Revert "Cleanup: Remove unused CFX_PSRenderer and various encoders it used."

core/include/fxge/fx_ge.h

 // 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
 
 #ifndef CORE_INCLUDE_FXGE_FX_GE_H_
 #define CORE_INCLUDE_FXGE_FX_GE_H_
 
 #include "fx_dib.h"
@@ skipping 590 matching lines @@
     return FALSE;
   }
 
   virtual void* GetPlatformSurface() { return NULL; }
 
   virtual int GetDriverType() { return 0; }
 
   virtual void ClearDriver() {}
 };
 
+class IFX_PSOutput {
+ public:
+  virtual void Release() = 0;
+  virtual void OutputPS(const FX_CHAR* string, int len) = 0;
+
+ protected:
+  virtual ~IFX_PSOutput() {}
+};
+
+class CPSFont;
+class CFX_PSRenderer {
+ public:
+  CFX_PSRenderer();
+
+  ~CFX_PSRenderer();
+
+  void Init(IFX_PSOutput* pOutput,
+            int ps_level,
+            int width,
+            int height,
+            FX_BOOL bCmykOutput);
+  FX_BOOL StartRendering();
+  void EndRendering();
+
+  void SaveState();
+
+  void RestoreState(FX_BOOL bKeepSaved = FALSE);
+
+  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; }
+
+  FX_BOOL DrawPath(const CFX_PathData* pPathData,
+                   const CFX_Matrix* pObject2Device,
+                   const CFX_GraphStateData* pGraphState,
+                   FX_DWORD fill_color,
+                   FX_DWORD stroke_color,
+                   int fill_mode,
+                   int alpha_flag = 0,
+                   void* pIccTransform = NULL);
+
+  FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap,
+                    FX_DWORD color,
+                    int dest_left,
+                    int dest_top,
+                    int alpha_flag = 0,
+                    void* pIccTransform = NULL);
+
+  FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap,
+                        FX_DWORD color,
+                        int dest_left,
+                        int dest_top,
+                        int dest_width,
+                        int dest_height,
+                        FX_DWORD flags,
+                        int alpha_flag = 0,
+                        void* pIccTransform = NULL);
+
+  FX_BOOL DrawDIBits(const CFX_DIBSource* pBitmap,
+                     FX_DWORD color,
+                     const CFX_Matrix* pMatrix,
+                     FX_DWORD flags,
+                     int alpha_flag = 0,
+                     void* pIccTransform = NULL);
+
+  FX_BOOL DrawText(int nChars,
+                   const FXTEXT_CHARPOS* pCharPos,
+                   CFX_Font* pFont,
+                   CFX_FontCache* pCache,
+                   const CFX_Matrix* pObject2Device,
+                   FX_FLOAT font_size,
+                   FX_DWORD color,
+                   int alpha_flag = 0,
+                   void* pIccTransform = NULL);
+
+ private:
+  IFX_PSOutput* m_pOutput;
+
+  int m_PSLevel;
+
+  CFX_GraphStateData m_CurGraphState;
+
+  FX_BOOL m_bGraphStateSet;
+
+  FX_BOOL m_bCmykOutput;
+
+  FX_BOOL m_bColorSet;
+
+  FX_DWORD m_LastColor;
+
+  FX_RECT m_ClipBox;
+
+  CFX_ArrayTemplate<CPSFont*> m_PSFontList;
+
+  CFX_ArrayTemplate<FX_RECT> m_ClipBoxStack;
+  FX_BOOL m_bInited;
+
+  void OutputPath(const CFX_PathData* pPathData,
+                  const CFX_Matrix* pObject2Device);
+
+  void SetGraphState(const CFX_GraphStateData* pGraphState);
+
+  void SetColor(FX_DWORD color, int alpha_flag, void* pIccTransform);
+
+  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);
+};
+
 #endif  // CORE_INCLUDE_FXGE_FX_GE_H_