/// <summary>
/// Convert the specified image.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="libraryData">The library data.</param>
/// <param name="request">The decompression request</param>
/// <exception cref="TextureToolsException">Decompression failed</exception>
private void Convert(TexImage image, DxtTextureLibraryData libraryData, ConvertingRequest request)
{
// TODO: temp if request format is SRGB we force it to non-srgb to perform the conversion. Will not work if texture input is SRGB
var outputFormat = request.Format.IsSRgb() ? request.Format.ToNonSRgb() : request.Format;
Log.Debug($"Converting texture from {(PixelFormat)libraryData.Metadata.format} to {outputFormat}");
var scratchImage = new ScratchImage();
var hr = Utilities.Convert(libraryData.DxtImages, libraryData.DxtImages.Length, ref libraryData.Metadata, (DXGI_FORMAT)outputFormat, TEX_FILTER_FLAGS.TEX_FILTER_BOX, 0.0f, scratchImage);
if (hr != HRESULT.S_OK)
{
Log.Error("Converting failed: " + hr);
throw new TextureToolsException("Converting failed: " + hr);
}
// Freeing Memory
if (image.DisposingLibrary != null)
{
image.DisposingLibrary.Dispose(image);
}
libraryData.Image = scratchImage;
libraryData.DxtImages = libraryData.Image.GetImages();
libraryData.Metadata = libraryData.Image.metadata;
image.DisposingLibrary = this;
// adapt the image format based on desired output format
ChangeDxtImageType(libraryData, (DXGI_FORMAT)request.Format);
UpdateImage(image, libraryData);
}
public bool CanHandleRequest(TexImage image, IRequest request)
{
switch (request.Type)
{
case RequestType.Loading:
LoadingRequest loader = (LoadingRequest)request;
return(loader.Mode == LoadingRequest.LoadingMode.FilePath && SupportedExtensions.Contains(Path.GetExtension(loader.FilePath)));
case RequestType.Compressing:
CompressingRequest compress = (CompressingRequest)request;
return(SupportFormat(compress.Format) && SupportFormat(image.Format));
case RequestType.Converting:
ConvertingRequest converting = (ConvertingRequest)request;
return(SupportFormat(converting.Format) && SupportFormat(converting.Format));
case RequestType.Export:
return(SupportFormat(image.Format) && Path.GetExtension(((ExportRequest)request).FilePath).Equals(".dds"));
case RequestType.Rescaling:
RescalingRequest rescale = (RescalingRequest)request;
return(rescale.Filter == Filter.Rescaling.Box || rescale.Filter == Filter.Rescaling.Bicubic || rescale.Filter == Filter.Rescaling.Bicubic || rescale.Filter == Filter.Rescaling.Nearest);
case RequestType.Decompressing:
return(SupportFormat(image.Format));
case RequestType.PreMultiplyAlpha:
case RequestType.MipMapsGeneration:
case RequestType.NormalMapGeneration:
return(true);
default:
return(false);
}
}
