← Back to branch summary

~ubuntu-branches/ubuntu/jaunty/ghostscript/jaunty-updates

« back to all changes in this revision

Viewing changes to base/gscolor1.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/

Show diffs side-by-side

added added

removed removed

Lines of Context:
base/gscolor1.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: gscolor1.c 8022 2007-06-05 22:23:38Z giles $ */
 
15
/* Level 1 extended color operators for Ghostscript library */
 
16
#include "gx.h"
 
17
#include "gserrors.h"
 
18
#include "gsstruct.h"
 
19
#include "gsutil.h"             /* for gs_next_ids */
 
20
#include "gsccolor.h"
 
21
#include "gxcspace.h"
 
22
#include "gxdcconv.h"
 
23
#include "gxdevice.h"           /* for gx_color_index */
 
24
#include "gxcmap.h"
 
25
#include "gzstate.h"
 
26
#include "gscolor1.h"
 
27
#include "gscolor2.h"
 
28
#include "gxhttype.h"
 
29
#include "gzht.h"
 
30
 
 
31
/* Imports from gscolor.c */
 
32
void load_transfer_map(gs_state *, gx_transfer_map *, floatp);
 
33
 
 
34
/* Imported from gsht.c */
 
35
void gx_set_effective_transfer(gs_state *);
 
36
 
 
37
/* Force a parameter into the range [0.0..1.0]. */
 
38
#define FORCE_UNIT(p) (p < 0.0 ? 0.0 : p > 1.0 ? 1.0 : p)
 
39
 
 
40
/* setcmykcolor */
 
41
int
 
42
gs_setcmykcolor(gs_state * pgs, floatp c, floatp m, floatp y, floatp k)
 
43
{
 
44
    gs_color_space      *pcs;
 
45
    int                 code;
 
46
 
 
47
    pcs = gs_cspace_new_DeviceCMYK(pgs->memory);
 
48
    if (pcs == NULL)
 
49
        return_error(gs_error_VMerror);
 
50
    if ((code = gs_setcolorspace(pgs, pcs)) >= 0) {
 
51
       gs_client_color *    pcc = pgs->ccolor;
 
52
 
 
53
        cs_adjust_color_count(pgs, -1); /* not strictly necessary */
 
54
        pcc->paint.values[0] = FORCE_UNIT(c);
 
55
        pcc->paint.values[1] = FORCE_UNIT(m);
 
56
        pcc->paint.values[2] = FORCE_UNIT(y);
 
57
        pcc->paint.values[3] = FORCE_UNIT(k);
 
58
        pcc->pattern = 0;               /* for GC */
 
59
        gx_unset_dev_color(pgs);
 
60
    }
 
61
    rc_decrement_only(pcs, "gs_setcmykcolor");
 
62
    return code;
 
63
}
 
64
 
 
65
 
 
66
/* setblackgeneration */
 
67
/* Remap=0 is used by the interpreter. */
 
68
int
 
69
gs_setblackgeneration(gs_state * pgs, gs_mapping_proc proc)
 
70
{
 
71
    return gs_setblackgeneration_remap(pgs, proc, true);
 
72
}
 
73
int
 
74
gs_setblackgeneration_remap(gs_state * pgs, gs_mapping_proc proc, bool remap)
 
75
{
 
76
    rc_unshare_struct(pgs->black_generation, gx_transfer_map,
 
77
                      &st_transfer_map, pgs->memory,
 
78
                      return_error(gs_error_VMerror),
 
79
                      "gs_setblackgeneration");
 
80
    pgs->black_generation->proc = proc;
 
81
    pgs->black_generation->id = gs_next_ids(pgs->memory, 1);
 
82
    if (remap) {
 
83
        load_transfer_map(pgs, pgs->black_generation, 0.0);
 
84
        gx_unset_dev_color(pgs);
 
85
    }
 
86
    return 0;
 
87
}
 
88
 
 
89
/* currentblackgeneration */
 
90
gs_mapping_proc
 
91
gs_currentblackgeneration(const gs_state * pgs)
 
92
{
 
93
    return pgs->black_generation->proc;
 
94
}
 
95
 
 
96
/* setundercolorremoval */
 
97
/* Remap=0 is used by the interpreter. */
 
98
int
 
99
gs_setundercolorremoval(gs_state * pgs, gs_mapping_proc proc)
 
100
{
 
101
    return gs_setundercolorremoval_remap(pgs, proc, true);
 
102
}
 
103
int
 
104
gs_setundercolorremoval_remap(gs_state * pgs, gs_mapping_proc proc, bool remap)
 
105
{
 
106
    rc_unshare_struct(pgs->undercolor_removal, gx_transfer_map,
 
107
                      &st_transfer_map, pgs->memory,
 
108
                      return_error(gs_error_VMerror),
 
109
                      "gs_setundercolorremoval");
 
110
    pgs->undercolor_removal->proc = proc;
 
111
    pgs->undercolor_removal->id = gs_next_ids(pgs->memory, 1);
 
112
    if (remap) {
 
113
        load_transfer_map(pgs, pgs->undercolor_removal, -1.0);
 
114
        gx_unset_dev_color(pgs);
 
115
    }
 
116
    return 0;
 
117
}
 
118
 
 
119
/* currentundercolorremoval */
 
120
gs_mapping_proc
 
121
gs_currentundercolorremoval(const gs_state * pgs)
 
122
{
 
123
    return pgs->undercolor_removal->proc;
 
124
}
 
125
 
 
126
/* setcolortransfer */
 
127
/* Remap=0 is used by the interpreter. */
 
128
int
 
129
gs_setcolortransfer_remap(gs_state * pgs, gs_mapping_proc red_proc,
 
130
                          gs_mapping_proc green_proc,
 
131
                          gs_mapping_proc blue_proc,
 
132
                          gs_mapping_proc gray_proc, bool remap)
 
133
{
 
134
    gx_transfer *ptran = &pgs->set_transfer;
 
135
    gx_transfer old;
 
136
    gs_id new_ids = gs_next_ids(pgs->memory, 4);
 
137
    gx_device * dev = pgs->device;
 
138
 
 
139
    old = *ptran;
 
140
    rc_unshare_struct(ptran->gray, gx_transfer_map, &st_transfer_map,
 
141
                      pgs->memory, goto fgray, "gs_setcolortransfer");
 
142
    rc_unshare_struct(ptran->red, gx_transfer_map, &st_transfer_map,
 
143
                      pgs->memory, goto fred, "gs_setcolortransfer");
 
144
    rc_unshare_struct(ptran->green, gx_transfer_map, &st_transfer_map,
 
145
                      pgs->memory, goto fgreen, "gs_setcolortransfer");
 
146
    rc_unshare_struct(ptran->blue, gx_transfer_map, &st_transfer_map,
 
147
                      pgs->memory, goto fblue, "gs_setcolortransfer");
 
148
    ptran->gray->proc = gray_proc;
 
149
    ptran->gray->id = new_ids;
 
150
    ptran->red->proc = red_proc;
 
151
    ptran->red->id = new_ids + 1;
 
152
    ptran->green->proc = green_proc;
 
153
    ptran->green->id = new_ids + 2;
 
154
    ptran->blue->proc = blue_proc;
 
155
    ptran->blue->id = new_ids + 3;
 
156
    ptran->red_component_num = 
 
157
        gs_color_name_component_number(dev, "Red", 3, ht_type_colorscreen);
 
158
    ptran->green_component_num = 
 
159
        gs_color_name_component_number(dev, "Green", 5, ht_type_colorscreen);
 
160
    ptran->blue_component_num = 
 
161
        gs_color_name_component_number(dev, "Blue", 4, ht_type_colorscreen);
 
162
    ptran->gray_component_num = 
 
163
        gs_color_name_component_number(dev, "Gray", 4, ht_type_colorscreen);
 
164
    if (remap) {
 
165
        load_transfer_map(pgs, ptran->red, 0.0);
 
166
        load_transfer_map(pgs, ptran->green, 0.0);
 
167
        load_transfer_map(pgs, ptran->blue, 0.0);
 
168
        load_transfer_map(pgs, ptran->gray, 0.0);
 
169
        gx_set_effective_transfer(pgs);
 
170
        gx_unset_dev_color(pgs);
 
171
    } else
 
172
        gx_set_effective_transfer(pgs);
 
173
    return 0;
 
174
  fblue:
 
175
    rc_assign(ptran->green, old.green, "setcolortransfer");
 
176
  fgreen:
 
177
    rc_assign(ptran->red, old.red, "setcolortransfer");
 
178
  fred:
 
179
    rc_assign(ptran->gray, old.gray, "setcolortransfer");
 
180
  fgray:
 
181
    return_error(gs_error_VMerror);
 
182
}
 
183
int
 
184
gs_setcolortransfer(gs_state * pgs, gs_mapping_proc red_proc,
 
185
                    gs_mapping_proc green_proc, gs_mapping_proc blue_proc,
 
186
                    gs_mapping_proc gray_proc)
 
187
{
 
188
    return gs_setcolortransfer_remap(pgs, red_proc, green_proc,
 
189
                                     blue_proc, gray_proc, true);
 
190
}
 
191
 
 
192
/* currentcolortransfer */
 
193
void
 
194
gs_currentcolortransfer(const gs_state * pgs, gs_mapping_proc procs[4])
 
195
{
 
196
    const gx_transfer *ptran = &pgs->set_transfer;
 
197
 
 
198
    procs[0] = ptran->red->proc;
 
199
    procs[1] = ptran->green->proc;
 
200
    procs[2] = ptran->blue->proc;
 
201
    procs[3] = ptran->gray->proc;
 
202
}