1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/* GXPSPdfConverter
*
* Copyright (C) 2011 Carlos Garcia Campos <carlosgc@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include "gxps-ps-converter.h"
#include <libgxps/gxps.h>
#include <cairo-ps.h>
#include <string.h>
struct _GXPSPsConverter {
GXPSPrintConverter parent;
cairo_ps_level_t level;
guint eps : 1;
guint duplex : 1;
};
struct _GXPSPsConverterClass {
GXPSPrintConverterClass parent_class;
};
G_DEFINE_TYPE (GXPSPsConverter, gxps_ps_converter, GXPS_TYPE_PRINT_CONVERTER)
typedef struct _GXPSPaperSize {
const gchar *name;
guint width;
guint height;
} GXPSPaperSize;
static const GXPSPaperSize paper_sizes[] =
{
{ "match", 0, 0 },
{ "A0", 2384, 3371 },
{ "A1", 1685, 2384 },
{ "A2", 1190, 1684 },
{ "A3", 842, 1190 },
{ "A4", 595, 842 },
{ "A5", 420, 595 },
{ "B4", 729, 1032 },
{ "B5", 516, 729 },
{ "Letter", 612, 792 },
{ "Tabloid", 792, 1224 },
{ "Ledger", 1224, 792 },
{ "Legal", 612, 1008 },
{ "Statement", 396, 612 },
{ "Executive", 540, 720 },
{ "Folio", 612, 936 },
{ "Quarto", 610, 780 },
{ "10x14", 720, 1008 },
};
static gboolean level2 = FALSE;
static gboolean level3 = FALSE;
static gboolean eps = FALSE;
static gboolean duplex = FALSE;
static gchar *paper = NULL;
static const GOptionEntry options[] =
{
{ "level2", '\0', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &level2, "generate Level 2 PostScript", NULL },
{ "level3", '\0', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &level3, "generate Level 3 PostScript", NULL },
{ "eps", '\0', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &eps, "generate Encapsulated PostScript", NULL },
{ "paper", '\0', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_STRING, &paper, "paper size (match, letter, legal, A4, A3, ...)", "PAPER" },
{ "duplex", '\0', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &duplex, "enable duplex printing", NULL },
{ NULL }
};
static gboolean
gxps_ps_converter_init_with_args (GXPSConverter *converter,
gint *argc,
gchar ***argv,
GList **option_groups)
{
GXPSPsConverter *ps_converter = GXPS_PS_CONVERTER (converter);
GXPSPrintConverter *print_converter = GXPS_PRINT_CONVERTER (converter);
GOptionContext *context;
GOptionGroup *option_group;
guint i;
GError *error = NULL;
option_group = g_option_group_new ("postscrit", "PostScript Options", "Show PostScript Options", NULL, NULL);
g_option_group_add_entries (option_group, options);
*option_groups = g_list_prepend (*option_groups, option_group);
if (GXPS_CONVERTER_CLASS (gxps_ps_converter_parent_class)->init_with_args) {
if (!GXPS_CONVERTER_CLASS (gxps_ps_converter_parent_class)->init_with_args (converter, argc, argv, option_groups))
return FALSE;
}
context = g_option_context_new (NULL);
g_option_context_set_ignore_unknown_options (context, TRUE);
g_option_context_set_help_enabled (context, FALSE);
g_option_context_add_main_entries (context, options, NULL);
if (!g_option_context_parse (context, argc, argv, &error)) {
g_printerr ("Error parsing arguments: %s\n", error->message);
g_error_free (error);
g_option_context_free (context);
return FALSE;
}
g_option_context_free (context);
ps_converter->level = (level2 && !level3) ? CAIRO_PS_LEVEL_2 : CAIRO_PS_LEVEL_3;
ps_converter->eps = eps;
ps_converter->duplex = duplex;
for (i = 0; paper && i < G_N_ELEMENTS (paper_sizes); i++) {
if (g_ascii_strcasecmp (paper, paper_sizes[i].name) == 0) {
print_converter->paper_width = paper_sizes[i].width;
print_converter->paper_height = paper_sizes[i].height;
break;
}
}
g_print ("DBG: paper size: %s %d, %d\n", paper, print_converter->paper_width, print_converter->paper_height);
return TRUE;
}
static const gchar *
gxps_ps_converter_get_extension (GXPSConverter *converter)
{
return "ps";
}
static void
gxps_ps_converter_begin_document (GXPSConverter *converter,
const gchar *output_filename,
GXPSPage *first_page)
{
GXPSPsConverter *ps_converter = GXPS_PS_CONVERTER (converter);
GXPSPrintConverter *print_converter = GXPS_PRINT_CONVERTER (converter);
gdouble width, height;
GXPS_CONVERTER_CLASS (gxps_ps_converter_parent_class)->begin_document (converter, output_filename, first_page);
_gxps_converter_print_get_output_size (print_converter, first_page, &width, &height);
converter->surface = cairo_ps_surface_create (print_converter->filename, width, height);
if (ps_converter->level == CAIRO_PS_LEVEL_2)
cairo_ps_surface_restrict_to_level (converter->surface, ps_converter->level);
if (ps_converter->eps)
cairo_ps_surface_set_eps (converter->surface, 1);
if (ps_converter->duplex) {
cairo_ps_surface_dsc_comment (converter->surface, "%%Requirements: duplex");
cairo_ps_surface_dsc_begin_setup (converter->surface);
cairo_ps_surface_dsc_comment (converter->surface, "%%IncludeFeature: *Duplex DuplexNoTumble");
}
cairo_ps_surface_dsc_begin_page_setup (converter->surface);
}
static cairo_t *
gxps_ps_converter_begin_page (GXPSConverter *converter,
GXPSPage *page,
guint n_page)
{
GXPSPrintConverter *print_converter = GXPS_PRINT_CONVERTER (converter);
gdouble width, height;
g_return_val_if_fail (converter->surface != NULL, NULL);
_gxps_converter_print_get_output_size (print_converter, page, &width, &height);
if (width > height) {
cairo_ps_surface_dsc_comment (converter->surface, "%%PageOrientation: Landscape");
cairo_ps_surface_set_size (converter->surface, height, width);
} else {
cairo_ps_surface_dsc_comment (converter->surface, "%%PageOrientation: Portrait");
cairo_ps_surface_set_size (converter->surface, width, height);
}
return GXPS_CONVERTER_CLASS (gxps_ps_converter_parent_class)->begin_page (converter, page, n_page);
}
static void
gxps_ps_converter_init (GXPSPsConverter *converter)
{
}
static void
gxps_ps_converter_class_init (GXPSPsConverterClass *klass)
{
GXPSConverterClass *converter_class = GXPS_CONVERTER_CLASS (klass);
converter_class->init_with_args = gxps_ps_converter_init_with_args;
converter_class->get_extension = gxps_ps_converter_get_extension;
converter_class->begin_document = gxps_ps_converter_begin_document;
converter_class->begin_page = gxps_ps_converter_begin_page;
}
|
