makeGradientEdge_texture

gistfile1.txt

    void makeGradientEdge_texture(int _x, int _y, float _scale, int _rotate90, ofMatrix4x4 _transformationMatrix, ofFbo & fbo){
        
        ofMatrix4x4 translate_offset;
        translate_offset.makeTranslationMatrix(_x,_y,0);
        
        ofMatrix4x4 scale_0;
        scale_0.makeScaleMatrix(_scale,_scale,1);
        
        ofMatrix4x4 temp_rotateM;
        
        temp_rotateM.makeRotationMatrix(_rotate90*90, 0,0,1);
        
        ofMatrix4x4 main_0;

        main_0 =  _transformationMatrix * scale_0 * translate_offset;
        
//        gradientFBO_texture.clear();
        
       
        gradientFBO_texture.begin();
        ofClear(0, 0, 0, 0);  // Clear the FBO
        gradientShader.begin();
        gradientShader.setUniform1f("uGradientWidth", gradientAmount); // or some other value 0.1 = 10% of size
        gradientShader.setUniform1f("uGradientStrength", gradientStrengthValue);
        gradientShader.setUniform1f("uGradientThreshold", gradientThresholdValue);
        
        ofPushMatrix();
        //apply transformation to level eyes and scale face
        ofMultMatrix(main_0);
        tracker_object->camera_object->vidSource_img.draw(0,0); // Draw the texture full size on the FBO
        ofPopMatrix();
        
        gradientShader.end();
        gradientFBO_texture.end();
        
        ofPixels mPix;
        gradientFBO_texture.readToPixels( mPix );
        if( mPix.getWidth() > 0 && mPix.getHeight() > 0 ) {
            ofSaveImage(mPix, "outputImage.png", OF_IMAGE_QUALITY_HIGH);
        } else {
          
        }
    }