private void HandleRedraw(object sender, EventArgs args)
{
if (HoldRedraw)
{
redrawNeeded = true;
return;
}
// System.Diagnostics.StackTrace st = new System.Diagnostics.StackTrace();
// System.Diagnostics.Debug.WriteLine(st.ToString());
CanvasPicture.Invalidate(); //this.Invalidate(true);
}
/// <summary>
/// Invoked when an item is clicked.
/// </summary>
/// <param name="sender">The GridView (or ListView when the application is snapped)
/// displaying the item clicked.</param>
/// <param name="e">Event data that describes the item clicked.</param>
async void ItemView_ItemClick(object sender, ItemClickEventArgs e)
{
var project = ((CanvasProject)e.ClickedItem);
if (project.Id == -1)
{
FileOpenPicker filePicker = new FileOpenPicker();
filePicker.FileTypeFilter.Add(".png");
filePicker.FileTypeFilter.Add(".jpg");
filePicker.FileTypeFilter.Add(".jpeg");
filePicker.ViewMode = PickerViewMode.Thumbnail;
filePicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
filePicker.SettingsIdentifier = "imagePicker";
filePicker.CommitButtonText = "Select Files for Collage";
IReadOnlyCollection <StorageFile> files = await filePicker.PickMultipleFilesAsync();
if (files.Count > 0)
{
project.ImagePath = files.First().Path;
project = new CanvasProject
{
Name = "NewCanvas.canvas",
FilePath = files.First().Path,
ImagePath = files.First().Path + ".canvasimage",
Id = -1
};
int count = 1;
project.Pictures = new List <CanvasPicture>();
foreach (var item in files)
{
CanvasPicture pict = new CanvasPicture
{
Id = count++,
ImagePath = item.Path,
SourceFile = item
};
project.Pictures.Add(pict);
}
}
}
this.Frame.Navigate(typeof(SplitPage), project);
}
