182 lines
9.4 KiB
C
182 lines
9.4 KiB
C
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// BitmapEx.h: interface for the CBitmapEx class.
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(AFX_BITMAPEX_H__80F20A52_B43F_42C5_B182_AC8D27BF5C0E__INCLUDED_)
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#define AFX_BITMAPEX_H__80F20A52_B43F_42C5_B182_AC8D27BF5C0E__INCLUDED_
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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#define _PI 3.1415926f // Value of PI
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#define _BITS_PER_PIXEL_32 32 // 32-bit color depth
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#define _BITS_PER_PIXEL_24 24 // 24-bit color depth
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#define _PIXEL DWORD // Pixel
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#define _RGB(r,g,b) (((r) << 16) | ((g) << 8) | (b)) // Convert to RGB
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#define _GetRValue(c) ((BYTE)(((c) & 0x00FF0000) >> 16)) // Red color component
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#define _GetGValue(c) ((BYTE)(((c) & 0x0000FF00) >> 8)) // Green color component
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#define _GetBValue(c) ((BYTE)((c) & 0x000000FF)) // Blue color component
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typedef long fixed; // Our new fixed point type
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#define itofx(x) ((x) << 8) // Integer to fixed point
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#define ftofx(x) (long)((x) * 256) // Float to fixed point
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#define dtofx(x) (long)((x) * 256) // Double to fixed point
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#define fxtoi(x) ((x) >> 8) // Fixed point to integer
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#define fxtof(x) ((float) (x) / 256) // Fixed point to float
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#define fxtod(x) ((double)(x) / 256) // Fixed point to double
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#define Mulfx(x,y) (((x) * (y)) >> 8) // Multiply a fixed by a fixed
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#define Divfx(x,y) (((x) << 8) / (y)) // Divide a fixed by a fixed
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typedef struct __POINT
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{
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long x;
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long y;
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} _POINT, *_LPPOINT;
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typedef struct __QUAD
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{
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_POINT p1;
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_POINT p2;
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_POINT p3;
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_POINT p4;
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} _QUAD, *_LPQUAD;
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typedef enum __RESAMPLE_MODE
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{
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RM_NEARESTNEIGHBOUR = 0,
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RM_BILINEAR,
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RM_BICUBIC,
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} _RESAMPLE_MODE;
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typedef enum __GRADIENT_MODE
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{
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GM_NONE = 0x00,
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GM_HORIZONTAL = 0x01,
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GM_VERTICAL = 0x02,
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GM_RADIAL = 0x04
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} _GRADIENT_MODE;
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class CBitmapEx
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{
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public:
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// Public methods
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CBitmapEx();
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virtual ~CBitmapEx();
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void Create(long width, long height);
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void Create(CBitmapEx& bitmapEx);
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void Load(LPTSTR lpszBitmapFile);
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void Load(LPBYTE lpBitmapData);
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void Save(LPTSTR lpszBitmapFile);
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void Save(LPBYTE lpBitmapData);
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void Scale(long horizontalPercent=100, long verticalPercent=100);
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void Rotate(long degrees=0, _PIXEL bgColor=_RGB(0,0,0));
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void FlipHorizontal();
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void FlipVertical();
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void MirrorLeft();
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void MirrorRight();
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void MirrorTop();
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void MirrorBottom();
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void Clear(_PIXEL clearColor=_RGB(0,0,0));
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void Negative();
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void Grayscale();
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void Sepia(long depth=34);
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void Emboss();
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void Engrave();
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void Pixelize(long size=4);
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void Draw(HDC hDC);
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void Draw(HDC hDC, long dstX, long dstY);
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void Draw(long dstX, long dstY, long width, long height, CBitmapEx& bitmapEx, long srcX, long srcY);
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void Draw(long dstX, long dstY, long width, long height, CBitmapEx& bitmapEx, long srcX, long srcY, long alpha);
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void Draw(_QUAD dstQuad, CBitmapEx& bitmapEx);
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void Draw(_QUAD dstQuad, CBitmapEx& bitmapEx, long alpha);
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void Draw(_QUAD dstQuad, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight);
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void Draw(_QUAD dstQuad, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha);
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void Draw(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight);
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void Draw(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha);
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void DrawTransparent(long dstX, long dstY, long width, long height, CBitmapEx& bitmapEx, long srcX, long srcY, _PIXEL transparentColor=_RGB(0,0,0));
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void DrawTransparent(long dstX, long dstY, long width, long height, CBitmapEx& bitmapEx, long srcX, long srcY, long alpha, _PIXEL transparentColor=_RGB(0,0,0));
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void DrawTransparent(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, _PIXEL transparentColor=_RGB(0,0,0));
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void DrawTransparent(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha, _PIXEL transparentColor=_RGB(0,0,0));
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void DrawTransparent(_QUAD dstQuad, CBitmapEx& bitmapEx, _PIXEL transparentColor=_RGB(0,0,0));
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void DrawTransparent(_QUAD dstQuad, CBitmapEx& bitmapEx, long alpha, _PIXEL transparentColor=_RGB(0,0,0));
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void DrawTransparent(_QUAD dstQuad, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, _PIXEL transparentColor=_RGB(0,0,0));
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void DrawTransparent(_QUAD dstQuad, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha, _PIXEL transparentColor=_RGB(0,0,0));
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void DrawBlended(long dstX, long dstY, long width, long height, CBitmapEx& bitmapEx, long srcX, long srcY, long startAlpha, long endAlpha, DWORD mode=GM_NONE);
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void DrawBlended(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long startAlpha, long endAlpha, DWORD mode=GM_NONE);
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LPBITMAPFILEHEADER GetFileInfo() {return &m_bfh;}
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LPBITMAPINFOHEADER GetInfo() {return &m_bih;}
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long GetWidth() {return m_bih.biWidth;}
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long GetHeight() {return m_bih.biHeight;}
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long GetPitch() {return m_iPitch;}
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long GetBpp() {return m_iBpp;}
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long GetPaletteEntries() {return m_iPaletteEntries;}
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LPRGBQUAD GetPalette() {return m_lpPalette;}
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DWORD GetSize() {return m_dwSize;}
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LPBYTE GetData() {return m_lpData;}
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void SetResampleMode(_RESAMPLE_MODE mode=RM_NEARESTNEIGHBOUR) {m_ResampleMode = mode;}
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_RESAMPLE_MODE GetResampleMode() {return m_ResampleMode;}
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BOOL IsValid() {return (m_dwSize > 0);}
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_PIXEL GetPixel(long x, long y);
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void SetPixel(long x, long y, _PIXEL pixel);
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//wangjun
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void LoadImageFile(LPTSTR lpszImageFile);
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void SaveJPGFile(LPTSTR lpszImageFile);
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private:
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// Private methods
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void _ConvertTo32Bpp();
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void _ConvertTo24Bpp();
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void _ScaleNearestNeighbour(long horizontalPercent, long verticalPercent);
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void _ScaleBilinear(long horizontalPercent, long verticalPercent);
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void _ScaleBicubic(long horizontalPercent, long verticalPercent);
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void _RotateNearestNeighbour(long degrees, _PIXEL bgColor);
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void _RotateBilinear(long degrees, _PIXEL bgColor);
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void _RotateBicubic(long degrees, _PIXEL bgColor);
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void _DrawNearestNeighbour(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight);
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void _DrawBilinear(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight);
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void _DrawBicubic(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight);
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void _DrawNearestNeighbour(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha);
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void _DrawBilinear(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha);
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void _DrawBicubic(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha);
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void _DrawTransparentNearestNeighbour(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, _PIXEL transparentColor=_RGB(0,0,0));
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void _DrawTransparentBilinear(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, _PIXEL transparentColor=_RGB(0,0,0));
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void _DrawTransparentBicubic(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, _PIXEL transparentColor=_RGB(0,0,0));
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void _DrawTransparentNearestNeighbour(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha, _PIXEL transparentColor=_RGB(0,0,0));
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void _DrawTransparentBilinear(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha, _PIXEL transparentColor=_RGB(0,0,0));
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void _DrawTransparentBicubic(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long alpha, _PIXEL transparentColor=_RGB(0,0,0));
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void _DrawBlendedNearestNeighbour(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long startAlpha, long endAlpha, DWORD mode=GM_NONE);
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void _DrawBlendedBilinear(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long startAlpha, long endAlpha, DWORD mode=GM_NONE);
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void _DrawBlendedBicubic(long dstX, long dstY, long dstWidth, long dstHeight, CBitmapEx& bitmapEx, long srcX, long srcY, long srcWidth, long srcHeight, long startAlpha, long endAlpha, DWORD mode=GM_NONE);
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// wanhjun
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HANDLE _dibFromBitmap(HBITMAP hBitmap); //DDB->DIB
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int _DIBNumColors (LPBITMAPINFOHEADER lpbi);
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HBITMAP _extractBitmap(IPicture* pPicture);
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int _GetCodecClsid(const WCHAR* format, CLSID* pClsid);
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private:
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// Private members
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BITMAPFILEHEADER m_bfh;
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BITMAPINFOHEADER m_bih;
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long m_iPaletteEntries;
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RGBQUAD m_lpPalette[256];
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long m_iPitch;
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long m_iBpp;
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DWORD m_dwSize;
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LPBYTE m_lpData;
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_RESAMPLE_MODE m_ResampleMode;
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};
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#endif // !defined(AFX_BITMAPEX_H__80F20A52_B43F_42C5_B182_AC8D27BF5C0E__INCLUDED_)
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