public byte[] OptimizePng(byte[] bytes, int compressionLevel, bool imageQuantizationDisabled)
{
var optimizedBytes = bytes;
if (!imageQuantizationDisabled)
{
using (var unQuantized = new Bitmap(new MemoryStream(bytes)))
{
using (var quantized = wuQuantizer.QuantizeImage(unQuantized, 10, 5))
{
var memStream = new MemoryStream();
quantized.Save(memStream, ImageFormat.Png);
optimizedBytes = memStream.GetBuffer();
}
}
}
if (fileWrapper.FileExists(optiPngLocation))
{
var scratchFile = string.Format("{0}\\scratch-{1}.png", configuration.SpritePhysicalPath, Hasher.Hash(bytes));
try
{
fileWrapper.Save(optimizedBytes, scratchFile);
var arg = String.Format(@"-fix -o{1} ""{0}""", scratchFile, compressionLevel);
InvokeExecutable(arg, optiPngLocation);
optimizedBytes = fileWrapper.GetFileBytes(scratchFile);
}
finally
{
fileWrapper.DeleteFile(scratchFile);
}
}
return(optimizedBytes);
}
public virtual void Save(byte[] content, string url, string originalUrls)
{
var file = GetFileNameFromConfig(url);
var sig = uriBuilder.ParseSignature(url);
var guid = uriBuilder.ParseKey(url);
FileWrapper.Save(content, file);
if (!url.ToLower().EndsWith(".png") && ReductionRepository != null)
{
ReductionRepository.AddReduction(guid, url);
}
RRTracer.Trace("{0} saved to disk.", url);
var expiredFile = file.Insert(file.IndexOf(sig, StringComparison.Ordinal), "Expired-");
if (FileWrapper.FileExists(expiredFile))
{
FileWrapper.DeleteFile(expiredFile);
}
}