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/*=========================================================================
Program: Visualization Toolkit
Module: vtkJPEGWriter.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
=========================================================================*/
/**
* @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"
class vtkUnsignedCharArray;
class vtkImageData;
class VTKIOIMAGE_EXPORT vtkJPEGWriter : public vtkImageWriter
{
public:
static vtkJPEGWriter *New();
vtkTypeMacro(vtkJPEGWriter,vtkImageWriter);
void PrintSelf(ostream& os, vtkIndent indent);
/**
* The main interface which triggers the writer to start.
*/
virtual void Write();
//@{
/**
* Compression quality. 0 = Low quality, 100 = High quality
*/
vtkSetClampMacro(Quality, int, 0, 100);
vtkGetMacro(Quality, int);
//@}
//@{
/**
* Progressive JPEG generation.
*/
vtkSetMacro(Progressive, unsigned int);
vtkGetMacro(Progressive, unsigned int);
vtkBooleanMacro(Progressive, unsigned int);
//@}
//@{
/**
* Write the image to memory (a vtkUnsignedCharArray)
*/
vtkSetMacro(WriteToMemory, unsigned int);
vtkGetMacro(WriteToMemory, unsigned int);
vtkBooleanMacro(WriteToMemory, unsigned int);
//@}
//@{
/**
* When writing to memory this is the result, it will be NULL until the
* data is written the first time
*/
virtual void SetResult(vtkUnsignedCharArray*);
vtkGetObjectMacro(Result, vtkUnsignedCharArray);
//@}
protected:
vtkJPEGWriter();
~vtkJPEGWriter();
void WriteSlice(vtkImageData *data, int* uExtent);
private:
int Quality;
unsigned int Progressive;
unsigned int WriteToMemory;
vtkUnsignedCharArray *Result;
FILE *TempFP;
private:
vtkJPEGWriter(const vtkJPEGWriter&) VTK_DELETE_FUNCTION;
void operator=(const vtkJPEGWriter&) VTK_DELETE_FUNCTION;
};
#endif
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