protected override void OnMouseDown(MouseEventArgs e)
{
Point pos = new Point(e.X, e.Y);
this.contiguous = ((ModifierKeys & Keys.Shift) == 0);
if (Document.Bounds.Contains(pos))
{
base.OnMouseDown(e);
PdnRegion currentRegion = Selection.CreateRegion();
// See if the mouse click is valid
if (!currentRegion.IsVisible(pos) && limitToSelection)
{
currentRegion.Dispose();
currentRegion = null;
return;
}
// Set the current surface, color picked and color to draw
Surface surface = ((BitmapLayer)ActiveLayer).Surface;
IBitVector2D stencilBuffer = new BitVector2DSurfaceAdapter(this.ScratchSurface);
Rectangle boundingBox;
int tolerance = (int)(AppEnvironment.Tolerance * AppEnvironment.Tolerance * 256);
if (contiguous)
{
FillStencilFromPoint(surface, stencilBuffer, pos, tolerance, out boundingBox, currentRegion, limitToSelection);
}
else
{
FillStencilByColor(surface, stencilBuffer, surface[pos], tolerance, out boundingBox, currentRegion, limitToSelection);
}
Point[][] polygonSet = PdnGraphicsPath.PolygonSetFromStencil(stencilBuffer, boundingBox, 0, 0);
OnFillRegionComputed(polygonSet);
}
base.OnMouseDown(e);
}