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74 lines
1.4 KiB
C++
74 lines
1.4 KiB
C++
//========================================================================
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//
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// FlateStream.h
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//
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// Copyright (C) 2005, Jeff Muizelaar
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//
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//========================================================================
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#ifndef FLATESTREAM_H
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#define FLATESTREAM_H
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#include <config.h>
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#ifdef USE_GCC_PRAGMAS
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#pragma interface
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#endif
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#ifdef USE_GCC_PRAGMAS
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#pragma implementation
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#ifndef WIN32
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#include <unistd.h>
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#endif
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#include <string.h>
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#include <ctype.h>
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#include "goo/gmem.h"
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#include "goo/gfile.h"
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#include "poppler-config.h"
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#include "Error.h"
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#include "Object.h"
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#include "Decrypt.h"
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#include "Stream.h"
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extern "C" {
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#include <zlib.h>
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}
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class FlateStream: public FilterStream {
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public:
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FlateStream(Stream *strA, int predictor, int columns, int colors, int bits);
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virtual ~FlateStream();
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virtual StreamKind getKind() { return strFlate; }
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virtual void reset();
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virtual int getChar();
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virtual int lookChar();
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virtual GooString *getPSFilter(int psLevel, char *indent);
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virtual GBool isBinary(GBool last = gTrue);
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int getRawChar() {
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if (fill_buffer())
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return EOF;
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return out_buf[out_pos++];
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}
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private:
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int fill_buffer(void);
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z_stream d_stream;
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StreamPredictor *pred;
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int status;
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/* in_buf currently needs to be 1 or we over read from EmbedStreams */
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unsigned char in_buf[1];
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unsigned char out_buf[4096];
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int out_pos;
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int out_buf_len;
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};
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#endif
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