/// <summary>
/// Notification that the resizing of the specified ISmartContent object is about to begin.
/// Overrides of this method can set the values within the passed ResizeOptions class
/// to control various aspects of resizing behavior.
/// </summary>
/// <param name="content">SmartContent which is being resized.</param>
/// <param name="options">Options which control resizing behavior.</param>
public virtual void OnResizeStart(ISmartContent content, ResizeOptions options)
{
}
/// <summary>
/// Notification that the resizing of the specified ISmartContent object is about to begin.
/// Overrides of this method can set the values within the passed ResizeOptions class
/// to control various aspects of resizing behavior.
/// </summary>
/// <param name="content">SmartContent which is being resized.</param>
/// <param name="options">Options which control resizing behavior.</param>
public virtual void OnResizeStart(ISmartContent content, ResizeOptions options)
{
}
public override void OnResizeStart(ISmartContent content, ResizeOptions options)
{
// access content object
VideoSmartContent VideoContent = new VideoSmartContent(content);
// make sure we keep to the current aspect ratio
options.AspectRatio = VideoContent.HtmlSize.Width / (double)VideoContent.HtmlSize.Height;
}
protected override void OnResizeStart(Size size, bool preserveAspectRatio)
{
_resizeUndo = EditorContext.CreateUndoUnit();
base.OnResizeStart(size, preserveAspectRatio);
// save references
_initialParentSize = size;
_preserveAspectRatio = preserveAspectRatio;
// initialize smart content
string contentSourceId;
string contentId;
ContentSourceManager.ParseContainingElementId(HTMLElement.id, out contentSourceId, out contentId);
// clone the smart content for resizing so that settings changes made during the resize
//operation are undoable
String newContentId = Guid.NewGuid().ToString();
SmartContent content = (SmartContent)_contentSourceContext.CloneSmartContent(contentId, newContentId);
if (content == null)
{
Trace.WriteLine("Could not clone smart content for resize.");
return;
}
HTMLElement.id = ContentSourceManager.MakeContainingElementId(contentSourceId, newContentId);
// call sizer
ResizeOptions resizeOptions = new ResizeOptions();
_contentSource.OnResizeStart(content, resizeOptions);
// determine the target size
IHTMLElement targetSizeElement = GetResizeTargetElement(resizeOptions.ResizeableElementId);
_initialTargetSize = new Size(targetSizeElement.offsetWidth, targetSizeElement.offsetHeight);
// Account for areas of the smart content that are not being scaled when preserving aspect ratio.
// For example, in YouTube plugin, label text below the image.
UpdateResizerAspectRatioOffset(_initialParentSize - _initialTargetSize);
// determine the aspect ratio
if (resizeOptions.AspectRatio > 0)
_aspectRatio = resizeOptions.AspectRatio;
else
_aspectRatio = ((double)_initialTargetSize.Width) / _initialTargetSize.Height;
}
public override void OnResizeStart(ISmartContent content, ResizeOptions options)
{
//force the resize operation to scale based on the size of the map image.
MapSettings settings = new MapSettings(content.Properties);
options.ResizeableElementId = settings.MapId;
}