public override Blob CreateImageBlob(Blob sourceBlob, string propertyName, ImageDescriptorAttribute descriptorAttribute)
{
if (sourceBlob.IsSvgBlob())
{
BitmapBlob blob = SvgManager.ConvertSvgBlobToPng(sourceBlob);
return(CreateBlob(blob.ThumbnailUri, blob.ConvertedBlob, descriptorAttribute.Width, descriptorAttribute.Height));
}
return(base.CreateImageBlob(sourceBlob, propertyName, descriptorAttribute));
}
public void contentEvents_PublishingContent(object sender, ContentEventArgs e)
{
var content = e.Content;
if (!(content is ImageData))
{
return;
}
var image = content as ImageData;
Dimensions imageDimensions = ImageBlobUtility.GetDimensions(image.BinaryData);
PropertyInfo[] properties = image.GetType().GetProperties();
int requiredWidth = imageDimensions.Width;
foreach (var propertyInfo in properties)
{
if (propertyInfo.PropertyType != typeof(Blob))
{
continue;
}
//get attribute name
var imageWidthAttribute = (ImageWidthDescriptorAttribute)Attribute.GetCustomAttribute(propertyInfo, typeof(ImageWidthDescriptorAttribute));
var imageScaleAttribute = (ImageScaleDescriptorAttribute)Attribute.GetCustomAttribute(propertyInfo, typeof(ImageScaleDescriptorAttribute));
if (imageWidthAttribute != null)
{
requiredWidth = imageWidthAttribute.Width;
}
else if (imageScaleAttribute != null)
{
requiredWidth = (int)(imageDimensions.Width * imageScaleAttribute.DimensionMultiplier);
}
else
{
continue;
}
var calculatedDimensions = ImageResizeUtility.ResizeWidthMaintainAspectRatio(imageDimensions, requiredWidth);
var imageDescriptor = new ImageDescriptorAttribute(calculatedDimensions.Height, calculatedDimensions.Width);
var thumbnailManager = ServiceLocator.Current.GetInstance <ThumbnailManager>();
var resizedBlob = thumbnailManager.CreateImageBlob(image.BinaryData, propertyInfo.Name, imageDescriptor);
//assign blob to current property
propertyInfo.SetValue(image, resizedBlob, null);
}
}
public void contentEvents_PublishingContent(object sender, ContentEventArgs e)
{
var content = e.Content;
if (!(content is ImageData))
return;
var image = content as ImageData;
Dimensions imageDimensions = ImageBlobUtility.GetDimensions(image.BinaryData);
PropertyInfo[] properties = image.GetType().GetProperties();
int requiredWidth = imageDimensions.Width;
foreach (var propertyInfo in properties)
{
if (propertyInfo.PropertyType != typeof(Blob))
continue;
//get attribute name
var imageWidthAttribute = (ImageWidthDescriptorAttribute)Attribute.GetCustomAttribute(propertyInfo, typeof(ImageWidthDescriptorAttribute));
var imageScaleAttribute = (ImageScaleDescriptorAttribute)Attribute.GetCustomAttribute(propertyInfo, typeof(ImageScaleDescriptorAttribute));
if (imageWidthAttribute != null)
{
requiredWidth = imageWidthAttribute.Width;
}
else if (imageScaleAttribute != null)
{
requiredWidth = (int) (imageDimensions.Width*imageScaleAttribute.DimensionMultiplier);
}
else
{
continue;
}
var calculatedDimensions = ImageResizeUtility.ResizeWidthMaintainAspectRatio(imageDimensions, requiredWidth);
var imageDescriptor = new ImageDescriptorAttribute(calculatedDimensions.Height, calculatedDimensions.Width);
var thumbnailManager = ServiceLocator.Current.GetInstance<ThumbnailManager>();
var resizedBlob = thumbnailManager.CreateImageBlob(image.BinaryData, propertyInfo.Name, imageDescriptor);
//assign blob to current property
propertyInfo.SetValue(image, resizedBlob, null);
}
}
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