public void MetallicSmoothness()
{
using (var gradation = new MagickImage(linearGradationPath))
using (var msmap = MagickImageUtility.GenerateMetallicSmoothness(gradation, false, gradation, false))
{
Assert.AreEqual(ColorSpace.sRGB, msmap.ColorSpace);
Assert.True(msmap.HasAlpha);
var pixels = msmap.GetPixels();
for (int x = 0; x < 256; x++)
{
var v = pixels.GetValue(x, 0);
Assert.AreEqual(4, v.Length);
Assert.AreEqual(257 * x, v[0]); // 257 * 255 = 65535
Assert.AreEqual(0, v[1]);
Assert.AreEqual(0, v[2]);
Assert.AreEqual(257 * x, v[3]);
}
msmap.Write(msMapPath, MagickFormat.Png32);
}
using (var msmap = new MagickImage(msMapPath))
{
Assert.AreEqual(ColorSpace.sRGB, msmap.ColorSpace);
Assert.True(msmap.HasAlpha);
var pixels = msmap.GetPixels();
for (int x = 0; x < 256; x++)
{
var v = pixels.GetValue(x, 0);
Assert.AreEqual(4, v.Length);
Assert.AreEqual(257 * x, v[0]); // 257 * 255 = 65535
Assert.AreEqual(0, v[1]);
Assert.AreEqual(0, v[2]);
Assert.AreEqual(257 * x, v[3]);
}
}
}
/// <summary>
/// Generate and save MSMap.
/// </summary>
/// <param name="destPath">File path to save.</param>
internal void GenerateMetallicSmoothness(string destPath)
{
using (var metallic = metallicMap ? MagickImageUtility.GetMagickImage(metallicMap) : new MagickImage(MagickColors.White, 2, 2))
using (var smoothness = smoothnessMap ? MagickImageUtility.GetMagickImage(smoothnessMap) : new MagickImage(MagickColors.White, 2, 2))
using (var msMap = MagickImageUtility.GenerateMetallicSmoothness(metallic, false, smoothness, invertSmoothness && smoothnessMap))
{
MagickImageUtility.SaveAsAsset(destPath, msMap, MagickFormat.Png32, false);
}
}
