static private TwoPoints DeduceTopLeftAndBottomRightPoints(TwoPoints twoPoints)
{
var result = new TwoPoints();
result.One.X = twoPoints.One.X < twoPoints.Two.X ? twoPoints.One.X : twoPoints.Two.X;
result.One.Y = twoPoints.One.Y < twoPoints.Two.Y ? twoPoints.One.Y : twoPoints.Two.Y;
result.Two.X = twoPoints.One.X > twoPoints.Two.X ? twoPoints.One.X : twoPoints.Two.X;
result.Two.Y = twoPoints.One.Y > twoPoints.Two.Y ? twoPoints.One.Y : twoPoints.Two.Y;
return(result);
}
private void CopyImageSelection()
{
TwoPoints openFrame = DeduceTopLeftAndBottomRightPoints(new TwoPoints(DragMouseStart, DragMouseCurrent));
if (openFrame.One != openFrame.Two)
{
CroppedBitmap cb = new CroppedBitmap((BitmapSource)this.CopiedImage.Source, new Int32Rect((int)openFrame.One.X, (int)openFrame.One.Y, (int)(openFrame.Two.X - openFrame.One.X), (int)(openFrame.Two.Y - openFrame.One.Y)));
((MainWindow)this.Owner).CreateImageFromBitmap(cb);
((MainWindow)this.Owner).CloseCaptureWindow();
}
}
private void UpdateAllGreyingRectanglesPosition()
{
if (this.GreyTop == null)
{
void CreateAllGreyingRectangles()
{
Rectangle CreateOneGreyingRectanble()
{
var rectangle = new Rectangle();
rectangle.Fill = Utils.Globals.GreyAndAlphaBrush;
return(rectangle);
}
this.GreyTop = CreateOneGreyingRectanble();
this.GreyLeft = CreateOneGreyingRectanble();
this.GreyRight = CreateOneGreyingRectanble();
this.GreyBottom = CreateOneGreyingRectanble();
this.CapturingCanvas.Children.Add(this.GreyTop);
this.CapturingCanvas.Children.Add(this.GreyLeft);
this.CapturingCanvas.Children.Add(this.GreyRight);
this.CapturingCanvas.Children.Add(this.GreyBottom);
}
CreateAllGreyingRectangles();
}
//this.DebugOutput.Text = string.Format("[{0},{1}] [{2},{3}]", DragMouseStart.X, DragMouseStart.Y, DragMouseCurrent.X, DragMouseCurrent.Y);
TwoPoints openFrame = DeduceTopLeftAndBottomRightPoints(new TwoPoints(DragMouseStart, DragMouseCurrent));
this.GreyTop.Width = this.CopiedImage.ActualWidth;
this.GreyTop.Height = openFrame.One.Y;
Canvas.SetLeft(this.GreyTop, 0);
Canvas.SetTop(this.GreyTop, 0);
this.GreyLeft.Width = openFrame.One.X;
this.GreyLeft.Height = this.CopiedImage.ActualHeight - openFrame.One.Y;
Canvas.SetLeft(this.GreyLeft, 0);
Canvas.SetTop(this.GreyLeft, openFrame.One.Y);
this.GreyRight.Width = this.CopiedImage.ActualWidth - openFrame.Two.X;
this.GreyRight.Height = this.CopiedImage.ActualHeight - openFrame.One.Y;
Canvas.SetLeft(this.GreyRight, openFrame.Two.X);
Canvas.SetTop(this.GreyRight, openFrame.One.Y);
this.GreyBottom.Width = openFrame.Two.X - openFrame.One.X;
this.GreyBottom.Height = this.CopiedImage.ActualHeight - openFrame.Two.Y;
Canvas.SetLeft(this.GreyBottom, openFrame.One.X);
Canvas.SetTop(this.GreyBottom, openFrame.Two.Y);
}