private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
{
Vm.DisplayPreview();
WideCanvasControl.Invalidate();
Vm.DisplaySquarePreview();
SquareCanvasControl.Invalidate();
}
private void TextBox_LostFocus(object sender, RoutedEventArgs e)
{
Vm.DisplayPreview();
WideCanvasControl.Invalidate();
Vm.DisplaySquarePreview();
SquareCanvasControl.Invalidate();
}
/// <summary>
/// Open Image and load to ViewModel
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public async void OpenImage_Tapped(object sender, TappedRoutedEventArgs e)
{
FileOpenPicker openPicker = new FileOpenPicker
{
ViewMode = PickerViewMode.Thumbnail,
SuggestedStartLocation = PickerLocationId.PicturesLibrary
};
openPicker.FileTypeFilter.Add(".jpg");
openPicker.FileTypeFilter.Add(".jpeg");
openPicker.FileTypeFilter.Add(".png");
openPicker.FileTypeFilter.Add(".bmp");
Vm.File = await openPicker.PickSingleFileAsync();
if (Vm.File == null)
{
return;
}
using (IRandomAccessStream fileStream = await Vm.File.OpenAsync(FileAccessMode.Read))
{
// Set the image source to the selected bitmap
BitmapImage bm = new BitmapImage();
await bm.SetSourceAsync(fileStream);
Vm.MaxWidth = bm.PixelWidth;
Vm.MaxHeight = bm.PixelHeight;
XPos.Maximum = Vm.MaxWidth;
YPos.Maximum = Vm.MaxHeight;
XPos.Minimum = Vm.MaxWidth * (-1);
YPos.Minimum = Vm.MaxHeight * (-1);
//Square
Vm.SMaxWidth = bm.PixelWidth;
Vm.SMaxHeight = bm.PixelHeight;
SqXPos.Maximum = Vm.SMaxWidth;
SqYPos.Maximum = Vm.SMaxHeight;
SqXPos.Minimum = Vm.SMaxWidth * (-1);
SqYPos.Minimum = Vm.SMaxHeight * (-1);
}
await Vm.LoadBitmap();
Vm.IsCaculation = true;
Vm.SIsCaculation = true;
Vm.DisplayPreview();
Vm.DisplaySquarePreview();
WideCanvasControl.Invalidate();
SquareCanvasControl.Invalidate();
}
private void DrawButton_OnClick(object sender, RoutedEventArgs e)
{
Vm.IsCaculation = true;
Vm.DisplayPreview();
WideCanvasControl.Invalidate();
if (!Vm.IsManualAdjustSquareImage)
{
Vm.SIsCaculation = true;
Vm.DisplaySquarePreview();
SquareCanvasControl.Invalidate();
}
}
public void InvalidateCanvasControl()
{
WideCanvasControl.Invalidate();
SquareCanvasControl.Invalidate();
}