public static void DefinesThatNeedToBeSetBeforeReadingAnImage()
    {
      MagickReadSettings settings = new MagickReadSettings();
      // Set define that tells the jpeg coder that the output image will be 32x32
      settings.SetDefine(MagickFormat.Jpeg, "size", "32x32");

      // Read image from file
      using (MagickImage image = new MagickImage(SampleFiles.SnakewareJpg))
      {
        // Create thumnail that is 32 pixels wide and 32 pixels high
        image.Thumbnail(32, 32);
        // Save image as tiff
        image.Write(SampleFiles.OutputDirectory + "Snakeware.tiff");
      }
    }
        public void GenerateCache(FileItem fileItem)
        {
            bool deleteFile = false;
            if (fileItem == null)
                return;
            if (!File.Exists(fileItem.FileName))
                return;

            if ((File.Exists(fileItem.LargeThumb) && File.Exists(fileItem.SmallThumb)) && File.Exists(fileItem.InfoFile))
                return;

            if (fileItem.Loading)
                return;

            fileItem.Loading = true;

            PhotoUtils.WaitForFile(fileItem.FileName);
            string filename = fileItem.FileName;
            if (fileItem.IsMovie)
            {
                try
                {
                    string ffmpeg_exe = Path.Combine(Settings.ApplicationFolder, "ffmpeg.exe");
                    if (File.Exists(ffmpeg_exe))
                    {
                        string thumb = Path.Combine(Path.GetDirectoryName(fileItem.FileName),
                            Path.GetFileNameWithoutExtension(fileItem.FileName) + ".thumb.jpg");
                        PhotoUtils.RunAndWait(ffmpeg_exe, String.Format("-i \"{0}\" -ss 00:00:01.000 -f image2 -vframes 1 \"{1}\"", fileItem.FileName, thumb));
                        if (File.Exists(thumb))
                        {
                            deleteFile = true;
                            filename = thumb;
                        }
                    }
                }
                catch (Exception exception)
                {
                    Log.Error("Error get video thumb", exception);
                }
            }
            if (fileItem.IsRaw)
            {
                try
                {
                    string dcraw_exe = Path.Combine(Settings.ApplicationFolder, "dcraw.exe");
                    if (File.Exists(dcraw_exe))
                    {
                        string thumb = Path.Combine(Path.GetTempPath(),
                            Path.GetFileNameWithoutExtension(fileItem.FileName) + ".thumb.jpg");
                        PhotoUtils.RunAndWait(dcraw_exe,
                            string.Format(" -e -O \"{0}\" \"{1}\"", thumb, fileItem.FileName));
                        if (File.Exists(thumb))
                        {
                            deleteFile = true;
                            filename = thumb;
                        }
                    }
                }
                catch (Exception exception)
                {
                    Log.Error("Error get dcraw thumb", exception);
                }
            }

            GetMetadata(fileItem);
            try
            {
                using (MagickImage image = new MagickImage(filename))
                {
                    fileItem.FileInfo.SetSize(image.Width, image.Height);

                    double dw = (double)LargeThumbSize / image.Width;
                    image.FilterType = FilterType.Box;
                    image.Thumbnail((int)(image.Width * dw), (int)(image.Height * dw));

                    if (!ServiceProvider.Settings.DisableHardwareAccelerationNew)
                        image.UnsharpMask(1, 1, 0.5, 0.1);

                    PhotoUtils.CreateFolder(fileItem.LargeThumb);
                    image.Write(fileItem.LargeThumb);
                    fileItem.IsLoaded = true;
                    fileItem.Loading = false;

                    dw = (double)SmallThumbSize / image.Width;
                    image.Thumbnail((int)(image.Width * dw), (int)(image.Height * dw));

                    if (!ServiceProvider.Settings.DisableHardwareAccelerationNew)
                        image.UnsharpMask(1, 1, 0.5, 0.1);

                    PhotoUtils.CreateFolder(fileItem.SmallThumb);
                    image.Write(fileItem.SmallThumb);

                    fileItem.Thumbnail = LoadImage(fileItem.SmallThumb);
                }
                fileItem.SaveInfo();
                SetImageInfo(fileItem);
                if (deleteFile)
                    File.Delete(filename);
                OnMetaDataUpdated(fileItem);
            }
            catch (Exception exception)
            {
                Log.Error("Error generating cache " + fileItem.FileName, exception);
            }
            fileItem.Loading = false;
        }
Exemple #3
0
 private void ExecuteThumbnail(XmlElement element, MagickImage image)
 {
   Hashtable arguments = new Hashtable();
   foreach (XmlAttribute attribute in element.Attributes)
   {
     if (attribute.Name == "geometry")
       arguments["geometry"] = Variables.GetValue<MagickGeometry>(attribute);
     else if (attribute.Name == "height")
       arguments["height"] = Variables.GetValue<Int32>(attribute);
     else if (attribute.Name == "percentage")
       arguments["percentage"] = Variables.GetValue<Percentage>(attribute);
     else if (attribute.Name == "percentageHeight")
       arguments["percentageHeight"] = Variables.GetValue<Percentage>(attribute);
     else if (attribute.Name == "percentageWidth")
       arguments["percentageWidth"] = Variables.GetValue<Percentage>(attribute);
     else if (attribute.Name == "width")
       arguments["width"] = Variables.GetValue<Int32>(attribute);
   }
   if (OnlyContains(arguments, "geometry"))
     image.Thumbnail((MagickGeometry)arguments["geometry"]);
   else if (OnlyContains(arguments, "percentage"))
     image.Thumbnail((Percentage)arguments["percentage"]);
   else if (OnlyContains(arguments, "percentageWidth", "percentageHeight"))
     image.Thumbnail((Percentage)arguments["percentageWidth"], (Percentage)arguments["percentageHeight"]);
   else if (OnlyContains(arguments, "width", "height"))
     image.Thumbnail((Int32)arguments["width"], (Int32)arguments["height"]);
   else
     throw new ArgumentException("Invalid argument combination for 'thumbnail', allowed combinations are: [geometry] [percentage] [percentageWidth, percentageHeight] [width, height]");
 }
 public void Test_Thumbnail()
 {
   using (MagickImage image = new MagickImage(Files.SnakewarePNG))
   {
     image.Thumbnail(100, 100);
     Assert.AreEqual(100, image.Width);
     Assert.AreEqual(23, image.Height);
   }
 }