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);
}
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);
}
}
