public void SetPixel(int x, int y, ref IntColor colour)
{
int index = x + (y * Width);
int col = colour.ToArgb();
Bits[index] = col;
}
public IntColor GetPixel(int x, int y)
{
int index = x + (y * Width);
int col = Bits[index];
IntColor result = IntColor.FromArgb(col);
return(result);
}
public void CopyFromBitmap(Bitmap src)
{
for (int y = 0; y < Height; ++y)
{
for (int x = 0; x < Width; ++x)
{
Color c = src.GetPixel(x, y);
IntColor ic = IntColor.FromArgb(c.A, c.R, c.G, c.B);
SetPixel(x, y, ref ic);
}
}
}
public IntColor ToIntColor(int withAlpha = 255)
{
int r;
int g;
int b;
if (S <= float.Epsilon)
{
r = g = b = (int)Math.Round(L * 255f);
}
else
{
float t1, t2;
float th = H / 6.0f;
if (L < 0.5f)
{
t2 = L * (1f + S);
}
else
{
t2 = (L + S) - (L * S);
}
t1 = 2f * L - t2;
float tr, tg, tb;
tr = th + (1f / 3f);
tg = th;
tb = th - (1f / 3f);
tr = ColorCalc(tr, t1, t2);
tg = ColorCalc(tg, t1, t2);
tb = ColorCalc(tb, t1, t2);
r = (int)Math.Round(tr * 255f);
g = (int)Math.Round(tg * 255f);
b = (int)Math.Round(tb * 255f);
}
return(IntColor.FromArgb(withAlpha, r, g, b));
}
public static HslColor FromIntColor(ref IntColor c)
{
float r = c.r;
float g = c.g;
float b = c.b;
float min = Math.Min(Math.Min(r, g), b);
float max = Math.Max(Math.Max(r, g), b);
float delta = max - min;
float h = 0;
float s = 0;
float l = (max + min) * 0.5f;
if (delta > float.Epsilon)
{
if (l < 0.5f)
{
s = (delta / (max + min));
}
else
{
s = (delta / (2.0f - max - min));
}
if (r == max)
{
h = (g - b) / delta;
}
else if (g == max)
{
h = 2f + (b - r) / delta;
}
else if (b == max)
{
h = 4f + (r - g) / delta;
}
}
return(new HslColor(h, s, l));
}
