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mutter/clutter/clutter-types.h
Emmanuele Bassi 3f6ec0ba5a actor-box: Add setters for origin and size
2010-10-25 15:45:35 +01:00

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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, see <http://www.gnu.org/licenses/>.
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_TYPES_H__
#define __CLUTTER_TYPES_H__
#include <glib-object.h>
#include <clutter/clutter-units.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_ACTOR_BOX (clutter_actor_box_get_type ())
#define CLUTTER_TYPE_GEOMETRY (clutter_geometry_get_type ())
#define CLUTTER_TYPE_KNOT (clutter_knot_get_type ())
#define CLUTTER_TYPE_PAINT_VOLUME (clutter_paint_volume_get_type ())
#define CLUTTER_TYPE_VERTEX (clutter_vertex_get_type ())
/* Forward delarations to avoid header catch 22's */
typedef struct _ClutterActor ClutterActor;
typedef struct _ClutterStage ClutterStage;
typedef struct _ClutterContainer ClutterContainer; /* dummy */
typedef struct _ClutterChildMeta ClutterChildMeta;
typedef struct _ClutterLayoutMeta ClutterLayoutMeta;
typedef struct _ClutterActorMeta ClutterActorMeta;
typedef struct _ClutterAnimator ClutterAnimator;
typedef struct _ClutterAction ClutterAction;
typedef struct _ClutterConstraint ClutterConstraint;
typedef union _ClutterEvent ClutterEvent;
/**
* ClutterGravity:
* @CLUTTER_GRAVITY_NONE: Do not apply any gravity
* @CLUTTER_GRAVITY_NORTH: Scale from topmost downwards
* @CLUTTER_GRAVITY_NORTH_EAST: Scale from the top right corner
* @CLUTTER_GRAVITY_EAST: Scale from the right side
* @CLUTTER_GRAVITY_SOUTH_EAST: Scale from the bottom right corner
* @CLUTTER_GRAVITY_SOUTH: Scale from the bottom upwards
* @CLUTTER_GRAVITY_SOUTH_WEST: Scale from the bottom left corner
* @CLUTTER_GRAVITY_WEST: Scale from the left side
* @CLUTTER_GRAVITY_NORTH_WEST: Scale from the top left 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 _ClutterActorBox ClutterActorBox;
typedef struct _ClutterGeometry ClutterGeometry;
typedef struct _ClutterKnot ClutterKnot;
typedef struct _ClutterVertex ClutterVertex;
/**
* ClutterPaintVolume:
*
* <structname>ClutterPaintVolume</structname> is an opaque structure
* whose members cannot be directly accessed.
*
* A <structname>ClutterPaintVolume</structname> represents an
* a bounding volume whos internal representation isn't defined but
* can be set and queried in terms of an axis aligned bounding box.
*
* Other internal representation and methods for describing the
* bounding volume may be added in the future.
*
* Since: 1.4
*/
typedef struct _ClutterPaintVolume ClutterPaintVolume;
/**
* 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 pixels
*
* Since: 0.4
*/
struct _ClutterVertex
{
gfloat x;
gfloat y;
gfloat z;
};
GType clutter_vertex_get_type (void) G_GNUC_CONST;
ClutterVertex *clutter_vertex_new (gfloat x,
gfloat y,
gfloat z);
ClutterVertex *clutter_vertex_copy (const ClutterVertex *vertex);
void clutter_vertex_free (ClutterVertex *vertex);
gboolean clutter_vertex_equal (const ClutterVertex *vertex_a,
const ClutterVertex *vertex_b);
/**
* ClutterActorBox:
* @x1: X coordinate of the top left corner
* @y1: Y coordinate of the top left corner
* @x2: X coordinate of the bottom right corner
* @y2: Y coordinate of the bottom right corner
*
* Bounding box of an actor. The coordinates of the top left and right bottom
* corners of an actor. The coordinates of the two points are expressed in
* pixels with sub-pixel precision
*/
struct _ClutterActorBox
{
gfloat x1;
gfloat y1;
gfloat x2;
gfloat y2;
};
GType clutter_actor_box_get_type (void) G_GNUC_CONST;
ClutterActorBox *clutter_actor_box_new (gfloat x_1,
gfloat y_1,
gfloat x_2,
gfloat y_2);
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.
*/
struct _ClutterGeometry
{
/*< public >*/
gint x;
gint y;
guint width;
guint height;
};
GType clutter_geometry_get_type (void) G_GNUC_CONST;
void clutter_geometry_union (const ClutterGeometry *geometry_a,
const ClutterGeometry *geometry_b,
ClutterGeometry *result);
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);
/**
* 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;
/**
* ClutterRequestMode:
* @CLUTTER_REQUEST_HEIGHT_FOR_WIDTH: Height for width requests
* @CLUTTER_REQUEST_WIDTH_FOR_HEIGHT: Width for height requests
*
* Specifies the type of requests for a #ClutterActor.
*
* Since: 0.8
*/
typedef enum {
CLUTTER_REQUEST_HEIGHT_FOR_WIDTH,
CLUTTER_REQUEST_WIDTH_FOR_HEIGHT
} ClutterRequestMode;
/**
* ClutterAnimationMode:
* @CLUTTER_CUSTOM_MODE: custom progress function
* @CLUTTER_LINEAR: linear tweening
* @CLUTTER_EASE_IN_QUAD: quadratic tweening
* @CLUTTER_EASE_OUT_QUAD: quadratic tweening, inverse of
* %CLUTTER_EASE_IN_QUAD
* @CLUTTER_EASE_IN_OUT_QUAD: quadratic tweening, combininig
* %CLUTTER_EASE_IN_QUAD and %CLUTTER_EASE_OUT_QUAD
* @CLUTTER_EASE_IN_CUBIC: cubic tweening
* @CLUTTER_EASE_OUT_CUBIC: cubic tweening, invers of
* %CLUTTER_EASE_IN_CUBIC
* @CLUTTER_EASE_IN_OUT_CUBIC: cubic tweening, combining
* %CLUTTER_EASE_IN_CUBIC and %CLUTTER_EASE_OUT_CUBIC
* @CLUTTER_EASE_IN_QUART: quartic tweening
* @CLUTTER_EASE_OUT_QUART: quartic tweening, inverse of
* %CLUTTER_EASE_IN_QUART
* @CLUTTER_EASE_IN_OUT_QUART: quartic tweening, combining
* %CLUTTER_EASE_IN_QUART and %CLUTTER_EASE_OUT_QUART
* @CLUTTER_EASE_IN_QUINT: quintic tweening
* @CLUTTER_EASE_OUT_QUINT: quintic tweening, inverse of
* %CLUTTER_EASE_IN_QUINT
* @CLUTTER_EASE_IN_OUT_QUINT: fifth power tweening, combining
* %CLUTTER_EASE_IN_QUINT and %CLUTTER_EASE_OUT_QUINT
* @CLUTTER_EASE_IN_SINE: sinusoidal tweening
* @CLUTTER_EASE_OUT_SINE: sinusoidal tweening, inverse of
* %CLUTTER_EASE_IN_SINE
* @CLUTTER_EASE_IN_OUT_SINE: sine wave tweening, combining
* %CLUTTER_EASE_IN_SINE and %CLUTTER_EASE_OUT_SINE
* @CLUTTER_EASE_IN_EXPO: exponential tweening
* @CLUTTER_EASE_OUT_EXPO: exponential tweening, inverse of
* %CLUTTER_EASE_IN_EXPO
* @CLUTTER_EASE_IN_OUT_EXPO: exponential tweening, combining
* %CLUTTER_EASE_IN_EXPO and %CLUTTER_EASE_OUT_EXPO
* @CLUTTER_EASE_IN_CIRC: circular tweening
* @CLUTTER_EASE_OUT_CIRC: circular tweening, inverse of
* %CLUTTER_EASE_IN_CIRC
* @CLUTTER_EASE_IN_OUT_CIRC: circular tweening, combining
* %CLUTTER_EASE_IN_CIRC and %CLUTTER_EASE_OUT_CIRC
* @CLUTTER_EASE_IN_ELASTIC: elastic tweening, with offshoot on start
* @CLUTTER_EASE_OUT_ELASTIC: elastic tweening, with offshoot on end
* @CLUTTER_EASE_IN_OUT_ELASTIC: elastic tweening with offshoot on both ends
* @CLUTTER_EASE_IN_BACK: overshooting cubic tweening, with
* backtracking on start
* @CLUTTER_EASE_OUT_BACK: overshooting cubic tweening, with
* backtracking on end
* @CLUTTER_EASE_IN_OUT_BACK: overshooting cubic tweening, with
* backtracking on both ends
* @CLUTTER_EASE_IN_BOUNCE: exponentially decaying parabolic (bounce)
* tweening, with bounce on start
* @CLUTTER_EASE_OUT_BOUNCE: exponentially decaying parabolic (bounce)
* tweening, with bounce on end
* @CLUTTER_EASE_IN_OUT_BOUNCE: exponentially decaying parabolic (bounce)
* tweening, with bounce on both ends
* @CLUTTER_ANIMATION_LAST: last animation mode, used as a guard for
* registered global alpha functions
*
* The animation modes used by #ClutterAlpha and #ClutterAnimation. This
* enumeration can be expanded in later versions of Clutter. See the
* #ClutterAlpha documentation for a graph of all the animation modes.
*
* Every global alpha function registered using clutter_alpha_register_func()
* or clutter_alpha_register_closure() will have a logical id greater than
* %CLUTTER_ANIMATION_LAST.
*
* Since: 1.0
*/
typedef enum {
CLUTTER_CUSTOM_MODE = 0,
/* linear */
CLUTTER_LINEAR,
/* quadratic */
CLUTTER_EASE_IN_QUAD,
CLUTTER_EASE_OUT_QUAD,
CLUTTER_EASE_IN_OUT_QUAD,
/* cubic */
CLUTTER_EASE_IN_CUBIC,
CLUTTER_EASE_OUT_CUBIC,
CLUTTER_EASE_IN_OUT_CUBIC,
/* quartic */
CLUTTER_EASE_IN_QUART,
CLUTTER_EASE_OUT_QUART,
CLUTTER_EASE_IN_OUT_QUART,
/* quintic */
CLUTTER_EASE_IN_QUINT,
CLUTTER_EASE_OUT_QUINT,
CLUTTER_EASE_IN_OUT_QUINT,
/* sinusoidal */
CLUTTER_EASE_IN_SINE,
CLUTTER_EASE_OUT_SINE,
CLUTTER_EASE_IN_OUT_SINE,
/* exponential */
CLUTTER_EASE_IN_EXPO,
CLUTTER_EASE_OUT_EXPO,
CLUTTER_EASE_IN_OUT_EXPO,
/* circular */
CLUTTER_EASE_IN_CIRC,
CLUTTER_EASE_OUT_CIRC,
CLUTTER_EASE_IN_OUT_CIRC,
/* elastic */
CLUTTER_EASE_IN_ELASTIC,
CLUTTER_EASE_OUT_ELASTIC,
CLUTTER_EASE_IN_OUT_ELASTIC,
/* overshooting cubic */
CLUTTER_EASE_IN_BACK,
CLUTTER_EASE_OUT_BACK,
CLUTTER_EASE_IN_OUT_BACK,
/* exponentially decaying parabolic */
CLUTTER_EASE_IN_BOUNCE,
CLUTTER_EASE_OUT_BOUNCE,
CLUTTER_EASE_IN_OUT_BOUNCE,
/* guard, before registered alpha functions */
CLUTTER_ANIMATION_LAST
} ClutterAnimationMode;
/**
* ClutterFontFlags:
* @CLUTTER_FONT_MIPMAPPING: Set to use mipmaps for the glyph cache textures.
* @CLUTTER_FONT_HINTING: Set to enable hinting on the glyphs.
*
* Runtime flags to change the font quality. To be used with
* clutter_set_font_flags().
*
* Since: 1.0
*/
typedef enum
{
CLUTTER_FONT_MIPMAPPING = (1 << 0),
CLUTTER_FONT_HINTING = (1 << 1)
} ClutterFontFlags;
/**
* ClutterTextDirection:
* @CLUTTER_TEXT_DIRECTION_DEFAULT: Use the default setting, as returned
* by clutter_get_default_text_direction()
* @CLUTTER_TEXT_DIRECTION_LTR: Use left-to-right text direction
* @CLUTTER_TEXT_DIRECTION_RTL: Use right-to-left text direction
*
* The text direction to be used by #ClutterActor<!-- -->s
*
* Since: 1.2
*/
typedef enum {
CLUTTER_TEXT_DIRECTION_DEFAULT,
CLUTTER_TEXT_DIRECTION_LTR,
CLUTTER_TEXT_DIRECTION_RTL
} ClutterTextDirection;
/**
* ClutterShaderType:
* @CLUTTER_VERTEX_SHADER: a vertex shader
* @CLUTTER_FRAGMENT_SHADER: a fragment shader
*
* The type of GLSL shader program
*
* Since: 1.4
*/
typedef enum {
CLUTTER_VERTEX_SHADER,
CLUTTER_FRAGMENT_SHADER
} ClutterShaderType;
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);
gboolean clutter_paint_volume_set_from_allocation (ClutterPaintVolume *pv,
ClutterActor *actor);
G_END_DECLS
#endif /* __CLUTTER_TYPES_H__ */
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