138 lines
2.8 KiB
C++
138 lines
2.8 KiB
C++
/*
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*
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* Copyright (C) 2003-2011, OFFIS e.V.
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* All rights reserved. See COPYRIGHT file for details.
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*
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* This software and supporting documentation were developed by
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*
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* OFFIS e.V.
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* R&D Division Health
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* Escherweg 2
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* D-26121 Oldenburg, Germany
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*
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*
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* Module: dcmimage
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*
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* Author: Alexander Haderer
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*
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* Purpose: Implements PNG interface for plugable image formats
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*
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*/
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#ifndef DIPIPNG_H
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#define DIPIPNG_H
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#include "dcmtk/config/osconfig.h"
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#ifdef WITH_LIBPNG
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#include "dcmtk/ofstd/ofstring.h"
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#include "dcmtk/dcmimgle/diplugin.h"
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#include "dcmtk/dcmimage/dicdefin.h"
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/*------------------------*
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* forward declarations *
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*------------------------*/
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class DiImage;
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/*--------------------*
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* type definitions *
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*--------------------*/
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/** describes the different types of interlace supported by
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* the PNG plugin. Enumeration depends on capabilities
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* of underlying PNG library (libpng).
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*/
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enum DiPNGInterlace
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{
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/// Adam7
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E_pngInterlaceAdam7,
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/// no interlace
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E_pngInterlaceNone
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};
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/** describes the different types of metainfo written to
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* the png file
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*/
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enum DiPNGMetainfo
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{
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/// no meta information
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E_pngNoMetainfo,
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/// file time, creator
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E_pngFileMetainfo
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};
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/*---------------------*
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* class declaration *
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*---------------------*/
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/** Implementation of a PNG plugin for the dcmimgle/dcmimage library
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*/
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class DCMTK_DCMIMAGE_EXPORT DiPNGPlugin
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: public DiPluginFormat
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{
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public:
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/** constructor
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*/
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DiPNGPlugin();
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/** destructor
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*/
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virtual ~DiPNGPlugin();
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/** write given image to a file stream (PNG format)
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* @param image pointer to DICOM image object to be written
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* @param stream stream to which the image is written (open in binary mode!)
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* @param frame index of frame used for output (default: first frame = 0)
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* @return true if successful, false otherwise
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*/
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virtual int write(DiImage *image,
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FILE *stream,
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const unsigned long frame = 0) const;
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/** set interlace type for PNG creation
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* @param inter interlace type
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*/
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void setInterlaceType(DiPNGInterlace inter);
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/** set metainfo type for PNG creation
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* @param minfo metainfo type
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*/
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void setMetainfoType(DiPNGMetainfo minfo);
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/* set bits per sample for PNG creation
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* @param bpp bits per sample (8 or 16)
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*/
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void setBitsPerSample(const int bpp);
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/** get version information of the PNG library.
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* Typical output format: "LIBPNG, Version 3.5.7"
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* @return name and version number of the PNG library
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*/
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static OFString getLibraryVersionString();
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private:
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/// PNG interlace type
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DiPNGInterlace interlaceType;
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/// PNG metainfo type
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DiPNGMetainfo metainfoType;
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/// bits per sample (8 or 16, default: 8)
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int bitsPerSample;
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};
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#endif
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#endif
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