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103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPNGWriter.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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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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// .NAME vtkPNGWriter - Writes PNG files.
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// .SECTION Description
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// vtkPNGWriter writes PNG files. It supports 1 to 4 component data of
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// unsigned char or unsigned short
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// .SECTION See Also
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// vtkPNGReader
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#ifndef vtkPNGWriter_h
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#define vtkPNGWriter_h
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#include "vtkIOImageModule.h" // For export macro
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#include "vtkImageWriter.h"
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class vtkImageData;
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class vtkUnsignedCharArray;
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class VTKIOIMAGE_EXPORT vtkPNGWriter : public vtkImageWriter
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{
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public:
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static vtkPNGWriter *New();
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vtkTypeMacro(vtkPNGWriter,vtkImageWriter);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// The main interface which triggers the writer to start.
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virtual void Write();
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// Description:
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// Set/Get the zlib compression level.
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// The range is 0-9, with 0 meaning no compression
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// corresponding to the largest file size, and 9 meaning
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// best compression, corresponding to the smallest file size.
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// The default is 5.
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vtkSetClampMacro(CompressionLevel, int, 0, 9);
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vtkGetMacro(CompressionLevel, int);
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// Description:
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// Write the image to memory (a vtkUnsignedCharArray)
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vtkSetMacro(WriteToMemory, unsigned int);
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vtkGetMacro(WriteToMemory, unsigned int);
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vtkBooleanMacro(WriteToMemory, unsigned int);
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// Description:
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// When writing to memory this is the result, it will be NULL until the
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// data is written the first time
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virtual void SetResult(vtkUnsignedCharArray*);
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vtkGetObjectMacro(Result, vtkUnsignedCharArray);
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// Description:
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// Adds a text chunk to the PNG. More than one text chunk with the same key is permissible.
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// There are a number of predefined keywords that should be used
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// when appropriate. See
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// http://www.libpng.org/pub/png/spec/1.2/PNG-Chunks.html
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// for more information.
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void AddText(const char* key, const char* value);
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// Description:
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// Standard keys
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static const char* TITLE;
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static const char* AUTHOR;
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static const char* DESCRIPTION;
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static const char* COPYRIGHT;
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static const char* CREATION_TIME;
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static const char* SOFTWARE;
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static const char* DISCLAIMER;
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static const char* WARNING;
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static const char* SOURCE;
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static const char* COMMENT;
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protected:
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vtkPNGWriter();
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~vtkPNGWriter();
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void WriteSlice(vtkImageData *data, int* uExtent);
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int CompressionLevel;
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unsigned int WriteToMemory;
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vtkUnsignedCharArray *Result;
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FILE *TempFP;
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class vtkInternals;
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vtkInternals* Internals;
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private:
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vtkPNGWriter(const vtkPNGWriter&); // Not implemented.
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void operator=(const vtkPNGWriter&); // Not implemented.
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};
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#endif
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