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opengl_opencv_example
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Image displays in proper dimensions.

This commit is contained in:
Matt McWilliams 2024-04-01 18:06:49 -04:00
parent baef478bba
commit f982e4721d
1 changed files with 5 additions and 5 deletions
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10
main.cpp
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@ -34,7 +34,7 @@ void loadTexture (GLuint& imageTexture1)
cout << "image empty" << endl; cout << "image empty" << endl;
} else { } else {
cout << "loaded " << image_path << endl; cout << "loaded " << image_path << endl;
//flip(image, image, 1); flip(image, image, 0);
#if (CV_VERSION_MAJOR >= 4) #if (CV_VERSION_MAJOR >= 4)
cvtColor(image, image, cv::COLOR_BGR2RGB); cvtColor(image, image, cv::COLOR_BGR2RGB);
#else #else
@ -89,10 +89,10 @@ void display(void)
glBindTexture(GL_TEXTURE_2D, imageTexture); glBindTexture(GL_TEXTURE_2D, imageTexture);
glBegin(GL_QUADS); // front face glBegin(GL_QUADS); // front face
glTexCoord2f(0.0f, 0.0f); glVertex3f(1.0f, -1.0f, 0.0f); //bottom right glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 0.0f); //bottom right
glTexCoord2f(1.0f, 0.0f); glVertex3f(1.0f, 1.0f, 0.0f); //top right glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 0.0f); //top right
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 0.0f); //top left glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 0.0f); //top left
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, -1.0f, 0.0f); //bottom left glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 0.0f); //bottom left
glEnd(); glEnd();
glDisable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_2D);
glutSwapBuffers(); glutSwapBuffers();