public override Bitmap DrawBitmap(OrbitMap m, RenderOptions rp, CalculationOptions co, Constraints[] orbitConstraints)
{
Bitmap b = new Bitmap(rp.CanvasWidth, rp.CanvasHeight, PixelFormat.Format32bppRgb);
BitmapData bd = b.LockBits(new Rectangle(0, 0, rp.CanvasWidth, rp.CanvasHeight), ImageLockMode.ReadWrite, PixelFormat.Format32bppRgb);
uint maxIter = m.Max(o => o.Iterations);
foreach (Orbit o in m)
{
if (o.X >= 0 && o.X < b.Width &&
o.Y >= 0 && o.Y < b.Height)
{
uint gray = ColorFunc(o.Iterations, co.IterationCount);
Marshal.WriteInt32(bd.Scan0 + o.Y * bd.Stride + o.X * 4,
unchecked((int)((gray << 24) | (gray << 16) | (gray << 8) | gray)));
}
}
b.UnlockBits(bd);
return b;
}
public unsafe override Bitmap DrawBitmap(OrbitMap m, RenderOptions rp, CalculationOptions co, Constraints[] orbitConstraints)
{
Bitmap b = new Bitmap(rp.CanvasWidth, rp.CanvasHeight, PixelFormat.Format32bppRgb);
BitmapData bd = b.LockBits(new Rectangle(0, 0, rp.CanvasWidth, rp.CanvasHeight), ImageLockMode.ReadWrite, PixelFormat.Format32bppRgb);
uint maxIter = m.Max(o => o.Iterations);
uint* pixels = (uint*)bd.Scan0.ToPointer();
foreach (Orbit o in m)
{
if (o.X >= 0 && o.X < b.Width &&
o.Y >= 0 && o.Y < b.Height)
{
uint gray = ColorFunc(o.Iterations, co.IterationCount);
pixels[o.Y * bd.Stride / 4 + o.X] = (gray << 24) | (gray << 16) | (gray << 8) | gray;
}
}
b.UnlockBits(bd);
return b;
}