1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1991-1997 Søren Schmidt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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 18 * 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. 29 * 30 * $FreeBSD$ 31 */ 32 33 #include <sys/types.h> 34 #include <sys/fbio.h> 35 #include <sys/kbio.h> 36 #include <sys/consio.h> 37 #include <vgl.h> 38 39 int 40 main(int argc, char **argv) 41 { 42 int y, xsize, ysize, i,j; 43 VGLBitmap *tmp; 44 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); 51 52 // initialize mouse and show pointer 53 VGLMouseInit(VGL_MOUSESHOW); 54 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; 59 60 // alloc a new bitmap 61 tmp = VGLBitmapCreate(MEMBUF, 256, 256, NULL); 62 VGLBitmapAllocateBits(tmp); 63 VGLClear(tmp, 0); 64 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); 68 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); 76 77 // some text is also useful 78 VGLBitmapString(VGLDisplay, 100,100, 79 "This is text", 63, 0, 0, VGL_DIR_RIGHT); 80 sleep(2); 81 VGLBitmapString(VGLDisplay, 100,100, 82 "This is text", 63, 0, 0, VGL_DIR_UP); 83 sleep(2); 84 VGLBitmapString(VGLDisplay, 100,100, 85 "This is text", 63, 0, 0, VGL_DIR_LEFT); 86 sleep(2); 87 VGLBitmapString(VGLDisplay, 100,100, 88 "This is text", 63, 0, 0, VGL_DIR_DOWN); 89 sleep(2); 90 91 // now show some simple bitblit 92 for (i=0; i<256; i++) 93 for (j=0; j<256; j++) 94 tmp->Bitmap[i+256*j] = i%16; 95 VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 0, 0, 128, 128); 96 for (i=0; i<256; i++) 97 for (j=0; j<256; j++) 98 tmp->Bitmap[i+256*j] = j%16; 99 VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 3, 128, 128, 128); 100 sleep(2); 101 VGLBitmapCopy(VGLDisplay, 237, 311, tmp, 64, 64, 128, 128); 102 VGLBitmapCopy(tmp, 32, 32, VGLDisplay, 400, 128, 128, 128); 103 sleep(2); 104 VGLBitmapCopy(VGLDisplay, 300, 300, VGLDisplay, 500, 128, 128, 128); 105 sleep(5); 106 i=0; 107 108 // loop around drawing and copying 109 while (++i) { 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); 117 rand(); 118 if (i > 1000) break; 119 } 120 121 // restore screen to its original mode 122 VGLEnd(); 123 return 0; 124 } 125