mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
89 lines
2.8 KiB
C++
89 lines
2.8 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_CanvasGL_h
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#define vtk_m_rendering_CanvasGL_h
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#include <vtkm/rendering/vtkm_rendering_export.h>
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#include <vtkm/rendering/BitmapFont.h>
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#include <vtkm/rendering/Canvas.h>
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#include <vtkm/rendering/TextureGL.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 CanvasGL : public Canvas
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{
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public:
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CanvasGL(vtkm::Id width = 1024, vtkm::Id height = 1024);
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~CanvasGL();
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void Initialize() override;
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void Activate() override;
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void Clear() override;
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void Finish() override;
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vtkm::rendering::Canvas* NewCopy() const override;
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void SetViewToWorldSpace(const vtkm::rendering::Camera& camera, bool clip) override;
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void SetViewToScreenSpace(const vtkm::rendering::Camera& camera, bool clip) override;
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void SetViewportClipping(const vtkm::rendering::Camera& camera, bool clip) override;
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void RefreshColorBuffer() const override;
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virtual void RefreshDepthBuffer() const override;
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vtkm::rendering::WorldAnnotator* CreateWorldAnnotator() const override;
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protected:
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void AddLine(const vtkm::Vec<vtkm::Float64, 2>& point0,
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const vtkm::Vec<vtkm::Float64, 2>& point1,
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vtkm::Float32 linewidth,
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const vtkm::rendering::Color& color) const override;
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void AddColorBar(const vtkm::Bounds& bounds,
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const vtkm::cont::ColorTable& colorTable,
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bool horizontal) const override;
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void AddColorSwatch(const vtkm::Vec<vtkm::Float64, 2>& point0,
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const vtkm::Vec<vtkm::Float64, 2>& point1,
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const vtkm::Vec<vtkm::Float64, 2>& point2,
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const vtkm::Vec<vtkm::Float64, 2>& point3,
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const vtkm::rendering::Color& color) const override;
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void AddText(const vtkm::Vec<vtkm::Float32, 2>& position,
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vtkm::Float32 scale,
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vtkm::Float32 angle,
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vtkm::Float32 windowAspect,
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const vtkm::Vec<vtkm::Float32, 2>& anchor,
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const vtkm::rendering::Color& color,
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const std::string& text) const override;
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private:
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vtkm::rendering::BitmapFont Font;
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vtkm::rendering::TextureGL FontTexture;
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void RenderText(vtkm::Float32 scale,
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const vtkm::Vec<vtkm::Float32, 2>& anchor,
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const std::string& text) const;
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};
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}
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} //namespace vtkm::rendering
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#endif //vtk_m_rendering_CanvasGL_h
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