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863天前#include <graphics.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <conio.h> |
int main(void) |
{ |
/* request auto detection */ |
int gdriver = DETECT, gmode, errorcode; |
struct palettetype pal; |
char psize[80], pval[20]; |
int i, ht; |
int y = 10; |
/* initialize graphics and local variables */ |
initgraph(&gdriver, &gmode, ""); |
/* read result of initialization */ |
errorcode = graphresult(); |
/* an error occurred */ |
if (errorcode != grOk) |
{ |
printf("Graphics error: %s\n", |
grapherrormsg(errorcode)); |
printf("Press any key to halt:"); |
getch(); |
/* terminate with an error code */ |
exit(1); |
} |
/* grab a copy of the palette */ |
getpalette(&pal); |
/* convert palette info. into strings */ |
sprintf(psize, "The palette has %d \ |
modifiable entries.", pal.size); |
/* display the information */ |
outtextxy(0, y, psize); |
if (pal.size != 0) |
{ |
ht = textheight("W"); |
y += 2*ht; |
outtextxy(0, y, "Here are the current \ |
values:"); |
y += 2*ht; |
for (i=0; i<pal.size; i++, y+=ht) |
{ |
sprintf(pval, |
"palette[%02d]: 0x%02X", i, |
pal.colors[i]); |
outtextxy(0, y, pval); |
} |
} |
/* clean up */ |
getch(); |
closegraph(); |
return 0; |
} |
