private void OnMouseUp(MouseEventArgsWrapper obj)
{
if (obj.MouseEventArgs.LeftButton == MouseButtonState.Released)
{
var n = new CroppedBitmap(Image, new Int32Rect((int)Rectangle.Left, (int)Rectangle.Top, (int)Rectangle.Width, (int)Rectangle.Height));
Image = n;
Rectangle = null;
}
}
private void OnMouseDown(MouseEventArgsWrapper obj)
{
if (obj.MouseEventArgs.LeftButton == MouseButtonState.Pressed)
{
Rectangle = new RectangleViewmodel
{
Left = obj.Point.X,
Top = obj.Point.Y
};
}
}
private void OnMouseMove(MouseEventArgsWrapper obj)
{
if (obj.MouseEventArgs.LeftButton == MouseButtonState.Released || Rectangle == null)
{
return;
}
var x = _mathUtil.Min(obj.Point.X, Rectangle.Left);
var y = _mathUtil.Min(obj.Point.Y, Rectangle.Top);
Rectangle.Left = x;
Rectangle.Top = y;
var w = _mathUtil.Max(obj.Point.X, Rectangle.Left) - x;
var h = _mathUtil.Max(obj.Point.Y, Rectangle.Top) - y;
Rectangle.Width = w;
Rectangle.Height = h;
}
