protected override unsafe void OnUpdateFaderImage(Bitmap bmp)
{
if (bmp.PixelFormat != PixelFormat.Format32bppArgb) return;
BitmapData bd = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height),
ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
ColorBgra* scan0 = (ColorBgra*) bd.Scan0;
//draw fader image
LAB curr = new LAB(0.0, _color.a, _color.b);
double delta_L = 100.0/(double) bd.Width;
for (int x = 0; x < bd.Width; x++, scan0++,curr.L += delta_L) {
scan0[0] = ColorBgra.FromArgb(curr.ToXYZ().ToRGB());
}
//end
bmp.UnlockBits(bd);
}
protected unsafe override void OnUpdatePlaneImage(Bitmap bmp)
{
if(bmp.PixelFormat!=PixelFormat.Format32bppArgb) return;
BitmapData bd=bmp.LockBits(new Rectangle(0,0,bmp.Width,bmp.Height),
ImageLockMode.WriteOnly,PixelFormat.Format32bppArgb);
ColorBgra* scan0=(ColorBgra*)bd.Scan0;
//draw plane image
LAB curr=new LAB(100.0,_color.a,-128.0);
double
delta_L=-100.0/(double)bd.Height,
delta_b=255.0/(double)bd.Width;
for(int y=0; y<bd.Height; y++, curr.b=-128.0, curr.L+=delta_L)
{
for(int x=0; x<bd.Width; x++, scan0++,curr.b+=delta_b)
{
scan0[0]=ColorBgra.FromArgb(curr.ToXYZ().ToRGB());
}
}
//end
bmp.UnlockBits(bd);
}