public void Write(Color64 value)
{
Write(value.r);
Write(value.g);
Write(value.b);
Write(value.a);
}
public void ConversionTest()
{
Color32 c = Color32.FromArgb(0x11223344);
Color64 c64 = new Color64(c);
Assert.AreEqual(c, c64.ToColor32());
}
public void UnionTest(ulong value, ushort a, ushort r, ushort g, ushort b)
{
Color64 c = new Color64(value);
Assert.AreEqual(a, c.A);
Assert.AreEqual(r, c.R);
Assert.AreEqual(g, c.G);
Assert.AreEqual(b, c.B);
c = new Color64(a, r, g, b);
Assert.AreEqual(value, (ulong)c.ToArgb());
}
public static Color64[,] Scale16(Color32[,] sourcePixels)
{
var sourceWidth = sourcePixels.GetLength(1);
var sourceHeight = sourcePixels.GetLength(0);
var destinationWidth = (int)Math.Floor(sourceWidth / 16.0);
var destinationHeight = (int)Math.Floor(sourceHeight / 16.0);
var destinationPixels = new Color64[destinationHeight, destinationWidth];
Parallel.For(0, destinationWidth, i =>
{
var ii = i * 16;
Parallel.For(0, destinationHeight, j =>
{
var sum = new int[4];
var jj = j * 16;
for (var x = 0; x < 16; x++)
{
var iii = ii + x;
for (var y = 0; y < 16; y++)
{
var jjj = jj + y;
sum[0] += sourcePixels[jjj, iii].r;
sum[1] += sourcePixels[jjj, iii].g;
sum[2] += sourcePixels[jjj, iii].b;
sum[3] += sourcePixels[jjj, iii].a;
}
}
destinationPixels[j, i].r = (ushort)(257 * sum[0] / 256);
destinationPixels[j, i].g = (ushort)(257 * sum[1] / 256);
destinationPixels[j, i].b = (ushort)(257 * sum[2] / 256);
destinationPixels[j, i].a = (ushort)(257 * sum[3] / 256);
});
});
return(destinationPixels);
}
