Files
squeekboard/eek/eek-gtk-renderer.c
2019-07-12 20:04:22 +02:00

119 lines
3.5 KiB
C

/*
* Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
* Copyright (C) 2011 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <string.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "eek-gtk-renderer.h"
#include "eek-key.h"
G_DEFINE_TYPE (EekGtkRenderer, eek_gtk_renderer, EEK_TYPE_RENDERER);
static cairo_surface_t *
pixbuf_to_cairo_surface (GdkPixbuf *pixbuf)
{
cairo_surface_t *dummy_surface;
cairo_pattern_t *pattern;
cairo_surface_t *surface;
cairo_t *cr;
dummy_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1);
cr = cairo_create (dummy_surface);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
pattern = cairo_get_source (cr);
cairo_pattern_get_surface (pattern, &surface);
cairo_surface_reference (surface);
cairo_destroy (cr);
cairo_surface_destroy (dummy_surface);
return surface;
}
static cairo_surface_t *
eek_gtk_renderer_real_get_icon_surface (EekRenderer *self,
const gchar *icon_name,
gint size)
{
GdkPixbuf *pixbuf;
GError *error = NULL;
cairo_surface_t *surface;
gchar *path = g_strconcat("/sm/puri/squeekboard/icons/", icon_name, ".svg", NULL);
pixbuf = gdk_pixbuf_new_from_resource_at_scale (path, size, size,
TRUE, &error);
if (pixbuf != NULL)
goto found;
else {
g_warning ("can't get icon pixbuf for %s: %s", path, error->message);
g_error_free (error);
error = NULL;
}
g_free(path);
pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
icon_name,
size,
0,
&error);
if (pixbuf == NULL) {
g_warning ("can't get icon pixbuf for %s: %s",
icon_name,
error->message);
g_error_free (error);
return NULL;
}
found:
surface = pixbuf_to_cairo_surface (pixbuf);
g_object_unref (pixbuf);
return surface;
}
static void
eek_gtk_renderer_class_init (EekGtkRendererClass *klass)
{
EekRendererClass *renderer_class = EEK_RENDERER_CLASS (klass);
renderer_class->get_icon_surface = eek_gtk_renderer_real_get_icon_surface;
}
static void
eek_gtk_renderer_init (EekGtkRenderer *self)
{
}
EekRenderer *
eek_gtk_renderer_new (EekKeyboard *keyboard,
PangoContext *pcontext,
GtkWidget *widget)
{
return g_object_new (EEK_TYPE_GTK_RENDERER,
"keyboard", keyboard,
"pango-context", pcontext,
NULL);
}