?? gl.h
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#ifndef __GRAPHIC_LIB
#define __GRAPHIC_LIB
//#include <crtdbg.h>
//#include <stdio.h>
#include <afx.h>
struct ScreenInfo{
DWORD width;
DWORD height;
DWORD colorDepth;
};
// screenInfo defined in bitmap.cpp
extern ScreenInfo screenInfo; //set by ddraw.cpp
//用于從像素中取得顏色分量
extern DWORD colorMask[6];
//用于alpha,beta非MMX計算,rbMask取紅藍,gMask取綠(cloudwu算法)
extern DWORD rbMask, gMask;
struct PixelInfo{
int colorRedMask;
int colorRedPos;
int redMask;
int redPos;
int colorGreenMask;
int colorGreenPos;
int greenMask;
int greenPos;
int colorBlueMask;
int colorBluePos;
int blueMask;
int bluePos;
};
extern PixelInfo pixelInfo16, pixelInfo15, pixelInfo24, pixelInfo32;
//
int InitGraphicLibrary( int colorDepth );
/////////////////////////////////////////////////////////////////////
// 調色板
#define PAL_SIZE 256
typedef int RGB;
struct ColorEntry{
union{
struct{
BYTE rgbBlue;
BYTE rgbGreen;
BYTE rgbRed;
BYTE rgbRsvd ;
};
DWORD rgb;
};
};
struct Palette{
int count;
ColorEntry palette[ PAL_SIZE ];
int screenPal[ PAL_SIZE ]; // convert to current pixel mode
Palette();
void AddRef( void );
void Release( void );
void Convert( void );
void Destroy( void );
void WriteToDisk( FILE *fp, int num = PAL_SIZE );
void ReadFromDisk( FILE *fp, int num = PAL_SIZE );
};
/////////////////////////////////////////////////////////////////////
// 內存位圖及其操作函數
#define BYTES_PER_PIXEL( a ) (( a + 7 ) >> 3 )
#define COLOR_INDEX( c ) ( c & 0x80000000 )
#define COLORKEY8 0
#define COLORKEY15 0x7c1f
#define COLORKEY16 0xf81f
#define COLORKEY24 0xff00ff
#define COLORKEY32 0xff00ff
class Bitmap;
class Bitmap15;
class Bitmap16;
Bitmap* CreateBitmap( int w, int h );
Bitmap* CreateBitmapEx( int w, int h, int colorDepth );
Bitmap* LoadBmp( char *filename, Palette *pal );
Bitmap* LoadTga( char *filename, Palette *pal );
Bitmap* LoadPicture( char* filename, int convert = 1, Palette* pal = NULL );
int SaveTga( char *filename, Bitmap *bmp );
class Bitmap{
public:
static int drawMode; // solid, xor, blend ( not support pattern )
static int alpha;
enum{
SolidMode = 0x1,
XorMode = 0x2,
AlphaMode = 0x4,
BetaMode = 0x8
};
int width, height;
int colorDepth;
int clip; // true or false
int cl, ct, cr, cb; //clip rectangle
void* dat; //data area
/* int id; //ID
int dx, dy; // for sub bitmap
*/ char** line; // line addresses
int color; // current color
int colorKey; // SOURCE and TARGET color key
int pitch; // the scanline length in dat ( the same as directdraw )
//( may be larger than actual length for alignment purpose )
// functions
Bitmap();
int GetClip(){
return clip;
};
void SetClip( int l, int t, int r, int b );
void SetClip( int enable );
void SetDrawMode( int drawmode, int alpha );
virtual Bitmap* ConvertFormat( int ) = 0;
virtual int MakeColor( RGB color ) = 0;
virtual void SetColor( RGB color ) = 0;
virtual void SetColorKey( RGB color ) = 0;
// color = 0x00rrggbb ( 15,16,24,32 ) / 0x800000cc ( 8bit color )
virtual DWORD GetPixel( int x, int y ) = 0;
virtual void PutPixel( int x, int y ) = 0;
virtual void Blit( Bitmap* dest, int dx, int dy, int sx, int sy, int w, int h ) = 0;
virtual void BlitMask( Bitmap* dest, int dx, int dy, int sx, int sy, int w, int h ) = 0;
virtual void Clear( int l, int t, int w, int h, int color = COLORKEY16 ) = 0;
};
// supports 8 bits color mode
class Bitmap8 : public Bitmap{
public:
Palette *palette;
~Bitmap8();
virtual void Blit( Bitmap* dest, int dx, int dy, int sx, int sy, int w, int h );
virtual void BlitInside8( int x, int y, int sx, int sy, int w, int h );
virtual void BlitOutside8( Bitmap8* dest, int x, int y, int sx, int sy, int w, int h );
virtual void BlitMask( Bitmap* dest, int x, int y, int sx, int sy, int w, int h );
virtual void BlitMasked8( Bitmap8* dest, int x, int y, int sx, int sy, int w, int h );
virtual void BlitMaskedTo16( Bitmap16* dest, int x, int y, int sx, int sy, int w, int h );
virtual void Clear( int l, int t, int w, int h, int color = COLORKEY8 );
virtual Bitmap* ConvertFormat( int );
virtual DWORD GetPixel( int x, int y );
virtual void PutPixel( int x, int y );
inline virtual int MakeColor( RGB color ){
return 0;
};
inline virtual int GetR( int pixel ){
return 0;
};
inline virtual int GetG( int pixel ){
return 0;
};
inline virtual int GetB( int pixel ){
return 0;
};
virtual void SetColor( RGB color );
virtual void SetColorKey( RGB color );
};
// 15/16位色位圖的基類
class BitmapHi : public Bitmap{
public:
virtual void Blit( Bitmap* dest, int dx, int dy, int sx, int sy, int w, int h );
virtual void BlitMask( Bitmap* dest, int x, int y, int sx, int sy, int w, int h );
virtual void Clear( int l, int t, int w, int h, int color = COLORKEY16 );
// 輔助函數
virtual void BlitMasked( Bitmap* dest, int x, int y, int sx, int sy, int w, int h );
virtual void BlitInside( int x, int y, int sx, int sy, int w, int h );
virtual void BlitOutside( Bitmap* dest, int x, int y, int sx, int sy, int w, int h );
BitmapHi();
~BitmapHi();
virtual Bitmap* ConvertFormat( int ) = 0;
virtual DWORD GetPixel( int x, int y );
virtual void PutPixel( int x, int y );
virtual int MakeColor( RGB color ) = 0;
// set current draw color
inline virtual void SetColor( RGB color )
{
Bitmap::color = MakeColor( color );
};
// set color key
inline virtual void SetColorKey( RGB color ){
colorKey = MakeColor( color );
};
};
// 565模式的位圖
class Bitmap16 : public BitmapHi{
public:
virtual Bitmap* ConvertFormat( int );
inline virtual int MakeColor( RGB color )
{
return (((color & 0xf80000)>>8 ) | (color & 0xfc00)>>5 | (color&0xf8)>>3);
};
};
// 555模式的位圖
class Bitmap15 : public BitmapHi{
public:
virtual Bitmap* ConvertFormat( int );
inline virtual int MakeColor( RGB color )
{
return (((color & 0xf80000)>>9 ) | (color & 0xf800)>>5 | (color&0xf8)>>3);
};
};
// supports 24 bits color mode
class Bitmap24 : public Bitmap{
public:
virtual void Blit( Bitmap* dest, int dx, int dy, int sx, int sy, int w, int h );
void BlitInside24( int x, int y, int sx, int sy, int w, int h );
void BlitOutside24( Bitmap24* dest, int x, int y, int sx, int sy, int w, int h );
virtual void BlitMask( Bitmap* dest, int x, int y, int sx, int sy, int w, int h );
void BlitMasked24( Bitmap24* dest, int x, int y, int sx, int sy, int w, int h );
virtual void Clear( int l, int t, int w, int h, int color );
virtual Bitmap* ConvertFormat( int );
virtual DWORD GetPixel( int x, int y );
virtual void PutPixel( int x, int y );
virtual void SetColor( int color );
virtual void SetColorKey( int color );
inline virtual int MakeColor( RGB color ){
return ( color & 0xffffff );
};
inline virtual int GetR( int pixel ){
return (( pixel >> 16 ) & 0xff );
};
inline virtual int GetG( int pixel ){
return (( pixel >> 8 ) & 0xff );
};
inline virtual int GetB( int pixel ){
return ( pixel & 0xff );
};
};
// supports 32 bits color mode
class Bitmap32 : public Bitmap{
public:
virtual void Blit( Bitmap* dest, int dx, int dy, int sx, int sy, int w, int h );
void BlitInside32( int x, int y, int sx, int sy, int w, int h );
void BlitOutside32( Bitmap32* dest, int x, int y, int sx, int sy, int w, int h );
virtual void BlitMask( Bitmap* dest, int x, int y, int sx, int sy, int w, int h );
void BlitMasked32( Bitmap32* dest, int x, int y, int sx, int sy, int w, int h );
virtual Bitmap* ConvertFormat( int );
virtual void Clear( int l, int t, int w, int h, int color );
virtual DWORD GetPixel( int x, int y );
virtual void PutPixel( int x, int y );
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