blob: 8343a5f5240c53762d96a1fc63464fc15b622d5c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
#pragma once
#include "RenderObject.h"
#include "cru/common/Event.h"
namespace cru::ui::render {
// Layout logic:
// If no preferred size is set. Then (100, 100) is used and then coerced to
// required range.
class CRU_UI_API CanvasRenderObject : public RenderObject {
public:
CanvasRenderObject();
CRU_DELETE_COPY(CanvasRenderObject)
CRU_DELETE_MOVE(CanvasRenderObject)
~CanvasRenderObject();
public:
RenderObject* HitTest(const Point& point) override;
Size GetDesiredSize() const { return desired_size_; }
IEvent<CanvasPaintEventArgs>* PaintEvent() { return &paint_event_; }
void Draw(platform::graphics::IPainter* painter) override;
protected:
Size OnMeasureContent(const MeasureRequirement& requirement,
const MeasureSize& preferred_size) override;
void OnLayoutContent(const Rect& content_rect) override;
private:
Size desired_size_{};
Event<CanvasPaintEventArgs> paint_event_;
};
} // namespace cru::ui::render
|
