60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
#include <opencv2/core.hpp>
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#include <opencv2/core/opengl.hpp>
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#include <opencv2/imgcodecs.hpp>
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#include <opencv2/imgproc/imgproc.hpp>
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#include <opencv2/highgui.hpp>
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#include <iostream>
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#ifdef __APPLE__
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#include <OpenGL/gl.h>
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#include <OpenGL/gl3.h>
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#include <GLUT/glut.h>
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#else
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#include <GL/glew.h>
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#include <GL/glut.h>
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#endif
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using namespace cv;
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using namespace std;
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Mat image;
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GLuint imageTexture;
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void displayMe(void)
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{
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// Set every pixel in the frame buffer to the current clear color.
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glClear(GL_COLOR_BUFFER_BIT);
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glBegin(GL_POLYGON);
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glColor3f(1, 0, 0); glVertex3f(-1.0, -1.0, 0.5);
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glColor3f(0, 1, 0); glVertex3f(1.0, -1.0, 0);
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glColor3f(0, 0, 1); glVertex3f(1.0, 1.0, 0);
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glVertex3f(-1.0, 1.0, 0);
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glEnd();
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// Flush drawing command buffer to make drawing happen as soon as possible.
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glFlush();
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}
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int main(int argc, char** argv)
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{
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string image_path = samples::findFile("chart.png");
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Mat image = imread(image_path, IMREAD_COLOR);
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#if (CV_VERSION_MAJOR >= 4)
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cvtColor(image, image, cv::COLOR_BGR2RGB);
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#else
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cvtColor(image, image, CV_BGR2RGB);
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#endif
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glutInit(&argc, argv);
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glutInitDisplayMode(GLUT_SINGLE);
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glutInitWindowSize(1920, 1080);
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glutInitWindowPosition(0, 0);
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glutCreateWindow("opengl_opencv_example");
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glutFullScreen();
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glutDisplayFunc(displayMe);
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glutMainLoop();
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return 0;
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} |