Load cups into easysw/current.

[thirdparty/cups.git] / pdftops / JBIG2Stream.h

diff --git a/pdftops/JBIG2Stream.h b/pdftops/JBIG2Stream.h
new file mode 100644 (file)
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+++ b/pdftops/JBIG2Stream.h
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+//========================================================================
+//
+// JBIG2Stream.h
+//
+// Copyright 2002-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef JBIG2STREAM_H
+#define JBIG2STREAM_H
+
+#include <config.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "gtypes.h"
+#include "Object.h"
+#include "Stream.h"
+
+class GList;
+class JBIG2Segment;
+class JBIG2Bitmap;
+class JArithmeticDecoder;
+class JArithmeticDecoderStats;
+class JBIG2HuffmanDecoder;
+struct JBIG2HuffmanTable;
+class JBIG2MMRDecoder;
+
+//------------------------------------------------------------------------
+
+class JBIG2Stream: public FilterStream {
+public:
+
+  JBIG2Stream(Stream *strA, Object *globalsStream);
+  virtual ~JBIG2Stream();
+  virtual StreamKind getKind() { return strJBIG2; }
+  virtual void reset();
+  virtual int getChar();
+  virtual int lookChar();
+  virtual GString *getPSFilter(int psLevel, char *indent);
+  virtual GBool isBinary(GBool last = gTrue);
+
+private:
+
+  void readSegments();
+  GBool readSymbolDictSeg(Guint segNum, Guint length,
+                         Guint *refSegs, Guint nRefSegs);
+  void readTextRegionSeg(Guint segNum, GBool imm,
+                        GBool lossless, Guint length,
+                        Guint *refSegs, Guint nRefSegs);
+  JBIG2Bitmap *readTextRegion(GBool huff, GBool refine,
+                             int w, int h,
+                             Guint numInstances,
+                             Guint logStrips,
+                             int numSyms,
+                             JBIG2HuffmanTable *symCodeTab,
+                             Guint symCodeLen,
+                             JBIG2Bitmap **syms,
+                             Guint defPixel, Guint combOp,
+                             Guint transposed, Guint refCorner,
+                             int sOffset,
+                             JBIG2HuffmanTable *huffFSTable,
+                             JBIG2HuffmanTable *huffDSTable,
+                             JBIG2HuffmanTable *huffDTTable,
+                             JBIG2HuffmanTable *huffRDWTable,
+                             JBIG2HuffmanTable *huffRDHTable,
+                             JBIG2HuffmanTable *huffRDXTable,
+                             JBIG2HuffmanTable *huffRDYTable,
+                             JBIG2HuffmanTable *huffRSizeTable,
+                             Guint templ,
+                             int *atx, int *aty);
+  void readPatternDictSeg(Guint segNum, Guint length);
+  void readHalftoneRegionSeg(Guint segNum, GBool imm,
+                            GBool lossless, Guint length,
+                            Guint *refSegs, Guint nRefSegs);
+  void readGenericRegionSeg(Guint segNum, GBool imm,
+                           GBool lossless, Guint length);
+  JBIG2Bitmap *readGenericBitmap(GBool mmr, int w, int h,
+                                int templ, GBool tpgdOn,
+                                GBool useSkip, JBIG2Bitmap *skip,
+                                int *atx, int *aty,
+                                int mmrDataLength);
+  void readGenericRefinementRegionSeg(Guint segNum, GBool imm,
+                                     GBool lossless, Guint length,
+                                     Guint *refSegs,
+                                     Guint nRefSegs);
+  JBIG2Bitmap *readGenericRefinementRegion(int w, int h,
+                                          int templ, GBool tpgrOn,
+                                          JBIG2Bitmap *refBitmap,
+                                          int refDX, int refDY,
+                                          int *atx, int *aty);
+  void readPageInfoSeg(Guint length);
+  void readEndOfStripeSeg(Guint length);
+  void readProfilesSeg(Guint length);
+  void readCodeTableSeg(Guint segNum, Guint length);
+  void readExtensionSeg(Guint length);
+  JBIG2Segment *findSegment(Guint segNum);
+  void discardSegment(Guint segNum);
+  void resetGenericStats(Guint templ,
+                        JArithmeticDecoderStats *prevStats);
+  void resetRefinementStats(Guint templ,
+                           JArithmeticDecoderStats *prevStats);
+  void resetIntStats(int symCodeLen);
+  GBool readUByte(Guint *x);
+  GBool readByte(int *x);
+  GBool readUWord(Guint *x);
+  GBool readULong(Guint *x);
+  GBool readLong(int *x);
+
+  Guint pageW, pageH, curPageH;
+  Guint pageDefPixel;
+  JBIG2Bitmap *pageBitmap;
+  Guint defCombOp;
+  GList *segments;             // [JBIG2Segment]
+  GList *globalSegments;       // [JBIG2Segment]
+  Stream *curStr;
+  Guchar *dataPtr;
+  Guchar *dataEnd;
+
+  JArithmeticDecoder *arithDecoder;
+  JArithmeticDecoderStats *genericRegionStats;
+  JArithmeticDecoderStats *refinementRegionStats;
+  JArithmeticDecoderStats *iadhStats;
+  JArithmeticDecoderStats *iadwStats;
+  JArithmeticDecoderStats *iaexStats;
+  JArithmeticDecoderStats *iaaiStats;
+  JArithmeticDecoderStats *iadtStats;
+  JArithmeticDecoderStats *iaitStats;
+  JArithmeticDecoderStats *iafsStats;
+  JArithmeticDecoderStats *iadsStats;
+  JArithmeticDecoderStats *iardxStats;
+  JArithmeticDecoderStats *iardyStats;
+  JArithmeticDecoderStats *iardwStats;
+  JArithmeticDecoderStats *iardhStats;
+  JArithmeticDecoderStats *iariStats;
+  JArithmeticDecoderStats *iaidStats;
+  JBIG2HuffmanDecoder *huffDecoder;
+  JBIG2MMRDecoder *mmrDecoder;
+};
+
+#endif