private void _htmlScreenCapture_HtmlScreenCaptureAvailable(object sender, HtmlScreenCaptureAvailableEventArgsCore e)
{
if (HtmlScreenCaptureAvailable != null)
{
HtmlScreenCaptureAvailableEventArgs ea = new HtmlScreenCaptureAvailableEventArgs(e.Bitmap);
HtmlScreenCaptureAvailable(this, ea);
e.CaptureCompleted = ea.CaptureCompleted;
}
}
private void screenCapture_HtmlScreenCaptureAvailable(object sender, HtmlScreenCaptureAvailableEventArgsCore e)
{
if (e.CaptureCompleted && e.Bitmap != null)
{
// Ensure that the path exists
try
{
// Problem because this check is pumping messages on bg thread?
string directory = BlogEditingTemplate.GetBlogTemplateDir(_blogId);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
}
catch (Exception ex)
{
Trace.Fail(ex.ToString());
return;
}
// Now we should have all of the element images
foreach (string elementId in _screenCapture.Ids)
{
using (Bitmap elementBitmap = _screenCapture.GetElementCaptureProperties(elementId).Bitmap)
{
// Warning. elementBitmap may be null.
string path = SemanticHtmlPreviewManager.GetPreviewBitmapPath(_blogId, elementId);
try
{
// We take the lock here to ensure that we don't try to read a halfway-written file on the UI thread.
lock (_previewLock)
{
ElementCaptureProperties properties = _screenCapture.GetElementCaptureProperties(elementId);
using (Bitmap previewBitmap = GetGalleryPreviewImageFromElementImage(elementBitmap, _previewImageWidth, _previewImageHeight, properties.BackgroundColor, properties.Padding, _isRtl))
{
previewBitmap.Save(path);
}
}
}
catch (Exception ex)
{
Trace.WriteLine("Failed to get preview image for blog(" + _blogId + ") and element(" + elementId + "): " + ex);
try
{
File.Delete(path);
}
catch (Exception ex2)
{
Trace.WriteLine("Failed to delete preview image after failing to get it:" + ex2);
}
return;
}
}
}
try
{
_editingSite.FrameWindow.Invoke(new ThreadStart(() => _editingSite.CommandManager.Invalidate(
CommandId.SemanticHtmlGallery)), null);
}
catch (Exception ex)
{
Trace.WriteLine("NotifyWeblogStylePreviewChanged failed: " + ex.Message);
}
}
}
