public override void Handle(HighlightContext context, int threshold, float alpha)
{
Stopwatch sw = new Stopwatch();
sw.Start();
try
{
//calculate the highlighted portion stored into image object
var highlightedImage = Library.ImageHelper.HightlightDifferences(context._unOriginalLeftImage, context._unOriginalRightImage, threshold, alpha);
//blend the image with the original one
var highlightLeftImage = Library.ImageHelper.MatrixBlend(context._unOriginalLeftImage, highlightedImage, (byte)128);
var highlightRightImage = Library.ImageHelper.MatrixBlend(context._unOriginalRightImage, highlightedImage, (byte)128);
//draw image
context.originalForm.Invoke(
new UpdateImageBoxDelegate(UpdateLeftImgBox),
new object[] { highlightLeftImage, context.imageDisplayMode });
context.originalForm.Invoke(
new UpdateImageBoxDelegate(UpdateRightImgBox),
new object[] { highlightRightImage, context.imageDisplayMode });
//release memory from images
highlightedImage.Dispose();
}
catch (Exception ex)
{
_logger.Error("Handle exception: " + ex.Message);
_logger.Error("Handle err Stack: " + ex.StackTrace);
}
finally
{
sw.Stop();
_logger.Info("SideBySideState.Handle takes {0}", sw.Elapsed.ToString());
}
}
/// <summary> /// Handle the highlight logic /// </summary> /// <param name="context"></param> /// <param name="threshold">threshold for diff</param> /// <param name="alpha">alpha value for hightlight color</param> public abstract void Handle(HighlightContext context, int threshold, float alpha);
public override void Handle(HighlightContext context, int threshold, float alpha)
{
//do nothing...
}