/fxcrt/fx_system.h"
+#include "core/include/fxge/fx_ge.h"
+#include "third_party/base/numerics/safe_math.h"
+
+CFX_ClipRgn::CFX_ClipRgn(int width, int height) {
+ m_Type = RectI;
+ m_Box.left = m_Box.top = 0;
+ m_Box.right = width;
+ m_Box.bottom = height;
+}
+CFX_ClipRgn::CFX_ClipRgn(const FX_RECT& rect) {
+ m_Type = RectI;
+ m_Box = rect;
+}
+CFX_ClipRgn::CFX_ClipRgn(const CFX_ClipRgn& src) {
+ m_Type = src.m_Type;
+ m_Box = src.m_Box;
+ m_Mask = src.m_Mask;
+}
+CFX_ClipRgn::~CFX_ClipRgn() {}
+void CFX_ClipRgn::Reset(const FX_RECT& rect) {
+ m_Type = RectI;
+ m_Box = rect;
+ m_Mask.SetNull();
+}
+void CFX_ClipRgn::IntersectRect(const FX_RECT& rect) {
+ if (m_Type == RectI) {
+ m_Box.Intersect(rect);
+ return;
+ }
+ if (m_Type == MaskF) {
+ IntersectMaskRect(rect, m_Box, m_Mask);
+ return;
+ }
+}
+void CFX_ClipRgn::IntersectMaskRect(FX_RECT rect,
+ FX_RECT mask_rect,
+ CFX_DIBitmapRef Mask) {
+ const CFX_DIBitmap* mask_dib = Mask;
+ m_Type = MaskF;
+ m_Box = rect;
+ m_Box.Intersect(mask_rect);
+ if (m_Box.IsEmpty()) {
+ m_Type = RectI;
+ return;
+ }
+ if (m_Box == mask_rect) {
+ m_Mask = Mask;
+ return;
+ }
+ CFX_DIBitmap* new_dib = m_Mask.New();
+ if (!new_dib) {
+ return;
+ }
+ new_dib->Create(m_Box.Width(), m_Box.Height(), FXDIB_8bppMask);
+ for (int row = m_Box.top; row < m_Box.bottom; row++) {
+ uint8_t* dest_scan =
+ new_dib->GetBuffer() + new_dib->GetPitch() * (row - m_Box.top);
+ uint8_t* src_scan =
+ mask_dib->GetBuffer() + mask_dib->GetPitch() * (row - mask_rect.top);
+ for (int col = m_Box.left; col < m_Box.right; col++) {
+ dest_scan[col - m_Box.left] = src_scan[col - mask_rect.left];
+ }
+ }
+}
+void CFX_ClipRgn::IntersectMaskF(int left, int top, CFX_DIBitmapRef Mask) {
+ const CFX_DIBitmap* mask_dib = Mask;
+ ASSERT(mask_dib->GetFormat() == FXDIB_8bppMask);
+ FX_RECT mask_box(left, top, left + mask_dib->GetWidth(),
+ top + mask_dib->GetHeight());
+ if (m_Type == RectI) {
+ IntersectMaskRect(m_Box, mask_box, Mask);
+ return;
+ }
+ if (m_Type == MaskF) {
+ FX_RECT new_box = m_Box;
+ new_box.Intersect(mask_box);
+ if (new_box.IsEmpty()) {
+ m_Type = RectI;
+ m_Mask.SetNull();
+ m_Box = new_box;
+ return;
+ }
+ CFX_DIBitmapRef new_mask;
+ CFX_DIBitmap* new_dib = new_mask.New();
+ if (!new_dib) {
+ return;
+ }
+ new_dib->Create(new_box.Width(), new_box.Height(), FXDIB_8bppMask);
+ const CFX_DIBitmap* old_dib = m_Mask;
+ for (int row = new_box.top; row < new_box.bottom; row++) {
+ uint8_t* old_scan =
+ old_dib->GetBuffer() + (row - m_Box.top) * old_dib->GetPitch();
+ uint8_t* mask_scan =
+ mask_dib->GetBuffer() + (row - top) * mask_dib->GetPitch();
+ uint8_t* new_scan =
+ new_dib->GetBuffer() + (row - new_box.top) * new_dib->GetPitch();
+ for (int col = new_box.left; col < new_box.right; col++) {
+ new_scan[col - new_box.left] =
+ old_scan[col - m_Box.left] * mask_scan[col - left] / 255;
+ }
+ }
+ m_Box = new_box;
+ m_Mask = new_mask;
+ return;
+ }
+ ASSERT(FALSE);
+}
+CFX_PathData::CFX_PathData() {
+ m_PointCount = m_AllocCount = 0;
+ m_pPoints = NULL;
+}
+CFX_PathData::~CFX_PathData() {
+ FX_Free(m_pPoints);
+}
+void CFX_PathData::SetPointCount(int nPoints) {
+ m_PointCount = nPoints;
+ if (m_AllocCount < nPoints) {
+ FX_Free(m_pPoints);
+ m_pPoints = FX_Alloc(FX_PATHPOINT, nPoints);
+ m_AllocCount = nPoints;
+ }
+}
+void CFX_PathData::AllocPointCount(int nPoints) {
+ if (m_AllocCount < nPoints) {
+ FX_PATHPOINT* pNewBuf = FX_Alloc(FX_PATHPOINT, nPoints);
+ if (m_PointCount) {
+ FXSYS_memcpy(pNewBuf, m_pPoints, m_PointCount * sizeof(FX_PATHPOINT));
+ }
+ FX_Free(m_pPoints);
+ m_pPoints = pNewBuf;
+ m_AllocCount = nPoints;
+ }
+}
+CFX_PathData::CFX_PathData(const CFX_PathData& src) {
+ m_PointCount = m_AllocCount = src.m_PointCount;
+ m_pPoints = FX_Alloc(FX_PATHPOINT, src.m_PointCount);
+ FXSYS_memcpy(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount);
+}
+void CFX_PathData::TrimPoints(int nPoints) {
+ if (m_PointCount <= nPoints) {
+ return;
+ }
+ SetPointCount(nPoints);
+}
+void CFX_PathData::AddPointCount(int addPoints) {
+ pdfium::base::CheckedNumeric<int> safe_new_count = m_PointCount;
+ safe_new_count += addPoints;
+ int new_count = safe_new_count.ValueOrDie();
+ AllocPointCount(new_count);
+ m_PointCount = new_count;
+}
+void CFX_PathData::Append(const CFX_PathData* pSrc, const CFX_Matrix* pMatrix) {
+ int old_count = m_PointCount;
+ AddPointCount(pSrc->m_PointCount);
+ FXSYS_memcpy(m_pPoints + old_count, pSrc->m_pPoints,
+ pSrc->m_PointCount * sizeof(FX_PATHPOINT));
+ if (pMatrix) {
+ for (int i = 0; i < pSrc->m_PointCount; i++) {
+ pMatrix->Transform(m_pPoints[old_count + i].m_PointX,
+ m_pPoints[old_count + i].m_PointY);
+ }
+ }
+}
+void CFX_PathData::SetPoint(int index, FX_FLOAT x, FX_FLOAT y, int flag) {
+ ASSERT(index < m_PointCount);
+ m_pPoints[index].m_PointX = x;
+ m_pPoints[index].m_PointY = y;
+ m_pPoints[index].m_Flag = flag;
+}
+void CFX_PathData::AppendRect(FX_FLOAT left,
+ FX_FLOAT bottom,
+ FX_FLOAT right,
+ FX_FLOAT top) {
+ int old_count = m_PointCount;
+ AddPointCount(5);
+ FX_PATHPOINT* pPoints = m_pPoints + old_count;
+ pPoints[0].m_PointX = pPoints[1].m_PointX = pPoints[4].m_PointX = left;
+ pPoints[2].m_PointX = pPoints[3].m_PointX = right;
+ pPoints[0].m_PointY = pPoints[3].m_PointY = pPoints[4].m_PointY = bottom;
+ pPoints[1].m_PointY = pPoints[2].m_PointY = top;
+ pPoints[0].m_Flag = FXPT_MOVETO;
+ pPoints[1].m_Flag = pPoints[2].m_Flag = pPoints[3].m_Flag = FXPT_LINETO;
+ pPoints[4].m_Flag = FXPT_LINETO | FXPT_CLOSEFIGURE;
+}
+CFX_FloatRect CFX_PathData::GetBoundingBox() const {
+ CFX_FloatRect rect;
+ if (m_PointCount) {
+ rect.InitRect(m_pPoints[0].m_PointX, m_pPoints[0].m_PointY);
+ for (int i = 1; i < m_PointCount; i++) {
+ rect.UpdateRect(m_pPoints[i].m_PointX, m_pPoints[i].m_PointY);
+ }
+ }
+ return rect;
+}
+static void _UpdateLineEndPoints(CFX_FloatRect& rect,
+ FX_FLOAT start_x,
+ FX_FLOAT start_y,
+ FX_FLOAT end_x,
+ FX_FLOAT end_y,
+ FX_FLOAT hw) {
+ if (start_x == end_x) {
+ if (start_y == end_y) {
+ rect.UpdateRect(end_x + hw, end_y + hw);
+ rect.UpdateRect(end_x - hw, end_y - hw);
+ return;
+ }
+ FX_FLOAT point_y;
+ if (end_y < start_y) {
+ point_y = end_y - hw;
+ } else {
+ point_y = end_y + hw;
+ }
+ rect.UpdateRect(end_x + hw, point_y);
+ rect.UpdateRect(end_x - hw, point_y);
+ return;
+ }
+ if (start_y == end_y) {
+ FX_FLOAT point_x;
+ if (end_x < start_x) {
+ point_x = end_x - hw;
+ } else {
+ point_x = end_x + hw;
+ }
+ rect.UpdateRect(point_x, end_y + hw);
+ rect.UpdateRect(point_x, end_y - hw);
+ return;
+ }
+ FX_FLOAT dx = end_x - start_x;
+ FX_FLOAT dy = end_y - start_y;
+ FX_FLOAT ll = FXSYS_sqrt2(dx, dy);
+ FX_FLOAT mx = end_x + hw * dx / ll;
+ FX_FLOAT my = end_y + hw * dy / ll;
+ FX_FLOAT dx1 = hw * dy / ll;
+ FX_FLOAT dy1 = hw * dx / ll;
+ rect.UpdateRect(mx - dx1, my + dy1);
+ rect.UpdateRect(mx + dx1, my - dy1);
+}
+static void _UpdateLineJoinPoints(CFX_FloatRect& rect,
+ FX_FLOAT start_x,
+ FX_FLOAT start_y,
+ FX_FLOAT middle_x,
+ FX_FLOAT middle_y,
+ FX_FLOAT end_x,
+ FX_FLOAT end_y,
+ FX_FLOAT half_width,
+ FX_FLOAT miter_limit) {
+ FX_FLOAT start_k = 0, start_c = 0, end_k = 0, end_c = 0, start_len = 0,
+ start_dc = 0, end_len = 0, end_dc = 0;
+ FX_BOOL bStartVert = FXSYS_fabs(start_x - middle_x) < 1.0f / 20;
+ FX_BOOL bEndVert = FXSYS_fabs(middle_x - end_x) < 1.0f / 20;
+ if (bStartVert && bEndVert) {
+ int start_dir = middle_y > start_y ? 1 : -1;
+ FX_FLOAT point_y = middle_y + half_width * start_dir;
+ rect.UpdateRect(middle_x + half_width, point_y);
+ rect.UpdateRect(middle_x - half_width, point_y);
+ return;
+ }
+ if (!bStartVert) {
+ start_k = (middle_y - start_y) / (middle_x - start_x);
+ start_c = middle_y - (start_k * middle_x);
+ start_len = FXSYS_sqrt2(start_x - middle_x, start_y - middle_y);
+ start_dc =
+ (FX_FLOAT)FXSYS_fabs(half_width * start_len / (start_x - middle_x));
+ }
+ if (!bEndVert) {
+ end_k = (end_y - middle_y) / (end_x - middle_x);
+ end_c = middle_y - (end_k * middle_x);
+ end_len = FXSYS_sqrt2(end_x - middle_x, end_y - middle_y);
+ end_dc = (FX_FLOAT)FXSYS_fabs(half_width * end_len / (end_x - middle_x));
+ }
+ if (bStartVert) {
+ FX_FLOAT outside_x = start_x;
+ if (end_x < start_x) {
+ outside_x += half_width;
+ } else {
+ outside_x -= half_width;
+ }
+ FX_FLOAT outside_y;
+ if (start_y < (end_k * start_x) + end_c) {
+ outside_y = (end_k * outside_x) + end_c + end_dc;
+ } else {
+ outside_y = (end_k * outside_x) + end_c - end_dc;
+ }
+ rect.UpdateRect(outside_x, outside_y);
+ return;
+ }
+ if (bEndVert) {
+ FX_FLOAT outside_x = end_x;
+ if (start_x < end_x) {
+ outside_x += half_width;
+ } else {
+ outside_x -= half_width;
+ }
+ FX_FLOAT outside_y;
+ if (end_y < (start_k * end_x) + start_c) {
+ outside_y = (start_k * outside_x) + start_c + start_dc;
+ } else {
+ outside_y = (start_k * outside_x) + start_c - start_dc;
+ }
+ rect.UpdateRect(outside_x, outside_y);
+ return;
+ }
+ if (FXSYS_fabs(start_k - end_k) < 1.0f / 20) {
+ int start_dir = middle_x > start_x ? 1 : -1;
+ int end_dir = end_x > middle_x ? 1 : -1;
+ if (start_dir == end_dir) {
+ _UpdateLineEndPoints(rect, middle_x, middle_y, end_x, end_y, half_width);
+ } else {
+ _UpdateLineEndPoints(rect, start_x, start_y, middle_x, middle_y,
+ half_width);
+ }
+ return;
+ }
+ FX_FLOAT start_outside_c = start_c;
+ if (end_y < (start_k * end_x) + start_c) {
+ start_outside_c += start_dc;
+ } else {
+ start_outside_c -= start_dc;
+ }
+ FX_FLOAT end_outside_c = end_c;
+ if (start_y < (end_k * start_x) + end_c) {
+ end_outside_c += end_dc;
+ } else {
+ end_outside_c -= end_dc;
+ }
+ FX_FLOAT join_x = (end_outside_c - start_outside_c) / (start_k - end_k);
+ FX_FLOAT join_y = (start_k * join_x) + start_outside_c;
+ rect.UpdateRect(join_x, join_y);
+}
+CFX_FloatRect CFX_PathData::GetBoundingBox(FX_FLOAT line_width,
+ FX_FLOAT miter_limit) const {
+ CFX_FloatRect rect(100000 * 1.0f, 100000 * 1.0f, -100000 * 1.0f,
+ -100000 * 1.0f);
+ int iPoint = 0;
+ FX_FLOAT half_width = line_width;
+ int iStartPoint, iEndPoint, iMiddlePoint;
+ FX_BOOL bJoin;
+ while (iPoint < m_PointCount) {
+ if (m_pPoints[iPoint].m_Flag == FXPT_MOVETO) {
+ iStartPoint = iPoint + 1;
+ iEndPoint = iPoint;
+ bJoin = FALSE;
+ } else {
+ if (m_pPoints[iPoint].m_Flag == FXPT_BEZIERTO) {
+ rect.UpdateRect(m_pPoints[iPoint].m_PointX, m_pPoints[iPoint].m_PointY);
+ rect.UpdateRect(m_pPoints[iPoint + 1].m_PointX,
+ m_pPoints[iPoint + 1].m_PointY);
+ iPoint += 2;
+ }
+ if (iPoint == m_PointCount - 1 ||
+ m_pPoints[iPoint + 1].m_Flag == FXPT_MOVETO) {
+ iStartPoint = iPoint - 1;
+ iEndPoint = iPoint;
+ bJoin = FALSE;
+ } else {
+ iStartPoint = iPoint - 1;
+ iMiddlePoint = iPoint;
+ iEndPoint = iPoint + 1;
+ bJoin = TRUE;
+ }
+ }
+ FX_FLOAT start_x = m_pPoints[iStartPoint].m_PointX;
+ FX_FLOAT start_y = m_pPoints[iStartPoint].m_PointY;
+ FX_FLOAT end_x = m_pPoints[iEndPoint].m_PointX;
+ FX_FLOAT end_y = m_pPoints[iEndPoint].m_PointY;
+ if (bJoin) {
+ FX_FLOAT middle_x = m_pPoints[iMiddlePoint].m_PointX;
+ FX_FLOAT middle_y = m_pPoints[iMiddlePoint].m_PointY;
+ _UpdateLineJoinPoints(rect, start_x, start_y, middle_x, middle_y, end_x,
+ end_y, half_width, miter_limit);
+ } else {
+ _UpdateLineEndPoints(rect, start_x, start_y, end_x, end_y, half_width);
+ }
+ iPoint++;
+ }
+ return rect;
+}
+void CFX_PathData::Transform(const CFX_Matrix* pMatrix) {
+ if (!pMatrix) {
+ return;
+ }
+ for (int i = 0; i < m_PointCount; i++) {
+ pMatrix->Transform(m_pPoints[i].m_PointX, m_pPoints[i].m_PointY);
+ }
+}
+FX_BOOL CFX_PathData::GetZeroAreaPath(CFX_PathData& NewPath,
+ CFX_Matrix* pMatrix,
+ FX_BOOL& bThin,
+ FX_BOOL bAdjust) const {
+ if (m_PointCount < 3) {
+ return FALSE;
+ }
+ if (m_PointCount == 3 && (m_pPoints[0].m_Flag & FXPT_TYPE) == FXPT_MOVETO &&
+ (m_pPoints[1].m_Flag & FXPT_TYPE) == FXPT_LINETO &&
+ (m_pPoints[2].m_Flag & FXPT_TYPE) == FXPT_LINETO &&
+ m_pPoints[0].m_PointX == m_pPoints[2].m_PointX &&
+ m_pPoints[0].m_PointY == m_pPoints[2].m_PointY) {
+ NewPath.AddPointCount(2);
+ if (bAdjust) {
+ if (pMatrix) {
+ FX_FLOAT x = m_pPoints[0].m_PointX, y = m_pPoints[0].m_PointY;
+ pMatrix->TransformPoint(x, y);
+ x = (int)x + 0.5f;
+ y = (int)y + 0.5f;
+ NewPath.SetPoint(0, x, y, FXPT_MOVETO);
+ x = m_pPoints[1].m_PointX, y = m_pPoints[1].m_PointY;
+ pMatrix->TransformPoint(x, y);
+ x = (int)x + 0.5f;
+ y = (int)y + 0.5f;
+ NewPath.SetPoint(1, x, y, FXPT_LINETO);
+ pMatrix->SetIdentity();
+ } else {
+ FX_FLOAT x = (int)m_pPoints[0].m_PointX + 0.5f,
+ y = (int)m_pPoints[0].m_PointY + 0.5f;
+ NewPath.SetPoint(0, x, y, FXPT_MOVETO);
+ x = (int)m_pPoints[1].m_PointX + 0.5f,
+ y = (int)m_pPoints[1].m_PointY + 0.5f;
+ NewPath.SetPoint(1, x, y, FXPT_LINETO);
+ }
+ } else {
+ NewPath.SetPoint(0, m_pPoints[0].m_PointX, m_pPoints[0].m_PointY,
+ FXPT_MOVETO);
+ NewPath.SetPoint(1, m_pPoints[1].m_PointX, m_pPoints[1].m_PointY,
+ FXPT_LINETO);
+ }
+ if (m_pPoints[0].m_PointX != m_pPoints[1].m_PointX &&
+ m_pPoints[0].m_PointY != m_pPoints[1].m_PointY) {
+ bThin = TRUE;
+ }
+ return TRUE;
+ }
+ if (((m_PointCount > 3) && (m_PointCount % 2))) {
+ int mid = m_PointCount / 2;
+ FX_BOOL bZeroArea = FALSE;
+ CFX_PathData t_path;
+ for (int i = 0; i < mid; i++) {
+ if (!(m_pPoints[mid - i - 1].m_PointX ==
+ m_pPoints[mid + i + 1].m_PointX &&
+ m_pPoints[mid - i - 1].m_PointY ==
+ m_pPoints[mid + i + 1].m_PointY &&
+ ((m_pPoints[mid - i - 1].m_Flag & FXPT_TYPE) != FXPT_BEZIERTO &&
+ (m_pPoints[mid + i + 1].m_Flag & FXPT_TYPE) != FXPT_BEZIERTO))) {
+ bZeroArea = TRUE;
+ break;
+ }
+ int new_count = t_path.GetPointCount();
+ t_path.AddPointCount(2);
+ t_path.SetPoint(new_count, m_pPoints[mid - i].m_PointX,
+ m_pPoints[mid - i].m_PointY, FXPT_MOVETO);
+ t_path.SetPoint(new_count + 1, m_pPoints[mid - i - 1].m_PointX,
+ m_pPoints[mid - i - 1].m_PointY, FXPT_LINETO);
+ }
+ if (!bZeroArea) {
+ NewPath.Append(&t_path, NULL);
+ bThin = TRUE;
+ return TRUE;
+ }
+ }
+ int stratPoint = 0;
+ int next = 0, i;
+ for (i = 0; i < m_PointCount; i++) {
+ int point_type = m_pPoints[i].m_Flag & FXPT_TYPE;
+ if (point_type == FXPT_MOVETO) {
+ stratPoint = i;
+ } else if (point_type == FXPT_LINETO) {
+ next = (i + 1 - stratPoint) % (m_PointCount - stratPoint) + stratPoint;
+ if ((m_pPoints[next].m_Flag & FXPT_TYPE) != FXPT_BEZIERTO &&
+ (m_pPoints[next].m_Flag & FXPT_TYPE) != FXPT_MOVETO) {
+ if ((m_pPoints[i - 1].m_PointX == m_pPoints[i].m_PointX &&
+ m_pPoints[i].m_PointX == m_pPoints[next].m_PointX) &&
+ ((m_pPoints[i].m_PointY - m_pPoints[i - 1].m_PointY) *
+ (m_pPoints[i].m_PointY - m_pPoints[next].m_PointY) >
+ 0)) {
+ int pre = i;
+ if (FXSYS_fabs(m_pPoints[i].m_PointY - m_pPoints[i - 1].m_PointY) <
+ FXSYS_fabs(m_pPoints[i].m_PointY - m_pPoints[next].m_PointY)) {
+ pre--;
+ next--;
+ }
+ int new_count = NewPath.GetPointCount();
+ NewPath.AddPointCount(2);
+ NewPath.SetPoint(new_count, m_pPoints[pre].m_PointX,
+ m_pPoints[pre].m_PointY, FXPT_MOVETO);
+ NewPath.SetPoint(new_count + 1, m_pPoints[next].m_PointX,
+ m_pPoints[next].m_PointY, FXPT_LINETO);
+ } else if ((m_pPoints[i - 1].m_PointY == m_pPoints[i].m_PointY &&
+ m_pPoints[i].m_PointY == m_pPoints[next].m_PointY) &&
+ ((m_pPoints[i].m_PointX - m_pPoints[i - 1].m_PointX) *
+ (m_pPoints[i].m_PointX - m_pPoints[next].m_PointX) >
+ 0)) {
+ int pre = i;
+ if (FXSYS_fabs(m_pPoints[i].m_PointX - m_pPoints[i - 1].m_PointX) <
+ FXSYS_fabs(m_pPoints[i].m_PointX - m_pPoints[next].m_PointX)) {
+ pre--;
+ next--;
+ }
+ int new_count = NewPath.GetPointCount();
+ NewPath.AddPointCount(2);
+ NewPath.SetPoint(new_count, m_pPoints[pre].m_PointX,
+ m_pPoints[pre].m_PointY, FXPT_MOVETO);
+ NewPath.SetPoint(new_count + 1, m_pPoints[next].m_PointX,
+ m_pPoints[next].m_PointY, FXPT_LINETO);
+ } else if ((m_pPoints[i - 1].m_Flag & FXPT_TYPE) == FXPT_MOVETO &&
+ (m_pPoints[next].m_Flag & FXPT_TYPE) == FXPT_LINETO &&
+ m_pPoints[i - 1].m_PointX == m_pPoints[next].m_PointX &&
+ m_pPoints[i - 1].m_PointY == m_pPoints[next].m_PointY &&
+ m_pPoints[next].m_Flag & FXPT_CLOSEFIGURE) {
+ int new_count = NewPath.GetPointCount();
+ NewPath.AddPointCount(2);
+ NewPath.SetPoint(new_count, m_pPoints[i - 1].m_PointX,
+ m_pPoints[i - 1].m_PointY, FXPT_MOVETO);
+ NewPath.SetPoint(new_count + 1, m_pPoints[i].m_PointX,
+ m_pPoints[i].m_PointY, FXPT_LINETO);
+ bThin = TRUE;
+ }
+ }
+ } else if (point_type == FXPT_BEZIERTO) {
+ i += 2;
+ continue;
+ }
+ }
+ if (m_PointCount > 3 && NewPath.GetPointCount()) {
+ bThin = TRUE;
+ }
+ if (NewPath.GetPointCount() == 0) {
+ return FALSE;
+ }
+ return TRUE;
+}
+FX_BOOL CFX_PathData::IsRect() const {
+ if (m_PointCount != 5 && m_PointCount != 4) {
+ return FALSE;
+ }
+ if ((m_PointCount == 5 && (m_pPoints[0].m_PointX != m_pPoints[4].m_PointX ||
+ m_pPoints[0].m_PointY != m_pPoints[4].m_PointY)) ||
+ (m_pPoints[0].m_PointX == m_pPoints[2].m_PointX &&
+ m_pPoints[0].m_PointY == m_pPoints[2].m_PointY) ||
+ (m_pPoints[1].m_PointX == m_pPoints[3].m_PointX &&
+ m_pPoints[1].m_PointY == m_pPoints[3].m_PointY)) {
+ return FALSE;
+ }
+ if (m_pPoints[0].m_PointX != m_pPoints[3].m_PointX &&
+ m_pPoints[0].m_PointY != m_pPoints[3].m_PointY) {
+ return FALSE;
+ }
+ for (int i = 1; i < 4; i++) {
+ if ((m_pPoints[i].m_Flag & FXPT_TYPE) != FXPT_LINETO) {
+ return FALSE;
+ }
+ if (m_pPoints[i].m_PointX != m_pPoints[i - 1].m_PointX &&
+ m_pPoints[i].m_PointY != m_pPoints[i - 1].m_PointY) {
+ return FALSE;
+ }
+ }
+ return m_PointCount == 5 || (m_pPoints[3].m_Flag & FXPT_CLOSEFIGURE);
+}
+FX_BOOL CFX_PathData::IsRect(const CFX_Matrix* pMatrix,
+ CFX_FloatRect* pRect) const {
+ if (!pMatrix) {
+ if (!IsRect()) {
+ return FALSE;
+ }
+ if (pRect) {
+ pRect->left = m_pPoints[0].m_PointX;
+ pRect->right = m_pPoints[2].m_PointX;
+ pRect->bottom = m_pPoints[0].m_PointY;
+ pRect->top = m_pPoints[2].m_PointY;
+ pRect->Normalize();
+ }
+ return TRUE;
+ }
+ if (m_PointCount != 5 && m_PointCount != 4) {
+ return FALSE;
+ }
+ if ((m_PointCount == 5 && (m_pPoints[0].m_PointX != m_pPoints[4].m_PointX ||
+ m_pPoints[0].m_PointY != m_pPoints[4].m_PointY)) ||
+ (m_pPoints[1].m_PointX == m_pPoints[3].m_PointX &&
+ m_pPoints[1].m_PointY == m_pPoints[3].m_PointY)) {
+ return FALSE;
+ }
+ if (m_PointCount == 4 && m_pPoints[0].m_PointX != m_pPoints[3].m_PointX &&
+ m_pPoints[0].m_PointY != m_pPoints[3].m_PointY) {
+ return FALSE;
+ }
+ FX_FLOAT x[5], y[5];
+ for (int i = 0; i < m_PointCount; i++) {
+ pMatrix->Transform(m_pPoints[i].m_PointX, m_pPoints[i].m_PointY, x[i],
+ y[i]);
+ if (i) {
+ if ((m_pPoints[i].m_Flag & FXPT_TYPE) != FXPT_LINETO) {
+ return FALSE;
+ }
+ if (x[i] != x[i - 1] && y[i] != y[i - 1]) {
+ return FALSE;
+ }
+ }
+ }
+ if (pRect) {
+ pRect->left = x[0];
+ pRect->right = x[2];
+ pRect->bottom = y[0];
+ pRect->top = y[2];
+ pRect->Normalize();
+ }
+ return TRUE;
+}
+void CFX_PathData::Copy(const CFX_PathData& src) {
+ SetPointCount(src.m_PointCount);
+ FXSYS_memcpy(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount);
+}
+CFX_GraphStateData::CFX_GraphStateData() {
+ m_LineCap = LineCapButt;
+ m_DashCount = 0;
+ m_DashArray = NULL;
+ m_DashPhase = 0;
+ m_LineJoin = LineJoinMiter;
+ m_MiterLimit = 10 * 1.0f;
+ m_LineWidth = 1.0f;
+}
+CFX_GraphStateData::CFX_GraphStateData(const CFX_GraphStateData& src) {
+ m_DashArray = NULL;
+ Copy(src);
+}
+void CFX_GraphStateData::Copy(const CFX_GraphStateData& src) {
+ m_LineCap = src.m_LineCap;
+ m_DashCount = src.m_DashCount;
+ FX_Free(m_DashArray);
+ m_DashArray = NULL;
+ m_DashPhase = src.m_DashPhase;
+ m_LineJoin = src.m_LineJoin;
+ m_MiterLimit = src.m_MiterLimit;
+ m_LineWidth = src.m_LineWidth;
+ if (m_DashCount) {
+ m_DashArray = FX_Alloc(FX_FLOAT, m_DashCount);
+ FXSYS_memcpy(m_DashArray, src.m_DashArray, m_DashCount * sizeof(FX_FLOAT));
+ }
+}
+CFX_GraphStateData::~CFX_GraphStateData() {
+ FX_Free(m_DashArray);
+}
+void CFX_GraphStateData::SetDashCount(int count) {
+ FX_Free(m_DashArray);
+ m_DashArray = NULL;
+ m_DashCount = count;
+ if (count == 0) {
+ return;
+ }
+ m_DashArray = FX_Alloc(FX_FLOAT, count);
+}
diff --git a/core/fxge/ge/fx_ge_ps.cpp b/core/fxge/ge/fx_ge_ps.cpp
new file mode 100644
index 0000000000..2470025852
--- /dev/null
+++ b/core/fxge/ge/fx_ge_ps.cpp
@@ -0,0 +1,700 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/include/fxge/fx_ge.h"
+
+#include "core/fxge/ge/fx_text_int.h"
+#include "core/include/fxcodec/fx_codec.h"
+
+struct PSGlyph {
+ CFX_Font* m_pFont;
+ FX_DWORD m_GlyphIndex;
+ FX_BOOL m_bGlyphAdjust;
+ FX_FLOAT m_AdjustMatrix[4];
+};
+class CPSFont {
+ public:
+ PSGlyph m_Glyphs[256];
+ int m_nGlyphs;
+};
+CFX_PSRenderer::CFX_PSRenderer() {
+ m_pOutput = NULL;
+ m_bColorSet = m_bGraphStateSet = FALSE;
+ m_bInited = FALSE;
+}
+CFX_PSRenderer::~CFX_PSRenderer() {
+ for (int i = 0; i < (int)m_PSFontList.GetSize(); i++) {
+ CPSFont* pFont = m_PSFontList[i];
+ delete pFont;
+ }
+}
+#define OUTPUT_PS(str) m_pOutput->OutputPS(str, sizeof str - 1)
+void CFX_PSRenderer::Init(IFX_PSOutput* pOutput,
+ int pslevel,
+ int width,
+ int height,
+ FX_BOOL bCmykOutput) {
+ m_PSLevel = pslevel;
+ m_pOutput = pOutput;
+ m_ClipBox.left = m_ClipBox.top = 0;
+ m_ClipBox.right = width;
+ m_ClipBox.bottom = height;
+ m_bCmykOutput = bCmykOutput;
+}
+FX_BOOL CFX_PSRenderer::StartRendering() {
+ if (m_bInited) {
+ return TRUE;
+ }
+ static const char init_str[] =
+ "\nsave\n/im/initmatrix load def\n"
+ "/n/newpath load def/m/moveto load def/l/lineto load def/c/curveto load "
+ "def/h/closepath load def\n"
+ "/f/fill load def/F/eofill load def/s/stroke load def/W/clip load "
+ "def/W*/eoclip load def\n"
+ "/rg/setrgbcolor load def/k/setcmykcolor load def\n"
+ "/J/setlinecap load def/j/setlinejoin load def/w/setlinewidth load "
+ "def/M/setmiterlimit load def/d/setdash load def\n"
+ "/q/gsave load def/Q/grestore load def/iM/imagemask load def\n"
+ "/Tj/show load def/Ff/findfont load def/Fs/scalefont load def/Sf/setfont "
+ "load def\n"
+ "/cm/concat load def/Cm/currentmatrix load def/mx/matrix load "
+ "def/sm/setmatrix load def\n";
+ OUTPUT_PS(init_str);
+ m_bInited = TRUE;
+ return TRUE;
+}
+void CFX_PSRenderer::EndRendering() {
+ if (m_bInited) {
+ OUTPUT_PS("\nrestore\n");
+ }
+ m_bInited = FALSE;
+}
+void CFX_PSRenderer::SaveState() {
+ StartRendering();
+ OUTPUT_PS("q\n");
+ m_ClipBoxStack.Add(m_ClipBox);
+}
+void CFX_PSRenderer::RestoreState(FX_BOOL bKeepSaved) {
+ StartRendering();
+ if (bKeepSaved) {
+ OUTPUT_PS("Q\nq\n");
+ } else {
+ OUTPUT_PS("Q\n");
+ }
+ m_bColorSet = m_bGraphStateSet = FALSE;
+ m_ClipBox = m_ClipBoxStack.GetAt(m_ClipBoxStack.GetSize() - 1);
+ if (!bKeepSaved) {
+ m_ClipBoxStack.RemoveAt(m_ClipBoxStack.GetSize() - 1);
+ }
+}
+void CFX_PSRenderer::OutputPath(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device) {
+ int nPoints = pPathData->GetPointCount();
+ CFX_ByteTextBuf buf;
+ buf.EstimateSize(nPoints * 10);
+ for (int i = 0; i < nPoints; i++) {
+ uint8_t flag = pPathData->GetFlag(i);
+ FX_FLOAT x = pPathData->GetPointX(i);
+ FX_FLOAT y = pPathData->GetPointY(i);
+ if (pObject2Device) {
+ pObject2Device->Transform(x, y);
+ }
+ buf << x << " " << y;
+ switch (flag & FXPT_TYPE) {
+ case FXPT_MOVETO:
+ buf << " m ";
+ break;
+ case FXPT_LINETO:
+ if (flag & FXPT_CLOSEFIGURE) {
+ buf << " l h ";
+ } else {
+ buf << " l ";
+ }
+ break;
+ case FXPT_BEZIERTO: {
+ FX_FLOAT x1 = pPathData->GetPointX(i + 1);
+ FX_FLOAT x2 = pPathData->GetPointX(i + 2);
+ FX_FLOAT y1 = pPathData->GetPointY(i + 1);
+ FX_FLOAT y2 = pPathData->GetPointY(i + 2);
+ if (pObject2Device) {
+ pObject2Device->Transform(x1, y1);
+ pObject2Device->Transform(x2, y2);
+ }
+ buf << " " << x1 << " " << y1 << " " << x2 << " " << y2;
+ if (flag & FXPT_CLOSEFIGURE) {
+ buf << " c h\n";
+ } else {
+ buf << " c\n";
+ }
+ i += 2;
+ break;
+ }
+ }
+ }
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+}
+void CFX_PSRenderer::SetClip_PathFill(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ int fill_mode) {
+ StartRendering();
+ OutputPath(pPathData, pObject2Device);
+ CFX_FloatRect rect = pPathData->GetBoundingBox();
+ if (pObject2Device) {
+ rect.Transform(pObject2Device);
+ }
+ m_ClipBox.Intersect(rect.GetOutterRect());
+ if ((fill_mode & 3) == FXFILL_WINDING) {
+ OUTPUT_PS("W n\n");
+ } else {
+ OUTPUT_PS("W* n\n");
+ }
+}
+void CFX_PSRenderer::SetClip_PathStroke(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState) {
+ StartRendering();
+ SetGraphState(pGraphState);
+ if (pObject2Device) {
+ CFX_ByteTextBuf buf;
+ buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
+ << pObject2Device->c << " " << pObject2Device->d << " "
+ << pObject2Device->e << " " << pObject2Device->f << "]cm ";
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+ }
+ OutputPath(pPathData, NULL);
+ CFX_FloatRect rect = pPathData->GetBoundingBox(pGraphState->m_LineWidth,
+ pGraphState->m_MiterLimit);
+ rect.Transform(pObject2Device);
+ m_ClipBox.Intersect(rect.GetOutterRect());
+ if (pObject2Device) {
+ OUTPUT_PS("strokepath W n sm\n");
+ } else {
+ OUTPUT_PS("strokepath W n\n");
+ }
+}
+FX_BOOL CFX_PSRenderer::DrawPath(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState,
+ FX_DWORD fill_color,
+ FX_DWORD stroke_color,
+ int fill_mode,
+ int alpha_flag,
+ void* pIccTransform) {
+ StartRendering();
+ int fill_alpha = FXGETFLAG_COLORTYPE(alpha_flag)
+ ? FXGETFLAG_ALPHA_FILL(alpha_flag)
+ : FXARGB_A(fill_color);
+ int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag)
+ ? FXGETFLAG_ALPHA_STROKE(alpha_flag)
+ : FXARGB_A(stroke_color);
+ if (fill_alpha && fill_alpha < 255) {
+ return FALSE;
+ }
+ if (stroke_alpha && stroke_alpha < 255) {
+ return FALSE;
+ }
+ if (fill_alpha == 0 && stroke_alpha == 0) {
+ return FALSE;
+ }
+ if (stroke_alpha) {
+ SetGraphState(pGraphState);
+ if (pObject2Device) {
+ CFX_ByteTextBuf buf;
+ buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
+ << pObject2Device->c << " " << pObject2Device->d << " "
+ << pObject2Device->e << " " << pObject2Device->f << "]cm ";
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+ }
+ }
+ OutputPath(pPathData, stroke_alpha ? NULL : pObject2Device);
+ if (fill_mode && fill_alpha) {
+ SetColor(fill_color, alpha_flag, pIccTransform);
+ if ((fill_mode & 3) == FXFILL_WINDING) {
+ if (stroke_alpha) {
+ OUTPUT_PS("q f Q ");
+ } else {
+ OUTPUT_PS("f");
+ }
+ } else if ((fill_mode & 3) == FXFILL_ALTERNATE) {
+ if (stroke_alpha) {
+ OUTPUT_PS("q F Q ");
+ } else {
+ OUTPUT_PS("F");
+ }
+ }
+ }
+ if (stroke_alpha) {
+ SetColor(stroke_color, alpha_flag, pIccTransform);
+ if (pObject2Device) {
+ OUTPUT_PS("s sm");
+ } else {
+ OUTPUT_PS("s");
+ }
+ }
+ OUTPUT_PS("\n");
+ return TRUE;
+}
+void CFX_PSRenderer::SetGraphState(const CFX_GraphStateData* pGraphState) {
+ CFX_ByteTextBuf buf;
+ if (!m_bGraphStateSet ||
+ m_CurGraphState.m_LineCap != pGraphState->m_LineCap) {
+ buf << pGraphState->m_LineCap << " J\n";
+ }
+ if (!m_bGraphStateSet ||
+ m_CurGraphState.m_DashCount != pGraphState->m_DashCount ||
+ FXSYS_memcmp(m_CurGraphState.m_DashArray, pGraphState->m_DashArray,
+ sizeof(FX_FLOAT) * m_CurGraphState.m_DashCount)) {
+ buf << "[";
+ for (int i = 0; i < pGraphState->m_DashCount; i++) {
+ buf << pGraphState->m_DashArray[i] << " ";
+ }
+ buf << "]" << pGraphState->m_DashPhase << " d\n";
+ }
+ if (!m_bGraphStateSet ||
+ m_CurGraphState.m_LineJoin != pGraphState->m_LineJoin) {
+ buf << pGraphState->m_LineJoin << " j\n";
+ }
+ if (!m_bGraphStateSet ||
+ m_CurGraphState.m_LineWidth != pGraphState->m_LineWidth) {
+ buf << pGraphState->m_LineWidth << " w\n";
+ }
+ if (!m_bGraphStateSet ||
+ m_CurGraphState.m_MiterLimit != pGraphState->m_MiterLimit) {
+ buf << pGraphState->m_MiterLimit << " M\n";
+ }
+ m_CurGraphState.Copy(*pGraphState);
+ m_bGraphStateSet = TRUE;
+ if (buf.GetSize()) {
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+ }
+}
+static void FaxCompressData(uint8_t* src_buf,
+ int width,
+ int height,
+ uint8_t*& dest_buf,
+ FX_DWORD& dest_size) {
+ CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
+ if (width * height > 128 && pEncoders &&
+ pEncoders->GetFaxModule()->Encode(src_buf, width, height, (width + 7) / 8,
+ dest_buf, dest_size)) {
+ FX_Free(src_buf);
+ } else {
+ dest_buf = src_buf;
+ dest_size = (width + 7) / 8 * height;
+ }
+}
+static void PSCompressData(int PSLevel,
+ uint8_t* src_buf,
+ FX_DWORD src_size,
+ uint8_t*& output_buf,
+ FX_DWORD& output_size,
+ const FX_CHAR*& filter) {
+ output_buf = src_buf;
+ output_size = src_size;
+ filter = "";
+ if (src_size < 1024) {
+ return;
+ }
+ CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
+ uint8_t* dest_buf = NULL;
+ FX_DWORD dest_size = src_size;
+ if (PSLevel >= 3) {
+ if (pEncoders &&
+ pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf,
+ dest_size)) {
+ filter = "/FlateDecode filter ";
+ }
+ } else {
+ if (pEncoders &&
+ pEncoders->GetBasicModule()->RunLengthEncode(src_buf, src_size,
+ dest_buf, dest_size)) {
+ filter = "/RunLengthDecode filter ";
+ }
+ }
+ if (dest_size < src_size) {
+ output_buf = dest_buf;
+ output_size = dest_size;
+ } else {
+ filter = NULL;
+ FX_Free(dest_buf);
+ }
+}
+FX_BOOL CFX_PSRenderer::SetDIBits(const CFX_DIBSource* pSource,
+ FX_DWORD color,
+ int left,
+ int top,
+ int alpha_flag,
+ void* pIccTransform) {
+ StartRendering();
+ CFX_Matrix matrix((FX_FLOAT)(pSource->GetWidth()), 0.0f, 0.0f,
+ -(FX_FLOAT)(pSource->GetHeight()), (FX_FLOAT)(left),
+ (FX_FLOAT)(top + pSource->GetHeight()));
+ return DrawDIBits(pSource, color, &matrix, 0, alpha_flag, pIccTransform);
+}
+FX_BOOL CFX_PSRenderer::StretchDIBits(const CFX_DIBSource* pSource,
+ FX_DWORD color,
+ int dest_left,
+ int dest_top,
+ int dest_width,
+ int dest_height,
+ FX_DWORD flags,
+ int alpha_flag,
+ void* pIccTransform) {
+ StartRendering();
+ CFX_Matrix matrix((FX_FLOAT)(dest_width), 0.0f, 0.0f,
+ (FX_FLOAT)(-dest_height), (FX_FLOAT)(dest_left),
+ (FX_FLOAT)(dest_top + dest_height));
+ return DrawDIBits(pSource, color, &matrix, flags, alpha_flag, pIccTransform);
+}
+FX_BOOL CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource,
+ FX_DWORD color,
+ const CFX_Matrix* pMatrix,
+ FX_DWORD flags,
+ int alpha_flag,
+ void* pIccTransform) {
+ StartRendering();
+ if ((pMatrix->a == 0 && pMatrix->b == 0) ||
+ (pMatrix->c == 0 && pMatrix->d == 0)) {
+ return TRUE;
+ }
+ if (pSource->HasAlpha()) {
+ return FALSE;
+ }
+ int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(color)
+ : FXARGB_A(color);
+ if (pSource->IsAlphaMask() && (alpha < 255 || pSource->GetBPP() != 1)) {
+ return FALSE;
+ }
+ OUTPUT_PS("q\n");
+ CFX_ByteTextBuf buf;
+ buf << "[" << pMatrix->a << " " << pMatrix->b << " " << pMatrix->c << " "
+ << pMatrix->d << " " << pMatrix->e << " " << pMatrix->f << "]cm ";
+ int width = pSource->GetWidth();
+ int height = pSource->GetHeight();
+ buf << width << " " << height;
+ if (pSource->GetBPP() == 1 && !pSource->GetPalette()) {
+ int pitch = (width + 7) / 8;
+ FX_DWORD src_size = height * pitch;
+ uint8_t* src_buf = FX_Alloc(uint8_t, src_size);
+ for (int row = 0; row < height; row++) {
+ const uint8_t* src_scan = pSource->GetScanline(row);
+ FXSYS_memcpy(src_buf + row * pitch, src_scan, pitch);
+ }
+ uint8_t* output_buf;
+ FX_DWORD output_size;
+ FaxCompressData(src_buf, width, height, output_buf, output_size);
+ if (pSource->IsAlphaMask()) {
+ SetColor(color, alpha_flag, pIccTransform);
+ m_bColorSet = FALSE;
+ buf << " true[";
+ } else {
+ buf << " 1[";
+ }
+ buf << width << " 0 0 -" << height << " 0 " << height
+ << "]currentfile/ASCII85Decode filter ";
+ if (output_buf != src_buf)
+ buf << "<</K -1/EndOfBlock false/Columns " << width << "/Rows " << height
+ << ">>/CCITTFaxDecode filter ";
+ if (pSource->IsAlphaMask()) {
+ buf << "iM\n";
+ } else {
+ buf << "false 1 colorimage\n";
+ }
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+ WritePSBinary(output_buf, output_size);
+ FX_Free(output_buf);
+ } else {
+ CFX_DIBSource* pConverted = (CFX_DIBSource*)pSource;
+ if (pIccTransform) {
+ FXDIB_Format format = m_bCmykOutput ? FXDIB_Cmyk : FXDIB_Rgb;
+ pConverted = pSource->CloneConvert(format, NULL, pIccTransform);
+ } else {
+ switch (pSource->GetFormat()) {
+ case FXDIB_1bppRgb:
+ case FXDIB_Rgb32:
+ pConverted = pSource->CloneConvert(FXDIB_Rgb);
+ break;
+ case FXDIB_8bppRgb:
+ if (pSource->GetPalette()) {
+ pConverted = pSource->CloneConvert(FXDIB_Rgb);
+ }
+ break;
+ case FXDIB_1bppCmyk:
+ pConverted = pSource->CloneConvert(FXDIB_Cmyk);
+ break;
+ case FXDIB_8bppCmyk:
+ if (pSource->GetPalette()) {
+ pConverted = pSource->CloneConvert(FXDIB_Cmyk);
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ if (!pConverted) {
+ OUTPUT_PS("\nQ\n");
+ return FALSE;
+ }
+ int Bpp = pConverted->GetBPP() / 8;
+ uint8_t* output_buf = NULL;
+ FX_STRSIZE output_size = 0;
+ const FX_CHAR* filter = NULL;
+ if (flags & FXRENDER_IMAGE_LOSSY) {
+ CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
+ if (pEncoders &&
+ pEncoders->GetJpegModule()->Encode(pConverted, output_buf,
+ output_size)) {
+ filter = "/DCTDecode filter ";
+ }
+ }
+ if (!filter) {
+ int src_pitch = width * Bpp;
+ output_size = height * src_pitch;
+ output_buf = FX_Alloc(uint8_t, output_size);
+ for (int row = 0; row < height; row++) {
+ const uint8_t* src_scan = pConverted->GetScanline(row);
+ uint8_t* dest_scan = output_buf + row * src_pitch;
+ if (Bpp == 3) {
+ for (int col = 0; col < width; col++) {
+ *dest_scan++ = src_scan[2];
+ *dest_scan++ = src_scan[1];
+ *dest_scan++ = *src_scan;
+ src_scan += 3;
+ }
+ } else {
+ FXSYS_memcpy(dest_scan, src_scan, src_pitch);
+ }
+ }
+ uint8_t* compressed_buf;
+ FX_DWORD compressed_size;
+ PSCompressData(m_PSLevel, output_buf, output_size, compressed_buf,
+ compressed_size, filter);
+ if (output_buf != compressed_buf) {
+ FX_Free(output_buf);
+ }
+ output_buf = compressed_buf;
+ output_size = compressed_size;
+ }
+ if (pConverted != pSource) {
+ delete pConverted;
+ pConverted = NULL;
+ }
+ buf << " 8[";
+ buf << width << " 0 0 -" << height << " 0 " << height << "]";
+ buf << "currentfile/ASCII85Decode filter ";
+ if (filter) {
+ buf << filter;
+ }
+ buf << "false " << Bpp;
+ buf << " colorimage\n";
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+ WritePSBinary(output_buf, output_size);
+ FX_Free(output_buf);
+ }
+ OUTPUT_PS("\nQ\n");
+ return TRUE;
+}
+void CFX_PSRenderer::SetColor(FX_DWORD color,
+ int alpha_flag,
+ void* pIccTransform) {
+ if (!CFX_GEModule::Get()->GetCodecModule() ||
+ !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
+ pIccTransform = NULL;
+ }
+ FX_BOOL bCMYK = FALSE;
+ if (pIccTransform) {
+ ICodec_IccModule* pIccModule =
+ CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
+ color = FXGETFLAG_COLORTYPE(alpha_flag) ? FXCMYK_TODIB(color)
+ : FXARGB_TODIB(color);
+ uint8_t* pColor = (uint8_t*)&color;
+ pIccModule->TranslateScanline(pIccTransform, pColor, pColor, 1);
+ color = m_bCmykOutput ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+ bCMYK = m_bCmykOutput;
+ } else {
+ bCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
+ }
+ if (bCMYK != m_bCmykOutput || !m_bColorSet || m_LastColor != color) {
+ CFX_ByteTextBuf buf;
+ if (bCMYK) {
+ buf << FXSYS_GetCValue(color) / 255.0 << " "
+ << FXSYS_GetMValue(color) / 255.0 << " "
+ << FXSYS_GetYValue(color) / 255.0 << " "
+ << FXSYS_GetKValue(color) / 255.0 << " k\n";
+ } else {
+ buf << FXARGB_R(color) / 255.0 << " " << FXARGB_G(color) / 255.0 << " "
+ << FXARGB_B(color) / 255.0 << " rg\n";
+ }
+ if (bCMYK == m_bCmykOutput) {
+ m_bColorSet = TRUE;
+ m_LastColor = color;
+ }
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+ }
+}
+void CFX_PSRenderer::FindPSFontGlyph(CFX_FaceCache* pFaceCache,
+ CFX_Font* pFont,
+ const FXTEXT_CHARPOS& charpos,
+ int& ps_fontnum,
+ int& ps_glyphindex) {
+ for (int i = 0; i < (int)m_PSFontList.GetSize(); i++) {
+ CPSFont* pPSFont = m_PSFontList[i];
+ for (int j = 0; j < pPSFont->m_nGlyphs; j++)
+ if (pPSFont->m_Glyphs[j].m_pFont == pFont &&
+ pPSFont->m_Glyphs[j].m_GlyphIndex == charpos.m_GlyphIndex) {
+ if ((!pPSFont->m_Glyphs[j].m_bGlyphAdjust && !charpos.m_bGlyphAdjust) ||
+ (pPSFont->m_Glyphs[j].m_bGlyphAdjust && charpos.m_bGlyphAdjust &&
+ (FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[0] -
+ charpos.m_AdjustMatrix[0]) < 0.01 &&
+ FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[1] -
+ charpos.m_AdjustMatrix[1]) < 0.01 &&
+ FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[2] -
+ charpos.m_AdjustMatrix[2]) < 0.01 &&
+ FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[3] -
+ charpos.m_AdjustMatrix[3]) < 0.01))) {
+ ps_fontnum = i;
+ ps_glyphindex = j;
+ return;
+ }
+ }
+ }
+ if (m_PSFontList.GetSize() == 0 ||
+ m_PSFontList[m_PSFontList.GetSize() - 1]->m_nGlyphs == 256) {
+ CPSFont* pPSFont = new CPSFont;
+ pPSFont->m_nGlyphs = 0;
+ m_PSFontList.Add(pPSFont);
+ CFX_ByteTextBuf buf;
+ buf << "8 dict begin/FontType 3 def/FontMatrix[1 0 0 1 0 0]def\n"
+ "/FontBBox[0 0 0 0]def/Encoding 256 array def 0 1 255{Encoding "
+ "exch/.notdef put}for\n"
+ "/CharProcs 1 dict def CharProcs begin/.notdef {} def end\n"
+ "/BuildGlyph{1 0 -10 -10 10 10 setcachedevice exch/CharProcs get "
+ "exch 2 copy known not{pop/.notdef}if get exec}bind def\n"
+ "/BuildChar{1 index/Encoding get exch get 1 index/BuildGlyph get "
+ "exec}bind def\n"
+ "currentdict end\n";
+ buf << "/X" << m_PSFontList.GetSize() - 1 << " exch definefont pop\n";
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+ buf.Clear();
+ }
+ ps_fontnum = m_PSFontList.GetSize() - 1;
+ CPSFont* pPSFont = m_PSFontList[ps_fontnum];
+ ps_glyphindex = pPSFont->m_nGlyphs;
+ pPSFont->m_Glyphs[ps_glyphindex].m_GlyphIndex = charpos.m_GlyphIndex;
+ pPSFont->m_Glyphs[ps_glyphindex].m_pFont = pFont;
+ pPSFont->m_Glyphs[ps_glyphindex].m_bGlyphAdjust = charpos.m_bGlyphAdjust;
+ if (charpos.m_bGlyphAdjust) {
+ pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[0] =
+ charpos.m_AdjustMatrix[0];
+ pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[1] =
+ charpos.m_AdjustMatrix[1];
+ pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[2] =
+ charpos.m_AdjustMatrix[2];
+ pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[3] =
+ charpos.m_AdjustMatrix[3];
+ }
+ pPSFont->m_nGlyphs++;
+ CFX_Matrix matrix;
+ if (charpos.m_bGlyphAdjust)
+ matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
+ charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
+ matrix.Concat(1.0f, 0, 0, 1.0f, 0, 0);
+ const CFX_PathData* pPathData = pFaceCache->LoadGlyphPath(
+ pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth);
+ if (!pPathData) {
+ return;
+ }
+ CFX_PathData TransformedPath(*pPathData);
+ if (charpos.m_bGlyphAdjust) {
+ TransformedPath.Transform(&matrix);
+ }
+ CFX_ByteTextBuf buf;
+ buf << "/X" << ps_fontnum << " Ff/CharProcs get begin/" << ps_glyphindex
+ << "{n ";
+ for (int p = 0; p < TransformedPath.GetPointCount(); p++) {
+ FX_FLOAT x = TransformedPath.GetPointX(p), y = TransformedPath.GetPointY(p);
+ switch (TransformedPath.GetFlag(p) & FXPT_TYPE) {
+ case FXPT_MOVETO: {
+ buf << x << " " << y << " m\n";
+ break;
+ }
+ case FXPT_LINETO: {
+ buf << x << " " << y << " l\n";
+ break;
+ }
+ case FXPT_BEZIERTO: {
+ buf << x << " " << y << " " << TransformedPath.GetPointX(p + 1) << " "
+ << TransformedPath.GetPointY(p + 1) << " "
+ << TransformedPath.GetPointX(p + 2) << " "
+ << TransformedPath.GetPointY(p + 2) << " c\n";
+ p += 2;
+ break;
+ }
+ }
+ }
+ buf << "f}bind def end\n";
+ buf << "/X" << ps_fontnum << " Ff/Encoding get " << ps_glyphindex << "/"
+ << ps_glyphindex << " put\n";
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+}
+FX_BOOL CFX_PSRenderer::DrawText(int nChars,
+ const FXTEXT_CHARPOS* pCharPos,
+ CFX_Font* pFont,
+ CFX_FontCache* pCache,
+ const CFX_Matrix* pObject2Device,
+ FX_FLOAT font_size,
+ FX_DWORD color,
+ int alpha_flag,
+ void* pIccTransform) {
+ StartRendering();
+ int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(alpha_flag)
+ : FXARGB_A(color);
+ if (alpha < 255) {
+ return FALSE;
+ }
+ if ((pObject2Device->a == 0 && pObject2Device->b == 0) ||
+ (pObject2Device->c == 0 && pObject2Device->d == 0)) {
+ return TRUE;
+ }
+ SetColor(color, alpha_flag, pIccTransform);
+ CFX_ByteTextBuf buf;
+ buf << "q[" << pObject2Device->a << " " << pObject2Device->b << " "
+ << pObject2Device->c << " " << pObject2Device->d << " "
+ << pObject2Device->e << " " << pObject2Device->f << "]cm\n";
+ if (!pCache) {
+ pCache = CFX_GEModule::Get()->GetFontCache();
+ }
+ CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
+ FX_FONTCACHE_DEFINE(pCache, pFont);
+ int last_fontnum = -1;
+ for (int i = 0; i < nChars; i++) {
+ int ps_fontnum, ps_glyphindex;
+ FindPSFontGlyph(pFaceCache, pFont, pCharPos[i], ps_fontnum, ps_glyphindex);
+ if (last_fontnum != ps_fontnum) {
+ buf << "/X" << ps_fontnum << " Ff " << font_size << " Fs Sf ";
+ last_fontnum = ps_fontnum;
+ }
+ buf << pCharPos[i].m_OriginX << " " << pCharPos[i].m_OriginY << " m";
+ CFX_ByteString hex;
+ hex.Format("<%02X>", ps_glyphindex);
+ buf << hex << "Tj\n";
+ }
+ buf << "Q\n";
+ m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+ return TRUE;
+}
+void CFX_PSRenderer::WritePSBinary(const uint8_t* data, int len) {
+ uint8_t* dest_buf;
+ FX_DWORD dest_size;
+ CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
+ if (pEncoders &&
+ pEncoders->GetBasicModule()->A85Encode(data, len, dest_buf, dest_size)) {
+ m_pOutput->OutputPS((const FX_CHAR*)dest_buf, dest_size);
+ FX_Free(dest_buf);
+ } else {
+ m_pOutput->OutputPS((const FX_CHAR*)data, len);
+ }
+}
diff --git a/core/fxge/ge/fx_ge_text.cpp b/core/fxge/ge/fx_ge_text.cpp
new file mode 100644
index 0000000000..3f001d2f96
--- /dev/null
+++ b/core/fxge/ge/fx_ge_text.cpp
@@ -0,0 +1,1872 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxge/ge/fx_text_int.h"
+#include "core/include/fxcodec/fx_codec.h"
+#include "core/include/fxge/fx_freetype.h"
+#include "core/include/fxge/fx_ge.h"
+
+#undef FX_GAMMA
+#undef FX_GAMMA_INVERSE
+#define FX_GAMMA(value) (value)
+#define FX_GAMMA_INVERSE(value) (value)
+
+namespace {
+
+void ResetTransform(FT_Face face) {
+ FXFT_Matrix matrix;
+ matrix.xx = 0x10000L;
+ matrix.xy = 0;
+ matrix.yx = 0;
+ matrix.yy = 0x10000L;
+ FXFT_Set_Transform(face, &matrix, 0);
+}
+
+// Sets the given transform on the font, and resets it to the identity when it
+// goes out of scope.
+class ScopedFontTransform {
+ public:
+ ScopedFontTransform(FT_Face face, FXFT_Matrix* matrix) : m_Face(face) {
+ FXFT_Set_Transform(m_Face, matrix, 0);
+ }
+
+ ~ScopedFontTransform() { ResetTransform(m_Face); }
+
+ private:
+ FT_Face m_Face;
+};
+
+} // namespace
+
+FX_RECT FXGE_GetGlyphsBBox(FXTEXT_GLYPHPOS* pGlyphAndPos,
+ int nChars,
+ int anti_alias,
+ FX_FLOAT retinaScaleX,
+ FX_FLOAT retinaScaleY) {
+ FX_RECT rect(0, 0, 0, 0);
+ FX_BOOL bStarted = FALSE;
+ for (int iChar = 0; iChar < nChars; iChar++) {
+ FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
+ const CFX_GlyphBitmap* pGlyph = glyph.m_pGlyph;
+ if (!pGlyph) {
+ continue;
+ }
+ int char_left = glyph.m_OriginX + pGlyph->m_Left;
+ int char_width = (int)(pGlyph->m_Bitmap.GetWidth() / retinaScaleX);
+ if (anti_alias == FXFT_RENDER_MODE_LCD) {
+ char_width /= 3;
+ }
+ int char_right = char_left + char_width;
+ int char_top = glyph.m_OriginY - pGlyph->m_Top;
+ int char_bottom =
+ char_top + (int)(pGlyph->m_Bitmap.GetHeight() / retinaScaleY);
+ if (!bStarted) {
+ rect.left = char_left;
+ rect.right = char_right;
+ rect.top = char_top;
+ rect.bottom = char_bottom;
+ bStarted = TRUE;
+ } else {
+ if (rect.left > char_left) {
+ rect.left = char_left;
+ }
+ if (rect.right < char_right) {
+ rect.right = char_right;
+ }
+ if (rect.top > char_top) {
+ rect.top = char_top;
+ }
+ if (rect.bottom < char_bottom) {
+ rect.bottom = char_bottom;
+ }
+ }
+ }
+ return rect;
+}
+static void _AdjustGlyphSpace(FXTEXT_GLYPHPOS* pGlyphAndPos, int nChars) {
+ ASSERT(nChars > 1);
+ FX_BOOL bVertical = FALSE;
+ if (pGlyphAndPos[nChars - 1].m_OriginX == pGlyphAndPos[0].m_OriginX) {
+ bVertical = TRUE;
+ } else if (pGlyphAndPos[nChars - 1].m_OriginY != pGlyphAndPos[0].m_OriginY) {
+ return;
+ }
+ int i = nChars - 1;
+ int* next_origin =
+ bVertical ? &pGlyphAndPos[i].m_OriginY : &pGlyphAndPos[i].m_OriginX;
+ FX_FLOAT next_origin_f =
+ bVertical ? pGlyphAndPos[i].m_fOriginY : pGlyphAndPos[i].m_fOriginX;
+ for (i--; i > 0; i--) {
+ int* this_origin =
+ bVertical ? &pGlyphAndPos[i].m_OriginY : &pGlyphAndPos[i].m_OriginX;
+ FX_FLOAT this_origin_f =
+ bVertical ? pGlyphAndPos[i].m_fOriginY : pGlyphAndPos[i].m_fOriginX;
+ int space = (*next_origin) - (*this_origin);
+ FX_FLOAT space_f = next_origin_f - this_origin_f;
+ FX_FLOAT error =
+ (FX_FLOAT)(FXSYS_fabs(space_f) - FXSYS_fabs((FX_FLOAT)(space)));
+ if (error > 0.5f) {
+ *this_origin += space > 0 ? -1 : 1;
+ }
+ next_origin = this_origin;
+ next_origin_f = this_origin_f;
+ }
+}
+static const uint8_t g_TextGammaAdjust[256] = {
+ 0, 2, 3, 4, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18,
+ 19, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35,
+ 36, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52,
+ 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
+ 68, 69, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,
+ 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98,
+ 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
+ 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128,
+ 129, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
+ 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 156,
+ 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171,
+ 172, 173, 174, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185,
+ 186, 187, 188, 189, 190, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199,
+ 200, 201, 202, 203, 204, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213,
+ 214, 215, 216, 217, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227,
+ 228, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 239, 240,
+ 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 250, 251, 252, 253, 254,
+ 255,
+};
+#define ADJUST_ALPHA(background, foreground, src_alpha, text_flags, a) \
+ src_alpha = g_TextGammaAdjust[(uint8_t)src_alpha];
+void _Color2Argb(FX_ARGB& argb,
+ FX_DWORD color,
+ int alpha_flag,
+ void* pIccTransform) {
+ if (!pIccTransform && !FXGETFLAG_COLORTYPE(alpha_flag)) {
+ argb = color;
+ return;
+ }
+ if (!CFX_GEModule::Get()->GetCodecModule() ||
+ !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
+ pIccTransform = NULL;
+ }
+ uint8_t bgra[4];
+ if (pIccTransform) {
+ ICodec_IccModule* pIccModule =
+ CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
+ color = FXGETFLAG_COLORTYPE(alpha_flag) ? FXCMYK_TODIB(color)
+ : FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(pIccTransform, bgra, (const uint8_t*)&color,
+ 1);
+ bgra[3] = FXGETFLAG_COLORTYPE(alpha_flag)
+ ? (alpha_flag >> 24) ? FXGETFLAG_ALPHA_FILL(alpha_flag)
+ : FXGETFLAG_ALPHA_STROKE(alpha_flag)
+ : FXARGB_A(color);
+ argb = FXARGB_MAKE(bgra[3], bgra[2], bgra[1], bgra[0]);
+ return;
+ }
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
+ FXSYS_GetYValue(color), FXSYS_GetKValue(color), bgra[2],
+ bgra[1], bgra[0]);
+ bgra[3] = (alpha_flag >> 24) ? FXGETFLAG_ALPHA_FILL(alpha_flag)
+ : FXGETFLAG_ALPHA_STROKE(alpha_flag);
+ argb = FXARGB_MAKE(bgra[3], bgra[2], bgra[1], bgra[0]);
+}
+FX_BOOL CFX_RenderDevice::DrawNormalText(int nChars,
+ const FXTEXT_CHARPOS* pCharPos,
+ CFX_Font* pFont,
+ CFX_FontCache* pCache,
+ FX_FLOAT font_size,
+ const CFX_Matrix* pText2Device,
+ FX_DWORD fill_color,
+ FX_DWORD text_flags,
+ int alpha_flag,
+ void* pIccTransform) {
+ int nativetext_flags = text_flags;
+ if (m_DeviceClass != FXDC_DISPLAY) {
+ if (!(text_flags & FXTEXT_PRINTGRAPHICTEXT)) {
+ bool should_call_draw_device_text = true;
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ if ((text_flags & FXFONT_CIDFONT) ||
+ (pFont->GetPsName().Find(CFX_WideString::FromLocal("+ZJHL")) != -1) ||
+ (pFont->GetPsName() == CFX_WideString::FromLocal("CNAAJI+cmex10"))) {
+ should_call_draw_device_text = false;
+ }
+#endif
+ if (should_call_draw_device_text &&
+ m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache,
+ pText2Device, font_size, fill_color,
+ alpha_flag, pIccTransform)) {
+ return TRUE;
+ }
+ }
+ int alpha = FXGETFLAG_COLORTYPE(alpha_flag)
+ ? FXGETFLAG_ALPHA_FILL(alpha_flag)
+ : FXARGB_A(fill_color);
+ if (alpha < 255) {
+ return FALSE;
+ }
+ } else if (!(text_flags & FXTEXT_NO_NATIVETEXT)) {
+ bool should_call_draw_device_text = true;
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ if ((text_flags & FXFONT_CIDFONT) ||
+ (pFont->GetPsName() == CFX_WideString::FromLocal("CNAAJI+cmex10"))) {
+ should_call_draw_device_text = false;
+ }
+#endif
+ if (should_call_draw_device_text &&
+ m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache,
+ pText2Device, font_size, fill_color,
+ alpha_flag, pIccTransform)) {
+ return TRUE;
+ }
+ }
+ CFX_Matrix char2device, deviceCtm, text2Device;
+ if (pText2Device) {
+ char2device = *pText2Device;
+ text2Device = *pText2Device;
+ }
+ char2device.Scale(font_size, -font_size);
+ if (FXSYS_fabs(char2device.a) + FXSYS_fabs(char2device.b) > 50 * 1.0f ||
+ ((m_DeviceClass == FXDC_PRINTER && !m_pDeviceDriver->IsPSPrintDriver()) &&
+ !(text_flags & FXTEXT_PRINTIMAGETEXT))) {
+ if (pFont->GetFace() ||
+ (pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_GLYPHPATH)) {
+ int nPathFlags =
+ (text_flags & FXTEXT_NOSMOOTH) == 0 ? 0 : FXFILL_NOPATHSMOOTH;
+ return DrawTextPath(nChars, pCharPos, pFont, pCache, font_size,
+ pText2Device, NULL, NULL, fill_color, 0, NULL,
+ nPathFlags, alpha_flag, pIccTransform);
+ }
+ }
+ int anti_alias = FXFT_RENDER_MODE_MONO;
+ FX_BOOL bNormal = FALSE;
+ if ((text_flags & FXTEXT_NOSMOOTH) == 0) {
+ if (m_DeviceClass == FXDC_DISPLAY && m_bpp > 1) {
+ FX_BOOL bClearType;
+ if (!pFont->GetFace() &&
+ !(pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_CLEARTYPE)) {
+ bClearType = FALSE;
+ } else {
+ bClearType = text_flags & FXTEXT_CLEARTYPE;
+ }
+ if ((m_RenderCaps & (FXRC_ALPHA_OUTPUT | FXRC_CMYK_OUTPUT))) {
+ anti_alias = FXFT_RENDER_MODE_LCD;
+ bNormal = TRUE;
+ } else if (m_bpp < 16) {
+ anti_alias = FXFT_RENDER_MODE_NORMAL;
+ } else {
+ if (bClearType == FALSE) {
+ anti_alias = FXFT_RENDER_MODE_LCD;
+ bNormal = TRUE;
+ } else {
+ anti_alias = FXFT_RENDER_MODE_LCD;
+ }
+ }
+ }
+ }
+ if (!pCache) {
+ pCache = CFX_GEModule::Get()->GetFontCache();
+ }
+ CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
+ FX_FONTCACHE_DEFINE(pCache, pFont);
+ FXTEXT_GLYPHPOS* pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, nChars);
+ int iChar;
+ deviceCtm = char2device;
+ CFX_Matrix matrixCTM = GetCTM();
+ FX_FLOAT scale_x = FXSYS_fabs(matrixCTM.a);
+ FX_FLOAT scale_y = FXSYS_fabs(matrixCTM.d);
+ deviceCtm.Concat(scale_x, 0, 0, scale_y, 0, 0);
+ text2Device.Concat(scale_x, 0, 0, scale_y, 0, 0);
+ for (iChar = 0; iChar < nChars; iChar++) {
+ FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
+ const FXTEXT_CHARPOS& charpos = pCharPos[iChar];
+ glyph.m_fOriginX = charpos.m_OriginX;
+ glyph.m_fOriginY = charpos.m_OriginY;
+ text2Device.Transform(glyph.m_fOriginX, glyph.m_fOriginY);
+ if (anti_alias < FXFT_RENDER_MODE_LCD) {
+ glyph.m_OriginX = FXSYS_round(glyph.m_fOriginX);
+ } else {
+ glyph.m_OriginX = (int)FXSYS_floor(glyph.m_fOriginX);
+ }
+ glyph.m_OriginY = FXSYS_round(glyph.m_fOriginY);
+ if (charpos.m_bGlyphAdjust) {
+ CFX_Matrix new_matrix(
+ charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
+ charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
+ new_matrix.Concat(deviceCtm);
+ glyph.m_pGlyph = pFaceCache->LoadGlyphBitmap(
+ pFont, charpos.m_GlyphIndex, charpos.m_bFontStyle, &new_matrix,
+ charpos.m_FontCharWidth, anti_alias, nativetext_flags);
+ } else {
+ glyph.m_pGlyph = pFaceCache->LoadGlyphBitmap(
+ pFont, charpos.m_GlyphIndex, charpos.m_bFontStyle, &deviceCtm,
+ charpos.m_FontCharWidth, anti_alias, nativetext_flags);
+ }
+ }
+ if (anti_alias < FXFT_RENDER_MODE_LCD && nChars > 1) {
+ _AdjustGlyphSpace(pGlyphAndPos, nChars);
+ }
+ FX_RECT bmp_rect1 = FXGE_GetGlyphsBBox(pGlyphAndPos, nChars, anti_alias);
+ if (scale_x > 1 && scale_y > 1) {
+ bmp_rect1.left--;
+ bmp_rect1.top--;
+ bmp_rect1.right++;
+ bmp_rect1.bottom++;
+ }
+ FX_RECT bmp_rect(FXSYS_round((FX_FLOAT)(bmp_rect1.left) / scale_x),
+ FXSYS_round((FX_FLOAT)(bmp_rect1.top) / scale_y),
+ FXSYS_round((FX_FLOAT)bmp_rect1.right / scale_x),
+ FXSYS_round((FX_FLOAT)bmp_rect1.bottom / scale_y));
+ bmp_rect.Intersect(m_ClipBox);
+ if (bmp_rect.IsEmpty()) {
+ FX_Free(pGlyphAndPos);
+ return TRUE;
+ }
+ int pixel_width = FXSYS_round(bmp_rect.Width() * scale_x);
+ int pixel_height = FXSYS_round(bmp_rect.Height() * scale_y);
+ int pixel_left = FXSYS_round(bmp_rect.left * scale_x);
+ int pixel_top = FXSYS_round(bmp_rect.top * scale_y);
+ if (anti_alias == FXFT_RENDER_MODE_MONO) {
+ CFX_DIBitmap bitmap;
+ if (!bitmap.Create(pixel_width, pixel_height, FXDIB_1bppMask)) {
+ FX_Free(pGlyphAndPos);
+ return FALSE;
+ }
+ bitmap.Clear(0);
+ for (iChar = 0; iChar < nChars; iChar++) {
+ FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
+ if (!glyph.m_pGlyph) {
+ continue;
+ }
+ const CFX_DIBitmap* pGlyph = &glyph.m_pGlyph->m_Bitmap;
+ bitmap.TransferBitmap(
+ glyph.m_OriginX + glyph.m_pGlyph->m_Left - pixel_left,
+ glyph.m_OriginY - glyph.m_pGlyph->m_Top - pixel_top,
+ pGlyph->GetWidth(), pGlyph->GetHeight(), pGlyph, 0, 0);
+ }
+ FX_Free(pGlyphAndPos);
+ return SetBitMask(&bitmap, bmp_rect.left, bmp_rect.top, fill_color);
+ }
+ CFX_DIBitmap bitmap;
+ if (m_bpp == 8) {
+ if (!bitmap.Create(pixel_width, pixel_height, FXDIB_8bppMask)) {
+ FX_Free(pGlyphAndPos);
+ return FALSE;
+ }
+ } else {
+ if (!CreateCompatibleBitmap(&bitmap, pixel_width, pixel_height)) {
+ FX_Free(pGlyphAndPos);
+ return FALSE;
+ }
+ }
+ if (!bitmap.HasAlpha() && !bitmap.IsAlphaMask()) {
+ bitmap.Clear(0xFFFFFFFF);
+ if (!GetDIBits(&bitmap, bmp_rect.left, bmp_rect.top)) {
+ FX_Free(pGlyphAndPos);
+ return FALSE;
+ }
+ } else {
+ bitmap.Clear(0);
+ if (bitmap.m_pAlphaMask) {
+ bitmap.m_pAlphaMask->Clear(0);
+ }
+ }
+ int dest_width = pixel_width;
+ uint8_t* dest_buf = bitmap.GetBuffer();
+ int dest_pitch = bitmap.GetPitch();
+ int Bpp = bitmap.GetBPP() / 8;
+ int a, r, g, b;
+ if (anti_alias == FXFT_RENDER_MODE_LCD) {
+ _Color2Argb(fill_color, fill_color, alpha_flag | (1 << 24), pIccTransform);
+ ArgbDecode(fill_color, a, r, g, b);
+ r = FX_GAMMA(r);
+ g = FX_GAMMA(g);
+ b = FX_GAMMA(b);
+ }
+ for (iChar = 0; iChar < nChars; iChar++) {
+ FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
+ if (!glyph.m_pGlyph) {
+ continue;
+ }
+ const CFX_DIBitmap* pGlyph = &glyph.m_pGlyph->m_Bitmap;
+ int left = glyph.m_OriginX + glyph.m_pGlyph->m_Left - pixel_left;
+ int top = glyph.m_OriginY - glyph.m_pGlyph->m_Top - pixel_top;
+ int ncols = pGlyph->GetWidth();
+ int nrows = pGlyph->GetHeight();
+ if (anti_alias == FXFT_RENDER_MODE_NORMAL) {
+ if (!bitmap.CompositeMask(left, top, ncols, nrows, pGlyph, fill_color, 0,
+ 0, FXDIB_BLEND_NORMAL, NULL, FALSE, alpha_flag,
+ pIccTransform)) {
+ FX_Free(pGlyphAndPos);
+ return FALSE;
+ }
+ continue;
+ }
+ FX_BOOL bBGRStripe = text_flags & FXTEXT_BGR_STRIPE;
+ ncols /= 3;
+ int x_subpixel = (int)(glyph.m_fOriginX * 3) % 3;
+ uint8_t* src_buf = pGlyph->GetBuffer();
+ int src_pitch = pGlyph->GetPitch();
+ int start_col = left;
+ if (start_col < 0) {
+ start_col = 0;
+ }
+ int end_col = left + ncols;
+ if (end_col > dest_width) {
+ end_col = dest_width;
+ }
+ if (start_col >= end_col) {
+ continue;
+ }
+ if (bitmap.GetFormat() == FXDIB_Argb) {
+ for (int row = 0; row < nrows; row++) {
+ int dest_row = row + top;
+ if (dest_row < 0 || dest_row >= bitmap.GetHeight()) {
+ continue;
+ }
+ uint8_t* src_scan = src_buf + row * src_pitch + (start_col - left) * 3;
+ uint8_t* dest_scan =
+ dest_buf + dest_row * dest_pitch + (start_col << 2);
+ if (bBGRStripe) {
+ if (x_subpixel == 0) {
+ for (int col = start_col; col < end_col; col++) {
+ int src_alpha = src_scan[2];
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[1];
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[0];
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ } else if (x_subpixel == 1) {
+ int src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ if (start_col > left) {
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ }
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ for (int col = start_col + 1; col < end_col - 1; col++) {
+ int src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ } else {
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ if (start_col > left) {
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[-2];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ }
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ for (int col = start_col + 1; col < end_col - 1; col++) {
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[-2];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ }
+ } else {
+ if (x_subpixel == 0) {
+ for (int col = start_col; col < end_col; col++) {
+ if (bNormal) {
+ int src_alpha1 = (src_scan[0] + src_scan[1] + src_scan[2]) / 3;
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ uint8_t back_alpha = dest_scan[3];
+ if (back_alpha == 0) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
+ dest_scan += 4;
+ src_scan += 3;
+ continue;
+ }
+ if (src_alpha1 == 0) {
+ dest_scan += 4;
+ src_scan += 3;
+ continue;
+ }
+ uint8_t dest_alpha =
+ back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha1 * 255 / dest_alpha;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio));
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio));
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio));
+ dest_scan += 4;
+ src_scan += 3;
+ continue;
+ }
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[2];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ } else if (x_subpixel == 1) {
+ if (bNormal) {
+ int src_alpha1 =
+ start_col > left
+ ? ((src_scan[-1] + src_scan[0] + src_scan[1]) / 3)
+ : ((src_scan[0] + src_scan[1]) / 3);
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ if (src_alpha1 == 0) {
+ dest_scan += 4;
+ src_scan += 3;
+ } else {
+ uint8_t back_alpha = dest_scan[3];
+ if (back_alpha == 0) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
+ } else {
+ uint8_t dest_alpha =
+ back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha1 * 255 / dest_alpha;
+ dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
+ FX_GAMMA(dest_scan[2]), r, alpha_ratio));
+ dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
+ FX_GAMMA(dest_scan[1]), g, alpha_ratio));
+ dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
+ FX_GAMMA(dest_scan[0]), b, alpha_ratio));
+ }
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ } else {
+ if (start_col > left) {
+ int src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ }
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ for (int col = start_col + 1; col < end_col; col++) {
+ if (bNormal) {
+ int src_alpha1 = (src_scan[-1] + src_scan[0] + src_scan[1]) / 3;
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ uint8_t back_alpha = dest_scan[3];
+ if (back_alpha == 0) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
+ dest_scan += 4;
+ src_scan += 3;
+ continue;
+ }
+ if (src_alpha1 == 0) {
+ dest_scan += 4;
+ src_scan += 3;
+ continue;
+ }
+ uint8_t dest_alpha =
+ back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha1 * 255 / dest_alpha;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio));
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio));
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio));
+ dest_scan += 4;
+ src_scan += 3;
+ continue;
+ }
+ int src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ } else {
+ if (bNormal) {
+ int src_alpha1 =
+ start_col > left
+ ? ((src_scan[-2] + src_scan[-1] + src_scan[0]) / 3)
+ : ((src_scan[0]) / 3);
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ if (src_alpha1 == 0) {
+ dest_scan += 4;
+ src_scan += 3;
+ } else {
+ uint8_t back_alpha = dest_scan[3];
+ if (back_alpha == 0) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
+ } else {
+ uint8_t dest_alpha =
+ back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha1 * 255 / dest_alpha;
+ dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
+ FX_GAMMA(dest_scan[2]), r, alpha_ratio));
+ dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
+ FX_GAMMA(dest_scan[1]), g, alpha_ratio));
+ dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
+ FX_GAMMA(dest_scan[0]), b, alpha_ratio));
+ }
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ } else {
+ if (start_col > left) {
+ int src_alpha = src_scan[-2];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ }
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ for (int col = start_col + 1; col < end_col; col++) {
+ if (bNormal) {
+ int src_alpha1 =
+ (src_scan[-2] + src_scan[-1] + src_scan[0]) / 3;
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ uint8_t back_alpha = dest_scan[3];
+ if (back_alpha == 0) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
+ dest_scan += 4;
+ src_scan += 3;
+ continue;
+ }
+ if (src_alpha1 == 0) {
+ dest_scan += 4;
+ src_scan += 3;
+ continue;
+ }
+ uint8_t dest_alpha =
+ back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha1 * 255 / dest_alpha;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio));
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio));
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio));
+ dest_scan += 4;
+ src_scan += 3;
+ continue;
+ }
+ int src_alpha = src_scan[-2];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan[3] = 255;
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ }
+ }
+ }
+ } else {
+ for (int row = 0; row < nrows; row++) {
+ int dest_row = row + top;
+ if (dest_row < 0 || dest_row >= bitmap.GetHeight()) {
+ continue;
+ }
+ uint8_t* src_scan = src_buf + row * src_pitch + (start_col - left) * 3;
+ uint8_t* dest_scan = dest_buf + dest_row * dest_pitch + start_col * Bpp;
+ if (bBGRStripe) {
+ if (x_subpixel == 0) {
+ for (int col = start_col; col < end_col; col++) {
+ int src_alpha = src_scan[2];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan += Bpp;
+ src_scan += 3;
+ }
+ } else if (x_subpixel == 1) {
+ int src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ if (start_col > left) {
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ }
+ dest_scan += Bpp;
+ src_scan += 3;
+ for (int col = start_col + 1; col < end_col - 1; col++) {
+ int src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan += Bpp;
+ src_scan += 3;
+ }
+ } else {
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ if (start_col > left) {
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[-2];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ }
+ dest_scan += Bpp;
+ src_scan += 3;
+ for (int col = start_col + 1; col < end_col - 1; col++) {
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[-2];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan += Bpp;
+ src_scan += 3;
+ }
+ }
+ } else {
+ if (x_subpixel == 0) {
+ for (int col = start_col; col < end_col; col++) {
+ if (bNormal) {
+ int src_alpha1 = (src_scan[0] + src_scan[1] + src_scan[2]) / 3;
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ if (src_alpha1 == 0) {
+ dest_scan += Bpp;
+ src_scan += 3;
+ continue;
+ }
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
+ dest_scan += Bpp;
+ src_scan += 3;
+ continue;
+ }
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[2];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan += Bpp;
+ src_scan += 3;
+ }
+ } else if (x_subpixel == 1) {
+ if (bNormal) {
+ int src_alpha1 =
+ start_col > left
+ ? (src_scan[0] + src_scan[1] + src_scan[-1]) / 3
+ : (src_scan[0] + src_scan[1]) / 3;
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
+ dest_scan += Bpp;
+ src_scan += 3;
+ } else {
+ if (start_col > left) {
+ int src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ }
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan += Bpp;
+ src_scan += 3;
+ }
+ for (int col = start_col + 1; col < end_col; col++) {
+ if (bNormal) {
+ int src_alpha1 = (src_scan[0] + src_scan[1] + src_scan[-1]) / 3;
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ if (src_alpha1 == 0) {
+ dest_scan += Bpp;
+ src_scan += 3;
+ continue;
+ }
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
+ dest_scan += Bpp;
+ src_scan += 3;
+ continue;
+ }
+ int src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[1];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan += Bpp;
+ src_scan += 3;
+ }
+ } else {
+ if (bNormal) {
+ int src_alpha1 =
+ start_col > left
+ ? (src_scan[0] + src_scan[-2] + src_scan[-1]) / 3
+ : src_scan[0] / 3;
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
+ dest_scan += Bpp;
+ src_scan += 3;
+ } else {
+ if (start_col > left) {
+ int src_alpha = src_scan[-2];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ }
+ int src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan += Bpp;
+ src_scan += 3;
+ }
+ for (int col = start_col + 1; col < end_col; col++) {
+ if (bNormal) {
+ int src_alpha1 = ((int)(src_scan[0]) + (int)(src_scan[-2]) +
+ (int)(src_scan[-1])) /
+ 3;
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
+ src_alpha1 = src_alpha1 * a / 255;
+ if (src_alpha1 == 0) {
+ dest_scan += Bpp;
+ src_scan += 3;
+ continue;
+ }
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
+ dest_scan += Bpp;
+ src_scan += 3;
+ continue;
+ }
+ int src_alpha = src_scan[-2];
+ ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[2] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
+ src_alpha = src_scan[-1];
+ ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[1] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
+ src_alpha = src_scan[0];
+ ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
+ src_alpha = src_alpha * a / 255;
+ dest_scan[0] = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
+ dest_scan += Bpp;
+ src_scan += 3;
+ }
+ }
+ }
+ }
+ }
+ }
+ if (bitmap.IsAlphaMask()) {
+ SetBitMask(&bitmap, bmp_rect.left, bmp_rect.top, fill_color, alpha_flag,
+ pIccTransform);
+ } else {
+ SetDIBits(&bitmap, bmp_rect.left, bmp_rect.top);
+ }
+ FX_Free(pGlyphAndPos);
+ return TRUE;
+}
+FX_BOOL CFX_RenderDevice::DrawTextPath(int nChars,
+ const FXTEXT_CHARPOS* pCharPos,
+ CFX_Font* pFont,
+ CFX_FontCache* pCache,
+ FX_FLOAT font_size,
+ const CFX_Matrix* pText2User,
+ const CFX_Matrix* pUser2Device,
+ const CFX_GraphStateData* pGraphState,
+ FX_DWORD fill_color,
+ FX_ARGB stroke_color,
+ CFX_PathData* pClippingPath,
+ int nFlag,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) {
+ if (!pCache) {
+ pCache = CFX_GEModule::Get()->GetFontCache();
+ }
+ CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
+ FX_FONTCACHE_DEFINE(pCache, pFont);
+ for (int iChar = 0; iChar < nChars; iChar++) {
+ const FXTEXT_CHARPOS& charpos = pCharPos[iChar];
+ CFX_Matrix matrix;
+ if (charpos.m_bGlyphAdjust)
+ matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
+ charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
+ matrix.Concat(font_size, 0, 0, font_size, charpos.m_OriginX,
+ charpos.m_OriginY);
+ const CFX_PathData* pPath = pFaceCache->LoadGlyphPath(
+ pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth);
+ if (!pPath) {
+ continue;
+ }
+ matrix.Concat(*pText2User);
+ CFX_PathData TransformedPath(*pPath);
+ TransformedPath.Transform(&matrix);
+ FX_BOOL bHasAlpha = FXGETFLAG_COLORTYPE(alpha_flag)
+ ? (FXGETFLAG_ALPHA_FILL(alpha_flag) ||
+ FXGETFLAG_ALPHA_STROKE(alpha_flag))
+ : (fill_color || stroke_color);
+ if (bHasAlpha) {
+ int fill_mode = nFlag;
+ if (FXGETFLAG_COLORTYPE(alpha_flag)) {
+ if (FXGETFLAG_ALPHA_FILL(alpha_flag)) {
+ fill_mode |= FXFILL_WINDING;
+ }
+ } else {
+ if (fill_color) {
+ fill_mode |= FXFILL_WINDING;
+ }
+ }
+ fill_mode |= FX_FILL_TEXT_MODE;
+ if (!DrawPath(&TransformedPath, pUser2Device, pGraphState, fill_color,
+ stroke_color, fill_mode, alpha_flag, pIccTransform,
+ blend_type)) {
+ return FALSE;
+ }
+ }
+ if (pClippingPath) {
+ pClippingPath->Append(&TransformedPath, pUser2Device);
+ }
+ }
+ return TRUE;
+}
+
+CFX_FontCache::CFX_FontCache() {}
+
+CFX_FontCache::~CFX_FontCache() {
+ FreeCache(TRUE);
+}
+
+CFX_FaceCache* CFX_FontCache::GetCachedFace(CFX_Font* pFont) {
+ FXFT_Face internal_face = pFont->GetFace();
+ const bool bExternal = !internal_face;
+ FXFT_Face face =
+ bExternal ? (FXFT_Face)pFont->GetSubstFont()->m_ExtHandle : internal_face;
+ CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap;
+ auto it = map.find(face);
+ if (it != map.end()) {
+ CFX_CountedFaceCache* counted_face_cache = it->second;
+ counted_face_cache->m_nCount++;
+ return counted_face_cache->m_Obj;
+ }
+
+ CFX_FaceCache* face_cache = new CFX_FaceCache(bExternal ? nullptr : face);
+ CFX_CountedFaceCache* counted_face_cache = new CFX_CountedFaceCache;
+ counted_face_cache->m_nCount = 2;
+ counted_face_cache->m_Obj = face_cache;
+ map[face] = counted_face_cache;
+ return face_cache;
+}
+
+void CFX_FontCache::ReleaseCachedFace(CFX_Font* pFont) {
+ FXFT_Face internal_face = pFont->GetFace();
+ const bool bExternal = !internal_face;
+ FXFT_Face face =
+ bExternal ? (FXFT_Face)pFont->GetSubstFont()->m_ExtHandle : internal_face;
+ CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap;
+
+ auto it = map.find(face);
+ if (it == map.end())
+ return;
+
+ CFX_CountedFaceCache* counted_face_cache = it->second;
+ if (counted_face_cache->m_nCount > 1) {
+ counted_face_cache->m_nCount--;
+ }
+}
+
+void CFX_FontCache::FreeCache(FX_BOOL bRelease) {
+ for (auto it = m_FTFaceMap.begin(); it != m_FTFaceMap.end();) {
+ auto curr_it = it++;
+ CFX_CountedFaceCache* cache = curr_it->second;
+ if (bRelease || cache->m_nCount < 2) {
+ delete cache->m_Obj;
+ delete cache;
+ m_FTFaceMap.erase(curr_it);
+ }
+ }
+
+ for (auto it = m_ExtFaceMap.begin(); it != m_ExtFaceMap.end();) {
+ auto curr_it = it++;
+ CFX_CountedFaceCache* cache = curr_it->second;
+ if (bRelease || cache->m_nCount < 2) {
+ delete cache->m_Obj;
+ delete cache;
+ m_ExtFaceMap.erase(curr_it);
+ }
+ }
+}
+
+CFX_FaceCache::CFX_FaceCache(FXFT_Face face) : m_Face(face) {}
+
+CFX_FaceCache::~CFX_FaceCache() {
+ for (const auto& pair : m_SizeMap) {
+ delete pair.second;
+ }
+ m_SizeMap.clear();
+ for (const auto& pair : m_PathMap) {
+ delete pair.second;
+ }
+ m_PathMap.clear();
+}
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+void CFX_FaceCache::InitPlatform() {}
+#endif
+CFX_GlyphBitmap* CFX_FaceCache::LookUpGlyphBitmap(
+ CFX_Font* pFont,
+ const CFX_Matrix* pMatrix,
+ CFX_ByteStringC& FaceGlyphsKey,
+ FX_DWORD glyph_index,
+ FX_BOOL bFontStyle,
+ int dest_width,
+ int anti_alias) {
+ CFX_SizeGlyphCache* pSizeCache;
+ auto it = m_SizeMap.find(FaceGlyphsKey);
+ if (it == m_SizeMap.end()) {
+ pSizeCache = new CFX_SizeGlyphCache;
+ m_SizeMap[FaceGlyphsKey] = pSizeCache;
+ } else {
+ pSizeCache = it->second;
+ }
+ auto it2 = pSizeCache->m_GlyphMap.find(glyph_index);
+ if (it2 != pSizeCache->m_GlyphMap.end())
+ return it2->second;
+
+ CFX_GlyphBitmap* pGlyphBitmap = RenderGlyph(pFont, glyph_index, bFontStyle,
+ pMatrix, dest_width, anti_alias);
+ if (!pGlyphBitmap)
+ return nullptr;
+
+ pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
+ return pGlyphBitmap;
+}
+const CFX_GlyphBitmap* CFX_FaceCache::LoadGlyphBitmap(CFX_Font* pFont,
+ FX_DWORD glyph_index,
+ FX_BOOL bFontStyle,
+ const CFX_Matrix* pMatrix,
+ int dest_width,
+ int anti_alias,
+ int& text_flags) {
+ if (glyph_index == (FX_DWORD)-1) {
+ return NULL;
+ }
+ _CFX_UniqueKeyGen keygen;
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+ if (pFont->GetSubstFont())
+ keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
+ (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
+ dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
+ pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical());
+ else
+ keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
+ (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
+ dest_width, anti_alias);
+#else
+ if (text_flags & FXTEXT_NO_NATIVETEXT) {
+ if (pFont->GetSubstFont())
+ keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
+ (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
+ dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
+ pFont->GetSubstFont()->m_ItalicAngle,
+ pFont->IsVertical());
+ else
+ keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
+ (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
+ dest_width, anti_alias);
+ } else {
+ if (pFont->GetSubstFont())
+ keygen.Generate(10, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
+ (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
+ dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
+ pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical(),
+ 3);
+ else
+ keygen.Generate(7, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
+ (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
+ dest_width, anti_alias, 3);
+ }
+#endif
+ CFX_ByteStringC FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen);
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+ return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
+ bFontStyle, dest_width, anti_alias);
+#else
+ if (text_flags & FXTEXT_NO_NATIVETEXT) {
+ return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
+ bFontStyle, dest_width, anti_alias);
+ }
+ CFX_GlyphBitmap* pGlyphBitmap;
+ auto it = m_SizeMap.find(FaceGlyphsKey);
+ if (it != m_SizeMap.end()) {
+ CFX_SizeGlyphCache* pSizeCache = it->second;
+ auto it2 = pSizeCache->m_GlyphMap.find(glyph_index);
+ if (it2 != pSizeCache->m_GlyphMap.end())
+ return it2->second;
+
+ pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix,
+ dest_width, anti_alias);
+ if (pGlyphBitmap) {
+ pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
+ return pGlyphBitmap;
+ }
+ } else {
+ pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix,
+ dest_width, anti_alias);
+ if (pGlyphBitmap) {
+ CFX_SizeGlyphCache* pSizeCache = new CFX_SizeGlyphCache;
+ m_SizeMap[FaceGlyphsKey] = pSizeCache;
+ pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
+ return pGlyphBitmap;
+ }
+ }
+ if (pFont->GetSubstFont())
+ keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
+ (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
+ dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
+ pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical());
+ else
+ keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
+ (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
+ dest_width, anti_alias);
+ CFX_ByteStringC FaceGlyphsKey2(keygen.m_Key, keygen.m_KeyLen);
+ text_flags |= FXTEXT_NO_NATIVETEXT;
+ return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey2, glyph_index,
+ bFontStyle, dest_width, anti_alias);
+#endif
+}
+CFX_SizeGlyphCache::~CFX_SizeGlyphCache() {
+ for (const auto& pair : m_GlyphMap) {
+ delete pair.second;
+ }
+ m_GlyphMap.clear();
+}
+#define CONTRAST_RAMP_STEP 1
+void CFX_Font::AdjustMMParams(int glyph_index, int dest_width, int weight) {
+ FXFT_MM_Var pMasters = NULL;
+ FXFT_Get_MM_Var(m_Face, &pMasters);
+ if (!pMasters) {
+ return;
+ }
+ long coords[2];
+ if (weight == 0) {
+ coords[0] = FXFT_Get_MM_Axis_Def(FXFT_Get_MM_Axis(pMasters, 0)) / 65536;
+ } else {
+ coords[0] = weight;
+ }
+ if (dest_width == 0) {
+ coords[1] = FXFT_Get_MM_Axis_Def(FXFT_Get_MM_Axis(pMasters, 1)) / 65536;
+ } else {
+ int min_param = FXFT_Get_MM_Axis_Min(FXFT_Get_MM_Axis(pMasters, 1)) / 65536;
+ int max_param = FXFT_Get_MM_Axis_Max(FXFT_Get_MM_Axis(pMasters, 1)) / 65536;
+ coords[1] = min_param;
+ (void)FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
+ (void)FXFT_Load_Glyph(
+ m_Face, glyph_index,
+ FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
+ int min_width = FXFT_Get_Glyph_HoriAdvance(m_Face) * 1000 /
+ FXFT_Get_Face_UnitsPerEM(m_Face);
+ coords[1] = max_param;
+ (void)FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
+ (void)FXFT_Load_Glyph(
+ m_Face, glyph_index,
+ FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
+ int max_width = FXFT_Get_Glyph_HoriAdvance(m_Face) * 1000 /
+ FXFT_Get_Face_UnitsPerEM(m_Face);
+ if (max_width == min_width) {
+ FXFT_Free(m_Face, pMasters);
+ return;
+ }
+ int param = min_param +
+ (max_param - min_param) * (dest_width - min_width) /
+ (max_width - min_width);
+ coords[1] = param;
+ }
+ FXFT_Free(m_Face, pMasters);
+ FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
+}
+static const size_t ANGLESKEW_ARRAY_SIZE = 30;
+static const char g_AngleSkew[ANGLESKEW_ARRAY_SIZE] = {
+ 0, 2, 3, 5, 7, 9, 11, 12, 14, 16, 18, 19, 21, 23, 25,
+ 27, 29, 31, 32, 34, 36, 38, 40, 42, 45, 47, 49, 51, 53, 55,
+};
+static const size_t WEIGHTPOW_ARRAY_SIZE = 100;
+static const uint8_t g_WeightPow[WEIGHTPOW_ARRAY_SIZE] = {
+ 0, 3, 6, 7, 8, 9, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22,
+ 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 35, 36, 36, 37,
+ 37, 37, 38, 38, 38, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42,
+ 42, 43, 43, 43, 44, 44, 44, 44, 45, 45, 45, 45, 46, 46, 46, 46, 47,
+ 47, 47, 47, 48, 48, 48, 48, 48, 49, 49, 49, 49, 50, 50, 50, 50, 50,
+ 51, 51, 51, 51, 51, 52, 52, 52, 52, 52, 53, 53, 53, 53, 53,
+};
+static const uint8_t g_WeightPow_11[WEIGHTPOW_ARRAY_SIZE] = {
+ 0, 4, 7, 8, 9, 10, 12, 13, 15, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 26, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 39, 40, 40, 41,
+ 41, 41, 42, 42, 42, 43, 43, 43, 44, 44, 44, 45, 45, 45, 46, 46, 46,
+ 46, 43, 47, 47, 48, 48, 48, 48, 45, 50, 50, 50, 46, 51, 51, 51, 52,
+ 52, 52, 52, 53, 53, 53, 53, 53, 54, 54, 54, 54, 55, 55, 55, 55, 55,
+ 56, 56, 56, 56, 56, 57, 57, 57, 57, 57, 58, 58, 58, 58, 58,
+};
+static const uint8_t g_WeightPow_SHIFTJIS[WEIGHTPOW_ARRAY_SIZE] = {
+ 0, 0, 1, 2, 3, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 21,
+ 22, 24, 26, 28, 30, 32, 33, 35, 37, 39, 41, 43, 45, 48, 48, 48, 48,
+ 49, 49, 49, 50, 50, 50, 50, 51, 51, 51, 51, 52, 52, 52, 52, 52, 53,
+ 53, 53, 53, 53, 54, 54, 54, 54, 54, 55, 55, 55, 55, 55, 56, 56, 56,
+ 56, 56, 56, 57, 57, 57, 57, 57, 57, 57, 58, 58, 58, 58, 58, 58, 58,
+ 59, 59, 59, 59, 59, 59, 59, 60, 60, 60, 60, 60, 60, 60, 60,
+};
+static void _GammaAdjust(uint8_t* pData,
+ int nWid,
+ int nHei,
+ int src_pitch,
+ const uint8_t* gammaTable) {
+ int count = nHei * src_pitch;
+ for (int i = 0; i < count; i++) {
+ pData[i] = gammaTable[pData[i]];
+ }
+}
+static void _ContrastAdjust(uint8_t* pDataIn,
+ uint8_t* pDataOut,
+ int nWid,
+ int nHei,
+ int nSrcRowBytes,
+ int nDstRowBytes) {
+ int col, row, temp;
+ int max = 0, min = 255;
+ FX_FLOAT rate;
+ for (row = 0; row < nHei; row++) {
+ uint8_t* pRow = pDataIn + row * nSrcRowBytes;
+ for (col = 0; col < nWid; col++) {
+ temp = *pRow++;
+ if (temp > max) {
+ max = temp;
+ }
+ if (temp < min) {
+ min = temp;
+ }
+ }
+ }
+ temp = max - min;
+ if (0 == temp || 255 == temp) {
+ int rowbytes = FXSYS_abs(nSrcRowBytes) > nDstRowBytes
+ ? nDstRowBytes
+ : FXSYS_abs(nSrcRowBytes);
+ for (row = 0; row < nHei; row++) {
+ FXSYS_memcpy(pDataOut + row * nDstRowBytes, pDataIn + row * nSrcRowBytes,
+ rowbytes);
+ }
+ return;
+ }
+ rate = 255.f / temp;
+ for (row = 0; row < nHei; row++) {
+ uint8_t* pSrcRow = pDataIn + row * nSrcRowBytes;
+ uint8_t* pDstRow = pDataOut + row * nDstRowBytes;
+ for (col = 0; col < nWid; col++) {
+ temp = (int)((*(pSrcRow++) - min) * rate + 0.5);
+ if (temp > 255) {
+ temp = 255;
+ } else if (temp < 0) {
+ temp = 0;
+ }
+ *pDstRow++ = (uint8_t)temp;
+ }
+ }
+}
+CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph(CFX_Font* pFont,
+ FX_DWORD glyph_index,
+ FX_BOOL bFontStyle,
+ const CFX_Matrix* pMatrix,
+ int dest_width,
+ int anti_alias) {
+ if (!m_Face) {
+ return NULL;
+ }
+ FXFT_Matrix ft_matrix;
+ ft_matrix.xx = (signed long)(pMatrix->GetA() / 64 * 65536);
+ ft_matrix.xy = (signed long)(pMatrix->GetC() / 64 * 65536);
+ ft_matrix.yx = (signed long)(pMatrix->GetB() / 64 * 65536);
+ ft_matrix.yy = (signed long)(pMatrix->GetD() / 64 * 65536);
+ FX_BOOL bUseCJKSubFont = FALSE;
+ const CFX_SubstFont* pSubstFont = pFont->GetSubstFont();
+ if (pSubstFont) {
+ bUseCJKSubFont = pSubstFont->m_bSubstOfCJK && bFontStyle;
+ int skew = 0;
+ if (bUseCJKSubFont) {
+ skew = pSubstFont->m_bItlicCJK ? -15 : 0;
+ } else {
+ skew = pSubstFont->m_ItalicAngle;
+ }
+ if (skew) {
+ skew = skew <= -ANGLESKEW_ARRAY_SIZE ? -58 : -g_AngleSkew[-skew];
+ if (pFont->IsVertical()) {
+ ft_matrix.yx += ft_matrix.yy * skew / 100;
+ } else {
+ ft_matrix.xy += -ft_matrix.xx * skew / 100;
+ }
+ }
+ if (pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) {
+ pFont->AdjustMMParams(glyph_index, dest_width,
+ pFont->GetSubstFont()->m_Weight);
+ }
+ }
+ ScopedFontTransform scoped_transform(m_Face, &ft_matrix);
+ int load_flags = (m_Face->face_flags & FT_FACE_FLAG_SFNT)
+ ? FXFT_LOAD_NO_BITMAP
+ : (FXFT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING);
+ int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
+ if (error) {
+ // if an error is returned, try to reload glyphs without hinting.
+ if (load_flags & FT_LOAD_NO_HINTING || load_flags & FT_LOAD_NO_SCALE) {
+ return NULL;
+ }
+
+ load_flags |= FT_LOAD_NO_HINTING;
+ error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
+
+ if (error) {
+ return NULL;
+ }
+ }
+ int weight = 0;
+ if (bUseCJKSubFont) {
+ weight = pSubstFont->m_WeightCJK;
+ } else {
+ weight = pSubstFont ? pSubstFont->m_Weight : 0;
+ }
+ if (pSubstFont && !(pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) &&
+ weight > 400) {
+ int index = (weight - 400) / 10;
+ if (index >= WEIGHTPOW_ARRAY_SIZE) {
+ return NULL;
+ }
+ int level = 0;
+ if (pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) {
+ level =
+ g_WeightPow_SHIFTJIS[index] * 2 *
+ (FXSYS_abs((int)(ft_matrix.xx)) + FXSYS_abs((int)(ft_matrix.xy))) /
+ 36655;
+ } else {
+ level = g_WeightPow_11[index] * (FXSYS_abs((int)(ft_matrix.xx)) +
+ FXSYS_abs((int)(ft_matrix.xy))) /
+ 36655;
+ }
+ FXFT_Outline_Embolden(FXFT_Get_Glyph_Outline(m_Face), level);
+ }
+ FXFT_Library_SetLcdFilter(CFX_GEModule::Get()->GetFontMgr()->GetFTLibrary(),
+ FT_LCD_FILTER_DEFAULT);
+ error = FXFT_Render_Glyph(m_Face, anti_alias);
+ if (error) {
+ return NULL;
+ }
+ int bmwidth = FXFT_Get_Bitmap_Width(FXFT_Get_Glyph_Bitmap(m_Face));
+ int bmheight = FXFT_Get_Bitmap_Rows(FXFT_Get_Glyph_Bitmap(m_Face));
+ if (bmwidth > 2048 || bmheight > 2048) {
+ return NULL;
+ }
+ int dib_width = bmwidth;
+ CFX_GlyphBitmap* pGlyphBitmap = new CFX_GlyphBitmap;
+ pGlyphBitmap->m_Bitmap.Create(
+ dib_width, bmheight,
+ anti_alias == FXFT_RENDER_MODE_MONO ? FXDIB_1bppMask : FXDIB_8bppMask);
+ pGlyphBitmap->m_Left = FXFT_Get_Glyph_BitmapLeft(m_Face);
+ pGlyphBitmap->m_Top = FXFT_Get_Glyph_BitmapTop(m_Face);
+ int dest_pitch = pGlyphBitmap->m_Bitmap.GetPitch();
+ int src_pitch = FXFT_Get_Bitmap_Pitch(FXFT_Get_Glyph_Bitmap(m_Face));
+ uint8_t* pDestBuf = pGlyphBitmap->m_Bitmap.GetBuffer();
+ uint8_t* pSrcBuf =
+ (uint8_t*)FXFT_Get_Bitmap_Buffer(FXFT_Get_Glyph_Bitmap(m_Face));
+ if (anti_alias != FXFT_RENDER_MODE_MONO &&
+ FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) ==
+ FXFT_PIXEL_MODE_MONO) {
+ int bytes = anti_alias == FXFT_RENDER_MODE_LCD ? 3 : 1;
+ for (int i = 0; i < bmheight; i++)
+ for (int n = 0; n < bmwidth; n++) {
+ uint8_t data =
+ (pSrcBuf[i * src_pitch + n / 8] & (0x80 >> (n % 8))) ? 255 : 0;
+ for (int b = 0; b < bytes; b++) {
+ pDestBuf[i * dest_pitch + n * bytes + b] = data;
+ }
+ }
+ } else {
+ FXSYS_memset(pDestBuf, 0, dest_pitch * bmheight);
+ if (anti_alias == FXFT_RENDER_MODE_MONO &&
+ FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) ==
+ FXFT_PIXEL_MODE_MONO) {
+ int rowbytes =
+ FXSYS_abs(src_pitch) > dest_pitch ? dest_pitch : FXSYS_abs(src_pitch);
+ for (int row = 0; row < bmheight; row++) {
+ FXSYS_memcpy(pDestBuf + row * dest_pitch, pSrcBuf + row * src_pitch,
+ rowbytes);
+ }
+ } else {
+ _ContrastAdjust(pSrcBuf, pDestBuf, bmwidth, bmheight, src_pitch,
+ dest_pitch);
+ _GammaAdjust(pDestBuf, bmwidth, bmheight, dest_pitch,
+ CFX_GEModule::Get()->GetTextGammaTable());
+ }
+ }
+ return pGlyphBitmap;
+}
+const CFX_PathData* CFX_FaceCache::LoadGlyphPath(CFX_Font* pFont,
+ FX_DWORD glyph_index,
+ int dest_width) {
+ if (!m_Face || glyph_index == (FX_DWORD)-1)
+ return nullptr;
+
+ FX_DWORD key = glyph_index;
+ if (pFont->GetSubstFont()) {
+ key += (((pFont->GetSubstFont()->m_Weight / 16) << 15) +
+ ((pFont->GetSubstFont()->m_ItalicAngle / 2) << 21) +
+ ((dest_width / 16) << 25) + (pFont->IsVertical() << 31));
+ }
+ auto it = m_PathMap.find(key);
+ if (it != m_PathMap.end())
+ return it->second;
+
+ CFX_PathData* pGlyphPath = pFont->LoadGlyphPath(glyph_index, dest_width);
+ m_PathMap[key] = pGlyphPath;
+ return pGlyphPath;
+}
+typedef struct {
+ FX_BOOL m_bCount;
+ int m_PointCount;
+ FX_PATHPOINT* m_pPoints;
+ int m_CurX;
+ int m_CurY;
+ FX_FLOAT m_CoordUnit;
+} OUTLINE_PARAMS;
+void _Outline_CheckEmptyContour(OUTLINE_PARAMS* param) {
+ if (param->m_PointCount >= 2 &&
+ param->m_pPoints[param->m_PointCount - 2].m_Flag == FXPT_MOVETO &&
+ param->m_pPoints[param->m_PointCount - 2].m_PointX ==
+ param->m_pPoints[param->m_PointCount - 1].m_PointX &&
+ param->m_pPoints[param->m_PointCount - 2].m_PointY ==
+ param->m_pPoints[param->m_PointCount - 1].m_PointY) {
+ param->m_PointCount -= 2;
+ }
+ if (param->m_PointCount >= 4 &&
+ param->m_pPoints[param->m_PointCount - 4].m_Flag == FXPT_MOVETO &&
+ param->m_pPoints[param->m_PointCount - 3].m_Flag == FXPT_BEZIERTO &&
+ param->m_pPoints[param->m_PointCount - 3].m_PointX ==
+ param->m_pPoints[param->m_PointCount - 4].m_PointX &&
+ param->m_pPoints[param->m_PointCount - 3].m_PointY ==
+ param->m_pPoints[param->m_PointCount - 4].m_PointY &&
+ param->m_pPoints[param->m_PointCount - 2].m_PointX ==
+ param->m_pPoints[param->m_PointCount - 4].m_PointX &&
+ param->m_pPoints[param->m_PointCount - 2].m_PointY ==
+ param->m_pPoints[param->m_PointCount - 4].m_PointY &&
+ param->m_pPoints[param->m_PointCount - 1].m_PointX ==
+ param->m_pPoints[param->m_PointCount - 4].m_PointX &&
+ param->m_pPoints[param->m_PointCount - 1].m_PointY ==
+ param->m_pPoints[param->m_PointCount - 4].m_PointY) {
+ param->m_PointCount -= 4;
+ }
+}
+extern "C" {
+static int _Outline_MoveTo(const FXFT_Vector* to, void* user) {
+ OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user;
+ if (!param->m_bCount) {
+ _Outline_CheckEmptyContour(param);
+ param->m_pPoints[param->m_PointCount].m_PointX = to->x / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount].m_PointY = to->y / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount].m_Flag = FXPT_MOVETO;
+ param->m_CurX = to->x;
+ param->m_CurY = to->y;
+ if (param->m_PointCount) {
+ param->m_pPoints[param->m_PointCount - 1].m_Flag |= FXPT_CLOSEFIGURE;
+ }
+ }
+ param->m_PointCount++;
+ return 0;
+}
+};
+extern "C" {
+static int _Outline_LineTo(const FXFT_Vector* to, void* user) {
+ OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user;
+ if (!param->m_bCount) {
+ param->m_pPoints[param->m_PointCount].m_PointX = to->x / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount].m_PointY = to->y / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount].m_Flag = FXPT_LINETO;
+ param->m_CurX = to->x;
+ param->m_CurY = to->y;
+ }
+ param->m_PointCount++;
+ return 0;
+}
+};
+extern "C" {
+static int _Outline_ConicTo(const FXFT_Vector* control,
+ const FXFT_Vector* to,
+ void* user) {
+ OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user;
+ if (!param->m_bCount) {
+ param->m_pPoints[param->m_PointCount].m_PointX =
+ (param->m_CurX + (control->x - param->m_CurX) * 2 / 3) /
+ param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount].m_PointY =
+ (param->m_CurY + (control->y - param->m_CurY) * 2 / 3) /
+ param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount].m_Flag = FXPT_BEZIERTO;
+ param->m_pPoints[param->m_PointCount + 1].m_PointX =
+ (control->x + (to->x - control->x) / 3) / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount + 1].m_PointY =
+ (control->y + (to->y - control->y) / 3) / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount + 1].m_Flag = FXPT_BEZIERTO;
+ param->m_pPoints[param->m_PointCount + 2].m_PointX =
+ to->x / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount + 2].m_PointY =
+ to->y / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount + 2].m_Flag = FXPT_BEZIERTO;
+ param->m_CurX = to->x;
+ param->m_CurY = to->y;
+ }
+ param->m_PointCount += 3;
+ return 0;
+}
+};
+extern "C" {
+static int _Outline_CubicTo(const FXFT_Vector* control1,
+ const FXFT_Vector* control2,
+ const FXFT_Vector* to,
+ void* user) {
+ OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user;
+ if (!param->m_bCount) {
+ param->m_pPoints[param->m_PointCount].m_PointX =
+ control1->x / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount].m_PointY =
+ control1->y / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount].m_Flag = FXPT_BEZIERTO;
+ param->m_pPoints[param->m_PointCount + 1].m_PointX =
+ control2->x / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount + 1].m_PointY =
+ control2->y / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount + 1].m_Flag = FXPT_BEZIERTO;
+ param->m_pPoints[param->m_PointCount + 2].m_PointX =
+ to->x / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount + 2].m_PointY =
+ to->y / param->m_CoordUnit;
+ param->m_pPoints[param->m_PointCount + 2].m_Flag = FXPT_BEZIERTO;
+ param->m_CurX = to->x;
+ param->m_CurY = to->y;
+ }
+ param->m_PointCount += 3;
+ return 0;
+}
+};
+CFX_PathData* CFX_Font::LoadGlyphPath(FX_DWORD glyph_index, int dest_width) {
+ if (!m_Face) {
+ return NULL;
+ }
+ FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
+ FXFT_Matrix ft_matrix = {65536, 0, 0, 65536};
+ if (m_pSubstFont) {
+ if (m_pSubstFont->m_ItalicAngle) {
+ int skew = m_pSubstFont->m_ItalicAngle;
+ skew = skew <= -ANGLESKEW_ARRAY_SIZE ? -58 : -g_AngleSkew[-skew];
+ if (m_bVertical) {
+ ft_matrix.yx += ft_matrix.yy * skew / 100;
+ } else {
+ ft_matrix.xy += -ft_matrix.xx * skew / 100;
+ }
+ }
+ if (m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) {
+ AdjustMMParams(glyph_index, dest_width, m_pSubstFont->m_Weight);
+ }
+ }
+ ScopedFontTransform scoped_transform(m_Face, &ft_matrix);
+ int load_flags = FXFT_LOAD_NO_BITMAP;
+ if (!(m_Face->face_flags & FT_FACE_FLAG_SFNT) || !FT_IS_TRICKY(m_Face)) {
+ load_flags |= FT_LOAD_NO_HINTING;
+ }
+ int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
+ if (error) {
+ return NULL;
+ }
+ if (m_pSubstFont && !(m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) &&
+ m_pSubstFont->m_Weight > 400) {
+ int index = (m_pSubstFont->m_Weight - 400) / 10;
+ if (index >= WEIGHTPOW_ARRAY_SIZE)
+ index = WEIGHTPOW_ARRAY_SIZE - 1;
+ int level = 0;
+ if (m_pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) {
+ level = g_WeightPow_SHIFTJIS[index] * 2 * 65536 / 36655;
+ } else {
+ level = g_WeightPow[index] * 2;
+ }
+ FXFT_Outline_Embolden(FXFT_Get_Glyph_Outline(m_Face), level);
+ }
+ FXFT_Outline_Funcs funcs;
+ funcs.move_to = _Outline_MoveTo;
+ funcs.line_to = _Outline_LineTo;
+ funcs.conic_to = _Outline_ConicTo;
+ funcs.cubic_to = _Outline_CubicTo;
+ funcs.shift = 0;
+ funcs.delta = 0;
+ OUTLINE_PARAMS params;
+ params.m_bCount = TRUE;
+ params.m_PointCount = 0;
+ FXFT_Outline_Decompose(FXFT_Get_Glyph_Outline(m_Face), &funcs, &params);
+ if (params.m_PointCount == 0) {
+ return NULL;
+ }
+ CFX_PathData* pPath = new CFX_PathData;
+ pPath->SetPointCount(params.m_PointCount);
+ params.m_bCount = FALSE;
+ params.m_PointCount = 0;
+ params.m_pPoints = pPath->GetPoints();
+ params.m_CurX = params.m_CurY = 0;
+ params.m_CoordUnit = 64 * 64.0;
+ FXFT_Outline_Decompose(FXFT_Get_Glyph_Outline(m_Face), &funcs, &params);
+ _Outline_CheckEmptyContour(&params);
+ pPath->TrimPoints(params.m_PointCount);
+ if (params.m_PointCount) {
+ pPath->GetPoints()[params.m_PointCount - 1].m_Flag |= FXPT_CLOSEFIGURE;
+ }
+ return pPath;
+}
+void _CFX_UniqueKeyGen::Generate(int count, ...) {
+ va_list argList;
+ va_start(argList, count);
+ for (int i = 0; i < count; i++) {
+ int p = va_arg(argList, int);
+ ((FX_DWORD*)m_Key)[i] = p;
+ }
+ va_end(argList);
+ m_KeyLen = count * sizeof(FX_DWORD);
+}
diff --git a/core/fxge/ge/fx_text_int.h b/core/fxge/ge/fx_text_int.h
new file mode 100644
index 0000000000..d88b2a7cb9
--- /dev/null
+++ b/core/fxge/ge/fx_text_int.h
@@ -0,0 +1,84 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FXGE_GE_FX_TEXT_INT_H_
+#define CORE_FXGE_GE_FX_TEXT_INT_H_
+
+#include <map>
+
+#include "core/include/fxge/fx_font.h"
+#include "core/include/fxge/fx_freetype.h"
+
+struct _CFX_UniqueKeyGen {
+ void Generate(int count, ...);
+ FX_CHAR m_Key[128];
+ int m_KeyLen;
+};
+class CFX_SizeGlyphCache {
+ public:
+ CFX_SizeGlyphCache() {}
+ ~CFX_SizeGlyphCache();
+ std::map<FX_DWORD, CFX_GlyphBitmap*> m_GlyphMap;
+};
+class CTTFontDesc {
+ public:
+ CTTFontDesc() {
+ m_Type = 0;
+ m_pFontData = NULL;
+ m_RefCount = 0;
+ }
+ ~CTTFontDesc();
+ // ret < 0, releaseface not appropriate for this object.
+ // ret == 0, object released
+ // ret > 0, object still alive, other referrers.
+ int ReleaseFace(FXFT_Face face);
+ int m_Type;
+ union {
+ struct {
+ FX_BOOL m_bItalic;
+ FX_BOOL m_bBold;
+ FXFT_Face m_pFace;
+ } m_SingleFace;
+ struct {
+ FXFT_Face m_pFaces[16];
+ } m_TTCFace;
+ };
+ uint8_t* m_pFontData;
+ int m_RefCount;
+};
+
+#define CHARSET_FLAG_ANSI 1
+#define CHARSET_FLAG_SYMBOL 2
+#define CHARSET_FLAG_SHIFTJIS 4
+#define CHARSET_FLAG_BIG5 8
+#define CHARSET_FLAG_GB 16
+#define CHARSET_FLAG_KOREAN 32
+
+class CFX_FontFaceInfo {
+ public:
+ CFX_FontFaceInfo(CFX_ByteString filePath,
+ CFX_ByteString faceName,
+ CFX_ByteString fontTables,
+ FX_DWORD fontOffset,
+ FX_DWORD fileSize)
+ : m_FilePath(filePath),
+ m_FaceName(faceName),
+ m_FontTables(fontTables),
+ m_FontOffset(fontOffset),
+ m_FileSize(fileSize),
+ m_Styles(0),
+ m_Charsets(0) {}
+
+ const CFX_ByteString m_FilePath;
+ const CFX_ByteString m_FaceName;
+ const CFX_ByteString m_FontTables;
+ const FX_DWORD m_FontOffset;
+ const FX_DWORD m_FileSize;
+ FX_DWORD m_Styles;
+ FX_DWORD m_Charsets;
+};
+
+#endif // CORE_FXGE_GE_FX_TEXT_INT_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 02:08:21 +0000