#include <GL/glut.h>
#include <opencv/highgui.h>
#include <opencv/cv.h>
 
void display(){
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glutSolidTeapot( 0.3 );
    glutSwapBuffers();
}
int myTexture(char *filename){          ///回傳貼圖id依據圖片檔名
    cvCvtColor(img,img,CV_BGR2RGB);     ///OpemCV轉色彩(需要cv.h)
    IplImage*img=cvLoadImage(filename); ///回傳依據圖片檔名
    Enable(GL_TEXTURE_2D);              ///開啓貼圖功能
    GLuint id;                          ///準備一個整數，叫貼圖id
    glGenTextures(1,&id);
    glBindTexture(GL_TEXTURE_2D,id);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);//黑
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);//窗
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);     //範
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);     //例
    glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,img->width,img->height,0);
 
    return id;
 
}
void myInit(){
    quad=gluNewQuadric();
    id=myTexture("image.jpg");
}
 
int main(int argc,char **argv){
 
    IplImage*img=cvLoadImage("image.jpg");
    cvShowImage("opencv Window",img);
    cvWaitKey(0);
 
    glutInit(&argc,argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("GLUT");
    glutDisplayFunc(display);
 
 
    glutMainLoop();
}