1 /*****************************************************************************\
2 DeltaPlus.h : Interface for the DeltaPlus class
4 Copyright (c) 1996 - 2009, Hewlett-Packard Co.
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions
10 1. Redistributions of source code must retain the above copyright
11 notice, this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15 3. Neither the name of Hewlett-Packard nor the names of its
16 contributors may be used to endorse or promote products derived
17 from this software without specific prior written permission.
19 THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
20 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
22 NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
24 TO, PATENT INFRINGEMENT; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
25 OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 \*****************************************************************************/
31 #ifndef MODE_DELTAPLUS_H
32 #define MODE_DELTAPLUS_H
34 #include "CommonDefinitions.h"
35 #include "Processor.h"
36 #include "Compressor.h"
38 #define INDY_STRIP_HEIGHT 128
40 class ModeDeltaPlus : public Compressor
43 ModeDeltaPlus(unsigned int RasterSize);
44 virtual ~ModeDeltaPlus();
46 bool Process(RASTERDATA *input);
47 bool NextOutputRaster(RASTERDATA &next_raster);
54 return (BYTE) (m_fRatio + 0.5);
56 long GetCurrentRasterRow()
58 return m_lPrinterRasterRow;
60 long GetCurrentBlockHeight()
62 return m_lCurrBlockHeight;
66 m_lPrinterRasterRow = 0;
75 bool compress(BYTE *outmem, uint32_t *outlen, const BYTE *inmem,
76 const uint32_t row_width, const uint32_t inheight,
77 uint32_t horz_ht_dist);
79 BYTE *encode_header(BYTE *outptr, const BYTE *pastoutmem, uint32_t isrun,
80 uint32_t location, uint32_t seedrow_count, uint32_t run_count,
81 const BYTE new_color);
83 BYTE *pbyInputImageBuffer;
85 long m_lCurrCDRasterRow; // Current raster index. in PrintNextBand
86 long m_lCurrBlockHeight;
87 long m_lPrinterRasterRow; // Current printer raster row.
89 uint32_t m_compressedsize;
96 #endif // MODE_DELTAPLUS_H