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
|
/*
* empathy-rounded-texture.c - Source for EmpathyRoundedTexture
* Copyright (C) 2011 Collabora Ltd.
* @author Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
*
* 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 2.1 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "empathy-rounded-texture.h"
G_DEFINE_TYPE (EmpathyRoundedTexture,
empathy_rounded_texture,
CLUTTER_TYPE_TEXTURE)
static void
empathy_rounded_texture_paint (ClutterActor *texture)
{
ClutterActorBox allocation = { 0, };
gfloat width, height;
clutter_actor_get_allocation_box (texture, &allocation);
clutter_actor_box_get_size (&allocation, &width, &height);
cogl_path_new ();
/* Create and store a path describing a rounded rectangle. The small
* size of the preview window makes the radius of the rounded corners
* very small too, so we can safely use a very coarse angle step
* without loosing rendering accuracy. It also significantly reduces
* the time spent in the underlying internal cogl path functions */
cogl_path_round_rectangle (0, 0, width, height, height / 16., 15);
cogl_clip_push_from_path ();
CLUTTER_ACTOR_CLASS (empathy_rounded_texture_parent_class)->paint (texture);
/* Flip */
cogl_rectangle_with_texture_coords (0, 0, width, height,
1., 0., 0., 1.);
cogl_clip_pop ();
}
static void
empathy_rounded_texture_init (EmpathyRoundedTexture *self)
{
}
static void
empathy_rounded_texture_class_init (EmpathyRoundedTextureClass *klass)
{
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
actor_class->paint = empathy_rounded_texture_paint;
}
ClutterActor *
empathy_rounded_texture_new (void)
{
return CLUTTER_ACTOR (
g_object_new (EMPATHY_TYPE_ROUNDED_TEXTURE, NULL));
}
|