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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkSTLWriter
* @brief write stereo lithography files
*
* vtkSTLWriter writes stereo lithography (.stl) files in either ASCII or
* binary form. Stereo lithography files contain only triangles. Since VTK 8.1,
* this writer converts non-triangle polygons into triangles, so there is no
* longer a need to use vtkTriangleFilter prior to using this writer if the
* input contains polygons with more than three vertices.
*
* @warning
* Binary files written on one system may not be readable on other systems.
* vtkSTLWriter uses VAX or PC byte ordering and swaps bytes on other systems.
*/
#ifndef vtkSTLWriter_h
#define vtkSTLWriter_h
#include "vtkIOGeometryModule.h" // For export macro
#include "vtkWriter.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkCellArray;
class vtkPoints;
class vtkPolyData;
class vtkUnsignedCharArray;
class VTKIOGEOMETRY_EXPORT vtkSTLWriter : public vtkWriter
{
public:
static vtkSTLWriter* New();
vtkTypeMacro(vtkSTLWriter, vtkWriter);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* Get the input to this writer.
*/
vtkPolyData* GetInput();
vtkPolyData* GetInput(int port);
///@}
///@{
/**
* Specify file name of vtk polygon data file to write.
*/
vtkSetFilePathMacro(FileName);
vtkGetFilePathMacro(FileName);
///@}
///@{
/**
* Set the header for the file as text. The header cannot contain 0x00 characters.
* \sa SetBinaryHeader()
*/
vtkSetStringMacro(Header);
vtkGetStringMacro(Header);
///@}
///@{
/**
* Set binary header for the file.
* Binary header is only used when writing binary type files.
* If both Header and BinaryHeader are specified then BinaryHeader is used.
* Maximum length of binary header is 80 bytes, any content over this limit is ignored.
*/
virtual void SetBinaryHeader(vtkUnsignedCharArray* binaryHeader);
vtkGetObjectMacro(BinaryHeader, vtkUnsignedCharArray);
///@}
///@{
/**
* Specify file type (ASCII or BINARY) for vtk data file.
*/
vtkSetClampMacro(FileType, int, VTK_ASCII, VTK_BINARY);
vtkGetMacro(FileType, int);
void SetFileTypeToASCII() { this->SetFileType(VTK_ASCII); }
void SetFileTypeToBinary() { this->SetFileType(VTK_BINARY); }
///@}
protected:
vtkSTLWriter();
~vtkSTLWriter() override;
void WriteData() override;
void WriteBinarySTL(vtkPoints* pts, vtkCellArray* polys, vtkCellArray* strips);
void WriteAsciiSTL(vtkPoints* pts, vtkCellArray* polys, vtkCellArray* strips);
char* FileName;
char* Header;
vtkUnsignedCharArray* BinaryHeader;
int FileType;
int FillInputPortInformation(int port, vtkInformation* info) override;
private:
vtkSTLWriter(const vtkSTLWriter&) = delete;
void operator=(const vtkSTLWriter&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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