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PaintBrush: Implement a thickness setting for the pen tool.

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Painter gains the ability to draw lines with arbitrary thickness.
It's basically implemented by drawing filled rects for thickness>1.

In PaintBrush, Tool classes can now override on_contextmenu() to
provide a context menu for the toolbox button. :^)
This commit is contained in:
Andreas Kling 2019-06-23 10:00:02 +02:00
parent 08c04f0a41
commit 5aefd7f828
6 changed files with 57 additions and 21 deletions
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Applications/PaintBrush/Tool.h
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@ -12,6 +12,7 @@ public:
virtual void on_mousedown(GMouseEvent&) { }
virtual void on_mousemove(GMouseEvent&) { }
virtual void on_mouseup(GMouseEvent&) { }
virtual void on_contextmenu(GContextMenuEvent&) { }
void clear() { m_widget = nullptr; }
void setup(PaintableWidget& widget) { m_widget = widget.make_weak_ptr(); }