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Viewing changes to src/gsdfilt.h

  • 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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src/gsdfilt.h
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/* 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
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   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
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   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: gsdfilt.h 8022 2007-06-05 22:23:38Z giles $ */
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#ifndef gsdfilt_INCLUDED
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#  define gsdfilt_INCLUDED
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/* The device filter stack lives in the gs_state structure. It represents
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   a chained sequence of devices that filter device requests, each forwarding
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   to its target. The last such target is the physical device as set by
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   setpagedevice.
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   There is a "shadow" gs_device_filter_stack_s object for each device in
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   the chain. The stack management uses these objects to keep track of the
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   chain.
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*/
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#ifndef gs_device_filter_stack_DEFINED
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#  define gs_device_filter_stack_DEFINED
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typedef struct gs_device_filter_stack_s gs_device_filter_stack_t;
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#endif
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#ifndef gs_device_filter_DEFINED
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#  define gs_device_filter_DEFINED
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typedef struct gs_device_filter_s gs_device_filter_t;
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#endif
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struct gs_device_filter_s {
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    int (*push)(gs_device_filter_t *self, gs_memory_t *mem, gs_state *pgs,
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                gx_device **pdev, gx_device *target);
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    int (*prepop)(gs_device_filter_t *self, gs_memory_t *mem, gs_state *pgs,
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                  gx_device *dev);
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    int (*postpop)(gs_device_filter_t *self, gs_memory_t *mem, gs_state *pgs,
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                   gx_device *dev);
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};
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extern_st(st_gs_device_filter);
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/**
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 * gs_push_device_filter: Push a device filter.
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 * @mem: Memory for creating device filter.
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 * @pgs: Graphics state.
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 * @df: The device filter.
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 *
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 * Pushes a device filter, thereby becoming the first in the chain.
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 *
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 * Return value: 0 on success, or error code.
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 **/
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int gs_push_device_filter(gs_memory_t *mem, gs_state *pgs, gs_device_filter_t *df);
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/**
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 * gs_pop_device_filter: Pop a device filter.
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 * @mem: Memory in which device filter was created, for freeing.
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 * @pgs: Graphics state.
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 *
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 * Removes the topmost device filter (ie, first filter in the chain)
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 * from the graphics state's device filter stack.
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 *
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 * Return value: 0 on success, or error code.
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 **/
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int gs_pop_device_filter(gs_memory_t *mem, gs_state *pgs);
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/**
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 * gs_clear_device_filters: Clear device filters from a graphics state.
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 * @mem: Memory in which device filters were created, for freeing.
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 * @pgs: Graphics state.
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 *
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 * Clears all device filters from the given graphics state.
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 *
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 * Return value: 0 on success, or error code.
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 **/
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int gs_clear_device_filters(gs_memory_t *mem, gs_state *pgs);
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#endif /* gsdfilt_INCLUDED */