mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 13:23:51 +00:00
e8c5ee5e69
Selecting the pixel type just means that lodepng casts it to that type for it then to be cast to the type VTK-m uses. Since VTK-m always uses the same type, there is little value for changing the intermediate cast.
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
//============================================================================
|
|
// Copyright (c) Kitware, Inc.
|
|
// All rights reserved.
|
|
// See LICENSE.txt for details.
|
|
//
|
|
// This software is distributed WITHOUT ANY WARRANTY; without even
|
|
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
// PURPOSE. See the above copyright notice for more information.
|
|
//============================================================================
|
|
#ifndef vtk_m_io_ImageReaderPNG_h
|
|
#define vtk_m_io_ImageReaderPNG_h
|
|
|
|
#include <vtkm/io/ImageReaderBase.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace io
|
|
{
|
|
|
|
/// \brief Manages reading images using the PNG format via lodepng
|
|
///
|
|
/// `ImageReaderPNG` extends `ImageReaderBase` and implements reading images in a valid
|
|
/// PNG format. It utilizes lodepng's decode file functions to read
|
|
/// PNG images that are automatically compressed to optimal sizes relative to
|
|
/// the actual bit complexity of the image.
|
|
///
|
|
/// `ImageReaderPNG` will automatically upsample/downsample read image data
|
|
/// to a 16 bit RGB no matter how the image is compressed. It is up to the user to
|
|
/// decide the pixel format for input PNGs
|
|
class VTKM_IO_EXPORT ImageReaderPNG : public ImageReaderBase
|
|
{
|
|
using Superclass = ImageReaderBase;
|
|
|
|
public:
|
|
using Superclass::Superclass;
|
|
VTKM_CONT ~ImageReaderPNG() noexcept override;
|
|
ImageReaderPNG(const ImageReaderPNG&) = delete;
|
|
ImageReaderPNG& operator=(const ImageReaderPNG&) = delete;
|
|
|
|
protected:
|
|
VTKM_CONT void Read() override;
|
|
};
|
|
}
|
|
} // namespace vtkm::io
|
|
|
|
#endif //vtk_m_io_ImageReaderPNG_h
|