mutter/clutter/clutter-types.h

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/*
* 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.
*/
#ifndef __CLUTTER_TYPES_H__
#define __CLUTTER_TYPES_H__
#include <glib-object.h>
#include <clutter/clutter-units.h>
G_BEGIN_DECLS
#define CLUTTER_ANGLE_MAX_DEG 1509949439.6
#define CLUTTER_TYPE_GEOMETRY (clutter_geometry_get_type ())
#define CLUTTER_TYPE_KNOT (clutter_knot_get_type ())
#define CLUTTER_TYPE_VERTEX (clutter_vertex_get_type ())
/* Forward delarations to avoid header catch 22's */
typedef struct _ClutterActor ClutterActor;
/**
* ClutterGravity:
* @CLUTTER_GRAVITY_NONE: Do not apply any gravity
* @CLUTTER_GRAVITY_NORTH: Scale from topmost downwards
* @CLUTTER_GRAVITY_NORTH_EAST: Scale from the top left corner
* @CLUTTER_GRAVITY_EAST: Scale from the left side
* @CLUTTER_GRAVITY_SOUTH_EAST: Scale from the bottom left corner
* @CLUTTER_GRAVITY_SOUTH: Scale from the bottom upwards
* @CLUTTER_GRAVITY_SOUTH_WEST: Scale from the bottom right corner
* @CLUTTER_GRAVITY_WEST: Scale from the right side
* @CLUTTER_GRAVITY_NORTH_WEST: Scale from the top right corner
* @CLUTTER_GRAVITY_CENTER: Scale from the center.
*
* Gravity of the scaling operations. When a gravity different than
* %CLUTTER_GRAVITY_NONE is used, an actor is scaled keeping the position
* of the specified portion at the same coordinates.
*
* Since: 0.2
*/
typedef enum { /*< prefix=CLUTTER_GRAVITY >*/
CLUTTER_GRAVITY_NONE = 0,
CLUTTER_GRAVITY_NORTH,
CLUTTER_GRAVITY_NORTH_EAST,
CLUTTER_GRAVITY_EAST,
CLUTTER_GRAVITY_SOUTH_EAST,
CLUTTER_GRAVITY_SOUTH,
CLUTTER_GRAVITY_SOUTH_WEST,
CLUTTER_GRAVITY_WEST,
CLUTTER_GRAVITY_NORTH_WEST,
CLUTTER_GRAVITY_CENTER
} ClutterGravity;
typedef struct _ClutterGeometry ClutterGeometry;
typedef struct _ClutterKnot ClutterKnot;
typedef struct _ClutterVertex ClutterVertex;
/**
* ClutterGeometry:
* @x: X coordinate of the top left corner of an actor
* @y: Y coordinate of the top left corner of an actor
* @width: width of an actor
* @height: height of an actor
*
* The rectangle containing an actor's bounding box, measured in pixels.
*/
struct _ClutterGeometry
{
/*< public >*/
gint x;
gint y;
guint width;
guint height;
};
GType clutter_geometry_get_type (void) G_GNUC_CONST;
/**
* ClutterVertex:
* @x: X coordinate of the vertex
* @y: Y coordinate of the vertex
* @z: Z coordinate of the vertex
*
* Vertex of an actor in 3D space, expressed in device independent units.
*
* Since: 0.4
*/
struct _ClutterVertex
{
ClutterUnit x;
ClutterUnit y;
ClutterUnit z;
};
GType clutter_vertex_get_type (void) G_GNUC_CONST;
/**
* ClutterKnot:
* @x: X coordinate of the knot
* @y: Y coordinate of the knot
*
* Point in a path behaviour.
*
* Since: 0.2
*/
struct _ClutterKnot
{
gint x;
gint y;
};
GType clutter_knot_get_type (void) G_GNUC_CONST;
ClutterKnot *clutter_knot_copy (const ClutterKnot *knot);
void clutter_knot_free (ClutterKnot *knot);
gboolean clutter_knot_equal (const ClutterKnot *knot_a,
const ClutterKnot *knot_b);
/**
* ClutterRotateAxis:
* @CLUTTER_X_AXIS: Rotate around the X axis
* @CLUTTER_Y_AXIS: Rotate around the Y axis
* @CLUTTER_Z_AXIS: Rotate around the Z axis
*
* Axis of a rotation.
*
* Since: 0.4
*/
typedef enum { /*< prefix=CLUTTER >*/
CLUTTER_X_AXIS,
CLUTTER_Y_AXIS,
CLUTTER_Z_AXIS
} ClutterRotateAxis;
/**
* ClutterRotateDirection:
* @CLUTTER_ROTATE_CW: Clockwise rotation
* @CLUTTER_ROTATE_CCW: Counter-clockwise rotation
*
* Direction of a rotation.
*
* Since: 0.4
*/
typedef enum { /*< prefix=CLUTTER_ROTATE >*/
CLUTTER_ROTATE_CW,
CLUTTER_ROTATE_CCW
} ClutterRotateDirection;
G_END_DECLS
#endif /* __CLUTTER_TYPES_H__ */