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HxRgbLabel.h

/*
 *  Copyright (c) 2000, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Dennis Koelma (koelma@wins.uva.nl)
 *
 */

#ifndef HxRgbLabel_h
#define HxRgbLabel_h

#include "HxTagList.h"
#include "HxClassName.h"
#include "HxColConvert.h"


template<class ValT, class ValDoubleT>
class HxRgbLabel
{
public:
    typedef ValDoubleT ArithTypeDouble;

                        HxRgbLabel(HxTagList&);

    int                 doIt(const ValT& pixV)
                            {
                                int pix = (int) pixV.x();
                                int mask = (pix == 0) ? 8 : pix % 8;
                                return colorTable[mask];
                            }

    int                 doItDouble(const ValDoubleT& pixV)
                            {
                                int pix = (int) pixV.x();
                                int mask = (pix == 0) ? 8 : pix % 8;
                                return colorTable[mask];
                            }

    static HxString     className()
                            { return HxString("Label"); }

private:
    int                 colorTable[9];
};


template<class ValT, class ValDoubleT>
HxRgbLabel<ValT, ValDoubleT>::HxRgbLabel(HxTagList&)
{
    colorTable[0] = (255 << 24) | (127 << 16) | (127 << 8) | 127; // 50% grey
    colorTable[1] = (255 << 24) | (255 << 16) | (  0 << 8) |   0; // red
    colorTable[2] = (255 << 24) | (  0 << 16) | (255 << 8) |   0; // green
    colorTable[3] = (255 << 24) | (255 << 16) | (255 << 8) |   0; // yellow
    colorTable[4] = (255 << 24) | (  0 << 16) | (  0 << 8) | 255; // blue
    colorTable[5] = (255 << 24) | (255 << 16) | (  0 << 8) | 255; // magenta
    colorTable[6] = (255 << 24) | (  0 << 16) | (255 << 8) | 255; // cyan
    colorTable[7] = (255 << 24) | (255 << 16) | (255 << 8) | 255; // white
    colorTable[8] = (255 << 24) | (  0 << 16) | (  0 << 8) |   0; // black
}


#endif

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