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词条 pieslice
释义

函数名: pieslice

功 能: 绘制并填充一个扇形

用 法: void far pieslice(int x, int stanle, int endangle, int radius);

程序例:

#include <graphics.h>

#include <stdlib.h>

#include <stdio.h>

#include <conio.h>

int main(void)

{

/* request auto detection */

int gdriver = DETECT, gmode, errorcode;

int midx, midy;

int stangle = 45, endangle = 135, radius = 100;

/* initialize graphics and local variables */

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

/* read result of initialization */

errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\", grapherrormsg(errorcode));

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

getch();

exit(1); /* terminate with an error code */

}

midx = getmaxx() / 2;

midy = getmaxy() / 2;

/* set fill style and draw a pie slice */

setfillstyle(EMPTY_FILL, getmaxcolor());

pieslice(midx, midy, stangle, endangle, radius);

/* clean up */

getch();

closegraph();

return 0;

}

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更新时间:2025/2/21 5:10:08