677 lines
22 KiB
C
677 lines
22 KiB
C
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/*
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*
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* Copyright (C) 1996-2014, 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: dcmimgle
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*
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* Author: Joerg Riesmeier
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*
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* Purpose: DicomImage (Header)
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*
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*/
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#ifndef DIIMAGE_H
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#define DIIMAGE_H
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#include "dcmtk/config/osconfig.h"
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#include "dcmtk/dcmdata/dcitem.h"
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#include "dcmtk/dcmdata/dcfcache.h"
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#ifdef SUNCC
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#include "dcmtk/dcmimgle/didocu.h"
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#endif
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#include "dcmtk/dcmimgle/diovlay.h"
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#include "dcmtk/dcmimgle/diutils.h"
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#define INCLUDE_CSTDIO
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#include "dcmtk/ofstd/ofstdinc.h"
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#include "dcmtk/ofstd/ofstream.h"
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/*------------------------*
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* forward declarations *
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*------------------------*/
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class DcmPixelData;
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class DcmUnsignedShort;
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#ifndef SUNCC
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class DiDocument;
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#endif
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class DiPixel;
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class DiMonoImage;
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class DiInputPixel;
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/*---------------------*
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* class declaration *
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*---------------------*/
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/** Base class for images.
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* NB: This is an internal class of module dcmimgle/dcmimage. Please do not
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* use it directly. Instead use the main interface class DicomImage.
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*/
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class DCMTK_DCMIMGLE_EXPORT DiImage
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{
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public:
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/** constructor
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*
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** @param docu pointer to the DICOM document
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* @param status status of the image object
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* @param spp samples per pixel
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*/
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DiImage(const DiDocument *docu,
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const EI_Status status,
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const int spp);
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/** destructor
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*/
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virtual ~DiImage();
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/** process next couple of frames
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*
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** @param fcount number of frames to be processed (0 = same number as before)
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*
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** @return status, true if successful, false otherwise
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*/
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virtual int processNextFrames(const unsigned long fcount);
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/** get status of the image object
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*
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** @return status of the image object
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*/
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inline EI_Status getStatus() const
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{
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return ImageStatus;
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}
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/** get number of frames
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*
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** @return number of frames
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*/
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inline Uint32 getNumberOfFrames() const
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{
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return NumberOfFrames;
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}
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/** get index of first frame
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*
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** @return index of first frame
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*/
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inline Uint32 getFirstFrame() const
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{
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return FirstFrame;
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}
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/** get total number of frames
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*
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** @return total number of frames
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*/
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inline Uint32 getTotalNumberOfFrames() const
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{
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return TotalNumberOfFrames;
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}
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/** get representative frame
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*
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** @return representative frame
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*/
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inline Uint32 getRepresentativeFrame() const
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{
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return RepresentativeFrame;
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}
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/** get frame time
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*
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** @return frame time
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*/
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inline double getFrameTime() const
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{
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return FrameTime;
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}
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/** get number of rows
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*
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** @return number of rows
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*/
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inline Uint16 getRows() const
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{
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return Rows;
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}
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/** get number of columns
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*
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** @return number of columns
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*/
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inline Uint16 getColumns() const
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{
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return Columns;
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}
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/** get pixel's width
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*
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** @return pixel's width
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*/
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inline double getPixelWidth() const
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{
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return (PixelWidth > 0) ? PixelWidth : 1;
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}
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/** get pixel's height
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*
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** @return pixel's height
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*/
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inline double getPixelHeight() const
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{
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return (PixelHeight > 0) ? PixelHeight : 1;
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}
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/** get pixel's rows/column ratio
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*
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** @return pixel's rows/column ratio
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*/
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inline double getRowColumnRatio() const
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{
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return getPixelHeight() / getPixelWidth();
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}
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/** get pixel's column/rows ratio
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*
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** @return pixel's column/rows ratio
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*/
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inline double getColumnRowRatio() const
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{
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return getPixelWidth() / getPixelHeight();
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}
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/** set pixel's rows/column ratio
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*
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** @param ratio pixel's rows/column ratio
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*
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** @return status, true if successful, false otherwise
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*/
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int setRowColumnRatio(const double ratio);
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/** set pixel's column/rows ratio
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*
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** @param ratio pixel's column/rows ratio
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*
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** @return status, true if successful, false otherwise
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*/
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int setColumnRowRatio(const double ratio);
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/** get polarity.
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* possible values are EPP_Normal and EPP_Reverse
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*
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** @return currently active polarity mode
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*/
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inline EP_Polarity getPolarity() const
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{
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return Polarity;
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}
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/** set polarity.
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*
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** @param polarity polarity (normal or reverse)
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*
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** @return true if successful (1 = polarity has changed,
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* 2 = polarity has not changed)
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* false otherwise
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*/
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int setPolarity(const EP_Polarity polarity);
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/** get number of bits per sample.
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* If the optional parameter is specified the value will be checked and in any case
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* a valid value will be returned.
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*
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** @param bits value to be returned (if less than 1 or greater than the maximum (32)
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* the default value will be used which is equal to the bits per sample
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* value stored in the DICOM dataset)
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*
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** @return status, true if successful, false otherwise
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*/
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virtual int getBits(const int bits = 0) const
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{
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return ((bits < 1) || (bits > MAX_BITS)) ? BitsPerSample : bits;
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}
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/** get color model of internal pixel representation.
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* Possible values are: EPI_Monochrome1, EPI_Monochrome2, EPI_RGB and EPI_YBR_Full
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*
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** @return color model of internal pixel representation
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*/
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virtual EP_Interpretation getInternalColorModel() const = 0;
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/** get access to intermediate pixel data representation (abstract)
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*
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** @return pointer to intermediate pixel data
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*/
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virtual const DiPixel *getInterData() const = 0;
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/** get number of bytes required for the rendered output of a single frame
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*
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* @param bits number of bits for the output pixel data (depth)
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*
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** @return number of bytes if successful, 0 otherwise
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*/
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virtual unsigned long getOutputDataSize(const int bits = 0) const = 0;
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/** get pixel data with specified format (abstract).
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* (memory is handled internally)
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*
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** @param frame number of frame to be rendered
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* @param bits number of bits for the output pixel data (depth)
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* @param planar flag, whether the output data (for multi-planar images) should be planar or not
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*
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** @return untyped pointer to the pixel data if successful, NULL otherwise
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*/
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virtual const void *getOutputData(const unsigned long frame,
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const int bits,
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const int planar) = 0;
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/** get pixel data with specified format (abstract).
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* (memory is handled externally)
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*
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** @param buffer untyped pointer to the externally allocated memory buffer
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* @param size size of the memory buffer in bytes (will be checked)
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* @param frame number of frame to be rendered
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* @param bits number of bits for the output pixel data (depth)
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* @param planar flag, whether the output data (for multi-planar images) should be planar or not
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*
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** @return status, true if successful, false otherwise
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*/
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virtual int getOutputData(void *buffer,
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const unsigned long size,
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const unsigned long frame,
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const int bits,
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const int planar) = 0;
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/** get pixel data of specified plane (abstract).
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* (memory is handled internally)
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*
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** @param plane number of plane which should be rendered (starting from 0)
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*
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** @return untyped pointer to the pixel data if successful, NULL otherwise
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*/
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virtual const void *getOutputPlane(const int plane) const = 0;
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/** delete internally handled output memory buffer (abstract)
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*/
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virtual void deleteOutputData() = 0;
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/** get pointer to the object managing the overlay planes
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*
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** (#)param idx index of overlay group (here: not used, since only applicable for monochrome images)
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*
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** @return pointer to the overlay managing object, here: NULL
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*/
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virtual DiOverlay *getOverlayPtr(const unsigned int /*idx*/)
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{
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return NULL;
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}
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/** get pointer to monochrome image object
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*
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** @return pointer to monochrome image object (here: always NULL)
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*/
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virtual DiMonoImage *getMonoImagePtr()
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{
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return NULL;
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}
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/** create copy of current image object (abstract)
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*
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** @param fstart first frame to be processed (not fully implemented!)
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* @param fcount number of frames (not fully implemented!)
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*
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** @return pointer to new DiImage object (NULL if an error occurred)
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*/
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virtual DiImage *createImage(const unsigned long fstart,
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const unsigned long fcount) const = 0;
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/** create scaled copy of specified (clipping) area of the current image object (abstract).
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*
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** @param left_pos x coordinate of top left corner of area to be scaled
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* (referring to image origin, negative values create a border around the image)
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* @param top_pos y coordinate of top left corner of area to be scaled
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* @param clip_width width of area to be scaled
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* @param clip_height height of area to be scaled
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* @param scale_width width of scaled image (in pixels)
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* @param scale_height height of scaled image (in pixels)
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* @param interpolate specifies whether scaling algorithm should use interpolation (if necessary).
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* default: no interpolation (0), preferred interpolation algorithm (if applicable):
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* 1 = pbmplus algorithm, 2 = c't algorithm, 3 = bilinear magnification,
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* 4 = bicubic magnification
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* @param aspect specifies whether pixel aspect ratio should be taken into consideration
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* (if true, width OR height should be 0, i.e. this component will be calculated
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* automatically)
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* @param pvalue P-value used for the border outside the image (0..65535)
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*
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** @return pointer to new DiImage object (NULL if an error occurred)
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*/
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virtual DiImage *createScale(const signed long left_pos,
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const signed long top_pos,
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const unsigned long clip_width,
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const unsigned long clip_height,
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const unsigned long scale_width,
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const unsigned long scale_height,
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const int interpolate,
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const int aspect,
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const Uint16 pvalue) const = 0;
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/** flip current image horizontally and/or vertically (abstract)
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*
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** @param horz flip horizontally if true
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* @param vert flip vertically if true
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*
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** @return true if successful, false otherwise
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*/
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virtual int flip(const int horz,
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const int vert) = 0;
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/** create a flipped copy of the current image (abstract).
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*
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** @param horz flip horizontally if true
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* @param vert flip vertically if true
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*
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** @return pointer to new DiImage object (NULL if an error occurred)
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*/
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virtual DiImage *createFlip(const int horz,
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const int vert) const = 0;
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/** rotate current image (by steps of 90 degrees)
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*
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** @param degree angle by which the image shall be rotated
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*
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** @return true if successful, false otherwise
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*/
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virtual int rotate(const int degree);
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/** create a rotated copy of the current image (abstract).
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*
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** @param degree angle by which the image shall be rotated
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*
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** @return pointer to new DiImage object (NULL if an error occurred)
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*/
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virtual DiImage *createRotate(const int degree) const = 0;
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/** create monochrome copy of the current image (abstract).
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*
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|
|
** @param red coefficient by which the red component is weighted
|
||
|
|
* @param green coefficient by which the green component is weighted
|
||
|
|
* @param blue coefficient by which the blue component is weighted
|
||
|
|
*
|
||
|
|
** @return pointer to new DiImage object (NULL if an error occurred)
|
||
|
|
*/
|
||
|
|
virtual DiImage *createMono(const double red,
|
||
|
|
const double green,
|
||
|
|
const double blue) const = 0;
|
||
|
|
|
||
|
|
/** create true color (24/32 bit) or palette (8 bit) bitmap for MS Windows (abstract).
|
||
|
|
*
|
||
|
|
** @param data untyped pointer memory buffer (set to NULL if not allocated externally)
|
||
|
|
* @param size size of the memory buffer in bytes (if 0 'data' is set to NULL)
|
||
|
|
* @param frame index of frame to be converted (starting from 0)
|
||
|
|
* @param bits number of bits per pixel used for the output bitmap (8, 24 or 32)
|
||
|
|
* @param upsideDown specifies the order of lines in the images (0 = top-down, bottom-up otherwise)
|
||
|
|
* @param padding align each line to a 32-bit address if true (default)
|
||
|
|
*
|
||
|
|
** @return number of bytes allocated by the bitmap, or 0 if an error occurred
|
||
|
|
*/
|
||
|
|
virtual unsigned long createDIB(void *&data,
|
||
|
|
const unsigned long size,
|
||
|
|
const unsigned long frame,
|
||
|
|
const int bits,
|
||
|
|
const int upsideDown,
|
||
|
|
const int padding = 1) = 0;
|
||
|
|
|
||
|
|
/** create true color (32 bit) bitmap for Java AWT (abstract).
|
||
|
|
*
|
||
|
|
** @param data resulting pointer to bitmap data (set to NULL if an error occurred)
|
||
|
|
* @param frame index of frame to be converted
|
||
|
|
* @param bits number of bits per pixel used for the output bitmap (8 or 32)
|
||
|
|
*
|
||
|
|
** @return number of bytes allocated by the bitmap, or 0 if an error occurred
|
||
|
|
*/
|
||
|
|
virtual unsigned long createAWTBitmap(void *&data,
|
||
|
|
const unsigned long frame,
|
||
|
|
const int bits) = 0;
|
||
|
|
|
||
|
|
/** render pixel data of given frame and write image related attributes to DICOM dataset.
|
||
|
|
*
|
||
|
|
** @param dataset reference to DICOM dataset where the image attributes are stored
|
||
|
|
* @param frame index of frame used for output
|
||
|
|
* @param bits number of bits used for output of pixel data
|
||
|
|
* @param planar flag, whether the output data (for multi-planar images) should be planar or not
|
||
|
|
*
|
||
|
|
** @return true if successful, false otherwise
|
||
|
|
*/
|
||
|
|
int writeFrameToDataset(DcmItem &dataset,
|
||
|
|
const unsigned long frame = 0,
|
||
|
|
const int bits = 0,
|
||
|
|
const int planar = 0);
|
||
|
|
|
||
|
|
/** write current image and related attributes to DICOM dataset.
|
||
|
|
*
|
||
|
|
** @param dataset reference to DICOM dataset where the image attributes are stored
|
||
|
|
* @param mode determine value of BitsStored from 'used' or 'possible' pixel values
|
||
|
|
* @param planar flag, whether the output data (for multi-planar images) should be planar or not
|
||
|
|
*
|
||
|
|
** @return true if successful, false otherwise
|
||
|
|
*/
|
||
|
|
virtual int writeImageToDataset(DcmItem &dataset,
|
||
|
|
const int mode = 0,
|
||
|
|
const int planar = 2) = 0;
|
||
|
|
|
||
|
|
/** write pixel data to PPM file (abstract).
|
||
|
|
* pixel data is written in ASCII format.
|
||
|
|
*
|
||
|
|
** @param stream open C++ output stream
|
||
|
|
* @param frame index of frame used for output
|
||
|
|
* @param bits number of bits used for output of pixel data
|
||
|
|
*
|
||
|
|
** @return true if successful, false otherwise
|
||
|
|
*/
|
||
|
|
virtual int writePPM(STD_NAMESPACE ostream& stream,
|
||
|
|
const unsigned long frame,
|
||
|
|
const int bits) = 0;
|
||
|
|
|
||
|
|
/** write pixel data to PPM file (abstract).
|
||
|
|
* pixel data is written in ASCII format.
|
||
|
|
*
|
||
|
|
** @param stream open C output stream
|
||
|
|
* @param frame index of frame used for output
|
||
|
|
* @param bits number of bits used for output of pixel data
|
||
|
|
*
|
||
|
|
** @return true if successful, false otherwise
|
||
|
|
*/
|
||
|
|
virtual int writePPM(FILE *stream,
|
||
|
|
const unsigned long frame,
|
||
|
|
const int bits) = 0;
|
||
|
|
|
||
|
|
/** write pixel data to raw PPM file (abstract)
|
||
|
|
*
|
||
|
|
** @param stream open C output stream
|
||
|
|
* @param frame index of frame used for output
|
||
|
|
* @param bits number of bits used for output of pixel data
|
||
|
|
*
|
||
|
|
** @return true if successful, false otherwise
|
||
|
|
*/
|
||
|
|
virtual int writeRawPPM(FILE *stream,
|
||
|
|
const unsigned long frame,
|
||
|
|
const int bits) = 0;
|
||
|
|
|
||
|
|
/** write pixel data to BMP file
|
||
|
|
*
|
||
|
|
** @param stream open C output stream
|
||
|
|
* @param frame index of frame used for output (default: first frame = 0)
|
||
|
|
* @param bits number of bits used for output of pixel data (8, 24 or 32)
|
||
|
|
*
|
||
|
|
** @return true if successful, false otherwise
|
||
|
|
*/
|
||
|
|
virtual int writeBMP(FILE *stream,
|
||
|
|
const unsigned long frame,
|
||
|
|
const int bits);
|
||
|
|
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
/** constructor
|
||
|
|
*
|
||
|
|
** @param docu pointer to the DICOM document
|
||
|
|
* @param status status of the image object
|
||
|
|
*/
|
||
|
|
DiImage(const DiDocument *docu,
|
||
|
|
const EI_Status status);
|
||
|
|
|
||
|
|
/** constructor, copy
|
||
|
|
*
|
||
|
|
** @param image pointer to reference image
|
||
|
|
* @param fstart first frame to be processed
|
||
|
|
* @param fcount number of frames
|
||
|
|
*/
|
||
|
|
DiImage(const DiImage *image,
|
||
|
|
const unsigned long fstart,
|
||
|
|
const unsigned long fcount);
|
||
|
|
|
||
|
|
/** constructor, scale/clip
|
||
|
|
*
|
||
|
|
** @param image pointer to reference image
|
||
|
|
* @param width number of columns of the new image
|
||
|
|
* @param height number of rows of the new image
|
||
|
|
* @param aspect flag indicating whether pixel aspect ratio should be used or not
|
||
|
|
*/
|
||
|
|
DiImage(const DiImage *image,
|
||
|
|
const Uint16 width,
|
||
|
|
const Uint16 height,
|
||
|
|
const int aspect = 0);
|
||
|
|
|
||
|
|
/** constructor, rotate
|
||
|
|
*
|
||
|
|
** @param image pointer to reference image
|
||
|
|
* @param degree angle by which the image shall be rotated
|
||
|
|
*/
|
||
|
|
DiImage(const DiImage *image,
|
||
|
|
const int degree = 0);
|
||
|
|
|
||
|
|
/** constructor, createMonoOutput
|
||
|
|
*
|
||
|
|
** @param image pointer to reference image
|
||
|
|
* @param frame number of frame stored in the new image object
|
||
|
|
* @param stored number of bits stored
|
||
|
|
* @param alloc number of bits allocated
|
||
|
|
*/
|
||
|
|
DiImage(const DiImage *image,
|
||
|
|
const unsigned long frame,
|
||
|
|
const int stored,
|
||
|
|
const int alloc);
|
||
|
|
|
||
|
|
/** delete internally handled object for the input pixel data conversion
|
||
|
|
*/
|
||
|
|
void deleteInputData();
|
||
|
|
|
||
|
|
/** check and possibly correct values for pixel spacing, aspect ratio etc.
|
||
|
|
*/
|
||
|
|
void checkPixelExtension();
|
||
|
|
|
||
|
|
/** create input pixel data representation from DICOM dataset structures
|
||
|
|
*/
|
||
|
|
void convertPixelData();
|
||
|
|
|
||
|
|
/** update Image Pixel Module attributes in the given dataset.
|
||
|
|
* Removes smallest/largest pixel value and updates pixel aspect ratio as well
|
||
|
|
* as pixel spacing (if required).
|
||
|
|
* Used in writeXXXToDataset() routines.
|
||
|
|
*
|
||
|
|
** @param dataset reference to DICOM image dataset
|
||
|
|
*/
|
||
|
|
virtual void updateImagePixelModuleAttributes(DcmItem &dataset);
|
||
|
|
|
||
|
|
/** detach pixel data.
|
||
|
|
* removes storage area used for the pixel data from memory
|
||
|
|
*/
|
||
|
|
int detachPixelData();
|
||
|
|
|
||
|
|
/// copy of status variable declared in class 'DicomImage'
|
||
|
|
EI_Status ImageStatus;
|
||
|
|
/// points to special object, which encapsulates the dcmdata module
|
||
|
|
const DiDocument *Document;
|
||
|
|
|
||
|
|
/// first frame to be processed
|
||
|
|
Uint32 FirstFrame;
|
||
|
|
/// number of frames in case of multi-frame images (otherwise '1')
|
||
|
|
Uint32 NumberOfFrames;
|
||
|
|
/// total number of frames stored in the dataset
|
||
|
|
Uint32 TotalNumberOfFrames;
|
||
|
|
/// number of representative frame, type 3 attribute (default '0')
|
||
|
|
Uint32 RepresentativeFrame;
|
||
|
|
/// nominal time between individual frames (0 if absent)
|
||
|
|
double FrameTime;
|
||
|
|
/// number of rows (in pixel)
|
||
|
|
Uint16 Rows;
|
||
|
|
/// number of columns (in pixel)
|
||
|
|
Uint16 Columns;
|
||
|
|
/// width of each pixel according to 'PixelSpacing/AspectRatio'
|
||
|
|
double PixelWidth;
|
||
|
|
/// height of each pixel according to 'PixelSpacing/AspectRatio'
|
||
|
|
double PixelHeight;
|
||
|
|
/// number of bits allocated for each pixel
|
||
|
|
Uint16 BitsAllocated;
|
||
|
|
/// number of bits stored for each pixel (see 'BitsPerSample')
|
||
|
|
Uint16 BitsStored;
|
||
|
|
/// position of highest stored bit
|
||
|
|
Uint16 HighBit;
|
||
|
|
|
||
|
|
/// actual number of bits per sample (depth)
|
||
|
|
int BitsPerSample;
|
||
|
|
/// number of samples per pixel (1, 3 or 4)
|
||
|
|
int SamplesPerPixel;
|
||
|
|
|
||
|
|
/// polarity (normal or reverse)
|
||
|
|
EP_Polarity Polarity;
|
||
|
|
|
||
|
|
/// is 'true' if pixel data is signed
|
||
|
|
int hasSignedRepresentation;
|
||
|
|
/// is 'true' if attribute 'PixelSpacing' is present
|
||
|
|
int hasPixelSpacing;
|
||
|
|
/// is 'true' if attribute 'ImagerPixelSpacing' is present
|
||
|
|
int hasImagerPixelSpacing;
|
||
|
|
/// is 'true' if attribute 'hasNominalScannedPixelSpacing' is present
|
||
|
|
int hasNominalScannedPixelSpacing;
|
||
|
|
/// is 'true' if attribute 'PixelAspectRatio' is present
|
||
|
|
int hasPixelAspectRatio;
|
||
|
|
/// is 'false' if derived from original image data (e.g. scaled)
|
||
|
|
int isOriginal;
|
||
|
|
|
||
|
|
/// points to intermediate pixel representation (template object)
|
||
|
|
DiInputPixel *InputData;
|
||
|
|
/// file cache object used for partial read
|
||
|
|
DcmFileCache FileCache;
|
||
|
|
/// current pixel item fragment (for encapsulated pixel data)
|
||
|
|
Uint32 CurrentFragment;
|
||
|
|
|
||
|
|
// --- declarations to avoid compiler warnings
|
||
|
|
|
||
|
|
DiImage(const DiImage &);
|
||
|
|
DiImage &operator=(const DiImage &);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|