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bar3d

By Kevin Simpson,2014-08-27 18:39
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bar3d

函数名: bar3d

     : 画一个三维条形图

     : #include <graphics.h>

     void far bar3d(int left, int top, int right, int bottom, int

    depth, int topflag);

    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, 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 patterns */

     for (i=EMPTY_FILL; i<USER_FILL; i++)

     {

     /* set the fill style */

     setfillstyle(i, getmaxcolor());

     /* draw the 3-d bar */

     bar3d(midx-50, midy-50, midx+50, midy+50, 10, 1);

     getch();

     }

     /* clean up */

     closegraph();

     return 0;

    }

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