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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkJPEGWriter
* @brief Writes JPEG files.
*
* vtkJPEGWriter writes JPEG files. It supports 1 and 3 component data of
* unsigned char. It relies on the IJG's libjpeg. Thanks to IJG for
* supplying a public jpeg IO library.
*
* @sa
* vtkJPEGReader
*/
#ifndef vtkJPEGWriter_h
#define vtkJPEGWriter_h
#include "vtkIOImageModule.h" // For export macro
#include "vtkImageWriter.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkUnsignedCharArray;
class vtkImageData;
class VTKIOIMAGE_EXPORT vtkJPEGWriter : public vtkImageWriter
{
public:
static vtkJPEGWriter* New();
vtkTypeMacro(vtkJPEGWriter, vtkImageWriter);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* The main interface which triggers the writer to start.
*/
void Write() override;
///@{
/**
* Compression quality. 0 = Low quality, 100 = High quality
*/
vtkSetClampMacro(Quality, int, 0, 100);
vtkGetMacro(Quality, int);
///@}
///@{
/**
* Progressive JPEG generation.
*/
vtkSetMacro(Progressive, vtkTypeUBool);
vtkGetMacro(Progressive, vtkTypeUBool);
vtkBooleanMacro(Progressive, vtkTypeUBool);
///@}
///@{
/**
* Write the image to memory (a vtkUnsignedCharArray)
*/
vtkSetMacro(WriteToMemory, vtkTypeUBool);
vtkGetMacro(WriteToMemory, vtkTypeUBool);
vtkBooleanMacro(WriteToMemory, vtkTypeUBool);
///@}
///@{
/**
* When writing to memory this is the result, it will be nullptr until the
* data is written the first time
*/
virtual void SetResult(vtkUnsignedCharArray*);
vtkGetObjectMacro(Result, vtkUnsignedCharArray);
///@}
protected:
vtkJPEGWriter();
~vtkJPEGWriter() override;
void WriteSlice(vtkImageData* data, int* uExtent);
private:
int Quality;
vtkTypeUBool Progressive;
vtkUnsignedCharArray* Result;
FILE* TempFP;
vtkJPEGWriter(const vtkJPEGWriter&) = delete;
void operator=(const vtkJPEGWriter&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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