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PaintBrush: Factor out the pen tool into an actual PenTool class.

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Also add a Tool base class, and an empty BucketTool subclass which is the
next thing to implement.
This commit is contained in:
Andreas Kling 2019-06-14 18:51:57 +02:00
parent a12751695e
commit 56cbe15033
10 changed files with 185 additions and 33 deletions
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17
Applications/PaintBrush/PaintableWidget.h
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@ -2,8 +2,12 @@
#include <LibGUI/GWidget.h>
class Tool;
class PaintableWidget final : public GWidget {
public:
static PaintableWidget& the();
explicit PaintableWidget(GWidget* parent);
virtual ~PaintableWidget() override;
@ -15,17 +19,24 @@ public:
void set_primary_color(Color color) { m_primary_color = color; }
void set_secondary_color(Color color) { m_secondary_color = color; }
void set_tool(Tool* tool) { m_tool = tool; }
Tool* tool() { return m_tool; }
Color color_for(const GMouseEvent&);
GraphicsBitmap& bitmap() { return *m_bitmap; }
const GraphicsBitmap& bitmap() const { return *m_bitmap; }
private:
virtual void paint_event(GPaintEvent&) override;
virtual void mousedown_event(GMouseEvent&) override;
virtual void mouseup_event(GMouseEvent&) override;
virtual void mousemove_event(GMouseEvent&) override;
Color color_for(const GMouseEvent&);
Point m_last_drawing_event_position { -1, -1 };
RetainPtr<GraphicsBitmap> m_bitmap;
Color m_primary_color { Color::Black };
Color m_secondary_color { Color::White };
Tool* m_tool { nullptr };
};