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
|
/* GTK - The GIMP Toolkit
* testprint.c: Print example
* Copyright (C) 2006, Red Hat, Inc.
*
* 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 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <math.h>
#include <pango/pangocairo.h>
#include <gtk/gtk.h>
#include "testprintfileoperation.h"
static void
request_page_setup (GtkPrintOperation *operation,
GtkPrintContext *context,
int page_nr,
GtkPageSetup *setup)
{
/* Make the second page landscape mode a5 */
if (page_nr == 1)
{
GtkPaperSize *a5_size = gtk_paper_size_new ("iso_a5");
gtk_page_setup_set_orientation (setup, GTK_PAGE_ORIENTATION_LANDSCAPE);
gtk_page_setup_set_paper_size (setup, a5_size);
gtk_paper_size_free (a5_size);
}
}
static void
draw_page (GtkPrintOperation *operation,
GtkPrintContext *context,
int page_nr)
{
cairo_t *cr;
PangoLayout *layout;
PangoFontDescription *desc;
cr = gtk_print_context_get_cairo_context (context);
/* Draw a red rectangle, as wide as the paper (inside the margins) */
cairo_set_source_rgb (cr, 1.0, 0, 0);
cairo_rectangle (cr, 0, 0, gtk_print_context_get_width (context), 50);
cairo_fill (cr);
/* Draw some lines */
cairo_move_to (cr, 20, 10);
cairo_line_to (cr, 40, 20);
cairo_arc (cr, 60, 60, 20, 0, G_PI);
cairo_line_to (cr, 80, 20);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_set_line_width (cr, 5);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
cairo_stroke (cr);
/* Draw some text */
layout = gtk_print_context_create_pango_layout (context);
pango_layout_set_text (layout, "Hello World! Printing is easy", -1);
desc = pango_font_description_from_string ("sans 28");
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
cairo_move_to (cr, 30, 20);
pango_cairo_layout_path (cr, layout);
/* Font Outline */
cairo_set_source_rgb (cr, 0.93, 1.0, 0.47);
cairo_set_line_width (cr, 0.5);
cairo_stroke_preserve (cr);
/* Font Fill */
cairo_set_source_rgb (cr, 0, 0.0, 1.0);
cairo_fill (cr);
g_object_unref (layout);
}
int
main (int argc, char **argv)
{
GtkPrintOperation *print;
TestPrintFileOperation *print_file;
gtk_init (&argc, &argv);
/* Test some random drawing, with per-page paper settings */
print = gtk_print_operation_new ();
gtk_print_operation_set_n_pages (print, 2);
gtk_print_operation_set_unit (print, GTK_UNIT_MM);
gtk_print_operation_set_export_filename (print, "test.pdf");
g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), NULL);
g_signal_connect (print, "request_page_setup", G_CALLBACK (request_page_setup), NULL);
gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_EXPORT, NULL, NULL);
/* Test subclassing of GtkPrintOperation */
print_file = test_print_file_operation_new ("testprint.c");
test_print_file_operation_set_font_size (print_file, 12.0);
gtk_print_operation_set_export_filename (GTK_PRINT_OPERATION (print_file), "test2.pdf");
gtk_print_operation_run (GTK_PRINT_OPERATION (print_file), GTK_PRINT_OPERATION_ACTION_EXPORT, NULL, NULL);
return 0;
}
|
