TBITMAP1.C

/* 
 * (c) Copyright 1993, Silicon Graphics, Inc. 
 *               1993-1995 Microsoft Corporation 
 * 
 * ALL RIGHTS RESERVED 
 * 
 * Please refer to OpenGL/readme.txt for additional information 
 * 
 */ 
 
#include "glos.h" 
 
#include <stdio.h> 
#include <string.h> 
#include <stdlib.h> 
#include <gl\glaux.h> 
 
#define OPENGL_WIDTH 24 
#define OPENGL_HEIGHT 13 
 
static void Init(void ); 
static void CALLBACK Reshape(int width,int height); 
static void CALLBACK Draw(void ); 
static GLenum Args(int argc,char **argv ); 
 
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,  
}; 
 
 
static void Init(void) 
{ 
 
    glClearColor(0.0, 0.0, 0.0, 0.0); 
    glClearIndex(0.0); 
} 
 
static void CALLBACK 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 CALLBACK 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); 
     
    AUX_SETCOLOR(windType, AUX_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); 
 
    AUX_SETCOLOR(windType, AUX_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); 
 
    AUX_SETCOLOR(windType, AUX_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); 
 
    AUX_SETCOLOR(windType, AUX_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); 
 
    AUX_SETCOLOR(windType, AUX_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) { 
        auxSwapBuffers(); 
    } 
} 
 
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; 
} 
 
void main(int argc, char **argv) 
{ 
 
    if (Args(argc, argv) == GL_FALSE) { 
        auxQuit(); 
    } 
 
    auxInitPosition(0, 0, 300, 300); 
 
    windType = (rgb) ? AUX_RGB : AUX_INDEX; 
    windType |= (doubleBuffer) ? AUX_DOUBLE : AUX_SINGLE; 
 
    auxInitDisplayMode(windType); 
 
    if (auxInitWindow("Bitmap Test") == GL_FALSE) { 
        auxQuit(); 
    } 
 
    Init(); 
 
    auxExposeFunc((AUXEXPOSEPROC)Reshape); 
    auxReshapeFunc((AUXRESHAPEPROC)Reshape); 
    auxMainLoop(Draw); 
}