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
|
/*
* Copyright © 2005 Red Hat, Inc.
* Copyright © 2005 Emmanuel Pacaud <emmanuel.pacaud@free.fr>
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Kristian Høgsberg <krh@redhat.com>
* Emmanuel Pacaud <emmanuel.pacaud@free.fr>
*/
#include <stdlib.h>
#include <stdio.h>
#include <librsvg/rsvg.h>
#define FAIL(msg) \
do { fprintf (stderr, "FAIL: %s\n", msg); exit (-1); } while (0)
int main (int argc, char *argv[])
{
GError *error = NULL;
RsvgHandle *handle;
RsvgDimensionData dimensions;
const char *filename = argv[1];
const char *output_filename = argv[2];
cairo_surface_t *surface;
cairo_t *cr;
cairo_status_t status;
if (argc != 3)
FAIL ("usage: svg2png input_file.svg output_file.png");
#if GLIB_MAJOR_VERSION <= 2 && GLIB_MINOR_VERSION <= 34
g_type_init ();
#endif
error = NULL;
rsvg_set_default_dpi (72.0);
handle = rsvg_handle_new_from_file (filename, &error);
if (!handle)
FAIL (error->message);
rsvg_handle_get_dimensions (handle, &dimensions);
surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
dimensions.width, dimensions.height);
cr = cairo_create (surface);
cairo_surface_destroy (surface);
cairo_set_source_rgb (cr, 1,1,1);
cairo_paint (cr);
cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR_ALPHA);
if (!rsvg_handle_render_cairo (handle, cr))
FAIL (error->message);
cairo_pop_group_to_source (cr);
cairo_paint (cr);
status = cairo_surface_write_to_png (cairo_get_target (cr),
output_filename);
cairo_destroy (cr);
if (status)
FAIL (cairo_status_to_string (status));
if (!rsvg_handle_close (handle, &error))
FAIL (error->message);
g_object_unref (handle);
return 0;
}
|
