private bool Iterate(float r, float g, float b, float a, out float outR, out float outG, out float outB, out float outA)
{
HlaeColor x = new HlaeColor(r, g, b, a);
HlaeColor y = new HlaeColor(0, 0, 0, 0);
float s = 0;
for (int iR = 0; iR < (int)resR.Value; ++iR)
{
float fiR = iR / (float)(resR.Value - 1);
for (int iG = 0; iG < (int)resG.Value; ++iG)
{
float fiG = iG / (float)(resG.Value - 1);
for (int iB = 0; iB < (int)resB.Value; ++iB)
{
float fiB = iB / (float)(resB.Value - 1);
for (int iA = 0; iA < (int)resA.Value; ++iA)
{
float fiA = iA / (float)(resA.Value - 1);
HlaeColor xx = new HlaeColor(fiR, fiG, fiB, fiA);
bool hasBest = false;
KeyValuePair <HlaeCommentedColor, HlaeWeightedColor> best = m_Colors.First();
float bestDist = 0;
float dist;
foreach (KeyValuePair <HlaeCommentedColor, HlaeWeightedColor> kvp in m_Colors)
{
dist = xx.CalcDistanceSquared(kvp.Key.Color);
if (!hasBest || dist < bestDist)
{
hasBest = true;
bestDist = dist;
best = kvp;
}
}
if (!hasBest)
{
outR = best.Value.Color.R;
outG = best.Value.Color.G;
outB = best.Value.Color.B;
outA = best.Value.Color.A;
return(false);
}
dist = xx.CalcDistanceSquared(x);
if (dist < bestDist)
{
y = y + best.Value.Color * best.Value.Weight;
s = s + best.Value.Weight;
}
}
}
}
}
if (0 != s)
{
y = y / s;
}
outR = y.R;
outG = y.G;
outB = y.B;
outA = y.A;
previewBitmap.SetPixel(Math.Max(Math.Min(previewBitmap.Width - 1, (int)(r * (float)(previewBitmap.Width - 1) + 0.5f)), 0), Math.Max(Math.Min(previewBitmap.Height - 1, (int)(g * (float)(previewBitmap.Height - 1) + 0.5f)), 0), new HlaeColorUc(y).ToColor());
int curTick = System.Environment.TickCount;
if (1000 <= Math.Abs(curTick - lastTick))
{
lastTick = curTick;
using (Graphics gfx = Graphics.FromImage(preview.Image))
{
gfx.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.Half;
gfx.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
gfx.DrawImage(previewBitmap, 0, 0, preview.Width, preview.Height);
}
trackZ.Value = Math.Max(Math.Min(trackZ.Maximum, (int)(b * (float)(trackZ.Maximum))), 0);
trackW.Value = Math.Max(Math.Min(trackW.Maximum, (int)(a * (float)(trackW.Maximum))), 0);
preview.Refresh();
}
return(true);
}
