| C语言库函数(B类字母) |
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| 作者:未知 文章来源:网络收集 点击数: 更新时间:2006-3-29 15:22:23
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函数名: bar 功 能: 画一个二维条形图 用 法: void far bar(int left, int top, int right, int bottom); 程序例: #include #include #include #include
int main(void) { /* request auto detection */ int gdriver = DETECT, gmode, errorcode; int midx, midy, i;
/* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "");
/* read result of initialization */ errorcode = graphresult(); if (errorcode != grOk) /* an error occurred */ { printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:"); getch(); exit(1); /* terminate with an error code */ }
midx = getmaxx() / 2; midy = getmaxy() / 2;
/* loop through the fill patterns */ for (i=SOLID_FILL; i{ /* set the fill style */ setfillstyle(i, getmaxcolor());
/* draw the bar */ bar(midx-50, midy-50, midx+50, midy+50);
getch(); }
/* clean up */ closegraph(); return 0; }
函数名: bar3d 功 能: 画一个三维条形图 用 法: void far bar3d(int left, int top, int right, int bottom, int depth, int topflag); 程序例:
#include #include #include #include
int main(void) { /* request auto detection */ int gdriver = DETECT, gmode, errorcode; int midx, midy, i;
/* initialize graphics, local variables */ initgraph(&gdriver, &gmode, "");
/* read result of initialization */ errorcode = graphresult(); if (errorcode != grOk) /* an error occurred */ { printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:"); getch(); exit(1); /* terminate with error code */ }
midx = getmaxx() / 2; midy = getmaxy() / 2;
/* loop through the fill pa[1] [2] [3] [4] [5] [6] 下一页
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