setpalette是一款用于改变调色板的颜色的函数。
函数名:SetPalette
功 能: 改变调色板的颜色
用 法: void far setpalette(int index, int actural_color);
程序例:
#include
#include
#include
int main(void)
{
/* request auto detection */
int gdriver = DETECT, gmode, errorcode;
int color, maxcolor, ht;
int y = 10;
char msg[80];
/* initialize graphics and local variables */
/* read result of initialization */
errorcode = graphresult();
if (errorcode != grOk) /* an error occurred */
{
getch();
exit(1); /* terminate with an error code */
}
maxcolor = getmaxcolor();
/* display the default colors */
for (color=1; color<=maxcolor; color++)
{
setcolor(color);
outtextxy(1, y, msg);
y += ht;
}
/* wait for a key */
getch();
/* black out the colors one by one */
for (color=1; color<=maxcolor; color++)
{
setpalette(color, BLACK);
getch();
}
/* clean up */
closegraph();
return 0;
}