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66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkOpenGLLabeledContourMapper.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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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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/**
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* @class vtkOpenGLLabeledContourMapper
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*
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* vtkOpenGLLabeledContourMapper is an override for vtkLabeledContourMapper
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* that implements stenciling using the OpenGL2 API.
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*/
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#ifndef vtkOpenGLLabeledContourMapper_h
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#define vtkOpenGLLabeledContourMapper_h
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#include "vtkLabeledContourMapper.h"
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#include "vtkRenderingOpenGL2Module.h" // For export macro
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class vtkMatrix4x4;
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class vtkOpenGLHelper;
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class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLLabeledContourMapper : public vtkLabeledContourMapper
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{
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public:
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static vtkOpenGLLabeledContourMapper* New();
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vtkTypeMacro(vtkOpenGLLabeledContourMapper, vtkLabeledContourMapper);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Release graphics resources
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*/
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void ReleaseGraphicsResources(vtkWindow* win) override;
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protected:
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vtkOpenGLLabeledContourMapper();
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~vtkOpenGLLabeledContourMapper() override;
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// We override this for compatibility with the OpenGL backend:
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// The old backend pushes actor matrices onto the matrix stack, so the text
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// actors already accounted for any transformations on this mapper's actor.
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// The new backend passes each actor's matrix to the shader individually, and
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// this mapper's actor matrix doesn't affect the label rendering.
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bool CreateLabels(vtkActor* actor) override;
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bool ApplyStencil(vtkRenderer* ren, vtkActor* act) override;
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bool RemoveStencil(vtkRenderer* ren) override;
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vtkOpenGLHelper* StencilBO;
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vtkMatrix4x4* TempMatrix4;
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private:
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vtkOpenGLLabeledContourMapper(const vtkOpenGLLabeledContourMapper&) = delete;
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void operator=(const vtkOpenGLLabeledContourMapper&) = delete;
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};
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#endif
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