private TransformationRGBtoLUV getLUVbyColor(Color color)
{
TransformationRGBtoLUV trans = new TransformationRGBtoLUV(Convert.ToString(color.R),
Convert.ToString(color.G), Convert.ToString(color.B));
return(trans);
}
private TransformationRGBtoLUV getDef(TransformationRGBtoLUV oldColor, TransformationRGBtoLUV newColor)
{
TransformationRGBtoLUV def = new TransformationRGBtoLUV("0", "0", "0");
def.setL(oldColor.getL() - newColor.getL());
def.setU(oldColor.getU() - newColor.getU());
def.setV(oldColor.getV() - newColor.getV());
return(def);
}
private bool isChangedPixel(TransformationRGBtoLUV pixel, TransformationRGBtoLUV newLUV, int senset)
{
double def1 = Math.Pow((pixel.getL() - newLUV.getL()), 2);
double def2 = Math.Pow(pixel.getU() - newLUV.getU(), 2);
double def3 = Math.Pow(pixel.getV() - newLUV.getV(), 2);
double def = Math.Pow(def1 + def2 + def3, 0.5);
if (def < senset)
{
return(true);
}
else
{
return(false);
}
}
private void processButton_Click(object sender, EventArgs e)
{
if (isOpenImage)
{
this.Cursor = System.Windows.Forms.Cursors.WaitCursor;
Bitmap layerOrig = (Bitmap)pbOriginalImage.Image;
Bitmap layerNew = new Bitmap(layerOrig.Width, layerOrig.Height);
processButton.Enabled = false;
chooseColorButton.Enabled = false;
progressBar1.Maximum = layerOrig.Height - 1;
TransformationRGBtoLUV oldLUV = getLUVbyColor(pbOldColor.BackColor);
TransformationRGBtoLUV newLUV = getLUVbyColor(pbNewColor.BackColor);
TransformationRGBtoLUV defLUV = getDef(oldLUV, newLUV);
for (int y = 0; y < layerOrig.Height; y++)
{
for (int x = 0; x < layerOrig.Width; x++)
{
Color pixel = layerOrig.GetPixel(x, y);
TransformationRGBtoLUV pixelLUV = getLUVbyColor(pixel);
if (isChangedPixel(pixelLUV, oldLUV, sensetiveTrackBar.Value))
{
layerNew.SetPixel(x, y, findNewPixel(pixelLUV, defLUV));
}
else
{
layerNew.SetPixel(x, y, pixel);
}
pbNewImage.Image = layerNew;
}
progressBar1.Value = y;
}
this.Cursor = System.Windows.Forms.Cursors.Default;
processButton.Enabled = true;
chooseColorButton.Enabled = true;
}
}
private Color findNewPixel(TransformationRGBtoLUV pixelLUV, TransformationRGBtoLUV def)
{
TransformationRGBtoLUV newPixel = new TransformationRGBtoLUV("0", "0", "0");
newPixel.setL(pixelLUV.getL() - def.getL());
newPixel.setU(pixelLUV.getU() - def.getU());
newPixel.setV(pixelLUV.getV() - def.getV());
TransformationLUVtoRGB newPixelRGB = new TransformationLUVtoRGB(Convert.ToString(newPixel.getL()),
Convert.ToString(newPixel.getU()), Convert.ToString(newPixel.getV()));
int red = newPixelRGB.getRed();
int green = newPixelRGB.getGreen();
int blue = newPixelRGB.getBlue();
if (red < 0)
{
red = 0;
}
else if (red > 255)
{
red = 255;
}
if (blue < 0)
{
blue = 0;
}
else if (blue > 255)
{
blue = 255;
}
if (green < 0)
{
green = 0;
}
else if (green > 255)
{
green = 255;
}
Color pix = Color.FromArgb(255, red, green, blue);
return(pix);
}
