private void DrawSubdivision(Subdivision division)
{
// default to empty subdivision
if (division == null)
{
division = new Subdivision();
}
_division = division;
_division.Validate();
SubdivisionTest.DrawSubdivision(OutputBox, FontSize, division);
}
private void OnIntersect(object sender, RoutedEventArgs args)
{
args.Handled = true;
RectD bounds = OutputBounds;
double x = bounds.Left + (double)LeftUpDown.Value;
double y = bounds.Top + (double)TopUpDown.Value;
double dx = (double)WidthUpDown.Value;
double dy = (double)HeightUpDown.Value;
Subdivision rectangle;
if (sender == RectangleButton)
{
rectangle = Subdivision.FromLines(new LineD[] {
new LineD(x, y, x + dx, y),
new LineD(x + dx, y, x + dx, y + dy),
new LineD(x + dx, y + dy, x, y + dy),
new LineD(x, y + dy, x, y)
});
}
else if (sender == DiamondButton)
{
rectangle = Subdivision.FromLines(new LineD[] {
new LineD(x + dx / 2, y, x + dx, y + dy / 2),
new LineD(x + dx, y + dy / 2, x + dx / 2, y + dy),
new LineD(x + dx / 2, y + dy, x, y + dy / 2),
new LineD(x, y + dy / 2, x + dx / 2, y)
});
}
else
{
return;
}
rectangle.Validate();
_division = Subdivision.Intersection(_division, rectangle, out _faceKeys);
_division.Validate();
SubdivisionTest.DrawSubdivision(OutputBox, FontSize, _division);
}