private void setHS(Point position)
{
double h = (double)(position.X) / (double)(image2.Width);
double s = (double)(position.Y) / (double)(image2.Height);
h = Math.Max(0.0, Math.Min(1.0, h));
s = Math.Max(0.0, Math.Min(1.0, s));
_HSLColour._H = h;
_HSLColour._S = s;
_Colour = _HSLColour.GetColour();
RenderSwatches();
}
private void RenderHS()
{
int width = (int)image2.Width;
int height = (int)image2.Height;
byte[] pixels = new byte[4 * height * width];
WriteableBitmap writeableBitmap = new WriteableBitmap(width, height, 96, 96, PixelFormats.Bgra32, null);
int p = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
float floatx = (float)x / (float)(width - 1);
float floaty = (float)y / (float)(height - 1);
HSLColour hslcol = new HSLColour(floatx, floaty, _HSLColour._L);
Colour col = hslcol.GetColour();
col.Clamp(0, 1);
pixels[p * 4] = (byte)(col._Blue * 255.99f);
pixels[p * 4 + 1] = (byte)(col._Green * 255.99f);
pixels[p * 4 + 2] = (byte)(col._Red * 255.99f);
pixels[p * 4 + 3] = 255;
p++;
}
}
Int32Rect rect = new Int32Rect(0, 0, width, height);
writeableBitmap.WritePixels(rect, pixels, width * 4, (int)0);
image2.Source = writeableBitmap;
}
private void RenderSwatches()
{
HSLColour col = new HSLColour(1, 0.5, 0.5);
Colour bob = col.GetColour();
RenderHS();
RenderL();
RenderCol();
}
