/// <inheritdoc/>
public override Surface2D CreateSurface(Rectangle region)
{
Contract.EnsureNotDisposed(this, Disposed);
if (region.Left < 0 || region.Top < 0 || region.Right > Width || region.Bottom > Height || region.Width <= 0 || region.Height <= 0)
{
throw new ArgumentOutOfRangeException("region");
}
var copysurf = new SDL2PlatformNativeSurface(region.Width, region.Height);
var srcrect = new SDL_Rect()
{
x = region.X, y = region.Y, w = region.Width, h = region.Height
};
var dstrect = new SDL_Rect()
{
x = 0, y = 0, w = region.Width, h = region.Height
};
if (SDL_BlitSurface(nativesurf.NativePtr, &srcrect, copysurf.NativePtr, &dstrect) < 0)
{
throw new SDL2Exception();
}
var options = SrgbEncoded ? SurfaceOptions.SrgbColor : SurfaceOptions.LinearColor;
var result = new SDL2Surface2D(Ultraviolet, copysurf, options);
return(result);
}
/// <summary>
/// Processes the specified data structure into a game asset.
/// </summary>
/// <param name="manager">The content manager with which the asset is being processed.</param>
/// <param name="metadata">The asset's metadata.</param>
/// <param name="input">The input data structure to process.</param>
/// <returns>The game asset that was created.</returns>
public override Surface2D Process(ContentManager manager, IContentProcessorMetadata metadata, PlatformNativeSurface input)
{
var mdat = metadata.As <SDL2Surface2DProcessorMetadata>();
var srgbEncoded = mdat.SrgbEncoded ?? manager.Ultraviolet.Properties.SrgbDefaultForSurface2D;
var surfOptions = srgbEncoded ? SurfaceOptions.SrgbColor : SurfaceOptions.LinearColor;
var copy = input.CreateCopy();
var result = new SDL2Surface2D(manager.Ultraviolet, copy, surfOptions);
return(result);
}
