ColorEdit.h

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#pragma once

#include <functional>

#include "open3d/visualization/gui/Widget.h"

namespace open3d {
namespace visualization {
namespace gui {

class ColorEdit : public Widget {
public:
    ColorEdit();
    ~ColorEdit() override;

    void SetValue(const Color& color);
    void SetValue(float r, float g, float b);

    const Color& GetValue() const;

    Size CalcPreferredSize(const LayoutContext& context,
                           const Constraints& constraints) const override;

    DrawResult Draw(const DrawContext& context) override;

    void SetOnValueChanged(std::function<void(const Color&)> on_value_changed);

private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};

}  // namespace gui
}  // namespace visualization
}  // namespace open3d