protected void OnBeforeWritingFile(CrunchResult result)
{
if (BeforeWritingFile != null)
{
BeforeWritingFile(this, new CruncherEventArgs(result));
}
}
protected void OnCompleted(CrunchResult result)
{
if (Completed != null)
{
Completed(this, new CruncherEventArgs(result));
}
}
/// <summary>
/// Optimizes the specified file.
/// </summary>
/// <param name="fileName">The absolute path to the file.</param>
/// <exception cref="System.NotImplementedException"></exception>
public void Optimize(String fileName)
{
TryToInitMozjpeg();
var originalFile = fileName;
var tempFile = Path.Combine(Path.GetTempPath(), String.Format("{0}.jpg", Guid.NewGuid().ToString()));
CompressJpeg(originalFile, tempFile);
var originalFileSize = (new FileInfo(fileName)).Length;
var tempFileSize = (new FileInfo(tempFile)).Length;
var result = new CrunchResult(fileName, this.Service)
{
SizeBefore = originalFileSize,
SizeAfter = tempFileSize,
PercentSaved = Math.Round(100 - ((Double)tempFileSize / originalFileSize) * 100, 2)
};
File.Delete(tempFile);
OnBeforeWritingFile(result);
CompressJpeg(originalFile, originalFile);
OnCompleted(result);
}
protected override void ReadResponse(string response, string fileName)
{
if (response.Contains("\"savings_percent\":0}"))
{
OnCompleted(new CrunchResult(fileName, this.Service));
return;
}
JavaScriptSerializer jSerialize = new JavaScriptSerializer();
PunyPngResponse sir = jSerialize.Deserialize <PunyPngResponse>(response);
Uri url;
if (!Uri.TryCreate(sir.optimized_url, UriKind.Absolute, out url))
{
OnCompleted(new CrunchResult(fileName, this.Service));
return;
}
var result = new CrunchResult(fileName, this.Service)
{
SizeBefore = sir.original_size,
SizeAfter = sir.optimized_size,
PercentSaved = sir.savings_percent
};
if (result.SizeAfter != result.SizeBefore)
{
OnBeforeWritingFile(result);
using (WebClient client = new WebClient())
{
client.DownloadFile(url, fileName);
}
}
OnCompleted(result);
}
public CruncherEventArgs(CrunchResult result)
{
this.Result = result;
}