week10_02161141陳筱瑀

1.下載Open CV2.1 ,安裝 C:\Open CV2.1
2.設定Open CV
    (1) FILE-New-Project (右上console application)
    (2)Project-Build設定
      Directory : Compile

Link : C:\Open CV 2.1\include
           C:\Open CV 2.1\lib

#include <opencv/highgui.h>

int main()

{

    IplImage *img=cvLoadImage("PIA17011.jpg");

    cvNamedWindow("2D");

    cvShowImage("2D", img);

    cvWaitKey(0);

    return 0;

}

#include <opencv/highgui.h>

#include <GL/glut.h>

float angle=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

       glRotatef(angle, 0,1,0);

       glutSolidTeapot(0.3);

    glPopMatrix();

    glFlush();

    angle+=0.1;

}

int main(int argc, char **argv)

{

    IplImage *img=cvLoadImage("PIA17011.jpg");

    cvNamedWindow("2D");

    cvShowImage("2D", img);

    cvWaitKey(1);

    glutInit(&argc, argv);

    glutCreateWindow("3D");

    glutDisplayFunc(display);

    glutIdleFunc(display);

    glutMainLoop();

}

#include <opencv/highgui.h> ///for cvLoadImage()

#include <opencv/cv.h> ///for cvCvtColor()

#include <GL/glut.h> ///3D glut

float angle=0; ///自動轉很帥

void display()

{   glEnable(GL_DEPTH_TEST); ///要啟動 Detph Test 深度值的測試,3D顯示才正確

    glClear(GL_COLOR_BUFFER_BIT  | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();///自動轉很帥

        glRotatef(angle, 0,1,0);///自動轉很帥

        glutSolidTeapot(0.3);

    glPopMatrix();///自動轉很帥

    glFlush();

    angle+=0.1;///自動轉很帥

}

void myInit()

{   IplImage * img = cvLoadImage("PIA17011.jpg"); ///OpenCV讀圖

    cvCvtColor(img,img, CV_BGR2RGB); ///OpenCV轉色彩 (需要cv.h)

    glEnable(GL_TEXTURE_2D); ///1. 開啟貼圖功能

    GLuint id; ///準備一個 unsigned int 整數, 叫 貼圖ID

    glGenTextures(1, &id); /// 產生Generate 貼圖ID

    glBindTexture(GL_TEXTURE_2D, id); ///綁定bind 貼圖ID

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); /// 貼圖參數, 超過包裝的範圖T, 就重覆貼圖

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); /// 貼圖參數, 超過包裝的範圖S, 就重覆貼圖

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); /// 貼圖參數, 放大時的內插, 用最近點

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); /// 貼圖參數, 縮小時的內插, 用最近點

    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img->width, img->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img->imageData);

}   ///最後一行最難/最重要, 所有貼圖影像的資料都設定好

int main(int argc, char**argv)

{   glutInit(&argc, argv);

    glutCreateWindow("3D");

    glutDisplayFunc(display); ///顯示

    glutIdleFunc(display);///自動轉很帥 (閒閒沒事幹, 就重畫)

    myInit(); ///我的 init 初始化 把貼圖準備好 前面OpenCV 2行, 後面 OpenGL 9行

    glutMainLoop();

}