mutter/clutter/clutter-rectangle.c
Matthew Allum df92202c5f 2006-06-13 Matthew Allum <mallum@openedhand.com>
* clutter/Makefile.am:
        * clutter/clutter-actor.c:
        * clutter/clutter-actor.h:
        * clutter/clutter-clone-texture.c:
        * clutter/clutter-clone-texture.h:
        * clutter/clutter-element.c:
        * clutter/clutter-element.h:
        * clutter/clutter-group.c:
        * clutter/clutter-group.h:
        * clutter/clutter-label.c:
        * clutter/clutter-label.h:
        * clutter/clutter-main.c:
        * clutter/clutter-main.h:
        * clutter/clutter-rectangle.c:
        * clutter/clutter-rectangle.h:
        * clutter/clutter-stage.c:
        * clutter/clutter-stage.h:
        * clutter/clutter-texture.c:
        * clutter/clutter-texture.h:
        * clutter/clutter-video-texture.c:
        * clutter/clutter-video-texture.h:
        * clutter/clutter.h:
        * examples/super-oh.c:
        * examples/test-text.c:
        * examples/test-video.c:
        * examples/test.c:
        * examples/video-cube.c:
        * gtk/gtk-clutter-test.c:
        * gtk/gtk-clutter.c:
        * gtk/gtk-clutter.h:
        Element to Actor Renaming.
2006-06-13 13:17:45 +00:00

257 lines
6.1 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2006 OpenedHand
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "clutter-rectangle.h"
#include "clutter-main.h"
#include "clutter-private.h" /* for DBG */
#include <GL/glx.h>
#include <GL/gl.h>
G_DEFINE_TYPE (ClutterRectangle, clutter_rectangle, CLUTTER_TYPE_ACTOR);
enum
{
PROP_0,
PROP_COLOR
/* FIXME: Add gradient, rounded corner props etc */
};
#define CLUTTER_RECTANGLE_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), CLUTTER_TYPE_RECTANGLE, ClutterRectanglePrivate))
struct _ClutterRectanglePrivate
{
ClutterColor color;
};
static void
clutter_rectangle_paint (ClutterActor *self)
{
ClutterRectangle *rectangle = CLUTTER_RECTANGLE(self);
ClutterRectanglePrivate *priv;
ClutterGeometry geom;
rectangle = CLUTTER_RECTANGLE(self);
priv = rectangle->priv;
glPushMatrix();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
clutter_actor_get_geometry (self, &geom);
glColor4ub(priv->color.red,
priv->color.green,
priv->color.blue,
clutter_actor_get_opacity (self));
glRecti (geom.x,
geom.y,
geom.x + geom.width,
geom.y + geom.height);
glDisable(GL_BLEND);
glPopMatrix();
}
static void
clutter_rectangle_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterRectangle *rectangle = CLUTTER_RECTANGLE(object);
switch (prop_id)
{
case PROP_COLOR:
clutter_rectangle_set_color (rectangle, g_value_get_boxed (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
clutter_rectangle_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
ClutterRectangle *rectangle = CLUTTER_RECTANGLE(object);
ClutterColor color;
switch (prop_id)
{
case PROP_COLOR:
clutter_rectangle_get_color (rectangle, &color);
g_value_set_boxed (value, &color);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
clutter_rectangle_finalize (GObject *object)
{
G_OBJECT_CLASS (clutter_rectangle_parent_class)->finalize (object);
}
static void
clutter_rectangle_dispose (GObject *object)
{
G_OBJECT_CLASS (clutter_rectangle_parent_class)->dispose (object);
}
static void
clutter_rectangle_class_init (ClutterRectangleClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
actor_class->paint = clutter_rectangle_paint;
gobject_class->finalize = clutter_rectangle_finalize;
gobject_class->dispose = clutter_rectangle_dispose;
gobject_class->set_property = clutter_rectangle_set_property;
gobject_class->get_property = clutter_rectangle_get_property;
g_object_class_install_property
(gobject_class, PROP_COLOR,
g_param_spec_boxed ("color",
"Color",
"The color of the rectangle",
CLUTTER_TYPE_COLOR,
G_PARAM_READWRITE));
g_type_class_add_private (gobject_class, sizeof (ClutterRectanglePrivate));
}
static void
clutter_rectangle_init (ClutterRectangle *self)
{
self->priv = CLUTTER_RECTANGLE_GET_PRIVATE (self);
self->priv->color.red = 0xff;
self->priv->color.green = 0xff;
self->priv->color.blue = 0xff;
self->priv->color.alpha = 0xff;
}
/**
* clutter_rectangle_new:
*
* Creates a new #ClutterActor with a rectangular shape.
*
* Return value: a new #ClutterActor
*/
ClutterActor*
clutter_rectangle_new (void)
{
return g_object_new (CLUTTER_TYPE_RECTANGLE, NULL);
}
/**
* clutter_rectangle_new_with_color:
* @color: a #ClutterColor
*
* Creates a new #ClutterActor with a rectangular shape
* and with @color.
*
* Return value: a new #ClutterActor
*/
ClutterActor *
clutter_rectangle_new_with_color (const ClutterColor *color)
{
return g_object_new (CLUTTER_TYPE_RECTANGLE,
"color", color,
NULL);
}
/**
* clutter_rectangle_get_color:
* @rectangle: a #ClutterRectangle
* @color: return location for a #ClutterColor
*
* Retrieves the color of @rectangle.
*/
void
clutter_rectangle_get_color (ClutterRectangle *rectangle,
ClutterColor *color)
{
ClutterRectanglePrivate *priv;
g_return_if_fail (CLUTTER_IS_RECTANGLE (rectangle));
g_return_if_fail (color != NULL);
priv = rectangle->priv;
color->red = priv->color.red;
color->green = priv->color.green;
color->blue = priv->color.blue;
color->alpha = priv->color.alpha;
}
/**
* clutter_rectangle_set_color:
* @rectangle: a #ClutterRectangle
* @color: a #ClutterColor
*
* Sets the color of @rectangle.
*/
void
clutter_rectangle_set_color (ClutterRectangle *rectangle,
const ClutterColor *color)
{
ClutterRectanglePrivate *priv;
g_return_if_fail (CLUTTER_IS_RECTANGLE (rectangle));
g_return_if_fail (color != NULL);
priv = rectangle->priv;
priv->color.red = color->red;
priv->color.green = color->green;
priv->color.blue = color->blue;
priv->color.alpha = color->alpha;
clutter_actor_set_opacity (CLUTTER_ACTOR (rectangle),
priv->color.alpha);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR (rectangle)))
clutter_actor_queue_redraw (CLUTTER_ACTOR (rectangle));
g_object_notify (G_OBJECT (rectangle), "color");
}