#include "stdio.h"
#include "graphics.h"
#include "alloc.h"
#include "stdlib.h"
#include "math.h"
typedef struct tagBITMAPFILEHEADER
{
unsigned int bfType;
unsigned long bfSize;
unsigned int bfReserved1;
unsigned int bfReserved2;
unsigned long bfOffBits;
}BITMAPFILEHEADER;
typedef struct tagBITMAPINFOHEADER
{
unsigned long biSize;
long biWidth;
long biHeight;
unsigned int biPanes;
unsigned int biBitCount;
unsigned long biCompression;
unsigned long biSizeImage;
long biXPelsPerMeter;
long biYPelsPerMeter;
unsigned long biClrUsed;
unsigned long biClrImportant;
}BITMAPINFOHEADER;
typedef struct tagRGBQUAD
{
unsigned char rgbBlue;
unsigned char rgbGreen;
unsigned char rgbRed;
unsigned char rgbReserved;
}RGBQUAD;
typedef struct tagBITMAPINFO
{
BITMAPINFOHEADER bmiHeader;
RGBQUAD bmiColors[];
}BITMAPINFO;
int xmax;
int ymax;
void InitGraph()
{
int mod=EGA;
int dr=EGAHI;
initgraph(&mod,&dr,"");
xmax=getmaxx();
ymax=getmaxy();
}
void CloseGraph()
{
closegraph();
}
void Exit(char *ErrorCode)
{
printf("%s",ErrorCode);
getch();
exit(0);
}
long WidthBytes(long Width,int BitCount)
{
long WBytes;
WBytes=(Width*BitCount+31)/8;
WBytes=WBytes/4*4;
return WBytes;
}
unsigned char SetPalette(int Colors,unsigned char data)
{
switch(Colors)
{
case 16:
switch(data)
{
case 1:
return 4;
case 4:
return 1;
case 3:
return 6;
case 6:
return 3;
case 9:
return 12;
case 12:
return 9;
case 11:
return 14;
case 14:
return 11;
default:
return data;
}
case 2:
if(data==1)
return 15;
else
return 0;
}
}
