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The 640 MEG Shareware Studio 2
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The 640 Meg Shareware Studio CD-ROM Volume II (Data Express)(1993).ISO
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fgl105c.zip
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04-03.C
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1991-05-05
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712b
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43 lines
main()
{
int new_mode, old_mode;
double xmin, xmax, ymin, ymax;
old_mode = fg_getmode();
new_mode = fg_automode();
if (new_mode == 0) {
printf("This program requires graphics.\n");
exit();
}
fg_setmode(new_mode);
fg_initw();
fg_setworld(0.0,40.0,0.0,30.0);
redraw();
fg_waitkey();
fg_getworld(&xmin,&xmax,&ymin,&ymax);
fg_setworld(0.0,xmax*0.5,0.0,ymax*0.5);
redraw();
fg_waitkey();
fg_setmode(old_mode);
fg_reset();
}
redraw()
{
fg_erase();
fg_setcolor(1);
fg_movew(0.0,0.0);
fg_draww(0.0,10.0);
fg_draww(10.0,10.0);
fg_draww(10.0,0.0);
fg_draww(0.0,0.0);
return(0);
}