Refactor fx_ge part 3

core/fxge/ge/fx_ge_text.cpp

Index: core/fxge/ge/fx_ge_text.cpp
diff --git a/core/fxge/ge/fx_ge_text.cpp b/core/fxge/ge/fx_ge_text.cpp
index 83655495b32e06b99e2a1636481dbdec5b137daa..ac110b0291a4a4309cb701f3a7544f86fd381971 100644
--- a/core/fxge/ge/fx_ge_text.cpp
+++ b/core/fxge/ge/fx_ge_text.cpp
@@ -13,7 +13,6 @@
 #include "core/fxge/include/cfx_gemodule.h"
 #include "core/fxge/include/cfx_pathdata.h"
 #include "core/fxge/include/fx_freetype.h"
-#include "core/fxge/include/fx_ge.h"
 #include "core/fxge/include/ifx_renderdevicedriver.h"
 
 #ifdef _SKIA_SUPPORT_
@@ -46,326 +45,6 @@ class ScopedFontTransform {
   FT_Face m_Face;
 };
 
-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
 
 FX_RECT FXGE_GetGlyphsBBox(const std::vector<FXTEXT_GLYPHPOS>& glyphs,
@@ -404,273 +83,6 @@ FX_RECT FXGE_GetGlyphsBBox(const std::vector<FXTEXT_GLYPHPOS>& glyphs,
   return rect;
 }
 
-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;
-}
-
 CFX_FontCache::CFX_FontCache() {}
 
 CFX_FontCache::~CFX_FontCache() {