예제 #1
0
        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);
        }
예제 #2
0
        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);
        }
예제 #3
0
        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;
        }