2024-03-30 23:55:56 +00:00
|
|
|
#include <opencv2/core.hpp>
|
|
|
|
#include <opencv2/core/opengl.hpp>
|
|
|
|
#include <opencv2/imgcodecs.hpp>
|
|
|
|
#include <opencv2/imgproc/imgproc.hpp>
|
|
|
|
#include <opencv2/highgui.hpp>
|
|
|
|
|
|
|
|
#include <iostream>
|
|
|
|
|
2024-03-31 02:20:33 +00:00
|
|
|
#ifdef __APPLE__
|
|
|
|
#include <OpenGL/gl.h>
|
|
|
|
#include <OpenGL/gl3.h>
|
|
|
|
#include <GLUT/glut.h>
|
|
|
|
#else
|
|
|
|
#include <GL/glew.h>
|
|
|
|
#include <GL/glut.h>
|
|
|
|
#endif
|
2024-03-30 23:55:56 +00:00
|
|
|
|
|
|
|
using namespace cv;
|
|
|
|
using namespace std;
|
|
|
|
|
|
|
|
Mat image;
|
|
|
|
GLuint imageTexture;
|
|
|
|
|
|
|
|
void displayMe(void)
|
|
|
|
{
|
|
|
|
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
|
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
glTexImage2D( GL_TEXTURE_2D, // Type of texture
|
|
|
|
0, // Pyramid level (for mip-mapping) - 0 is the top level
|
|
|
|
GL_RGB, // Internal colour format to convert to
|
|
|
|
image.cols, // Image width i.e. 640 for Kinect in standard mode
|
|
|
|
image.rows, // Image height i.e. 480 for Kinect in standard mode
|
|
|
|
0, // Border width in pixels (can either be 1 or 0)
|
|
|
|
GL_RGB, // Input image format (i.e. GL_RGB, GL_RGBA, GL_BGR etc.)
|
|
|
|
GL_UNSIGNED_BYTE, // Image data type
|
|
|
|
image.ptr()); // The actual image data itself
|
|
|
|
glEnd();
|
|
|
|
glFlush();
|
|
|
|
}
|
|
|
|
|
|
|
|
int main(int argc, char** argv)
|
|
|
|
{
|
|
|
|
string image_path = samples::findFile("chart.png");
|
|
|
|
Mat image = imread(image_path, IMREAD_COLOR);
|
|
|
|
|
|
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
|
|
glGenTextures(1, &imageTexture);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, imageTexture);
|
|
|
|
|
|
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
|
|
|
|
|
|
// Set texture clamping method
|
|
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
|
|
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
|
|
|
|
|
|
|
|
#if (CV_VERSION_MAJOR >= 4)
|
|
|
|
cvtColor(image, image, cv::COLOR_BGR2RGB);
|
|
|
|
#else
|
|
|
|
cvtColor(image, image, CV_BGR2RGB);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
//GLint dims[4] = {0};
|
|
|
|
//glGetIntegerv(GL_VIEWPORT, dims);
|
|
|
|
//GLint fbWidth = dims[2];
|
|
|
|
//GLint fbHeight = dims[3];
|
|
|
|
//cout << fbWidth << "," << fbHeight << endl;
|
|
|
|
glutInit(&argc, argv);
|
|
|
|
glutInitDisplayMode(GLUT_SINGLE);
|
|
|
|
glutInitWindowSize(1920, 1080);
|
|
|
|
glutInitWindowPosition(0, 0);
|
|
|
|
glutCreateWindow("Hello world!");
|
|
|
|
glutFullScreen();
|
|
|
|
|
|
|
|
glutDisplayFunc(displayMe);
|
|
|
|
glutMainLoop();
|
|
|
|
return 0;
|
|
|
|
}
|