55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
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// ----------------------------------------------------------------------------
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// - Open3D: www.open3d.org -
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// ----------------------------------------------------------------------------
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// Copyright (c) 2018-2023 www.open3d.org
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// SPDX-License-Identifier: MIT
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// ----------------------------------------------------------------------------
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#pragma once
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#include <memory>
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#include "open3d/visualization/gui/Color.h"
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namespace open3d {
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namespace visualization {
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namespace gui {
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// Label3D is a helper class for labels (like UI Labels) at 3D points as opposed
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// to screen points. It is NOT a UI widget but is instead used via Open3DScene
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// class. See Open3DScene::AddLabel/RemoveLabel.
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class Label3D {
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public:
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/// Copies text
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explicit Label3D(const Eigen::Vector3f& pos, const char* text = nullptr);
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~Label3D();
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const char* GetText() const;
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/// Sets the text of the label (copies text)
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void SetText(const char* text);
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Eigen::Vector3f GetPosition() const;
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void SetPosition(const Eigen::Vector3f& pos);
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/// Returns the color with which the text will be drawn
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Color GetTextColor() const;
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/// Set the color with which the text will be drawn
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void SetTextColor(const Color& color);
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/// Get the current scale. See not below on meaning of scale.
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float GetTextScale() const;
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/// Sets the scale factor for the text sprite. It does not change the
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/// underlying font size but scales how large it appears. Warning: large
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/// scale factors may result in blurry text.
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void SetTextScale(float scale);
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private:
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struct Impl;
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std::unique_ptr<Impl> impl_;
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};
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} // namespace gui
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} // namespace visualization
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} // namespace open3d
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