examples/libvgl/demo.c

53   // VGLDisplay is a ptr to a struct Bitmap defined and initialized by
55   xsize=VGLDisplay->Xsize;
56   ysize=VGLDisplay->Ysize;
65     VGLLine(VGLDisplay, 0, y, xsize-1, y, y/2 % 256);
68   VGLLine(VGLDisplay, 0, 0, xsize-1, ysize-1, 63);
69   VGLLine(VGLDisplay, 0, ysize-1, xsize-1, 0, 63);
70   VGLLine(VGLDisplay, 0, 0, 0, ysize-1, 63);
71   VGLLine(VGLDisplay, xsize-1, 0, xsize-1, ysize-1, 63);
72   VGLEllipse(VGLDisplay, 256, 0, 256, 256, 63);
73   VGLEllipse(VGLDisplay, 0, 256, 256, 256, 0);
76   VGLBitmapString(VGLDisplay, 100,100,
79   VGLBitmapString(VGLDisplay, 100,100,
82   VGLBitmapString(VGLDisplay, 100,100,
85   VGLBitmapString(VGLDisplay, 100,100,
93   VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 0, 0, 128, 128);
97   VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 3, 128, 128, 128);
99   VGLBitmapCopy(VGLDisplay, 237, 311, tmp, 64, 64, 128, 128);
100   VGLBitmapCopy(tmp, 32, 32, VGLDisplay, 400, 128, 128, 128);
102   VGLBitmapCopy(VGLDisplay, 300, 300, VGLDisplay, 500, 128, 128, 128);
108     VGLBitmapCopy(VGLDisplay, rand()%xsize, rand()%ysize,
109                   VGLDisplay, rand()%xsize, rand()%ysize,
111     VGLLine(VGLDisplay,  rand()%xsize, rand()%ysize,
113     VGLEllipse(VGLDisplay, rand()%xsize, rand()%ysize,