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Viewing changes to base/gsdps.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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base/gsdps.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
 
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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: gsdps.c 8250 2007-09-25 13:31:24Z giles $ */
 
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/* Display PostScript extensions */
 
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#include "gx.h"
 
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#include "gserrors.h"
 
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#include "gsdps.h"
 
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#include "gspath.h"             /* for newpath */
 
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#include "gxdevice.h"           /* for gxcpath.h */
 
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#include "gzpath.h"             /* for gzcpath.h */
 
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#include "gzstate.h"
 
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#include "gzcpath.h"
 
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/* ---------------- View clipping ---------------- */
 
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/* Forward references */
 
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static int common_viewclip(gs_state *, int);
 
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int
 
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gs_initviewclip(gs_state * pgs)
 
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{
 
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    gx_clip_path *pcpath = pgs->view_clip;
 
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    if (pcpath != 0 && pcpath->rule != 0) {
 
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        gx_cpath_reset(pcpath);
 
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        pcpath->rule = 0;
 
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    }
 
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    return 0;
 
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}
 
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int
 
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gs_viewclip(gs_state * pgs)
 
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{
 
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    return common_viewclip(pgs, gx_rule_winding_number);
 
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}
 
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int
 
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gs_eoviewclip(gs_state * pgs)
 
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{
 
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    return common_viewclip(pgs, gx_rule_even_odd);
 
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}
 
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/* This code is (almost) copied from common_clip in gspath.c. */
 
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/* Someday we'll find a way to merge them. */
 
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static int
 
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common_viewclip(gs_state * pgs, int rule)
 
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{
 
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    gs_fixed_rect bbox;
 
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    gx_clip_path rpath;
 
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    int code;
 
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    gx_clip_path *pcpath = pgs->view_clip;
 
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    if (pcpath == 0) {
 
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        pcpath = gx_cpath_alloc(pgs->memory, "gs_[eo]viewclip");
 
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        if (pcpath == 0)
 
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            return_error(gs_error_VMerror);
 
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        pgs->view_clip = pcpath;
 
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    }
 
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    if ((code = gx_path_bbox(pgs->path, &bbox)) < 0)
 
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        return code;
 
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    gx_cpath_init_local(&rpath, pgs->memory);
 
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    code = gx_cpath_from_rectangle(&rpath, &bbox);
 
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    if (code >= 0)
 
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        code = gx_cpath_clip(pgs, &rpath, pgs->path, rule);
 
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    if (code < 0) {
 
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        gx_cpath_free(&rpath, "gs_[eo]viewclip");
 
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        return code;
 
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    }
 
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    rpath.rule = rule;
 
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    gx_cpath_assign_free(pcpath, &rpath);
 
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    gs_newpath(pgs);
 
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    return 0;
 
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}
 
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int
 
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gs_viewclippath(gs_state * pgs)
 
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{
 
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    gx_path cpath;
 
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    gx_clip_path *pcpath = pgs->view_clip;
 
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    int code;
 
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    gx_path_init_local(&cpath, pgs->memory);
 
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    if (pcpath == 0 || pcpath->rule == 0) {
 
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        /* No view clip path is active: fabricate one. */
 
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        gs_fixed_rect box;
 
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        code = gx_default_clip_box(pgs, &box);
 
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        if (code < 0)
 
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            return code;
 
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        code = gx_path_add_rectangle(&cpath, box.p.x, box.p.y,
 
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                                     box.q.x, box.q.y);
 
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    } else {
 
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        code = gx_cpath_to_path(pcpath, &cpath);
 
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    }
 
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    if (code < 0)
 
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        return code;
 
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    return gx_path_assign_free(pgs->path, &cpath);
 
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}