public Texture2DWrapper Load(AssetLoaderContext context, string assetName)
#endif
{
ImageResult result = null;
using (var stream = context.Open(assetName))
{
if (stream.CanSeek)
{
result = ImageResult.FromStream(stream, ColorComponents.RedGreenBlueAlpha);
}
else
{
// If stream doesnt provide seek functionaly, use MemoryStream instead
using (var ms = new MemoryStream())
{
stream.CopyTo(ms);
ms.Seek(0, SeekOrigin.Begin);
result = ImageResult.FromStream(ms, ColorComponents.RedGreenBlueAlpha);
}
}
}
// Premultiply Alpha
var b = result.Data;
for (var i = 0; i < result.Data.Length; i += 4)
{
var a = b[i + 3];
b[i] = ApplyAlpha(b[i], a);
b[i + 1] = ApplyAlpha(b[i + 1], a);
b[i + 2] = ApplyAlpha(b[i + 2], a);
}
#if MONOGAME || FNA || STRIDE
var texture = CrossEngineStuff.CreateTexture(MyraEnvironment.GraphicsDevice, result.Width, result.Height);
CrossEngineStuff.SetTextureData(texture, new Rectangle(0, 0, result.Width, result.Height), result.Data);
return(texture);
#else
var texture = MyraEnvironment.Platform.CreateTexture(result.Width, result.Height);
MyraEnvironment.Platform.SetTextureData(texture, new Rectangle(0, 0, result.Width, result.Height), result.Data);
return(new Texture2DWrapper(result.Width, result.Height, texture));
#endif
}