XFA: Remove null CFX_DIBAttribute default argument.

Add some consts and overrides along the way.
Group some statics together.
Tidy some unused vars.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1411683005 .

4 files changed, 153 insertions, 140 deletions

diff --git a/core/include/fxcodec/fx_codec.h b/core/include/fxcodec/fx_codec.h
index 9b5e4f1641..82af1aa560 100644
--- a/core/include/fxcodec/fx_codec.h
+++ b/core/include/fxcodec/fx_codec.h
@@ -12,35 +12,53 @@
 
 #include "../../../third_party/base/nonstd_unique_ptr.h"
 #include "../fxcrt/fx_basic.h"
-#include "../fxcrt/fx_coordinates.h"
 #include "fx_codec_def.h"
 #include "fx_codec_provider.h"
 
+#include "../fxcrt/fx_coordinates.h"  // For FX_RECT.
+
 class CFX_DIBSource;
 class CJPX_Decoder;
 class CPDF_PrivateData;
 class CPDF_StreamAcc;
-class ICodec_ScanlineDecoder;
-class ICodec_ProgressiveDecoder;
 class ICodec_BasicModule;
 class ICodec_FaxModule;
-class ICodec_JpegModule;
-class ICodec_JpxModule;
-class ICodec_Jbig2Module;
-class ICodec_IccModule;
 class ICodec_FlateModule;
+class ICodec_IccModule;
 class ICodec_Jbig2Encoder;
-class ICodec_PngModule;
-class ICodec_GifModule;
+class ICodec_Jbig2Module;
+class ICodec_JpegModule;
+class ICodec_JpxModule;
+class ICodec_ScanlineDecoder;
+
 class ICodec_BmpModule;
+class ICodec_GifModule;
+class ICodec_PngModule;
+class ICodec_ProgressiveDecoder;
 class ICodec_TiffModule;
-class CFX_DIBAttribute;
-class ICodec_ScanlineDecoder;
+
+class CFX_DIBAttribute {
+ public:
+  CFX_DIBAttribute();
+  ~CFX_DIBAttribute();
+
+  int32_t m_nXDPI;
+  int32_t m_nYDPI;
+  FX_FLOAT m_fAspectRatio;
+  FX_WORD m_wDPIUnit;
+  CFX_ByteString m_strAuthor;
+  uint8_t m_strTime[20];
+  int32_t m_nGifLeft;
+  int32_t m_nGifTop;
+  FX_DWORD* m_pGifLocalPalette;
+  FX_DWORD m_nGifLocalPalNum;
+  int32_t m_nBmpCompressType;
+  std::map<FX_DWORD, void*> m_Exif;
+};
 
 class CCodec_ModuleMgr {
  public:
   CCodec_ModuleMgr();
-  ICodec_ProgressiveDecoder* CreateProgressiveDecoder();
   ICodec_Jbig2Encoder* CreateJbig2Encoder();
   ICodec_BasicModule* GetBasicModule() const { return m_pBasicModule.get(); }
   ICodec_FaxModule* GetFaxModule() const { return m_pFaxModule.get(); }
@@ -49,6 +67,8 @@ class CCodec_ModuleMgr {
   ICodec_Jbig2Module* GetJbig2Module() const { return m_pJbig2Module.get(); }
   ICodec_IccModule* GetIccModule() const { return m_pIccModule.get(); }
   ICodec_FlateModule* GetFlateModule() const { return m_pFlateModule.get(); }
+
+  ICodec_ProgressiveDecoder* CreateProgressiveDecoder();
   ICodec_PngModule* GetPngModule() const { return m_pPngModule.get(); }
   ICodec_GifModule* GetGifModule() const { return m_pGifModule.get(); }
   ICodec_BmpModule* GetBmpModule() const { return m_pBmpModule.get(); }
@@ -62,6 +82,7 @@ class CCodec_ModuleMgr {
   nonstd::unique_ptr<ICodec_Jbig2Module> m_pJbig2Module;
   nonstd::unique_ptr<ICodec_IccModule> m_pIccModule;
   nonstd::unique_ptr<ICodec_FlateModule> m_pFlateModule;
+
   nonstd::unique_ptr<ICodec_PngModule> m_pPngModule;
   nonstd::unique_ptr<ICodec_GifModule> m_pGifModule;
   nonstd::unique_ptr<ICodec_BmpModule> m_pBmpModule;
@@ -212,7 +233,7 @@ class ICodec_JpegModule {
                          int* width,
                          int* height,
                          int* nComps,
-                         CFX_DIBAttribute* pAttribute = NULL) = 0;
+                         CFX_DIBAttribute* pAttribute) = 0;
 
   virtual int StartScanline(void* pContext, int down_scale) = 0;
 
@@ -253,9 +274,15 @@ class ICodec_PngModule {
   virtual FX_BOOL Input(void* pContext,
                         const uint8_t* src_buf,
                         FX_DWORD src_size,
-                        CFX_DIBAttribute* pAttribute = NULL) = 0;
+                        CFX_DIBAttribute* pAttribute) = 0;
 
-  FX_BOOL				(*ReadHeaderCallback)(void* pModule, int width, int height, int bpc, int pass, int* color_type, double* gamma);
+  FX_BOOL (*ReadHeaderCallback)(void* pModule,
+                                int width,
+                                int height,
+                                int bpc,
+                                int pass,
+                                int* color_type,
+                                double* gamma);
 
   FX_BOOL (*AskScanlineBufCallback)(void* pModule, int line, uint8_t*& src_buf);
 
@@ -282,7 +309,7 @@ class ICodec_GifModule {
                              int* pal_num,
                              void** pal_pp,
                              int* bg_index,
-                             CFX_DIBAttribute* pAttribute = NULL) = 0;
+                             CFX_DIBAttribute* pAttribute) = 0;
 
   virtual int32_t LoadFrameInfo(void* pContext, int* frame_num) = 0;
 
@@ -294,12 +321,18 @@ class ICodec_GifModule {
 
   virtual int32_t LoadFrame(void* pContext,
                             int frame_num,
-                            CFX_DIBAttribute* pAttribute = NULL) = 0;
-
-  FX_BOOL				(*InputRecordPositionBufCallback)(void* pModule, FX_DWORD rcd_pos, const FX_RECT& img_rc,

-            int32_t pal_num, void* pal_ptr,

-            int32_t delay_time, FX_BOOL user_input,

-            int32_t trans_index, int32_t disposal_method, FX_BOOL interlace);
+                            CFX_DIBAttribute* pAttribute) = 0;
+
+  FX_BOOL (*InputRecordPositionBufCallback)(void* pModule,
+                                            FX_DWORD rcd_pos,
+                                            const FX_RECT& img_rc,
+                                            int32_t pal_num,
+                                            void* pal_ptr,
+                                            int32_t delay_time,
+                                            FX_BOOL user_input,
+                                            int32_t trans_index,
+                                            int32_t disposal_method,
+                                            FX_BOOL interlace);
 
   void (*ReadScanlineCallback)(void* pModule,
                                int32_t row_num,
@@ -327,7 +360,7 @@ class ICodec_BmpModule {
                              int32_t* components,
                              int* pal_num,
                              FX_DWORD** pal_pp,
-                             CFX_DIBAttribute* pAttribute = NULL) = 0;
+                             CFX_DIBAttribute* pAttribute) = 0;
 
   virtual int32_t LoadImage(void* pContext) = 0;
 
@@ -351,7 +384,7 @@ class ICodec_TiffModule {
                                 FX_DWORD& height,
                                 FX_DWORD& comps,
                                 FX_DWORD& bpc,
-                                CFX_DIBAttribute* pAttribute = NULL) = 0;
+                                CFX_DIBAttribute* pAttribute) = 0;
 
   virtual FX_BOOL Decode(void* ctx, class CFX_DIBitmap* pDIBitmap) = 0;
 
@@ -382,20 +415,15 @@ class ICodec_ProgressiveDecoder {
  public:
   virtual ~ICodec_ProgressiveDecoder() {}
 
-  virtual FXCODEC_STATUS LoadImageInfo(
-      IFX_FileRead* pFile,
-      FXCODEC_IMAGE_TYPE imageType = FXCODEC_IMAGE_UNKNOWN,
-      CFX_DIBAttribute* pAttribute = NULL) = 0;
+  virtual FXCODEC_STATUS LoadImageInfo(IFX_FileRead* pFile,
+                                       FXCODEC_IMAGE_TYPE imageType,
+                                       CFX_DIBAttribute* pAttribute) = 0;
 
-  virtual FXCODEC_IMAGE_TYPE GetType() = 0;
-
-  virtual int32_t GetWidth() = 0;
-
-  virtual int32_t GetHeight() = 0;
-
-  virtual int32_t GetNumComponents() = 0;
-
-  virtual int32_t GetBPC() = 0;
+  virtual FXCODEC_IMAGE_TYPE GetType() const = 0;
+  virtual int32_t GetWidth() const = 0;
+  virtual int32_t GetHeight() const = 0;
+  virtual int32_t GetNumComponents() const = 0;
+  virtual int32_t GetBPC() const = 0;
 
   virtual void SetClipBox(FX_RECT* clip) = 0;
 
@@ -503,26 +531,6 @@ void AdobeCMYK_to_sRGB1(uint8_t c,
                         uint8_t& G,
                         uint8_t& B);
 FX_BOOL MD5ComputeID(const void* buf, FX_DWORD dwSize, uint8_t ID[16]);
-
-class CFX_DIBAttribute {
- public:
-  CFX_DIBAttribute();
-  ~CFX_DIBAttribute();
-
-  int32_t m_nXDPI;
-  int32_t m_nYDPI;
-  FX_FLOAT m_fAspectRatio;
-  FX_WORD m_wDPIUnit;
-  CFX_ByteString m_strAuthor;
-  uint8_t m_strTime[20];
-  int32_t m_nGifLeft;
-  int32_t m_nGifTop;
-  FX_DWORD* m_pGifLocalPalette;
-  FX_DWORD m_nGifLocalPalNum;
-  int32_t m_nBmpCompressType;
-  std::map<FX_DWORD, void*> m_Exif;
-};
-
 void FaxG4Decode(const uint8_t* src_buf,
                  FX_DWORD src_size,
                  int* pbitpos,
diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h
index 36716411b7..fbf44c0564 100644
--- a/core/src/fxcodec/codec/codec_int.h
+++ b/core/src/fxcodec/codec/codec_int.h
@@ -159,13 +159,13 @@ class CCodec_FlateModule : public ICodec_FlateModule {
 class CCodec_JpegModule : public ICodec_JpegModule {
  public:
   CCodec_JpegModule() : m_pExtProvider(NULL) {}
-  void SetPovider(IFX_JpegProvider* pJP) { m_pExtProvider = pJP; }
+  void SetPovider(IFX_JpegProvider* pJP) override { m_pExtProvider = pJP; }
   ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
                                         FX_DWORD src_size,
                                         int width,
                                         int height,
                                         int nComps,
-                                        FX_BOOL ColorTransform);
+                                        FX_BOOL ColorTransform) override;
   FX_BOOL LoadInfo(const uint8_t* src_buf,
                    FX_DWORD src_size,
                    int& width,
@@ -174,24 +174,26 @@ class CCodec_JpegModule : public ICodec_JpegModule {
                    int& bits_per_components,
                    FX_BOOL& color_transform,
                    uint8_t** icc_buf_ptr,
-                   FX_DWORD* icc_length);
+                   FX_DWORD* icc_length) override;
   FX_BOOL Encode(const CFX_DIBSource* pSource,
                  uint8_t*& dest_buf,
                  FX_STRSIZE& dest_size,
                  int quality,
                  const uint8_t* icc_buf,
-                 FX_DWORD icc_length);
-  virtual void* Start();
-  virtual void Finish(void* pContext);
-  virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size);
-  virtual int ReadHeader(void* pContext,
-                         int* width,
-                         int* height,
-                         int* nComps,
-                         CFX_DIBAttribute* pAttribute = NULL);
-  virtual int StartScanline(void* pContext, int down_scale);
-  virtual FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf);
-  virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr);
+                 FX_DWORD icc_length) override;
+  void* Start() override;
+  void Finish(void* pContext) override;
+  void Input(void* pContext,
+             const uint8_t* src_buf,
+             FX_DWORD src_size) override;
+  int ReadHeader(void* pContext,
+                 int* width,
+                 int* height,
+                 int* nComps,
+                 CFX_DIBAttribute* pAttribute) override;
+  int StartScanline(void* pContext, int down_scale) override;
+  FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf) override;
+  FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr) override;
 
  protected:
   IFX_JpegProvider* m_pExtProvider;
@@ -238,20 +240,22 @@ class CCodec_GifModule : public ICodec_GifModule {
 };
 class CCodec_BmpModule : public ICodec_BmpModule {
  public:
-  CCodec_BmpModule() { FXSYS_memset(m_szLastError, '\0', 256); }
-  virtual void* Start(void* pModule);
-  virtual void Finish(void* pContext);
-  virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr);
-  virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size);
-  virtual int32_t ReadHeader(void* pContext,
-                             int32_t* width,
-                             int32_t* height,
-                             FX_BOOL* tb_flag,
-                             int32_t* components,
-                             int32_t* pal_num,
-                             FX_DWORD** pal_pp,
-                             CFX_DIBAttribute* pAttribute);
-  virtual int32_t LoadImage(void* pContext);
+  CCodec_BmpModule() { FXSYS_memset(m_szLastError, 0, sizeof(m_szLastError)); }
+  void* Start(void* pModule) override;
+  void Finish(void* pContext) override;
+  FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr) override;
+  void Input(void* pContext,
+             const uint8_t* src_buf,
+             FX_DWORD src_size) override;
+  int32_t ReadHeader(void* pContext,
+                     int32_t* width,
+                     int32_t* height,
+                     FX_BOOL* tb_flag,
+                     int32_t* components,
+                     int32_t* pal_num,
+                     FX_DWORD** pal_pp,
+                     CFX_DIBAttribute* pAttribute) override;
+  int32_t LoadImage(void* pContext) override;
 
  protected:
   FX_CHAR m_szLastError[256];
@@ -342,7 +346,7 @@ class CCodec_TiffModule : public ICodec_TiffModule {
                         FX_DWORD& height,
                         FX_DWORD& comps,
                         FX_DWORD& bpc,
-                        CFX_DIBAttribute* pAttribute = NULL) override;
+                        CFX_DIBAttribute* pAttribute) override;
   FX_BOOL Decode(void* ctx, class CFX_DIBitmap* pDIBitmap) override;
   void DestroyDecoder(void* ctx) override;
 
diff --git a/core/src/fxcodec/codec/fx_codec_progress.cpp b/core/src/fxcodec/codec/fx_codec_progress.cpp
index 885b751a1b..82bbee99be 100644
--- a/core/src/fxcodec/codec/fx_codec_progress.cpp
+++ b/core/src/fxcodec/codec/fx_codec_progress.cpp
@@ -641,7 +641,7 @@ FX_BOOL CCodec_ProgressiveDecoder::GifInputRecordPositionBufCallback(
   }

   pCodec->m_SrcPaletteNumber = pal_num;

   for (int i = 0; i < pal_num; i++) {

-    register FX_DWORD j = i * 3;

+    FX_DWORD j = i * 3;

     pCodec->m_pSrcPalette[i] =

         ArgbEncode(0xff, pPalette[j], pPalette[j + 1], pPalette[j + 2]);

   }

@@ -1215,7 +1215,7 @@ FX_BOOL CCodec_ProgressiveDecoder::DetectImageType(
       m_SrcComponents = 1;

       int32_t readResult = pGifModule->ReadHeader(

           m_pGifContext, &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber,

-          (void**)&m_pGifPalette, &m_GifBgIndex);

+          (void**)&m_pGifPalette, &m_GifBgIndex, nullptr);

       while (readResult == 2) {

         FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;

         if (!GifReadMoreData(pGifModule, error_status)) {

@@ -1224,7 +1224,7 @@ FX_BOOL CCodec_ProgressiveDecoder::DetectImageType(
         }

         readResult = pGifModule->ReadHeader(

             m_pGifContext, &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber,

-            (void**)&m_pGifPalette, &m_GifBgIndex);

+            (void**)&m_pGifPalette, &m_GifBgIndex, nullptr);

       }

       if (readResult == 1) {

         m_SrcBPC = 8;

@@ -2143,7 +2143,8 @@ FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode(IFX_Pause* pPause) {
           return m_status = FXCODEC_STATUS_ERR_READ;

         }

         m_offSet += input_size;

-        bResult = pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size);

+        bResult =

+            pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size, nullptr);

         if (!bResult) {

           m_pDeviceBitmap = NULL;

           m_pFile = NULL;

@@ -2157,7 +2158,8 @@ FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode(IFX_Pause* pPause) {
     case FXCODEC_IMAGE_GIF: {

       ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();

       while (TRUE) {

-        int32_t readRes = pGifModule->LoadFrame(m_pGifContext, m_FrameCur);

+        int32_t readRes =

+            pGifModule->LoadFrame(m_pGifContext, m_FrameCur, nullptr);

         while (readRes == 2) {

           FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH;

           if (!GifReadMoreData(pGifModule, error_status)) {

@@ -2168,7 +2170,7 @@ FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode(IFX_Pause* pPause) {
           if (pPause && pPause->NeedToPauseNow()) {

             return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;

           }

-          readRes = pGifModule->LoadFrame(m_pGifContext, m_FrameCur);

+          readRes = pGifModule->LoadFrame(m_pGifContext, m_FrameCur, nullptr);

         }

         if (readRes == 1) {

           m_pDeviceBitmap = NULL;

diff --git a/core/src/fxcodec/codec/fx_codec_progress.h b/core/src/fxcodec/codec/fx_codec_progress.h
index 45dc6d7b4e..cee8b39c50 100644
--- a/core/src/fxcodec/codec/fx_codec_progress.h
+++ b/core/src/fxcodec/codec/fx_codec_progress.h
@@ -86,47 +86,31 @@ enum FXCodec_Format {
 class CCodec_ProgressiveDecoder : public ICodec_ProgressiveDecoder {

  public:

   CCodec_ProgressiveDecoder(CCodec_ModuleMgr* pCodecMgr);

-  virtual ~CCodec_ProgressiveDecoder();

+  ~CCodec_ProgressiveDecoder() override;

 

- public:

-  virtual FXCODEC_STATUS LoadImageInfo(IFX_FileRead* pFile,

-                                       FXCODEC_IMAGE_TYPE imageType,

-                                       CFX_DIBAttribute* pAttribute);

+  FXCODEC_STATUS LoadImageInfo(IFX_FileRead* pFile,

+                               FXCODEC_IMAGE_TYPE imageType,

+                               CFX_DIBAttribute* pAttribute) override;

 

-  virtual FXCODEC_IMAGE_TYPE GetType() { return m_imagType; }

-  virtual int32_t GetWidth() { return m_SrcWidth; }

-  virtual int32_t GetHeight() { return m_SrcHeight; }

-  virtual int32_t GetNumComponents() { return m_SrcComponents; }

-  virtual int32_t GetBPC() { return m_SrcBPC; }

-  virtual void SetClipBox(FX_RECT* clip);

-  virtual FXCODEC_STATUS GetFrames(int32_t& frames, IFX_Pause* pPause);

+  FXCODEC_IMAGE_TYPE GetType() const override { return m_imagType; }

+  int32_t GetWidth() const override { return m_SrcWidth; }

+  int32_t GetHeight() const override { return m_SrcHeight; }

+  int32_t GetNumComponents() const override { return m_SrcComponents; }

+  int32_t GetBPC() const override { return m_SrcBPC; }

+  void SetClipBox(FX_RECT* clip) override;

 

-  virtual FXCODEC_STATUS StartDecode(CFX_DIBitmap* pDIBitmap,

-                                     int start_x,

-                                     int start_y,

-                                     int size_x,

-                                     int size_y,

-                                     int32_t frames,

-                                     FX_BOOL bInterpol);

+  FXCODEC_STATUS GetFrames(int32_t& frames, IFX_Pause* pPause) override;

+  FXCODEC_STATUS StartDecode(CFX_DIBitmap* pDIBitmap,

+                             int start_x,

+                             int start_y,

+                             int size_x,

+                             int size_y,

+                             int32_t frames,

+                             FX_BOOL bInterpol) override;

 

-  virtual FXCODEC_STATUS ContinueDecode(IFX_Pause* pPause);

+  FXCODEC_STATUS ContinueDecode(IFX_Pause* pPause) override;

 

  protected:

-  FX_BOOL DetectImageType(FXCODEC_IMAGE_TYPE imageType,

-                          CFX_DIBAttribute* pAttribute = NULL);

-  void GetDownScale(int& down_scale);

-  void GetTransMethod(FXDIB_Format des_format, FXCodec_Format src_format);

-  void ReSampleScanline(CFX_DIBitmap* pDeviceBitmap,

-                        int32_t des_line,

-                        uint8_t* src_scan,

-                        FXCodec_Format src_format);

-  void Resample(CFX_DIBitmap* pDeviceBitmap,

-                int32_t src_line,

-                uint8_t* src_scan,

-                FXCodec_Format src_format);

-  void ResampleVert(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);

-  FX_BOOL JpegReadMoreData(ICodec_JpegModule* pJpegModule,

-                           FXCODEC_STATUS& err_status);

   static FX_BOOL PngReadHeaderFunc(void* pModule,

                                    int width,

                                    int height,

@@ -140,13 +124,6 @@ class CCodec_ProgressiveDecoder : public ICodec_ProgressiveDecoder {
   static void PngFillScanlineBufCompletedFunc(void* pModule,

                                               int pass,

                                               int line);

-  void PngOneOneMapResampleHorz(CFX_DIBitmap* pDeviceBitmap,

-                                int32_t des_line,

-                                uint8_t* src_scan,

-                                FXCodec_Format src_format);

-

-  FX_BOOL GifReadMoreData(ICodec_GifModule* pGifModule,

-                          FXCODEC_STATUS& err_status);

   static void GifRecordCurrentPositionCallback(void* pModule,

                                                FX_DWORD& cur_pos);

   static uint8_t* GifAskLocalPaletteBufCallback(void* pModule,

@@ -165,16 +142,38 @@ class CCodec_ProgressiveDecoder : public ICodec_ProgressiveDecoder {
   static void GifReadScanlineCallback(void* pModule,

                                       int32_t row_num,

                                       uint8_t* row_buf);

-  void GifDoubleLineResampleVert(CFX_DIBitmap* pDeviceBitmap,

-                                 double scale_y,

-                                 int des_row);

-  FX_BOOL BmpReadMoreData(ICodec_BmpModule* pBmpModule,

-                          FXCODEC_STATUS& err_status);

   static FX_BOOL BmpInputImagePositionBufCallback(void* pModule,

                                                   FX_DWORD rcd_pos);

   static void BmpReadScanlineCallback(void* pModule,

                                       int32_t row_num,

                                       uint8_t* row_buf);

+

+  FX_BOOL DetectImageType(FXCODEC_IMAGE_TYPE imageType,

+                          CFX_DIBAttribute* pAttribute);

+  void GetDownScale(int& down_scale);

+  void GetTransMethod(FXDIB_Format des_format, FXCodec_Format src_format);

+  void ReSampleScanline(CFX_DIBitmap* pDeviceBitmap,

+                        int32_t des_line,

+                        uint8_t* src_scan,

+                        FXCodec_Format src_format);

+  void Resample(CFX_DIBitmap* pDeviceBitmap,

+                int32_t src_line,

+                uint8_t* src_scan,

+                FXCodec_Format src_format);

+  void ResampleVert(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);

+  FX_BOOL JpegReadMoreData(ICodec_JpegModule* pJpegModule,

+                           FXCODEC_STATUS& err_status);

+  void PngOneOneMapResampleHorz(CFX_DIBitmap* pDeviceBitmap,

+                                int32_t des_line,

+                                uint8_t* src_scan,

+                                FXCodec_Format src_format);

+  FX_BOOL GifReadMoreData(ICodec_GifModule* pGifModule,

+                          FXCODEC_STATUS& err_status);

+  void GifDoubleLineResampleVert(CFX_DIBitmap* pDeviceBitmap,

+                                 double scale_y,

+                                 int des_row);

+  FX_BOOL BmpReadMoreData(ICodec_BmpModule* pBmpModule,

+                          FXCODEC_STATUS& err_status);

   void ResampleVertBT(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);

 

  public: