Pdfium Patch to restore PS Path

core/fxge/win32/fx_ge_ps.cpp

+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include <memory>
+
+#include "core/fpdfapi/cpdf_modulemgr.h"
+#include "core/fxcodec/fx_codec.h"
+#include "core/fxcrt/cfx_maybe_owned.h"
+#include "core/fxge/cfx_facecache.h"
+#include "core/fxge/cfx_fontcache.h"
+#include "core/fxge/cfx_pathdata.h"
+#include "core/fxge/cfx_renderdevice.h"
+#include "core/fxge/ge/fx_text_int.h"
+#include "core/fxge/win32/fx_ge_ps.h"
+
+namespace {
+
+void FaxCompressData(uint8_t* src_buf,
+                     int width,
+                     int height,
+                     std::unique_ptr<uint8_t, FxFreeDeleter>& dest_buf,
+                     uint32_t& dest_size) {
+  if (width * height > 128) {
+    CCodec_FaxModule::FaxEncode(src_buf, width, height, (width + 7) / 8,
+                                dest_buf, dest_size);
+    FX_Free(src_buf);
+  } else {
+    dest_buf.reset(src_buf);
+    dest_size = (width + 7) / 8 * height;
+  }
+}
+
+void PSCompressData(int PSLevel,
+                    uint8_t* src_buf,
+                    uint32_t src_size,
+                    uint8_t*& output_buf,
+                    uint32_t& output_size,
+                    const FX_CHAR*& filter) {
+  printf("PS Compress Data Level %d\n", PSLevel);
+  output_buf = src_buf;
+  output_size = src_size;
+  filter = "";
+  if (src_size < 1024)
+    return;
+  CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
+  uint8_t* dest_buf = nullptr;
+  uint32_t dest_size = src_size;
+  if (PSLevel >= 3) {
+    if (pEncoders &&
+        pEncoders->GetFlateModule()->Encode(src_buf, src_size, &dest_buf,
+                                            &dest_size)) {
+      filter = "/FlateDecode filter ";
+    }
+  } else {
+    if (pEncoders &&
+        pEncoders->GetBasicModule()->RunLengthEncode(src_buf, src_size,
+                                                     dest_buf, dest_size)) {
+      filter = "/RunLengthDecode filter ";
+    }
+  }
+  if (dest_size < src_size) {
+    output_buf = dest_buf;
+    output_size = dest_size;
+  } else {
+    filter = nullptr;
+    FX_Free(dest_buf);
+  }
+}
+
+}  // namespace
+
+struct PSGlyph {
+  CFX_Font* m_pFont;
+  uint32_t m_GlyphIndex;
+  bool m_bGlyphAdjust;
+  FX_FLOAT m_AdjustMatrix[4];
+};
+
+class CPSFont {
+ public:
+  PSGlyph m_Glyphs[256];
+  int m_nGlyphs;
+};
+
+CFX_PSRenderer::CFX_PSRenderer() {
+  m_pOutput = nullptr;
+  m_bColorSet = m_bGraphStateSet = false;
+  m_bInited = false;
+}
+
+CFX_PSRenderer::~CFX_PSRenderer() {
+  for (int i = 0; i < (int)m_PSFontList.GetSize(); i++) {
+    CPSFont* pFont = m_PSFontList[i];
+    delete pFont;
+  }
+}
+
+#define OUTPUT_PS(str) m_pOutput->OutputPS(str, sizeof(str) - 1)
+
+void CFX_PSRenderer::Init(IFX_PSOutput* pOutput,
+                          int pslevel,
+                          int width,
+                          int height,
+                          bool bCmykOutput) {
+  m_PSLevel = pslevel;
+  m_pOutput = pOutput;
+  m_ClipBox.left = m_ClipBox.top = 0;
+  m_ClipBox.right = width;
+  m_ClipBox.bottom = height;
+  m_bCmykOutput = bCmykOutput;
+}
+
+bool CFX_PSRenderer::StartRendering() {
+  if (m_bInited)
+    return true;
+
+  static const char init_str[] =
+      "\nsave\n/im/initmatrix load def\n"
+      "/n/newpath load def/m/moveto load def/l/lineto load def/c/curveto load "
+      "def/h/closepath load def\n"
+      "/f/fill load def/F/eofill load def/s/stroke load def/W/clip load "
+      "def/W*/eoclip load def\n"
+      "/rg/setrgbcolor load def/k/setcmykcolor load def\n"
+      "/J/setlinecap load def/j/setlinejoin load def/w/setlinewidth load "
+      "def/M/setmiterlimit load def/d/setdash load def\n"
+      "/q/gsave load def/Q/grestore load def/iM/imagemask load def\n"
+      "/Tj/show load def/Ff/findfont load def/Fs/scalefont load def/Sf/setfont "
+      "load def\n"
+      "/cm/concat load def/Cm/currentmatrix load def/mx/matrix load "
+      "def/sm/setmatrix load def\n";
+  OUTPUT_PS(init_str);
+  m_bInited = true;
+  return true;
+}
+
+void CFX_PSRenderer::EndRendering() {
+  if (m_bInited)
+    OUTPUT_PS("\nrestore\n");
+  m_bInited = false;
+}
+void CFX_PSRenderer::SaveState() {
+  StartRendering();
+  OUTPUT_PS("q\n");
+  m_ClipBoxStack.Add(m_ClipBox);
+}
+
+void CFX_PSRenderer::RestoreState(bool bKeepSaved) {
+  StartRendering();
+  if (bKeepSaved)
+    OUTPUT_PS("Q\nq\n");
+  else
+    OUTPUT_PS("Q\n");
+
+  m_bColorSet = false;
+  m_bGraphStateSet = false;
+  int size = m_ClipBoxStack.GetSize();
+  if (!size)
+    return;
+
+  m_ClipBox = m_ClipBoxStack.GetAt(size - 1);
+  if (!bKeepSaved)
+    m_ClipBoxStack.RemoveAt(size - 1);
+}
+
+void CFX_PSRenderer::OutputPath(const CFX_PathData* pPathData,
+                                const CFX_Matrix* pObject2Device) {
+  int nPoints = pPathData->GetPointCount();
+  CFX_ByteTextBuf buf;
+  buf.EstimateSize(nPoints * 10);
+  for (int i = 0; i < nPoints; i++) {
+    uint8_t flag = pPathData->GetFlag(i);
+    FX_FLOAT x = pPathData->GetPointX(i);
+    FX_FLOAT y = pPathData->GetPointY(i);
+    if (pObject2Device)
+      pObject2Device->Transform(x, y);
+
+    buf << x << " " << y;
+    switch (flag & FXPT_TYPE) {
+      case FXPT_MOVETO:
+        buf << " m ";
+        break;
+      case FXPT_LINETO:
+        buf << " l ";
+        if (flag & FXPT_CLOSEFIGURE)
+          buf << "h ";
+        break;
+      case FXPT_BEZIERTO: {
+        FX_FLOAT x1 = pPathData->GetPointX(i + 1);
+        FX_FLOAT x2 = pPathData->GetPointX(i + 2);
+        FX_FLOAT y1 = pPathData->GetPointY(i + 1);
+        FX_FLOAT y2 = pPathData->GetPointY(i + 2);
+        if (pObject2Device) {
+          pObject2Device->Transform(x1, y1);
+          pObject2Device->Transform(x2, y2);
+        }
+        buf << " " << x1 << " " << y1 << " " << x2 << " " << y2 << " c";
+        if (flag & FXPT_CLOSEFIGURE)
+          buf << " h";
+        buf << "\n";
+        i += 2;
+        break;
+      }
+    }
+  }
+  m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+}
+
+void CFX_PSRenderer::SetClip_PathFill(const CFX_PathData* pPathData,
+                                      const CFX_Matrix* pObject2Device,
+                                      int fill_mode) {
+  StartRendering();
+  OutputPath(pPathData, pObject2Device);
+  CFX_FloatRect rect = pPathData->GetBoundingBox();
+  fflush(stdout);
+  if (pObject2Device)
+    rect.Transform(pObject2Device);
+  /* This seems to result in the clip box being set to the screen coordinates,
+   * which is wrong.*/
+  /*  if (m_ClipBox.left != 0 || m_ClipBox.top != 0)
+      m_ClipBox.Intersect(rect.GetOuterRect());
+    else {*/
+  m_ClipBox.left = static_cast<int>(rect.left);
+  m_ClipBox.right = static_cast<int>(rect.left + rect.right);
+  m_ClipBox.top = static_cast<int>(rect.top + rect.bottom);
+  m_ClipBox.bottom = static_cast<int>(rect.bottom);
+  //  }
+  fflush(stdout);
+  if ((fill_mode & 3) == FXFILL_WINDING)
+    OUTPUT_PS("W n\n");
+  else
+    OUTPUT_PS("W* n\n");
+}
+
+void CFX_PSRenderer::SetClip_PathStroke(const CFX_PathData* pPathData,
+                                        const CFX_Matrix* pObject2Device,
+                                        const CFX_GraphStateData* pGraphState) {
+  StartRendering();
+  SetGraphState(pGraphState);
+  if (pObject2Device) {
+    CFX_ByteTextBuf buf;
+    buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
+        << pObject2Device->c << " " << pObject2Device->d << " "
+        << pObject2Device->e << " " << pObject2Device->f << "]cm ";
+    m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+  }
+  OutputPath(pPathData, nullptr);
+  CFX_FloatRect rect = pPathData->GetBoundingBox(pGraphState->m_LineWidth,
+                                                 pGraphState->m_MiterLimit);
+  rect.Transform(pObject2Device);
+  m_ClipBox.Intersect(rect.GetOuterRect());
+  if (pObject2Device)
+    OUTPUT_PS("strokepath W n sm\n");
+  else
+    OUTPUT_PS("strokepath W n\n");
+}
+
+bool CFX_PSRenderer::DrawPath(const CFX_PathData* pPathData,
+                              const CFX_Matrix* pObject2Device,
+                              const CFX_GraphStateData* pGraphState,
+                              uint32_t fill_color,
+                              uint32_t stroke_color,
+                              int fill_mode) {
+  StartRendering();
+  int fill_alpha = FXARGB_A(fill_color);
+  if (fill_alpha && fill_alpha < 255)
+    return false;
+
+  int stroke_alpha = FXARGB_A(stroke_color);
+  if (stroke_alpha && stroke_alpha < 255)
+    return false;
+
+  if (fill_alpha == 0 && stroke_alpha == 0)
+    return false;
+
+  if (stroke_alpha) {
+    SetGraphState(pGraphState);
+    if (pObject2Device) {
+      CFX_ByteTextBuf buf;
+      buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
+          << pObject2Device->c << " " << pObject2Device->d << " "
+          << pObject2Device->e << " " << pObject2Device->f << "]cm ";
+      m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+    }
+  }
+  OutputPath(pPathData, stroke_alpha ? nullptr : pObject2Device);
+  if (fill_mode && fill_alpha) {
+    SetColor(fill_color);
+    if ((fill_mode & 3) == FXFILL_WINDING) {
+      if (stroke_alpha)
+        OUTPUT_PS("q f Q ");
+      else
+        OUTPUT_PS("f");
+    } else if ((fill_mode & 3) == FXFILL_ALTERNATE) {
+      if (stroke_alpha)
+        OUTPUT_PS("q F Q ");
+      else
+        OUTPUT_PS("F");
+    }
+  }
+  if (stroke_alpha) {
+    SetColor(stroke_color);
+    if (pObject2Device)
+      OUTPUT_PS("s sm");
+    else
+      OUTPUT_PS("s");
+  }
+  OUTPUT_PS("\n");
+  return true;
+}
+
+void CFX_PSRenderer::SetGraphState(const CFX_GraphStateData* pGraphState) {
+  CFX_ByteTextBuf buf;
+  if (!m_bGraphStateSet ||
+      m_CurGraphState.m_LineCap != pGraphState->m_LineCap) {
+    buf << pGraphState->m_LineCap << " J\n";
+  }
+  if (!m_bGraphStateSet ||
+      m_CurGraphState.m_DashCount != pGraphState->m_DashCount ||
+      FXSYS_memcmp(m_CurGraphState.m_DashArray, pGraphState->m_DashArray,
+                   sizeof(FX_FLOAT) * m_CurGraphState.m_DashCount)) {
+    buf << "[";
+    for (int i = 0; i < pGraphState->m_DashCount; ++i)
+      buf << pGraphState->m_DashArray[i] << " ";
+    buf << "]" << pGraphState->m_DashPhase << " d\n";
+  }
+  if (!m_bGraphStateSet ||
+      m_CurGraphState.m_LineJoin != pGraphState->m_LineJoin) {
+    buf << pGraphState->m_LineJoin << " j\n";
+  }
+  if (!m_bGraphStateSet ||
+      m_CurGraphState.m_LineWidth != pGraphState->m_LineWidth) {
+    buf << pGraphState->m_LineWidth << " w\n";
+  }
+  if (!m_bGraphStateSet ||
+      m_CurGraphState.m_MiterLimit != pGraphState->m_MiterLimit) {
+    buf << pGraphState->m_MiterLimit << " M\n";
+  }
+  m_CurGraphState.Copy(*pGraphState);
+  m_bGraphStateSet = true;
+  if (buf.GetSize()) {
+    m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+  }
+}
+
+bool CFX_PSRenderer::SetDIBits(const CFX_DIBSource* pSource,
+                               uint32_t color,
+                               int left,
+                               int top) {
+  StartRendering();
+  CFX_Matrix matrix((FX_FLOAT)(pSource->GetWidth()), 0.0f, 0.0f,
+                    -(FX_FLOAT)(pSource->GetHeight()), (FX_FLOAT)(left),
+                    (FX_FLOAT)(top + pSource->GetHeight()));
+  return DrawDIBits(pSource, color, &matrix, 0);
+}
+
+bool CFX_PSRenderer::StretchDIBits(const CFX_DIBSource* pSource,
+                                   uint32_t color,
+                                   int dest_left,
+                                   int dest_top,
+                                   int dest_width,
+                                   int dest_height,
+                                   uint32_t flags) {
+  StartRendering();
+  CFX_Matrix matrix((FX_FLOAT)(dest_width), 0.0f, 0.0f,
+                    (FX_FLOAT)(-dest_height), (FX_FLOAT)(dest_left),
+                    (FX_FLOAT)(dest_top + dest_height));
+  return DrawDIBits(pSource, color, &matrix, flags);
+}
+
+bool CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource,
+                                uint32_t color,
+                                const CFX_Matrix* pMatrix,
+                                uint32_t flags) {
+  StartRendering();
+  if ((pMatrix->a == 0 && pMatrix->b == 0) ||
+      (pMatrix->c == 0 && pMatrix->d == 0)) {
+    return true;
+  }
+  if (pSource->HasAlpha())
+    return false;
+
+  int alpha = FXARGB_A(color);
+  if (pSource->IsAlphaMask() && (alpha < 255 || pSource->GetBPP() != 1))
+    return false;
+
+  OUTPUT_PS("q\n");
+  CFX_ByteTextBuf buf;
+  buf << "[" << pMatrix->a << " " << pMatrix->b << " " << pMatrix->c << " "
+      << pMatrix->d << " " << pMatrix->e << " " << pMatrix->f << "]cm ";
+  int width = pSource->GetWidth();
+  int height = pSource->GetHeight();
+  buf << width << " " << height;
+  if (pSource->GetBPP() == 1 && !pSource->GetPalette()) {
+    // base::debug::StackTrace().Print(); fflush(stderr); fflush(stdout);
+    int pitch = (width + 7) / 8;
+    uint32_t src_size = height * pitch;
+    uint8_t* src_buf = FX_Alloc(uint8_t, src_size);
+    for (int row = 0; row < height; row++) {
+      const uint8_t* src_scan = pSource->GetScanline(row);
+      FXSYS_memcpy(src_buf + row * pitch, src_scan, pitch);
+    }
+    std::unique_ptr<uint8_t, FxFreeDeleter> output_buf;
+    uint32_t output_size;
+    FaxCompressData(src_buf, width, height, output_buf, output_size);
+    if (pSource->IsAlphaMask()) {
+      SetColor(color);
+      m_bColorSet = false;
+      buf << " true[";
+    } else {
+      buf << " 1[";
+    }
+    buf << width << " 0 0 -" << height << " 0 " << height
+        << "]currentfile/ASCII85Decode filter ";
+    if (output_buf.get() != src_buf) {
+      buf << "<</K -1/EndOfBlock false/Columns " << width << "/Rows " << height
+          << ">>/CCITTFaxDecode filter ";
+    }
+    if (pSource->IsAlphaMask())
+      buf << "iM\n";
+    else
+      buf << "false 1 colorimage\n";
+
+    m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+    WritePSBinary(output_buf.get(), output_size);
+    output_buf.release();
+  } else {
+    //    CFX_DIBSource* pConverted = (CFX_DIBSource*)pSource;
+    CFX_MaybeOwned<CFX_DIBSource> pConverted((CFX_DIBSource*)pSource);
+    switch (pSource->GetFormat()) {
+      case FXDIB_1bppRgb:
+      case FXDIB_Rgb32:
+        pConverted = pSource->CloneConvert(FXDIB_Rgb);
+        break;
+      case FXDIB_8bppRgb:
+        if (pSource->GetPalette()) {
+          pConverted = pSource->CloneConvert(FXDIB_Rgb);
+        }
+        break;
+      case FXDIB_1bppCmyk:
+        pConverted = pSource->CloneConvert(FXDIB_Cmyk);
+        break;
+      case FXDIB_8bppCmyk:
+        if (pSource->GetPalette()) {
+          pConverted = pSource->CloneConvert(FXDIB_Cmyk);
+        }
+        break;
+      default:
+        break;
+    }
+    if (!pConverted) {
+      OUTPUT_PS("\nQ\n");
+      return false;
+    }
+    int bpp = pConverted->GetBPP() / 8;
+    uint8_t* output_buf = nullptr;
+    FX_STRSIZE output_size = 0;
+    const FX_CHAR* filter = nullptr;
+    if ((flags & FXRENDER_IMAGE_LOSSY) &&
+        CCodec_JpegModule::JpegEncode(pConverted.Get(), output_buf,
+                                      output_size)) {
+      filter = "/DCTDecode filter ";
+    }
+    if (!filter) {
+      int src_pitch = width * bpp;
+      output_size = height * src_pitch;
+      output_buf = FX_Alloc(uint8_t, output_size);
+      for (int row = 0; row < height; row++) {
+        const uint8_t* src_scan = pConverted->GetScanline(row);
+        uint8_t* dest_scan = output_buf + row * src_pitch;
+        if (bpp == 3) {
+          for (int col = 0; col < width; col++) {
+            *dest_scan++ = src_scan[2];
+            *dest_scan++ = src_scan[1];
+            *dest_scan++ = *src_scan;
+            src_scan += 3;
+          }
+        } else {
+          FXSYS_memcpy(dest_scan, src_scan, src_pitch);
+        }
+      }
+      uint8_t* compressed_buf;
+      uint32_t compressed_size;
+      PSCompressData(m_PSLevel, output_buf, output_size, compressed_buf,
+                     compressed_size, filter);
+      if (output_buf != compressed_buf)
+        FX_Free(output_buf);
+
+      output_buf = compressed_buf;
+      output_size = compressed_size;
+    }
+    CFX_DIBSource* converted = pConverted.Get();
+    if (converted != pSource) {
+      FX_Free(converted);
+      pConverted.Reset();
+    }
+    buf << " 8[";
+    buf << width << " 0 0 -" << height << " 0 " << height << "]";
+    buf << "currentfile/ASCII85Decode filter ";
+    if (filter)
+      buf << filter;
+    buf << "false " << bpp;
+    buf << " colorimage\n";
+    m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+    WritePSBinary(output_buf, output_size);
+    FX_Free(output_buf);
+  }
+  OUTPUT_PS("\nQ\n");
+  return true;
+}
+
+void CFX_PSRenderer::SetColor(uint32_t color) {
+  // TODO(thestig): Simplify more?
+  bool bCMYK = false;
+  if (bCMYK != m_bCmykOutput || !m_bColorSet || m_LastColor != color) {
+    CFX_ByteTextBuf buf;
+    if (bCMYK) {
+      buf << FXSYS_GetCValue(color) / 255.0 << " "
+          << FXSYS_GetMValue(color) / 255.0 << " "
+          << FXSYS_GetYValue(color) / 255.0 << " "
+          << FXSYS_GetKValue(color) / 255.0 << " k\n";
+    } else {
+      buf << FXARGB_R(color) / 255.0 << " " << FXARGB_G(color) / 255.0 << " "
+          << FXARGB_B(color) / 255.0 << " rg\n";
+    }
+    if (bCMYK == m_bCmykOutput) {
+      m_bColorSet = true;
+      m_LastColor = color;
+    }
+    m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+  }
+}
+
+void CFX_PSRenderer::FindPSFontGlyph(CFX_FaceCache* pFaceCache,
+                                     CFX_Font* pFont,
+                                     const FXTEXT_CHARPOS& charpos,
+                                     int& ps_fontnum,
+                                     int& ps_glyphindex) {
+  for (int i = 0; i < (int)m_PSFontList.GetSize(); i++) {
+    CPSFont* pPSFont = m_PSFontList[i];
+    for (int j = 0; j < pPSFont->m_nGlyphs; j++)
+      if (pPSFont->m_Glyphs[j].m_pFont == pFont &&
+          pPSFont->m_Glyphs[j].m_GlyphIndex == charpos.m_GlyphIndex) {
+        if ((!pPSFont->m_Glyphs[j].m_bGlyphAdjust && !charpos.m_bGlyphAdjust) ||
+            (pPSFont->m_Glyphs[j].m_bGlyphAdjust && charpos.m_bGlyphAdjust &&
+             (FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[0] -
+                         charpos.m_AdjustMatrix[0]) < 0.01 &&
+              FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[1] -
+                         charpos.m_AdjustMatrix[1]) < 0.01 &&
+              FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[2] -
+                         charpos.m_AdjustMatrix[2]) < 0.01 &&
+              FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[3] -
+                         charpos.m_AdjustMatrix[3]) < 0.01))) {
+          ps_fontnum = i;
+          ps_glyphindex = j;
+          return;
+        }
+      }
+  }
+  if (m_PSFontList.GetSize() == 0 ||
+      m_PSFontList[m_PSFontList.GetSize() - 1]->m_nGlyphs == 256) {
+    CPSFont* pPSFont = new CPSFont;
+    pPSFont->m_nGlyphs = 0;
+    m_PSFontList.Add(pPSFont);
+    CFX_ByteTextBuf buf;
+    buf << "8 dict begin/FontType 3 def/FontMatrix[1 0 0 1 0 0]def\n"
+           "/FontBBox[0 0 0 0]def/Encoding 256 array def 0 1 255{Encoding "
+           "exch/.notdef put}for\n"
+           "/CharProcs 1 dict def CharProcs begin/.notdef {} def end\n"
+           "/BuildGlyph{1 0 -10 -10 10 10 setcachedevice exch/CharProcs get "
+           "exch 2 copy known not{pop/.notdef}if get exec}bind def\n"
+           "/BuildChar{1 index/Encoding get exch get 1 index/BuildGlyph get "
+           "exec}bind def\n"
+           "currentdict end\n";
+    buf << "/X" << m_PSFontList.GetSize() - 1 << " exch definefont pop\n";
+    m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+    buf.Clear();
+  }
+  ps_fontnum = m_PSFontList.GetSize() - 1;
+  CPSFont* pPSFont = m_PSFontList[ps_fontnum];
+  ps_glyphindex = pPSFont->m_nGlyphs;
+  pPSFont->m_Glyphs[ps_glyphindex].m_GlyphIndex = charpos.m_GlyphIndex;
+  pPSFont->m_Glyphs[ps_glyphindex].m_pFont = pFont;
+  pPSFont->m_Glyphs[ps_glyphindex].m_bGlyphAdjust = charpos.m_bGlyphAdjust;
+  if (charpos.m_bGlyphAdjust) {
+    pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[0] =
+        charpos.m_AdjustMatrix[0];
+    pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[1] =
+        charpos.m_AdjustMatrix[1];
+    pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[2] =
+        charpos.m_AdjustMatrix[2];
+    pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[3] =
+        charpos.m_AdjustMatrix[3];
+  }
+  pPSFont->m_nGlyphs++;
+  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(1.0f, 0, 0, 1.0f, 0, 0);
+  const CFX_PathData* pPathData = pFaceCache->LoadGlyphPath(
+      pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth);
+  if (!pPathData)
+    return;
+
+  CFX_PathData TransformedPath(*pPathData);
+  if (charpos.m_bGlyphAdjust)
+    TransformedPath.Transform(&matrix);
+
+  CFX_ByteTextBuf buf;
+  buf << "/X" << ps_fontnum << " Ff/CharProcs get begin/" << ps_glyphindex
+      << "{n ";
+  for (int p = 0; p < TransformedPath.GetPointCount(); p++) {
+    FX_FLOAT x = TransformedPath.GetPointX(p), y = TransformedPath.GetPointY(p);
+    switch (TransformedPath.GetFlag(p) & FXPT_TYPE) {
+      case FXPT_MOVETO: {
+        buf << x << " " << y << " m\n";
+        break;
+      }
+      case FXPT_LINETO: {
+        buf << x << " " << y << " l\n";
+        break;
+      }
+      case FXPT_BEZIERTO: {
+        buf << x << " " << y << " " << TransformedPath.GetPointX(p + 1) << " "
+            << TransformedPath.GetPointY(p + 1) << " "
+            << TransformedPath.GetPointX(p + 2) << " "
+            << TransformedPath.GetPointY(p + 2) << " c\n";
+        p += 2;
+        break;
+      }
+    }
+  }
+  buf << "f}bind def end\n";
+  buf << "/X" << ps_fontnum << " Ff/Encoding get " << ps_glyphindex << "/"
+      << ps_glyphindex << " put\n";
+  m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+}
+
+bool CFX_PSRenderer::DrawText(int nChars,
+                              const FXTEXT_CHARPOS* pCharPos,
+                              CFX_Font* pFont,
+                              const CFX_Matrix* pObject2Device,
+                              FX_FLOAT font_size,
+                              uint32_t color) {
+  StartRendering();
+  int alpha = FXARGB_A(color);
+  if (alpha < 255)
+    return false;
+
+  if ((pObject2Device->a == 0 && pObject2Device->b == 0) ||
+      (pObject2Device->c == 0 && pObject2Device->d == 0)) {
+    return true;
+  }
+  SetColor(color);
+  CFX_ByteTextBuf buf;
+  buf << "q[" << pObject2Device->a << " " << pObject2Device->b << " "
+      << pObject2Device->c << " " << pObject2Device->d << " "
+      << pObject2Device->e << " " << pObject2Device->f << "]cm\n";
+
+  CFX_FontCache* pCache = CFX_GEModule::Get()->GetFontCache();
+  CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
+  int last_fontnum = -1;
+  for (int i = 0; i < nChars; i++) {
+    int ps_fontnum, ps_glyphindex;
+    FindPSFontGlyph(pFaceCache, pFont, pCharPos[i], ps_fontnum, ps_glyphindex);
+    if (last_fontnum != ps_fontnum) {
+      buf << "/X" << ps_fontnum << " Ff " << font_size << " Fs Sf ";
+      last_fontnum = ps_fontnum;
+    }
+    buf << pCharPos[i].m_OriginX << " " << pCharPos[i].m_OriginY << " m";
+    CFX_ByteString hex;
+    hex.Format("<%02X>", ps_glyphindex);
+    buf << hex.AsStringC() << "Tj\n";
+  }
+  buf << "Q\n";
+  m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
+  pCache->ReleaseCachedFace(pFont);
+  return true;
+}
+
+void CFX_PSRenderer::WritePSBinary(const uint8_t* data, int len) {
+  uint8_t* dest_buf;
+  uint32_t dest_size;
+  CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
+  if (pEncoders &&
+      pEncoders->GetBasicModule()->A85Encode(data, len, dest_buf, dest_size)) {
+    m_pOutput->OutputPS((const FX_CHAR*)dest_buf, dest_size);
+    FX_Free(dest_buf);
+  } else {
+    m_pOutput->OutputPS((const FX_CHAR*)data, len);
+  }
+}