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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkPNMReader
* @brief read pnm (i.e., portable anymap) files
*
*
* vtkPNMReader is a source object that reads pnm (portable anymap) files.
* This includes .pbm (bitmap), .pgm (grayscale), and .ppm (pixmap) files.
* (Currently this object only reads binary versions of these files.)
*
* PNMReader creates structured point datasets. The dimension of the
* dataset depends upon the number of files read. Reading a single file
* results in a 2D image, while reading more than one file results in a
* 3D volume.
*
* To read a volume, files must be of the form "FileName.<number>" (e.g.,
* foo.ppm.0, foo.ppm.1, ...). You must also specify the DataExtent. The
* fifth and sixth values of the DataExtent specify the beginning and ending
* files to read.
*/
#ifndef vtkPNMReader_h
#define vtkPNMReader_h
#include "vtkIOImageModule.h" // For export macro
#include "vtkImageReader.h"
VTK_ABI_NAMESPACE_BEGIN
class VTKIOIMAGE_EXPORT vtkPNMReader : public vtkImageReader
{
public:
static vtkPNMReader* New();
vtkTypeMacro(vtkPNMReader, vtkImageReader);
void PrintSelf(ostream& os, vtkIndent indent) override;
int CanReadFile(VTK_FILEPATH const char* fname) override;
/**
* .pnm .pgm .ppm
*/
const char* GetFileExtensions() override { return ".pnm .pgm .ppm"; }
/**
* PNM
*/
const char* GetDescriptiveName() override { return "PNM"; }
protected:
vtkPNMReader() = default;
~vtkPNMReader() override = default;
void ExecuteInformation() override;
private:
vtkPNMReader(const vtkPNMReader&) = delete;
void operator=(const vtkPNMReader&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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