86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
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/*
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*
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* Copyright (C) 2002-2011, 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: Marco Eichelberg
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*
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* Purpose: class DcmQuantFloydSteinberg
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*
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*/
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#ifndef DIQUANT_H
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#define DIQUANT_H
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#include "dcmtk/config/osconfig.h"
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#include "dcmtk/ofstd/ofcond.h" /* for OFCondition */
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#include "dcmtk/dcmdata/dctypes.h" /* for Uint32 etc. */
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#include "dcmtk/dcmimage/diqttype.h" /* for enums */
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#include "dcmtk/ofstd/ofstring.h" /* for class OFString */
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class DicomImage;
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class DcmItem;
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class DcmTagKey;
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class DCMTK_DCMIMAGE_EXPORT DcmQuant
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{
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public:
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/** converts the given color image into a palette color image.
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* All frames of the image are converted. The converted result
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* is written as a complete Image Pixel module to the given
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* target item.
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* @param sourceImage DICOM color image
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* @param target target item to which the palette color image is written
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* @param writeAsOW if true, the LUT Data attributes are encoded as OW instead
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* US. LUT Data is always written as OW if numberOfColors is 65536.
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* @param write16BitEntries if true, LUT data is encoded with 16 bits per entry
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* @param floydSteinberg determines whether or not to use Floyd-Steinberg
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* error diffusion during creation of the palette color image
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* @param numberOfColors desired number of colors in the color palette.
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* Valid range is [2..65536].
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* @param description description string suitable for use as
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* Derivation Description returned in this parameter
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* @param largeType algorithm used for determining the largest dimension
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* in the Median Cut algorithm
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* @param repType algorithm for choosing a representative color for each
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* box in the Median Cut algorithm
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* @return EC_Normal if successful, an error code otherwise.
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*/
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static OFCondition createPaletteColorImage(
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DicomImage& sourceImage,
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DcmItem& target,
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OFBool writeAsOW,
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OFBool write16BitEntries,
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OFBool floydSteinberg,
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Uint32 numberOfColors,
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OFString& description,
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DcmLargestDimensionType largeType = DcmLargestDimensionType_default,
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DcmRepresentativeColorType repType = DcmRepresentativeColorType_default);
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/** create Derivation Description. If a derivation description
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* already exists, the old text is appended to the new text.
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* @param dataset dataset to be modified
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* @param description description string.
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* @return EC_Normal if successful, an error code otherwise
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*/
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static OFCondition updateDerivationDescription(DcmItem *dataset, const char *description);
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};
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#endif
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