Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/share/emscripten/tests/poppler/poppler/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

//========================================================================
//
// DCTStream.h
//
// This file is licensed under the GPLv2 or later
//
// Copyright 2005 Jeff Muizelaar <jeff@infidigm.net>
// Copyright 2005 Martin Kretzschmar <martink@gnome.org>
// Copyright 2005-2007, 2009, 2010 Albert Astals Cid <aacid@kde.org>
// Copyright 2010 Carlos Garcia Campos <carlosgc@gnome.org>
// Copyright 2011 Daiki Ueno <ueno@unixuser.org>
//
//========================================================================

#ifndef DCTSTREAM_H
#define DCTSTREAM_H
#include <config.h>

#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif


#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <setjmp.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <ctype.h>
#include "goo/gmem.h"
#include "goo/gfile.h"
#include "poppler-config.h"
#include "Error.h"
#include "Object.h"
#include "Decrypt.h"
#include "Stream.h"

extern "C" {
#include <jpeglib.h>
}

struct str_src_mgr {
    struct jpeg_source_mgr pub;
    JOCTET buffer;
    Stream *str;
    int index;
};

struct str_error_mgr {
  struct jpeg_error_mgr pub;
  jmp_buf setjmp_buffer;
};

class DCTStream: public FilterStream {
public:

  DCTStream(Stream *strA, int colorXformA);
  virtual ~DCTStream();
  virtual StreamKind getKind() { return strDCT; }
  virtual void reset();
  virtual int getChar();
  virtual int lookChar();
  virtual GooString *getPSFilter(int psLevel, char *indent);
  virtual GBool isBinary(GBool last = gTrue);
  Stream *getRawStream() { return str; }

private:
  void init();

  virtual GBool hasGetChars() { return true; }
  virtual int getChars(int nChars, Guchar *buffer);

  int colorXform;
  JSAMPLE *current;
  JSAMPLE *limit;
  struct jpeg_decompress_struct cinfo;
  struct str_error_mgr err;
  struct str_src_mgr src;
  JSAMPARRAY row_buffer;
};

#endif