/// <summary>
/// Fill Image Filter Properties from Rendering Data source, if is present
/// </summary>
/// <param name="model">Image Filter Component model</param>
private void FillImageFilterProperties(ImageFilterComponentModel model)
{
if (string.IsNullOrEmpty(model?.Rendering?.DataSource))
{
return;
}
var item = Sitecore.Context.Database.GetItem(new Sitecore.Data.ID(model.Rendering.DataSource));
model.HasImageCaption = !string.IsNullOrEmpty(item.Fields["HasImageCaption"]?.Value) && int.Parse(item.Fields["HasImageCaption"].Value) == 1;
model.HasImageDescription = !string.IsNullOrEmpty(item.Fields["HasImageDescription"]?.Value) && int.Parse(item.Fields["HasImageDescription"].Value) == 1;
var imageValue = item.Fields["Image"].Value;
var firstLeft = imageValue.IndexOf("{", StringComparison.InvariantCultureIgnoreCase);
var firstRight = imageValue.IndexOf("}", StringComparison.InvariantCultureIgnoreCase);
model.Id = new Sitecore.Data.ID(imageValue.Substring(firstLeft, firstRight - firstLeft + 1));
var itemImage = Sitecore.Context.Database.GetItem(model.Id);
var mediaItem = new Sitecore.Data.Items.MediaItem(itemImage);
var image = new System.Drawing.Bitmap(mediaItem.GetMediaStream());
// Save original image as base 64 string
model.OriginalImage = $"data:image/png;base64,{Convert.ToBase64String(ImagePreprocessing.ConvertImageToArray(image))}";
model.Filter = item.Fields["Filter"].Value;
model.Angle = string.IsNullOrEmpty(item.Fields["Angle"].Value) ? 0 : int.Parse(item.Fields["Angle"].Value);
model.Height = string.IsNullOrEmpty(item.Fields["Height"].Value) ? image.Width : int.Parse(item.Fields["Height"].Value);
model.Width = string.IsNullOrEmpty(item.Fields["Width"].Value) ? image.Height : int.Parse(item.Fields["Width"].Value);
// Set the image filter parameters and process the image
var filterParameters = new ImageFilterParameters
{
Image = image,
Filter = (EnumImageFilter)Enum.Parse(typeof(EnumImageFilter), model.Filter),
Angle = model.Angle,
Height = model.Height,
Width = model.Width
};
var filterImage = ImagePreprocessing.ApplyFilter(filterParameters);
// Save filtered image as base 64 string
model.FilterImage = $"data:image/png;base64,{Convert.ToBase64String(ImagePreprocessing.ConvertImageToArray(filterImage))}";
}
