/// <summary>
/// Invert green channel of the selected texture 2D
/// </summary>
public static void FlipGreenChannel()
{
try
{
string sourcePath = MegascansUtilities.GetSelectedTexture();
if (sourcePath == null)
{
return;
}
EditorUtility.DisplayProgressBar("Bridge Plugin", "Flipping green channel...", 0.5f);
UnityEngine.Color[] rgbCols = ImportJPG(sourcePath).GetPixels();
UnityEngine.Color[] rgbaCols = new UnityEngine.Color[width * height];
for (int i = 0; i < width * height; ++i)
{
rgbaCols[i] = rgbCols != null ? rgbCols[i] : new UnityEngine.Color(1.0f, 1.0f, 1.0f);
rgbaCols[i].g = 1.0f - rgbaCols[i].g;
rgbaCols[i].a = 1.0f;
}
Texture2D tex = new Texture2D(width, height, TextureFormat.RGBAFloat, false);
tex.SetPixels(rgbaCols);
File.WriteAllBytes(sourcePath, tex.EncodeToPNG());
AssetDatabase.ImportAsset(sourcePath);
MegascansUtilities.HideProgressBar();
Debug.Log("Successfully flipped green channel.");
}
catch (Exception ex)
{
Debug.Log("Exception::MegascansImageUtils::Flip Green Channel:: " + ex.ToString());
MegascansUtilities.HideProgressBar();
}
}
