函数名: getcolor

功 能: 返回当前画线颜色

用 法: int far getcolor(void);

程序例:

#include

#include

#include

#include

#include

int main(void)

{

/* request auto detection */

int gdriver = DETECT, gmode, errorcode;

int color, midx, midy;

char colname[35];

/* initialize graphics and local variables */

initgraph(&gdriver, &gmode, "");

/* read result of initialization */

errorcode = graphresult();

/* an error occurred */

if (errorcode != grOk)

{

printf("Graphics error: %s\",

grapherrormsg(errorcode));

printf("Press any key to halt:");

getch();

/* terminate with an error code */

exit(1);

}

midx = getmaxx() / 2;

midy = getmaxy() / 2;

setcolor(getmaxcolor());

/* for centering text on the display */

settextjustify(CENTER_TEXT, CENTER_TEXT);

/* get the current drawing color */

color = getcolor();

/* convert color value into a string */

itoa(color, colname, 10);

strcat(colname,

" is the current drawing color.");

/* display a message */

outtextxy(midx, midy, colname);

/* clean up */

getch();

closegraph();

return 0;

}