/// <summary>
/// Begin compressing files
/// </summary>
public void Start()
{
if (FilePaths == null || OutputDirectory == String.Empty)
{
throw new Exception("FilePaths / OutputDirectory not set");
}
// loop through our files
for (int i = 0; i < FilePaths.Length; i++)
{
string filePath = FilePaths[i];
try
{
Compressor.PNGCompressor pngCompressor = compress(filePath);
// this stores the compressor that produced the smallest file
Compressor.PNGCompressor winningCompressor = pngCompressor;
byte[] fileToWrite = pngCompressor.CompressedFile;
string outputDirectory = OutputDirectory;
// we may be getting a jpg as input, make sure we output png
string fileName = Path.GetFileNameWithoutExtension(filePath) + ".png";
// if the compressed file is larger than the original, keep the original (unless told otherwise)
if (!OutputIfLarger &&
Compressor.PNGCompressor.IsPng(pngCompressor.OriginalFile) &&
pngCompressor.CompressedFile.Length >= pngCompressor.OriginalFile.Length)
{
fileToWrite = pngCompressor.OriginalFile;
// there was no winning compressor
winningCompressor = null;
}
// we're going to output to the same directory, overwriting files if needed
if (outputDirectory == null)
{
outputDirectory = Path.GetDirectoryName(filePath);
}
// build the file path
string outputFilePath = System.IO.Path.Combine(outputDirectory, fileName);
// output the file
File.WriteAllBytes(outputFilePath, fileToWrite);
// fire the success event
FileProcessSuccessEventArgs e = new FileProcessSuccessEventArgs(filePath, outputFilePath, i, winningCompressor);
OnFileProcessSuccess(e);
}
catch (Exception e)
{
// fire the fail event
FileProcessFailEventArgs eventArgs = new FileProcessFailEventArgs(filePath, i, e);
OnFileProcessFail(eventArgs);
}
}
}
/// <summary>
/// Fire the 'FileProcessFail' event
/// </summary>
/// <param name="e">Event args</param>
private void OnFileProcessFail(FileProcessFailEventArgs e)
{
FileProcessFail(this, e);
}
/// <summary>
/// Fire the 'FileProcessFail' event
/// </summary>
/// <param name="e">Event args</param>
private void OnFileProcessFail(FileProcessFailEventArgs e)
{
FileProcessFail(this, e);
}
