Remove some fx_dib functions with unused parameters.

core/fxge/include/fx_dib.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_FXGE_INCLUDE_FX_DIB_H_
 #define CORE_FXGE_INCLUDE_FX_DIB_H_
 
 #include <memory>
@@ skipping 11 matching lines @@
   FXDIB_8bppRgba = 0x208,
   FXDIB_8bppCmyk = 0x408,
   FXDIB_8bppCmyka = 0x608,
   FXDIB_Rgb = 0x018,
   FXDIB_Rgba = 0x218,
   FXDIB_Rgb32 = 0x020,
   FXDIB_Argb = 0x220,
   FXDIB_Cmyk = 0x420,
   FXDIB_Cmyka = 0x620,
 };
+
 enum FXDIB_Channel {
   FXDIB_Red = 1,
   FXDIB_Green,
   FXDIB_Blue,
   FXDIB_Cyan,
   FXDIB_Magenta,
   FXDIB_Yellow,
   FXDIB_Black,
   FXDIB_Alpha
 };
+
 #define FXDIB_DOWNSAMPLE 0x04
 #define FXDIB_INTERPOL 0x20
 #define FXDIB_BICUBIC_INTERPOL 0x80
 #define FXDIB_NOSMOOTH 0x100
 #define FXDIB_BLEND_NORMAL 0
 #define FXDIB_BLEND_MULTIPLY 1
 #define FXDIB_BLEND_SCREEN 2
 #define FXDIB_BLEND_OVERLAY 3
 #define FXDIB_BLEND_DARKEN 4
 #define FXDIB_BLEND_LIGHTEN 5
@@ skipping 94 matching lines @@
                        *((uint8_t*)(dest) + 2) = *((uint8_t*)(src))
 #define FXARGB_TODIB(argb) (argb)
 #define FXCMYK_TODIB(cmyk)                                    \
   ((uint8_t)((cmyk) >> 24) | ((uint8_t)((cmyk) >> 16)) << 8 | \
    ((uint8_t)((cmyk) >> 8)) << 16 | ((uint8_t)(cmyk) << 24))
 #define FXARGB_TOBGRORDERDIB(argb)                       \
   ((uint8_t)(argb >> 16) | ((uint8_t)(argb >> 8)) << 8 | \
    ((uint8_t)(argb)) << 16 | ((uint8_t)(argb >> 24) << 24))
 #define FXGETFLAG_COLORTYPE(flag) (uint8_t)((flag) >> 8)
 #define FXGETFLAG_ALPHA_FILL(flag) (uint8_t)(flag)
-#define FXGETFLAG_ALPHA_STROKE(flag) (uint8_t)((flag) >> 16)
+
+FX_BOOL ConvertBuffer(FXDIB_Format dest_format,
+                      uint8_t* dest_buf,
+                      int dest_pitch,
+                      int width,
+                      int height,
+                      const CFX_DIBSource* pSrcBitmap,
+                      int src_left,
+                      int src_top,
+                      uint32_t*& pal);
 
 class CFX_DIBSource {
  public:
   virtual ~CFX_DIBSource();
 
   int GetWidth() const { return m_Width; }
   int GetHeight() const { return m_Height; }
 
   FXDIB_Format GetFormat() const {
     return (FXDIB_Format)(m_AlphaFlag * 0x100 + m_bpp);
@@ skipping 30 matching lines @@
 
   void SetPaletteEntry(int index, uint32_t color);
   uint32_t GetPaletteArgb(int index) const { return GetPaletteEntry(index); }
   void SetPaletteArgb(int index, uint32_t color) {
     SetPaletteEntry(index, color);
   }
 
   void CopyPalette(const uint32_t* pSrcPal, uint32_t size = 256);
 
   CFX_DIBitmap* Clone(const FX_RECT* pClip = nullptr) const;
-  CFX_DIBitmap* CloneConvert(FXDIB_Format format,
-                             const FX_RECT* pClip = nullptr,
-                             void* pIccTransform = nullptr) const;
+  CFX_DIBitmap* CloneConvert(FXDIB_Format format) const;
 
   CFX_DIBitmap* StretchTo(int dest_width,
                           int dest_height,
                           uint32_t flags = 0,
                           const FX_RECT* pClip = nullptr) const;
   CFX_DIBitmap* TransformTo(const CFX_Matrix* pMatrix,
                             int& left,
                             int& top,
                             uint32_t flags = 0,
                             const FX_RECT* pClip = nullptr) const;
@@ skipping 56 matching lines @@
   void DownSampleScanline(int line,
                           uint8_t* dest_scan,
                           int dest_bpp,
                           int dest_width,
                           FX_BOOL bFlipX,
                           int clip_left,
                           int clip_width) const override;
 
   void TakeOver(CFX_DIBitmap* pSrcBitmap);
 
-  FX_BOOL ConvertFormat(FXDIB_Format format, void* pIccTransform = nullptr);
+  FX_BOOL ConvertFormat(FXDIB_Format format);
 
   void Clear(uint32_t color);
 
   uint32_t GetPixel(int x, int y) const;
 
   void SetPixel(int x, int y, uint32_t color);
 
   FX_BOOL LoadChannel(FXDIB_Channel destChannel,
                       const CFX_DIBSource* pSrcBitmap,
                       FXDIB_Channel srcChannel);
 
   FX_BOOL LoadChannel(FXDIB_Channel destChannel, int value);
 
   FX_BOOL MultiplyAlpha(int alpha);
 
   FX_BOOL MultiplyAlpha(const CFX_DIBSource* pAlphaMask);
 
   FX_BOOL TransferBitmap(int dest_left,
                          int dest_top,
                          int width,
                          int height,
                          const CFX_DIBSource* pSrcBitmap,
                          int src_left,
-                         int src_top,
-                         void* pIccTransform = nullptr);
+                         int src_top);
 
   FX_BOOL CompositeBitmap(int dest_left,
                           int dest_top,
                           int width,
                           int height,
                           const CFX_DIBSource* pSrcBitmap,
                           int src_left,
                           int src_top,
                           int blend_type = FXDIB_BLEND_NORMAL,
                           const CFX_ClipRgn* pClipRgn = nullptr,
@@ skipping 37 matching lines @@
 
  protected:
   FX_BOOL GetGrayData(void* pIccTransform = nullptr);
 
   uint8_t* m_pBuffer;
   FX_BOOL m_bExtBuf;
 };
 
 class CFX_DIBExtractor {
  public:
-  CFX_DIBExtractor(const CFX_DIBSource* pSrc);
-
+  explicit CFX_DIBExtractor(const CFX_DIBSource* pSrc);
   ~CFX_DIBExtractor();
 
   operator CFX_DIBitmap*() { return m_pBitmap; }
 
  private:
   CFX_DIBitmap* m_pBitmap;
 };
 
 typedef CFX_CountRef<CFX_DIBitmap> CFX_DIBitmapRef;
 class CFX_FilteredDIB : public CFX_DIBSource {
@@ skipping 277 matching lines @@
   int m_Status;
   FX_RECT m_ClipBox;
   uint32_t m_Flags;
   int m_AlphaFlag;
   void* m_pIccTransform;
   FX_BOOL m_bRgbByteOrder;
   int m_BlendType;
 };
 
 #endif  // CORE_FXGE_INCLUDE_FX_DIB_H_