blob: d6e99b7f73c56545958cb98f90b18b3e3d33bb1f [file] [log] [blame]
// 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