protected override Task<ResultStatus> DoCommandOverride(ICommandContext commandContext)
{
var assetManager = new AssetManager();
// Load image
var image = assetManager.Load<Image>(InputUrl);
// Initialize TextureTool library
using (var texTool = new TextureTool())
using (var texImage = texTool.Load(image))
{
var outputFormat = Format.HasValue ? Format.Value : image.Description.Format;
// Apply transformations
texTool.Decompress(texImage);
if (IsAbsolute)
{
texTool.Resize(texImage, (int)Width, (int)Height, Filter.Rescaling.Lanczos3);
}
else
{
texTool.Rescale(texImage, Width / 100.0f, Height / 100.0f, Filter.Rescaling.Lanczos3);
}
// Generate mipmaps
if (GenerateMipmaps)
{
texTool.GenerateMipMaps(texImage, Filter.MipMapGeneration.Box);
}
// Convert/Compress to output format
texTool.Compress(texImage, outputFormat);
// Save
using (var outputImage = texTool.ConvertToParadoxImage(texImage))
{
assetManager.Save(OutputUrl, outputImage);
commandContext.Logger.Verbose("Compression successful [{3}] to ({0}x{1},{2})",
outputImage.Description.Width,
outputImage.Description.Height, outputImage.Description.Format, OutputUrl);
}
}
return Task.FromResult(ResultStatus.Successful);
}
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);
// Special case when the input texture is monochromatic but it is supposed to be a color and we are working in SRGB
// In that case, we need to transform it to a supported SRGB format (R8G8B8A8_UNorm_SRgb)
// TODO: As part of a conversion phase, this code may be moved to a dedicated method in this class at some point
if (parameters.TextureHint == TextureHint.Color && parameters.IsSRgb && (texImage.Format == PixelFormat.R8_UNorm || texImage.Format == PixelFormat.A8_UNorm))
{
textureTool.Convert(texImage, PixelFormat.R8G8B8A8_UNorm_SRgb);
}
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, 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);
// determine the alpha format of the texture when set to Auto
// Note: this has to be done before the ColorKey transformation in order to be able to take advantage of image file AlphaDepth information
if(parameters.DesiredAlpha == AlphaFormat.Auto)
{
var colorKey = parameters.ColorKeyEnabled? (Color?)parameters.ColorKeyColor : null;
var alphaLevel = textureTool.GetAlphaLevels(texImage, new Rectangle(0, 0, textureSize.X, textureSize.Y), colorKey, logger);
parameters.DesiredAlpha = alphaLevel.ToAlphaFormat();
}
// 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 only for relevant formats
if (parameters.PremultiplyAlpha && texImage.Format.HasAlpha32Bits())
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.IsSRgb() || (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);
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;
}
public static ResultStatus ImportAndSaveTextureImage(UFile sourcePath, string outputUrl, TextureAsset textureAsset, TextureConvertParameters parameters, CancellationToken cancellationToken, Logger logger)
{
var assetManager = new AssetManager();
using (var texTool = new TextureTool())
using (var texImage = texTool.Load(sourcePath, textureAsset.SRgb))
{
// Apply transformations
texTool.Decompress(texImage, textureAsset.SRgb);
if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded
return ResultStatus.Cancelled;
var fromSize = new Size2(texImage.Width, texImage.Height);
var targetSize = new Size2((int)textureAsset.Width, (int)textureAsset.Height);
// Resize the image
if (textureAsset.IsSizeInPercentage)
{
targetSize = new Size2((int)(fromSize.Width * (float)textureAsset.Width / 100.0f), (int)(fromSize.Height * (float) textureAsset.Height / 100.0f));
}
// Find the target size
targetSize = FindBestTextureSize(textureAsset.Format, parameters.GraphicsPlatform, parameters.GraphicsProfile, fromSize, targetSize, textureAsset.GenerateMipmaps, logger);
// Resize the image only if needed
if (targetSize != fromSize)
{
texTool.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 (textureAsset.ColorKeyEnabled)
texTool.ColorKey(texImage, textureAsset.ColorKeyColor);
if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded
return ResultStatus.Cancelled;
// Pre-multiply alpha
if (textureAsset.PremultiplyAlpha)
texTool.PreMultiplyAlpha(texImage);
if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded
return ResultStatus.Cancelled;
// Generate mipmaps
if (textureAsset.GenerateMipmaps)
{
var boxFilteringIsSupported = texImage.Format != PixelFormat.B8G8R8A8_UNorm_SRgb || (IsPowerOfTwo(textureSize.X) && IsPowerOfTwo(textureSize.Y));
texTool.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(textureAsset, parameters, textureSize, texImage.Format, parameters.Platform, parameters.GraphicsPlatform, parameters.GraphicsProfile);
texTool.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 = texTool.ConvertToParadoxImage(texImage))
{
if (cancellationToken.IsCancellationRequested) // abort the process if cancellation is demanded
return ResultStatus.Cancelled;
assetManager.Save(outputUrl, outputImage.ToSerializableVersion());
logger.Info("Compression successful [{3}] to ({0}x{1},{2})", outputImage.Description.Width, outputImage.Description.Height, outputImage.Description.Format, outputUrl);
}
}
return ResultStatus.Successful;
}
private void HandleResizing(TextureTool texTool, TexImage image)
{
if (Width != null && Height != null)
{
bool targetInPercent;
var width = ParsePixelSize(Width, out targetInPercent);
var height = ParsePixelSize(Height, out targetInPercent);
if (targetInPercent)
texTool.Rescale(image, width / 100f, height / 100f, RescalingFilter);
else
texTool.Resize(image, width, height, RescalingFilter);
}
else if (Width != null && Height == null)
{
bool targetInPercent;
var width = ParsePixelSize(Width, out targetInPercent);
if (targetInPercent)
texTool.Rescale(image, width / 100f, 1, RescalingFilter);
else
texTool.Resize(image, width, image.Height, RescalingFilter);
}
else if (Width == null && Height != null)
{
bool targetInPercent;
var height = ParsePixelSize(Height, out targetInPercent);
if (targetInPercent)
texTool.Rescale(image, 1, height / 100f, RescalingFilter);
else
texTool.Resize(image, image.Width, height, RescalingFilter);
}
}