| // 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 _FPDF_DIB_H_ |
| #define _FPDF_DIB_H_ |
| #ifndef _FXCRT_EXTENSION_ |
| #include "../fxcrt/fx_ext.h" |
| #endif |
| enum FXDIB_Format { |
| FXDIB_Invalid = 0, |
| FXDIB_1bppMask = 0x101, |
| FXDIB_1bppRgb = 0x001, |
| FXDIB_1bppCmyk = 0x401, |
| FXDIB_8bppMask = 0x108, |
| FXDIB_8bppRgb = 0x008, |
| 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_PALETTE_LOC 0x01 |
| #define FXDIB_PALETTE_WIN 0x02 |
| #define FXDIB_PALETTE_MAC 0x04 |
| #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 |
| |
| #define FXDIB_BLEND_COLORDODGE 6 |
| #define FXDIB_BLEND_COLORBURN 7 |
| #define FXDIB_BLEND_HARDLIGHT 8 |
| #define FXDIB_BLEND_SOFTLIGHT 9 |
| #define FXDIB_BLEND_DIFFERENCE 10 |
| #define FXDIB_BLEND_EXCLUSION 11 |
| #define FXDIB_BLEND_NONSEPARABLE 21 |
| #define FXDIB_BLEND_HUE 21 |
| #define FXDIB_BLEND_SATURATION 22 |
| #define FXDIB_BLEND_COLOR 23 |
| #define FXDIB_BLEND_LUMINOSITY 24 |
| #define FXDIB_BLEND_UNSUPPORTED -1 |
| typedef FX_DWORD FX_ARGB; |
| typedef FX_DWORD FX_COLORREF; |
| typedef FX_DWORD FX_CMYK; |
| class CFX_ClipRgn; |
| class CFX_DIBSource; |
| class CFX_DIBitmap; |
| #define FXSYS_RGB(r, g, b) ((r) | ((g) << 8) | ((b) << 16)) |
| #define FXSYS_GetRValue(rgb) ((rgb) & 0xff) |
| #define FXSYS_GetGValue(rgb) (((rgb) >> 8) & 0xff) |
| #define FXSYS_GetBValue(rgb) (((rgb) >> 16) & 0xff) |
| #define FX_CCOLOR(val) (255-(val)) |
| #define FXSYS_CMYK(c, m, y, k) (((c) << 24) | ((m) << 16) | ((y) << 8) | (k)) |
| #define FXSYS_GetCValue(cmyk) ((FX_BYTE)((cmyk) >> 24) & 0xff) |
| #define FXSYS_GetMValue(cmyk) ((FX_BYTE)((cmyk) >> 16) & 0xff) |
| #define FXSYS_GetYValue(cmyk) ((FX_BYTE)((cmyk) >> 8) & 0xff) |
| #define FXSYS_GetKValue(cmyk) ((FX_BYTE)(cmyk) & 0xff) |
| void CmykDecode(FX_CMYK cmyk, int& c, int& m, int& y, int& k); |
| inline FX_CMYK CmykEncode(int c, int m, int y, int k) |
| { |
| return (c << 24) | (m << 16) | (y << 8) | k; |
| } |
| void ArgbDecode(FX_ARGB argb, int& a, int& r, int&g, int& b); |
| void ArgbDecode(FX_ARGB argb, int& a, FX_COLORREF& rgb); |
| inline FX_ARGB ArgbEncode(int a, int r, int g, int b) |
| { |
| return (a << 24) | (r << 16) | (g << 8) | b; |
| } |
| FX_ARGB ArgbEncode(int a, FX_COLORREF rgb); |
| #define FXARGB_A(argb) ((FX_BYTE)((argb) >> 24)) |
| #define FXARGB_R(argb) ((FX_BYTE)((argb) >> 16)) |
| #define FXARGB_G(argb) ((FX_BYTE)((argb) >> 8)) |
| #define FXARGB_B(argb) ((FX_BYTE)(argb)) |
| #define FXARGB_MAKE(a,r,g,b) (((FX_DWORD)(a) << 24) | ((r) << 16) | ((g) << 8) | (b)) |
| #define FXARGB_MUL_ALPHA(argb, alpha) (((((argb) >> 24) * (alpha) / 255) << 24) | ((argb) & 0xffffff)) |
| #define FXRGB2GRAY(r,g,b) (((b) * 11 + (g) * 59 + (r) * 30) / 100) |
| #define FXCMYK2GRAY(c,m,y,k) (((255-(c)) * (255-(k)) * 30 + (255-(m)) * (255-(k)) * 59 + (255-(y)) * (255-(k)) * 11) / 25500) |
| #define FXDIB_ALPHA_MERGE(backdrop, source, source_alpha) (((backdrop) * (255-(source_alpha)) + (source)*(source_alpha))/255) |
| #define FXDIB_ALPHA_UNION(dest, src) ((dest) + (src) - (dest)*(src)/255) |
| #define FXCMYK_GETDIB(p) ((((FX_LPBYTE)(p))[0] << 24 | (((FX_LPBYTE)(p))[1] << 16) | (((FX_LPBYTE)(p))[2] << 8) | ((FX_LPBYTE)(p))[3])) |
| #define FXCMYK_SETDIB(p, cmyk) ((FX_LPBYTE)(p))[0] = (FX_BYTE)((cmyk) >> 24), \ |
| ((FX_LPBYTE)(p))[1] = (FX_BYTE)((cmyk) >> 16), \ |
| ((FX_LPBYTE)(p))[2] = (FX_BYTE)((cmyk) >> 8), \ |
| ((FX_LPBYTE)(p))[3] = (FX_BYTE)(cmyk)) |
| #define FXARGB_GETDIB(p) ((((FX_LPBYTE)(p))[0]) | (((FX_LPBYTE)(p))[1] << 8) | (((FX_LPBYTE)(p))[2] << 16) | (((FX_LPBYTE)(p))[3] << 24)) |
| #define FXARGB_SETDIB(p, argb) ((FX_LPBYTE)(p))[0] = (FX_BYTE)(argb), \ |
| ((FX_LPBYTE)(p))[1] = (FX_BYTE)((argb) >> 8), \ |
| ((FX_LPBYTE)(p))[2] = (FX_BYTE)((argb) >> 16), \ |
| ((FX_LPBYTE)(p))[3] = (FX_BYTE)((argb) >> 24) |
| #define FXARGB_COPY(dest, src) *(FX_LPBYTE)(dest) = *(FX_LPBYTE)(src), \ |
| *((FX_LPBYTE)(dest)+1) = *((FX_LPBYTE)(src)+1), \ |
| *((FX_LPBYTE)(dest)+2) = *((FX_LPBYTE)(src)+2), \ |
| *((FX_LPBYTE)(dest)+3) = *((FX_LPBYTE)(src)+3) |
| #define FXCMYK_COPY(dest, src) *(FX_LPBYTE)(dest) = *(FX_LPBYTE)(src), \ |
| *((FX_LPBYTE)(dest)+1) = *((FX_LPBYTE)(src)+1), \ |
| *((FX_LPBYTE)(dest)+2) = *((FX_LPBYTE)(src)+2), \ |
| *((FX_LPBYTE)(dest)+3) = *((FX_LPBYTE)(src)+3) |
| #define FXARGB_SETRGBORDERDIB(p, argb) ((FX_LPBYTE)(p))[3] = (FX_BYTE)(argb>>24), \ |
| ((FX_LPBYTE)(p))[0] = (FX_BYTE)((argb) >> 16), \ |
| ((FX_LPBYTE)(p))[1] = (FX_BYTE)((argb) >> 8), \ |
| ((FX_LPBYTE)(p))[2] = (FX_BYTE)(argb) |
| #define FXARGB_GETRGBORDERDIB(p) (((FX_LPBYTE)(p))[2]) | (((FX_LPBYTE)(p))[1] << 8) | (((FX_LPBYTE)(p))[0] << 16) | (((FX_LPBYTE)(p))[3] << 24) |
| #define FXARGB_RGBORDERCOPY(dest, src) *((FX_LPBYTE)(dest)+3) = *((FX_LPBYTE)(src)+3), \ |
| *(FX_LPBYTE)(dest) = *((FX_LPBYTE)(src)+2), \ |
| *((FX_LPBYTE)(dest)+1) = *((FX_LPBYTE)(src)+1), \ |
| *((FX_LPBYTE)(dest)+2) = *((FX_LPBYTE)(src)) |
| #define FXARGB_TODIB(argb) (argb) |
| #define FXCMYK_TODIB(cmyk) ((FX_BYTE)((cmyk) >> 24) | ((FX_BYTE)((cmyk) >> 16)) << 8 | ((FX_BYTE)((cmyk) >> 8)) << 16 | ((FX_BYTE)(cmyk) << 24)) |
| #define FXARGB_TOBGRORDERDIB(argb) ((FX_BYTE)(argb>>16) | ((FX_BYTE)(argb>>8)) << 8 | ((FX_BYTE)(argb)) << 16 | ((FX_BYTE)(argb>>24) << 24)) |
| #define FXGETFLAG_COLORTYPE(flag) (FX_BYTE)((flag)>>8) |
| #define FXGETFLAG_ALPHA_FILL(flag) (FX_BYTE)(flag) |
| #define FXGETFLAG_ALPHA_STROKE(flag) (FX_BYTE)((flag)>>16) |
| #define FXSETFLAG_COLORTYPE(flag, val) flag = (((val)<<8)|(flag&0xffff00ff)) |
| #define FXSETFLAG_ALPHA_FILL(flag, val) flag = ((val)|(flag&0xffffff00)) |
| #define FXSETFLAG_ALPHA_STROKE(flag, val) flag = (((val)<<16)|(flag&0xff00ffff)) |
| 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); |
| } |
| |
| FX_DWORD GetPitch() const |
| { |
| return m_Pitch; |
| } |
| |
| FX_DWORD* GetPalette() const |
| { |
| return m_pPalette; |
| } |
| |
| |
| |
| virtual FX_LPBYTE GetBuffer() const |
| { |
| return NULL; |
| } |
| |
| virtual FX_LPCBYTE GetScanline(int line) const = 0; |
| |
| virtual FX_BOOL SkipToScanline(int line, IFX_Pause* pPause) const |
| { |
| return FALSE; |
| } |
| |
| virtual void DownSampleScanline(int line, FX_LPBYTE dest_scan, int dest_bpp, |
| int dest_width, FX_BOOL bFlipX, int clip_left, int clip_width) const = 0; |
| |
| virtual void SetDownSampleSize(int width, int height) const {} |
| |
| int GetBPP() const |
| { |
| return m_bpp; |
| } |
| |
| FX_BOOL IsAlphaMask() const |
| { |
| return m_AlphaFlag == 1; |
| } |
| |
| FX_BOOL HasAlpha() const |
| { |
| return m_AlphaFlag & 2 ? TRUE : FALSE; |
| } |
| |
| FX_BOOL IsOpaqueImage() const |
| { |
| return !(m_AlphaFlag & 3); |
| } |
| |
| FX_BOOL IsCmykImage() const |
| { |
| return m_AlphaFlag & 4 ? TRUE : FALSE; |
| } |
| |
| |
| |
| int GetPaletteSize() const |
| { |
| return IsAlphaMask() ? 0 : (m_bpp == 1 ? 2 : (m_bpp == 8 ? 256 : 0)); |
| } |
| |
| FX_DWORD GetPaletteEntry(int index) const; |
| |
| void SetPaletteEntry(int index, FX_DWORD color); |
| FX_DWORD GetPaletteArgb(int index) const |
| { |
| return GetPaletteEntry(index); |
| } |
| void SetPaletteArgb(int index, FX_DWORD color) |
| { |
| SetPaletteEntry(index, color); |
| } |
| |
| void CopyPalette(const FX_DWORD* pSrcPal, FX_DWORD size = 256); |
| |
| |
| CFX_DIBitmap* Clone(const FX_RECT* pClip = NULL) const; |
| |
| CFX_DIBitmap* CloneConvert(FXDIB_Format format, const FX_RECT* pClip = NULL, void* pIccTransform = NULL) const; |
| |
| CFX_DIBitmap* StretchTo(int dest_width, int dest_height, FX_DWORD flags = 0, const FX_RECT* pClip = NULL) const; |
| |
| |
| CFX_DIBitmap* TransformTo(const CFX_AffineMatrix* pMatrix, int& left, int &top, |
| FX_DWORD flags = 0, const FX_RECT* pClip = NULL) const; |
| |
| CFX_DIBitmap* GetAlphaMask(const FX_RECT* pClip = NULL) const; |
| |
| FX_BOOL CopyAlphaMask(const CFX_DIBSource* pAlphaMask, const FX_RECT* pClip = NULL); |
| |
| CFX_DIBitmap* SwapXY(FX_BOOL bXFlip, FX_BOOL bYFlip, const FX_RECT* pClip = NULL) const; |
| |
| CFX_DIBitmap* FlipImage(FX_BOOL bXFlip, FX_BOOL bYFlip) const; |
| |
| void GetOverlapRect(int& dest_left, int& dest_top, int& width, int& height, int src_width, |
| int src_height, int& src_left, int& src_top, const CFX_ClipRgn* pClipRgn); |
| |
| CFX_DIBitmap* m_pAlphaMask; |
| protected: |
| |
| CFX_DIBSource(); |
| |
| int m_Width; |
| |
| int m_Height; |
| |
| int m_bpp; |
| |
| FX_DWORD m_AlphaFlag; |
| |
| FX_DWORD m_Pitch; |
| |
| FX_DWORD* m_pPalette; |
| |
| void BuildPalette(); |
| |
| FX_BOOL BuildAlphaMask(); |
| |
| int FindPalette(FX_DWORD color) const; |
| |
| void GetPalette(FX_DWORD* pal, int alpha) const; |
| }; |
| class CFX_DIBitmap : public CFX_DIBSource |
| { |
| public: |
| |
| virtual ~CFX_DIBitmap(); |
| |
| CFX_DIBitmap(); |
| |
| CFX_DIBitmap(const CFX_DIBitmap& src); |
| |
| FX_BOOL Create(int width, int height, FXDIB_Format format, FX_LPBYTE pBuffer = NULL, int pitch = 0); |
| |
| FX_BOOL Copy(const CFX_DIBSource* pSrc); |
| |
| virtual FX_LPBYTE GetBuffer() const |
| { |
| return m_pBuffer; |
| } |
| |
| virtual FX_LPCBYTE GetScanline(int line) const |
| { |
| return m_pBuffer ? m_pBuffer + line * m_Pitch : NULL; |
| } |
| |
| virtual void DownSampleScanline(int line, FX_LPBYTE dest_scan, int dest_bpp, |
| int dest_width, FX_BOOL bFlipX, int clip_left, int clip_width) const; |
| |
| void TakeOver(CFX_DIBitmap* pSrcBitmap); |
| |
| FX_BOOL ConvertFormat(FXDIB_Format format, void* pIccTransform = NULL); |
| |
| void Clear(FX_DWORD color); |
| |
| FX_DWORD GetPixel(int x, int y) const; |
| |
| void SetPixel(int x, int y, FX_DWORD 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 = NULL); |
| |
| 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 = NULL, FX_BOOL bRgbByteOrder = FALSE, void* pIccTransform = NULL); |
| |
| FX_BOOL TransferMask(int dest_left, int dest_top, int width, int height, |
| const CFX_DIBSource* pMask, FX_DWORD color, int src_left, int src_top, int alpha_flag = 0, void* pIccTransform = NULL); |
| |
| FX_BOOL CompositeMask(int dest_left, int dest_top, int width, int height, |
| const CFX_DIBSource* pMask, FX_DWORD color, int src_left, int src_top, |
| int blend_type = FXDIB_BLEND_NORMAL, const CFX_ClipRgn* pClipRgn = NULL, FX_BOOL bRgbByteOrder = FALSE, int alpha_flag = 0, void* pIccTransform = NULL); |
| |
| FX_BOOL CompositeRect(int dest_left, int dest_top, int width, int height, FX_DWORD color, int alpha_flag = 0, void* pIccTransform = NULL); |
| |
| FX_BOOL ConvertColorScale(FX_DWORD forecolor, FX_DWORD backcolor); |
| |
| FX_BOOL DitherFS(const FX_DWORD* pPalette, int pal_size, const FX_RECT* pRect = NULL); |
| protected: |
| |
| FX_LPBYTE m_pBuffer; |
| |
| FX_BOOL m_bExtBuf; |
| |
| FX_BOOL GetGrayData(void* pIccTransform = NULL); |
| }; |
| class CFX_DIBExtractor |
| { |
| public: |
| |
| 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 |
| { |
| public: |
| |
| CFX_FilteredDIB(); |
| |
| ~CFX_FilteredDIB(); |
| |
| void LoadSrc(const CFX_DIBSource* pSrc, FX_BOOL bAutoDropSrc = FALSE); |
| |
| virtual FXDIB_Format GetDestFormat() = 0; |
| |
| virtual FX_DWORD* GetDestPalette() = 0; |
| |
| |
| virtual void TranslateScanline(FX_LPBYTE dest_buf, FX_LPCBYTE src_buf) const = 0; |
| |
| virtual void TranslateDownSamples(FX_LPBYTE dest_buf, FX_LPCBYTE src_buf, int pixels, int Bpp) const = 0; |
| protected: |
| virtual FX_LPCBYTE GetScanline(int line) const; |
| virtual void DownSampleScanline(int line, FX_LPBYTE dest_scan, int dest_bpp, |
| int dest_width, FX_BOOL bFlipX, int clip_left, int clip_width) const; |
| |
| const CFX_DIBSource* m_pSrc; |
| |
| FX_BOOL m_bAutoDropSrc; |
| |
| FX_LPBYTE m_pScanline; |
| }; |
| class IFX_ScanlineComposer |
| { |
| public: |
| virtual ~IFX_ScanlineComposer() { } |
| |
| virtual void ComposeScanline(int line, FX_LPCBYTE scanline, FX_LPCBYTE scan_extra_alpha = NULL) = 0; |
| |
| virtual FX_BOOL SetInfo(int width, int height, FXDIB_Format src_format, FX_DWORD* pSrcPalette) = 0; |
| }; |
| class CFX_ScanlineCompositor |
| { |
| public: |
| CFX_ScanlineCompositor(); |
| |
| ~CFX_ScanlineCompositor(); |
| |
| FX_BOOL Init(FXDIB_Format dest_format, FXDIB_Format src_format, FX_INT32 width, FX_DWORD* pSrcPalette, |
| FX_DWORD mask_color, int blend_type, FX_BOOL bClip, FX_BOOL bRgbByteOrder = FALSE, int alpha_flag = 0, void* pIccTransform = NULL); |
| |
| |
| void CompositeRgbBitmapLine(FX_LPBYTE dest_scan, FX_LPCBYTE src_scan, int width, FX_LPCBYTE clip_scan, |
| FX_LPCBYTE src_extra_alpha = NULL, FX_LPBYTE dst_extra_alpha = NULL); |
| |
| |
| void CompositePalBitmapLine(FX_LPBYTE dest_scan, FX_LPCBYTE src_scan, int src_left, int width, FX_LPCBYTE clip_scan, |
| FX_LPCBYTE src_extra_alpha = NULL, FX_LPBYTE dst_extra_alpha = NULL); |
| |
| |
| void CompositeByteMaskLine(FX_LPBYTE dest_scan, FX_LPCBYTE src_scan, int width, FX_LPCBYTE clip_scan, |
| FX_LPBYTE dst_extra_alpha = NULL); |
| |
| |
| void CompositeBitMaskLine(FX_LPBYTE dest_scan, FX_LPCBYTE src_scan, int src_left, int width, FX_LPCBYTE clip_scan, |
| FX_LPBYTE dst_extra_alpha = NULL); |
| protected: |
| int m_Transparency; |
| FXDIB_Format m_SrcFormat, |
| m_DestFormat; |
| FX_DWORD* m_pSrcPalette; |
| |
| int m_MaskAlpha, |
| m_MaskRed, |
| m_MaskGreen, |
| m_MaskBlue, |
| m_MaskBlack; |
| int m_BlendType; |
| void* m_pIccTransform; |
| FX_LPBYTE m_pCacheScanline; |
| int m_CacheSize; |
| FX_BOOL m_bRgbByteOrder; |
| }; |
| class CFX_BitmapComposer : public IFX_ScanlineComposer |
| { |
| public: |
| |
| CFX_BitmapComposer(); |
| |
| ~CFX_BitmapComposer(); |
| |
| |
| void Compose(CFX_DIBitmap* pDest, const CFX_ClipRgn* pClipRgn, int bitmap_alpha, |
| FX_DWORD mask_color, FX_RECT& dest_rect, FX_BOOL bVertical, |
| FX_BOOL bFlipX, FX_BOOL bFlipY, FX_BOOL bRgbByteOrder = FALSE, |
| int alpha_flag = 0, void* pIccTransform = NULL, int blend_type = FXDIB_BLEND_NORMAL); |
| |
| virtual FX_BOOL SetInfo(int width, int height, FXDIB_Format src_format, FX_DWORD* pSrcPalette); |
| |
| |
| virtual void ComposeScanline(int line, FX_LPCBYTE scanline, FX_LPCBYTE scan_extra_alpha); |
| protected: |
| |
| void DoCompose(FX_LPBYTE dest_scan, FX_LPCBYTE src_scan, int dest_width, FX_LPCBYTE clip_scan, |
| FX_LPCBYTE src_extra_alpha = NULL, FX_LPBYTE dst_extra_alpha = NULL); |
| CFX_DIBitmap* m_pBitmap; |
| const CFX_ClipRgn* m_pClipRgn; |
| FXDIB_Format m_SrcFormat; |
| int m_DestLeft, m_DestTop, m_DestWidth, m_DestHeight, m_BitmapAlpha; |
| FX_DWORD m_MaskColor; |
| const CFX_DIBitmap* m_pClipMask; |
| CFX_ScanlineCompositor m_Compositor; |
| FX_BOOL m_bVertical, m_bFlipX, m_bFlipY; |
| int m_AlphaFlag; |
| void* m_pIccTransform; |
| FX_BOOL m_bRgbByteOrder; |
| int m_BlendType; |
| void ComposeScanlineV(int line, FX_LPCBYTE scanline, FX_LPCBYTE scan_extra_alpha = NULL); |
| FX_LPBYTE m_pScanlineV, m_pClipScanV, m_pAddClipScan, m_pScanlineAlphaV; |
| }; |
| class CFX_BitmapStorer : public IFX_ScanlineComposer |
| { |
| public: |
| |
| CFX_BitmapStorer(); |
| |
| ~CFX_BitmapStorer(); |
| |
| virtual void ComposeScanline(int line, FX_LPCBYTE scanline, FX_LPCBYTE scan_extra_alpha); |
| |
| virtual FX_BOOL SetInfo(int width, int height, FXDIB_Format src_format, FX_DWORD* pSrcPalette); |
| |
| CFX_DIBitmap* GetBitmap() |
| { |
| return m_pBitmap; |
| } |
| |
| CFX_DIBitmap* Detach(); |
| |
| void Replace(CFX_DIBitmap* pBitmap); |
| private: |
| CFX_DIBitmap* m_pBitmap; |
| }; |
| class CStretchEngine; |
| class CFX_ImageStretcher |
| { |
| public: |
| |
| CFX_ImageStretcher(); |
| |
| ~CFX_ImageStretcher(); |
| |
| FX_INT32 Start(IFX_ScanlineComposer* pDest, const CFX_DIBSource* pBitmap, |
| int dest_width, int dest_height, const FX_RECT& bitmap_rect, FX_DWORD flags); |
| |
| |
| FX_INT32 Continue(IFX_Pause* pPause); |
| IFX_ScanlineComposer* m_pDest; |
| const CFX_DIBSource* m_pSource; |
| CStretchEngine* m_pStretchEngine; |
| FX_DWORD m_Flags; |
| FX_BOOL m_bFlipX, |
| m_bFlipY; |
| int m_DestWidth, |
| m_DestHeight; |
| FX_RECT m_ClipRect; |
| int m_LineIndex; |
| int m_DestBPP; |
| FX_LPBYTE m_pScanline; |
| FX_LPBYTE m_pMaskScanline; |
| FXDIB_Format m_DestFormat; |
| FX_INT32 m_Status; |
| |
| FX_INT32 StartQuickStretch(); |
| |
| FX_INT32 StartStretch(); |
| |
| FX_INT32 ContinueQuickStretch(IFX_Pause* pPause); |
| |
| FX_INT32 ContinueStretch(IFX_Pause* pPause); |
| }; |
| class CFX_ImageTransformer |
| { |
| public: |
| |
| CFX_ImageTransformer(); |
| |
| ~CFX_ImageTransformer(); |
| |
| FX_INT32 Start(const CFX_DIBSource* pSrc, const CFX_AffineMatrix* pMatrix, int flags, const FX_RECT* pClip); |
| |
| |
| FX_INT32 Continue(IFX_Pause* pPause); |
| CFX_AffineMatrix* m_pMatrix; |
| FX_RECT m_StretchClip; |
| int m_ResultLeft, m_ResultTop, m_ResultWidth, m_ResultHeight; |
| CFX_AffineMatrix m_dest2stretch; |
| CFX_ImageStretcher m_Stretcher; |
| CFX_BitmapStorer m_Storer; |
| FX_DWORD m_Flags; |
| int m_Status; |
| }; |
| class CFX_ImageRenderer |
| { |
| public: |
| |
| CFX_ImageRenderer(); |
| |
| ~CFX_ImageRenderer(); |
| |
| FX_INT32 Start(CFX_DIBitmap* pDevice, const CFX_ClipRgn* pClipRgn, |
| const CFX_DIBSource* pSource, int bitmap_alpha, |
| FX_DWORD mask_color, const CFX_AffineMatrix* pMatrix, FX_DWORD dib_flags, |
| FX_BOOL bRgbByteOrder = FALSE, int alpha_flag = 0, void* pIccTransform = NULL, |
| int blend_type = FXDIB_BLEND_NORMAL); |
| |
| FX_INT32 Continue(IFX_Pause* pPause); |
| protected: |
| CFX_DIBitmap* m_pDevice; |
| const CFX_ClipRgn* m_pClipRgn; |
| int m_BitmapAlpha; |
| FX_DWORD m_MaskColor; |
| CFX_AffineMatrix m_Matrix; |
| CFX_ImageTransformer* m_pTransformer; |
| CFX_ImageStretcher m_Stretcher; |
| CFX_BitmapComposer m_Composer; |
| int m_Status; |
| int m_DestLeft, m_DestTop; |
| FX_RECT m_ClipBox; |
| FX_DWORD m_Flags; |
| int m_AlphaFlag; |
| void* m_pIccTransform; |
| FX_BOOL m_bRgbByteOrder; |
| int m_BlendType; |
| }; |
| #endif |
