diff options
Diffstat (limited to 'core/src/fxge/ge/fx_ge_device.cpp')
| -rw-r--r-- | core/src/fxge/ge/fx_ge_device.cpp | 405 |
1 files changed, 405 insertions, 0 deletions
diff --git a/core/src/fxge/ge/fx_ge_device.cpp b/core/src/fxge/ge/fx_ge_device.cpp new file mode 100644 index 0000000000..8f7ccdb7d9 --- /dev/null +++ b/core/src/fxge/ge/fx_ge_device.cpp @@ -0,0 +1,405 @@ +// 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 "../../../include/fxge/fx_ge.h"
+CFX_RenderDevice::CFX_RenderDevice()
+{
+ m_pDeviceDriver = NULL;
+ m_pBitmap = NULL;
+}
+CFX_RenderDevice::~CFX_RenderDevice()
+{
+ if (m_pDeviceDriver) {
+ delete m_pDeviceDriver;
+ }
+}
+void CFX_RenderDevice::SetDeviceDriver(IFX_RenderDeviceDriver* pDriver)
+{
+ if (m_pDeviceDriver) {
+ delete m_pDeviceDriver;
+ }
+ m_pDeviceDriver = pDriver;
+ InitDeviceInfo();
+}
+void CFX_RenderDevice::InitDeviceInfo()
+{
+ ASSERT(m_pDeviceDriver != NULL);
+ 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);
+ } else if (m_RenderCaps & FXRC_BYTEMASK_OUTPUT) {
+ return pDIB->Create(width, height, FXDIB_8bppMask);
+ } else
+#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_AffineMatrix* 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_AffineMatrix* 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* pRect)
+{
+ CFX_PathData path;
+ path.AppendRect((FX_FLOAT)(pRect->left), (FX_FLOAT)(pRect->bottom), (FX_FLOAT)(pRect->right), (FX_FLOAT)(pRect->top));
+ if (!SetClip_PathFill(&path, NULL, 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_AffineMatrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState,
+ FX_DWORD fill_color, FX_DWORD stroke_color, int fill_mode,
+ int alpha_flag, void* pIccTransform, int blend_type)
+{
+ FX_BYTE 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 == NULL) {
+ 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_AffineMatrix* pMatrix = NULL;
+ if (pObject2Device && !pObject2Device->IsIdentity()) {
+ pMatrix = (CFX_AffineMatrix*)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_AffineMatrix 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_AffineMatrix 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_AffineMatrix* pMatrix, FX_DWORD flags, FX_LPVOID& 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(FX_LPVOID handle, IFX_Pause* pPause)
+{
+ return m_pDeviceDriver->ContinueDIBits(handle, pPause);
+}
+void CFX_RenderDevice::CancelDIBits(FX_LPVOID handle)
+{
+ m_pDeviceDriver->CancelDIBits(handle);
+}
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