1/*-
2 * Copyright (c) 1991-1997 Søren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer
10 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#include <sys/types.h>
32#include <sys/fbio.h>
33#include <sys/kbio.h>
34#include <sys/consio.h>
35#include <vgl.h>
36
37int
38main(int argc, char **argv)
39{
40  int y, xsize, ysize, i,j;
41  VGLBitmap *tmp;
42
43  // set graphics mode, here 320x240 256 colors
44  // supported modes are (from <sys/consio.h>):
45  // SW_VGA_CG320:      std VGA 320x200 256 colors
46  // SW_VGA_MODEX:      Modex VGA 320x240 256 colors
47  // SW_VGA_VG640:      std VGA 640x480 16 colors
48  VGLInit(SW_VGA_MODEX);
49
50  // initialize mouse and show pointer
51  VGLMouseInit(VGL_MOUSESHOW);
52
53  // VGLDisplay is a ptr to a struct Bitmap defined and initialized by
54  // libvgl. The Bitmap points directly to screen memory etc.
55  xsize=VGLDisplay->Xsize;
56  ysize=VGLDisplay->Ysize;
57
58  // alloc a new bitmap
59  tmp = VGLBitmapCreate(MEMBUF, 256, 256, NULL);
60  VGLBitmapAllocateBits(tmp);
61  VGLClear(tmp, 0);
62
63  // fill the screen with colored lines
64  for (y=0; y<ysize; y++)
65    VGLLine(VGLDisplay, 0, y, xsize-1, y, y/2 % 256);
66
67  // draw some lines and circles just to show off
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);
74
75  // some text is also useful
76  VGLBitmapString(VGLDisplay, 100,100,
77    "This is text", 63, 0, 0, VGL_DIR_RIGHT);
78  sleep(2);
79  VGLBitmapString(VGLDisplay, 100,100,
80    "This is text", 63, 0, 0, VGL_DIR_UP);
81  sleep(2);
82  VGLBitmapString(VGLDisplay, 100,100,
83    "This is text", 63, 0, 0, VGL_DIR_LEFT);
84  sleep(2);
85  VGLBitmapString(VGLDisplay, 100,100,
86    "This is text", 63, 0, 0, VGL_DIR_DOWN);
87  sleep(2);
88
89  // now show some simple bitblit
90  for (i=0; i<256; i++)
91    for (j=0; j<256; j++)
92      tmp->Bitmap[i+256*j] = i%16;
93  VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 0, 0, 128, 128);
94  for (i=0; i<256; i++)
95    for (j=0; j<256; j++)
96      tmp->Bitmap[i+256*j] = j%16;
97  VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 3, 128, 128, 128);
98  sleep(2);
99  VGLBitmapCopy(VGLDisplay, 237, 311, tmp, 64, 64, 128, 128);
100  VGLBitmapCopy(tmp, 32, 32, VGLDisplay, 400, 128, 128, 128);
101  sleep(2);
102  VGLBitmapCopy(VGLDisplay, 300, 300, VGLDisplay, 500, 128, 128, 128);
103  sleep(5);
104  i=0;
105
106  // loop around drawing and copying
107  while (++i) {
108    VGLBitmapCopy(VGLDisplay, rand()%xsize, rand()%ysize,
109                  VGLDisplay, rand()%xsize, rand()%ysize,
110                  rand()%xsize, rand()%ysize);
111    VGLLine(VGLDisplay,  rand()%xsize, rand()%ysize,
112            rand()%xsize, rand()%ysize, rand()%256);
113    VGLEllipse(VGLDisplay, rand()%xsize, rand()%ysize,
114               rand()%xsize/2, rand()%ysize/2, rand()%256);
115    rand();
116    if (i > 1000) break;
117  }
118
119  // restore screen to its original mode
120  VGLEnd();
121  return 0;
122}
123