/usr/include/dcmtk/dcmimage/diqtid.h is in libdcmtk-dev 3.6.2-3build3.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | /*
*
* Copyright (C) 2002-2011, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmimage
*
* Author: Marco Eichelberg
*
* Purpose: class DcmQuantIdent
*
*/
#ifndef DIQTID_H
#define DIQTID_H
#include "dcmtk/config/osconfig.h"
class DcmQuantPixel;
/** pseudo error diffusion class implementing an identity transformation.
* This class implements a public API mostly identical to that
* of class DcmQuantFloydSteinberg.
* Since several methods of the error diffusion class are called for each
* single image pixel during conversion of a color image to palette color,
* we do not use virtual methods and a common abstract base class here.
* Instead we implement all methods inline, and use a template to select
* the appropriate class at compile time. With a decent optimizer this
* reduces the overhead for using this class to zero.
*/
class DCMTK_DCMIMAGE_EXPORT DcmQuantIdent
{
public:
/// constructor
DcmQuantIdent(unsigned long cols)
: columns(cols)
{
}
/// destructor
~DcmQuantIdent()
{
}
/// dummy method needed for API compatibility with DcmQuantFloydSteinberg
inline void adjust(DcmQuantPixel&, long, long)
{
}
/// dummy method needed for API compatibility with DcmQuantFloydSteinberg
inline void propagate(const DcmQuantPixel&, const DcmQuantPixel&, long)
{
}
/** starts a new row. The initial and last column of the current row are determined.
* @param col initial column for the current row returned in this parameter
* @param limitcol limit column (one past the last valid column) for the
* current row returned in this parameter.
*/
inline void startRow(long& col, long& limitcol)
{
col = 0;
limitcol = columns;
}
/// dummy method needed for API compatibility with DcmQuantFloydSteinberg
inline void finishRow()
{
}
/** increases the column number
* @param col column number
*/
inline void nextCol(long& col) const
{
++col;
}
private:
/// number of columns in image
unsigned long columns;
};
#endif
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