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Viewing changes to src/zfdcte.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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src/zfdcte.c
1
 
/* Copyright (C) 2001-2006 Artifex Software, Inc.
2
 
   All Rights Reserved.
3
 
  
4
 
   This software is provided AS-IS with no warranty, either express or
5
 
   implied.
6
 
 
7
 
   This software is distributed under license and may not be copied, modified
8
 
   or distributed except as expressly authorized under the terms of that
9
 
   license.  Refer to licensing information at http://www.artifex.com/
10
 
   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
11
 
   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
12
 
*/
13
 
 
14
 
/* $Id: zfdcte.c 8250 2007-09-25 13:31:24Z giles $ */
15
 
/* DCTEncode filter creation */
16
 
#include "memory_.h"
17
 
#include "stdio_.h"             /* for jpeglib.h */
18
 
#include "jpeglib_.h"
19
 
#include "ghost.h"
20
 
#include "oper.h"
21
 
#include "gsmemory.h"
22
 
#include "ialloc.h"
23
 
#include "idict.h"
24
 
#include "idparam.h"
25
 
#include "strimpl.h"
26
 
#include "sdct.h"
27
 
#include "sjpeg.h"
28
 
#include "ifilter.h"
29
 
#include "iparam.h"
30
 
 
31
 
/*#define TEST*/
32
 
/* Import the parameter processing procedure from sdeparam.c */
33
 
stream_state_proc_put_params(s_DCTE_put_params, stream_DCT_state);
34
 
#ifdef TEST
35
 
stream_state_proc_get_params(s_DCTE_get_params, stream_DCT_state);
36
 
#endif
37
 
 
38
 
/* <target> <dict> DCTEncode/filter <file> */
39
 
static int
40
 
zDCTE(i_ctx_t *i_ctx_p)
41
 
{
42
 
    os_ptr op = osp;
43
 
    gs_memory_t *mem = gs_memory_stable(imemory);
44
 
    stream_DCT_state state;
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    dict_param_list list;
46
 
    jpeg_compress_data *jcdp;
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    int code;
48
 
    const ref *dop;
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    uint dspace;
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51
 
    /* First allocate space for IJG parameters. */
52
 
    jcdp = gs_alloc_struct_immovable(mem, jpeg_compress_data,
53
 
      &st_jpeg_compress_data, "zDCTE");
54
 
    if (jcdp == 0)
55
 
        return_error(e_VMerror);
56
 
    if (s_DCTE_template.set_defaults)
57
 
        (*s_DCTE_template.set_defaults) ((stream_state *) & state);
58
 
    state.data.compress = jcdp;
59
 
    jcdp->memory = state.jpeg_memory = mem;     /* set now for allocation */
60
 
    state.report_error = filter_report_error;   /* in case create fails */
61
 
    if ((code = gs_jpeg_create_compress(&state)) < 0)
62
 
        goto fail;              /* correct to do jpeg_destroy here */
63
 
    /* Read parameters from dictionary */
64
 
    if (r_has_type(op, t_dictionary))
65
 
        dop = op, dspace = r_space(op);
66
 
    else
67
 
        dop = 0, dspace = 0;
68
 
    if ((code = dict_param_list_read(&list, dop, NULL, false, iimemory)) < 0)
69
 
        goto fail;
70
 
    if ((code = s_DCTE_put_params((gs_param_list *) & list, &state)) < 0)
71
 
        goto rel;
72
 
    /* Create the filter. */
73
 
    jcdp->template = s_DCTE_template;
74
 
    /* Make sure we get at least a full scan line of input. */
75
 
    state.scan_line_size = jcdp->cinfo.input_components *
76
 
        jcdp->cinfo.image_width;
77
 
    jcdp->template.min_in_size =
78
 
        max(s_DCTE_template.min_in_size, state.scan_line_size);
79
 
    /* Make sure we can write the user markers in a single go. */
80
 
    jcdp->template.min_out_size =
81
 
        max(s_DCTE_template.min_out_size, state.Markers.size);
82
 
    code = filter_write(i_ctx_p, 0, &jcdp->template,
83
 
                        (stream_state *) & state, dspace);
84
 
    if (code >= 0)              /* Success! */
85
 
        return code;
86
 
    /* We assume that if filter_write fails, the stream has not been
87
 
     * registered for closing, so s_DCTE_release will never be called.
88
 
     * Therefore we free the allocated memory before failing.
89
 
     */
90
 
rel:
91
 
    iparam_list_release(&list);
92
 
fail:
93
 
    gs_jpeg_destroy(&state);
94
 
    gs_free_object(mem, jcdp, "zDCTE fail");
95
 
    return code;
96
 
}
97
 
 
98
 
#ifdef TEST
99
 
#include "stream.h"
100
 
#include "files.h"
101
 
/* <dict> <filter> <bool> .dcteparams <dict> */
102
 
static int
103
 
zdcteparams(i_ctx_t *i_ctx_p)
104
 
{
105
 
    os_ptr op = osp;
106
 
    stream *s;
107
 
    dict_param_list list;
108
 
    int code;
109
 
 
110
 
    check_type(*op, t_boolean);
111
 
    check_write_file(s, op - 1);
112
 
    check_type(op[-2], t_dictionary);
113
 
    /* The DCT filters copy the template.... */
114
 
    if (s->state->template->process != s_DCTE_template.process)
115
 
        return_error(e_rangecheck);
116
 
    code = dict_param_list_write(&list, op - 2, NULL, iimemory);
117
 
    if (code < 0)
118
 
        return code;
119
 
    code = s_DCTE_get_params((gs_param_list *) & list,
120
 
                             (stream_DCT_state *) s->state,
121
 
                             op->value.boolval);
122
 
    iparam_list_release(&list);
123
 
    if (code >= 0)
124
 
        pop(2);
125
 
    return code;
126
 
}
127
 
#endif
128
 
 
129
 
/* ------ Initialization procedure ------ */
130
 
 
131
 
const op_def zfdcte_op_defs[] =
132
 
{
133
 
#ifdef TEST
134
 
    {"3.dcteparams", zdcteparams},
135
 
#endif
136
 
    op_def_begin_filter(),
137
 
    {"2DCTEncode", zDCTE},
138
 
    op_def_end(0)
139
 
};