www.pudn.com > MapDB.rar > ImageObject.h

// ImageObject.h 
 
#ifndef __IMAGEOBJECT_H__ 
#define __IMAGEOBJECT_H__ 
 
#include "Errors.h" 
#include "ImageLoad.h" 
 
#define POPULARITY_PALETTE 0 
#define MEDIAN_CUT_PALETTE 1 
#define FIXED_PALETTE 2 
#ifdef _DEBUG 
#pragma comment(lib, "imageobjectd.lib") 
#else 
#pragma comment(lib, "imageobject.lib") 
#endif 
#pragma comment(lib, "imageload.lib") 
 
#pragma pack(1) 
typedef struct{ 
	unsigned short m_nBlueList[256]; 
} GREENLIST; 
 
typedef struct{ 
	GREENLIST *m_pGreenList[256]; 
} REDLIST; 
 
typedef struct{ 
	unsigned short nCount; 
	unsigned char ucRed; 
	unsigned char ucGreen; 
	unsigned char ucBlue; 
} COUNTLIST; 
#pragma pack() 
 
#define GETRGB555( a, b, c, d ) { WORD *wData = (WORD *) d; a = (unsigned char) ( ( (*wData) & 0x7c00 ) >> 7 ); b = (unsigned char) ( ( (*wData) & 0x03e0 ) >> 2 ); c = (unsigned char) ( ( (*wData) & 0x001f ) << 3 ); } 
#define GETRGB565( a, b, c, d ) { WORD *wData = (WORD *) d; a = (unsigned char) ( ( (*wData) & 0xf800 ) >> 8 ); b = (unsigned char) ( ( (*wData) & 0x07e0 ) >> 3 ); c = (unsigned char) ( ( (*wData) & 0x001f ) << 3 ); } 
#define GETRGB888( a, b, c, d ) { DWORD *dwData = (DWORD *) d; a = (unsigned char) ( (*dwData) >> 16 ); b = (unsigned char) ( ( (*dwData) & 0x0000ff00 ) >> 8 ); c = (unsigned char) ( (*dwData) & 0x000000ff ); } 
#define PUTRGB555( a, b, c, d ) { WORD *wData = (WORD *) d; *wData = ( ( ( (WORD) a & 0x00f8 ) << 7 ) | ( ( (WORD) b & 0x00f8 ) << 2 ) | ( (WORD) c >> 3 ) ); } 
#define PUTRGB565( a, b, c, d ) { WORD *wData = (WORD *) d; *wData = ( ( ( (WORD) a & 0x00f8 ) << 8 ) | ( ( (WORD) b & 0x00fc ) << 3 ) | ( (WORD) c >> 3 ) ); } 
#define PUTRGB888( a, b, c, d ) { DWORD *dwData = (DWORD *) d; *dwData = ( (DWORD) a << 16 ) | ( (DWORD) b << 8 ) | (DWORD) c; } 
 
#define _RGB(r,g,b) (WORD)(((b)&~7)<<7)|(((g)&~7)<<2)|((r)>>3) 
 
class CImageObject 
{ 
 
public: 
	CImageObject(); 
	CImageObject( const char *, CDC *pDC = NULL, int nX = -1, int nY = -1 ); 
	~CImageObject(); 
 
	BOOL Load( const char *, CDC *pDC = NULL, int nX = -1, int nY = -1 ); 
	int GetLastError( void ); 
	BOOL Save( const char *, int nType = -1 ); 
	int GetWidth( void ); 
	int GetHeight( void ); 
	int GetNumBits( void ); 
	int GetNumColors( void ); 
	BOOL GetPaletteData( RGBQUAD * ); 
	RGBQUAD *GetPaletteData( void ); 
	int GetImageType( const char * ); 
	int GetImageType( void ); 
	BOOL GetImageInfo( const char *, int *pnWidth = NULL, 
		int *pnHeight = NULL, int *pnPlanes = NULL, 
		int *pnBitsPerPixel = NULL, int *pnNumColors = NULL ); 
	BOOL Draw( CDC *, int x = -1, int y = -1 ); 
	BOOL SetPalette( CDC * ); 
	void SetPaletteCreationType( int ); 
	int GetPaletteCreationType( void ); 
 
	BOOL IsLoaded( void ); 
	int ExtensionIndex( const char * ); 
 
	BOOL Crop( int, int, int, int ); 
	BOOL Stretch( int, int ); 
	BOOL Rotate( int ); 
	BOOL Invert( void ); 
	BOOL Reverse( void ); 
	BOOL RotateIt( int ); 
	void Rotate90( unsigned char *, unsigned char * ); 
	void Rotate270( unsigned char *, unsigned char * ); 
	BOOL ChangeFormat( int ); 
 
	int GetPaletteBytes( void ); 
	HGLOBAL GetDib( void ); 
	CPalette *GetPalette( void ); 
 
	void operator= (const CImageObject &ImageObject); 
	void NormalizeCoordinates( int *, int *, int *, int *, BOOL *bCompleteImage = NULL, BOOL *bLessThanHalf = NULL ); 
	void *GetDIBPointer( int *nWidthBytes = NULL, int nNewBits = 0, int *nNewWidthBytes = NULL, int nNewWidth = -1 ); 
	LOGPALETTE *GetLogPal( void ); 
	LOGPALETTE *CreateLogPalette( RGBQUAD *Palette, int NumColors ); 
	int GetNearestIndex( unsigned char, unsigned char, unsigned char, RGBQUAD *, int ); 
 
	void SetQuality( int nQual ){ m_nQuality = nQual; } 
 
	static char *szExtensions[7]; 
	int m_nLastError; 
	int m_nScreenPlanes, m_nScreenBits, m_nPaletteBytes; 
	void ProcessPalette( void ); 
	int WidthBytes( int, int ); 
	void SetDib( HGLOBAL hDib ){ m_hDib = hDib; } 
	void SetLogPal( LOGPALETTE *pLogPal ){ m_pLogPal = pLogPal; } 
 
protected: 
	void InitVars( BOOL bFlag = FALSE ); 
	void ProcessImageHeader( void ); 
	void KillImage( void ); 
	void CreatePaletteFromDIB( RGBQUAD *, int ); 
	LOGPALETTE *CreatePaletteFromBitmap( int, unsigned char *, int, int, int ); 
 
	RGBQUAD *MakePopularityPalette( int, unsigned char *, int, int, int ); 
	RGBQUAD *MakeMedianCutPalette( int, unsigned char *, int, int, int ); 
	RGBQUAD *MakeFixedPalette( int ); 
 
	int m_nWidth, m_nHeight, m_nPlanes, m_nBits, m_nColors, m_nImageType; 
	int m_nX, m_nY; 
	int m_nQuality; 
	int m_nPaletteCreationType; 
	CPalette m_Palette; 
	HGLOBAL m_hDib; 
	char *m_pszFilename; 
	LOGPALETTE *m_pLogPal; 
 
 
}; 
 
#endif