How to Save Uncropped Image While CropTool is Active

Environment

Product Version	2019.2 715
Product	Progress® Telerik® UI for WPF

Description

How to save an image without cropping it while the CropTool is active.

Solution

1. Create a custom SaveImage command and override its ExecuteOverride method. If the executing tool is CropTool avoid commiting the tool, thus cropping the picture.

       public class CustomSaveImageCommand : SaveImageCommand 
       { 
           public CustomSaveImageCommand(RadImageEditor owner) : base(owner) 
           { 
           } 
    
           protected override void ExecuteOverride(object parameter) 
           { 
               SaveFileDialog dialog = new SaveFileDialog(); 
    
               string stringParameter = parameter as string; 
               if (stringParameter != null && stringParameter.Contains("|")) 
               { 
                   dialog.Filter = stringParameter; 
               } 
               else 
               { 
                   dialog.Filter = FormatProviderToFilterConverter.GetFilter(ImageFormatProviderManager.RegisteredFormatProviders, false, false, stringParameter); 
               } 
    
               bool? dialogResult = dialog.ShowDialog(); 
               if (dialogResult == true) 
               { 
                   if (!(this.Owner.ExecutingTool is CropTool)) 
                   { 
                       this.Owner.CommitTool(); 
                   }                 
    
                   string extension = System.IO.Path.GetExtension(dialog.SafeFileName); 
                   IImageFormatProvider formatProvider = ImageFormatProviderManager.GetFormatProviderByExtension(extension); 
                   using (Stream output = dialog.OpenFile()) 
                   { 
                       formatProvider.Export(this.Owner.Image, output); 
                   } 
               } 
           } 
       } 
    
       public static class FormatProviderToFilterConverter 
       { 
           public static string GetFilter(IEnumerable<IImageFormatProvider> formatProviders, bool isImport, bool addAllFiles, string filter) 
           { 
               if (!string.IsNullOrEmpty(filter)) 
               { 
                   string[] extensions = filter.Split(',', ';').Select(e => e.Trim('.').ToLower()).ToArray(); 
                   formatProviders = formatProviders.Where(fp => fp.SupportedExtensions.Any(ext => extensions.Contains(ext.Trim('.').ToLower()))); 
               } 
    
               if (isImport) 
               { 
                   formatProviders = formatProviders.Where(fp => fp.CanImport); 
               } 
               else 
               { 
                   formatProviders = formatProviders.Where(fp => fp.CanExport); 
               } 
    
               return 
                   string.Join("|", formatProviders.Select(fp => GetFilter(fp)).ToArray()) + 
                   (addAllFiles ? "|All Files|." : ""); 
           } 
    
           public static string GetFilter(IImageFormatProvider formatProvider) 
           { 
               return 
                   formatProvider.FilesDescription + 
                   " (" + 
                   string.Join(", ", formatProvider.SupportedExtensions.Select(ext => "" + ext).ToArray()) + 
                   ")|" + 
                   string.Join(";", formatProvider.SupportedExtensions.Select(ext => "" + ext).ToArray()); 
           } 
       } 
   

2. Set the custom command to the RadImageEditorUI via its SaveCommand property.

       this.radImageEditorUI.SaveCommand = new CustomSaveImageCommand(this.ImageEditorUI.ImageEditor);