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 --- 11 unchanged lines hidden (view full) --- 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: head/share/examples/libvgl/demo.c 53013 1999-11-08 11:37:46Z yokota $ |
29 */ 30 31#include <sys/types.h> 32#include <machine/console.h> 33#include "vgl.h" 34 35int 36main(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 57 tmp = VGLBitmapCreate(MEMBUF, 256, 256, NULL); 58 VGLBitmapAllocateBits(tmp); 59 VGLClear(tmp, 0); |
60 61 // fill the screen with colored lines 62 for (y=0; y<ysize; y++) 63 VGLLine(VGLDisplay, 0, y, xsize-1, y, y/2 % 256); 64 65 // draw some lines and circles just to show off 66 VGLLine(VGLDisplay, 0, 0, xsize-1, ysize-1, 63); 67 VGLLine(VGLDisplay, 0, ysize-1, xsize-1, 0, 63); --- 14 unchanged lines hidden (view full) --- 82 sleep(2); 83 VGLBitmapString(VGLDisplay, 100,100, 84 "This is text", 63, 0, 0, VGL_DIR_DOWN); 85 sleep(2); 86 87 // now show some simple bitblit 88 for (i=0; i<256; i++) 89 for (j=0; j<256; j++) |
90 tmp->Bitmap[i+256*j] = i%16; 91 VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 0, 0, 128, 128); |
92 for (i=0; i<256; i++) 93 for (j=0; j<256; j++) |
94 tmp->Bitmap[i+256*j] = j%16; 95 VGLBitmapCopy(tmp, 0, 0, VGLDisplay, 3, 128, 128, 128); |
96 sleep(2); |
97 VGLBitmapCopy(VGLDisplay, 237, 311, tmp, 64, 64, 128, 128); 98 VGLBitmapCopy(tmp, 32, 32, VGLDisplay, 400, 128, 128, 128); |
99 sleep(2); 100 VGLBitmapCopy(VGLDisplay, 300, 300, VGLDisplay, 500, 128, 128, 128); 101 sleep(5); 102 i=0; 103 104 // loop around drawing and copying 105 while (++i) { 106 VGLBitmapCopy(VGLDisplay, rand()%xsize, rand()%ysize, --- 15 unchanged lines hidden --- |