public static ResultStatus ImportTextureImage(TextureTool textureTool, TexImage texImage, ImportParameters parameters, CancellationToken cancellationToken, Logger logger) { var assetManager = new AssetManager(); // Apply transformations textureTool.Decompress(texImage, parameters.IsSRgb); if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded { return(ResultStatus.Cancelled); } var fromSize = new Size2(texImage.Width, texImage.Height); var targetSize = parameters.DesiredSize; // Resize the image if (parameters.IsSizeInPercentage) { targetSize = new Size2((int)(fromSize.Width * targetSize.Width / 100.0f), (int)(fromSize.Height * targetSize.Height / 100.0f)); } // Find the target size targetSize = FindBestTextureSize(parameters, fromSize, targetSize, logger); // Resize the image only if needed if (targetSize != fromSize) { textureTool.Resize(texImage, targetSize.Width, targetSize.Height, Filter.Rescaling.Lanczos3); } if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded { return(ResultStatus.Cancelled); } // texture size is now determined, we can cache it var textureSize = new Int2(texImage.Width, texImage.Height); // Apply the color key if (parameters.ColorKeyEnabled) { textureTool.ColorKey(texImage, parameters.ColorKeyColor); } if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded { return(ResultStatus.Cancelled); } // Pre-multiply alpha if (parameters.PremultiplyAlpha) { textureTool.PreMultiplyAlpha(texImage); } if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded { return(ResultStatus.Cancelled); } // Generate mipmaps if (parameters.GenerateMipmaps) { var boxFilteringIsSupported = texImage.Format != PixelFormat.B8G8R8A8_UNorm_SRgb || (MathUtil.IsPow2(textureSize.X) && MathUtil.IsPow2(textureSize.Y)); textureTool.GenerateMipMaps(texImage, boxFilteringIsSupported? Filter.MipMapGeneration.Box: Filter.MipMapGeneration.Linear); } if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded { return(ResultStatus.Cancelled); } // Convert/Compress to output format // TODO: Change alphaFormat depending on actual image content (auto-detection)? var outputFormat = DetermineOutputFormat(parameters, textureSize, texImage.Format, texImage.GetAlphaDepth()); textureTool.Compress(texImage, outputFormat, (TextureConverter.Requests.TextureQuality)parameters.TextureQuality); if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded { return(ResultStatus.Cancelled); } // Save the texture using (var outputImage = textureTool.ConvertToParadoxImage(texImage)) { if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded { return(ResultStatus.Cancelled); } assetManager.Save(parameters.OutputUrl, outputImage.ToSerializableVersion()); logger.Info("Compression successful [{3}] to ({0}x{1},{2})", outputImage.Description.Width, outputImage.Description.Height, outputImage.Description.Format, parameters.OutputUrl); } return(ResultStatus.Successful); }