1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 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 37 int 38 main(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