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Viewing changes to src/zfzlib.c

  • Committer: Bazaar Package Importer
  • Author(s): Till Kamppeter
  • Date: 2009-01-20 16:40:45 UTC
  • mfrom: (1.1.10 upstream)
  • Revision ID: james.westby@ubuntu.com-20090120164045-lnfhi0n30o5lwhwa
Tags: 8.64.dfsg.1~svn9377-0ubuntu1
https://launchpad.net/bugs/317810
https://launchpad.net/bugs/314439
https://launchpad.net/bugs/314018
* New upstream release (SVN rev 9377)
   o Fixes many bugs concerning PDF rendering, to make the PDF printing
     workflow correctly working.
   o Fixes long-standing bugs in many drivers, like input paper tray and
     duplex options not working for the built-in PCL 4, 5, 5c, 5e, and
     6/XL drivers, PDF input not working for bjc600, bjc800, and cups
     output devices, several options not working and uninitialized
     memory with cups output device.
   o Merged nearly all patches of the Ubuntu and Debian packages upstream.
   o Fixes LP: #317810, LP: #314439, LP: #314018.
* debian/patches/03_libpaper_support.dpatch,
  debian/patches/11_gs-cjk_font_glyph_handling_fix.dpatch,
  debian/patches/12_gs-cjk_vertical_writing_metrics_fix.dpatch,
  debian/patches/13_gs-cjk_cjkps_examples.dpatch,
  debian/patches/20_bbox_segv_fix.dpatch,
  debian/patches/21_brother_7x0_gdi_fix.dpatch,
  debian/patches/22_epsn_margin_workaround.dpatch,
  debian/patches/24_gs_man_fix.dpatch,
  debian/patches/25_toolbin_insecure_tmp_usage_fix.dpatch,
  debian/patches/26_assorted_script_fixes.dpatch,
  debian/patches/29_gs_css_fix.dpatch,
  debian/patches/30_ps2pdf_man_improvement.dpatch,
  debian/patches/31_fix-gc-sigbus.dpatch,
  debian/patches/34_ftbfs-on-hurd-fix.dpatch,
  debian/patches/35_disable_libcairo.dpatch,
  debian/patches/38_pxl-duplex.dpatch,
  debian/patches/39_pxl-resolution.dpatch,
  debian/patches/42_gs-init-ps-delaybind-fix.dpatch,
  debian/patches/45_bjc600-bjc800-pdf-input.dpatch,
  debian/patches/48_cups-output-device-pdf-duplex-uninitialized-memory-fix.dpatch,
  debian/patches/50_lips4-floating-point-exception.dpatch,
  debian/patches/52_cups-device-logging.dpatch,
  debian/patches/55_pcl-input-slot-fix.dpatch,
  debian/patches/57_pxl-input-slot-fix.dpatch,
  debian/patches/60_pxl-cups-driver-pdf.dpatch,
  debian/patches/62_onebitcmyk-pdf.dpatch,
  debian/patches/65_too-big-temp-files-1.dpatch,
  debian/patches/67_too-big-temp-files-2.dpatch,
  debian/patches/70_take-into-account-data-in-stream-buffer-before-refill.dpatch:
  Removed, applied upstream.
* debian/patches/01_docdir_fix_for_debian.dpatch,
  debian/patches/02_gs_man_fix_debian.dpatch,
  debian/patches/01_docdir-fix-for-debian.dpatch,
  debian/patches/02_docdir-fix-for-debian.dpatch: Renamed patches to
  make merging with Debian easier.
* debian/patches/32_improve-handling-of-media-size-changes-from-gv.dpatch, 
  debian/patches/33_bad-params-to-xinitimage-on-large-bitmaps.dpatch:
  regenerated for new source directory structure.
* debian/rules: Corrected paths to remove cidfmap (it is in Resource/Init/
  in GS 8.64) and to install headers (source paths are psi/ and base/ now).
* debian/rules: Remove all fontmaps, as DeFoMa replaces them.
* debian/local/pdftoraster/pdftoraster.c,
  debian/local/pdftoraster/pdftoraster.convs, debian/rules: Removed
  added pdftoraster filter and use the one which comes with Ghostscript.
* debian/ghostscript.links: s/8.63/8.64/

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Lines of Context:
src/zfzlib.c
1
 
/* Copyright (C) 2001-2006 Artifex Software, Inc.
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   All Rights Reserved.
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   This software is provided AS-IS with no warranty, either express or
5
 
   implied.
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   This software is distributed under license and may not be copied, modified
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   or distributed except as expressly authorized under the terms of that
9
 
   license.  Refer to licensing information at http://www.artifex.com/
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   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
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   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
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*/
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/* $Id: zfzlib.c 8250 2007-09-25 13:31:24Z giles $ */
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/* zlib and Flate filter creation */
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#include "ghost.h"
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#include "oper.h"
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#include "idict.h"
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#include "strimpl.h"
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#include "spdiffx.h"
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#include "spngpx.h"
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#include "szlibx.h"
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#include "idparam.h"
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#include "ifilter.h"
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#include "ifrpred.h"
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#include "ifwpred.h"
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/* Common setup for zlib (Flate) filter */
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static int
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filter_zlib(i_ctx_t *i_ctx_p, stream_zlib_state *pzls)
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{
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    os_ptr op = osp;
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    int code = 0;
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    (*s_zlibE_template.set_defaults)((stream_state *)pzls);
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    if (r_has_type(op, t_dictionary))
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        code = dict_int_param(op, "Effort", -1, 9, -1, &pzls->level);
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    return code;
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}
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/* <source> zlibEncode/filter <file> */
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/* <source> <dict> zlibEncode/filter <file> */
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static int
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zzlibE(i_ctx_t *i_ctx_p)
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{
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    stream_zlib_state zls;
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    int code = filter_zlib(i_ctx_p, &zls);
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    if (code < 0)
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        return code;
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    return filter_write(i_ctx_p, 0, &s_zlibE_template, (stream_state *)&zls, 0);
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}
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/* <target> zlibDecode/filter <file> */
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/* <target> <dict> zlibDecode/filter <file> */
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static int
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zzlibD(i_ctx_t *i_ctx_p)
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{
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    stream_zlib_state zls;
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    (*s_zlibD_template.set_defaults)((stream_state *)&zls);
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    return filter_read(i_ctx_p, 0, &s_zlibD_template, (stream_state *)&zls, 0);
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}
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/* <source> FlateEncode/filter <file> */
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/* <source> <dict> FlateEncode/filter <file> */
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static int
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zFlateE(i_ctx_t *i_ctx_p)
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{
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    stream_zlib_state zls;
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    int code = filter_zlib(i_ctx_p, &zls);
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    if (code < 0)
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        return code;
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    return filter_write_predictor(i_ctx_p, 0, &s_zlibE_template,
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                                  (stream_state *)&zls);
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}
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/* <target> FlateDecode/filter <file> */
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/* <target> <dict> FlateDecode/filter <file> */
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static int
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zFlateD(i_ctx_t *i_ctx_p)
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{
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    stream_zlib_state zls;
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    (*s_zlibD_template.set_defaults)((stream_state *)&zls);
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    return filter_read_predictor(i_ctx_p, 0, &s_zlibD_template,
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                                 (stream_state *)&zls);
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}
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/* ------ Initialization procedure ------ */
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const op_def zfzlib_op_defs[] =
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{
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    op_def_begin_filter(),
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    {"1zlibEncode", zzlibE},
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    {"1zlibDecode", zzlibD},
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    {"1FlateEncode", zFlateE},
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    {"1FlateDecode", zFlateD},
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    op_def_end(0)
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};