?? halftoner_open.h
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/*****************************************************************************\ halftoner_open.h : Open Source Imaging Halftoning Interface Copyright (c) 1994 - 2001, Hewlett-Packard Co. All rights reserved. Redistribution and use in source and binary forms, with or without 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PATENT INFRINGEMENT; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\*****************************************************************************/#ifndef HALFTONER_OPEN_H#define HALFTONER_OPEN_HAPDK_BEGIN_NAMESPACEclass Halftoner_Open : public Halftoner{public: Halftoner_Open ( SystemServices* pSys, PrintMode* pPM, unsigned int iInputWidth, unsigned int iNumRows[], // for mixed-res cases unsigned int HiResFactor, // when base-res is multiple of 300 BOOL matrixbased ); virtual ~Halftoner_Open(); virtual BOOL Process(RASTERDATA* pbyInputKRGBRaster=NULL);protected: 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); HPByte HPRand() // normalize to 5..79 { BYTE b=RandomNumber() % 74; b+= 5; return b; } void HTEDiffOpen (THTDitherParmsPtr ditherParmsPtr, HPUInt16 count); THTDitherParms fDitherParms[6]; THTDitherParmsPtr ditherParms; kSpringsErrorType tone; kSpringsErrorTypePtr diffusionErrorPtr; kSpringsErrorType tmpShortStore; HPUInt8 rasterByte1, rasterByte2, rasterByte3; HPUInt8 level; HPInt16 pixelCount; HPInt16 thValue; kSpringsErrorTypePtr errPtr; HPUInt16 numLoop; HPBytePtr inputPtr; HPBytePtr outputPtr1, outputPtr2, outputPtr3; HPCBytePtr fedResTbl; HPCBytePtr fedResPtr; HPBool symmetricFlag; HPBool doNext8Pixels; HPBool hifipe; void BACKWARD_FED( HPInt16 thresholdValue, unsigned int bitMask ); void FORWARD_FED( HPInt16 thresholdValue, unsigned int bitMask );};APDK_END_NAMESPACE#endif //HALFTONER_OPEN_H
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