8c32637eea
It's a bad rectangle type, with caveats and gotchas. We have better types, courtesy of Cairo, as well as our own (ClutterRect). https://bugzilla.gnome.org/show_bug.cgi?id=682789
719 lines
27 KiB
C
719 lines
27 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 <cogl/cogl.h>
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#include <clutter/clutter-macros.h>
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#include <clutter/clutter-enums.h>
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G_BEGIN_DECLS
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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_MATRIX (clutter_matrix_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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#define CLUTTER_TYPE_POINT (clutter_point_get_type ())
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#define CLUTTER_TYPE_SIZE (clutter_size_get_type ())
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#define CLUTTER_TYPE_RECT (clutter_rect_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 _ClutterActorIter ClutterActorIter;
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typedef struct _ClutterPaintNode ClutterPaintNode;
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typedef struct _ClutterContent ClutterContent; /* dummy */
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typedef struct _ClutterScrollActor ClutterScrollActor;
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typedef struct _ClutterInterval ClutterInterval;
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typedef struct _ClutterAnimatable ClutterAnimatable; /* dummy */
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typedef struct _ClutterTimeline ClutterTimeline;
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typedef struct _ClutterTransition ClutterTransition;
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typedef struct _ClutterPropertyTransition ClutterPropertyTransition;
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typedef struct _ClutterKeyframeTransition ClutterKeyframeTransition;
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typedef struct _ClutterTransitionGroup ClutterTransitionGroup;
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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 _ClutterPathNode ClutterPathNode;
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typedef struct _ClutterActorBox ClutterActorBox;
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typedef struct _ClutterColor ClutterColor;
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typedef struct _ClutterGeometry ClutterGeometry; /* XXX:2.0 - remove */
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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 _ClutterPoint ClutterPoint;
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typedef struct _ClutterRect ClutterRect;
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typedef struct _ClutterSize ClutterSize;
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typedef struct _ClutterVertex ClutterVertex;
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typedef struct _ClutterAlpha ClutterAlpha;
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typedef struct _ClutterAnimation ClutterAnimation;
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typedef struct _ClutterAnimator ClutterAnimator;
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typedef struct _ClutterState ClutterState;
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typedef struct _ClutterInputDevice ClutterInputDevice;
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typedef CoglMatrix ClutterMatrix;
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typedef union _ClutterEvent ClutterEvent;
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/**
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* ClutterEventSequence:
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*
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* The <structname>ClutterEventSequence</structname> structure is an opaque
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* type used to denote the event sequence of a touch event.
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*
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* Since: 1.12
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*/
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typedef struct _ClutterEventSequence ClutterEventSequence;
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typedef struct _ClutterFog ClutterFog; /* deprecated */
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typedef struct _ClutterBehaviour ClutterBehaviour; /* deprecated */
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typedef struct _ClutterShader ClutterShader; /* deprecated */
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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 whose 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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* A <structname>ClutterPaintVolume</structname> for a #ClutterActor
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* is defined to be relative from the current actor modelview matrix.
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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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* ClutterPoint:
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* @x: X coordinate, in pixels
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* @y: Y coordinate, in pixels
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*
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* A point in 2D space.
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*
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* Since: 1.12
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*/
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struct _ClutterPoint
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{
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float x;
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float y;
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};
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/**
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* CLUTTER_POINT_INIT:
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* @x: X coordinate
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* @y: Y coordinate
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*
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* A simple macro for initializing a #ClutterPoint when declaring it, e.g.:
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*
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* |[
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* ClutterPoint p = CLUTTER_POINT_INIT (100, 100);
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* ]|
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*
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* Since: 1.12
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*/
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#define CLUTTER_POINT_INIT(x,y) { (x), (y) }
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/**
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* CLUTTER_POINT_INIT_ZERO:
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*
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* A simple macro for initializing a #ClutterPoint to (0, 0) when
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* declaring it.
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*
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* Since: 1.12
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*/
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#define CLUTTER_POINT_INIT_ZERO CLUTTER_POINT_INIT (0.f, 0.f)
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CLUTTER_AVAILABLE_IN_1_12
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GType clutter_point_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_12
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const ClutterPoint * clutter_point_zero (void);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterPoint * clutter_point_alloc (void);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterPoint * clutter_point_init (ClutterPoint *point,
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float x,
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float y);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterPoint * clutter_point_copy (const ClutterPoint *point);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_point_free (ClutterPoint *point);
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CLUTTER_AVAILABLE_IN_1_12
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gboolean clutter_point_equals (const ClutterPoint *a,
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const ClutterPoint *b);
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CLUTTER_AVAILABLE_IN_1_12
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float clutter_point_distance (const ClutterPoint *a,
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const ClutterPoint *b,
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float *x_distance,
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float *y_distance);
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/**
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* ClutterSize:
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* @width: the width, in pixels
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* @height: the height, in pixels
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*
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* A size, in 2D space.
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*
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* Since: 1.12
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*/
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struct _ClutterSize
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{
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float width;
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float height;
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};
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/**
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* CLUTTER_SIZE_INIT:
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* @width: the width
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* @height: the height
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*
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* A simple macro for initializing a #ClutterSize when declaring it, e.g.:
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*
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* |[
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* ClutterSize s = CLUTTER_SIZE_INIT (200, 200);
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* ]|
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*
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* Since: 1.12
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*/
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#define CLUTTER_SIZE_INIT(width,height) { (width), (height) }
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/**
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* CLUTTER_SIZE_INIT_ZERO:
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*
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* A simple macro for initializing a #ClutterSize to (0, 0) when
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* declaring it.
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*
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* Since: 1.12
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*/
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#define CLUTTER_SIZE_INIT_ZERO CLUTTER_SIZE_INIT (0.f, 0.f)
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CLUTTER_AVAILABLE_IN_1_12
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GType clutter_size_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_12
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ClutterSize * clutter_size_alloc (void);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterSize * clutter_size_init (ClutterSize *size,
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float width,
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float height);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterSize * clutter_size_copy (const ClutterSize *size);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_size_free (ClutterSize *size);
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CLUTTER_AVAILABLE_IN_1_12
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gboolean clutter_size_equals (const ClutterSize *a,
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const ClutterSize *b);
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/**
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* ClutterRect:
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* @origin: the origin of the rectangle
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* @size: the size of the rectangle
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*
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* The location and size of a rectangle.
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*
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* The width and height of a #ClutterRect can be negative; Clutter considers
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* a rectangle with an origin of [ 0.0, 0.0 ] and a size of [ 10.0, 10.0 ] to
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* be equivalent to a rectangle with origin of [ 10.0, 10.0 ] and size of
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* [ -10.0, -10.0 ].
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*
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* Application code can normalize rectangles using clutter_rect_normalize():
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* this function will ensure that the width and height of a #ClutterRect are
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* positive values. All functions taking a #ClutterRect as an argument will
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* implicitly normalize it before computing eventual results. For this reason
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* it is safer to access the contents of a #ClutterRect by using the provided
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* API at all times, instead of directly accessing the structure members.
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*
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* Since: 1.12
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*/
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struct _ClutterRect
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{
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ClutterPoint origin;
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ClutterSize size;
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};
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/**
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* CLUTTER_RECT_INIT:
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* @x: the X coordinate
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* @y: the Y coordinate
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* @width: the width
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* @height: the height
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*
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* A simple macro for initializing a #ClutterRect when declaring it, e.g.:
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*
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* |[
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* ClutterRect r = CLUTTER_RECT_INIT (100, 100, 200, 200);
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* ]|
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*
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* Since: 1.12
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*/
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#define CLUTTER_RECT_INIT(x,y,width,height) { { (x), (y) }, { (width), (height) } }
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/**
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* CLUTTER_RECT_INIT_ZERO:
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*
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* A simple macro for initializing a #ClutterRect to (0, 0, 0, 0) when
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* declaring it.
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*
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* Since: 1.12
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*/
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#define CLUTTER_RECT_INIT_ZERO CLUTTER_RECT_INIT (0.f, 0.f, 0.f, 0.f)
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CLUTTER_AVAILABLE_IN_1_12
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GType clutter_rect_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_12
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const ClutterRect * clutter_rect_zero (void);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterRect * clutter_rect_alloc (void);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterRect * clutter_rect_init (ClutterRect *rect,
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float x,
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float y,
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float width,
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float height);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterRect * clutter_rect_copy (const ClutterRect *rect);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_rect_free (ClutterRect *rect);
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CLUTTER_AVAILABLE_IN_1_12
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gboolean clutter_rect_equals (ClutterRect *a,
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ClutterRect *b);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterRect * clutter_rect_normalize (ClutterRect *rect);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_rect_get_center (ClutterRect *rect,
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ClutterPoint *center);
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CLUTTER_AVAILABLE_IN_1_12
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gboolean clutter_rect_contains_point (ClutterRect *rect,
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ClutterPoint *point);
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CLUTTER_AVAILABLE_IN_1_12
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gboolean clutter_rect_contains_rect (ClutterRect *a,
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ClutterRect *b);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_rect_union (ClutterRect *a,
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ClutterRect *b,
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ClutterRect *res);
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CLUTTER_AVAILABLE_IN_1_12
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gboolean clutter_rect_intersection (ClutterRect *a,
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ClutterRect *b,
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ClutterRect *res);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_rect_offset (ClutterRect *rect,
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float d_x,
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float d_y);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_rect_inset (ClutterRect *rect,
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float d_x,
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float d_y);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_rect_clamp_to_pixel (ClutterRect *rect);
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CLUTTER_AVAILABLE_IN_1_12
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float clutter_rect_get_x (ClutterRect *rect);
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CLUTTER_AVAILABLE_IN_1_12
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float clutter_rect_get_y (ClutterRect *rect);
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CLUTTER_AVAILABLE_IN_1_12
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float clutter_rect_get_width (ClutterRect *rect);
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CLUTTER_AVAILABLE_IN_1_12
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float clutter_rect_get_height (ClutterRect *rect);
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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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* A point 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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/**
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* CLUTTER_VERTEX_INIT:
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* @x: the X coordinate of the vertex
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* @y: the Y coordinate of the vertex
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* @z: the Z coordinate of the vertex
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*
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* A simple macro for initializing a #ClutterVertex when declaring it, e.g.:
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*
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* |[
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* ClutterVertex v = CLUTTER_VERTEX_INIT (x, y, z);
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* ]|
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*
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* Since: 1.10
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*/
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#define CLUTTER_VERTEX_INIT(x,y,z) { (x), (y), (z) }
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/**
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* CLUTTER_VERTEX_INIT_ZERO:
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*
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* A simple macro for initializing a #ClutterVertex to (0, 0, 0).
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*
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* Since: 1.12
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*/
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#define CLUTTER_VERTEX_INIT_ZERO CLUTTER_VERTEX_INIT (0.f, 0.f, 0.f)
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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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CLUTTER_AVAILABLE_IN_1_12
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ClutterVertex *clutter_vertex_alloc (void);
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ClutterVertex *clutter_vertex_init (ClutterVertex *vertex,
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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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/**
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* CLUTTER_ACTOR_BOX_INIT:
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* @x_1: the X coordinate of the top left corner
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* @y_1: the Y coordinate of the top left corner
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* @x_2: the X coordinate of the bottom right corner
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* @y_2: the Y coordinate of the bottom right corner
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*
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* A simple macro for initializing a #ClutterActorBox when declaring
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* it, e.g.:
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*
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* |[
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* ClutterActorBox box = CLUTTER_ACTOR_BOX_INIT (0, 0, 400, 600);
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* ]|
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*
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* Since: 1.10
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*/
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#define CLUTTER_ACTOR_BOX_INIT(x_1,y_1,x_2,y_2) { (x_1), (y_1), (x_2), (y_2) }
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/**
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* CLUTTER_ACTOR_BOX_INIT_ZERO:
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*
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* A simple macro for initializing a #ClutterActorBox to 0 when
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* declaring it, e.g.:
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*
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* |[
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* ClutterActorBox box = CLUTTER_ACTOR_BOX_INIT_ZERO;
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* ]|
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*
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* Since: 1.12
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*/
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#define CLUTTER_ACTOR_BOX_INIT_ZERO CLUTTER_ACTOR_BOX_INIT (0.f, 0.f, 0.f, 0.f)
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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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CLUTTER_AVAILABLE_IN_1_12
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ClutterActorBox *clutter_actor_box_alloc (void);
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ClutterActorBox *clutter_actor_box_init (ClutterActorBox *box,
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gfloat x_1,
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gfloat y_1,
|
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gfloat x_2,
|
|
gfloat y_2);
|
|
void clutter_actor_box_init_rect (ClutterActorBox *box,
|
|
gfloat x,
|
|
gfloat y,
|
|
gfloat width,
|
|
gfloat height);
|
|
ClutterActorBox *clutter_actor_box_copy (const ClutterActorBox *box);
|
|
void clutter_actor_box_free (ClutterActorBox *box);
|
|
gboolean clutter_actor_box_equal (const ClutterActorBox *box_a,
|
|
const ClutterActorBox *box_b);
|
|
gfloat clutter_actor_box_get_x (const ClutterActorBox *box);
|
|
gfloat clutter_actor_box_get_y (const ClutterActorBox *box);
|
|
gfloat clutter_actor_box_get_width (const ClutterActorBox *box);
|
|
gfloat clutter_actor_box_get_height (const ClutterActorBox *box);
|
|
void clutter_actor_box_get_origin (const ClutterActorBox *box,
|
|
gfloat *x,
|
|
gfloat *y);
|
|
void clutter_actor_box_get_size (const ClutterActorBox *box,
|
|
gfloat *width,
|
|
gfloat *height);
|
|
gfloat clutter_actor_box_get_area (const ClutterActorBox *box);
|
|
gboolean clutter_actor_box_contains (const ClutterActorBox *box,
|
|
gfloat x,
|
|
gfloat y);
|
|
void clutter_actor_box_from_vertices (ClutterActorBox *box,
|
|
const ClutterVertex verts[]);
|
|
void clutter_actor_box_interpolate (const ClutterActorBox *initial,
|
|
const ClutterActorBox *final,
|
|
gdouble progress,
|
|
ClutterActorBox *result);
|
|
void clutter_actor_box_clamp_to_pixel (ClutterActorBox *box);
|
|
void clutter_actor_box_union (const ClutterActorBox *a,
|
|
const ClutterActorBox *b,
|
|
ClutterActorBox *result);
|
|
|
|
void clutter_actor_box_set_origin (ClutterActorBox *box,
|
|
gfloat x,
|
|
gfloat y);
|
|
void clutter_actor_box_set_size (ClutterActorBox *box,
|
|
gfloat width,
|
|
gfloat height);
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* <warning>You should not use #ClutterGeometry, or operate on its fields
|
|
* directly; you should use #cairo_rectangle_int_t or #ClutterRect if you
|
|
* need a rectangle type, depending on the precision required.</warning>
|
|
*
|
|
* Deprecated: 1.16
|
|
*/
|
|
struct _ClutterGeometry
|
|
{
|
|
/*< public >*/
|
|
gint x;
|
|
gint y;
|
|
guint width;
|
|
guint height;
|
|
};
|
|
|
|
GType clutter_geometry_get_type (void) G_GNUC_CONST;
|
|
|
|
CLUTTER_DEPRECATED_IN_1_16
|
|
void clutter_geometry_union (const ClutterGeometry *geometry_a,
|
|
const ClutterGeometry *geometry_b,
|
|
ClutterGeometry *result);
|
|
CLUTTER_DEPRECATED_IN_1_16
|
|
gboolean clutter_geometry_intersects (const ClutterGeometry *geometry0,
|
|
const ClutterGeometry *geometry1);
|
|
|
|
/**
|
|
* 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);
|
|
|
|
/**
|
|
* ClutterPathNode:
|
|
* @type: the node's type
|
|
* @points: the coordinates of the node
|
|
*
|
|
* Represents a single node of a #ClutterPath.
|
|
*
|
|
* Some of the coordinates in @points may be unused for some node
|
|
* types. %CLUTTER_PATH_MOVE_TO and %CLUTTER_PATH_LINE_TO use only one
|
|
* pair of coordinates, %CLUTTER_PATH_CURVE_TO uses all three and
|
|
* %CLUTTER_PATH_CLOSE uses none.
|
|
*
|
|
* Since: 1.0
|
|
*/
|
|
struct _ClutterPathNode
|
|
{
|
|
ClutterPathNodeType type;
|
|
|
|
ClutterKnot points[3];
|
|
};
|
|
|
|
GType clutter_path_node_get_type (void) G_GNUC_CONST;
|
|
|
|
ClutterPathNode *clutter_path_node_copy (const ClutterPathNode *node);
|
|
void clutter_path_node_free (ClutterPathNode *node);
|
|
gboolean clutter_path_node_equal (const ClutterPathNode *node_a,
|
|
const ClutterPathNode *node_b);
|
|
|
|
/*
|
|
* ClutterPaintVolume
|
|
*/
|
|
|
|
GType clutter_paint_volume_get_type (void) G_GNUC_CONST;
|
|
|
|
ClutterPaintVolume *clutter_paint_volume_copy (const ClutterPaintVolume *pv);
|
|
void clutter_paint_volume_free (ClutterPaintVolume *pv);
|
|
|
|
void clutter_paint_volume_set_origin (ClutterPaintVolume *pv,
|
|
const ClutterVertex *origin);
|
|
void clutter_paint_volume_get_origin (const ClutterPaintVolume *pv,
|
|
ClutterVertex *vertex);
|
|
void clutter_paint_volume_set_width (ClutterPaintVolume *pv,
|
|
gfloat width);
|
|
gfloat clutter_paint_volume_get_width (const ClutterPaintVolume *pv);
|
|
void clutter_paint_volume_set_height (ClutterPaintVolume *pv,
|
|
gfloat height);
|
|
gfloat clutter_paint_volume_get_height (const ClutterPaintVolume *pv);
|
|
void clutter_paint_volume_set_depth (ClutterPaintVolume *pv,
|
|
gfloat depth);
|
|
gfloat clutter_paint_volume_get_depth (const ClutterPaintVolume *pv);
|
|
void clutter_paint_volume_union (ClutterPaintVolume *pv,
|
|
const ClutterPaintVolume *another_pv);
|
|
CLUTTER_AVAILABLE_IN_1_10
|
|
void clutter_paint_volume_union_box (ClutterPaintVolume *pv,
|
|
const ClutterActorBox *box);
|
|
|
|
gboolean clutter_paint_volume_set_from_allocation (ClutterPaintVolume *pv,
|
|
ClutterActor *actor);
|
|
|
|
/**
|
|
* ClutterMargin:
|
|
* @left: the margin from the left
|
|
* @right: the margin from the right
|
|
* @top: the margin from the top
|
|
* @bottom: the margin from the bottom
|
|
*
|
|
* A representation of the components of a margin.
|
|
*
|
|
* Since: 1.10
|
|
*/
|
|
struct _ClutterMargin
|
|
{
|
|
float left;
|
|
float right;
|
|
float top;
|
|
float bottom;
|
|
};
|
|
|
|
GType clutter_margin_get_type (void) G_GNUC_CONST;
|
|
|
|
ClutterMargin * clutter_margin_new (void) G_GNUC_MALLOC;
|
|
ClutterMargin * clutter_margin_copy (const ClutterMargin *margin_);
|
|
void clutter_margin_free (ClutterMargin *margin_);
|
|
|
|
/**
|
|
* ClutterProgressFunc:
|
|
* @a: the initial value of an interval
|
|
* @b: the final value of an interval
|
|
* @progress: the progress factor, between 0 and 1
|
|
* @retval: the value used to store the progress
|
|
*
|
|
* Prototype of the progress function used to compute the value
|
|
* between the two ends @a and @b of an interval depending on
|
|
* the value of @progress.
|
|
*
|
|
* The #GValue in @retval is already initialized with the same
|
|
* type as @a and @b.
|
|
*
|
|
* This function will be called by #ClutterInterval if the
|
|
* type of the values of the interval was registered using
|
|
* clutter_interval_register_progress_func().
|
|
*
|
|
* Return value: %TRUE if the function successfully computed
|
|
* the value and stored it inside @retval
|
|
*
|
|
* Since: 1.0
|
|
*/
|
|
typedef gboolean (* ClutterProgressFunc) (const GValue *a,
|
|
const GValue *b,
|
|
gdouble progress,
|
|
GValue *retval);
|
|
|
|
void clutter_interval_register_progress_func (GType value_type,
|
|
ClutterProgressFunc func);
|
|
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
GType clutter_matrix_get_type (void) G_GNUC_CONST;
|
|
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
ClutterMatrix * clutter_matrix_alloc (void);
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
ClutterMatrix * clutter_matrix_init_identity (ClutterMatrix *matrix);
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
ClutterMatrix * clutter_matrix_init_from_array (ClutterMatrix *matrix,
|
|
const float values[16]);
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
ClutterMatrix * clutter_matrix_init_from_matrix (ClutterMatrix *a,
|
|
const ClutterMatrix *b);
|
|
CLUTTER_AVAILABLE_IN_1_12
|
|
void clutter_matrix_free (ClutterMatrix *matrix);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __CLUTTER_TYPES_H__ */
|