1 /*- 2 * Copyright (c) 1991-1997 S�ren 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 withough 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 <machine/console.h> 33 #include "vgl.h" 34 35 int 36 main(int argc, char **argv) 37 { 38 int x, y, xsize, ysize, i,j; 39 VGLBitmap tmp; 40 41 // set graphics mode, here 320x240 256 colors 42 // supported modes are (from <machine/console.h>): 43 // SW_VGA_CG320: std VGA 320x200 256 colors 44 // SW_VGA_MODEX: Modex VGA 320x240 256 colors 45 // SW_VGA_VG640: std VGA 640x480 16 colors 46 VGLInit(SW_VGA_MODEX); 47 48 // initialize mouse and show pointer 49 VGLMouseInit(VGL_MOUSESHOW); 50 51 // VGLDisplay is a ptr to a struct Bitmap defined and initialized by 52 // libvgl. The Bitmap points directly to screen memory etc. 53 xsize=VGLDisplay->Xsize; 54 ysize=VGLDisplay->Ysize; 55 56 // alloc a new bitmap (there should be a function for this) 57 tmp.Type = MEMBUF; tmp.Bitmap = (char*)malloc(256*256); 58 tmp.Xsize = 256; tmp.Ysize = 256; 59 60 // fill the screen with colored lines 61 for (y=0; y<ysize; y++) 62 VGLLine(VGLDisplay, 0, y, xsize-1, y, y/2 % 256); 63 64 // draw some lines and circles just to show off 65 VGLLine(VGLDisplay, 0, 0, xsize-1, ysize-1, 63); 66 VGLLine(VGLDisplay, 0, ysize-1, xsize-1, 0, 63); 67 VGLLine(VGLDisplay, 0, 0, 0, ysize-1, 63); 68 VGLLine(VGLDisplay, xsize-1, 0, xsize-1, ysize-1, 63); 69 VGLEllipse(VGLDisplay, 256, 0, 256, 256, 63); 70 VGLEllipse(VGLDisplay, 0, 256, 256, 256, 0); 71 72 // some text is also usefull 73 VGLBitmapString(VGLDisplay, 100,100, 74 "This is text", 63, 0, 0, VGL_DIR_RIGHT); 75 sleep(2); 76 VGLBitmapString(VGLDisplay, 100,100, 77 "This is text", 63, 0, 0, VGL_DIR_UP); 78 sleep(2); 79 VGLBitmapString(VGLDisplay, 100,100, 80 "This is text", 63, 0, 0, VGL_DIR_LEFT); 81 sleep(2); 82 VGLBitmapString(VGLDisplay, 100,100, 83 "This is text", 63, 0, 0, VGL_DIR_DOWN); 84 sleep(2); 85 86 // now show some simple bitblit 87 for (i=0; i<256; i++) 88 for (j=0; j<256; j++) 89 tmp.Bitmap[i+256*j] = i%16; 90 VGLBitmapCopy(&tmp, 0, 0, VGLDisplay, 0, 0, 128, 128); 91 for (i=0; i<256; i++) 92 for (j=0; j<256; j++) 93 tmp.Bitmap[i+256*j] = j%16; 94 VGLBitmapCopy(&tmp, 0, 0, VGLDisplay, 3, 128, 128, 128); 95 sleep(2); 96 VGLBitmapCopy(VGLDisplay, 237, 311, &tmp, 64, 64, 128, 128); 97 VGLBitmapCopy(&tmp, 32, 32, VGLDisplay, 400, 128, 128, 128); 98 sleep(2); 99 VGLBitmapCopy(VGLDisplay, 300, 300, VGLDisplay, 500, 128, 128, 128); 100 sleep(5); 101 i=0; 102 103 // loop around drawing and copying 104 while (++i) { 105 VGLBitmapCopy(VGLDisplay, rand()%xsize, rand()%ysize, 106 VGLDisplay, rand()%xsize, rand()%ysize, 107 rand()%xsize, rand()%ysize); 108 VGLLine(VGLDisplay, rand()%xsize, rand()%ysize, 109 rand()%xsize, rand()%ysize, rand()%256); 110 VGLEllipse(VGLDisplay, rand()%xsize, rand()%ysize, 111 rand()%xsize/2, rand()%ysize/2, rand()%256); 112 rand(); 113 if (i > 1000) break; 114 } 115 116 // restore screen to its original mode 117 VGLEnd(); 118 return 0; 119 } 120 121