/// <summary>
/// Function to load the associated sprite texture based on the project metadata.
/// </summary>
/// <param name="graphics">The graphics interface to use when looking up or creating the texture.</param>
/// <param name="fileSystem">The file system containing the file to load.</param>
/// <param name="metadata">The metadata for the project.</param>
/// <param name="imagePath">The path to the image.</param>
/// <param name="usage">The intended usage for the texture.</param>
/// <param name="codecs">The list of available codecs.</param>
/// <returns>A new texture containing the sprite texture data.</returns>
private static GorgonTexture2D GetTexture(GorgonGraphics graphics, IGorgonFileSystem fileSystem, IProjectMetadata metadata, string imagePath, ResourceUsage usage, IReadOnlyDictionary <string, IGorgonImageCodec> codecs)
{
bool shouldConvertToPremultiplied = false;
// First, check to see if this texture isn't already loaded into memory.
GorgonTexture2D texture = graphics.LocateResourcesByName <GorgonTexture2D>(imagePath).FirstOrDefault();
if (texture != null)
{
return(texture);
}
if (!metadata.ProjectItems.TryGetValue(imagePath, out ProjectItemMetadata textureMetadata))
{
return(null);
}
if (textureMetadata.Attributes.TryGetValue("PremultipliedAlpha", out string isPremultiplied))
{
#pragma warning disable CA1806 // Do not ignore method results
bool.TryParse(isPremultiplied, out shouldConvertToPremultiplied);
#pragma warning restore CA1806 // Do not ignore method results
}
if ((!textureMetadata.Attributes.TryGetValue(CommonEditorConstants.ContentTypeAttr, out string contentType)) ||
(!string.Equals(contentType, CommonEditorContentTypes.ImageType, StringComparison.OrdinalIgnoreCase)) ||
(!textureMetadata.Attributes.TryGetValue("ImageCodec", out string imageCodecTypeName)) ||
(!codecs.TryGetValue(imageCodecTypeName, out IGorgonImageCodec codec)))
{
return(null);
}
IGorgonVirtualFile file = fileSystem.GetFile(imagePath);
if (file == null)
{
return(null);
}
using (Stream fileStream = file.OpenStream())
{
texture = GorgonTexture2D.FromStream(graphics, fileStream, codec, file.Size, new GorgonTexture2DLoadOptions
{
ConvertToPremultipliedAlpha = shouldConvertToPremultiplied,
IsTextureCube = false,
Name = file.FullPath,
Binding = TextureBinding.ShaderResource,
Usage = (((usage & ResourceUsage.None) == ResourceUsage.None) || ((usage & ResourceUsage.Staging) == ResourceUsage.Staging)) ? ResourceUsage.Default : usage
});
}
return(texture);
}
