mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 13:23:51 +00:00
71 lines
2.1 KiB
C++
71 lines
2.1 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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#include <vtkm/io/ImageUtils.h>
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#include <vtkm/io/FileUtils.h>
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#include <vtkm/io/ImageReaderBase.h>
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#include <vtkm/io/ImageReaderPNG.h>
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#include <vtkm/io/ImageReaderPNM.h>
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#include <vtkm/io/ImageWriterBase.h>
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#include <vtkm/io/ImageWriterPNG.h>
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#include <vtkm/io/ImageWriterPNM.h>
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#include <memory>
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namespace vtkm
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{
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namespace io
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{
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void WriteImageFile(const vtkm::cont::DataSet& dataSet,
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const std::string& fullPath,
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const std::string& fieldName)
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{
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std::unique_ptr<vtkm::io::ImageWriterBase> writer;
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if (EndsWith(fullPath, ".ppm"))
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{
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writer = std::unique_ptr<vtkm::io::ImageWriterPNM>(new ImageWriterPNM(fullPath));
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}
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else
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{
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writer = std::unique_ptr<vtkm::io::ImageWriterPNG>(new ImageWriterPNG(fullPath));
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}
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writer->WriteDataSet(dataSet, fieldName);
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VTKM_LOG_S(vtkm::cont::LogLevel::Info, "Wrote image data at: " << fullPath);
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}
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vtkm::cont::DataSet ReadImageFile(const std::string& fullPath, const std::string& fieldName)
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{
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std::ifstream check(fullPath.c_str());
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if (!check.good())
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{
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throw vtkm::cont::ErrorExecution("File does not exist: " + fullPath);
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}
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std::unique_ptr<vtkm::io::ImageReaderBase> reader;
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if (EndsWith(fullPath, ".png"))
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{
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reader = std::unique_ptr<vtkm::io::ImageReaderPNG>(new ImageReaderPNG(fullPath));
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}
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else if (EndsWith(fullPath, ".ppm") || EndsWith(fullPath, ".pnm"))
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{
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reader = std::unique_ptr<vtkm::io::ImageReaderPNM>(new ImageReaderPNM(fullPath));
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}
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else
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{
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throw vtkm::cont::ErrorBadValue("Unsupported file type: " + fullPath);
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}
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reader->SetPointFieldName(fieldName);
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return reader->ReadDataSet();
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}
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} // namespace vtkm::io
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} // namespace vtkm:
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