Pdfium Patch to restore PS Path

core/fxge/win32/fx_ge_ps.h

+// 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
+
+#ifndef CORE_FXGE_WIN32_FX_GE_PS_H_
+#define CORE_FXGE_WIN32_FX_GE_PS_H_
+
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/fx_system.h"
+#include "core/fxge/cfx_graphstatedata.h"
+
+class CFX_DIBSource;
+class CFX_FaceCache;
+class CFX_Font;
+class CFX_FontCache;
+class CFX_Matrix;
+class CFX_PathData;
+class CPSFont;
+struct FXTEXT_CHARPOS;
+
+class IFX_PSOutput {
+ public:
+  virtual void Release() = 0;
+  virtual void OutputPS(const FX_CHAR* str, int len) = 0;
+
+ protected:
+  virtual ~IFX_PSOutput() {}
+};
+
+class CFX_PSRenderer {
+ public:
+  CFX_PSRenderer();
+  ~CFX_PSRenderer();
+
+  void Init(IFX_PSOutput* pOutput,
+            int pslevel,
+            int width,
+            int height,
+            bool bCmykOutput);
+  bool StartRendering();
+  void EndRendering();
+  void SaveState();
+  void RestoreState(bool bKeepSaved);
+  void SetClip_PathFill(const CFX_PathData* pPathData,
+                        const CFX_Matrix* pObject2Device,
+                        int fill_mode);
+  void SetClip_PathStroke(const CFX_PathData* pPathData,
+                          const CFX_Matrix* pObject2Device,
+                          const CFX_GraphStateData* pGraphState);
+  FX_RECT GetClipBox() { return m_ClipBox; }
+  bool DrawPath(const CFX_PathData* pPathData,
+                const CFX_Matrix* pObject2Device,
+                const CFX_GraphStateData* pGraphState,
+                uint32_t fill_color,
+                uint32_t stroke_color,
+                int fill_mode);
+  bool SetDIBits(const CFX_DIBSource* pBitmap,
+                 uint32_t color,
+                 int dest_left,
+                 int dest_top);
+  bool StretchDIBits(const CFX_DIBSource* pBitmap,
+                     uint32_t color,
+                     int dest_left,
+                     int dest_top,
+                     int dest_width,
+                     int dest_height,
+                     uint32_t flags);
+  bool DrawDIBits(const CFX_DIBSource* pBitmap,
+                  uint32_t color,
+                  const CFX_Matrix* pMatrix,
+                  uint32_t flags);
+  bool DrawText(int nChars,
+                const FXTEXT_CHARPOS* pCharPos,
+                CFX_Font* pFont,
+                const CFX_Matrix* pObject2Device,
+                FX_FLOAT font_size,
+                uint32_t color);
+
+ private:
+  void OutputPath(const CFX_PathData* pPathData,
+                  const CFX_Matrix* pObject2Device);
+  void SetGraphState(const CFX_GraphStateData* pGraphState);
+  void SetColor(uint32_t color);
+  void FindPSFontGlyph(CFX_FaceCache* pFaceCache,
+                       CFX_Font* pFont,
+                       const FXTEXT_CHARPOS& charpos,
+                       int& ps_fontnum,
+                       int& ps_glyphindex);
+  void WritePSBinary(const uint8_t* data, int len);
+
+  IFX_PSOutput* m_pOutput;
+  int m_PSLevel;
+  CFX_GraphStateData m_CurGraphState;
+  bool m_bGraphStateSet;
+  bool m_bCmykOutput;
+  bool m_bColorSet;
+  uint32_t m_LastColor;
+  FX_RECT m_ClipBox;
+  CFX_ArrayTemplate<CPSFont*> m_PSFontList;
+  CFX_ArrayTemplate<FX_RECT> m_ClipBoxStack;
+  bool m_bInited;
+};
+
+#endif  // CORE_FXGE_WIN32_FX_GE_PS_H_