public HLSRGB(HLSRGB hlsrgb)
{
this.red = hlsrgb.Red;
this.blue = hlsrgb.Blue;
this.green = hlsrgb.Green;
this.luminance = hlsrgb.Luminance;
this.hue = hlsrgb.Hue;
this.saturation = hlsrgb.Saturation;
}
public HLSRGB(HLSRGB hlsrgb)
{
mRed = hlsrgb.Red;
mBlue = hlsrgb.Blue;
mGreen = hlsrgb.Green;
mLuminance = hlsrgb.Luminance;
mHue = hlsrgb.Hue;
mSaturation = hlsrgb.Saturation;
}
public HLSRGB(HLSRGB hlsrgb)
{
this.red = hlsrgb.Red;
this.blue = hlsrgb.Blue;
this.green = hlsrgb.Green;
this.luminance = hlsrgb.Luminance;
this.hue = hlsrgb.Hue;
this.saturation = hlsrgb.Saturation;
}
private void CreateColorsCache()
{
HLSRGB hls = new HLSRGB(0.0, 0.5, 1.0);
colors = new Color[360];
for (hls.Hue = 0; hls.Hue < 360; hls.Hue++)
{
colors[(int)hls.Hue] = hls.Color;
}
}
public static void Colorize(Bitmap image, Color targetColor)
{
HLSRGB target = new HLSRGB(targetColor);
// iterate through each pixel in the image and set it's hue to match what we want
for (int j = 0; j < image.Height; j++) {
for (int i = 0; i < image.Width; i++) {
Color originalColor = image.GetPixel(i, j);
HLSRGB pixel = new HLSRGB(originalColor);
pixel.Hue = target.Hue;
pixel.Saturation = target.Saturation;
image.SetPixel(i, j, Color.FromArgb(originalColor.A, pixel.Color));
}
}
}
public static void Colorize(Bitmap image, Color targetColor)
{
HLSRGB target = new HLSRGB(targetColor);
// iterate through each pixel in the image and set it's hue to match what we want
for (int j = 0; j < image.Height; j++)
{
for (int i = 0; i < image.Width; i++)
{
Color originalColor = image.GetPixel(i, j);
HLSRGB pixel = new HLSRGB(originalColor);
pixel.Hue = target.Hue;
pixel.Saturation = target.Saturation;
image.SetPixel(i, j, Color.FromArgb(originalColor.A, pixel.Color));
}
}
}
private void DrawFluidColor(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
for (int y = 0; y < fluid.size; y++)
{
for (int x = 0; x < fluid.size; x++)
{
double d = fluid.density[fluid.Ix(x, y, z)];
HLSRGB hls = new HLSRGB(360.0 * Math.Min(1.0, d),
Math.Min(1.0, d),
1.0)
{
//Hue = 360.0 * Math.Sqrt(Math.Pow(fluid.Vx[ix], 2) + Math.Pow(fluid.Vy[ix], 2)),
Alpha = (int)(255 * d * 4)
};
using SolidBrush b = new SolidBrush(hls.Color);
g.FillRectangle(b, x * zoom, y * zoom, zoom, zoom);
}
}
}