protected override void UpdateWithLocation(Rectangle rect, Keys modifiers, Point end)
{
shouldApplyCharacter = ApplyCharacter; //modifiers.HasFlag (Key.Shift | Application.Instance.CommonModifier) ^ ApplyCharacter;
shouldApplyColour = ApplyColour; //modifiers.HasFlag (Key.Alt | Application.Instance.CommonModifier) ^ ApplyColour;
var oldRect = currentRect;
rect.Normalize();
lines.Clear();
if (!Filled)
{
var templines = new ScanLines();
currentRect = rect = templines.AddEllipse(rect);
ScanLinesDrawDelegate draw = (drawrect) => {
lines.AddRect(drawrect);
};
templines.Outline(draw);
}
else
{
currentRect = rect = lines.AddEllipse(rect);
}
if (oldRect != null)
{
rect = Rectangle.Union(rect, oldRect.Value);
}
UpdatingCursor = true;
Handler.CursorPosition = end;
UpdatingCursor = false;
Handler.InvalidateCharacterRegion(rect, false, false);
}
public void Do(Point?cursorPosition, Rectangle rect, CanvasElement element, bool applyColour, bool applyCharacter, bool filled)
{
var canvas = Handler.CurrentPage.Canvas;
Handler.Undo.Save(cursorPosition, cursorPosition, rect);
var lines = new ScanLines();
lines.AddEllipse(rect);
ScanLinesDrawDelegate draw = (linerect) => {
if (applyColour && applyCharacter)
{
canvas.Fill(linerect, element);
}
else if (applyColour)
{
canvas.Fill(linerect, element.Attribute);
}
else if (applyCharacter)
{
canvas.Fill(linerect, element.Character);
}
};
if (filled)
{
lines.Fill(draw);
}
else
{
lines.Outline(draw);
}
Handler.InvalidateCharacterRegion(rect, true, false);
Handler.Document.IsModified = true;
}