Basic flow

CatalogLib/ImageCreator2.cs

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+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using CatalogVbLib;
+
+namespace CatalogLib
+{
+    public class ImageCreator2
+    {
+        private PicSettings _picSettings = PicSettings.Instance;
+
+        private FileInfo _workFile;
+
+        private Image _workingImage;
+
+        private Rotazione _rotation;
+
+        private ImageFormat _currentFormat;
+
+        private Size _newImageSize;
+
+        private Bitmap _outputImage;
+
+        private DirectoryInfo _destDir;
+
+        private string _nomeFileBig;
+
+        public void Start(FileInfo workFile)
+        {
+            _workFile = workFile;
+
+            _workingImage = Image.FromFile(workFile.FullName);
+
+            _destDir = new DirectoryInfo(_picSettings.DirectoryDestinazione);
+            _nomeFileBig = _workFile.Name;
+
+            CalculateImageSize();
+
+            ElaborazioneTesto();
+
+            ElaborazioneRotazione();
+
+            SetImageFormat();
+
+
+            FinalElaboration();
+
+            //CreaMiniature
+        }
+
+        private void FinalElaboration()
+        {
+            _outputImage = new Bitmap(_workingImage, _newImageSize.Width, _newImageSize.Height);
+            _outputImage.SetResolution(_workingImage.HorizontalResolution, _workingImage.VerticalResolution);
+
+
+            SavePic(_outputImage, Path.Combine(_destDir.FullName, _nomeFileBig));
+        }
+
+        private void SavePic(Bitmap imageToSave, string fileName)
+        {
+            var selectedEncoder = GetEncoder(_currentFormat);
+            var encoder = System.Drawing.Imaging.Encoder.Quality;
+            var encoderParameters = new EncoderParameters(1);
+
+            
+            if (Equals(_currentFormat, ImageFormat.Jpeg))
+            {
+                var encoderParameter = new EncoderParameter(encoder, _picSettings.CompressioneJpeg);
+                encoderParameters.Param[0] = encoderParameter;
+            }
+
+            imageToSave.Save(fileName, selectedEncoder,encoderParameters);
+            imageToSave.Dispose();
+        }
+
+        private ImageCodecInfo GetEncoder(ImageFormat format)
+        {
+            var codecs = ImageCodecInfo.GetImageDecoders();
+
+            return codecs.FirstOrDefault(c => c.FormatID == format.Guid);
+        }
+
+        private void ElaborazioneTesto()
+        {
+            if (_picSettings.EnableText)
+            {
+                // todo: elaborazione testo
+            }
+        }
+
+        private void CalculateImageSize()
+        {
+            _newImageSize = new Size(_workingImage.Width, _workingImage.Height);
+        }
+
+        private void ElaborazioneRotazione()
+        {
+            
+            _rotation = Rotazione.Normale;
+
+            if (_picSettings.UsaRotazioneAutomatica)
+            {
+                // ci sono dati exif
+                if (_workingImage.PropertyIdList.Length > 0)
+                {
+                    ExifReader DatiExif = new ExifReader((Bitmap)_workingImage);
+
+                    switch (DatiExif.Orientation)
+                    {
+                        case ExifReader.Orientations.BottomLeft:
+
+                            break;
+                        case ExifReader.Orientations.BottomRight:
+
+                            break;
+                        case ExifReader.Orientations.LeftTop:
+
+                            break;
+                        case ExifReader.Orientations.LftBottom:
+                            //FotoRuotaASinistra = true;
+                            _rotation = Rotazione.Sinistra;
+                            break;
+                        case ExifReader.Orientations.RightBottom:
+
+                            break;
+                        case ExifReader.Orientations.RightTop:
+
+                            break;
+                        case ExifReader.Orientations.TopLeft:
+
+                            break;
+                        case ExifReader.Orientations.TopRight:
+
+                            break;
+                    }
+                }
+            }
+
+            if (_rotation == Rotazione.Sinistra)
+            {
+                _workingImage.RotateFlip(RotateFlipType.Rotate270FlipNone);
+            }
+            else
+            if (_rotation == Rotazione.Destra)
+            {
+                _workingImage.RotateFlip(RotateFlipType.Rotate90FlipNone);
+            }
+        }
+
+        private void SetImageFormat()
+        {
+            _currentFormat = _workingImage.RawFormat;
+            if (_picSettings.GeneraleForzaJPG)
+            {
+                _currentFormat = ImageFormat.Jpeg;
+            }
+        }
+
+    }
+}