private void DisplayWholeCurrentPage()
        {
            currentPageDisplayed = true;

            var bmp = BitmapFromUri(new Uri(ComicPages[CurrentPageIndex]));

            ComicPresenter.ChangeSource(bmp, panelFadeOut, panelFadeIn);
        }
        private void DisplayNextPanel()
        {
            if (PanelsInfo.PanelDefinitions[CurrentPageIndex].PanelCount > 0)
            {
                byte[] bts = File.ReadAllBytes(ComicPages[CurrentPageIndex]);

                WriteableBitmap bmp = new WriteableBitmap(BitmapFromUri(new Uri(ComicPages[CurrentPageIndex])));

                bmp = GetCroppedPart(bmp, PanelsInfo.PanelDefinitions[CurrentPageIndex].Panels[CurrentPanelIndex].RelativePosition);

                ComicPresenter.ChangeSource(bmp, panelFadeOut, panelFadeIn);
            }
            else
            {
                var bmp = BitmapFromUri(new Uri(ComicPages[CurrentPageIndex]));
                ComicPresenter.ChangeSource(bmp, panelFadeOut, panelFadeIn);
            }
        }