weeeeeeeeeeeek08

~texture~

build option裡開始改，載opencv2.1版本。

#include <opencv/highgui.h>

int main()

{

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

    cvShowImage("opencv Window",img);

    cvWaitKey(0);

}

compiler/include///link/lib

#include <GL/glut.h>

#include <opencv/highgui.h>

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);//滑鼠移動

    /*glPushMatrix();

    glTranslatef((x-150)/150.0,-(y-150)/150.0,0);//以視窗內座標決定移動位置

    //glColor3f(0.8,0.6,0);*/

    glutSolidTeapot(0.3);

   // glPopMatrix();

    glutSwapBuffers();

}

/*void motion(int nowx,int nowy)

{

    x=nowx; y=nowy;//滑鼠移動

    display();

}*/

int main(int argc,char ** argv)

{

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

    cvShowImage("another Window",img);

    cvWaitKey(0);

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);

    glutCreateWindow("week08 texture 06160095");

    glutDisplayFunc(display);

    //glutMotionFunc(motion);//執行

    glutMainLoop();

}

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

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

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

#include <stdio.h>

GLUquadric * quad;

GLuint id;

float angle=0;

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(90, 1,0,0);

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

        gluQuadricTexture(quad, 1);

        gluSphere(quad, 1, 30, 30);///glutSolidTeapot(0.3);

    glPopMatrix();///自動轉很帥

    glFlush();

}

void timer(int t)

{   glutTimerFunc(20, timer, 0);/// 1000 msec   50fps:20msec

    angle+=1;///自動轉很帥

    glutPostRedisplay();

}

int myTexture(char *filename)

{

    IplImage * img = cvLoadImage(filename); ///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);

    return id;

}

void myInit()

{   quad = gluNewQuadric();

    id = myTexture("image.png");

}

int main(int argc, char**argv)

{   glutInit(&argc, argv);

    glutCreateWindow("3D");

    glutDisplayFunc(display); ///顯示

    glutTimerFunc(0, timer, 0);

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

    glutMainLoop();

}