Refactor fx_ge part 3

core/fxge/ge/cfx_renderdevice.cpp

+// 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;
+}