private CompressionResult CompressFile(string fileName, bool lossy)
{
string optimisedFile = Path.ChangeExtension(Path.GetTempFileName(), Path.GetExtension(fileName));
ProcessStartInfo start = new ProcessStartInfo("cmd")
{
WindowStyle = ProcessWindowStyle.Hidden,
WorkingDirectory = Path.Combine(Directory.GetParent(Path.GetDirectoryName(GetType().Assembly.Location)).FullName, @"Utilities\"),
Arguments = ImageCompressorHelper.OptimiseImageCommand(fileName, optimisedFile, lossy),
UseShellExecute = false,
CreateNoWindow = true,
};
using (var process = Process.Start(start))
{
process.WaitForExit();
}
return(new CompressionResult(fileName, optimisedFile));
}
public string ProcessImage(string name, Stream originalImage, Stream optimisedImage, bool allowLossyProcessing)
{
var workingDirectory = Path.GetDirectoryName(GetType().Assembly.Location);
var filename = Path.Combine(workingDirectory, name);
using (Stream file = File.Create(filename))
originalImage.CopyTo(file);
var result = CompressFile(filename, true);
if (result.Saving < 1)
{
originalImage.CopyTo(optimisedImage);
ImageCompressorHelper.Cleanup(result);
return("Optimisation failed to shrink file");
}
using (var stream = File.Open(result.ResultFileName, FileMode.Open))
stream.CopyTo(optimisedImage);
ImageCompressorHelper.Cleanup(result);
return(result.ToString());
}
