Пример #1
0
//--------------------------------------------------------------
void testApp::update(){

  _movie.idleMovie();
  const ofPixelsRef pixels= _movie.getPixelsRef();
  long double reds= 0.0;
  long double blues= 0.0;
  long double greens= 0.0;

  for (int x= 0; x < _movie.width; ++x)
  {
    for (int y= 0; y < _movie.height; ++y)
    {
      reds += pixels.getColor(x, y).r;
      greens += pixels.getColor(x, y).g;
      blues += pixels.getColor(x, y).b;
    }
  }

  // Divide by 10 because ofColor rgb values are in units of 0-1000.
  //
  // Then we multiply by 2.55 to get us on DMX scale and not percentage
  avg_red= int(reds/color_pixels*multiplier)/10*2.55;
  avg_green= int(greens/color_pixels*multiplier)/10*2.55;
  avg_blue= int(blues/color_pixels*multiplier)/10*2.55;

  _dmx.SetChannel(0, avg_red);
  _dmx.SetChannel(1, avg_green);
  _dmx.SetChannel(2, avg_blue);
}
Пример #2
0
//--------------------------------------------------------------
void scene02::applyLUT(ofPixelsRef pix){
	
    if (LUTloaded) {
		
		for(int y = 0; y < pix.getHeight(); y++){
			for(int x = 0; x < pix.getWidth(); x++){
				
				ofColor color = pix.getColor(x, y);
				
				int lutPos [3];
				for (int m=0; m<3; m++) {
					lutPos[m] = color[m] / 8;
					if (lutPos[m]==31) {
						lutPos[m]=30;
					}
				}
				
				ofVec3f start = lut[lutPos[0]][lutPos[1]][lutPos[2]];
				ofVec3f end = lut[lutPos[0]+1][lutPos[1]+1][lutPos[2]+1];
				
				for (int k=0; k<3; k++) {
					float amount = (color[k] % 8) / 8.0f;
					color[k]= (start[k] + amount * (end[k] - start[k])) * 255;
				}
				
				lutImg.setColor(x, y, color);
				
			}
		}
		
		lutImg.update();
	}
    
}
Пример #3
0
//--------------------------------------------------------------
void LedMatrix::grabImageData(ofPixelsRef pixels)
{

    for (unsigned int i = 0; i < pos.size(); i++)
    {
        colors[i] = pixels.getColor(pos[i].x, pos[i].y);
    }

}
Пример #4
0
void LaserGroup::setPixelsColors(ofPixelsRef pixels)
{
    for(auto laser: m_lasers)
    {
        const ofPoint& pos = laser->getPosition();
        ofColor color = pixels.getColor(pos.x*pixels.getWidth(), pos.y*pixels.getHeight());
        laser->setColor(color);
    }
    
    this->updateColor();
}