public void CreateMaskTree_should_work()
{
var memoryStream = GeneratePngStream();
var argbBytes = PngToArgb.Convert(memoryStream, out _, out _);
var alpha32Bytes = ExtractAlpha.ArgbToAlpha32(argbBytes);
var maskTree = MaskTree.Make(alpha32Bytes, Width, Height);
Assert.IsTrue(maskTree == 0b11111110);
memoryStream.Dispose();
}
public unsafe void ExtractAlpha_should_work()
{
var memoryStream = GeneratePngStream();
var argbBytes = PngToArgb.Convert(memoryStream, out _, out _);
var alpha32Bytes = ExtractAlpha.ArgbToAlpha32(argbBytes);
var argbUints = alpha32Bytes.ToUintPtr();
Assert.IsTrue(argbUints[0] == 0xFFFFFFFF);
Assert.IsTrue(argbUints[1] == 0x00000000);
Assert.IsTrue(argbUints[2] == 0x00000000);
Assert.IsTrue(argbUints[3] == 0x00000000);
Assert.IsTrue(argbUints[4 + Width] == 0xFFFFFFFF);
Assert.IsTrue(argbUints[5 + Width] == 0xFFFFFFFF);
Assert.IsTrue(argbUints[6 + Width] == 0xFFFFFFFF);
Assert.IsTrue(argbUints[7 + Width] == 0x00000000);
memoryStream.Dispose();
}
