public static void SaveImg(ParallObj obj)
{
if (obj.ImgQualityObj < 0 || obj.ImgQualityObj > 100)
{
throw new ArgumentOutOfRangeException("quality must be between 0 and 100.");
}
// Encoder parameter for image quality
EncoderParameter qualityParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, obj.ImgQualityObj);
// JPEG image codec
ImageCodecInfo jpegCodec = GetEncoderInfo("image/jpeg");
EncoderParameters encoderParams = new EncoderParameters(1);
encoderParams.Param[0] = qualityParam;
Image imgTemp = Image.FromFile(obj.ImgPathObj);
imgTemp.Save(obj.pathDestinationObj + @"\" + Path.GetFileName(obj.ImgPathObj), jpegCodec, encoderParams);
}
public static void SaveImgAndGray(ParallObj obj)
{
if (obj.ImgQualityObj < 0 || obj.ImgQualityObj > 100)
{
throw new ArgumentOutOfRangeException("quality must be between 0 and 100.");
}
// Encoder parameter for image quality
EncoderParameter qualityParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, obj.ImgQualityObj);
// JPEG image codec
ImageCodecInfo jpegCodec = GetEncoderInfo("image/jpeg");
EncoderParameters encoderParams = new EncoderParameters(1);
encoderParams.Param[0] = qualityParam;
Image imgTemp = Image.FromFile(obj.ImgPathObj);
string tempPath = obj.pathDestinationObj + @"\" + Path.GetFileName(obj.ImgPathObj);
imgTemp.Save(tempPath, jpegCodec, encoderParams);
Bitmap image = new Bitmap(obj.pathDestinationObj + @"\" + Path.GetFileName(obj.ImgPathObj));
Bitmap grayScale = new Bitmap(image.Width, image.Height);
for (Int32 y = 0; y < grayScale.Height; y++)
{
for (Int32 x = 0; x < grayScale.Width; x++)
{
System.Drawing.Color c = image.GetPixel(x, y);
Int32 gs = (Int32)(c.R * 0.3 + c.G * 0.59 + c.B * 0.11);
grayScale.SetPixel(x, y, System.Drawing.Color.FromArgb(gs, gs, gs));
}
}
string tempPath1 = obj.pathDestinationObj + @"\_Gray_" + Path.GetFileName(obj.ImgPathObj);
grayScale.Save(tempPath1, ImageFormat.Jpeg);
}
private void LetsDoItButtonClick(object sender, EventArgs e)
{
myParallObj = new List <ParallObj>();
bool processFulfilled = false;
try
{
foreach (var imgPath in pathsList)
{
ParallObj temp = new ParallObj();
temp.ImgPathObj = imgPath;
temp.ImgQualityObj = ImgQtyDecreasing;
temp.pathDestinationObj = setFilesDirPath;
myParallObj.Add(temp);
}
}
catch (Exception ex)
{ MessageBox.Show("Please, put correct data!"); return; }
//Black&White and Decreased quality, synch processing
if (getFilesDirPath != "" && setFilesDirPath != "" && pathsList != null && ImgQtyDecreasing != 0 &&
CheckBoxBlackWhite.IsChecked == true && synch.IsChecked == true && asynch.IsChecked == false)
{
var stopWatch = Stopwatch.StartNew();
foreach (var imageData in myParallObj)
{
Operating.SaveImgAndGray(imageData);
}
MessageBox.Show("Processing time is " + stopWatch.Elapsed.TotalSeconds.ToString() + " sec."); processFulfilled = true;
}
//Decreased quality, synch processing
if (getFilesDirPath != "" && setFilesDirPath != "" && pathsList != null && ImgQtyDecreasing != 0 &&
CheckBoxBlackWhite.IsChecked == false && synch.IsChecked == true && asynch.IsChecked == false)
{
var stopWatch = Stopwatch.StartNew();
foreach (var imageData in myParallObj)
{
Operating.SaveImg(imageData);
}
MessageBox.Show("Processing time is " + stopWatch.Elapsed.TotalSeconds.ToString() + " sec."); processFulfilled = true;
}
//Decreased quality, asynch processing, ThreadPool
if (getFilesDirPath != "" && setFilesDirPath != "" && pathsList != null && ImgQtyDecreasing != 0 &&
CheckBoxBlackWhite.IsChecked == false && synch.IsChecked == false && asynch.IsChecked == true &&
ThreadPoolBtn.IsChecked == true)
{
var stopWatch = Stopwatch.StartNew();
foreach (var element in myParallObj)
{
ThreadPool.QueueUserWorkItem(state => Operating.SaveImg(element));
}
MessageBox.Show("Processing time is " + stopWatch.Elapsed.TotalSeconds.ToString() + " sec."); processFulfilled = true;
}
//Decreased quality, asynch processing, Parallel
if (getFilesDirPath != "" && setFilesDirPath != "" && pathsList != null && ImgQtyDecreasing != 0 &&
CheckBoxBlackWhite.IsChecked == false && synch.IsChecked == false && asynch.IsChecked == true &&
ParallelBtn.IsChecked == true)
{
var stopWatch = Stopwatch.StartNew();
ParallelLoopResult result = Parallel.ForEach <ParallObj>(myParallObj, Operating.SaveImg);
MessageBox.Show("Processing time is " + stopWatch.Elapsed.TotalSeconds.ToString() + " sec."); processFulfilled = true;
}
//Black&White and Decreased quality, asynch processing, ThreadPool
if (getFilesDirPath != "" && setFilesDirPath != "" && pathsList != null && ImgQtyDecreasing != 0 &&
CheckBoxBlackWhite.IsChecked == true && asynch.IsChecked == true && ThreadPoolBtn.IsChecked == true)
{
var stopWatch = Stopwatch.StartNew();
foreach (var element in myParallObj)
{
ThreadPool.QueueUserWorkItem(state => Operating.SaveImgAndGray(element));
}
MessageBox.Show("Processing time is " + stopWatch.Elapsed.TotalSeconds.ToString() + " sec."); processFulfilled = true;
}
//Black&White and Decreased quality, asynch processing, Parallel
if (getFilesDirPath != "" && setFilesDirPath != "" && pathsList != null && ImgQtyDecreasing != 0 &&
CheckBoxBlackWhite.IsChecked == true && asynch.IsChecked == true && ParallelBtn.IsChecked == true)
{
var stopWatch = Stopwatch.StartNew();
ParallelLoopResult resultBandW = Parallel.ForEach <ParallObj>(myParallObj, Operating.SaveImgAndGray);
MessageBox.Show("Processing time is " + stopWatch.Elapsed.TotalSeconds.ToString() + " sec."); processFulfilled = true;
}
if (processFulfilled == false)
{
MessageBox.Show("Please, put correct data! \nChoose all options again!");
}
setFilesDirPath = ""; getFilesDirPath = "";
pathsList = null; myParallObj = null;
}
