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https://gitlab.kitware.com/vtk/vtk-m
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6c97054b7f
Updated the image writer classes to better follow VTK-m naming convention (i.e. use `ImageWriterPNG` instead of `PNGWriter`). The structure of the image writer class now also better matches the interface for the VTK writer. Also put the implementation of the image writers into the `vtkm_io` library so that it only has to be compiled once.
54 lines
1.9 KiB
C++
54 lines
1.9 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_io_ImageWriterPNM_h
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#define vtk_m_io_ImageWriterPNM_h
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#include <vtkm/io/ImageWriterBase.h>
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namespace vtkm
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{
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namespace io
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{
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/// \brief Manages writing images using the PNM format
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///
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/// `ImageWriterPNM` extends `ImageWriterBase`, and implements writing images in a
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/// valid PNM format (for magic number P6). More details on the PNM
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/// format can be found here: http://netpbm.sourceforge.net/doc/ppm.html
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///
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/// When a file is writen the MaxColorValue found in the file is used to
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/// determine the PixelType required to stored PixelType is instead dependent
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/// upon the read MaxColorValue obtained from the file
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class VTKM_IO_EXPORT ImageWriterPNM : public vtkm::io::ImageWriterBase
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{
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using Superclass = vtkm::io::ImageWriterBase;
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public:
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using Superclass::Superclass;
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VTKM_CONT ~ImageWriterPNM() noexcept override;
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ImageWriterPNM(const ImageWriterPNM&) = delete;
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ImageWriterPNM& operator=(const ImageWriterPNM&) = delete;
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/// Attempts to write the ImageDataSet to a PNM file. The MaxColorValue
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/// set in the file with either be selected from the stored MaxColorValue
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/// member variable, or from the templated type if MaxColorValue hasn't been
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/// set from a read file.
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///
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VTKM_CONT void Write(vtkm::Id width, vtkm::Id height, const ColorArrayType& pixels) override;
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protected:
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template <typename PixelType>
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VTKM_CONT void WriteToFile(vtkm::Id width, vtkm::Id height, const ColorArrayType& pixels);
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};
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}
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} // namespace vtkm::io
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#endif //vtk_m_io_ImageWriterPNM_h
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