2 * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include "gis-marker.h"
22 G_DEFINE_TYPE(GisMarker, gis_marker, GIS_TYPE_OBJECT);
23 static void gis_marker_init(GisMarker *self) { }
25 static void gis_marker_finalize(GObject *_self);
26 static void gis_marker_class_init(GisMarkerClass *klass)
28 G_OBJECT_CLASS(klass)->finalize = gis_marker_finalize;
31 GisMarker *gis_marker_new(const gchar *label)
33 static const int RADIUS = 4;
34 static const int WIDTH = 100;
35 static const int HEIGHT = 20;
37 GisMarker *self = g_object_new(GIS_TYPE_MARKER, NULL);
39 self->yoff = HEIGHT-RADIUS;
40 self->label = g_strdup(label);
41 self->cairo = cairo_create(cairo_image_surface_create(
42 CAIRO_FORMAT_ARGB32, WIDTH, HEIGHT));
43 cairo_set_source_rgba(self->cairo, 1, 1, 1, 1);
44 cairo_arc(self->cairo, self->xoff, self->yoff, RADIUS, 0, 2*G_PI);
45 cairo_fill(self->cairo);
46 cairo_move_to(self->cairo, self->xoff+4, self->yoff-8);
47 cairo_set_font_size(self->cairo, 10);
48 cairo_show_text(self->cairo, self->label);
52 static void gis_marker_finalize(GObject *_self)
54 GisMarker *self = GIS_MARKER(_self);
55 cairo_surface_destroy(cairo_get_target(self->cairo));
56 cairo_destroy(self->cairo);