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/*?Svga64k.bgi?測試文件?*/

#include?"graphics.h"

#include?"Svga256.h"

#include?"stdio.h"

#include?"fcntl.h"

#include?"malloc.h"

#include?"io.h"

int?huge?Return_SVGA256(void)

{

return(SVGA320x200x256);?/*?返回各種分辨率的對應編號?0～6?宏定義參見?Svga256.h?*/

}

void?main()

{int?width,height,i=DETECT,j=0,x0,y0,fp,x_x;

unsigned?char?fix,*buffer,pix24b[4];

DacPalette256?dac256;

installuserdriver("Svga256",Return_SVGA256);/*?對于svga256必需執行該函數以安裝BGI驅動?*/

initgraph(&i,&j,"");/*?執行TC默認的BGI初始化函數?*/

for(x_x=0;x_x<76;x_x++){

if(x_x=1)

{

if((fp=open("xy_256.bmp",O_RDONLY|O_BINARY))==-1)

{

puts("Can't?find?file?""xy_256.bmp"".");

exit(1);

}

}

else

if(x_x=2){

if((fp=open("xy_2561.bmp",O_RDONLY|O_BINARY))==-1)

{

puts("Can't?find?file?""xy_256.bmp"".");

exit(1);

}

}

else

if(x_x=3){

if((fp=open("xy_2562.bmp",O_RDONLY|O_BINARY))==-1)

{

puts("Can't?find?file?""xy_256.bmp"".");

exit(1);

}

}

else

if(x_x=4){

if((fp=open("xy_2563.bmp",O_RDONLY|O_BINARY))==-1)

{

puts("Can't?find?file?""xy_256.bmp"".");

exit(1);

}

}

else

if(x_x=5){

if((fp=open("xy_2564.bmp",O_RDONLY|O_BINARY))==-1)

{

puts("Can't?find?file?""xy_256.bmp"".");

exit(1);

}

}

else

if(x_x=6){

if((fp=open("xy_2565.bmp",O_RDONLY|O_BINARY))==-1)

{

puts("Can't?find?file?""xy_256.bmp"".");

exit(1);

}

}

lseek(fp,18,SEEK_SET);

read(fp,&width,4);

read(fp,&height,4);

fix=(width%4)?(4-width%4):0;

x0=(320-width)/2;y0=(200-height)/2;

lseek(fp,54,SEEK_SET);

for(i=0;i<256;i++)?/*?按照該圖片的DAC色表設置色彩寄存器?*/

{read(fp,pix24b,4);?/*?讀取DAC分量信息?*/

dac256[i][0]=pix24b[2]>>2;dac256[i][1]=pix24b[1]>>2;dac256[i][2]=pix24b[0]>>2;?/*?設置調色板?*/

}

setvgapalette256(&dac256);?/*?應用調色板,?定義參見?Svga256.h?*/

buffer=(unsigned?char?*)malloc(width);

for(j=height-1;j>=0;j--)

{read(fp,buffer,width);

lseek(fp,fix,SEEK_CUR);

for(i=0;i

putpixel(x0+i,y0+j,buffer[i]);

}

free(buffer);

close(fp);

}

getch();

closegraph();

}