目的：
透過 OPENGL 顯示OPENCV 加快顯示速度，並加上證券顏色材質貼圖，顯示在球上
函數介紹：
參數值：
使用範例：
sample14-2_OpenGL-貼圖RGB
[code]
/* www.powenko.com
Author: Powen Ko
$ g++ main.cpp -o main -I/opt/local/include -L/opt/local/lib -lopencv_core.2.4.10 -lopencv_highgui.2.4.10 -framework GLUT -framework OpenGL -Wno-deprecated-declarations `pkg-config –cflags –libs opencv`
*/
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/opencv.hpp>
#include <iostream>
#include <string.h>
#include <fstream>
#include <stdio.h>
#include <opencv/highgui.h>
#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif
using namespace cv;
GLuint id[100];
GLUquadric * quadric;
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
// glutSolidTeapot(0.5);
gluSphere(quadric,0.8,30,30);
glPopMatrix();
glFlush();
}
void init_texture(IplImage * img)
{
glEnable(GL_TEXTURE_2D);
glGenTextures(10, id);
glBindTexture(GL_TEXTURE_2D, id[0]);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,img->width,img->height,0,
GL_RGB,GL_UNSIGNED_BYTE,img->imageData);
}
int main(int argc,char* argv[])
{
IplImage * image=cvLoadImage("1.jpg");
cvCvtColor(image, image, CV_BGR2RGB);
glutInit(&argc,argv);
glutCreateWindow("Hello World");
glutDisplayFunc(display);
quadric=gluNewQuadric();
gluQuadricTexture(quadric,1);
init_texture(image);
glutMainLoop();
}
[/code]
結果：
