158 lines
3.7 KiB
C++
158 lines
3.7 KiB
C++
/*
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*
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* Copyright (C) 1996-2011, 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: dcmimgle
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*
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* Author: Joerg Riesmeier
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*
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* Purpose: DicomMonoOutputPixel (Header)
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*
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*/
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#ifndef DIMOOPX_H
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#define DIMOOPX_H
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#include "dcmtk/config/osconfig.h"
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#include "dcmtk/dcmimgle/diutils.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 DiMonoPixel;
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/*---------------------*
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* class declaration *
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*---------------------*/
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/** Abstract base class to create monochrome output data
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*/
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class DCMTK_DCMIMGLE_EXPORT DiMonoOutputPixel
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{
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public:
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/** constructor
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*
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** @param pixel pointer to intermediate pixel representation
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* @param size number of pixel per frame
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* @param frame frame to be rendered
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* @param max maximum output value
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*/
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DiMonoOutputPixel(const DiMonoPixel *pixel,
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const unsigned long size,
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const unsigned long frame,
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const unsigned long max);
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/** destructor
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*/
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virtual ~DiMonoOutputPixel();
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/** get integer representation (abstract)
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*
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** @return integer representation
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*/
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virtual EP_Representation getRepresentation() const = 0;
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/** get pointer to output pixel data (abstract)
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*
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** @return pointer to pixel data
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*/
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virtual const void *getData() const = 0;
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/** get pointer to output pixel data (abstract)
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*
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** @return pointer to pixel data
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*/
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virtual void *getDataPtr() = 0;
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/** remove reference to (internally handled) pixel data (abstract)
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*/
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virtual void removeDataReference() = 0;
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/** get size of one pixel / item in the pixel array (abstract)
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*
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** @return item size
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*/
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virtual size_t getItemSize() const = 0;
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/** write pixel data of selected frame to PPM/ASCII file (abstract)
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*
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** @param stream open C++ output stream
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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 writePPM(STD_NAMESPACE ostream& stream) const = 0;
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/** write pixel data of selected frame to PPM/ASCII file (abstract)
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*
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** @param stream open C file stream
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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 writePPM(FILE *stream) const = 0;
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/** get number of pixel per frame
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*
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** @return number of pixel per frame
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*/
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inline unsigned long getCount() const
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{
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return FrameSize;
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}
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/** check whether specified pixel value is used in the image.
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* Pixel array is examined when this method is called for the first time
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* (just-in-time creation / create on demand of the supporting table).
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*
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** @param value pixel value to be checked
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*
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** @return true if value is used, false otherwise
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*/
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int isUnused(const unsigned long value);
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protected:
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/** examine which pixel values are actually used (abstract)
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*/
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virtual void determineUsedValues() = 0;
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/// number of pixels per frame (intermediate representation)
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/*const*/ unsigned long Count;
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/// number of pixels per frame (memory buffer size)
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const unsigned long FrameSize;
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/// array of used pixel values
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Uint8 *UsedValues;
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/// maximum output value
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const unsigned long MaxValue;
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private:
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// --- declarations to avoid compiler warnings
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DiMonoOutputPixel(const DiMonoOutputPixel &);
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DiMonoOutputPixel &operator=(const DiMonoOutputPixel &);
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};
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#endif
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