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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