/// <summary>
/// Creates a new filtered WriteableBitmap.
/// </summary>
/// <param name="bmp">The WriteableBitmap.</param>
/// <param name="kernel">The kernel used for convolution.</param>
/// <returns>A new WriteableBitmap that is a filtered version of the input.</returns>
public static WriteableBitmap Convolute(this WriteableBitmap bmp, int[,] kernel)
{
var kernelFactorSum = 0;
foreach (var b in kernel)
{
kernelFactorSum += b;
}
return(bmp.Convolute(kernel, kernelFactorSum, 0));
}
private void GalleryDetailViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == "Item")
{
log.Info("Changing gallery detail source");
_source = ImageSourceFromFile(_model.MediaPath, MAX_WIDTH_IMAGE, MAX_WIDTH_BLUR);
//blur a lot
//TODO try other kernels
WriteableBitmap blur = new WriteableBitmap(ImageSourceFromFile(_model.MediaPath, MAX_WIDTH_BLUR, MAX_HEIGHT_BLUR));
for (int i = 0; i < 10; i++ )
blur = blur.Convolute(WriteableBitmapExtensions.KernelGaussianBlur5x5);
_blurSource = blur;
RaisePropertyChanged("Title");
RaisePropertyChanged("ImageSource");
RaisePropertyChanged("BlurSource");
RaisePropertyChanged("Description");
RaisePropertyChanged("PageLeftButtonVisibility");
RaisePropertyChanged("PageRightButtonVisibility");
}
}