private void DrawingArea_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (sender == null || !(sender is Canvas))
{
throw new ArgumentException("expected only Canvas", "sender");
}
//Status = "ready";
var canvas = (Canvas)sender;
if (!keyIsDown)
{
return;
}
switch (tool)
{
case Tools.Filtering:
{
ReinitializeMask();
DrawingBrush.Visibility = Visibility.Hidden;
} break;
case Tools.Line:
{
double x = e.GetPosition(canvas).X;
double y = e.GetPosition(canvas).Y;
int startX = (int)currentLineStart.X;
int startY = (int)currentLineStart.Y;
int endX = (int)x;
int endY = (int)y;
bitmapArray.CopyArea(bitmapArrayTemp);
if (bitmapArrayWithoutLines == null)
{
bitmapArrayWithoutLines = new FastBitmapArray(bitmapArray);
}
if (multisamplingForNewLines)
{
int scaling = 2;
bitmapArrayWithoutLines = bitmapArrayWithoutLines.ScaleUp(scaling);
var l = new Line(scaling * startX, scaling * startY, scaling * endX, scaling * endY,
lineColor.ScR, lineColor.ScG, lineColor.ScB, scaling * (int)lineThickness);
bitmapArrayWithoutLines.DrawLine(l);
bitmapArrayWithoutLines = bitmapArrayWithoutLines.ScaleDown(scaling);
SetBitmapArray(bitmapArrayWithoutLines);
}
else
{
var l = new Line(startX, startY, endX, endY,
lineColor.ScR, lineColor.ScG, lineColor.ScB, (int)lineThickness);
bitmapArray.DrawLine(l);
bitmapArray.RefreshBitmap(Mask.Disabled);
Lines.Add(l);
}
bitmapArrayTemp = null;
//LineAdd.IsEnabled = true;
//LineUpdate.IsEnabled = true;
} break;
}
if (canvas.IsMouseCaptured)
{
canvas.ReleaseMouseCapture();
}
if (keyIsDown)
{
keyIsDown = false;
}
}