source/libs/poppler/poppler-src/poppler/JPEG2000Stream.h

   1 //========================================================================
   2 //
   3 // JPEG2000Stream.h
   4 //
   5 // A JPX stream decoder using OpenJPEG
   6 //
   7 // Copyright 2008, 2010 Albert Astals Cid <aacid@kde.org>
   8 // Copyright 2011 Daniel Glöckner <daniel-gl@gmx.net>
   9 // Copyright 2013, 2014 Adrian Johnson <ajohnson@redneon.com>
  10 // Copyright 2015 Adam Reichold <adam.reichold@t-online.de>
  11 //
  12 // Licensed under GPLv2 or later
  13 //
  14 //========================================================================
  15
  16
  17 #ifndef JPEG2000STREAM_H
  18 #define JPEG2000STREAM_H
  19
  20 #include "config.h"
  21 #include "goo/gtypes.h"
  22 #include "Object.h"
  23 #include "Stream.h"
  24
  25 struct JPXStreamPrivate;
  26
  27 class JPXStream: public FilterStream {
  28 public:
  29
  30   JPXStream(Stream *strA);
  31   virtual ~JPXStream();
  32   virtual StreamKind getKind() { return strJPX; }
  33   virtual void reset();
  34   virtual void close();
  35   virtual Goffset getPos();
  36   virtual int getChar();
  37   virtual int lookChar();
  38   virtual GooString *getPSFilter(int psLevel, const char *indent);
  39   virtual GBool isBinary(GBool last = gTrue);
  40   virtual void getImageParams(int *bitsPerComponent, StreamColorSpaceMode *csMode);
  41
  42   int readStream(int nChars, Guchar *buffer) {
  43     return str->doGetChars(nChars, buffer);
  44   }
  45 private:
  46   JPXStream(const JPXStream &other);
  47   JPXStream& operator=(const JPXStream &other);
  48   JPXStreamPrivate *priv;
  49
  50   void init();
  51   virtual GBool hasGetChars() { return true; }
  52   virtual int getChars(int nChars, Guchar *buffer);
  53 };
  54
  55 #endif