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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/fxge/agg
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
Move core/src/ up to core/.
This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 .
Diffstat (limited to 'core/fxge/agg')
-rw-r--r--core/fxge/agg/DEPS3
-rw-r--r--core/fxge/agg/fx_agg_driver.cpp1839
-rw-r--r--core/fxge/agg/fx_agg_driver.h152
3 files changed, 1994 insertions, 0 deletions
diff --git a/core/fxge/agg/DEPS b/core/fxge/agg/DEPS
new file mode 100644
index 0000000000..25d9e110e6
--- /dev/null
+++ b/core/fxge/agg/DEPS
@@ -0,0 +1,3 @@
+include_rules = [
+ '+third_party/agg23',
+]
diff --git a/core/fxge/agg/fx_agg_driver.cpp b/core/fxge/agg/fx_agg_driver.cpp
new file mode 100644
index 0000000000..cd72865421
--- /dev/null
+++ b/core/fxge/agg/fx_agg_driver.cpp
@@ -0,0 +1,1839 @@
+// 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 <algorithm>
+
+#include "core/fxge/dib/dib_int.h"
+#include "core/fxge/ge/fx_text_int.h"
+#include "core/include/fxcodec/fx_codec.h"
+#include "core/include/fxge/fx_ge.h"
+#include "third_party/agg23/agg_conv_dash.h"
+#include "third_party/agg23/agg_conv_stroke.h"
+#include "third_party/agg23/agg_curves.h"
+#include "third_party/agg23/agg_path_storage.h"
+#include "third_party/agg23/agg_pixfmt_gray.h"
+#include "third_party/agg23/agg_rasterizer_scanline_aa.h"
+#include "third_party/agg23/agg_renderer_scanline.h"
+#include "third_party/agg23/agg_scanline_u.h"
+
+namespace {
+
+void HardClip(FX_FLOAT& x, FX_FLOAT& y) {
+ x = std::max(std::min(x, 50000.0f), -50000.0f);
+ y = std::max(std::min(y, 50000.0f), -50000.0f);
+}
+
+} // namespace
+
+void CAgg_PathData::BuildPath(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device) {
+ int nPoints = pPathData->GetPointCount();
+ FX_PATHPOINT* pPoints = pPathData->GetPoints();
+ for (int i = 0; i < nPoints; i++) {
+ FX_FLOAT x = pPoints[i].m_PointX, y = pPoints[i].m_PointY;
+ if (pObject2Device) {
+ pObject2Device->Transform(x, y);
+ }
+ HardClip(x, y);
+ int point_type = pPoints[i].m_Flag & FXPT_TYPE;
+ if (point_type == FXPT_MOVETO) {
+ m_PathData.move_to(x, y);
+ } else if (point_type == FXPT_LINETO) {
+ if (pPoints[i - 1].m_Flag == FXPT_MOVETO &&
+ (i == nPoints - 1 || pPoints[i + 1].m_Flag == FXPT_MOVETO) &&
+ pPoints[i].m_PointX == pPoints[i - 1].m_PointX &&
+ pPoints[i].m_PointY == pPoints[i - 1].m_PointY) {
+ x += 1;
+ }
+ m_PathData.line_to(x, y);
+ } else if (point_type == FXPT_BEZIERTO) {
+ FX_FLOAT x0 = pPoints[i - 1].m_PointX, y0 = pPoints[i - 1].m_PointY;
+ FX_FLOAT x2 = pPoints[i + 1].m_PointX, y2 = pPoints[i + 1].m_PointY;
+ FX_FLOAT x3 = pPoints[i + 2].m_PointX, y3 = pPoints[i + 2].m_PointY;
+ if (pObject2Device) {
+ pObject2Device->Transform(x0, y0);
+ pObject2Device->Transform(x2, y2);
+ pObject2Device->Transform(x3, y3);
+ }
+ agg::curve4 curve(x0, y0, x, y, x2, y2, x3, y3);
+ i += 2;
+ m_PathData.add_path_curve(curve);
+ }
+ if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) {
+ m_PathData.end_poly();
+ }
+ }
+}
+namespace agg {
+
+template <class BaseRenderer>
+class renderer_scanline_aa_offset {
+ public:
+ typedef BaseRenderer base_ren_type;
+ typedef typename base_ren_type::color_type color_type;
+ renderer_scanline_aa_offset(base_ren_type& ren, unsigned left, unsigned top)
+ : m_ren(&ren), m_left(left), m_top(top) {}
+ void color(const color_type& c) { m_color = c; }
+ const color_type& color() const { return m_color; }
+ void prepare(unsigned) {}
+ template <class Scanline>
+ void render(const Scanline& sl) {
+ int y = sl.y();
+ unsigned num_spans = sl.num_spans();
+ typename Scanline::const_iterator span = sl.begin();
+ for (;;) {
+ int x = span->x;
+ if (span->len > 0) {
+ m_ren->blend_solid_hspan(x - m_left, y - m_top, (unsigned)span->len,
+ m_color, span->covers);
+ } else {
+ m_ren->blend_hline(x - m_left, y - m_top, (unsigned)(x - span->len - 1),
+ m_color, *(span->covers));
+ }
+ if (--num_spans == 0) {
+ break;
+ }
+ ++span;
+ }
+ }
+
+ private:
+ base_ren_type* m_ren;
+ color_type m_color;
+ unsigned m_left, m_top;
+};
+
+} // namespace agg
+
+static void RasterizeStroke(agg::rasterizer_scanline_aa& rasterizer,
+ agg::path_storage& path_data,
+ const CFX_Matrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState,
+ FX_FLOAT scale = 1.0f,
+ FX_BOOL bStrokeAdjust = FALSE,
+ FX_BOOL bTextMode = FALSE) {
+ agg::line_cap_e cap;
+ switch (pGraphState->m_LineCap) {
+ case CFX_GraphStateData::LineCapRound:
+ cap = agg::round_cap;
+ break;
+ case CFX_GraphStateData::LineCapSquare:
+ cap = agg::square_cap;
+ break;
+ default:
+ cap = agg::butt_cap;
+ break;
+ }
+ agg::line_join_e join;
+ switch (pGraphState->m_LineJoin) {
+ case CFX_GraphStateData::LineJoinRound:
+ join = agg::round_join;
+ break;
+ case CFX_GraphStateData::LineJoinBevel:
+ join = agg::bevel_join;
+ break;
+ default:
+ join = agg::miter_join_revert;
+ break;
+ }
+ FX_FLOAT width = pGraphState->m_LineWidth * scale;
+ FX_FLOAT unit = 1.f;
+ if (pObject2Device) {
+ unit =
+ 1.0f / ((pObject2Device->GetXUnit() + pObject2Device->GetYUnit()) / 2);
+ }
+ if (width < unit) {
+ width = unit;
+ }
+ if (pGraphState->m_DashArray) {
+ typedef agg::conv_dash<agg::path_storage> dash_converter;
+ dash_converter dash(path_data);
+ for (int i = 0; i < (pGraphState->m_DashCount + 1) / 2; i++) {
+ FX_FLOAT on = pGraphState->m_DashArray[i * 2];
+ if (on <= 0.000001f) {
+ on = 1.0f / 10;
+ }
+ FX_FLOAT off = i * 2 + 1 == pGraphState->m_DashCount
+ ? on
+ : pGraphState->m_DashArray[i * 2 + 1];
+ if (off < 0) {
+ off = 0;
+ }
+ dash.add_dash(on * scale, off * scale);
+ }
+ dash.dash_start(pGraphState->m_DashPhase * scale);
+ typedef agg::conv_stroke<dash_converter> dash_stroke;
+ dash_stroke stroke(dash);
+ stroke.line_join(join);
+ stroke.line_cap(cap);
+ stroke.miter_limit(pGraphState->m_MiterLimit);
+ stroke.width(width);
+ rasterizer.add_path_transformed(stroke, pObject2Device);
+ } else {
+ agg::conv_stroke<agg::path_storage> stroke(path_data);
+ stroke.line_join(join);
+ stroke.line_cap(cap);
+ stroke.miter_limit(pGraphState->m_MiterLimit);
+ stroke.width(width);
+ rasterizer.add_path_transformed(stroke, pObject2Device);
+ }
+}
+
+IFX_RenderDeviceDriver* IFX_RenderDeviceDriver::CreateFxgeDriver(
+ CFX_DIBitmap* pBitmap,
+ FX_BOOL bRgbByteOrder,
+ CFX_DIBitmap* pOriDevice,
+ FX_BOOL bGroupKnockout) {
+ return new CFX_AggDeviceDriver(pBitmap, 0, bRgbByteOrder, pOriDevice,
+ bGroupKnockout);
+}
+
+CFX_AggDeviceDriver::CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap,
+ int dither_bits,
+ FX_BOOL bRgbByteOrder,
+ CFX_DIBitmap* pOriDevice,
+ FX_BOOL bGroupKnockout) {
+ m_pBitmap = pBitmap;
+ m_DitherBits = dither_bits;
+ m_pClipRgn = NULL;
+ m_pPlatformBitmap = NULL;
+ m_pPlatformGraphics = NULL;
+ m_pDwRenderTartget = NULL;
+ m_bRgbByteOrder = bRgbByteOrder;
+ m_pOriDevice = pOriDevice;
+ m_bGroupKnockout = bGroupKnockout;
+ m_FillFlags = 0;
+ InitPlatform();
+}
+
+CFX_AggDeviceDriver::~CFX_AggDeviceDriver() {
+ delete m_pClipRgn;
+ for (int i = 0; i < m_StateStack.GetSize(); i++)
+ delete m_StateStack[i];
+ DestroyPlatform();
+}
+
+uint8_t* CFX_AggDeviceDriver::GetBuffer() const {
+ return m_pBitmap->GetBuffer();
+}
+
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+void CFX_AggDeviceDriver::InitPlatform() {}
+
+void CFX_AggDeviceDriver::DestroyPlatform() {}
+
+FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(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) {
+ return FALSE;
+} // _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+#endif
+
+int CFX_AggDeviceDriver::GetDeviceCaps(int caps_id) {
+ switch (caps_id) {
+ case FXDC_DEVICE_CLASS:
+ return FXDC_DISPLAY;
+ case FXDC_PIXEL_WIDTH:
+ return m_pBitmap->GetWidth();
+ case FXDC_PIXEL_HEIGHT:
+ return m_pBitmap->GetHeight();
+ case FXDC_BITS_PIXEL:
+ return m_pBitmap->GetBPP();
+ case FXDC_HORZ_SIZE:
+ case FXDC_VERT_SIZE:
+ return 0;
+ case FXDC_RENDER_CAPS: {
+ int flags = FXRC_GET_BITS | FXRC_ALPHA_PATH | FXRC_ALPHA_IMAGE |
+ FXRC_BLEND_MODE | FXRC_SOFT_CLIP;
+ if (m_pBitmap->HasAlpha()) {
+ flags |= FXRC_ALPHA_OUTPUT;
+ } else if (m_pBitmap->IsAlphaMask()) {
+ if (m_pBitmap->GetBPP() == 1) {
+ flags |= FXRC_BITMASK_OUTPUT;
+ } else {
+ flags |= FXRC_BYTEMASK_OUTPUT;
+ }
+ }
+ if (m_pBitmap->IsCmykImage()) {
+ flags |= FXRC_CMYK_OUTPUT;
+ }
+ return flags;
+ }
+ case FXDC_DITHER_BITS:
+ return m_DitherBits;
+ }
+ return 0;
+}
+
+void CFX_AggDeviceDriver::SaveState() {
+ CFX_ClipRgn* pClip = NULL;
+ if (m_pClipRgn) {
+ pClip = new CFX_ClipRgn(*m_pClipRgn);
+ }
+ m_StateStack.Add(pClip);
+}
+
+void CFX_AggDeviceDriver::RestoreState(FX_BOOL bKeepSaved) {
+ if (m_StateStack.GetSize() == 0) {
+ delete m_pClipRgn;
+ m_pClipRgn = NULL;
+ return;
+ }
+ CFX_ClipRgn* pSavedClip = m_StateStack[m_StateStack.GetSize() - 1];
+ delete m_pClipRgn;
+ m_pClipRgn = NULL;
+ if (bKeepSaved) {
+ if (pSavedClip) {
+ m_pClipRgn = new CFX_ClipRgn(*pSavedClip);
+ }
+ } else {
+ m_StateStack.RemoveAt(m_StateStack.GetSize() - 1);
+ m_pClipRgn = pSavedClip;
+ }
+}
+
+void CFX_AggDeviceDriver::SetClipMask(agg::rasterizer_scanline_aa& rasterizer) {
+ FX_RECT path_rect(rasterizer.min_x(), rasterizer.min_y(),
+ rasterizer.max_x() + 1, rasterizer.max_y() + 1);
+ path_rect.Intersect(m_pClipRgn->GetBox());
+ CFX_DIBitmapRef mask;
+ CFX_DIBitmap* pThisLayer = mask.New();
+ if (!pThisLayer) {
+ return;
+ }
+ pThisLayer->Create(path_rect.Width(), path_rect.Height(), FXDIB_8bppMask);
+ pThisLayer->Clear(0);
+ agg::rendering_buffer raw_buf(pThisLayer->GetBuffer(), pThisLayer->GetWidth(),
+ pThisLayer->GetHeight(),
+ pThisLayer->GetPitch());
+ agg::pixfmt_gray8 pixel_buf(raw_buf);
+ agg::renderer_base<agg::pixfmt_gray8> base_buf(pixel_buf);
+ agg::renderer_scanline_aa_offset<agg::renderer_base<agg::pixfmt_gray8> >
+ final_render(base_buf, path_rect.left, path_rect.top);
+ final_render.color(agg::gray8(255));
+ agg::scanline_u8 scanline;
+ agg::render_scanlines(rasterizer, scanline, final_render,
+ (m_FillFlags & FXFILL_NOPATHSMOOTH) != 0);
+ m_pClipRgn->IntersectMaskF(path_rect.left, path_rect.top, mask);
+}
+
+FX_BOOL CFX_AggDeviceDriver::SetClip_PathFill(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ int fill_mode) {
+ m_FillFlags = fill_mode;
+ if (!m_pClipRgn) {
+ m_pClipRgn = new CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH),
+ GetDeviceCaps(FXDC_PIXEL_HEIGHT));
+ }
+ if (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) {
+ CFX_FloatRect rectf;
+ if (pPathData->IsRect(pObject2Device, &rectf)) {
+ rectf.Intersect(
+ CFX_FloatRect(0, 0, (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_WIDTH),
+ (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
+ FX_RECT rect = rectf.GetOutterRect();
+ m_pClipRgn->IntersectRect(rect);
+ return TRUE;
+ }
+ }
+ CAgg_PathData path_data;
+ path_data.BuildPath(pPathData, pObject2Device);
+ path_data.m_PathData.end_poly();
+ agg::rasterizer_scanline_aa rasterizer;
+ rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
+ (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
+ rasterizer.add_path(path_data.m_PathData);
+ rasterizer.filling_rule((fill_mode & 3) == FXFILL_WINDING
+ ? agg::fill_non_zero
+ : agg::fill_even_odd);
+ SetClipMask(rasterizer);
+ return TRUE;
+}
+
+FX_BOOL CFX_AggDeviceDriver::SetClip_PathStroke(
+ const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState) {
+ if (!m_pClipRgn) {
+ m_pClipRgn = new CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH),
+ GetDeviceCaps(FXDC_PIXEL_HEIGHT));
+ }
+ CAgg_PathData path_data;
+ path_data.BuildPath(pPathData, NULL);
+ agg::rasterizer_scanline_aa rasterizer;
+ rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
+ (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
+ RasterizeStroke(rasterizer, path_data.m_PathData, pObject2Device,
+ pGraphState);
+ rasterizer.filling_rule(agg::fill_non_zero);
+ SetClipMask(rasterizer);
+ return TRUE;
+}
+
+class CFX_Renderer {
+ private:
+ int m_Alpha, m_Red, m_Green, m_Blue, m_Gray;
+ FX_DWORD m_Color;
+ FX_BOOL m_bFullCover;
+ FX_BOOL m_bRgbByteOrder;
+ CFX_DIBitmap* m_pOriDevice;
+ FX_RECT m_ClipBox;
+ const CFX_DIBitmap* m_pClipMask;
+ CFX_DIBitmap* m_pDevice;
+ const CFX_ClipRgn* m_pClipRgn;
+ void (CFX_Renderer::*composite_span)(uint8_t*,
+ int,
+ int,
+ int,
+ uint8_t*,
+ int,
+ int,
+ uint8_t*,
+ uint8_t*);
+
+ public:
+ void prepare(unsigned) {}
+
+ void CompositeSpan(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ FX_BOOL bDestAlpha,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end = (span_left + span_len) < clip_right
+ ? span_len
+ : (clip_right - span_left);
+ if (Bpp) {
+ dest_scan += col_start * Bpp;
+ ori_scan += col_start * Bpp;
+ } else {
+ dest_scan += col_start / 8;
+ ori_scan += col_start / 8;
+ }
+ if (m_bRgbByteOrder) {
+ if (Bpp == 4 && bDestAlpha) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ uint8_t dest_alpha =
+ ori_scan[3] + src_alpha - ori_scan[3] * src_alpha / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ if (m_bFullCover) {
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio);
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio);
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio);
+ dest_scan++;
+ ori_scan++;
+ } else {
+ int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio);
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio);
+ ori_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
+ dest_scan += 2;
+ }
+ }
+ return;
+ }
+ if (Bpp == 3 || Bpp == 4) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ int b = FXDIB_ALPHA_MERGE(*ori_scan, m_Blue, src_alpha);
+ ori_scan += Bpp - 2;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
+ dest_scan += Bpp - 2;
+ }
+ }
+ return;
+ }
+ if (Bpp == 4 && bDestAlpha) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ int src_alpha_covered = src_alpha * cover_scan[col] / 255;
+ if (src_alpha_covered == 0) {
+ dest_scan += 4;
+ continue;
+ }
+ if (cover_scan[col] == 255) {
+ dest_scan[3] = src_alpha_covered;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
+ } else {
+ if (dest_scan[3] == 0) {
+ dest_scan[3] = src_alpha_covered;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
+ }
+ uint8_t cover = cover_scan[col];
+ dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover);
+ dest_scan += 2;
+ }
+ }
+ return;
+ }
+ if (Bpp == 3 || Bpp == 4) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ if (m_bFullCover) {
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+ dest_scan += Bpp - 2;
+ ori_scan += Bpp - 2;
+ continue;
+ }
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+ ori_scan += Bpp - 2;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
+ dest_scan += Bpp - 2;
+ continue;
+ }
+ return;
+ }
+ if (Bpp == 1) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ if (m_bFullCover) {
+ *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+ } else {
+ int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan[col]);
+ dest_scan++;
+ }
+ }
+ } else {
+ int index = 0;
+ if (m_pDevice->GetPalette()) {
+ for (int i = 0; i < 2; i++) {
+ if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) {
+ index = i;
+ }
+ }
+ } else {
+ index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
+ }
+ uint8_t* dest_scan1 = dest_scan;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ if (src_alpha) {
+ if (!index) {
+ *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8));
+ } else {
+ *dest_scan1 |= 1 << (7 - (col + span_left) % 8);
+ }
+ }
+ dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8;
+ }
+ }
+ }
+
+ void CompositeSpan1bpp(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ ASSERT(!m_pDevice->IsCmykImage());
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end = (span_left + span_len) < clip_right
+ ? span_len
+ : (clip_right - span_left);
+ dest_scan += col_start / 8;
+ int index = 0;
+ if (m_pDevice->GetPalette()) {
+ for (int i = 0; i < 2; i++) {
+ if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) {
+ index = i;
+ }
+ }
+ } else {
+ index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
+ }
+ uint8_t* dest_scan1 = dest_scan;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ if (src_alpha) {
+ if (!index) {
+ *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8));
+ } else {
+ *dest_scan1 |= 1 << (7 - (col + span_left) % 8);
+ }
+ }
+ dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8;
+ }
+ }
+
+ void CompositeSpanGray(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end = (span_left + span_len) < clip_right
+ ? span_len
+ : (clip_right - span_left);
+ dest_scan += col_start;
+ if (dest_extra_alpha_scan) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (m_bFullCover) {
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ } else {
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *dest_scan = m_Gray;
+ *dest_extra_alpha_scan = m_Alpha;
+ } else {
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
+ dest_scan++;
+ continue;
+ }
+ }
+ dest_extra_alpha_scan++;
+ dest_scan++;
+ }
+ } else {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *dest_scan = m_Gray;
+ } else {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
+ }
+ }
+ dest_scan++;
+ }
+ }
+ }
+
+ void CompositeSpanARGB(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end = (span_left + span_len) < clip_right
+ ? span_len
+ : (clip_right - span_left);
+ dest_scan += col_start * Bpp;
+ if (m_bRgbByteOrder) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (m_bFullCover) {
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ } else {
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ } else {
+ uint8_t dest_alpha =
+ dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan += 2;
+ continue;
+ }
+ }
+ dest_scan += 4;
+ }
+ return;
+ }
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (m_bFullCover) {
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ } else {
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ } else {
+ if (dest_scan[3] == 0) {
+ dest_scan[3] = src_alpha;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
+ }
+ uint8_t dest_alpha =
+ dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan += 2;
+ continue;
+ }
+ }
+ dest_scan += Bpp;
+ }
+ }
+
+ void CompositeSpanRGB(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end = (span_left + span_len) < clip_right
+ ? span_len
+ : (clip_right - span_left);
+ dest_scan += col_start * Bpp;
+ if (m_bRgbByteOrder) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ if (Bpp == 4) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ } else if (Bpp == 3) {
+ *dest_scan++ = m_Red;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Blue;
+ continue;
+ }
+ } else {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan += Bpp - 2;
+ continue;
+ }
+ }
+ dest_scan += Bpp;
+ }
+ return;
+ }
+ if (Bpp == 3 && dest_extra_alpha_scan) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (m_bFullCover) {
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ } else {
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *dest_scan++ = (uint8_t)m_Blue;
+ *dest_scan++ = (uint8_t)m_Green;
+ *dest_scan++ = (uint8_t)m_Red;
+ *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
+ continue;
+ } else {
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ continue;
+ }
+ }
+ dest_extra_alpha_scan++;
+ dest_scan += Bpp;
+ }
+ } else {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (m_bFullCover) {
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ } else {
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ if (Bpp == 4) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ } else if (Bpp == 3) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
+ continue;
+ }
+ } else {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan += Bpp - 2;
+ continue;
+ }
+ }
+ dest_scan += Bpp;
+ }
+ }
+ }
+
+ void CompositeSpanCMYK(uint8_t* dest_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ uint8_t* cover_scan,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end = (span_left + span_len) < clip_right
+ ? span_len
+ : (clip_right - span_left);
+ dest_scan += col_start * 4;
+ if (dest_extra_alpha_scan) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (m_bFullCover) {
+ if (clip_scan) {
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ } else {
+ src_alpha = m_Alpha;
+ }
+ } else {
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(FX_CMYK*)dest_scan = m_Color;
+ *dest_extra_alpha_scan = (uint8_t)m_Alpha;
+ } else {
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
+ dest_scan++;
+ continue;
+ }
+ }
+ dest_extra_alpha_scan++;
+ dest_scan += 4;
+ }
+ } else {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan) {
+ src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
+ } else {
+ src_alpha = m_Alpha * cover_scan[col] / 255;
+ }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(FX_CMYK*)dest_scan = m_Color;
+ } else {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
+ dest_scan++;
+ continue;
+ }
+ }
+ dest_scan += 4;
+ }
+ }
+ }
+
+ template <class Scanline>
+ void render(const Scanline& sl) {
+ if (!m_pOriDevice && !composite_span) {
+ return;
+ }
+ int y = sl.y();
+ if (y < m_ClipBox.top || y >= m_ClipBox.bottom) {
+ return;
+ }
+ uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * y;
+ uint8_t* dest_scan_extra_alpha = NULL;
+ CFX_DIBitmap* pAlphaMask = m_pDevice->m_pAlphaMask;
+ if (pAlphaMask) {
+ dest_scan_extra_alpha =
+ pAlphaMask->GetBuffer() + pAlphaMask->GetPitch() * y;
+ }
+ uint8_t* ori_scan = NULL;
+ if (m_pOriDevice) {
+ ori_scan = m_pOriDevice->GetBuffer() + m_pOriDevice->GetPitch() * y;
+ }
+ int Bpp = m_pDevice->GetBPP() / 8;
+ FX_BOOL bDestAlpha = m_pDevice->HasAlpha() || m_pDevice->IsAlphaMask();
+ unsigned num_spans = sl.num_spans();
+ typename Scanline::const_iterator span = sl.begin();
+ while (1) {
+ int x = span->x;
+ ASSERT(span->len > 0);
+ uint8_t* dest_pos = NULL;
+ uint8_t* dest_extra_alpha_pos = NULL;
+ uint8_t* ori_pos = NULL;
+ if (Bpp) {
+ ori_pos = ori_scan ? ori_scan + x * Bpp : NULL;
+ dest_pos = dest_scan + x * Bpp;
+ dest_extra_alpha_pos =
+ dest_scan_extra_alpha ? dest_scan_extra_alpha + x : NULL;
+ } else {
+ dest_pos = dest_scan + x / 8;
+ ori_pos = ori_scan ? ori_scan + x / 8 : NULL;
+ }
+ uint8_t* clip_pos = NULL;
+ if (m_pClipMask) {
+ clip_pos = m_pClipMask->GetBuffer() +
+ (y - m_ClipBox.top) * m_pClipMask->GetPitch() + x -
+ m_ClipBox.left;
+ }
+ if (ori_pos) {
+ CompositeSpan(dest_pos, ori_pos, Bpp, bDestAlpha, x, span->len,
+ span->covers, m_ClipBox.left, m_ClipBox.right, clip_pos);
+ } else {
+ (this->*composite_span)(dest_pos, Bpp, x, span->len, span->covers,
+ m_ClipBox.left, m_ClipBox.right, clip_pos,
+ dest_extra_alpha_pos);
+ }
+ if (--num_spans == 0) {
+ break;
+ }
+ ++span;
+ }
+ }
+
+ FX_BOOL Init(CFX_DIBitmap* pDevice,
+ CFX_DIBitmap* pOriDevice,
+ const CFX_ClipRgn* pClipRgn,
+ FX_DWORD color,
+ FX_BOOL bFullCover,
+ FX_BOOL bRgbByteOrder,
+ int alpha_flag = 0,
+ void* pIccTransform = NULL) {
+ m_pDevice = pDevice;
+ m_pClipRgn = pClipRgn;
+ composite_span = NULL;
+ m_bRgbByteOrder = bRgbByteOrder;
+ m_pOriDevice = pOriDevice;
+ if (m_pClipRgn) {
+ m_ClipBox = m_pClipRgn->GetBox();
+ } else {
+ m_ClipBox.left = m_ClipBox.top = 0;
+ m_ClipBox.right = m_pDevice->GetWidth();
+ m_ClipBox.bottom = m_pDevice->GetHeight();
+ }
+ m_pClipMask = NULL;
+ if (m_pClipRgn && m_pClipRgn->GetType() == CFX_ClipRgn::MaskF) {
+ m_pClipMask = m_pClipRgn->GetMask();
+ }
+ m_bFullCover = bFullCover;
+ FX_BOOL bObjectCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
+ FX_BOOL bDeviceCMYK = pDevice->IsCmykImage();
+ m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
+ ICodec_IccModule* pIccModule = NULL;
+ if (!CFX_GEModule::Get()->GetCodecModule() ||
+ !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
+ pIccTransform = NULL;
+ } else {
+ pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
+ }
+ if (m_pDevice->GetBPP() == 8) {
+ ASSERT(!m_bRgbByteOrder);
+ composite_span = &CFX_Renderer::CompositeSpanGray;
+ if (m_pDevice->IsAlphaMask()) {
+ m_Gray = 255;
+ } else {
+ if (pIccTransform) {
+ uint8_t gray;
+ color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(pIccTransform, &gray,
+ (const uint8_t*)&color, 1);
+ m_Gray = gray;
+ } else {
+ if (bObjectCMYK) {
+ uint8_t r, g, b;
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
+ FXSYS_GetYValue(color), FXSYS_GetKValue(color),
+ r, g, b);
+ m_Gray = FXRGB2GRAY(r, g, b);
+ } else {
+ m_Gray =
+ FXRGB2GRAY(FXARGB_R(color), FXARGB_G(color), FXARGB_B(color));
+ }
+ }
+ }
+ return TRUE;
+ }
+ if (bDeviceCMYK) {
+ ASSERT(!m_bRgbByteOrder);
+ composite_span = &CFX_Renderer::CompositeSpanCMYK;
+ if (bObjectCMYK) {
+ m_Color = FXCMYK_TODIB(color);
+ if (pIccTransform) {
+ pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
+ (const uint8_t*)&m_Color, 1);
+ }
+ } else {
+ if (!pIccTransform) {
+ return FALSE;
+ }
+ color = FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
+ (const uint8_t*)&color, 1);
+ }
+ m_Red = ((uint8_t*)&m_Color)[0];
+ m_Green = ((uint8_t*)&m_Color)[1];
+ m_Blue = ((uint8_t*)&m_Color)[2];
+ m_Gray = ((uint8_t*)&m_Color)[3];
+ } else {
+ composite_span = (pDevice->GetFormat() == FXDIB_Argb)
+ ? &CFX_Renderer::CompositeSpanARGB
+ : &CFX_Renderer::CompositeSpanRGB;
+ if (pIccTransform) {
+ color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
+ (const uint8_t*)&color, 1);
+ ((uint8_t*)&m_Color)[3] = m_Alpha;
+ m_Red = ((uint8_t*)&m_Color)[2];
+ m_Green = ((uint8_t*)&m_Color)[1];
+ m_Blue = ((uint8_t*)&m_Color)[0];
+ if (m_bRgbByteOrder) {
+ m_Color = FXARGB_TODIB(m_Color);
+ m_Color = FXARGB_TOBGRORDERDIB(m_Color);
+ }
+ } else {
+ if (bObjectCMYK) {
+ uint8_t r, g, b;
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
+ FXSYS_GetYValue(color), FXSYS_GetKValue(color), r,
+ g, b);
+ m_Color = FXARGB_MAKE(m_Alpha, r, g, b);
+ if (m_bRgbByteOrder) {
+ m_Color = FXARGB_TOBGRORDERDIB(m_Color);
+ } else {
+ m_Color = FXARGB_TODIB(m_Color);
+ }
+ m_Red = r;
+ m_Green = g;
+ m_Blue = b;
+ } else {
+ if (m_bRgbByteOrder) {
+ m_Color = FXARGB_TOBGRORDERDIB(color);
+ } else {
+ m_Color = FXARGB_TODIB(color);
+ }
+ ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue);
+ }
+ }
+ }
+ if (m_pDevice->GetBPP() == 1) {
+ composite_span = &CFX_Renderer::CompositeSpan1bpp;
+ }
+ return TRUE;
+ }
+};
+
+FX_BOOL CFX_AggDeviceDriver::RenderRasterizer(
+ agg::rasterizer_scanline_aa& rasterizer,
+ FX_DWORD color,
+ FX_BOOL bFullCover,
+ FX_BOOL bGroupKnockout,
+ int alpha_flag,
+ void* pIccTransform) {
+ CFX_DIBitmap* pt = bGroupKnockout ? m_pOriDevice : NULL;
+ CFX_Renderer render;
+ if (!render.Init(m_pBitmap, pt, m_pClipRgn, color, bFullCover,
+ m_bRgbByteOrder, alpha_flag, pIccTransform)) {
+ return FALSE;
+ }
+ agg::scanline_u8 scanline;
+ agg::render_scanlines(rasterizer, scanline, render,
+ (m_FillFlags & FXFILL_NOPATHSMOOTH) != 0);
+ return TRUE;
+}
+
+FX_BOOL CFX_AggDeviceDriver::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) {
+ if (blend_type != FXDIB_BLEND_NORMAL) {
+ return FALSE;
+ }
+ if (!GetBuffer()) {
+ return TRUE;
+ }
+ m_FillFlags = fill_mode;
+ if ((fill_mode & 3) && fill_color) {
+ CAgg_PathData path_data;
+ path_data.BuildPath(pPathData, pObject2Device);
+ agg::rasterizer_scanline_aa rasterizer;
+ rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
+ (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
+ rasterizer.add_path(path_data.m_PathData);
+ rasterizer.filling_rule((fill_mode & 3) == FXFILL_WINDING
+ ? agg::fill_non_zero
+ : agg::fill_even_odd);
+ if (!RenderRasterizer(rasterizer, fill_color, fill_mode & FXFILL_FULLCOVER,
+ FALSE, alpha_flag, pIccTransform)) {
+ return FALSE;
+ }
+ }
+ int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag)
+ ? FXGETFLAG_ALPHA_STROKE(alpha_flag)
+ : FXARGB_A(stroke_color);
+ if (pGraphState && stroke_alpha) {
+ if (fill_mode & FX_ZEROAREA_FILL) {
+ CAgg_PathData path_data;
+ path_data.BuildPath(pPathData, pObject2Device);
+ agg::rasterizer_scanline_aa rasterizer;
+ rasterizer.clip_box(0.0f, 0.0f,
+ (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
+ (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
+ RasterizeStroke(rasterizer, path_data.m_PathData, NULL, pGraphState, 1,
+ FALSE, fill_mode & FX_STROKE_TEXT_MODE);
+ int fill_flag = FXGETFLAG_COLORTYPE(alpha_flag) << 8 |
+ FXGETFLAG_ALPHA_STROKE(alpha_flag);
+ if (!RenderRasterizer(rasterizer, stroke_color,
+ fill_mode & FXFILL_FULLCOVER, m_bGroupKnockout,
+ fill_flag, pIccTransform)) {
+ return FALSE;
+ }
+ return TRUE;
+ }
+ CFX_Matrix matrix1, matrix2;
+ if (pObject2Device) {
+ matrix1.a = std::max(FXSYS_fabs(pObject2Device->a),
+ FXSYS_fabs(pObject2Device->b));
+ matrix1.d = matrix1.a;
+ matrix2.Set(pObject2Device->a / matrix1.a, pObject2Device->b / matrix1.a,
+ pObject2Device->c / matrix1.d, pObject2Device->d / matrix1.d,
+ 0, 0);
+ CFX_Matrix mtRervese;
+ mtRervese.SetReverse(matrix2);
+ matrix1 = *pObject2Device;
+ matrix1.Concat(mtRervese);
+ }
+ CAgg_PathData path_data;
+ path_data.BuildPath(pPathData, &matrix1);
+ agg::rasterizer_scanline_aa rasterizer;
+ rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
+ (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
+ RasterizeStroke(rasterizer, path_data.m_PathData, &matrix2, pGraphState,
+ matrix1.a, FALSE, fill_mode & FX_STROKE_TEXT_MODE);
+ int fill_flag = FXGETFLAG_COLORTYPE(alpha_flag) << 8 |
+ FXGETFLAG_ALPHA_STROKE(alpha_flag);
+ if (!RenderRasterizer(rasterizer, stroke_color,
+ fill_mode & FXFILL_FULLCOVER, m_bGroupKnockout,
+ fill_flag, pIccTransform)) {
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+void RgbByteOrderSetPixel(CFX_DIBitmap* pBitmap, int x, int y, FX_DWORD argb) {
+ if (x < 0 || x >= pBitmap->GetWidth() || y < 0 || y >= pBitmap->GetHeight()) {
+ return;
+ }
+ uint8_t* pos = (uint8_t*)pBitmap->GetBuffer() + y * pBitmap->GetPitch() +
+ x * pBitmap->GetBPP() / 8;
+ if (pBitmap->GetFormat() == FXDIB_Argb) {
+ FXARGB_SETRGBORDERDIB(pos, ArgbGamma(argb));
+ } else {
+ int alpha = FXARGB_A(argb);
+ pos[0] = (FXARGB_R(argb) * alpha + pos[0] * (255 - alpha)) / 255;
+ pos[1] = (FXARGB_G(argb) * alpha + pos[1] * (255 - alpha)) / 255;
+ pos[2] = (FXARGB_B(argb) * alpha + pos[2] * (255 - alpha)) / 255;
+ }
+}
+
+void RgbByteOrderCompositeRect(CFX_DIBitmap* pBitmap,
+ int left,
+ int top,
+ int width,
+ int height,
+ FX_ARGB argb) {
+ int src_alpha = FXARGB_A(argb);
+ if (src_alpha == 0) {
+ return;
+ }
+ FX_RECT rect(left, top, left + width, top + height);
+ rect.Intersect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight());
+ width = rect.Width();
+ int src_r = FXARGB_R(argb), src_g = FXARGB_G(argb), src_b = FXARGB_B(argb);
+ int Bpp = pBitmap->GetBPP() / 8;
+ FX_BOOL bAlpha = pBitmap->HasAlpha();
+ int dib_argb = FXARGB_TOBGRORDERDIB(argb);
+ uint8_t* pBuffer = pBitmap->GetBuffer();
+ if (src_alpha == 255) {
+ for (int row = rect.top; row < rect.bottom; row++) {
+ uint8_t* dest_scan =
+ pBuffer + row * pBitmap->GetPitch() + rect.left * Bpp;
+ if (Bpp == 4) {
+ FX_DWORD* scan = (FX_DWORD*)dest_scan;
+ for (int col = 0; col < width; col++) {
+ *scan++ = dib_argb;
+ }
+ } else {
+ for (int col = 0; col < width; col++) {
+ *dest_scan++ = src_r;
+ *dest_scan++ = src_g;
+ *dest_scan++ = src_b;
+ }
+ }
+ }
+ return;
+ }
+ src_r = FX_GAMMA(src_r);
+ src_g = FX_GAMMA(src_g);
+ src_b = FX_GAMMA(src_b);
+ for (int row = rect.top; row < rect.bottom; row++) {
+ uint8_t* dest_scan = pBuffer + row * pBitmap->GetPitch() + rect.left * Bpp;
+ if (bAlpha) {
+ for (int col = 0; col < width; col++) {
+ uint8_t back_alpha = dest_scan[3];
+ if (back_alpha == 0) {
+ FXARGB_SETRGBORDERDIB(dest_scan,
+ FXARGB_MAKE(src_alpha, src_r, src_g, src_b));
+ dest_scan += 4;
+ continue;
+ }
+ uint8_t dest_alpha =
+ back_alpha + src_alpha - back_alpha * src_alpha / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
+ dest_scan += 2;
+ }
+ } else {
+ for (int col = 0; col < width; col++) {
+ *dest_scan = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_r, src_alpha));
+ dest_scan++;
+ *dest_scan = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_g, src_alpha));
+ dest_scan++;
+ *dest_scan = FX_GAMMA_INVERSE(
+ FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_b, src_alpha));
+ dest_scan++;
+ if (Bpp == 4) {
+ dest_scan++;
+ }
+ }
+ }
+ }
+}
+
+void RgbByteOrderTransferBitmap(CFX_DIBitmap* pBitmap,
+ int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ const CFX_DIBSource* pSrcBitmap,
+ int src_left,
+ int src_top) {
+ if (!pBitmap) {
+ return;
+ }
+ pBitmap->GetOverlapRect(dest_left, dest_top, width, height,
+ pSrcBitmap->GetWidth(), pSrcBitmap->GetHeight(),
+ src_left, src_top, NULL);
+ if (width == 0 || height == 0) {
+ return;
+ }
+ int Bpp = pBitmap->GetBPP() / 8;
+ FXDIB_Format dest_format = pBitmap->GetFormat();
+ FXDIB_Format src_format = pSrcBitmap->GetFormat();
+ int pitch = pBitmap->GetPitch();
+ uint8_t* buffer = pBitmap->GetBuffer();
+ if (dest_format == src_format) {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = buffer + (dest_top + row) * pitch + dest_left * Bpp;
+ uint8_t* src_scan =
+ (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp;
+ if (Bpp == 4) {
+ for (int col = 0; col < width; col++) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_scan[3], src_scan[0],
+ src_scan[1], src_scan[2]));
+ dest_scan += 4;
+ src_scan += 4;
+ }
+ } else {
+ for (int col = 0; col < width; col++) {
+ *dest_scan++ = src_scan[2];
+ *dest_scan++ = src_scan[1];
+ *dest_scan++ = src_scan[0];
+ src_scan += 3;
+ }
+ }
+ }
+ return;
+ }
+ uint8_t* dest_buf = buffer + dest_top * pitch + dest_left * Bpp;
+ if (dest_format == FXDIB_Rgb) {
+ if (src_format == FXDIB_Rgb32) {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * pitch;
+ uint8_t* src_scan =
+ (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
+ for (int col = 0; col < width; col++) {
+ *dest_scan++ = src_scan[2];
+ *dest_scan++ = src_scan[1];
+ *dest_scan++ = src_scan[0];
+ src_scan += 4;
+ }
+ }
+ } else {
+ ASSERT(FALSE);
+ }
+ } else if (dest_format == FXDIB_Argb || dest_format == FXDIB_Rgb32) {
+ if (src_format == FXDIB_Rgb) {
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = (uint8_t*)(dest_buf + row * pitch);
+ uint8_t* src_scan =
+ (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * 3;
+ if (src_format == FXDIB_Argb) {
+ for (int col = 0; col < width; col++) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, FX_GAMMA(src_scan[0]),
+ FX_GAMMA(src_scan[1]),
+ FX_GAMMA(src_scan[2])));
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ } else {
+ for (int col = 0; col < width; col++) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[0], src_scan[1],
+ src_scan[2]));
+ dest_scan += 4;
+ src_scan += 3;
+ }
+ }
+ }
+ } else if (src_format == FXDIB_Rgb32) {
+ ASSERT(dest_format == FXDIB_Argb);
+ for (int row = 0; row < height; row++) {
+ uint8_t* dest_scan = dest_buf + row * pitch;
+ uint8_t* src_scan =
+ (uint8_t*)(pSrcBitmap->GetScanline(src_top + row) + src_left * 4);
+ for (int col = 0; col < width; col++) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[0], src_scan[1],
+ src_scan[2]));
+ src_scan += 4;
+ dest_scan += 4;
+ }
+ }
+ }
+ } else {
+ ASSERT(FALSE);
+ }
+}
+
+FX_ARGB _DefaultCMYK2ARGB(FX_CMYK cmyk, uint8_t alpha) {
+ uint8_t r, g, b;
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(cmyk), FXSYS_GetMValue(cmyk),
+ FXSYS_GetYValue(cmyk), FXSYS_GetKValue(cmyk), r, g, b);
+ return ArgbEncode(alpha, r, g, b);
+}
+
+FX_BOOL _DibSetPixel(CFX_DIBitmap* pDevice,
+ int x,
+ int y,
+ FX_DWORD color,
+ int alpha_flag,
+ void* pIccTransform) {
+ FX_BOOL bObjCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
+ int alpha = bObjCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
+ if (pIccTransform) {
+ ICodec_IccModule* pIccModule =
+ CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
+ color = bObjCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&color,
+ (uint8_t*)&color, 1);
+ color = bObjCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+ if (!pDevice->IsCmykImage()) {
+ color = (color & 0xffffff) | (alpha << 24);
+ }
+ } else {
+ if (pDevice->IsCmykImage()) {
+ if (!bObjCMYK) {
+ return FALSE;
+ }
+ } else {
+ if (bObjCMYK) {
+ color = _DefaultCMYK2ARGB(color, alpha);
+ }
+ }
+ }
+ pDevice->SetPixel(x, y, color);
+ if (pDevice->m_pAlphaMask) {
+ pDevice->m_pAlphaMask->SetPixel(x, y, alpha << 24);
+ }
+ return TRUE;
+}
+
+FX_BOOL CFX_AggDeviceDriver::SetPixel(int x,
+ int y,
+ FX_DWORD color,
+ int alpha_flag,
+ void* pIccTransform) {
+ if (!m_pBitmap->GetBuffer()) {
+ return TRUE;
+ }
+ if (!CFX_GEModule::Get()->GetCodecModule() ||
+ !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
+ pIccTransform = NULL;
+ }
+ if (!m_pClipRgn) {
+ if (m_bRgbByteOrder) {
+ RgbByteOrderSetPixel(m_pBitmap, x, y, color);
+ } else {
+ return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform);
+ }
+ } else if (m_pClipRgn->GetBox().Contains(x, y)) {
+ if (m_pClipRgn->GetType() == CFX_ClipRgn::RectI) {
+ if (m_bRgbByteOrder) {
+ RgbByteOrderSetPixel(m_pBitmap, x, y, color);
+ } else {
+ return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform);
+ }
+ } else if (m_pClipRgn->GetType() == CFX_ClipRgn::MaskF) {
+ const CFX_DIBitmap* pMask = m_pClipRgn->GetMask();
+ FX_BOOL bCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
+ int new_alpha =
+ bCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
+ new_alpha = new_alpha * pMask->GetScanline(y)[x] / 255;
+ if (m_bRgbByteOrder) {
+ RgbByteOrderSetPixel(m_pBitmap, x, y,
+ (color & 0xffffff) | (new_alpha << 24));
+ return TRUE;
+ }
+ if (bCMYK) {
+ FXSETFLAG_ALPHA_FILL(alpha_flag, new_alpha);
+ } else {
+ color = (color & 0xffffff) | (new_alpha << 24);
+ }
+ return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform);
+ }
+ }
+ return TRUE;
+}
+
+FX_BOOL CFX_AggDeviceDriver::FillRect(const FX_RECT* pRect,
+ FX_DWORD fill_color,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) {
+ if (blend_type != FXDIB_BLEND_NORMAL) {
+ return FALSE;
+ }
+ if (!m_pBitmap->GetBuffer()) {
+ return TRUE;
+ }
+ FX_RECT clip_rect;
+ GetClipBox(&clip_rect);
+ FX_RECT draw_rect = clip_rect;
+ if (pRect) {
+ draw_rect.Intersect(*pRect);
+ }
+ if (draw_rect.IsEmpty()) {
+ return TRUE;
+ }
+ if (!m_pClipRgn || m_pClipRgn->GetType() == CFX_ClipRgn::RectI) {
+ if (m_bRgbByteOrder) {
+ RgbByteOrderCompositeRect(m_pBitmap, draw_rect.left, draw_rect.top,
+ draw_rect.Width(), draw_rect.Height(),
+ fill_color);
+ } else {
+ m_pBitmap->CompositeRect(draw_rect.left, draw_rect.top, draw_rect.Width(),
+ draw_rect.Height(), fill_color, alpha_flag,
+ pIccTransform);
+ }
+ return TRUE;
+ }
+ m_pBitmap->CompositeMask(
+ draw_rect.left, draw_rect.top, draw_rect.Width(), draw_rect.Height(),
+ (const CFX_DIBitmap*)m_pClipRgn->GetMask(), fill_color,
+ draw_rect.left - clip_rect.left, draw_rect.top - clip_rect.top,
+ FXDIB_BLEND_NORMAL, NULL, m_bRgbByteOrder, alpha_flag, pIccTransform);
+ return TRUE;
+}
+
+FX_BOOL CFX_AggDeviceDriver::GetClipBox(FX_RECT* pRect) {
+ if (!m_pClipRgn) {
+ pRect->left = pRect->top = 0;
+ pRect->right = GetDeviceCaps(FXDC_PIXEL_WIDTH);
+ pRect->bottom = GetDeviceCaps(FXDC_PIXEL_HEIGHT);
+ return TRUE;
+ }
+ *pRect = m_pClipRgn->GetBox();
+ return TRUE;
+}
+
+FX_BOOL CFX_AggDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap,
+ int left,
+ int top,
+ void* pIccTransform,
+ FX_BOOL bDEdge) {
+ if (!m_pBitmap->GetBuffer()) {
+ return TRUE;
+ }
+ if (bDEdge) {
+ if (m_bRgbByteOrder) {
+ RgbByteOrderTransferBitmap(pBitmap, 0, 0, pBitmap->GetWidth(),
+ pBitmap->GetHeight(), m_pBitmap, left, top);
+ } else {
+ return pBitmap->TransferBitmap(0, 0, pBitmap->GetWidth(),
+ pBitmap->GetHeight(), m_pBitmap, left, top,
+ pIccTransform);
+ }
+ return TRUE;
+ }
+ FX_RECT rect(left, top, left + pBitmap->GetWidth(),
+ top + pBitmap->GetHeight());
+ CFX_DIBitmap* pBack = NULL;
+ if (m_pOriDevice) {
+ pBack = m_pOriDevice->Clone(&rect);
+ if (!pBack) {
+ return TRUE;
+ }
+ pBack->CompositeBitmap(0, 0, pBack->GetWidth(), pBack->GetHeight(),
+ m_pBitmap, 0, 0);
+ } else {
+ pBack = m_pBitmap->Clone(&rect);
+ }
+ if (!pBack) {
+ return TRUE;
+ }
+ FX_BOOL bRet = TRUE;
+ left = left >= 0 ? 0 : left;
+ top = top >= 0 ? 0 : top;
+ if (m_bRgbByteOrder) {
+ RgbByteOrderTransferBitmap(pBitmap, 0, 0, rect.Width(), rect.Height(),
+ pBack, left, top);
+ } else {
+ bRet = pBitmap->TransferBitmap(0, 0, rect.Width(), rect.Height(), pBack,
+ left, top, pIccTransform);
+ }
+ delete pBack;
+ return bRet;
+}
+
+FX_BOOL CFX_AggDeviceDriver::SetDIBits(const CFX_DIBSource* pBitmap,
+ FX_DWORD argb,
+ const FX_RECT* pSrcRect,
+ int left,
+ int top,
+ int blend_type,
+ int alpha_flag,
+ void* pIccTransform) {
+ if (!m_pBitmap->GetBuffer()) {
+ return TRUE;
+ }
+ if (pBitmap->IsAlphaMask())
+ return m_pBitmap->CompositeMask(
+ left, top, pSrcRect->Width(), pSrcRect->Height(), pBitmap, argb,
+ pSrcRect->left, pSrcRect->top, blend_type, m_pClipRgn, m_bRgbByteOrder,
+ alpha_flag, pIccTransform);
+ return m_pBitmap->CompositeBitmap(
+ left, top, pSrcRect->Width(), pSrcRect->Height(), pBitmap, pSrcRect->left,
+ pSrcRect->top, blend_type, m_pClipRgn, m_bRgbByteOrder, pIccTransform);
+}
+
+FX_BOOL CFX_AggDeviceDriver::StretchDIBits(const CFX_DIBSource* pSource,
+ FX_DWORD argb,
+ int dest_left,
+ int dest_top,
+ int dest_width,
+ int dest_height,
+ const FX_RECT* pClipRect,
+ FX_DWORD flags,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) {
+ if (!m_pBitmap->GetBuffer()) {
+ return TRUE;
+ }
+ if (dest_width == pSource->GetWidth() &&
+ dest_height == pSource->GetHeight()) {
+ FX_RECT rect(0, 0, dest_width, dest_height);
+ return SetDIBits(pSource, argb, &rect, dest_left, dest_top, blend_type,
+ alpha_flag, pIccTransform);
+ }
+ FX_RECT dest_rect(dest_left, dest_top, dest_left + dest_width,
+ dest_top + dest_height);
+ dest_rect.Normalize();
+ FX_RECT dest_clip = dest_rect;
+ dest_clip.Intersect(*pClipRect);
+ CFX_BitmapComposer composer;
+ composer.Compose(m_pBitmap, m_pClipRgn, 255, argb, dest_clip, FALSE, FALSE,
+ FALSE, m_bRgbByteOrder, alpha_flag, pIccTransform,
+ blend_type);
+ dest_clip.Offset(-dest_rect.left, -dest_rect.top);
+ CFX_ImageStretcher stretcher;
+ if (stretcher.Start(&composer, pSource, dest_width, dest_height, dest_clip,
+ flags)) {
+ stretcher.Continue(NULL);
+ }
+ return TRUE;
+}
+
+FX_BOOL CFX_AggDeviceDriver::StartDIBits(const CFX_DIBSource* pSource,
+ int bitmap_alpha,
+ FX_DWORD argb,
+ const CFX_Matrix* pMatrix,
+ FX_DWORD render_flags,
+ void*& handle,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) {
+ if (!m_pBitmap->GetBuffer()) {
+ return TRUE;
+ }
+ CFX_ImageRenderer* pRenderer = new CFX_ImageRenderer;
+ pRenderer->Start(m_pBitmap, m_pClipRgn, pSource, bitmap_alpha, argb, pMatrix,
+ render_flags, m_bRgbByteOrder, alpha_flag, pIccTransform);
+ handle = pRenderer;
+ return TRUE;
+}
+
+FX_BOOL CFX_AggDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) {
+ if (!m_pBitmap->GetBuffer()) {
+ return TRUE;
+ }
+ return ((CFX_ImageRenderer*)pHandle)->Continue(pPause);
+}
+
+void CFX_AggDeviceDriver::CancelDIBits(void* pHandle) {
+ if (!m_pBitmap->GetBuffer()) {
+ return;
+ }
+ delete (CFX_ImageRenderer*)pHandle;
+}
+
+CFX_FxgeDevice::CFX_FxgeDevice() {
+ m_bOwnedBitmap = FALSE;
+}
+
+bool CFX_FxgeDevice::Attach(CFX_DIBitmap* pBitmap,
+ int dither_bits,
+ bool bRgbByteOrder,
+ CFX_DIBitmap* pOriDevice,
+ bool bGroupKnockout) {
+ if (!pBitmap) {
+ return false;
+ }
+ SetBitmap(pBitmap);
+ IFX_RenderDeviceDriver* pDriver = new CFX_AggDeviceDriver(
+ pBitmap, dither_bits, bRgbByteOrder, pOriDevice, bGroupKnockout);
+ SetDeviceDriver(pDriver);
+ return true;
+}
+
+bool CFX_FxgeDevice::Create(int width,
+ int height,
+ FXDIB_Format format,
+ int dither_bits,
+ CFX_DIBitmap* pOriDevice) {
+ m_bOwnedBitmap = true;
+ CFX_DIBitmap* pBitmap = new CFX_DIBitmap;
+ if (!pBitmap->Create(width, height, format)) {
+ delete pBitmap;
+ return false;
+ }
+ SetBitmap(pBitmap);
+ IFX_RenderDeviceDriver* pDriver =
+ new CFX_AggDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE);
+ SetDeviceDriver(pDriver);
+ return true;
+}
+
+CFX_FxgeDevice::~CFX_FxgeDevice() {
+ if (m_bOwnedBitmap) {
+ delete GetBitmap();
+ }
+}
diff --git a/core/fxge/agg/fx_agg_driver.h b/core/fxge/agg/fx_agg_driver.h
new file mode 100644
index 0000000000..3631016fea
--- /dev/null
+++ b/core/fxge/agg/fx_agg_driver.h
@@ -0,0 +1,152 @@
+// 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_AGG_FX_AGG_DRIVER_H_
+#define CORE_FXGE_AGG_FX_AGG_DRIVER_H_
+
+#include "core/include/fxge/fx_ge.h"
+#include "third_party/agg23/agg_clip_liang_barsky.h"
+#include "third_party/agg23/agg_path_storage.h"
+#include "third_party/agg23/agg_rasterizer_scanline_aa.h"
+
+class CFX_Matrix;
+class CFX_PathData;
+
+class CAgg_PathData {
+ public:
+ CAgg_PathData() {}
+ ~CAgg_PathData() {}
+ void BuildPath(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device);
+
+ agg::path_storage m_PathData;
+};
+
+class CFX_AggDeviceDriver : public IFX_RenderDeviceDriver {
+ public:
+ CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap,
+ int dither_bits,
+ FX_BOOL bRgbByteOrder,
+ CFX_DIBitmap* pOriDevice,
+ FX_BOOL bGroupKnockout);
+ ~CFX_AggDeviceDriver() override;
+
+ void InitPlatform();
+ void DestroyPlatform();
+
+ // IFX_RenderDeviceDriver
+ int GetDeviceCaps(int caps_id) override;
+ void SaveState() override;
+ void RestoreState(FX_BOOL bKeepSaved) override;
+ FX_BOOL SetClip_PathFill(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ int fill_mode) override;
+ FX_BOOL SetClip_PathStroke(const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState) override;
+ FX_BOOL 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) override;
+ FX_BOOL SetPixel(int x,
+ int y,
+ FX_DWORD color,
+ int alpha_flag,
+ void* pIccTransform) override;
+ FX_BOOL FillRect(const FX_RECT* pRect,
+ FX_DWORD fill_color,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) override;
+ FX_BOOL DrawCosmeticLine(FX_FLOAT x1,
+ FX_FLOAT y1,
+ FX_FLOAT x2,
+ FX_FLOAT y2,
+ FX_DWORD color,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) override {
+ return FALSE;
+ }
+ FX_BOOL GetClipBox(FX_RECT* pRect) override;
+ FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap,
+ int left,
+ int top,
+ void* pIccTransform = NULL,
+ FX_BOOL bDEdge = FALSE) override;
+ CFX_DIBitmap* GetBackDrop() override { return m_pOriDevice; }
+ FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap,
+ FX_DWORD color,
+ const FX_RECT* pSrcRect,
+ int left,
+ int top,
+ int blend_type,
+ int alpha_flag,
+ void* pIccTransform) override;
+ FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap,
+ FX_DWORD color,
+ int dest_left,
+ int dest_top,
+ int dest_width,
+ int dest_height,
+ const FX_RECT* pClipRect,
+ FX_DWORD flags,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) override;
+ FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap,
+ int bitmap_alpha,
+ FX_DWORD color,
+ const CFX_Matrix* pMatrix,
+ FX_DWORD flags,
+ void*& handle,
+ int alpha_flag,
+ void* pIccTransform,
+ int blend_type) override;
+ FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause) override;
+ void CancelDIBits(void* handle) override;
+ FX_BOOL DrawDeviceText(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) override;
+ int GetDriverType() override { return 1; }
+
+ FX_BOOL RenderRasterizer(agg::rasterizer_scanline_aa& rasterizer,
+ FX_DWORD color,
+ FX_BOOL bFullCover,
+ FX_BOOL bGroupKnockout,
+ int alpha_flag,
+ void* pIccTransform);
+
+ void SetClipMask(agg::rasterizer_scanline_aa& rasterizer);
+
+ virtual uint8_t* GetBuffer() const;
+
+ private:
+ CFX_DIBitmap* m_pBitmap;
+ CFX_ClipRgn* m_pClipRgn;
+ CFX_ArrayTemplate<CFX_ClipRgn*> m_StateStack;
+ void* m_pPlatformGraphics;
+ void* m_pPlatformBitmap;
+ void* m_pDwRenderTartget;
+ int m_FillFlags;
+ int m_DitherBits;
+ FX_BOOL m_bRgbByteOrder;
+ CFX_DIBitmap* m_pOriDevice;
+ FX_BOOL m_bGroupKnockout;
+};
+
+#endif // CORE_FXGE_AGG_FX_AGG_DRIVER_H_