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| // Source file for the OFF file viewer ***Modifiée***
// INCLUDE FILES
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include <assert.h>
#include <GL/glut.h>
#include <GL/glu.h>
#include <GL/gl.h>
#ifdef _WIN32
#include <windows.h>
#endif
#define DATA_WIDTH 20
#define DATA_HEIGHT 2000
using namespace std;
// TYPE DEFINITIONS
typedef struct data{
unsigned char r;
unsigned char v;
unsigned char b;
};
data datargb[DATA_WIDTH][DATA_HEIGHT];
// GLUT variables
static int GLUTwindow = 0;
static int GLUTwindow_height = 800;
static int GLUTwindow_width = 800;
static int GLUTmouse[2] = { 0, 0 };
static int GLUTbutton[3] = { 0, 0, 0 };
static int GLUTarrows[4] = { 0, 0, 0, 0 };
static int GLUTmodifiers = 0;
// GLOBAL VARIABLES
float midLar = ((float)GLUTwindow_width) / 2.0f;
float midHau = ((float)GLUTwindow_height) / 2.0f;
FILE *f=NULL; char *fichier="C:/fichierRGB.txt";
// Display variables
static int scaling = 0;
static int translating = 0;
static int rotating = 0;
static float scale = 1.0;
static float center[3] = { 0.0, 0.0, 0.0 };
static float rotation[3] = { 0.0, 0.0, 0.0 };
static float translation[3] = { 0.0, 0.0, -4.0 };
void drawRectangle(void)
{
// Set projection transformation
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0, (GLfloat) GLUTwindow_width /(GLfloat) GLUTwindow_height, 0.1, 100.0);
// Set camera transformation
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(translation[0], translation[1], translation[2]);
glScalef(scale, scale, scale);
glRotatef(rotation[0], 1.0, 0.0, 0.0);
glRotatef(rotation[1], 0.0, 1.0, 0.0);
glRotatef(rotation[2], 0.0, 0.0, 1.0);
glTranslatef(-center[0], -center[1], -center[2]);
// Clear window
glClearColor(.0, .0, .0, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(.0,.0,.0);
//rectangle rouge
glColor3f(1.0,.0,.0);
glBegin(GL_POLYGON);
glVertex2f(.0,.0);
glVertex2f(0.2,.0);
glVertex2f(0.2,1.0);
glVertex2f(.0,1.0);
glEnd();
rectangle vert
glColor3f(.0,1.0,.0);
glBegin(GL_POLYGON);
glVertex2f(0.201,0.0);
glVertex2f(0.4,0.0);
glVertex2f(0.4,1.0);
glVertex2f(0.201,1.0);
glEnd();
glutSwapBuffers();
glReadBuffer(GL_FRONT);
glReadPixels((int)(midLar),(int)(midHau),DATA_WIDTH,DATA_HEIGHT,GL_RGB,GL_UNSIGNED_BYTE,datargb);
f=fopen(fichier,"w");
for(int k=0;k<3;k++)
{
for(int m=0;m<2000;m++)
{
fprintf(f,"[%d][%d]: r:%d g:%d b:%d\n",k,m,(int)datargb[k][m].r,(int)datargb[k][m].v,(int)datargb[k][m].b);
}
}
fclose(f);
}
void GLUTInit(int *argc, char **argv)
{
// Open window
glutInit(argc, argv);
glutInitWindowPosition(300, 100);
glutInitWindowSize(GLUTwindow_width, GLUTwindow_height);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
GLUTwindow = glutCreateWindow("OpenGL Viewer");
// Initialize GLUT callback functions
glutDisplayFunc(drawRectangle);
// Initialize graphics modes
glEnable(GL_DEPTH_TEST);
}
int main(int argc, char **argv)
{
// Initialize GLUT
GLUTInit(&argc, argv);
// Run GLUT interface
glutMainLoop();
// Return success
return 0;
} |
