1/* GTK - The GIMP Toolkit
2 * testprint.c: Print example
3 * Copyright (C) 2006, Red Hat, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#include "config.h"
20#include <math.h>
21#include <pango/pangocairo.h>
22#include <gtk/gtk.h>
23#include "testprintfileoperation.h"
24
25static void
26request_page_setup (GtkPrintOperation *operation,
27 GtkPrintContext *context,
28 int page_nr,
29 GtkPageSetup *setup)
30{
31 /* Make the second page landscape mode a5 */
32 if (page_nr == 1)
33 {
34 GtkPaperSize *a5_size = gtk_paper_size_new (name: "iso_a5");
35
36 gtk_page_setup_set_orientation (setup, orientation: GTK_PAGE_ORIENTATION_LANDSCAPE);
37 gtk_page_setup_set_paper_size (setup, size: a5_size);
38 gtk_paper_size_free (size: a5_size);
39 }
40}
41
42static void
43draw_page (GtkPrintOperation *operation,
44 GtkPrintContext *context,
45 int page_nr)
46{
47 cairo_t *cr;
48 PangoLayout *layout;
49 PangoFontDescription *desc;
50
51 cr = gtk_print_context_get_cairo_context (context);
52
53 /* Draw a red rectangle, as wide as the paper (inside the margins) */
54 cairo_set_source_rgb (cr, red: 1.0, green: 0, blue: 0);
55 cairo_rectangle (cr, x: 0, y: 0, width: gtk_print_context_get_width (context), height: 50);
56
57 cairo_fill (cr);
58
59 /* Draw some lines */
60 cairo_move_to (cr, x: 20, y: 10);
61 cairo_line_to (cr, x: 40, y: 20);
62 cairo_arc (cr, xc: 60, yc: 60, radius: 20, angle1: 0, G_PI);
63 cairo_line_to (cr, x: 80, y: 20);
64
65 cairo_set_source_rgb (cr, red: 0, green: 0, blue: 0);
66 cairo_set_line_width (cr, width: 5);
67 cairo_set_line_cap (cr, line_cap: CAIRO_LINE_CAP_ROUND);
68 cairo_set_line_join (cr, line_join: CAIRO_LINE_JOIN_ROUND);
69
70 cairo_stroke (cr);
71
72 /* Draw some text */
73
74 layout = gtk_print_context_create_pango_layout (context);
75 pango_layout_set_text (layout, text: "Hello World! Printing is easy", length: -1);
76 desc = pango_font_description_from_string (str: "sans 28");
77 pango_layout_set_font_description (layout, desc);
78 pango_font_description_free (desc);
79
80 cairo_move_to (cr, x: 30, y: 20);
81 pango_cairo_layout_path (cr, layout);
82
83 /* Font Outline */
84 cairo_set_source_rgb (cr, red: 0.93, green: 1.0, blue: 0.47);
85 cairo_set_line_width (cr, width: 0.5);
86 cairo_stroke_preserve (cr);
87
88 /* Font Fill */
89 cairo_set_source_rgb (cr, red: 0, green: 0.0, blue: 1.0);
90 cairo_fill (cr);
91
92 g_object_unref (object: layout);
93}
94
95int
96main (int argc, char **argv)
97{
98 GtkPrintOperation *print;
99 TestPrintFileOperation *print_file;
100
101 gtk_init ();
102
103 /* Test some random drawing, with per-page paper settings */
104 print = gtk_print_operation_new ();
105 gtk_print_operation_set_n_pages (op: print, n_pages: 2);
106 gtk_print_operation_set_unit (op: print, unit: GTK_UNIT_MM);
107 gtk_print_operation_set_export_filename (op: print, filename: "test.pdf");
108 g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), NULL);
109 g_signal_connect (print, "request_page_setup", G_CALLBACK (request_page_setup), NULL);
110 gtk_print_operation_run (op: print, action: GTK_PRINT_OPERATION_ACTION_EXPORT, NULL, NULL);
111
112 /* Test subclassing of GtkPrintOperation */
113 print_file = test_print_file_operation_new (filename: "testprint.c");
114 test_print_file_operation_set_font_size (op: print_file, points: 12.0);
115 gtk_print_operation_set_export_filename (GTK_PRINT_OPERATION (print_file), filename: "test2.pdf");
116 gtk_print_operation_run (GTK_PRINT_OPERATION (print_file), action: GTK_PRINT_OPERATION_ACTION_EXPORT, NULL, NULL);
117
118 return 0;
119}
120

source code of gtk/tests/testprint.c