266 lines
7 KiB
C
266 lines
7 KiB
C
/*
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* (c) Copyright 1993, Silicon Graphics, Inc.
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* ALL RIGHTS RESERVED
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* Permission to use, copy, modify, and distribute this software for
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* any purpose and without fee is hereby granted, provided that the above
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* copyright notice appear in all copies and that both the copyright notice
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* and this permission notice appear in supporting documentation, and that
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* the name of Silicon Graphics, Inc. not be used in advertising
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* or publicity pertaining to distribution of the software without specific,
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* written prior permission.
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*
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* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
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* AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
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* GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
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* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
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* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
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* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
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* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
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* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
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* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* US Government Users Restricted Rights
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* Use, duplication, or disclosure by the Government is subject to
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* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
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* (c)(1)(ii) of the Rights in Technical Data and Computer Software
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* clause at DFARS 252.227-7013 and/or in similar or successor
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* clauses in the FAR or the DOD or NASA FAR Supplement.
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* Unpublished-- rights reserved under the copyright laws of the
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* United States. Contractor/manufacturer is Silicon Graphics,
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* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
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*
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* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "tk.h"
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#define OPENGL_WIDTH 24
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#define OPENGL_HEIGHT 13
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GLenum rgb, doubleBuffer, directRender, windType;
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float boxA[3] = {
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0, 0, 0
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};
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float boxB[3] = {
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-100, 0, 0
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};
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float boxC[3] = {
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100, 0, 0
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};
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float boxD[3] = {
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0, 95, 0
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};
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float boxE[3] = {
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0, -105, 0
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};
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GLubyte OpenGL_bits1[] = {
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0x00, 0x03, 0x00,
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0x7f, 0xfb, 0xff,
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0x7f, 0xfb, 0xff,
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0x00, 0x03, 0x00,
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0x3e, 0x8f, 0xb7,
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0x63, 0xdb, 0xb0,
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0x63, 0xdb, 0xb7,
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0x63, 0xdb, 0xb6,
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0x63, 0x8f, 0xf3,
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0x63, 0x00, 0x00,
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0x63, 0x00, 0x00,
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0x63, 0x00, 0x00,
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0x3e, 0x00, 0x00,
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};
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GLubyte OpenGL_bits2[] = {
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0x00, 0x00, 0x00,
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0xff, 0xff, 0x01,
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0xff, 0xff, 0x01,
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0x00, 0x00, 0x00,
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0xf9, 0xfc, 0x01,
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0x8d, 0x0d, 0x00,
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0x8d, 0x0d, 0x00,
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0x8d, 0x0d, 0x00,
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0xcc, 0x0d, 0x00,
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0x0c, 0x4c, 0x0a,
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0x0c, 0x4c, 0x0e,
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0x8c, 0xed, 0x0e,
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0xf8, 0x0c, 0x00,
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};
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GLubyte logo_bits[] = {
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0x00, 0x66, 0x66,
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0xff, 0x66, 0x66,
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0x00, 0x00, 0x00,
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0xff, 0x3c, 0x3c,
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0x00, 0x42, 0x40,
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0xff, 0x42, 0x40,
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0x00, 0x41, 0x40,
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0xff, 0x21, 0x20,
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0x00, 0x2f, 0x20,
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0xff, 0x20, 0x20,
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0x00, 0x10, 0x90,
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0xff, 0x10, 0x90,
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0x00, 0x0f, 0x10,
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0xff, 0x00, 0x00,
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0x00, 0x66, 0x66,
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0xff, 0x66, 0x66,
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};
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static void Init(void)
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{
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glClearIndex(0.0);
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}
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static void Reshape(int width, int height)
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{
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glViewport(0, 0, (GLint)width, (GLint)height);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluOrtho2D(-175, 175, -175, 175);
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glMatrixMode(GL_MODELVIEW);
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}
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static GLenum Key(int key, GLenum mask)
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{
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switch (key) {
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case TK_ESCAPE:
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tkQuit();
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}
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return GL_FALSE;
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}
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static void Draw(void)
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{
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float mapI[2], mapIA[2], mapIR[2];
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glClear(GL_COLOR_BUFFER_BIT);
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mapI[0] = 0.0;
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mapI[1] = 1.0;
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mapIR[0] = 0.0;
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mapIR[1] = 0.0;
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mapIA[0] = 1.0;
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mapIA[1] = 1.0;
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glPixelMapfv(GL_PIXEL_MAP_I_TO_R, 2, mapIR);
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glPixelMapfv(GL_PIXEL_MAP_I_TO_G, 2, mapI);
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glPixelMapfv(GL_PIXEL_MAP_I_TO_B, 2, mapI);
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glPixelMapfv(GL_PIXEL_MAP_I_TO_A, 2, mapIA);
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glPixelTransferi(GL_MAP_COLOR, GL_TRUE);
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TK_SETCOLOR(windType, TK_WHITE);
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glRasterPos3fv(boxA);
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glPixelStorei(GL_UNPACK_ROW_LENGTH, 24);
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glPixelStorei(GL_UNPACK_SKIP_PIXELS, 8);
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glPixelStorei(GL_UNPACK_SKIP_ROWS, 2);
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glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
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glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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glBitmap(16, 12, 8.0, 0.0, 0.0, 0.0, logo_bits);
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glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
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glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
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glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
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glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
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glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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TK_SETCOLOR(windType, TK_WHITE);
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glRasterPos3fv(boxB);
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glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
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OpenGL_bits1);
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glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
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OpenGL_bits2);
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TK_SETCOLOR(windType, TK_YELLOW);
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glRasterPos3fv(boxC);
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glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
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OpenGL_bits1);
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glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
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OpenGL_bits2);
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TK_SETCOLOR(windType, TK_CYAN);
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glRasterPos3fv(boxD);
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glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
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OpenGL_bits1);
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glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
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OpenGL_bits2);
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TK_SETCOLOR(windType, TK_RED);
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glRasterPos3fv(boxE);
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glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
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OpenGL_bits1);
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glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
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OpenGL_bits2);
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glFlush();
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if (doubleBuffer) {
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tkSwapBuffers();
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}
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}
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static GLenum Args(int argc, char **argv)
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{
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GLint i;
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rgb = GL_TRUE;
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doubleBuffer = GL_FALSE;
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directRender = GL_FALSE;
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-ci") == 0) {
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rgb = GL_FALSE;
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} else if (strcmp(argv[i], "-rgb") == 0) {
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rgb = GL_TRUE;
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} else if (strcmp(argv[i], "-sb") == 0) {
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doubleBuffer = GL_FALSE;
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} else if (strcmp(argv[i], "-db") == 0) {
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doubleBuffer = GL_TRUE;
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} else if (strcmp(argv[i], "-dr") == 0) {
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directRender = GL_TRUE;
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} else if (strcmp(argv[i], "-ir") == 0) {
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directRender = GL_FALSE;
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} else {
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printf("%s (Bad option).\n", argv[i]);
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return GL_FALSE;
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}
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}
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return GL_TRUE;
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}
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void main(int argc, char **argv)
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{
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if (Args(argc, argv) == GL_FALSE) {
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tkQuit();
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}
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tkInitPosition(0, 0, 300, 300);
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windType = (rgb) ? TK_RGB : TK_INDEX;
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windType |= (doubleBuffer) ? TK_DOUBLE : TK_SINGLE;
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windType |= (directRender) ? TK_DIRECT : TK_INDIRECT;
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tkInitDisplayMode(windType);
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if (tkInitWindow("Bitmap Test") == GL_FALSE) {
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tkQuit();
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}
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Init();
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tkExposeFunc(Reshape);
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tkReshapeFunc(Reshape);
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tkKeyDownFunc(Key);
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tkDisplayFunc(Draw);
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tkExec();
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}
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