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97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkSingleVTPExporter.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 vtkSingleVTPExporter
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* @brief export a scene into a single vtp file and png texture
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*
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* vtkSingleVTPExporter is a concrete subclass of vtkExporter that writes
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* a .vtp file and a .png file containing the polydata and texture
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* elements of the scene.
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*
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* If ActiveRenderer is specified then it exports contents of
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* ActiveRenderer. Otherwise it exports contents of all renderers.
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*
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* @sa
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* vtkExporter
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*/
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#ifndef vtkSingleVTPExporter_h
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#define vtkSingleVTPExporter_h
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#include "vtkExporter.h"
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#include "vtkIOExportModule.h" // For export macro
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#include <vector> // for method args
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class vtkActor;
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class vtkPolyData;
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class vtkTexture;
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class VTKIOEXPORT_EXPORT vtkSingleVTPExporter : public vtkExporter
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{
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public:
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static vtkSingleVTPExporter* New();
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vtkTypeMacro(vtkSingleVTPExporter, vtkExporter);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Specify the prefix of the files to write out. The resulting filenames
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* will have .vtp and .png appended to them.
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*/
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vtkSetStringMacro(FilePrefix);
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vtkGetStringMacro(FilePrefix);
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//@}
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// computes the file prefix from a filename by removing
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// the .vtp extension if present. Useful for APIs that
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// are filename centric.
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void SetFileName(const char*);
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protected:
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vtkSingleVTPExporter();
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~vtkSingleVTPExporter() override;
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void WriteData() override;
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class actorData
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{
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public:
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vtkActor* Actor = nullptr;
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vtkTexture* Texture = nullptr;
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int ImagePosition[2];
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double URange[2];
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double VRange[2];
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bool HaveRepeatingTexture = false;
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};
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int TextureSize[2];
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void WriteTexture(std::vector<actorData>& actors);
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void WriteVTP(std::vector<actorData>& actors);
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char* FilePrefix;
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// handle repeating textures by subdividing triangles
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// so that they do not span mode than 0.0-1.5 of texture
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// range.
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vtkPolyData* FixTextureCoordinates(vtkPolyData*);
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// recursive method that handles one triangle
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void ProcessTriangle(const vtkIdType* pts, vtkPolyData* out);
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private:
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vtkSingleVTPExporter(const vtkSingleVTPExporter&) = delete;
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void operator=(const vtkSingleVTPExporter&) = delete;
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};
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#endif
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