/// <summary>
/// Intializes new instace of the SelectedConfigurationIndexChangedEventArgs class.</summary>
/// <param name="outputResolution">The resolution (DPI) of the image that is generated by the control.</param>
/// <param name="cropConstraint">The constraints that have to be satisfied by the cropped image.</param>
/// <param name="postProcessingFilter">The filter(s) to apply to the image.</param>
/// <param name="previewFilter">The filter(s) to apply to the preview image.</param>
public SelectedConfigurationIndexChangedEventArgs(float outputResolution, CropConstraint cropConstraint, ImageProcessingFilter postProcessingFilter, ImageProcessingFilter previewFilter)
: base(outputResolution, cropConstraint, postProcessingFilter, previewFilter)
{
}
/// <summary>
/// Intializes new instace of the ImageUploadEventArgs class.</summary>
/// <param name="outputResolution">The resolution (DPI) of the image that is generated by the control.</param>
/// <param name="cropConstraint">The constraints that have to be satisfied by the cropped image.</param>
/// <param name="postProcessingFilter">The filter(s) to apply to the image.</param>
/// <param name="previewFilter">The filter(s) to apply to the preview image.</param>
public ImageUploadEventArgs(float outputResolution, CropConstraint cropConstraint, ImageProcessingFilter postProcessingFilter, ImageProcessingFilter previewFilter)
: base(outputResolution, cropConstraint, postProcessingFilter, previewFilter)
{
}
protected void ProcessSelectedConfigurationIndexChanged()
{
// The new image has been edited
this._ImageUploaded = false;
this._ImageEdited = true;
// Update the preview
this._UpdatePreview = true;
// Open the image edit popup
this._AutoOpenImageEditPopup = true;
if (this.SelectedConfigurationIndexChanged != null)
{
string pictureTrimmerTID = this.popupPictureTrimmer1.TemporaryFileId;
/// EVENT: Configuration index changed
SelectedConfigurationIndexChangedEventArgs args = new SelectedConfigurationIndexChangedEventArgs(this._OutputResolution, this.CropConstraint, this.PostProcessingFilter, this.PreviewFilter);
this.OnSelectedConfigurationIndexChanged(args);
if (this.HasImage)
{
if (this.popupPictureTrimmer1.TemporaryFileId != pictureTrimmerTID)
{
// The image has been reloeaded outside the control, exit.
return;
}
}
else
{
// The image has been unloaded, exit.
return;
}
bool reloadImage = false;
if (args.OutputResolutionChanged)
{
this._OutputResolution = args.OutputResolution;
reloadImage = true;
}
if (args.CropConstraintChanged)
{
this._CropConstraint = args.CropConstraint;
reloadImage = true;
}
if (args.PostProcessingFilterChanged)
{
this._PostProcessingFilter = args.PostProcessingFilter;
// No need to reload if only the post filter has changed
// AND - the updatePreview is surely already TRUE
}
if (args.PreviewFilterChanged)
{
this._PreviewFilter = args.PreviewFilter;
// No need to reload if only the preview filter has changed
// AND - the updatePreview is surely already TRUE
}
if (args.ReloadImageSet)
{
// Forced to reload the source image
reloadImage = true;
}
if (reloadImage)
{
// Reload the image
if (!args.ReloadImageSet)
{
// Standard reload, use the current source image size to save memory
this.popupPictureTrimmer1.SetLoadImageData_ImageSize(this.SourceImageSize);
this.popupPictureTrimmer1.SetLoadImageData_ImageResolution(this.SourceImageResolution);
this.popupPictureTrimmer1.SetLoadImageData_ImageFormatId(this.SourceImageFormatId);
}
this.popupPictureTrimmer1.LoadImageFromFileSystem(this.TemporarySourceImageFilePath, this._OutputResolution, this.CropConstraint);
}
}
}
/// <summary>
/// Intializes new instace of the ConfigurationEventArgs class.</summary>
/// <param name="outputResolution">The resolution (DPI) of the image that is generated by the control.</param>
/// <param name="cropConstraint">The constraints that have to be satisfied by the cropped image.</param>
/// <param name="postProcessingFilter">The filter(s) to apply to the image.</param>
/// <param name="previewFilter">The filter(s) to apply to the preview image.</param>
public ConfigurationEventArgs(float outputResolution, CropConstraint cropConstraint, ImageProcessingFilter postProcessingFilter, ImageProcessingFilter previewFilter)
{
this._OutputResolution = outputResolution;
this._CropConstraint = cropConstraint;
this._PostProcessingFilter = postProcessingFilter;
this._PreviewFilter = previewFilter;
this._OriginalOutputResolution = this._OutputResolution;
this._OriginalCropConstraintString = JSONSerializer.SerializeToString(this._CropConstraint, true);
this._OriginalPostProcessingFilterString = JSONSerializer.SerializeToString(this._PostProcessingFilter, true);
this._OriginalPreviewFilterString = JSONSerializer.SerializeToString(this._PreviewFilter, true);
this._ReloadImageSet = false;
}
protected void ProcessUploadSuccess()
{
string sourceImageClientFileName = this._SourceImageClientFileName;
if (this.HasImage)
{
// Unload the current image
this.UnloadImage(false);
}
// Delete old files
if (File.Exists(this.TemporarySourceImageFilePath))
{
File.Delete(this.TemporarySourceImageFilePath);
}
if (this._ImageUploadPreProcessingFilter == null)
{
// Just copy the source image
File.Copy(this.UploadFilePath, this.TemporarySourceImageFilePath, true);
}
try
{
if (this._ImageUploadPreProcessingFilter != null)
{
// Pre-process the just uploaded image
using (LoadedImage sourceImage = ImageArchiver.LoadImage(this.UploadFilePath))
{
// Use PNG to preserve transparency
FormatEncoderParams format = new PngFormatEncoderParams();
using (System.Drawing.Image tempImage = this._ImageUploadPreProcessingFilter.GetProcessedImage(sourceImage, sourceImage.Resolution, format))
{
ImageArchiver.SaveImageToFileSystem(tempImage, this.TemporarySourceImageFilePath, format);
// Optimization: save server resources...
this.popupPictureTrimmer1.SetLoadImageData_ImageSize(tempImage.Size);
this.popupPictureTrimmer1.SetLoadImageData_ImageResolution(sourceImage.Resolution);
this.popupPictureTrimmer1.SetLoadImageData_ImageFormatId(sourceImage.FormatId);
}
}
}
// Load the image in the PictureTrimmer control
this.popupPictureTrimmer1.LoadImageFromFileSystem(this.TemporarySourceImageFilePath, this._OutputResolution, this.CropConstraint);
}
catch (InvalidImageSizeException ex)
{
// Invalid image size
ex.ToString();
// Display the invalid image size message
this.SetCurrentStatusMessage(this.StatusMessage_InvalidImageSize, true);
// EVENT: Upload error (invalid image size)
this.OnUploadError(EventArgs.Empty);
}
catch
{
// Invalid image
// Display the invalid image message
this.SetCurrentStatusMessage(this.StatusMessage_InvalidImage, true);
// EVENT: Upload error (invalid image)
this.OnUploadError(EventArgs.Empty);
}
if (this.HasImage)
{
// Restore the source image client file name (changed in the UnloadImage method)
this._SourceImageClientFileName = sourceImageClientFileName;
// The new image has been uploaded
this._ImageUploaded = true;
this._ImageEdited = false;
// Update the preview
this._UpdatePreview = true;
if (this.ImageUpload != null)
{
// EVENT: Image upload
string pictureTrimmerTID = this.popupPictureTrimmer1.TemporaryFileId;
ImageUploadEventArgs args = new ImageUploadEventArgs(this._OutputResolution, this.CropConstraint, this.PostProcessingFilter, this.PreviewFilter);
this.OnImageUpload(args);
if (this.HasImage)
{
if (this.popupPictureTrimmer1.TemporaryFileId != pictureTrimmerTID)
{
// The image has been reloeaded outside the control
if (this.AutoOpenImageEditPopupAfterUpload)
{
// Open the image edit popup if necessary
this.OpenImageEditPopup();
}
// Exit !!!
return;
}
}
else
{
// The image has been unloaded, exit.
return;
}
bool reloadImage = false;
if (args.OutputResolutionChanged)
{
this._OutputResolution = args.OutputResolution;
reloadImage = true;
}
if (args.CropConstraintChanged)
{
this._CropConstraint = args.CropConstraint;
reloadImage = true;
}
if (args.PostProcessingFilterChanged)
{
this._PostProcessingFilter = args.PostProcessingFilter;
// No need to reload if only the post processing filter has changed
// AND - the updatePreview is surely already TRUE
}
if (args.PreviewFilterChanged)
{
this._PreviewFilter = args.PreviewFilter;
// No need to reload if only the preview filter has changed
// AND - the updatePreview is surely already TRUE
}
if (args.ReloadImageSet)
{
// Forced to reload the source image
reloadImage = true;
}
if (reloadImage)
{
// Reload the image
if (!args.ReloadImageSet)
{
// Standard reload, use the current source image size, resolutaion and format to save memory
this.popupPictureTrimmer1.SetLoadImageData_ImageSize(this.SourceImageSize);
this.popupPictureTrimmer1.SetLoadImageData_ImageResolution(this.SourceImageResolution);
this.popupPictureTrimmer1.SetLoadImageData_ImageFormatId(this.SourceImageFormatId);
}
this.popupPictureTrimmer1.LoadImageFromFileSystem(this.TemporarySourceImageFilePath, this._OutputResolution, this.CropConstraint);
}
}
// Invoke the OpenImageEditPopup after the event, so the eventhandler may change
// the AutoOpenImageEditPopupAfterUpload property
if (this.AutoOpenImageEditPopupAfterUpload)
{
// Open the image edit popup
this.OpenImageEditPopup();
}
}
}
