ImageLabel.h

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// -                        Open3D: www.open3d.org                            -
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// The MIT License (MIT)
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// Copyright (c) 2018 www.open3d.org
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#pragma once

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

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

namespace open3d {
namespace visualization {
namespace gui {

class ImageLabel : public Widget {
    using Super = Widget;

public:
    ImageLabel();
    explicit ImageLabel(const char* image_path);
    explicit ImageLabel(visualization::rendering::TextureHandle texture_id,
                        float u0 = 0.0f,
                        float v0 = 0.0f,
                        float u1 = 1.0f,
                        float v1 = 1.0f);
    ImageLabel(std::shared_ptr<UIImage> image);
    ~ImageLabel();

    std::shared_ptr<UIImage> GetImage() const;
    void SetImage(std::shared_ptr<UIImage> image);

    Size CalcPreferredSize(const Theme& theme) const override;

    void Layout(const Theme& theme) override;

    DrawResult Draw(const DrawContext& context) override;

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

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