colormatch.h

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/*****************************************************************************\
  colormatch.h : Interface for the ColorMatcher class

  Copyright (c) 1996 - 2001, Hewlett-Packard Co.
  All rights reserved.

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  modification, are permitted provided that the following conditions
  are met:
  1. Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
  3. Neither the name of Hewlett-Packard nor the names of its
     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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\*****************************************************************************/


#ifndef APDK_COLORMATCH_H
#define APDK_COLORMATCH_H

#define TESTMODE 0
#define MAP17CUBE 1
#define OCT_MASK1 0x10
#define OCT_MASK2 0x8
#define OCT_MASK3 0x4
#define OCT_MASK4 0x2
#define OCT_MASK5 0x1

APDK_BEGIN_NAMESPACE

/*!
\internal
*/
class ColorMatcher : public Processor
{
public:
    ColorMatcher(SystemServices* pSys,
        ColorMap cm,unsigned int DyeCount,
        unsigned int iInputWidth);
    virtual ~ColorMatcher();

    //virtual BOOL Process(BYTE* pbyInputRGBRaster=NULL, unsigned int size=0);
	virtual BOOL Process(RASTERDATA* InputRaster=NULL);
    virtual void Flush();

    DRIVER_ERROR constructor_error;

    virtual void Restart();         // set up for new page or blanks

    // items required by Processor
    unsigned int GetOutputWidth(COLORTYPE  rastercolor);
    unsigned int GetMaxOutputWidth(COLORTYPE  rastercolor);
    BYTE* NextOutputRaster(COLORTYPE  rastercolor);

    unsigned int ColorPlaneCount;
    unsigned int InputWidth;    // # of pixels input
    unsigned int StartPlane;    // since planes are ordered KCMY, if no K, this is 1
    unsigned int EndPlane;      // usually Y, could be Mlight
    unsigned int ResBoost;

    DRIVER_ERROR MakeGrayMap(const uint32_t *colormap, uint32_t* graymap);

protected:

    SystemServices* pSS;    // needed for memory management

    void FreeBuffers();
    void ColorMatch( unsigned long width, const uint32_t *map, unsigned char *rgb,
        unsigned char *kplane, unsigned char *cplane, unsigned char *mplane,
        unsigned char *yplane );

    // open/proprietary differ in this routine
    virtual void Interpolate(const uint32_t *start,const unsigned long i,
        unsigned char r,unsigned char g,unsigned char b,
        unsigned char *blackout, unsigned char *cyanout,
        unsigned char *magentaout, unsigned char *yellowout, HPBool)=0;

    inline unsigned char GetYellowValue(uint32_t cmyk)
    { return( ((unsigned char)((cmyk)>>24) & 0xFF) ); }

    inline unsigned char GetMagentaValue(uint32_t cmyk)
    { return( ((unsigned char)((cmyk)>>16) & 0xFF) ); }

    inline unsigned char GetCyanValue(uint32_t cmyk)
    { return( ((unsigned char)(((int)(cmyk))>>8) & 0xFF) ); }

    inline unsigned char GetBlackValue(uint32_t cmyk)
    { return( ((unsigned char)(cmyk) & 0xFF) ); }

    HPBool Forward16PixelsNonWhite(HPBytePtr inputPtr)
    {
//        return ((*(HPUInt32Ptr)(inputPtr) != 0x0) || (*(((HPUInt32Ptr)(inputPtr)) + 1) != 0x0)  ||
//            (*(((HPUInt32Ptr)(inputPtr)) + 2) != 0x0) || (*(((HPUInt32Ptr)(inputPtr)) + 3) != 0x0));
    for (int i=0; i < 16; i++)
    {
        if ((*inputPtr++)!=0)
            return TRUE;
    }

    return FALSE;
    }

    HPBool Backward16PixelsNonWhite(HPBytePtr inputPtr)
    {
//        return ((*(HPUInt32Ptr)(inputPtr) != 0x0) || (*(((HPUInt32Ptr)(inputPtr)) - 1) != 0x0)  ||
//            (*(((HPUInt32Ptr)(inputPtr)) - 2) != 0x0) || (*(((HPUInt32Ptr)(inputPtr)) - 3) != 0x0));
    for (int i=0; i < 16; i++)
    {
        if ((*inputPtr--)!=0)
            return TRUE;
    }

    return FALSE;
    }


    unsigned char* Contone; // containing byte-per-pixel CMYK values

    ColorMap cmap;

//    void PixelMultiply(unsigned char* buffer, unsigned int width, unsigned int factor);

    unsigned int PlaneCount();          // tells how many layers (colors,hifipe,multirow)

    BOOL started;

}; //ColorMatcher

APDK_END_NAMESPACE

#endif  //APDK_COLORMATCH_H