private void DrawSelect_MouseUp()
{
if (SelectRectangle != null && currentSelectedImage == null)
{
if (SelectRectangle.Height < 2 || SelectRectangle.Width < 2)
{
paintCanvas.Children.Remove(SelectRectangle);
SelectRectangle = null;
}
else
{
paintCanvas.Children.Remove(SelectRectangle);
currentSelectedImage = CanvasUltilities.Crop(paintCanvas, Canvas.GetLeft(SelectRectangle), Canvas.GetTop(SelectRectangle), SelectRectangle.Width, SelectRectangle.Height);
//Add replace rectangle to Hide view behind cropped region
Rectangle replace = new Rectangle()
{
Width = SelectRectangle.Width,
Height = SelectRectangle.Height,
Stroke = Brushes.Transparent,
StrokeThickness = 0,
Fill = Brushes.White
};
Canvas.SetLeft(replace, Canvas.GetLeft(SelectRectangle));
Canvas.SetTop(replace, Canvas.GetTop(SelectRectangle));
paintCanvas.Children.Add(replace);
currentSelectedImage.Stretch = Stretch.Fill;
currentSelectedImage.StretchDirection = StretchDirection.Both;
Canvas.SetLeft(currentSelectedImage, Canvas.GetLeft(SelectRectangle));
Canvas.SetTop(currentSelectedImage, Canvas.GetTop(SelectRectangle));
currentSelectedImage.Width = currentSelectedImage.Source.Width;
currentSelectedImage.Height = currentSelectedImage.Source.Height;
paintCanvas.Children.Add(currentSelectedImage);
Adorner image_adorner = new SelectAdorner(currentSelectedImage);
adlayer.Add(image_adorner);
}
}
}
private Image paintCanvas_CropAt(int x, int y, double w, double h)
{
return(CanvasUltilities.Crop(paintCanvas, x, y, w, h));
}