mirror of
https://github.com/brl/mutter.git
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Add ClutterBehaviourRotate
Add initial implementation of a rotate behaviour; this behaviour rotates actors along a chosen axis, with a chosen direction, between two angles. Missing: API documentation and the implementation for the angle boundaries setters (double and fixed API).
This commit is contained in:
Emmanuele Bassi
parent
bfacc08cc0
commit
90ec410aef
@ -38,9 +38,10 @@ source_h = \
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$(srcdir)/clutter-actor.h \
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$(srcdir)/clutter-actor.h \
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$(srcdir)/clutter-alpha.h \
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$(srcdir)/clutter-alpha.h \
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$(srcdir)/clutter-behaviour.h \
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$(srcdir)/clutter-behaviour.h \
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$(srcdir)/clutter-behaviour-bspline.h \
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$(srcdir)/clutter-behaviour-opacity.h \
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$(srcdir)/clutter-behaviour-opacity.h \
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$(srcdir)/clutter-behaviour-path.h \
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$(srcdir)/clutter-behaviour-path.h \
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$(srcdir)/clutter-behaviour-bspline.h \
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$(srcdir)/clutter-behaviour-rotate.h \
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$(srcdir)/clutter-behaviour-scale.h \
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$(srcdir)/clutter-behaviour-scale.h \
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$(srcdir)/clutter-clone-texture.h \
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$(srcdir)/clutter-clone-texture.h \
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$(srcdir)/clutter-color.h \
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$(srcdir)/clutter-color.h \
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@ -122,9 +123,10 @@ source_c = \
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clutter-alpha.c \
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clutter-alpha.c \
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clutter-backend.c \
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clutter-backend.c \
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clutter-behaviour.c \
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clutter-behaviour.c \
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clutter-behaviour-bspline.c \
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clutter-behaviour-opacity.c \
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clutter-behaviour-opacity.c \
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clutter-behaviour-path.c \
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clutter-behaviour-path.c \
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clutter-behaviour-bspline.c \
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clutter-behaviour-rotate.c \
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clutter-behaviour-scale.c \
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clutter-behaviour-scale.c \
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clutter-color.c \
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clutter-color.c \
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clutter-clone-texture.c \
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clutter-clone-texture.c \
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403
clutter/clutter-behaviour-rotate.c
Normal file
403
clutter/clutter-behaviour-rotate.c
Normal file
@ -0,0 +1,403 @@
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/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2007 OpenedHand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:clutter-behaviour-rotate
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* @short_description: A behaviour class to rotate actors
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*
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* A #ClutterBehaviourRotate rotate actors between a starting and ending
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* angle on the Z axis.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "clutter-actor.h"
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#include "clutter-behaviour.h"
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#include "clutter-main.h"
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#include "clutter-fixed.h"
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#include "clutter-behaviour-rotate.h"
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#include "clutter-enum-types.h"
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#include "clutter-private.h"
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#include "clutter-debug.h"
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#include <math.h>
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G_DEFINE_TYPE (ClutterBehaviourRotate,
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clutter_behaviour_rotate,
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CLUTTER_TYPE_BEHAVIOUR);
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struct _ClutterBehaviourRotatePrivate
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{
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ClutterFixed angle_begin;
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ClutterFixed angle_end;
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ClutterRotateAxis axis;
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ClutterRotateDirection direction;
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};
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#define CLUTTER_BEHAVIOUR_ROTATE_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
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CLUTTER_TYPE_BEHAVIOUR_ROTATE, \
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ClutterBehaviourRotatePrivate))
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enum
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{
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PROP_0,
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PROP_ANGLE_BEGIN,
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PROP_ANGLE_END,
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PROP_AXIS,
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PROP_DIRECTION
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};
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static void
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rotate_actors (ClutterBehaviour *behaviour,
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ClutterActor *actor,
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gpointer data)
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{
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ClutterBehaviourRotate *rotate_behaviour;
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ClutterBehaviourRotatePrivate *priv;
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rotate_behaviour = CLUTTER_BEHAVIOUR_ROTATE (behaviour);
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priv = rotate_behaviour->priv;
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}
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static void
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clutter_behaviour_rotate_alpha_notify (ClutterBehaviour *behaviour,
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guint32 alpha_value)
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{
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ClutterFixed factor, angle;
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ClutterBehaviourRotate *rotate_behaviour;
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ClutterBehaviourRotatePrivate *priv;
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GSList *actors, *l;
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rotate_behaviour = CLUTTER_BEHAVIOUR_ROTATE (behaviour);
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priv = rotate_behaviour->priv;
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factor = CLUTTER_INT_TO_FIXED (alpha_value) / CLUTTER_ALPHA_MAX_ALPHA;
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angle = 0;
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switch (priv->direction)
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{
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case CLUTTER_ROTATE_CW:
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angle = CLUTTER_FIXED_MUL (factor, (priv->angle_end - priv->angle_begin));
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angle += priv->angle_begin;
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break;
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case CLUTTER_ROTATE_CCW:
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angle = CLUTTER_FIXED_MUL (factor, (priv->angle_begin - priv->angle_end));
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angle += priv->angle_end;
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break;
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}
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actors = clutter_behaviour_get_actors (behaviour);
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for (l = actors; l; l = l->next)
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{
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ClutterActor *actor = l->data;
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switch (priv->axis)
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{
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case CLUTTER_X_AXIS:
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clutter_actor_rotate_x (actor,
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CLUTTER_FIXED_TO_FLOAT (angle),
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0, 0);
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break;
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case CLUTTER_Y_AXIS:
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clutter_actor_rotate_y (actor,
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CLUTTER_FIXED_TO_FLOAT (angle),
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0, 0);
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break;
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case CLUTTER_Z_AXIS:
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clutter_actor_rotate_z (actor,
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CLUTTER_FIXED_TO_FLOAT (angle),
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0, 0);
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break;
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}
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}
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g_slist_free (actors);
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}
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static void
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clutter_behaviour_rotate_set_property (GObject *gobject,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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ClutterBehaviourRotatePrivate *priv;
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priv = CLUTTER_BEHAVIOUR_ROTATE (gobject)->priv;
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switch (prop_id)
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{
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
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break;
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}
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}
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static void
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clutter_behaviour_rotate_get_property (GObject *gobject,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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ClutterBehaviourRotatePrivate *priv;
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priv = CLUTTER_BEHAVIOUR_ROTATE (gobject)->priv;
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switch (prop_id)
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{
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
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break;
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}
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}
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static void
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clutter_behaviour_rotate_class_init (ClutterBehaviourRotateClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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ClutterBehaviourClass *behaviour_class = CLUTTER_BEHAVIOUR_CLASS (klass);
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gobject_class->set_property = clutter_behaviour_rotate_set_property;
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gobject_class->get_property = clutter_behaviour_rotate_get_property;
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behaviour_class->alpha_notify = clutter_behaviour_rotate_alpha_notify;
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g_object_class_install_property (gobject_class,
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PROP_ANGLE_BEGIN,
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g_param_spec_double ("angle-begin",
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"Angle Begin",
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"Initial angle",
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0.0, 359.0, 0.0,
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CLUTTER_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_ANGLE_END,
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g_param_spec_double ("angle-end",
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"Angle End",
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"Final angle",
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0.0, 359.0, 359.0,
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CLUTTER_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_AXIS,
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g_param_spec_enum ("axis",
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"Axis",
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"Axis of rotation",
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CLUTTER_TYPE_ROTATE_AXIS,
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CLUTTER_Z_AXIS,
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CLUTTER_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_DIRECTION,
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g_param_spec_enum ("direction",
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"Direction",
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"Direction of rotation",
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CLUTTER_TYPE_ROTATE_DIRECTION,
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CLUTTER_ROTATE_CW,
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CLUTTER_PARAM_READWRITE));
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}
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static void
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clutter_behaviour_rotate_init (ClutterBehaviourRotate *rotate)
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{
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ClutterBehaviourRotatePrivate *priv;
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rotate->priv = priv = CLUTTER_BEHAVIOUR_ROTATE_GET_PRIVATE (rotate);
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priv->angle_begin = CLUTTER_FLOAT_TO_FIXED (0.0);
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priv->angle_end = CLUTTER_FLOAT_TO_FIXED (359.0);
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priv->axis = CLUTTER_Z_AXIS;
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priv->direction = CLUTTER_ROTATE_CW;
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}
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ClutterBehaviour *
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clutter_behaviour_rotate_new (ClutterAlpha *alpha,
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ClutterRotateAxis axis,
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ClutterRotateDirection direction,
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gdouble angle_begin,
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gdouble angle_end)
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{
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return clutter_behaviour_rotate_newx (alpha, axis, direction,
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CLUTTER_FLOAT_TO_FIXED (angle_begin),
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CLUTTER_FLOAT_TO_FIXED (angle_end));
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}
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ClutterBehaviour *
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clutter_behaviour_rotate_newx (ClutterAlpha *alpha,
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ClutterRotateAxis axis,
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ClutterRotateDirection direction,
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ClutterFixed angle_begin,
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ClutterFixed angle_end)
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{
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ClutterBehaviour *retval;
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ClutterBehaviourRotatePrivate *priv;
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retval = g_object_new (CLUTTER_TYPE_BEHAVIOUR_ROTATE,
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"alpha", alpha,
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"axis", axis,
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"direction", direction,
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NULL);
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priv = CLUTTER_BEHAVIOUR_ROTATE_GET_PRIVATE (retval);
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priv->angle_begin = angle_begin;
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priv->angle_end = angle_end;
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return retval;
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}
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ClutterRotateAxis
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clutter_behaviour_rotate_get_axis (ClutterBehaviourRotate *rotate)
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{
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g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate), CLUTTER_Z_AXIS);
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return rotate->priv->axis;
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}
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void
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clutter_behaviour_rotate_set_axis (ClutterBehaviourRotate *rotate,
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ClutterRotateAxis axis)
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{
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ClutterBehaviourRotatePrivate *priv;
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g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
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priv = rotate->priv;
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if (priv->axis != axis)
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{
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g_object_ref (rotate);
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priv->axis = axis;
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g_object_notify (G_OBJECT (rotate), "axis");
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g_object_unref (rotate);
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}
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}
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ClutterRotateDirection
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clutter_behaviour_rotate_get_direction (ClutterBehaviourRotate *rotate)
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{
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g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate),
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CLUTTER_ROTATE_CW);
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return rotate->priv->direction;
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}
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void
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clutter_behaviour_rotate_set_direction (ClutterBehaviourRotate *rotate,
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ClutterRotateDirection direction)
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{
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ClutterBehaviourRotatePrivate *priv;
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g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
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priv = rotate->priv;
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if (priv->direction != direction)
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{
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g_object_ref (rotate);
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priv->direction = direction;
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g_object_notify (G_OBJECT (rotate), "direction");
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g_object_unref (rotate);
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}
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}
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void
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clutter_behaviour_rotate_get_bounds (ClutterBehaviourRotate *rotate,
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gdouble *angle_begin,
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gdouble *angle_end)
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{
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ClutterBehaviourRotatePrivate *priv;
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g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
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priv = rotate->priv;
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if (angle_begin)
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*angle_begin = CLUTTER_FIXED_TO_DOUBLE (priv->angle_begin);
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if (angle_end)
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*angle_end = CLUTTER_FIXED_TO_DOUBLE (priv->angle_end);
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}
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void
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clutter_behaviour_rotate_set_bounds (ClutterBehaviourRotate *rotate,
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gdouble angle_begin,
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gdouble angle_end)
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{
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#if 0
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ClutterBehaviourRotatePrivate *priv;
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g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
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priv = rotate->priv;
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g_object_ref (rotate);
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g_object_freeze_notify (G_OBJECT (rotate));
|
||||||
|
|
||||||
|
g_object_thaw_notify (G_OBJECT (rotate));
|
||||||
|
g_object_unref (rotate);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
clutter_behaviour_rotate_get_boundsx (ClutterBehaviourRotate *rotate,
|
||||||
|
ClutterFixed *angle_begin,
|
||||||
|
ClutterFixed *angle_end)
|
||||||
|
{
|
||||||
|
ClutterBehaviourRotatePrivate *priv;
|
||||||
|
|
||||||
|
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
|
||||||
|
|
||||||
|
priv = rotate->priv;
|
||||||
|
|
||||||
|
if (angle_begin);
|
||||||
|
*angle_begin = priv->angle_begin;
|
||||||
|
|
||||||
|
if (angle_end)
|
||||||
|
*angle_end = priv->angle_end;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
clutter_behaviour_rotate_set_boundsx (ClutterBehaviourRotate *rotate,
|
||||||
|
ClutterFixed angle_begin,
|
||||||
|
ClutterFixed angle_end)
|
||||||
|
{
|
||||||
|
#if 0
|
||||||
|
ClutterBehaviourRotatePrivate *priv;
|
||||||
|
|
||||||
|
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
|
||||||
|
|
||||||
|
priv = rotate->priv;
|
||||||
|
|
||||||
|
g_object_ref (rotate);
|
||||||
|
g_object_freeze_notify (G_OBJECT (rotate));
|
||||||
|
|
||||||
|
g_object_thaw_notify (G_OBJECT (rotate));
|
||||||
|
g_object_unref (rotate);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
103
clutter/clutter-behaviour-rotate.h
Normal file
103
clutter/clutter-behaviour-rotate.h
Normal file
@ -0,0 +1,103 @@
|
|||||||
|
/*
|
||||||
|
* Clutter.
|
||||||
|
*
|
||||||
|
* An OpenGL based 'interactive canvas' library.
|
||||||
|
*
|
||||||
|
* Authored By Matthew Allum <mallum@openedhand.com>
|
||||||
|
*
|
||||||
|
* Copyright (C) 2007 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __CLUTTER_BEHAVIOUR_ROTATE_H__
|
||||||
|
#define __CLUTTER_BEHAVIOUR_ROTATE_H__
|
||||||
|
|
||||||
|
#include <clutter/clutter-behaviour.h>
|
||||||
|
#include <clutter/clutter-alpha.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define CLUTTER_TYPE_BEHAVIOUR_ROTATE (clutter_behaviour_rotate_get_type ())
|
||||||
|
#define CLUTTER_BEHAVIOUR_ROTATE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_BEHAVIOUR_ROTATE, ClutterBehaviourRotate))
|
||||||
|
#define CLUTTER_IS_BEHAVIOUR_ROTATE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_BEHAVIOUR_ROTATE))
|
||||||
|
#define CLUTTER_BEHAVIOUR_ROTATE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_BEHAVIOUR_ROTATE, ClutterBehaviourRotateClass))
|
||||||
|
#define CLUTTER_IS_BEHAVIOUR_ROTATE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_BEHAVIOUR_ROTATE))
|
||||||
|
#define CLUTTER_BEHAVIOUR_ROTATE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((klass), CLUTTER_TYPE_BEHAVIOUR_ROTATE, ClutterBehaviourRotateClass))
|
||||||
|
|
||||||
|
typedef enum { /*< prefix=CLUTTER >*/
|
||||||
|
CLUTTER_X_AXIS,
|
||||||
|
CLUTTER_Y_AXIS,
|
||||||
|
CLUTTER_Z_AXIS
|
||||||
|
} ClutterRotateAxis;
|
||||||
|
|
||||||
|
typedef enum { /*< prefix=CLUTTER_ROTATE >*/
|
||||||
|
CLUTTER_ROTATE_CW,
|
||||||
|
CLUTTER_ROTATE_CCW
|
||||||
|
} ClutterRotateDirection;
|
||||||
|
|
||||||
|
typedef struct _ClutterBehaviourRotate ClutterBehaviourRotate;
|
||||||
|
typedef struct _ClutterBehaviourRotatePrivate ClutterBehaviourRotatePrivate;
|
||||||
|
typedef struct _ClutterBehaviourRotateClass ClutterBehaviourRotateClass;
|
||||||
|
|
||||||
|
struct _ClutterBehaviourRotate
|
||||||
|
{
|
||||||
|
ClutterBehaviour parent_instance;
|
||||||
|
|
||||||
|
/*< private >*/
|
||||||
|
ClutterBehaviourRotatePrivate *priv;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _ClutterBehaviourRotateClass
|
||||||
|
{
|
||||||
|
ClutterBehaviourClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType clutter_behaviour_rotate_get_type (void) G_GNUC_CONST;
|
||||||
|
|
||||||
|
ClutterBehaviour *clutter_behaviour_rotate_new (ClutterAlpha *alpha,
|
||||||
|
ClutterRotateAxis axis,
|
||||||
|
ClutterRotateDirection direction,
|
||||||
|
gdouble angle_begin,
|
||||||
|
gdouble angle_end);
|
||||||
|
ClutterBehaviour *clutter_behaviour_rotate_newx (ClutterAlpha *alpha,
|
||||||
|
ClutterRotateAxis axis,
|
||||||
|
ClutterRotateDirection direction,
|
||||||
|
ClutterFixed angle_begin,
|
||||||
|
ClutterFixed angle_end);
|
||||||
|
|
||||||
|
ClutterRotateAxis clutter_behaviour_rotate_get_axis (ClutterBehaviourRotate *rotate);
|
||||||
|
void clutter_behaviour_rotate_set_axis (ClutterBehaviourRotate *rotate,
|
||||||
|
ClutterRotateAxis axis);
|
||||||
|
ClutterRotateDirection clutter_behaviour_rotate_get_direction (ClutterBehaviourRotate *rotate);
|
||||||
|
void clutter_behaviour_rotate_set_direction (ClutterBehaviourRotate *rotate,
|
||||||
|
ClutterRotateDirection direction);
|
||||||
|
void clutter_behaviour_rotate_get_bounds (ClutterBehaviourRotate *rotate,
|
||||||
|
gdouble *angle_begin,
|
||||||
|
gdouble *angle_end);
|
||||||
|
void clutter_behaviour_rotate_set_bounds (ClutterBehaviourRotate *rotate,
|
||||||
|
gdouble angle_begin,
|
||||||
|
gdouble angle_end);
|
||||||
|
void clutter_behaviour_rotate_get_boundsx (ClutterBehaviourRotate *rotate,
|
||||||
|
ClutterFixed *angle_begin,
|
||||||
|
ClutterFixed *angle_end);
|
||||||
|
void clutter_behaviour_rotate_set_boundsx (ClutterBehaviourRotate *rotate,
|
||||||
|
ClutterFixed angle_begin,
|
||||||
|
ClutterFixed angle_end);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __CLUTTER_BEHAVIOUR_ROTATE_H__ */
|
||||||
@ -33,9 +33,10 @@
|
|||||||
#include "clutter-event.h"
|
#include "clutter-event.h"
|
||||||
#include "clutter-timeline.h"
|
#include "clutter-timeline.h"
|
||||||
#include "clutter-behaviour.h"
|
#include "clutter-behaviour.h"
|
||||||
|
#include "clutter-behaviour-bspline.h"
|
||||||
#include "clutter-behaviour-opacity.h"
|
#include "clutter-behaviour-opacity.h"
|
||||||
#include "clutter-behaviour-path.h"
|
#include "clutter-behaviour-path.h"
|
||||||
#include "clutter-behaviour-bspline.h"
|
#include "clutter-behaviour-rotate.h"
|
||||||
#include "clutter-behaviour-scale.h"
|
#include "clutter-behaviour-scale.h"
|
||||||
#include "clutter-stage.h"
|
#include "clutter-stage.h"
|
||||||
#include "clutter-actor.h"
|
#include "clutter-actor.h"
|
||||||
|
|||||||
@ -257,11 +257,3 @@ Macro evaluating to the height of the #ClutterStage
|
|||||||
@Returns:
|
@Returns:
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### FUNCTION clutter_stage_flush ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@stage:
|
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user