1/*
2 * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and
5 * its documentation for any purpose is hereby granted without fee, provided
6 * that (i) the above copyright notices and this permission notice appear in
7 * all copies of the software and related documentation, and (ii) the name of
8 * Silicon Graphics may not be used in any advertising or
9 * publicity relating to the software without the specific, prior written
10 * permission of Silicon Graphics.
11 *
12 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
13 * ANY KIND,
14 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
16 *
17 * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
18 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
21 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
22 * OF THIS SOFTWARE.
23 */
24
25#include <stdio.h>
26#include <string.h>
27#include <stdlib.h>
28#include "glut_wrap.h"
29
30
31#define OPENGL_WIDTH 24
32#define OPENGL_HEIGHT 13
33
34
35GLenum rgb, doubleBuffer, windType;
36
37float boxA[3] = {
38    0, 0, 0
39};
40float boxB[3] = {
41    -100, 0, 0
42};
43float boxC[3] = {
44    100, 0, 0
45};
46float boxD[3] = {
47    0, 95, 0
48};
49float boxE[3] = {
50    0, -105, 0
51};
52GLubyte OpenGL_bits1[] = {
53   0x00, 0x03, 0x00,
54   0x7f, 0xfb, 0xff,
55   0x7f, 0xfb, 0xff,
56   0x00, 0x03, 0x00,
57   0x3e, 0x8f, 0xb7,
58   0x63, 0xdb, 0xb0,
59   0x63, 0xdb, 0xb7,
60   0x63, 0xdb, 0xb6,
61   0x63, 0x8f, 0xf3,
62   0x63, 0x00, 0x00,
63   0x63, 0x00, 0x00,
64   0x63, 0x00, 0x00,
65   0x3e, 0x00, 0x00,
66};
67GLubyte OpenGL_bits2[] = {
68   0x00, 0x00, 0x00,
69   0xff, 0xff, 0x01,
70   0xff, 0xff, 0x01,
71   0x00, 0x00, 0x00,
72   0xf9, 0xfc, 0x01,
73   0x8d, 0x0d, 0x00,
74   0x8d, 0x0d, 0x00,
75   0x8d, 0x0d, 0x00,
76   0xcc, 0x0d, 0x00,
77   0x0c, 0x4c, 0x0a,
78   0x0c, 0x4c, 0x0e,
79   0x8c, 0xed, 0x0e,
80   0xf8, 0x0c, 0x00,
81};
82GLubyte logo_bits[] = {
83   0x00, 0x66, 0x66,
84   0xff, 0x66, 0x66,
85   0x00, 0x00, 0x00,
86   0xff, 0x3c, 0x3c,
87   0x00, 0x42, 0x40,
88   0xff, 0x42, 0x40,
89   0x00, 0x41, 0x40,
90   0xff, 0x21, 0x20,
91   0x00, 0x2f, 0x20,
92   0xff, 0x20, 0x20,
93   0x00, 0x10, 0x90,
94   0xff, 0x10, 0x90,
95   0x00, 0x0f, 0x10,
96   0xff, 0x00, 0x00,
97   0x00, 0x66, 0x66,
98   0xff, 0x66, 0x66,
99};
100
101#include "tkmap.c"
102
103static void Init(void)
104{
105
106    glClearColor(0.0, 0.0, 0.0, 0.0);
107    glClearIndex(0.0);
108}
109
110static void Reshape(int width, int height)
111{
112
113    glViewport(0, 0, (GLint)width, (GLint)height);
114
115    glMatrixMode(GL_PROJECTION);
116    glLoadIdentity();
117    gluOrtho2D(-175, 175, -175, 175);
118    glMatrixMode(GL_MODELVIEW);
119}
120
121static void Key(unsigned char key, int x, int y)
122{
123
124    switch (key) {
125      case 27:
126        exit(1);
127    }
128}
129
130static void Draw(void)
131{
132    float mapI[2], mapIA[2], mapIR[2];
133
134    glClear(GL_COLOR_BUFFER_BIT);
135
136    mapI[0] = 0.0;
137    mapI[1] = 1.0;
138    mapIR[0] = 0.0;
139    mapIR[1] = 0.0;
140    mapIA[0] = 1.0;
141    mapIA[1] = 1.0;
142
143    glPixelMapfv(GL_PIXEL_MAP_I_TO_R, 2, mapIR);
144    glPixelMapfv(GL_PIXEL_MAP_I_TO_G, 2, mapI);
145    glPixelMapfv(GL_PIXEL_MAP_I_TO_B, 2, mapI);
146    glPixelMapfv(GL_PIXEL_MAP_I_TO_A, 2, mapIA);
147    glPixelTransferi(GL_MAP_COLOR, GL_TRUE);
148
149    SetColor(COLOR_WHITE);
150    glRasterPos3fv(boxA);
151    glPixelStorei(GL_UNPACK_ROW_LENGTH, 24);
152    glPixelStorei(GL_UNPACK_SKIP_PIXELS, 8);
153    glPixelStorei(GL_UNPACK_SKIP_ROWS, 2);
154    glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
155    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
156    glBitmap(16, 12, 8.0, 0.0, 0.0, 0.0, logo_bits);
157
158    glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
159    glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
160    glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
161    glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
162    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
163
164    SetColor(COLOR_WHITE);
165    glRasterPos3fv(boxB);
166    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
167	     OpenGL_bits1);
168    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
169	     OpenGL_bits2);
170
171    SetColor(COLOR_YELLOW);
172    glRasterPos3fv(boxC);
173    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
174	     OpenGL_bits1);
175    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
176	     OpenGL_bits2);
177
178    SetColor(COLOR_CYAN);
179    glRasterPos3fv(boxD);
180    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
181	     OpenGL_bits1);
182    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
183	     OpenGL_bits2);
184
185    SetColor(COLOR_RED);
186    glRasterPos3fv(boxE);
187    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
188	     OpenGL_bits1);
189    glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
190	     OpenGL_bits2);
191
192    glFlush();
193
194    if (doubleBuffer) {
195	glutSwapBuffers();
196    }
197}
198
199static GLenum Args(int argc, char **argv)
200{
201    GLint i;
202
203    rgb = GL_TRUE;
204    doubleBuffer = GL_FALSE;
205
206    for (i = 1; i < argc; i++) {
207	if (strcmp(argv[i], "-ci") == 0) {
208	    rgb = GL_FALSE;
209	} else if (strcmp(argv[i], "-rgb") == 0) {
210	    rgb = GL_TRUE;
211	} else if (strcmp(argv[i], "-sb") == 0) {
212	    doubleBuffer = GL_FALSE;
213	} else if (strcmp(argv[i], "-db") == 0) {
214	    doubleBuffer = GL_TRUE;
215	} else {
216	    printf("%s (Bad option).\n", argv[i]);
217	    return GL_FALSE;
218	}
219    }
220    return GL_TRUE;
221}
222
223int main(int argc, char **argv)
224{
225    glutInit(&argc, argv);
226
227    if (Args(argc, argv) == GL_FALSE) {
228	exit(1);
229    }
230
231    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
232
233    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
234    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
235    glutInitDisplayMode(windType);
236
237    if (glutCreateWindow("Bitmap Test") == GL_FALSE) {
238	exit(1);
239    }
240
241    InitMap();
242
243    Init();
244
245    glutReshapeFunc(Reshape);
246    glutKeyboardFunc(Key);
247    glutDisplayFunc(Draw);
248    glutMainLoop();
249	return 0;
250}
251