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

This reverts commit 2d63eaaa39bb3d402c658b2a6e0eae50a30f1d89.

Broke the Windows build, though it is likely the code is unused on
Windows too.

Review URL: https://codereview.chromium.org/1540993004 .

3 files changed, 177 insertions, 28 deletions

diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h
index 1e2706ddcf..752df789da 100644
--- a/core/include/fpdfapi/fpdf_parser.h
+++ b/core/include/fpdfapi/fpdf_parser.h
@@ -826,19 +826,18 @@ CFX_WideString FPDF_FileSpec_GetWin32Path(const CPDF_Object* pFileSpec);
 void FPDF_FileSpec_SetWin32Path(CPDF_Object* pFileSpec,
                                 const CFX_WideString& fullpath);
 
-bool FlateEncode(const uint8_t* src_buf,
+void FlateEncode(const uint8_t* src_buf,
                  FX_DWORD src_size,
-                 uint8_t** dest_buf,
-                 FX_DWORD* dest_size);
-
-// This used to have more parameters like the predictor and bpc, but there was
-// only one callers, so the interface has been simplified, the values are hard
-// coded, and dead code has been removed.
-bool PngEncode(const uint8_t* src_buf,
-               FX_DWORD src_size,
-               uint8_t** dest_buf,
-               FX_DWORD* dest_size);
-
+                 uint8_t*& dest_buf,
+                 FX_DWORD& dest_size);
+void FlateEncode(const uint8_t* src_buf,
+                 FX_DWORD src_size,
+                 int predictor,
+                 int Colors,
+                 int BitsPerComponent,
+                 int Columns,
+                 uint8_t*& dest_buf,
+                 FX_DWORD& dest_size);
 FX_DWORD FlateDecode(const uint8_t* src_buf,
                      FX_DWORD src_size,
                      uint8_t*& dest_buf,
diff --git a/core/include/fxcodec/fx_codec.h b/core/include/fxcodec/fx_codec.h
index 593940df84..c068a08025 100644
--- a/core/include/fxcodec/fx_codec.h
+++ b/core/include/fxcodec/fx_codec.h
@@ -25,6 +25,7 @@ class ICodec_JpxModule;
 class ICodec_Jbig2Module;
 class ICodec_IccModule;
 class ICodec_FlateModule;
+class ICodec_Jbig2Encoder;
 class ICodec_ScanlineDecoder;
 
 class CCodec_ModuleMgr {
@@ -51,6 +52,14 @@ class CCodec_ModuleMgr {
 class ICodec_BasicModule {
  public:
   virtual ~ICodec_BasicModule() {}
+  virtual FX_BOOL RunLengthEncode(const uint8_t* src_buf,
+                                  FX_DWORD src_size,
+                                  uint8_t*& dest_buf,
+                                  FX_DWORD& dest_size) = 0;
+  virtual FX_BOOL A85Encode(const uint8_t* src_buf,
+                            FX_DWORD src_size,
+                            uint8_t*& dest_buf,
+                            FX_DWORD& dest_size) = 0;
   virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(const uint8_t* src_buf,
                                                          FX_DWORD src_size,
                                                          int width,
@@ -108,14 +117,18 @@ class ICodec_FlateModule {
                                     FX_DWORD estimated_size,
                                     uint8_t*& dest_buf,
                                     FX_DWORD& dest_size) = 0;
-  virtual bool Encode(const uint8_t* src_buf,
-                      FX_DWORD src_size,
-                      uint8_t** dest_buf,
-                      FX_DWORD* dest_size) = 0;
-  virtual bool PngEncode(const uint8_t* src_buf,
+  virtual FX_BOOL Encode(const uint8_t* src_buf,
                          FX_DWORD src_size,
-                         uint8_t** dest_buf,
-                         FX_DWORD* dest_size) = 0;
+                         int predictor,
+                         int Colors,
+                         int BitsPerComponent,
+                         int Columns,
+                         uint8_t*& dest_buf,
+                         FX_DWORD& dest_size) = 0;
+  virtual FX_BOOL Encode(const uint8_t* src_buf,
+                         FX_DWORD src_size,
+                         uint8_t*& dest_buf,
+                         FX_DWORD& dest_size) = 0;
 };
 class ICodec_FaxModule {
  public:
@@ -131,8 +144,14 @@ class ICodec_FaxModule {
                                                 FX_BOOL BlackIs1,
                                                 int Columns,
                                                 int Rows) = 0;
-};
 
+  virtual FX_BOOL Encode(const uint8_t* src_buf,
+                         int width,
+                         int height,
+                         int pitch,
+                         uint8_t*& dest_buf,
+                         FX_DWORD& dest_size) = 0;
+};
 class ICodec_JpegModule {
  public:
   virtual ~ICodec_JpegModule() {}
@@ -144,13 +163,22 @@ class ICodec_JpegModule {
                                                 int nComps,
                                                 FX_BOOL ColorTransform) = 0;
 
-  virtual bool LoadInfo(const uint8_t* src_buf,
-                        FX_DWORD src_size,
-                        int* width,
-                        int* height,
-                        int* num_components,
-                        int* bits_per_components,
-                        bool* color_transform) = 0;
+  virtual FX_BOOL LoadInfo(const uint8_t* src_buf,
+                           FX_DWORD src_size,
+                           int& width,
+                           int& height,
+                           int& num_components,
+                           int& bits_per_components,
+                           FX_BOOL& color_transform,
+                           uint8_t** icc_buf_ptr = NULL,
+                           FX_DWORD* icc_length = NULL) = 0;
+
+  virtual FX_BOOL Encode(const class CFX_DIBSource* pSource,
+                         uint8_t*& dest_buf,
+                         FX_STRSIZE& dest_size,
+                         int quality = 75,
+                         const uint8_t* icc_buf = NULL,
+                         FX_DWORD icc_length = 0) = 0;
 
   virtual void* Start() = 0;
 
@@ -214,7 +242,10 @@ class ICodec_Jbig2Module {
                                         IFX_Pause* pPause) = 0;
   virtual void DestroyJbig2Context(void* pJbig2Content) = 0;
 };
-
+class ICodec_Jbig2Encoder {
+ public:
+  virtual ~ICodec_Jbig2Encoder() {}
+};
 class ICodec_IccModule {
  public:
   typedef enum {
diff --git a/core/include/fxge/fx_ge.h b/core/include/fxge/fx_ge.h
index e2a400e83d..01a1c72a8f 100644
--- a/core/include/fxge/fx_ge.h
+++ b/core/include/fxge/fx_ge.h
@@ -608,4 +608,123 @@ class IFX_RenderDeviceDriver {
   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_