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#pragma once
#include "cru/platform/graph/brush.hpp"
#include "cru/ui/base.hpp"
#include "render_object.hpp"
#include <memory>
namespace cru::platform::graph {
class Brush;
class Geometry;
} // namespace cru::platform::graph
namespace cru::ui::render {
struct CornerRadius {
constexpr CornerRadius()
: left_top(), right_top(), left_bottom(), right_bottom() {}
constexpr CornerRadius(const Point& value)
: left_top(value),
right_top(value),
left_bottom(value),
right_bottom(value) {}
constexpr CornerRadius(Point left_top, Point right_top, Point left_bottom,
Point right_bottom)
: left_top(left_top),
right_top(right_top),
left_bottom(left_bottom),
right_bottom(right_bottom) {}
Point left_top;
Point right_top;
Point left_bottom;
Point right_bottom;
};
struct BorderStyle {
std::shared_ptr<platform::graph::Brush> brush;
Thickness thickness;
CornerRadius corner_radius;
};
class BorderRenderObject : public RenderObject {
public:
explicit BorderRenderObject(std::shared_ptr<platform::graph::Brush> brush);
BorderRenderObject(const BorderRenderObject& other) = delete;
BorderRenderObject(BorderRenderObject&& other) = delete;
BorderRenderObject& operator=(const BorderRenderObject& other) = delete;
BorderRenderObject& operator=(BorderRenderObject&& other) = delete;
~BorderRenderObject() override = default;
bool IsEnabled() const { return is_enabled_; }
void SetEnabled(bool enabled) { is_enabled_ = enabled; }
std::shared_ptr<platform::graph::Brush> GetBrush() const {
return style_.brush;
}
void SetBrush(std::shared_ptr<platform::graph::Brush> new_brush) {
style_.brush = std::move(new_brush);
}
Thickness GetBorderWidth() const { return style_.thickness; }
// Remember to call Refresh after set shape properties.
void SetBorderWidth(const Thickness& thickness) {
style_.thickness = thickness;
}
CornerRadius GetCornerRadius() const { return style_.corner_radius; }
// Remember to call Refresh after set shape properties.
void SetCornerRadius(const CornerRadius& new_corner_radius) {
style_.corner_radius = new_corner_radius;
}
BorderStyle GetStyle() const {
return style_;
}
// Remember to call Refresh after set shape properties.
void SetStyle(BorderStyle newStyle) {
style_ = std::move(newStyle);
}
void Refresh() { RecreateGeometry(); }
void Draw(platform::graph::Painter* painter) override;
RenderObject* HitTest(const Point& point) override;
protected:
void OnAddChild(RenderObject* new_child, int position) override;
void OnSizeChanged(const Size& old_size, const Size& new_size) override;
void OnMeasureCore(const Size& available_size) override;
void OnLayoutCore(const Rect& rect) override;
Size OnMeasureContent(const Size& available_size) override;
void OnLayoutContent(const Rect& content_rect) override;
private:
RenderObject* GetChild() const {
return GetChildren().empty() ? nullptr : GetChildren()[0];
}
void RecreateGeometry();
private:
bool is_enabled_ = false;
BorderStyle style_;
// The ring. Used for painting.
std::shared_ptr<platform::graph::Geometry> geometry_ = nullptr;
// Area including border ring and inner area. Used for hit test.
std::shared_ptr<platform::graph::Geometry> border_outer_geometry_ = nullptr;
};
} // namespace cru::ui::render
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