2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1991-1997 Søren Schmidt
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer
12 * in this position and unchanged.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/types.h>
36 #include <sys/consio.h>
40 main(int argc, char **argv)
42 int y, xsize, ysize, i,j;
45 // set graphics mode, here 320x240 256 colors
46 // supported modes are (from <sys/consio.h>):
47 // SW_VGA_CG320: std VGA 320x200 256 colors
48 // SW_VGA_MODEX: Modex VGA 320x240 256 colors
49 // SW_VGA_VG640: std VGA 640x480 16 colors
50 VGLInit(SW_VGA_MODEX);
52 // initialize mouse and show pointer
53 VGLMouseInit(VGL_MOUSESHOW);
55 // VGLDisplay is a ptr to a struct Bitmap defined and initialized by
56 // libvgl. The Bitmap points directly to screen memory etc.
57 xsize=VGLDisplay->Xsize;
58 ysize=VGLDisplay->Ysize;
61 tmp = VGLBitmapCreate(MEMBUF, 256, 256, NULL);
62 VGLBitmapAllocateBits(tmp);
65 // fill the screen with colored lines
66 for (y=0; y<ysize; y++)
67 VGLLine(VGLDisplay, 0, y, xsize-1, y, y/2 % 256);
69 // draw some lines and circles just to show off
70 VGLLine(VGLDisplay, 0, 0, xsize-1, ysize-1, 63);
71 VGLLine(VGLDisplay, 0, ysize-1, xsize-1, 0, 63);
72 VGLLine(VGLDisplay, 0, 0, 0, ysize-1, 63);
73 VGLLine(VGLDisplay, xsize-1, 0, xsize-1, ysize-1, 63);
74 VGLEllipse(VGLDisplay, 256, 0, 256, 256, 63);
75 VGLEllipse(VGLDisplay, 0, 256, 256, 256, 0);
77 // some text is also useful
78 VGLBitmapString(VGLDisplay, 100,100,
79 "This is text", 63, 0, 0, VGL_DIR_RIGHT);
81 VGLBitmapString(VGLDisplay, 100,100,
82 "This is text", 63, 0, 0, VGL_DIR_UP);
84 VGLBitmapString(VGLDisplay, 100,100,
85 "This is text", 63, 0, 0, VGL_DIR_LEFT);
87 VGLBitmapString(VGLDisplay, 100,100,
88 "This is text", 63, 0, 0, VGL_DIR_DOWN);
91 // now show some simple bitblit
94 tmp->Bitmap[i+256*j] = i%16;
95 VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 0, 0, 128, 128);
98 tmp->Bitmap[i+256*j] = j%16;
99 VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 3, 128, 128, 128);
101 VGLBitmapCopy(VGLDisplay, 237, 311, tmp, 64, 64, 128, 128);
102 VGLBitmapCopy(tmp, 32, 32, VGLDisplay, 400, 128, 128, 128);
104 VGLBitmapCopy(VGLDisplay, 300, 300, VGLDisplay, 500, 128, 128, 128);
108 // loop around drawing and copying
110 VGLBitmapCopy(VGLDisplay, rand()%xsize, rand()%ysize,
111 VGLDisplay, rand()%xsize, rand()%ysize,
112 rand()%xsize, rand()%ysize);
113 VGLLine(VGLDisplay, rand()%xsize, rand()%ysize,
114 rand()%xsize, rand()%ysize, rand()%256);
115 VGLEllipse(VGLDisplay, rand()%xsize, rand()%ysize,
116 rand()%xsize/2, rand()%ysize/2, rand()%256);
121 // restore screen to its original mode