ximage.h
上传用户:pass2008
上传日期:2021-07-05
资源大小:3299k
文件大小:28k
- /*
- * File: ximage.h
- * Purpose: General Purpose Image Class
- */
- /*
- --------------------------------------------------------------------------------
- COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
- CxImage version 6.0.0 02/Feb/2008
- CxImage : Copyright (C) 2001 - 2008, Davide Pizzolato
- Original CImage and CImageIterator implementation are:
- Copyright (C) 1995, Alejandro Aguilar Sierra (asierra(at)servidor(dot)unam(dot)mx)
- Covered code is provided under this license on an "as is" basis, without warranty
- of any kind, either expressed or implied, including, without limitation, warranties
- that the covered code is free of defects, merchantable, fit for a particular purpose
- or non-infringing. The entire risk as to the quality and performance of the covered
- code is with you. Should any covered code prove defective in any respect, you (not
- the initial developer or any other contributor) assume the cost of any necessary
- servicing, repair or correction. This disclaimer of warranty constitutes an essential
- part of this license. No use of any covered code is authorized hereunder except under
- this disclaimer.
- Permission is hereby granted to use, copy, modify, and distribute this
- source code, or portions hereof, for any purpose, including commercial applications,
- freely and without fee, subject to the following restrictions:
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
- --------------------------------------------------------------------------------
- Other information about CxImage, and the latest version, can be found at the
- CxImage home page: http://www.xdp.it/cximage/
- --------------------------------------------------------------------------------
- */
- #if !defined(__CXIMAGE_H)
- #define __CXIMAGE_H
- #if _MSC_VER > 1000
- #pragma once
- #endif
- /////////////////////////////////////////////////////////////////////////////
- #include "xfile.h"
- #include "xiofile.h"
- #include "xmemfile.h"
- #include "ximadef.h" //<vho> adjust some #define
- /* see "ximacfg.h" for CxImage configuration options */
- /////////////////////////////////////////////////////////////////////////////
- // CxImage formats enumerator
- enum ENUM_CXIMAGE_FORMATS{
- CXIMAGE_FORMAT_UNKNOWN = 0,
- #if CXIMAGE_SUPPORT_BMP
- CXIMAGE_FORMAT_BMP = 1,
- #endif
- #if CXIMAGE_SUPPORT_GIF
- CXIMAGE_FORMAT_GIF = 2,
- #endif
- #if CXIMAGE_SUPPORT_JPG
- CXIMAGE_FORMAT_JPG = 3,
- #endif
- #if CXIMAGE_SUPPORT_PNG
- CXIMAGE_FORMAT_PNG = 4,
- #endif
- #if CXIMAGE_SUPPORT_ICO
- CXIMAGE_FORMAT_ICO = 5,
- #endif
- #if CXIMAGE_SUPPORT_TIF
- CXIMAGE_FORMAT_TIF = 6,
- #endif
- #if CXIMAGE_SUPPORT_TGA
- CXIMAGE_FORMAT_TGA = 7,
- #endif
- #if CXIMAGE_SUPPORT_PCX
- CXIMAGE_FORMAT_PCX = 8,
- #endif
- #if CXIMAGE_SUPPORT_WBMP
- CXIMAGE_FORMAT_WBMP = 9,
- #endif
- #if CXIMAGE_SUPPORT_WMF
- CXIMAGE_FORMAT_WMF = 10,
- #endif
- #if CXIMAGE_SUPPORT_JP2
- CXIMAGE_FORMAT_JP2 = 11,
- #endif
- #if CXIMAGE_SUPPORT_JPC
- CXIMAGE_FORMAT_JPC = 12,
- #endif
- #if CXIMAGE_SUPPORT_PGX
- CXIMAGE_FORMAT_PGX = 13,
- #endif
- #if CXIMAGE_SUPPORT_PNM
- CXIMAGE_FORMAT_PNM = 14,
- #endif
- #if CXIMAGE_SUPPORT_RAS
- CXIMAGE_FORMAT_RAS = 15,
- #endif
- #if CXIMAGE_SUPPORT_JBG
- CXIMAGE_FORMAT_JBG = 16,
- #endif
- #if CXIMAGE_SUPPORT_MNG
- CXIMAGE_FORMAT_MNG = 17,
- #endif
- #if CXIMAGE_SUPPORT_SKA
- CXIMAGE_FORMAT_SKA = 18,
- #endif
- #if CXIMAGE_SUPPORT_RAW
- CXIMAGE_FORMAT_RAW = 19,
- #endif
- CMAX_IMAGE_FORMATS = CXIMAGE_SUPPORT_BMP + CXIMAGE_SUPPORT_GIF + CXIMAGE_SUPPORT_JPG +
- CXIMAGE_SUPPORT_PNG + CXIMAGE_SUPPORT_MNG + CXIMAGE_SUPPORT_ICO +
- CXIMAGE_SUPPORT_TIF + CXIMAGE_SUPPORT_TGA + CXIMAGE_SUPPORT_PCX +
- CXIMAGE_SUPPORT_WBMP+ CXIMAGE_SUPPORT_WMF +
- CXIMAGE_SUPPORT_JBG + CXIMAGE_SUPPORT_JP2 + CXIMAGE_SUPPORT_JPC +
- CXIMAGE_SUPPORT_PGX + CXIMAGE_SUPPORT_PNM + CXIMAGE_SUPPORT_RAS +
- CXIMAGE_SUPPORT_SKA + CXIMAGE_SUPPORT_RAW + 1
- };
- /////////////////////////////////////////////////////////////////////////////
- // CxImage class
- /////////////////////////////////////////////////////////////////////////////
- class DLL_EXP CxImage
- {
- //extensible information collector
- typedef struct tagCxImageInfo {
- DWORD dwEffWidth; ///< DWORD aligned scan line width
- BYTE* pImage; ///< THE IMAGE BITS
- CxImage* pGhost; ///< if this is a ghost, pGhost points to the body
- CxImage* pParent; ///< if this is a layer, pParent points to the body
- DWORD dwType; ///< original image format
- char szLastError[256]; ///< debugging
- long nProgress; ///< monitor
- long nEscape; ///< escape
- long nBkgndIndex; ///< used for GIF, PNG, MNG
- RGBQUAD nBkgndColor; ///< used for RGB transparency
- float fQuality; ///< used for JPEG, JPEG2000 (0.0f ... 100.0f)
- BYTE nJpegScale; ///< used for JPEG [ignacio]
- long nFrame; ///< used for TIF, GIF, MNG : actual frame
- long nNumFrames; ///< used for TIF, GIF, MNG : total number of frames
- DWORD dwFrameDelay; ///< used for GIF, MNG
- long xDPI; ///< horizontal resolution
- long yDPI; ///< vertical resolution
- RECT rSelectionBox; ///< bounding rectangle
- BYTE nAlphaMax; ///< max opacity (fade)
- bool bAlphaPaletteEnabled; ///< true if alpha values in the palette are enabled.
- bool bEnabled; ///< enables the painting functions
- long xOffset;
- long yOffset;
- DWORD dwCodecOpt[CMAX_IMAGE_FORMATS]; ///< for GIF, TIF : 0=def.1=unc,2=fax3,3=fax4,4=pack,5=jpg
- RGBQUAD last_c; ///< for GetNearestIndex optimization
- BYTE last_c_index;
- bool last_c_isvalid;
- long nNumLayers;
- DWORD dwFlags; ///< 0x??00000 = reserved, 0x00??0000 = blend mode, 0x0000???? = layer id - user flags
- BYTE dispmeth;
- bool bGetAllFrames;
- bool bLittleEndianHost;
- } CXIMAGEINFO;
- public:
- //public structures
- struct rgb_color { BYTE r,g,b; };
- #if CXIMAGE_SUPPORT_WINDOWS
- // <VATI> text placement data
- // members must be initialized with the InitTextInfo(&this) function.
- typedef struct tagCxTextInfo
- {
- #if defined (_WIN32_WCE)
- TCHAR text[256]; ///< text for windows CE
- #else
- TCHAR text[4096]; ///< text (char -> TCHAR for UNICODE [Cesar M])
- #endif
- LOGFONT lfont; ///< font and codepage data
- COLORREF fcolor; ///< foreground color
- long align; ///< DT_CENTER, DT_RIGHT, DT_LEFT aligment for multiline text
- BYTE smooth; ///< text smoothing option. Default is false.
- BYTE opaque; ///< text has background or hasn't. Default is true.
- ///< data for background (ignored if .opaque==FALSE)
- COLORREF bcolor; ///< background color
- float b_opacity; ///< opacity value for background between 0.0-1.0 Default is 0. (opaque)
- BYTE b_outline; ///< outline width for background (zero: no outline)
- BYTE b_round; ///< rounding radius for background rectangle. % of the height, between 0-50. Default is 10.
- ///< (backgr. always has a frame: width = 3 pixel + 10% of height by default.)
- } CXTEXTINFO;
- #endif
- public:
- /** addtogroup Constructors */ //@{
- CxImage(DWORD imagetype = 0);
- CxImage(DWORD dwWidth, DWORD dwHeight, DWORD wBpp, DWORD imagetype = 0);
- CxImage(const CxImage &src, bool copypixels = true, bool copyselection = true, bool copyalpha = true);
- CxImage(const TCHAR * filename, DWORD imagetype); // For UNICODE support: char -> TCHAR
- CxImage(FILE * stream, DWORD imagetype);
- CxImage(CxFile * stream, DWORD imagetype);
- CxImage(BYTE * buffer, DWORD size, DWORD imagetype);
- virtual ~CxImage() { DestroyFrames(); Destroy(); };
- CxImage& operator = (const CxImage&);
- //@}
- /** addtogroup Initialization */ //@{
- void* Create(DWORD dwWidth, DWORD dwHeight, DWORD wBpp, DWORD imagetype = 0);
- bool Destroy();
- bool DestroyFrames();
- void Clear(BYTE bval=0);
- void Copy(const CxImage &src, bool copypixels = true, bool copyselection = true, bool copyalpha = true);
- bool Transfer(CxImage &from, bool bTransferFrames = true);
- bool CreateFromArray(BYTE* pArray,DWORD dwWidth,DWORD dwHeight,DWORD dwBitsperpixel, DWORD dwBytesperline, bool bFlipImage);
- bool CreateFromMatrix(BYTE** ppMatrix,DWORD dwWidth,DWORD dwHeight,DWORD dwBitsperpixel, DWORD dwBytesperline, bool bFlipImage);
- void FreeMemory(void* memblock);
- DWORD Dump(BYTE * dst);
- DWORD UnDump(const BYTE * src);
- DWORD DumpSize();
- //@}
- /** addtogroup Attributes */ //@{
- long GetSize();
- BYTE* GetBits(DWORD row = 0);
- BYTE GetColorType();
- void* GetDIB() const;
- DWORD GetHeight() const;
- DWORD GetWidth() const;
- DWORD GetEffWidth() const;
- DWORD GetNumColors() const;
- WORD GetBpp() const;
- DWORD GetType() const;
- const char* GetLastError();
- static const TCHAR* GetVersion();
- static const float GetVersionNumber();
- DWORD GetFrameDelay() const;
- void SetFrameDelay(DWORD d);
- void GetOffset(long *x,long *y);
- void SetOffset(long x,long y);
- BYTE GetJpegQuality() const;
- void SetJpegQuality(BYTE q);
- float GetJpegQualityF() const;
- void SetJpegQualityF(float q);
- BYTE GetJpegScale() const;
- void SetJpegScale(BYTE q);
- long GetXDPI() const;
- long GetYDPI() const;
- void SetXDPI(long dpi);
- void SetYDPI(long dpi);
- DWORD GetClrImportant() const;
- void SetClrImportant(DWORD ncolors = 0);
- long GetProgress() const;
- long GetEscape() const;
- void SetProgress(long p);
- void SetEscape(long i);
- long GetTransIndex() const;
- RGBQUAD GetTransColor();
- void SetTransIndex(long idx);
- void SetTransColor(RGBQUAD rgb);
- bool IsTransparent() const;
- DWORD GetCodecOption(DWORD imagetype = 0);
- bool SetCodecOption(DWORD opt, DWORD imagetype = 0);
- DWORD GetFlags() const;
- void SetFlags(DWORD flags, bool bLockReservedFlags = true);
- BYTE GetDisposalMethod() const;
- void SetDisposalMethod(BYTE dm);
- bool SetType(DWORD type);
- static DWORD GetNumTypes();
- static DWORD GetTypeIdFromName(const TCHAR* ext);
- static DWORD GetTypeIdFromIndex(const DWORD index);
- static DWORD GetTypeIndexFromId(const DWORD id);
- bool GetRetreiveAllFrames() const;
- void SetRetreiveAllFrames(bool flag);
- CxImage * GetFrame(long nFrame) const;
- //void* GetUserData() const {return info.pUserData;}
- //void SetUserData(void* pUserData) {info.pUserData = pUserData;}
- //@}
- /** addtogroup Palette
- * These functions have no effects on RGB images and in this case the returned value is always 0.
- * @{ */
- bool IsGrayScale();
- bool IsIndexed() const;
- bool IsSamePalette(CxImage &img, bool bCheckAlpha = true);
- DWORD GetPaletteSize();
- RGBQUAD* GetPalette() const;
- RGBQUAD GetPaletteColor(BYTE idx);
- bool GetPaletteColor(BYTE i, BYTE* r, BYTE* g, BYTE* b);
- BYTE GetNearestIndex(RGBQUAD c);
- void BlendPalette(COLORREF cr,long perc);
- void SetGrayPalette();
- void SetPalette(DWORD n, BYTE *r, BYTE *g, BYTE *b);
- void SetPalette(RGBQUAD* pPal,DWORD nColors=256);
- void SetPalette(rgb_color *rgb,DWORD nColors=256);
- void SetPaletteColor(BYTE idx, BYTE r, BYTE g, BYTE b, BYTE alpha=0);
- void SetPaletteColor(BYTE idx, RGBQUAD c);
- void SetPaletteColor(BYTE idx, COLORREF cr);
- void SwapIndex(BYTE idx1, BYTE idx2);
- void SwapRGB2BGR();
- void SetStdPalette();
- //@}
- /** addtogroup Pixel */ //@{
- bool IsInside(long x, long y);
- bool IsTransparent(long x,long y);
- bool GetTransparentMask(CxImage* iDst = 0);
- RGBQUAD GetPixelColor(long x,long y, bool bGetAlpha = true);
- BYTE GetPixelIndex(long x,long y);
- BYTE GetPixelGray(long x, long y);
- void SetPixelColor(long x,long y,RGBQUAD c, bool bSetAlpha = false);
- void SetPixelColor(long x,long y,COLORREF cr);
- void SetPixelIndex(long x,long y,BYTE i);
- void DrawLine(int StartX, int EndX, int StartY, int EndY, RGBQUAD color, bool bSetAlpha=false);
- void DrawLine(int StartX, int EndX, int StartY, int EndY, COLORREF cr);
- void BlendPixelColor(long x,long y,RGBQUAD c, float blend, bool bSetAlpha = false);
- //@}
- protected:
- /** addtogroup Protected */ //@{
- BYTE BlindGetPixelIndex(const long x,const long y);
- RGBQUAD BlindGetPixelColor(const long x,const long y, bool bGetAlpha = true);
- void *BlindGetPixelPointer(const long x,const long y);
- void BlindSetPixelColor(long x,long y,RGBQUAD c, bool bSetAlpha = false);
- void BlindSetPixelIndex(long x,long y,BYTE i);
- //@}
- public:
- #if CXIMAGE_SUPPORT_INTERPOLATION
- /** addtogroup Interpolation */ //@{
- //overflow methods:
- enum OverflowMethod {
- OM_COLOR=1,
- OM_BACKGROUND=2,
- OM_TRANSPARENT=3,
- OM_WRAP=4,
- OM_REPEAT=5,
- OM_MIRROR=6
- };
- void OverflowCoordinates(float &x, float &y, OverflowMethod const ofMethod);
- void OverflowCoordinates(long &x, long &y, OverflowMethod const ofMethod);
- RGBQUAD GetPixelColorWithOverflow(long x, long y, OverflowMethod const ofMethod=OM_BACKGROUND, RGBQUAD* const rplColor=0);
- //interpolation methods:
- enum InterpolationMethod {
- IM_NEAREST_NEIGHBOUR=1,
- IM_BILINEAR =2,
- IM_BSPLINE =3,
- IM_BICUBIC =4,
- IM_BICUBIC2 =5,
- IM_LANCZOS =6,
- IM_BOX =7,
- IM_HERMITE =8,
- IM_HAMMING =9,
- IM_SINC =10,
- IM_BLACKMAN =11,
- IM_BESSEL =12,
- IM_GAUSSIAN =13,
- IM_QUADRATIC =14,
- IM_MITCHELL =15,
- IM_CATROM =16,
- IM_HANNING =17,
- IM_POWER =18
- };
- RGBQUAD GetPixelColorInterpolated(float x,float y, InterpolationMethod const inMethod=IM_BILINEAR, OverflowMethod const ofMethod=OM_BACKGROUND, RGBQUAD* const rplColor=0);
- RGBQUAD GetAreaColorInterpolated(float const xc, float const yc, float const w, float const h, InterpolationMethod const inMethod, OverflowMethod const ofMethod=OM_BACKGROUND, RGBQUAD* const rplColor=0);
- //@}
- protected:
- /** addtogroup Protected */ //@{
- void AddAveragingCont(RGBQUAD const &color, float const surf, float &rr, float &gg, float &bb, float &aa);
- //@}
- /** addtogroup Kernels */ //@{
- public:
- static float KernelBSpline(const float x);
- static float KernelLinear(const float t);
- static float KernelCubic(const float t);
- static float KernelGeneralizedCubic(const float t, const float a=-1);
- static float KernelLanczosSinc(const float t, const float r = 3);
- static float KernelBox(const float x);
- static float KernelHermite(const float x);
- static float KernelHamming(const float x);
- static float KernelSinc(const float x);
- static float KernelBlackman(const float x);
- static float KernelBessel_J1(const float x);
- static float KernelBessel_P1(const float x);
- static float KernelBessel_Q1(const float x);
- static float KernelBessel_Order1(float x);
- static float KernelBessel(const float x);
- static float KernelGaussian(const float x);
- static float KernelQuadratic(const float x);
- static float KernelMitchell(const float x);
- static float KernelCatrom(const float x);
- static float KernelHanning(const float x);
- static float KernelPower(const float x, const float a = 2);
- //@}
- #endif //CXIMAGE_SUPPORT_INTERPOLATION
-
- /** addtogroup Painting */ //@{
- #if CXIMAGE_SUPPORT_WINDOWS
- long Blt(HDC pDC, long x=0, long y=0);
- HBITMAP MakeBitmap(HDC hdc = NULL);
- HANDLE CopyToHandle();
- bool CreateFromHANDLE(HANDLE hMem); //Windows objects (clipboard)
- bool CreateFromHBITMAP(HBITMAP hbmp, HPALETTE hpal=0); //Windows resource
- bool CreateFromHICON(HICON hico);
- long Draw(HDC hdc, long x=0, long y=0, long cx = -1, long cy = -1, RECT* pClipRect = 0, bool bSmooth = false);
- long Draw(HDC hdc, const RECT& rect, RECT* pClipRect=NULL, bool bSmooth = false);
- long Stretch(HDC hdc, long xoffset, long yoffset, long xsize, long ysize, DWORD dwRop = SRCCOPY);
- long Stretch(HDC hdc, const RECT& rect, DWORD dwRop = SRCCOPY);
- long Tile(HDC hdc, RECT *rc);
- long Draw2(HDC hdc, long x=0, long y=0, long cx = -1, long cy = -1);
- long Draw2(HDC hdc, const RECT& rect);
- //long DrawString(HDC hdc, long x, long y, const char* text, RGBQUAD color, const char* font, long lSize=0, long lWeight=400, BYTE bItalic=0, BYTE bUnderline=0, bool bSetAlpha=false);
- long DrawString(HDC hdc, long x, long y, const TCHAR* text, RGBQUAD color, const TCHAR* font, long lSize=0, long lWeight=400, BYTE bItalic=0, BYTE bUnderline=0, bool bSetAlpha=false);
- // <VATI> extensions
- long DrawStringEx(HDC hdc, long x, long y, CXTEXTINFO *pTextType, bool bSetAlpha=false );
- void InitTextInfo( CXTEXTINFO *txt );
- #endif //CXIMAGE_SUPPORT_WINDOWS
- //@}
- // file operations
- #if CXIMAGE_SUPPORT_DECODE
- /** addtogroup Decode */ //@{
- #ifdef WIN32
- //bool Load(LPCWSTR filename, DWORD imagetype=0);
- bool LoadResource(HRSRC hRes, DWORD imagetype, HMODULE hModule=NULL);
- #endif
- // For UNICODE support: char -> TCHAR
- bool Load(const TCHAR* filename, DWORD imagetype=0);
- //bool Load(const char * filename, DWORD imagetype=0);
- bool Decode(FILE * hFile, DWORD imagetype);
- bool Decode(CxFile * hFile, DWORD imagetype);
- bool Decode(BYTE * buffer, DWORD size, DWORD imagetype);
- bool CheckFormat(CxFile * hFile, DWORD imagetype = 0);
- bool CheckFormat(BYTE * buffer, DWORD size, DWORD imagetype = 0);
- //@}
- #endif //CXIMAGE_SUPPORT_DECODE
- #if CXIMAGE_SUPPORT_ENCODE
- protected:
- /** addtogroup Protected */ //@{
- bool EncodeSafeCheck(CxFile *hFile);
- //@}
- public:
- /** addtogroup Encode */ //@{
- #ifdef WIN32
- //bool Save(LPCWSTR filename, DWORD imagetype=0);
- #endif
- // For UNICODE support: char -> TCHAR
- bool Save(const TCHAR* filename, DWORD imagetype);
- //bool Save(const char * filename, DWORD imagetype=0);
- bool Encode(FILE * hFile, DWORD imagetype);
- bool Encode(CxFile * hFile, DWORD imagetype);
- bool Encode(CxFile * hFile, CxImage ** pImages, int pagecount, DWORD imagetype);
- bool Encode(FILE *hFile, CxImage ** pImages, int pagecount, DWORD imagetype);
- bool Encode(BYTE * &buffer, long &size, DWORD imagetype);
- bool Encode2RGBA(CxFile *hFile, bool bFlipY = false);
- bool Encode2RGBA(BYTE * &buffer, long &size, bool bFlipY = false);
- //@}
- #endif //CXIMAGE_SUPPORT_ENCODE
- /** addtogroup Attributes */ //@{
- //misc.
- bool IsValid() const;
- bool IsEnabled() const;
- void Enable(bool enable=true);
- // frame operations
- long GetNumFrames() const;
- long GetFrame() const;
- void SetFrame(long nFrame);
- //@}
- #if CXIMAGE_SUPPORT_BASICTRANSFORMATIONS
- /** addtogroup BasicTransformations */ //@{
- bool GrayScale();
- bool Flip(bool bFlipSelection = false, bool bFlipAlpha = true);
- bool Mirror(bool bMirrorSelection = false, bool bMirrorAlpha = true);
- bool Negative();
- bool RotateLeft(CxImage* iDst = NULL);
- bool RotateRight(CxImage* iDst = NULL);
- //@}
- #endif //CXIMAGE_SUPPORT_BASICTRANSFORMATIONS
- #if CXIMAGE_SUPPORT_TRANSFORMATION
- /** addtogroup Transformations */ //@{
- // image operations
- bool Rotate(float angle, CxImage* iDst = NULL);
- bool Rotate2(float angle, CxImage *iDst = NULL, InterpolationMethod inMethod=IM_BILINEAR,
- OverflowMethod ofMethod=OM_BACKGROUND, RGBQUAD *replColor=0,
- bool const optimizeRightAngles=true, bool const bKeepOriginalSize=false);
- bool Rotate180(CxImage* iDst = NULL);
- bool Resample(long newx, long newy, int mode = 1, CxImage* iDst = NULL);
- bool Resample2(long newx, long newy, InterpolationMethod const inMethod=IM_BICUBIC2,
- OverflowMethod const ofMethod=OM_REPEAT, CxImage* const iDst = NULL,
- bool const disableAveraging=false);
- bool DecreaseBpp(DWORD nbit, bool errordiffusion, RGBQUAD* ppal = 0, DWORD clrimportant = 0);
- bool IncreaseBpp(DWORD nbit);
- bool Dither(long method = 0);
- bool Crop(long left, long top, long right, long bottom, CxImage* iDst = NULL);
- bool Crop(const RECT& rect, CxImage* iDst = NULL);
- bool CropRotatedRectangle( long topx, long topy, long width, long height, float angle, CxImage* iDst = NULL);
- bool Skew(float xgain, float ygain, long xpivot=0, long ypivot=0, bool bEnableInterpolation = false);
- bool Expand(long left, long top, long right, long bottom, RGBQUAD canvascolor, CxImage* iDst = 0);
- bool Expand(long newx, long newy, RGBQUAD canvascolor, CxImage* iDst = 0);
- bool Thumbnail(long newx, long newy, RGBQUAD canvascolor, CxImage* iDst = 0);
- bool CircleTransform(int type,long rmax=0,float Koeff=1.0f);
- bool RedEyeRemove(float strength = 0.8f);
- bool QIShrink(long newx, long newy, CxImage* const iDst = NULL, bool bChangeBpp = false);
- //@}
- #endif //CXIMAGE_SUPPORT_TRANSFORMATION
- #if CXIMAGE_SUPPORT_DSP
- /** addtogroup DSP */ //@{
- bool Contour();
- bool HistogramStretch(long method = 0, double threshold = 0);
- bool HistogramEqualize();
- bool HistogramNormalize();
- bool HistogramRoot();
- bool HistogramLog();
- long Histogram(long* red, long* green = 0, long* blue = 0, long* gray = 0, long colorspace = 0);
- bool Jitter(long radius=2);
- bool Repair(float radius = 0.25f, long niterations = 1, long colorspace = 0);
- bool Combine(CxImage* r,CxImage* g,CxImage* b,CxImage* a, long colorspace = 0);
- bool FFT2(CxImage* srcReal, CxImage* srcImag, CxImage* dstReal, CxImage* dstImag, long direction = 1, bool bForceFFT = true, bool bMagnitude = true);
- bool Noise(long level);
- bool Median(long Ksize=3);
- bool Gamma(float gamma);
- bool GammaRGB(float gammaR, float gammaG, float gammaB);
- bool ShiftRGB(long r, long g, long b);
- bool Threshold(BYTE level);
- bool Threshold(CxImage* pThresholdMask);
- bool Threshold2(BYTE level, bool bDirection, RGBQUAD nBkgndColor, bool bSetAlpha = false);
- bool Colorize(BYTE hue, BYTE sat, float blend = 1.0f);
- bool Light(long brightness, long contrast = 0);
- float Mean();
- bool Filter(long* kernel, long Ksize, long Kfactor, long Koffset);
- bool Erode(long Ksize=2);
- bool Dilate(long Ksize=2);
- bool Edge(long Ksize=2);
- void HuePalette(float correction=1);
- enum ImageOpType { OpAdd, OpAnd, OpXor, OpOr, OpMask, OpSrcCopy, OpDstCopy, OpSub, OpSrcBlend, OpScreen, OpAvg };
- void Mix(CxImage & imgsrc2, ImageOpType op, long lXOffset = 0, long lYOffset = 0, bool bMixAlpha = false);
- void MixFrom(CxImage & imagesrc2, long lXOffset, long lYOffset);
- bool UnsharpMask(float radius = 5.0f, float amount = 0.5f, int threshold = 0);
- bool Lut(BYTE* pLut);
- bool Lut(BYTE* pLutR, BYTE* pLutG, BYTE* pLutB, BYTE* pLutA = 0);
- bool GaussianBlur(float radius = 1.0f, CxImage* iDst = 0);
- bool TextBlur(BYTE threshold = 100, BYTE decay = 2, BYTE max_depth = 5, bool bBlurHorizontal = true, bool bBlurVertical = true, CxImage* iDst = 0);
- bool SelectiveBlur(float radius = 1.0f, BYTE threshold = 25, CxImage* iDst = 0);
- bool Solarize(BYTE level = 128, bool bLinkedChannels = true);
- bool FloodFill(const long xStart, const long yStart, const RGBQUAD cFillColor, const BYTE tolerance = 0,
- BYTE nOpacity = 255, const bool bSelectFilledArea = false, const BYTE nSelectionLevel = 255);
- bool Saturate(const long saturation, const long colorspace = 1);
- bool ConvertColorSpace(const long dstColorSpace, const long srcColorSpace);
- int OptimalThreshold(long method = 0, RECT * pBox = 0, CxImage* pContrastMask = 0);
- bool AdaptiveThreshold(long method = 0, long nBoxSize = 64, CxImage* pContrastMask = 0, long nBias = 0, float fGlobalLocalBalance = 0.5f);
- //@}
- protected:
- /** addtogroup Protected */ //@{
- bool IsPowerof2(long x);
- bool FFT(int dir,int m,double *x,double *y);
- bool DFT(int dir,long m,double *x1,double *y1,double *x2,double *y2);
- bool RepairChannel(CxImage *ch, float radius);
- // <nipper>
- int gen_convolve_matrix (float radius, float **cmatrix_p);
- float* gen_lookup_table (float *cmatrix, int cmatrix_length);
- void blur_line (float *ctable, float *cmatrix, int cmatrix_length, BYTE* cur_col, BYTE* dest_col, int y, long bytes);
- void blur_text (BYTE threshold, BYTE decay, BYTE max_depth, CxImage* iSrc, CxImage* iDst, BYTE bytes);
- //@}
- public:
- /** addtogroup ColorSpace */ //@{
- bool SplitRGB(CxImage* r,CxImage* g,CxImage* b);
- bool SplitYUV(CxImage* y,CxImage* u,CxImage* v);
- bool SplitHSL(CxImage* h,CxImage* s,CxImage* l);
- bool SplitYIQ(CxImage* y,CxImage* i,CxImage* q);
- bool SplitXYZ(CxImage* x,CxImage* y,CxImage* z);
- bool SplitCMYK(CxImage* c,CxImage* m,CxImage* y,CxImage* k);
- static RGBQUAD HSLtoRGB(COLORREF cHSLColor);
- static RGBQUAD RGBtoHSL(RGBQUAD lRGBColor);
- static RGBQUAD HSLtoRGB(RGBQUAD lHSLColor);
- static RGBQUAD YUVtoRGB(RGBQUAD lYUVColor);
- static RGBQUAD RGBtoYUV(RGBQUAD lRGBColor);
- static RGBQUAD YIQtoRGB(RGBQUAD lYIQColor);
- static RGBQUAD RGBtoYIQ(RGBQUAD lRGBColor);
- static RGBQUAD XYZtoRGB(RGBQUAD lXYZColor);
- static RGBQUAD RGBtoXYZ(RGBQUAD lRGBColor);
- #endif //CXIMAGE_SUPPORT_DSP
- static RGBQUAD RGBtoRGBQUAD(COLORREF cr);
- static COLORREF RGBQUADtoRGB (RGBQUAD c);
- //@}
- #if CXIMAGE_SUPPORT_SELECTION
- /** addtogroup Selection */ //@{
- bool SelectionClear(BYTE level = 0);
- bool SelectionCreate();
- bool SelectionDelete();
- bool SelectionInvert();
- bool SelectionMirror();
- bool SelectionFlip();
- bool SelectionAddRect(RECT r, BYTE level = 255);
- bool SelectionAddEllipse(RECT r, BYTE level = 255);
- bool SelectionAddPolygon(POINT *points, long npoints, BYTE level = 255);
- bool SelectionAddColor(RGBQUAD c, BYTE level = 255);
- bool SelectionAddPixel(long x, long y, BYTE level = 255);
- bool SelectionCopy(CxImage &from);
- bool SelectionIsInside(long x, long y);
- bool SelectionIsValid();
- void SelectionGetBox(RECT& r);
- bool SelectionToHRGN(HRGN& region);
- bool SelectionSplit(CxImage *dest);
- BYTE SelectionGet(const long x,const long y);
- bool SelectionSet(CxImage &from);
- void SelectionRebuildBox();
- BYTE* SelectionGetPointer(const long x = 0,const long y = 0);
- //@}
- protected:
- /** addtogroup Protected */ //@{
- bool BlindSelectionIsInside(long x, long y);
- BYTE BlindSelectionGet(const long x,const long y);
- void SelectionSet(const long x,const long y,const BYTE level);
- //@}
- public:
- #endif //CXIMAGE_SUPPORT_SELECTION
- #if CXIMAGE_SUPPORT_ALPHA
- /** addtogroup Alpha */ //@{
- void AlphaClear();
- bool AlphaCreate();
- void AlphaDelete();
- void AlphaInvert();
- bool AlphaMirror();
- bool AlphaFlip();
- bool AlphaCopy(CxImage &from);
- bool AlphaSplit(CxImage *dest);
- void AlphaStrip();
- void AlphaSet(BYTE level);
- bool AlphaSet(CxImage &from);
- void AlphaSet(const long x,const long y,const BYTE level);
- BYTE AlphaGet(const long x,const long y);
- BYTE AlphaGetMax() const;
- void AlphaSetMax(BYTE nAlphaMax);
- bool AlphaIsValid();
- BYTE* AlphaGetPointer(const long x = 0,const long y = 0);
- bool AlphaFromTransparency();
- void AlphaPaletteClear();
- void AlphaPaletteEnable(bool enable=true);
- bool AlphaPaletteIsEnabled();
- bool AlphaPaletteIsValid();
- bool AlphaPaletteSplit(CxImage *dest);
- //@}
- protected:
- /** addtogroup Protected */ //@{
- BYTE BlindAlphaGet(const long x,const long y);
- //@}
- #endif //CXIMAGE_SUPPORT_ALPHA
- public:
- #if CXIMAGE_SUPPORT_LAYERS
- /** addtogroup Layers */ //@{
- bool LayerCreate(long position = -1);
- bool LayerDelete(long position = -1);
- void LayerDeleteAll();
- CxImage* GetLayer(long position);
- CxImage* GetParent() const;
- long GetNumLayers() const;
- long LayerDrawAll(HDC hdc, long x=0, long y=0, long cx = -1, long cy = -1, RECT* pClipRect = 0, bool bSmooth = false);
- long LayerDrawAll(HDC hdc, const RECT& rect, RECT* pClipRect=NULL, bool bSmooth = false);
- //@}
- #endif //CXIMAGE_SUPPORT_LAYERS
- protected:
- /** addtogroup Protected */ //@{
- void Startup(DWORD imagetype = 0);
- void CopyInfo(const CxImage &src);
- void Ghost(const CxImage *src);
- void RGBtoBGR(BYTE *buffer, int length);
- static float HueToRGB(float n1,float n2, float hue);
- void Bitfield2RGB(BYTE *src, DWORD redmask, DWORD greenmask, DWORD bluemask, BYTE bpp);
- static int CompareColors(const void *elem1, const void *elem2);
- short ntohs(const short word);
- long ntohl(const long dword);
- void bihtoh(BITMAPINFOHEADER* bih);
- void* pDib; //contains the header, the palette, the pixels
- BITMAPINFOHEADER head; //standard header
- CXIMAGEINFO info; //extended information
- BYTE* pSelection; //selected region
- BYTE* pAlpha; //alpha channel
- CxImage** ppLayers; //generic layers
- CxImage** ppFrames;
- //@}
- };
- ////////////////////////////////////////////////////////////////////////////
- #endif // !defined(__CXIMAGE_H)