C++ (Cpp) setHSL Examples

Example #1

File: color.cpp Project: RobertoMalatesta/three-cpp

Color& Color::offsetHSL( float h, float s, float l ) {

  auto hsl = getHSL();

  hsl.h += h; hsl.s += s; hsl.l += l;

  setHSL( hsl.h, hsl.s, hsl.l );

  return *this;

}

Example #2

File: Image.cpp Project: yn295636/PhotoEmotion

void Image::emotion(int x, int y, float degree){
    int imageWidth = m_width;
    int imageHeight = m_height;
    long pixelCount = imageHeight * imageWidth;
    
    long tapPixelIndex = getIndexOfPoint(x, y);
    int step = m_channels;
    
    struct HSL baseHSL;
    struct RGB baseRGB;
    setRGB(m_imageData[tapPixelIndex*step + 0], m_imageData[tapPixelIndex*step + 1], m_imageData[tapPixelIndex*step + 2], &baseRGB);
    rgb2HSL(&baseRGB, &baseHSL);
    
    struct HSL hsl;
    struct RGB rgb;
    for (long index = 0; index < pixelCount; index++) {
        long arrayIndex = index*step;
        int red = m_imageData[arrayIndex + 0];
        int green = m_imageData[arrayIndex + 1];
        int blue = m_imageData[arrayIndex + 2];
        setRGB(red, green, blue, &rgb);
        rgb2HSL(&rgb, &hsl);
        
        float rate = analogicalRateWithBaseHSL(&baseHSL, &hsl, degree);
        if (rate < 0) {
            setHSL(0, 0, hsl.Lummiance, &hsl);
            hsl2RGB(&hsl, &rgb);
            m_imageData[arrayIndex + 0] = rgb.Red;
            m_imageData[arrayIndex + 1] = rgb.Green;
            m_imageData[arrayIndex + 2] = rgb.Blue;
        }else if(rate > 0.001f){
            int newSa = rate * hsl.Saturation;
            setHSL(hsl.Hue, newSa, hsl.Lummiance, &hsl);
            hsl2RGB(&hsl, &rgb);
            m_imageData[arrayIndex + 0] = rgb.Red;
            m_imageData[arrayIndex + 1] = rgb.Green;
            m_imageData[arrayIndex + 2] = rgb.Blue;
        }
    }

}