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Diffstat (limited to 'progs/samples/bitmap1.c')
| -rw-r--r-- | progs/samples/bitmap1.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/progs/samples/bitmap1.c b/progs/samples/bitmap1.c new file mode 100644 index 00000000000..517d584e212 --- /dev/null +++ b/progs/samples/bitmap1.c @@ -0,0 +1,250 @@ +/* + * 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 <GL/glut.h> + + +#define OPENGL_WIDTH 24 +#define OPENGL_HEIGHT 13 + + +GLenum rgb, doubleBuffer, 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, +}; + +#include "tkmap.c" + +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 void Key(unsigned char key, int x, int y) +{ + + switch (key) { + case 27: + exit(1); + } +} + +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); + + SetColor(COLOR_WHITE); + 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); + + SetColor(COLOR_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); + + SetColor(COLOR_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); + + SetColor(COLOR_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); + + SetColor(COLOR_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) { + glutSwapBuffers(); + } +} + +static GLenum Args(int argc, char **argv) +{ + GLint i; + + rgb = GL_TRUE; + doubleBuffer = GL_FALSE; + + 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 { + printf("%s (Bad option).\n", argv[i]); + return GL_FALSE; + } + } + return GL_TRUE; +} + +int main(int argc, char **argv) +{ + glutInit(&argc, argv); + + if (Args(argc, argv) == GL_FALSE) { + exit(1); + } + + glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300); + + windType = (rgb) ? GLUT_RGB : GLUT_INDEX; + windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; + glutInitDisplayMode(windType); + + if (glutCreateWindow("Bitmap Test") == GL_FALSE) { + exit(1); + } + + InitMap(); + + Init(); + + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + glutMainLoop(); + return 0; +} |