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https://github.com/brl/mutter.git
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37d46649ce
Don't adjust just the allocation: we need to adjust the preferred size of the actor to account for the margin.
298 lines
12 KiB
C
298 lines
12 KiB
C
/*
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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) 2006 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, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_TYPES_H__
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#define __CLUTTER_TYPES_H__
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#include <cairo.h>
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#include <clutter/clutter-enums.h>
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G_BEGIN_DECLS
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/* these macros are used to mark deprecated functions, and thus have to be
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* exposed in a public header.
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*
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* do *not* use them in other libraries depending on Clutter: use G_DEPRECATED
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* and G_DEPRECATED_FOR, or use your own wrappers around them.
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*/
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#ifdef CLUTTER_DISABLE_DEPRECATION_WARNINGS
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#define CLUTTER_DEPRECATED
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#define CLUTTER_DEPRECATED_FOR(f)
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#else
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#define CLUTTER_DEPRECATED G_DEPRECATED
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#define CLUTTER_DEPRECATED_FOR(f) G_DEPRECATED_FOR(f)
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#endif
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#define CLUTTER_TYPE_ACTOR_BOX (clutter_actor_box_get_type ())
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#define CLUTTER_TYPE_FOG (clutter_fog_get_type ())
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#define CLUTTER_TYPE_GEOMETRY (clutter_geometry_get_type ())
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#define CLUTTER_TYPE_KNOT (clutter_knot_get_type ())
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#define CLUTTER_TYPE_MARGIN (clutter_margin_get_type ())
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#define CLUTTER_TYPE_PAINT_VOLUME (clutter_paint_volume_get_type ())
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#define CLUTTER_TYPE_PERSPECTIVE (clutter_perspective_get_type ())
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#define CLUTTER_TYPE_VERTEX (clutter_vertex_get_type ())
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typedef struct _ClutterActor ClutterActor;
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typedef struct _ClutterStage ClutterStage;
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typedef struct _ClutterContainer ClutterContainer; /* dummy */
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typedef struct _ClutterChildMeta ClutterChildMeta;
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typedef struct _ClutterLayoutMeta ClutterLayoutMeta;
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typedef struct _ClutterActorMeta ClutterActorMeta;
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typedef struct _ClutterLayoutManager ClutterLayoutManager;
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typedef struct _ClutterAlpha ClutterAlpha;
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typedef struct _ClutterAnimatable ClutterAnimatable; /* dummy */
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typedef struct _ClutterAnimator ClutterAnimator;
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typedef struct _ClutterState ClutterState;
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typedef struct _ClutterTimeline ClutterTimeline;
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typedef struct _ClutterAction ClutterAction;
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typedef struct _ClutterConstraint ClutterConstraint;
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typedef struct _ClutterEffect ClutterEffect;
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typedef struct _ClutterPath ClutterPath;
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typedef struct _ClutterActorBox ClutterActorBox;
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typedef struct _ClutterColor ClutterColor;
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typedef struct _ClutterFog ClutterFog;
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typedef struct _ClutterGeometry ClutterGeometry;
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typedef struct _ClutterKnot ClutterKnot;
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typedef struct _ClutterMargin ClutterMargin;
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typedef struct _ClutterPerspective ClutterPerspective;
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typedef struct _ClutterVertex ClutterVertex;
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typedef struct _ClutterBehaviour ClutterBehaviour;
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typedef struct _ClutterShader ClutterShader;
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typedef union _ClutterEvent ClutterEvent;
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/**
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* ClutterPaintVolume:
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*
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* <structname>ClutterPaintVolume</structname> is an opaque structure
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* whose members cannot be directly accessed.
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*
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* A <structname>ClutterPaintVolume</structname> represents an
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* a bounding volume whos internal representation isn't defined but
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* can be set and queried in terms of an axis aligned bounding box.
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*
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* Other internal representation and methods for describing the
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* bounding volume may be added in the future.
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*
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* Since: 1.4
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*/
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typedef struct _ClutterPaintVolume ClutterPaintVolume;
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/**
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* ClutterVertex:
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* @x: X coordinate of the vertex
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* @y: Y coordinate of the vertex
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* @z: Z coordinate of the vertex
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*
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* Vertex of an actor in 3D space, expressed in pixels
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*
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* Since: 0.4
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*/
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struct _ClutterVertex
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{
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gfloat x;
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gfloat y;
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gfloat z;
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};
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GType clutter_vertex_get_type (void) G_GNUC_CONST;
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ClutterVertex *clutter_vertex_new (gfloat x,
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gfloat y,
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gfloat z);
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ClutterVertex *clutter_vertex_copy (const ClutterVertex *vertex);
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void clutter_vertex_free (ClutterVertex *vertex);
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gboolean clutter_vertex_equal (const ClutterVertex *vertex_a,
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const ClutterVertex *vertex_b);
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/**
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* ClutterActorBox:
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* @x1: X coordinate of the top left corner
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* @y1: Y coordinate of the top left corner
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* @x2: X coordinate of the bottom right corner
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* @y2: Y coordinate of the bottom right corner
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*
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* Bounding box of an actor. The coordinates of the top left and right bottom
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* corners of an actor. The coordinates of the two points are expressed in
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* pixels with sub-pixel precision
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*/
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struct _ClutterActorBox
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{
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gfloat x1;
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gfloat y1;
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gfloat x2;
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gfloat y2;
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};
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GType clutter_actor_box_get_type (void) G_GNUC_CONST;
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ClutterActorBox *clutter_actor_box_new (gfloat x_1,
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gfloat y_1,
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gfloat x_2,
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gfloat y_2);
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ClutterActorBox *clutter_actor_box_copy (const ClutterActorBox *box);
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void clutter_actor_box_free (ClutterActorBox *box);
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gboolean clutter_actor_box_equal (const ClutterActorBox *box_a,
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const ClutterActorBox *box_b);
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gfloat clutter_actor_box_get_x (const ClutterActorBox *box);
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gfloat clutter_actor_box_get_y (const ClutterActorBox *box);
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gfloat clutter_actor_box_get_width (const ClutterActorBox *box);
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gfloat clutter_actor_box_get_height (const ClutterActorBox *box);
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void clutter_actor_box_get_origin (const ClutterActorBox *box,
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gfloat *x,
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gfloat *y);
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void clutter_actor_box_get_size (const ClutterActorBox *box,
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gfloat *width,
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gfloat *height);
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gfloat clutter_actor_box_get_area (const ClutterActorBox *box);
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gboolean clutter_actor_box_contains (const ClutterActorBox *box,
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gfloat x,
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gfloat y);
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void clutter_actor_box_from_vertices (ClutterActorBox *box,
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const ClutterVertex verts[]);
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void clutter_actor_box_interpolate (const ClutterActorBox *initial,
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const ClutterActorBox *final,
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gdouble progress,
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ClutterActorBox *result);
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void clutter_actor_box_clamp_to_pixel (ClutterActorBox *box);
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void clutter_actor_box_union (const ClutterActorBox *a,
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const ClutterActorBox *b,
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ClutterActorBox *result);
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void clutter_actor_box_set_origin (ClutterActorBox *box,
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gfloat x,
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gfloat y);
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void clutter_actor_box_set_size (ClutterActorBox *box,
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gfloat width,
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gfloat height);
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/**
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* ClutterGeometry:
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* @x: X coordinate of the top left corner of an actor
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* @y: Y coordinate of the top left corner of an actor
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* @width: width of an actor
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* @height: height of an actor
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*
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* The rectangle containing an actor's bounding box, measured in pixels.
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*/
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struct _ClutterGeometry
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{
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/*< public >*/
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gint x;
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gint y;
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guint width;
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guint height;
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};
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GType clutter_geometry_get_type (void) G_GNUC_CONST;
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void clutter_geometry_union (const ClutterGeometry *geometry_a,
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const ClutterGeometry *geometry_b,
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ClutterGeometry *result);
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gboolean clutter_geometry_intersects (const ClutterGeometry *geometry0,
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const ClutterGeometry *geometry1);
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/**
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* ClutterKnot:
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* @x: X coordinate of the knot
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* @y: Y coordinate of the knot
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*
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* Point in a path behaviour.
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*
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* Since: 0.2
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*/
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struct _ClutterKnot
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{
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gint x;
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gint y;
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};
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GType clutter_knot_get_type (void) G_GNUC_CONST;
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ClutterKnot *clutter_knot_copy (const ClutterKnot *knot);
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void clutter_knot_free (ClutterKnot *knot);
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gboolean clutter_knot_equal (const ClutterKnot *knot_a,
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const ClutterKnot *knot_b);
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GType clutter_paint_volume_get_type (void) G_GNUC_CONST;
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ClutterPaintVolume *clutter_paint_volume_copy (const ClutterPaintVolume *pv);
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void clutter_paint_volume_free (ClutterPaintVolume *pv);
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void clutter_paint_volume_set_origin (ClutterPaintVolume *pv,
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const ClutterVertex *origin);
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void clutter_paint_volume_get_origin (const ClutterPaintVolume *pv,
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ClutterVertex *vertex);
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void clutter_paint_volume_set_width (ClutterPaintVolume *pv,
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gfloat width);
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gfloat clutter_paint_volume_get_width (const ClutterPaintVolume *pv);
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void clutter_paint_volume_set_height (ClutterPaintVolume *pv,
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gfloat height);
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gfloat clutter_paint_volume_get_height (const ClutterPaintVolume *pv);
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void clutter_paint_volume_set_depth (ClutterPaintVolume *pv,
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gfloat depth);
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gfloat clutter_paint_volume_get_depth (const ClutterPaintVolume *pv);
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void clutter_paint_volume_union (ClutterPaintVolume *pv,
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const ClutterPaintVolume *another_pv);
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gboolean clutter_paint_volume_set_from_allocation (ClutterPaintVolume *pv,
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ClutterActor *actor);
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/**
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* ClutterMargin:
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* @left: the margin from the left
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* @right: the margin from the right
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* @top: the margin from the top
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* @bottom: the margin from the bottom
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*
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* A representation of the components of a margin.
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*
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* Since: 1.10
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*/
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struct _ClutterMargin
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{
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float left;
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float right;
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float top;
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float bottom;
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};
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GType clutter_margin_get_type (void) G_GNUC_CONST;
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ClutterMargin * clutter_margin_new (void) G_GNUC_MALLOC;
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ClutterMargin * clutter_margin_copy (const ClutterMargin *margin_);
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void clutter_margin_free (ClutterMargin *margin_);
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G_END_DECLS
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#endif /* __CLUTTER_TYPES_H__ */
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