MemoryDecoder.h
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- /* $Id: MemoryDecoder.h,v 1.2 2007/11/04 01:45:30 faxguy Exp $ */
- /*
- * Copyright (c) 1994-1996 Sam Leffler
- * Copyright (c) 1994-1996 Silicon Graphics, Inc.
- * HylaFAX is a trademark of Silicon Graphics
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
- #ifndef _MemoryDecoder_
- #define _MemoryDecoder_
- #include "G3Decoder.h"
- #include "Class2.h"
- class MemoryDecoder : public G3Decoder {
- private:
- u_char* bp;
- u_int width;
- u_int byteWidth;
- u_long cc;
- uint32 rows;
- u_int fillorder;
- bool is2D, isG4;
- u_char* endOfData; // used by cutExtraRTC
- u_int nblanks;
- tiff_runlen_t* runs;
- u_char* rowBuf;
- int decodeNextByte();
- void invalidCode(const char* type, int x);
- void badPixelCount(const char* type, int got, int expected);
- void badDecodingState(const char* type, int x);
- public:
- MemoryDecoder(u_char* data, u_long cc);
- MemoryDecoder(u_char* data, u_int wid, u_long n,
- u_int fillorder, bool twoDim, bool mmr);
- ~MemoryDecoder();
- u_char* current() { return bp; }
- void fixFirstEOL();
- u_char* cutExtraRTC();
- u_char* cutExtraEOFB();
- u_char* encodeTagLine (u_long* raster, u_int th, u_int slop);
- u_char* convertDataFormat(const Class2Params& params);
- void scanPageForBlanks(u_int fillorder, const Class2Params& params);
- const u_char* getEndOfPage() { return endOfData; }
- u_int getLastBlanks() { return nblanks; }
- u_long getCC() { return cc; }
- uint32 getRows() { return rows; }
- };
- #endif