mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 21:33:55 +00:00
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_rendering_TextAnnotation_h
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#define vtk_m_rendering_TextAnnotation_h
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#include <vtkm/rendering/vtkm_rendering_export.h>
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#include <vtkm/rendering/Camera.h>
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#include <vtkm/rendering/Canvas.h>
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#include <vtkm/rendering/WorldAnnotator.h>
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namespace vtkm
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{
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namespace rendering
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{
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class VTKM_RENDERING_EXPORT TextAnnotation
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{
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public:
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enum HorizontalAlignment
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{
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Left,
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HCenter,
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Right
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};
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enum VerticalAlignment
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{
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Bottom,
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VCenter,
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Top
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};
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protected:
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std::string Text;
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Color TextColor;
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vtkm::Float32 Scale;
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vtkm::Vec2f_32 Anchor;
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public:
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TextAnnotation(const std::string& text,
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const vtkm::rendering::Color& color,
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vtkm::Float32 scalar);
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virtual ~TextAnnotation();
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void SetText(const std::string& text);
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const std::string& GetText() const;
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/// Set the anchor point relative to the box containing the text. The anchor
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/// is scaled in both directions to the range [-1,1] with -1 at the lower
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/// left and 1 at the upper right.
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///
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void SetRawAnchor(const vtkm::Vec2f_32& anchor);
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void SetRawAnchor(vtkm::Float32 h, vtkm::Float32 v);
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void SetAlignment(HorizontalAlignment h, VerticalAlignment v);
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void SetScale(vtkm::Float32 scale);
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virtual void Render(const vtkm::rendering::Camera& camera,
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const vtkm::rendering::WorldAnnotator& worldAnnotator,
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vtkm::rendering::Canvas& canvas) const = 0;
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};
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}
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} //namespace vtkm::rendering
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#endif //vtk_m_rendering_TextAnnotation_h
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