BLOB_MSER avec opengl

samples/cpp/BLOB_MSER.cpp

 #include <opencv2/opencv.hpp>
+#include "opencv2/core/opengl.hpp"
+
 #include <vector>
 #include <map>
 #include <iostream>
+#ifdef WIN32
+#define WIN32_LEAN_AND_MEAN 1
+#define NOMINMAX 1
+#include <windows.h>
+#endif
+#if defined(_WIN64)
+#include <windows.h>
+#endif
+
+#if defined(__APPLE__)
+#include <OpenGL/gl.h>
+#include <OpenGL/glu.h>
+#else
+#include <GL/gl.h>
+#include <GL/glu.h>
+#endif
 
 using namespace std;
 using namespace cv;
 
+
 void Example_MSER(vector<String> &fileName);
 
 static void help()
@@ -96,10 +115,84 @@ String Legende(SimpleBlobDetector::Params &pAct)
 }
 
 
+const int win_width = 800;
+const int win_height = 640;
+
+struct DrawData
+    {
+    ogl::Arrays arr;
+    ogl::Texture2D tex;
+    ogl::Buffer indices;
+    };
+
+void draw(void* userdata);
+
+void draw(void* userdata)
+    {
+    DrawData* data = static_cast<DrawData*>(userdata);
+
+    glRotated(0.6, 0, 1, 0);
+
+    ogl::render(data->arr, data->indices, ogl::TRIANGLES);
+    }
 
 int main(int argc, char *argv[])
 {
-    
+
+Mat imgcol = imread("../data/lena.jpg");
+namedWindow("OpenGL", WINDOW_OPENGL);
+//resizeWindow("OpenGL", win_width, win_height);
+
+Mat_<Vec3f> vertex(1, 4);
+vertex << Vec3f(-1, 1,0), Vec3f(-1, -1,0), Vec3f(1, -1,1), Vec3f(1, 1,-1);
+
+Mat_<Vec2f> texCoords(1, 4);
+texCoords << Vec2f(0, 0), Vec2f(0, 1), Vec2f(1, 1), Vec2f(1, 0);
+
+Mat_<int> indices(1, 6);
+indices << 0, 1, 2,2, 3, 0;
+
+DrawData *data = new DrawData;
+
+data->arr.setVertexArray(vertex);
+data->arr.setTexCoordArray(texCoords);
+data->indices.copyFrom(indices);
+data->tex.copyFrom(imgcol);
+
+glMatrixMode(GL_PROJECTION);
+glLoadIdentity();
+gluPerspective(45.0, (double)win_width / win_height, 0.1, 100.0);
+
+glMatrixMode(GL_MODELVIEW);
+glLoadIdentity();
+gluLookAt(0, 0, 3, 0, 0, 0, 0, 1, 0);
+
+glEnable(GL_TEXTURE_2D);
+data->tex.bind();
+
+glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+glTexEnvi(GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+glDisable(GL_CULL_FACE);
+
+setOpenGlDrawCallback("OpenGL", draw, data);
+
+for (;;)
+    {
+    updateWindow("OpenGL");
+    int key = waitKey(40);
+    if ((key & 0xff) == 27)
+        break;
+    }
+
+setOpenGlDrawCallback("OpenGL", 0, 0);
+destroyAllWindows();
+
+
+
+
+
+
     vector<String> fileName;
     Example_MSER(fileName);
     Mat img(600,800,CV_8UC1);
@@ -339,6 +432,11 @@ void Example_MSER(vector<String> &fileName)
 
         }
 
+
+
+
+
+
     int channel = 1;
     int histSize =  256 ;
     float range[] = { 0, 256 };