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Unified Diff: core/fxge/ge/cfx_renderdevice.cpp

Issue 2223213002: Refactor fx_ge part 3 (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase Created 4 years, 4 months ago
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Index: core/fxge/ge/cfx_renderdevice.cpp
diff --git a/core/fxge/ge/cfx_renderdevice.cpp b/core/fxge/ge/cfx_renderdevice.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..f04f4bab9a38a3614bef92725c2c68649df25294
--- /dev/null
+++ b/core/fxge/ge/cfx_renderdevice.cpp
@@ -0,0 +1,1072 @@
+// Copyright 2016 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/include/cfx_renderdevice.h"
+
+#include "core/fxge/include/cfx_fxgedevice.h"
+#include "core/fxge/include/cfx_graphstatedata.h"
+#include "core/fxge/include/cfx_pathdata.h"
+#include "core/fxge/include/ifx_renderdevicedriver.h"
+
+#if defined _SKIA_SUPPORT_
+#include "third_party/skia/include/core/SkTypes.h"
+#endif
+
+namespace {
+
+void AdjustGlyphSpace(std::vector<FXTEXT_GLYPHPOS>* pGlyphAndPos) {
+ ASSERT(pGlyphAndPos->size() > 1);
+ std::vector<FXTEXT_GLYPHPOS>& glyphs = *pGlyphAndPos;
+ bool bVertical = glyphs.back().m_OriginX == glyphs.front().m_OriginX;
+ if (!bVertical && (glyphs.back().m_OriginY != glyphs.front().m_OriginY))
+ return;
+
+ for (size_t i = glyphs.size() - 1; i > 1; --i) {
+ FXTEXT_GLYPHPOS& next = glyphs[i];
+ int next_origin = bVertical ? next.m_OriginY : next.m_OriginX;
+ FX_FLOAT next_origin_f = bVertical ? next.m_fOriginY : next.m_fOriginX;
+
+ FXTEXT_GLYPHPOS& current = glyphs[i - 1];
+ int& current_origin = bVertical ? current.m_OriginY : current.m_OriginX;
+ FX_FLOAT current_origin_f =
+ bVertical ? current.m_fOriginY : current.m_fOriginX;
+
+ int space = next_origin - current_origin;
+ FX_FLOAT space_f = next_origin_f - current_origin_f;
+ FX_FLOAT error =
+ FXSYS_fabs(space_f) - FXSYS_fabs(static_cast<FX_FLOAT>(space));
+ if (error > 0.5f)
+ current_origin += space > 0 ? -1 : 1;
+ }
+}
+
+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,
+};
+
+int TextGammaAdjust(int value) {
+ ASSERT(value >= 0);
+ ASSERT(value <= 255);
+ return g_TextGammaAdjust[value];
+}
+
+int CalcAlpha(int src, int alpha) {
+ return src * alpha / 255;
+}
+
+void Merge(uint8_t src, int channel, int alpha, uint8_t* dest) {
+ *dest = FXDIB_ALPHA_MERGE(*dest, channel, CalcAlpha(src, alpha));
+}
+
+void MergeGammaAdjust(uint8_t src, int channel, int alpha, uint8_t* dest) {
+ *dest =
+ FXDIB_ALPHA_MERGE(*dest, channel, CalcAlpha(TextGammaAdjust(src), alpha));
+}
+
+void MergeGammaAdjustBgr(const uint8_t* src,
+ int r,
+ int g,
+ int b,
+ int a,
+ uint8_t* dest) {
+ MergeGammaAdjust(src[0], b, a, &dest[0]);
+ MergeGammaAdjust(src[1], g, a, &dest[1]);
+ MergeGammaAdjust(src[2], r, a, &dest[2]);
+}
+
+void MergeGammaAdjustRgb(const uint8_t* src,
+ int r,
+ int g,
+ int b,
+ int a,
+ uint8_t* dest) {
+ MergeGammaAdjust(src[2], b, a, &dest[0]);
+ MergeGammaAdjust(src[1], g, a, &dest[1]);
+ MergeGammaAdjust(src[0], r, a, &dest[2]);
+}
+
+int AverageRgb(const uint8_t* src) {
+ return (src[0] + src[1] + src[2]) / 3;
+}
+
+uint8_t CalculateDestAlpha(uint8_t back_alpha, int src_alpha) {
+ return back_alpha + src_alpha - back_alpha * src_alpha / 255;
+}
+
+void ApplyDestAlpha(uint8_t back_alpha,
+ int src_alpha,
+ int r,
+ int g,
+ int b,
+ uint8_t* dest) {
+ uint8_t dest_alpha = CalculateDestAlpha(back_alpha, src_alpha);
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ dest[0] = FXDIB_ALPHA_MERGE(dest[0], b, alpha_ratio);
+ dest[1] = FXDIB_ALPHA_MERGE(dest[1], g, alpha_ratio);
+ dest[2] = FXDIB_ALPHA_MERGE(dest[2], r, alpha_ratio);
+ dest[3] = dest_alpha;
+}
+
+void NormalizeRgbDst(int src_value, int r, int g, int b, int a, uint8_t* dest) {
+ int src_alpha = CalcAlpha(TextGammaAdjust(src_value), a);
+ dest[0] = FXDIB_ALPHA_MERGE(dest[0], b, src_alpha);
+ dest[1] = FXDIB_ALPHA_MERGE(dest[1], g, src_alpha);
+ dest[2] = FXDIB_ALPHA_MERGE(dest[2], r, src_alpha);
+}
+
+void NormalizeRgbSrc(int src_value, int r, int g, int b, int a, uint8_t* dest) {
+ int src_alpha = CalcAlpha(TextGammaAdjust(src_value), a);
+ if (src_alpha == 0)
+ return;
+
+ dest[0] = FXDIB_ALPHA_MERGE(dest[0], b, src_alpha);
+ dest[1] = FXDIB_ALPHA_MERGE(dest[1], g, src_alpha);
+ dest[2] = FXDIB_ALPHA_MERGE(dest[2], r, src_alpha);
+}
+
+void NormalizeArgbDest(int src_value,
+ int r,
+ int g,
+ int b,
+ int a,
+ uint8_t* dest) {
+ int src_alpha = CalcAlpha(TextGammaAdjust(src_value), a);
+ uint8_t back_alpha = dest[3];
+ if (back_alpha == 0) {
+ FXARGB_SETDIB(dest, FXARGB_MAKE(src_alpha, r, g, b));
+ } else if (src_alpha != 0) {
+ ApplyDestAlpha(back_alpha, src_alpha, r, g, b, dest);
+ }
+}
+
+void NormalizeArgbSrc(int src_value,
+ int r,
+ int g,
+ int b,
+ int a,
+ uint8_t* dest) {
+ int src_alpha = CalcAlpha(TextGammaAdjust(src_value), a);
+ if (src_alpha == 0)
+ return;
+
+ uint8_t back_alpha = dest[3];
+ if (back_alpha == 0) {
+ FXARGB_SETDIB(dest, FXARGB_MAKE(src_alpha, r, g, b));
+ } else {
+ ApplyDestAlpha(back_alpha, src_alpha, r, g, b, dest);
+ }
+}
+
+void NextPixel(uint8_t** src_scan, uint8_t** dst_scan, int bpp) {
+ *src_scan += 3;
+ *dst_scan += bpp;
+}
+
+void SetAlpha(uint8_t* alpha) {
+ alpha[3] = 255;
+}
+
+void SetAlphaDoNothing(uint8_t* alpha) {}
+
+void DrawNormalTextHelper(CFX_DIBitmap* bitmap,
+ const CFX_DIBitmap* pGlyph,
+ int nrows,
+ int left,
+ int top,
+ int start_col,
+ int end_col,
+ bool bNormal,
+ bool bBGRStripe,
+ int x_subpixel,
+ int a,
+ int r,
+ int g,
+ int b) {
+ const bool has_alpha = bitmap->GetFormat() == FXDIB_Argb;
+ uint8_t* src_buf = pGlyph->GetBuffer();
+ int src_pitch = pGlyph->GetPitch();
+ uint8_t* dest_buf = bitmap->GetBuffer();
+ int dest_pitch = bitmap->GetPitch();
+ const int Bpp = has_alpha ? 4 : bitmap->GetBPP() / 8;
+ auto* pNormalizeSrcFunc = has_alpha ? &NormalizeArgbSrc : &NormalizeRgbDst;
+ auto* pNormalizeDstFunc = has_alpha ? &NormalizeArgbDest : &NormalizeRgbSrc;
+ auto* pSetAlpha = has_alpha ? &SetAlpha : &SetAlphaDoNothing;
+
+ 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++) {
+ if (has_alpha) {
+ Merge(src_scan[2], r, a, &dest_scan[2]);
+ Merge(src_scan[1], g, a, &dest_scan[1]);
+ Merge(src_scan[0], b, a, &dest_scan[0]);
+ } else {
+ MergeGammaAdjustBgr(&src_scan[0], r, g, b, a, &dest_scan[0]);
+ }
+ pSetAlpha(dest_scan);
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ }
+ } else if (x_subpixel == 1) {
+ MergeGammaAdjust(src_scan[1], r, a, &dest_scan[2]);
+ MergeGammaAdjust(src_scan[0], g, a, &dest_scan[1]);
+ if (start_col > left)
+ MergeGammaAdjust(src_scan[-1], b, a, &dest_scan[0]);
+ pSetAlpha(dest_scan);
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ for (int col = start_col + 1; col < end_col - 1; col++) {
+ MergeGammaAdjustBgr(&src_scan[-1], r, g, b, a, &dest_scan[0]);
+ pSetAlpha(dest_scan);
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ }
+ } else {
+ MergeGammaAdjust(src_scan[0], r, a, &dest_scan[2]);
+ if (start_col > left) {
+ MergeGammaAdjust(src_scan[-1], g, a, &dest_scan[1]);
+ MergeGammaAdjust(src_scan[-2], b, a, &dest_scan[0]);
+ }
+ pSetAlpha(dest_scan);
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ for (int col = start_col + 1; col < end_col - 1; col++) {
+ MergeGammaAdjustBgr(&src_scan[-2], r, g, b, a, &dest_scan[0]);
+ pSetAlpha(dest_scan);
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ }
+ }
+ } else {
+ if (x_subpixel == 0) {
+ for (int col = start_col; col < end_col; col++) {
+ if (bNormal) {
+ int src_value = AverageRgb(&src_scan[0]);
+ pNormalizeDstFunc(src_value, r, g, b, a, dest_scan);
+ } else {
+ MergeGammaAdjustRgb(&src_scan[0], r, g, b, a, &dest_scan[0]);
+ pSetAlpha(dest_scan);
+ }
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ }
+ } else if (x_subpixel == 1) {
+ if (bNormal) {
+ int src_value = start_col > left ? AverageRgb(&src_scan[-1])
+ : (src_scan[0] + src_scan[1]) / 3;
+ pNormalizeSrcFunc(src_value, r, g, b, a, dest_scan);
+ } else {
+ if (start_col > left)
+ MergeGammaAdjust(src_scan[-1], r, a, &dest_scan[2]);
+ MergeGammaAdjust(src_scan[0], g, a, &dest_scan[1]);
+ MergeGammaAdjust(src_scan[1], b, a, &dest_scan[0]);
+ pSetAlpha(dest_scan);
+ }
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ for (int col = start_col + 1; col < end_col; col++) {
+ if (bNormal) {
+ int src_value = AverageRgb(&src_scan[-1]);
+ pNormalizeDstFunc(src_value, r, g, b, a, dest_scan);
+ } else {
+ MergeGammaAdjustRgb(&src_scan[-1], r, g, b, a, &dest_scan[0]);
+ pSetAlpha(dest_scan);
+ }
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ }
+ } else {
+ if (bNormal) {
+ int src_value =
+ start_col > left ? AverageRgb(&src_scan[-2]) : src_scan[0] / 3;
+ pNormalizeSrcFunc(src_value, r, g, b, a, dest_scan);
+ } else {
+ if (start_col > left) {
+ MergeGammaAdjust(src_scan[-2], r, a, &dest_scan[2]);
+ MergeGammaAdjust(src_scan[-1], g, a, &dest_scan[1]);
+ }
+ MergeGammaAdjust(src_scan[0], b, a, &dest_scan[0]);
+ pSetAlpha(dest_scan);
+ }
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ for (int col = start_col + 1; col < end_col; col++) {
+ if (bNormal) {
+ int src_value = AverageRgb(&src_scan[-2]);
+ pNormalizeDstFunc(src_value, r, g, b, a, dest_scan);
+ } else {
+ MergeGammaAdjustRgb(&src_scan[-2], r, g, b, a, &dest_scan[0]);
+ pSetAlpha(dest_scan);
+ }
+ NextPixel(&src_scan, &dest_scan, Bpp);
+ }
+ }
+ }
+ }
+}
+
+bool ShouldDrawDeviceText(const CFX_Font* pFont, uint32_t text_flags) {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ if (text_flags & FXFONT_CIDFONT)
+ return false;
+
+ const CFX_ByteString bsPsName = pFont->GetPsName();
+ if (bsPsName.Find("+ZJHL") != -1)
+ return false;
+
+ if (bsPsName == "CNAAJI+cmex10")
+ return false;
+#endif
+ return true;
+}
+
+} // namespace
+
+CFX_RenderDevice::CFX_RenderDevice()
+ : m_pBitmap(nullptr),
+ m_Width(0),
+ m_Height(0),
+ m_bpp(0),
+ m_RenderCaps(0),
+ m_DeviceClass(0) {}
+
+CFX_RenderDevice::~CFX_RenderDevice() {}
+
+#ifdef _SKIA_SUPPORT_
+void CFX_RenderDevice::Flush() {
+ m_pDeviceDriver.reset();
+}
+#endif
+
+void CFX_RenderDevice::SetDeviceDriver(
+ std::unique_ptr<IFX_RenderDeviceDriver> pDriver) {
+ m_pDeviceDriver = std::move(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(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::DrawPathWithBlend(
+ const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState,
+ uint32_t fill_color,
+ uint32_t stroke_color,
+ int fill_mode,
+ int blend_type) {
+ uint8_t stroke_alpha = pGraphState ? FXARGB_A(stroke_color) : 0;
+ uint8_t fill_alpha = (fill_mode & 3) ? FXARGB_A(fill_color) : 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;
+ }
+ DrawCosmeticLineWithFillModeAndBlend(x1, y1, x2, y2, fill_color, fill_mode,
+ 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.GetOuterRect();
+
+ // Depending on the top/bottom, left/right values of the rect it's
+ // possible to overflow the Width() and Height() calculations. Check that
+ // the rect will have valid dimension before continuing.
+ if (!rect_i.Valid())
+ return FALSE;
+
+ 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 (FillRectWithBlend(&rect_i, fill_color, 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;
+ uint32_t strokecolor = fill_color;
+ if (bThin)
+ strokecolor = (((fill_alpha >> 2) << 24) | (strokecolor & 0x00ffffff));
+ CFX_Matrix* pMatrix = nullptr;
+ 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, blend_type);
+ }
+ }
+ if ((fill_mode & 3) && fill_alpha && stroke_alpha < 0xff &&
+ (fill_mode & FX_FILL_STROKE)) {
+ if (m_RenderCaps & FXRC_FILLSTROKE_PATH) {
+ return m_pDeviceDriver->DrawPath(pPathData, pObject2Device, pGraphState,
+ fill_color, stroke_color, fill_mode,
+ blend_type);
+ }
+ return DrawFillStrokePath(pPathData, pObject2Device, pGraphState,
+ fill_color, stroke_color, fill_mode, blend_type);
+ }
+ return m_pDeviceDriver->DrawPath(pPathData, pObject2Device, pGraphState,
+ fill_color, stroke_color, fill_mode,
+ blend_type);
+}
+
+// This can be removed once PDFium entirely relies on Skia
+FX_BOOL CFX_RenderDevice::DrawFillStrokePath(
+ const CFX_PathData* pPathData,
+ const CFX_Matrix* pObject2Device,
+ const CFX_GraphStateData* pGraphState,
+ uint32_t fill_color,
+ uint32_t stroke_color,
+ int fill_mode,
+ int blend_type) {
+ 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.GetOuterRect();
+ 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))
+ return FALSE;
+ Backdrop.Copy(&bitmap);
+ }
+ CFX_FxgeDevice bitmap_device;
+ bitmap_device.Attach(&bitmap, 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,
+ 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);
+}
+
+FX_BOOL CFX_RenderDevice::SetPixel(int x, int y, uint32_t color) {
+ if (m_pDeviceDriver->SetPixel(x, y, color))
+ return TRUE;
+
+ FX_RECT rect(x, y, x + 1, y + 1);
+ return FillRectWithBlend(&rect, color, FXDIB_BLEND_NORMAL);
+}
+
+FX_BOOL CFX_RenderDevice::FillRectWithBlend(const FX_RECT* pRect,
+ uint32_t fill_color,
+ int blend_type) {
+ if (m_pDeviceDriver->FillRectWithBlend(pRect, fill_color, 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,
+ 0, nullptr)) {
+ 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::DrawCosmeticLineWithFillModeAndBlend(FX_FLOAT x1,
+ FX_FLOAT y1,
+ FX_FLOAT x2,
+ FX_FLOAT y2,
+ uint32_t color,
+ int fill_mode,
+ int blend_type) {
+ if ((color >= 0xff000000) &&
+ m_pDeviceDriver->DrawCosmeticLine(x1, y1, x2, y2, color, 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, nullptr, &graph_state, 0, color,
+ fill_mode, blend_type);
+}
+
+FX_BOOL CFX_RenderDevice::GetDIBits(CFX_DIBitmap* pBitmap, int left, int top) {
+ if (!(m_RenderCaps & FXRC_GET_BITS))
+ return FALSE;
+ return m_pDeviceDriver->GetDIBits(pBitmap, left, top);
+}
+
+CFX_DIBitmap* CFX_RenderDevice::GetBackDrop() {
+ return m_pDeviceDriver->GetBackDrop();
+}
+
+FX_BOOL CFX_RenderDevice::SetDIBitsWithBlend(const CFX_DIBSource* pBitmap,
+ int left,
+ int top,
+ int blend_mode) {
+ 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, nullptr, FALSE, nullptr)) {
+ return FALSE;
+ }
+ FX_RECT rect(0, 0, bg_pixel_width, bg_pixel_height);
+ return m_pDeviceDriver->SetDIBits(&background, 0, &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);
+}
+
+FX_BOOL CFX_RenderDevice::StretchDIBitsWithFlagsAndBlend(
+ const CFX_DIBSource* pBitmap,
+ int left,
+ int top,
+ int dest_width,
+ int dest_height,
+ uint32_t flags,
+ 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,
+ blend_mode);
+}
+
+FX_BOOL CFX_RenderDevice::SetBitMask(const CFX_DIBSource* pBitmap,
+ int left,
+ int top,
+ uint32_t argb) {
+ FX_RECT src_rect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight());
+ return m_pDeviceDriver->SetDIBits(pBitmap, argb, &src_rect, left, top,
+ FXDIB_BLEND_NORMAL);
+}
+
+FX_BOOL CFX_RenderDevice::StretchBitMask(const CFX_DIBSource* pBitmap,
+ int left,
+ int top,
+ int dest_width,
+ int dest_height,
+ uint32_t color) {
+ return StretchBitMaskWithFlags(pBitmap, left, top, dest_width, dest_height,
+ color, 0);
+}
+
+FX_BOOL CFX_RenderDevice::StretchBitMaskWithFlags(const CFX_DIBSource* pBitmap,
+ int left,
+ int top,
+ int dest_width,
+ int dest_height,
+ uint32_t argb,
+ uint32_t flags) {
+ 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,
+ FXDIB_BLEND_NORMAL);
+}
+
+FX_BOOL CFX_RenderDevice::StartDIBitsWithBlend(const CFX_DIBSource* pBitmap,
+ int bitmap_alpha,
+ uint32_t argb,
+ const CFX_Matrix* pMatrix,
+ uint32_t flags,
+ void*& handle,
+ int blend_mode) {
+ return m_pDeviceDriver->StartDIBits(pBitmap, bitmap_alpha, argb, pMatrix,
+ flags, handle, 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);
+}
+
+#ifdef _SKIA_SUPPORT_
+
+void CFX_RenderDevice::DebugVerifyBitmapIsPreMultiplied() const {
+ SkASSERT(0);
+}
+#endif
+
+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,
+ uint32_t fill_color,
+ uint32_t text_flags) {
+ int nativetext_flags = text_flags;
+ if (m_DeviceClass != FXDC_DISPLAY) {
+ if (!(text_flags & FXTEXT_PRINTGRAPHICTEXT)) {
+ if (ShouldDrawDeviceText(pFont, text_flags) &&
+ m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache,
+ pText2Device, font_size,
+ fill_color)) {
+ return TRUE;
+ }
+ }
+ if (FXARGB_A(fill_color) < 255)
+ return FALSE;
+ } else if (!(text_flags & FXTEXT_NO_NATIVETEXT)) {
+ if (ShouldDrawDeviceText(pFont, text_flags) &&
+ m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache,
+ pText2Device, font_size, fill_color)) {
+ return TRUE;
+ }
+ }
+ CFX_Matrix char2device;
+ CFX_Matrix 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) &&
+ !(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 DrawTextPathWithFlags(nChars, pCharPos, pFont, pCache, font_size,
+ pText2Device, nullptr, nullptr, fill_color,
+ 0, nullptr, nPathFlags);
+ }
+ }
+ int anti_alias = FXFT_RENDER_MODE_MONO;
+ bool bNormal = false;
+ if ((text_flags & FXTEXT_NOSMOOTH) == 0) {
+ if (m_DeviceClass == FXDC_DISPLAY && m_bpp > 1) {
+ if (!CFX_GEModule::Get()->GetFontMgr()->FTLibrarySupportsHinting()) {
+ // Some Freetype implementations (like the one packaged with Fedora) do
+ // not support hinting due to patents 6219025, 6239783, 6307566,
+ // 6225973, 6243070, 6393145, 6421054, 6282327, and 6624828; the latest
+ // one expires 10/7/19. This makes LCD antialiasing very ugly, so we
+ // instead fall back on NORMAL antialiasing.
+ anti_alias = FXFT_RENDER_MODE_NORMAL;
+ } else 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 {
+ anti_alias = FXFT_RENDER_MODE_LCD;
+
+ bool bClearType = false;
+ if (pFont->GetFace() ||
+ (pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_CLEARTYPE)) {
+ bClearType = !!(text_flags & FXTEXT_CLEARTYPE);
+ }
+ bNormal = !bClearType;
+ }
+ }
+ }
+ if (!pCache)
+ pCache = CFX_GEModule::Get()->GetFontCache();
+ CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
+ CFX_AutoFontCache autoFontCache(pCache, pFont);
+ std::vector<FXTEXT_GLYPHPOS> glyphs(nChars);
+ CFX_Matrix matrixCTM = GetCTM();
+ FX_FLOAT scale_x = FXSYS_fabs(matrixCTM.a);
+ FX_FLOAT scale_y = FXSYS_fabs(matrixCTM.d);
+ CFX_Matrix deviceCtm = char2device;
+ deviceCtm.Concat(scale_x, 0, 0, scale_y, 0, 0);
+ text2Device.Concat(scale_x, 0, 0, scale_y, 0, 0);
+ for (size_t i = 0; i < glyphs.size(); ++i) {
+ FXTEXT_GLYPHPOS& glyph = glyphs[i];
+ const FXTEXT_CHARPOS& charpos = pCharPos[i];
+ 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 && glyphs.size() > 1)
+ AdjustGlyphSpace(&glyphs);
+
+ FX_RECT bmp_rect1 = FXGE_GetGlyphsBBox(glyphs, 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())
+ 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))
+ return FALSE;
+ bitmap.Clear(0);
+ for (const FXTEXT_GLYPHPOS& glyph : glyphs) {
+ 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);
+ }
+ 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))
+ return FALSE;
+ } else {
+ if (!CreateCompatibleBitmap(&bitmap, pixel_width, pixel_height))
+ return FALSE;
+ }
+ if (!bitmap.HasAlpha() && !bitmap.IsAlphaMask()) {
+ bitmap.Clear(0xFFFFFFFF);
+ if (!GetDIBits(&bitmap, bmp_rect.left, bmp_rect.top))
+ return FALSE;
+ } else {
+ bitmap.Clear(0);
+ if (bitmap.m_pAlphaMask)
+ bitmap.m_pAlphaMask->Clear(0);
+ }
+ int dest_width = pixel_width;
+ int a = 0;
+ int r = 0;
+ int g = 0;
+ int b = 0;
+ if (anti_alias == FXFT_RENDER_MODE_LCD)
+ ArgbDecode(fill_color, a, r, g, b);
+ for (const FXTEXT_GLYPHPOS& glyph : glyphs) {
+ 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, nullptr, FALSE, 0,
+ nullptr)) {
+ return FALSE;
+ }
+ continue;
+ }
+ bool bBGRStripe = !!(text_flags & FXTEXT_BGR_STRIPE);
+ ncols /= 3;
+ int x_subpixel = (int)(glyph.m_fOriginX * 3) % 3;
+ int start_col = std::max(left, 0);
+ int end_col = std::min(left + ncols, dest_width);
+ if (start_col >= end_col)
+ continue;
+ DrawNormalTextHelper(&bitmap, pGlyph, nrows, left, top, start_col, end_col,
+ bNormal, bBGRStripe, x_subpixel, a, r, g, b);
+ }
+ if (bitmap.IsAlphaMask())
+ SetBitMask(&bitmap, bmp_rect.left, bmp_rect.top, fill_color);
+ else
+ SetDIBits(&bitmap, bmp_rect.left, bmp_rect.top);
+ return TRUE;
+}
+
+FX_BOOL CFX_RenderDevice::DrawTextPathWithFlags(
+ 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,
+ uint32_t fill_color,
+ FX_ARGB stroke_color,
+ CFX_PathData* pClippingPath,
+ int nFlag) {
+ if (!pCache)
+ pCache = CFX_GEModule::Get()->GetFontCache();
+ CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
+ CFX_AutoFontCache autoFontCache(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);
+ if (fill_color || stroke_color) {
+ int fill_mode = nFlag;
+ if (fill_color)
+ fill_mode |= FXFILL_WINDING;
+ fill_mode |= FX_FILL_TEXT_MODE;
+ if (!DrawPathWithBlend(&TransformedPath, pUser2Device, pGraphState,
+ fill_color, stroke_color, fill_mode,
+ FXDIB_BLEND_NORMAL)) {
+ return FALSE;
+ }
+ }
+ if (pClippingPath)
+ pClippingPath->Append(&TransformedPath, pUser2Device);
+ }
+ return TRUE;
+}
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