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Viewing changes to src/zimage3.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/zimage3.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: zimage3.c 8250 2007-09-25 13:31:24Z giles $ */
15
 
/* LanguageLevel 3 ImageTypes (3 & 4 - masked images) */
16
 
#include "memory_.h"
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#include "ghost.h"
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#include "oper.h"
19
 
#include "gscspace.h"           /* for gscolor2.h */
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#include "gscolor2.h"
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#include "gsiparm3.h"
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#include "gsiparm4.h"
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#include "gxiparam.h"           /* for image enumerator */
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#include "idict.h"
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#include "idparam.h"
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#include "igstate.h"
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#include "iimage.h"
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#include "ialloc.h"
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30
 
/* <dict> .image3 - */
31
 
static int
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zimage3(i_ctx_t *i_ctx_p)
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{
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    os_ptr op = osp;
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    gs_image3_t image;
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    int interleave_type;
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    ref *pDataDict;
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    ref *pMaskDict;
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    image_params ip_data, ip_mask;
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    int ignored;
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    int code, mcode;
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43
 
    check_type(*op, t_dictionary);
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    check_dict_read(*op);
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    if ((code = dict_int_param(op, "InterleaveType", 1, 3, -1,
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                               &interleave_type)) < 0
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        )
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        return code;
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    gs_image3_t_init(&image, NULL, interleave_type);
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    if (dict_find_string(op, "DataDict", &pDataDict) <= 0 ||
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        dict_find_string(op, "MaskDict", &pMaskDict) <= 0
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        )
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        return_error(e_rangecheck);
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    if ((code = pixel_image_params(i_ctx_p, pDataDict,
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                        (gs_pixel_image_t *)&image, &ip_data,
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                        12, false, gs_currentcolorspace(igs))) < 0 ||
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        (mcode = code = data_image_params(imemory, pMaskDict, &image.MaskDict,
58
 
                                   &ip_mask, false, 1, 12, false)) < 0 ||
59
 
        (code = dict_int_param(pDataDict, "ImageType", 1, 1, 0, &ignored)) < 0 ||
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        (code = dict_int_param(pMaskDict, "ImageType", 1, 1, 0, &ignored)) < 0
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        )
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        return code;
63
 
    /*
64
 
     * MaskDict must have a DataSource iff InterleaveType == 3.
65
 
     */
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    if ((ip_data.MultipleDataSources && interleave_type != 3) ||
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        ip_mask.MultipleDataSources ||
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        mcode != (image.InterleaveType != 3)
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        )
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        return_error(e_rangecheck);
71
 
    if (image.InterleaveType == 3) {
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        /* Insert the mask DataSource before the data DataSources. */
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        memmove(&ip_data.DataSource[1], &ip_data.DataSource[0],
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                (countof(ip_data.DataSource) - 1) *
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                sizeof(ip_data.DataSource[0]));
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        ip_data.DataSource[0] = ip_mask.DataSource[0];
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    }
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    return zimage_setup(i_ctx_p, (gs_pixel_image_t *)&image,
79
 
                        &ip_data.DataSource[0],
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                        image.CombineWithColor, 1);
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}
82
 
 
83
 
/* <dict> .image4 - */
84
 
static int
85
 
zimage4(i_ctx_t *i_ctx_p)
86
 
{
87
 
    os_ptr op = osp;
88
 
    gs_image4_t image;
89
 
    image_params ip;
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    int num_components =
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        gs_color_space_num_components(gs_currentcolorspace(igs));
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    int colors[countof(image.MaskColor)];
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    int code;
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    int i;
95
 
 
96
 
    gs_image4_t_init(&image, NULL);
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    code = pixel_image_params(i_ctx_p, op, (gs_pixel_image_t *)&image, &ip,
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                              12, false, gs_currentcolorspace(igs));
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    if (code < 0)
100
 
        return code;
101
 
    code = dict_int_array_check_param(imemory, op, "MaskColor",
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       num_components * 2, colors, 0, e_rangecheck);
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    /* Clamp the color values to the unsigned range. */
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    if (code == num_components) {
105
 
        image.MaskColor_is_range = false;
106
 
        for (i = 0; i < code; ++i)
107
 
            image.MaskColor[i] = (colors[i] < 0 ? ~(uint)0 : colors[i]);
108
 
    }
109
 
    else if (code == num_components * 2) {
110
 
        image.MaskColor_is_range = true;
111
 
        for (i = 0; i < code; i += 2) {
112
 
            if (colors[i+1] < 0) /* no match possible */
113
 
                image.MaskColor[i] = 1, image.MaskColor[i+1] = 0;
114
 
            else {
115
 
                image.MaskColor[i+1] = colors[i+1];
116
 
                image.MaskColor[i] = max(colors[i], 0);
117
 
            }
118
 
        }
119
 
    } else
120
 
        return_error(code < 0 ? code : gs_note_error(e_rangecheck));
121
 
    return zimage_setup(i_ctx_p, (gs_pixel_image_t *)&image, &ip.DataSource[0],
122
 
                        image.CombineWithColor, 1);
123
 
}
124
 
 
125
 
/* ------ Initialization procedure ------ */
126
 
 
127
 
const op_def zimage3_op_defs[] =
128
 
{
129
 
    op_def_begin_ll3(),
130
 
    {"1.image3", zimage3},
131
 
    {"1.image4", zimage4},
132
 
    op_def_end(0)
133
 
};