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- /*
- * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the name of
- * Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
- * ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
- #include <stdio.h>
- #include <string.h>
- #include <stdlib.h>
- #include "gltk.h"
-
-
- #define OPENGL_WIDTH 24
- #define OPENGL_HEIGHT 13
-
-
- GLenum rgb, doubleBuffer, directRender, windType;
-
- float boxA[3] = {
- 0, 0, 0
- };
- float boxB[3] = {
- -100, 0, 0
- };
- float boxC[3] = {
- 100, 0, 0
- };
- float boxD[3] = {
- 0, 95, 0
- };
- float boxE[3] = {
- 0, -105, 0
- };
- GLubyte OpenGL_bits1[] = {
- 0x00, 0x03, 0x00,
- 0x7f, 0xfb, 0xff,
- 0x7f, 0xfb, 0xff,
- 0x00, 0x03, 0x00,
- 0x3e, 0x8f, 0xb7,
- 0x63, 0xdb, 0xb0,
- 0x63, 0xdb, 0xb7,
- 0x63, 0xdb, 0xb6,
- 0x63, 0x8f, 0xf3,
- 0x63, 0x00, 0x00,
- 0x63, 0x00, 0x00,
- 0x63, 0x00, 0x00,
- 0x3e, 0x00, 0x00,
- };
- GLubyte OpenGL_bits2[] = {
- 0x00, 0x00, 0x00,
- 0xff, 0xff, 0x01,
- 0xff, 0xff, 0x01,
- 0x00, 0x00, 0x00,
- 0xf9, 0xfc, 0x01,
- 0x8d, 0x0d, 0x00,
- 0x8d, 0x0d, 0x00,
- 0x8d, 0x0d, 0x00,
- 0xcc, 0x0d, 0x00,
- 0x0c, 0x4c, 0x0a,
- 0x0c, 0x4c, 0x0e,
- 0x8c, 0xed, 0x0e,
- 0xf8, 0x0c, 0x00,
- };
- GLubyte logo_bits[] = {
- 0x00, 0x66, 0x66,
- 0xff, 0x66, 0x66,
- 0x00, 0x00, 0x00,
- 0xff, 0x3c, 0x3c,
- 0x00, 0x42, 0x40,
- 0xff, 0x42, 0x40,
- 0x00, 0x41, 0x40,
- 0xff, 0x21, 0x20,
- 0x00, 0x2f, 0x20,
- 0xff, 0x20, 0x20,
- 0x00, 0x10, 0x90,
- 0xff, 0x10, 0x90,
- 0x00, 0x0f, 0x10,
- 0xff, 0x00, 0x00,
- 0x00, 0x66, 0x66,
- 0xff, 0x66, 0x66,
- };
-
-
- static void Init(void)
- {
-
- glClearColor(0.0, 0.0, 0.0, 0.0);
- glClearIndex(0.0);
- }
-
- static void Reshape(int width, int height)
- {
-
- glViewport(0, 0, (GLint)width, (GLint)height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluOrtho2D(-175, 175, -175, 175);
- glMatrixMode(GL_MODELVIEW);
- }
-
- static GLenum Key(int key, GLenum mask)
- {
-
- switch (key) {
- case TK_ESCAPE:
- tkQuit();
- }
- return GL_FALSE;
- }
-
- static void Draw(void)
- {
- float mapI[2], mapIA[2], mapIR[2];
-
- glClear(GL_COLOR_BUFFER_BIT);
-
- mapI[0] = 0.0;
- mapI[1] = 1.0;
- mapIR[0] = 0.0;
- mapIR[1] = 0.0;
- mapIA[0] = 1.0;
- mapIA[1] = 1.0;
-
- glPixelMapfv(GL_PIXEL_MAP_I_TO_R, 2, mapIR);
- glPixelMapfv(GL_PIXEL_MAP_I_TO_G, 2, mapI);
- glPixelMapfv(GL_PIXEL_MAP_I_TO_B, 2, mapI);
- glPixelMapfv(GL_PIXEL_MAP_I_TO_A, 2, mapIA);
- glPixelTransferi(GL_MAP_COLOR, GL_TRUE);
-
- glRasterPos3fv(boxA);
- glPixelStorei(GL_UNPACK_ROW_LENGTH, 24);
- glPixelStorei(GL_UNPACK_SKIP_PIXELS, 8);
- glPixelStorei(GL_UNPACK_SKIP_ROWS, 2);
- glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glBitmap(16, 12, 8.0, 0.0, 0.0, 0.0, logo_bits);
-
- glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
- glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
- glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
- glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-
- TK_SETCOLOR(windType, TK_WHITE);
- glRasterPos3fv(boxB);
- glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
- OpenGL_bits1);
- glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
- OpenGL_bits2);
-
- TK_SETCOLOR(windType, TK_YELLOW);
- glRasterPos3fv(boxC);
- glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
- OpenGL_bits1);
- glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
- OpenGL_bits2);
-
- TK_SETCOLOR(windType, TK_CYAN);
- glRasterPos3fv(boxD);
- glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
- OpenGL_bits1);
- glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
- OpenGL_bits2);
-
- TK_SETCOLOR(windType, TK_RED);
- glRasterPos3fv(boxE);
- glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
- OpenGL_bits1);
- glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, OPENGL_WIDTH, 0.0, OPENGL_WIDTH, 0.0,
- OpenGL_bits2);
-
- glFlush();
-
- if (doubleBuffer) {
- tkSwapBuffers();
- }
- }
-
- static GLenum Args(int argc, char **argv)
- {
- GLint i;
-
- rgb = GL_TRUE;
- doubleBuffer = GL_FALSE;
- directRender = GL_TRUE;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-ci") == 0) {
- rgb = GL_FALSE;
- } else if (strcmp(argv[i], "-rgb") == 0) {
- rgb = GL_TRUE;
- } else if (strcmp(argv[i], "-sb") == 0) {
- doubleBuffer = GL_FALSE;
- } else if (strcmp(argv[i], "-db") == 0) {
- doubleBuffer = GL_TRUE;
- } else if (strcmp(argv[i], "-dr") == 0) {
- directRender = GL_TRUE;
- } else if (strcmp(argv[i], "-ir") == 0) {
- directRender = GL_FALSE;
- } else {
- printf("%s (Bad option).\n", argv[i]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
- }
-
- void main(int argc, char **argv)
- {
-
- if (Args(argc, argv) == GL_FALSE) {
- tkQuit();
- }
-
- tkInitPosition(0, 0, 300, 300);
-
- windType = (rgb) ? TK_RGB : TK_INDEX;
- windType |= (doubleBuffer) ? TK_DOUBLE : TK_SINGLE;
- windType |= (directRender) ? TK_DIRECT : TK_INDIRECT;
- tkInitDisplayMode(windType);
-
- if (tkInitWindow("Bitmap Test") == GL_FALSE) {
- tkQuit();
- }
-
- Init();
-
- tkExposeFunc(Reshape);
- tkReshapeFunc(Reshape);
- tkKeyDownFunc(Key);
- tkDisplayFunc(Draw);
- tkExec();
- }
-