/* * Clutter. * * An OpenGL based 'interactive canvas' library. * * Authored By Matthew Allum * * 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 . */ #if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION) #error "Only can be included directly." #endif #ifndef __CLUTTER_TYPES_H__ #define __CLUTTER_TYPES_H__ #include #include #include G_BEGIN_DECLS #define CLUTTER_TYPE_ACTOR_BOX (clutter_actor_box_get_type ()) #define CLUTTER_TYPE_FOG (clutter_fog_get_type ()) #define CLUTTER_TYPE_GEOMETRY (clutter_geometry_get_type ()) #define CLUTTER_TYPE_KNOT (clutter_knot_get_type ()) #define CLUTTER_TYPE_MARGIN (clutter_margin_get_type ()) #define CLUTTER_TYPE_PAINT_VOLUME (clutter_paint_volume_get_type ()) #define CLUTTER_TYPE_PERSPECTIVE (clutter_perspective_get_type ()) #define CLUTTER_TYPE_VERTEX (clutter_vertex_get_type ()) #define CLUTTER_TYPE_POINT (clutter_point_get_type ()) #define CLUTTER_TYPE_SIZE (clutter_size_get_type ()) #define CLUTTER_TYPE_RECT (clutter_rect_get_type ()) 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 _ClutterLayoutManager ClutterLayoutManager; typedef struct _ClutterActorIter ClutterActorIter; typedef struct _ClutterPaintNode ClutterPaintNode; typedef struct _ClutterContent ClutterContent; /* dummy */ typedef struct _ClutterAlpha ClutterAlpha; typedef struct _ClutterAnimatable ClutterAnimatable; /* dummy */ typedef struct _ClutterAnimator ClutterAnimator; typedef struct _ClutterInterval ClutterInterval; typedef struct _ClutterState ClutterState; typedef struct _ClutterTimeline ClutterTimeline; typedef struct _ClutterTransition ClutterTransition; typedef struct _ClutterPropertyTransition ClutterPropertyTransition; typedef struct _ClutterAction ClutterAction; typedef struct _ClutterConstraint ClutterConstraint; typedef struct _ClutterEffect ClutterEffect; typedef struct _ClutterPath ClutterPath; typedef struct _ClutterActorBox ClutterActorBox; typedef struct _ClutterColor ClutterColor; typedef struct _ClutterGeometry ClutterGeometry; typedef struct _ClutterKnot ClutterKnot; typedef struct _ClutterMargin ClutterMargin; typedef struct _ClutterPerspective ClutterPerspective; typedef struct _ClutterPoint ClutterPoint; typedef struct _ClutterRect ClutterRect; typedef struct _ClutterSize ClutterSize; typedef struct _ClutterVertex ClutterVertex; typedef struct _ClutterFog ClutterFog; /* deprecated */ typedef struct _ClutterBehaviour ClutterBehaviour; /* deprecated */ typedef struct _ClutterShader ClutterShader; /* deprecated */ typedef union _ClutterEvent ClutterEvent; /** * ClutterPaintVolume: * * ClutterPaintVolume is an opaque structure * whose members cannot be directly accessed. * * A ClutterPaintVolume represents an * a bounding volume whose internal representation isn't defined but * can be set and queried in terms of an axis aligned bounding box. * * A ClutterPaintVolume for a #ClutterActor * is defined to be relative from the current actor modelview matrix. * * Other internal representation and methods for describing the * bounding volume may be added in the future. * * Since: 1.4 */ typedef struct _ClutterPaintVolume ClutterPaintVolume; /** * ClutterPoint: * @x: X coordinate, in pixels * @y: Y coordinate, in pixels * * A point in 2D space. * * Since: 1.12 */ struct _ClutterPoint { float x; float y; }; #define CLUTTER_POINT_INIT(x,y) { (x), (y) } #define CLUTTER_POINT_INIT_ZERO CLUTTER_POINT_INIT (0.f, 0.f) GType clutter_point_get_type (void) G_GNUC_CONST; ClutterPoint * clutter_point_new (void); ClutterPoint * clutter_point_init (ClutterPoint *point, float x, float y); ClutterPoint * clutter_point_copy (const ClutterPoint *point); void clutter_point_free (ClutterPoint *point); gboolean clutter_point_equals (const ClutterPoint *a, const ClutterPoint *b); /** * ClutterSize: * @width: the width, in pixels * @height: the height, in pixels * * A size, in 2D space. * * Since: 1.12 */ struct _ClutterSize { float width; float height; }; #define CLUTTER_SIZE_INIT(width,height) { (width), (height) } #define CLUTTER_SIZE_INIT_ZERO CLUTTER_SIZE_INIT (0.f, 0.f) GType clutter_size_get_type (void) G_GNUC_CONST; ClutterSize * clutter_size_new (void); ClutterSize * clutter_size_init (ClutterSize *size, float width, float height); ClutterSize * clutter_size_copy (const ClutterSize *size); void clutter_size_free (ClutterSize *size); gboolean clutter_size_equals (const ClutterSize *a, const ClutterSize *b); /** * ClutterRect: * @origin: the origin of the rectangle * @size: the size of the rectangle * * The location and size of a rectangle. * * The width and height of a #ClutterRect can be negative; Clutter considers * a rectangle with an origin of [ 0.0, 0.0 ] and a size of [ 10.0, 10.0 ] to * be equivalent to a rectangle with origin of [ 10.0, 10.0 ] and size of * [ -10.0, -10.0 ]. * * Application code can normalize rectangles using clutter_rect_normalize(): * this function will ensure that the width and height of a #ClutterRect are * positive values. All functions taking a #ClutterRect as an argument will * implicitly normalize it before computing eventual results. For this reason * it is safer to access the contents of a #ClutterRect by using the provided * API at all times, instead of directly accessing the structure members. * * Since: 1.12 */ struct _ClutterRect { ClutterPoint origin; ClutterSize size; }; #define CLUTTER_RECT_INIT(x,y,width,height) { { (x), (y) }, { (width), (height) } } #define CLUTTER_RECT_INIT_ZERO CLUTTER_RECT_INIT (0.f, 0.f, 0.f, 0.f) GType clutter_rect_get_type (void) G_GNUC_CONST; ClutterRect * clutter_rect_new (void); ClutterRect * clutter_rect_init (ClutterRect *rect, float x, float y, float width, float height); ClutterRect * clutter_rect_copy (const ClutterRect *rect); void clutter_rect_free (ClutterRect *rect); gboolean clutter_rect_equals (ClutterRect *a, ClutterRect *b); ClutterRect * clutter_rect_normalize (ClutterRect *rect); void clutter_rect_get_center (ClutterRect *rect, ClutterPoint *center); gboolean clutter_rect_contains_point (ClutterRect *rect, ClutterPoint *point); void clutter_rect_union (ClutterRect *a, ClutterRect *b, ClutterRect *res); gboolean clutter_rect_intersection (ClutterRect *a, ClutterRect *b, ClutterRect *res); void clutter_rect_offset (ClutterRect *rect, float d_x, float d_y); void clutter_rect_inset (ClutterRect *rect, float d_x, float d_y); void clutter_rect_clamp_to_pixel (ClutterRect *rect); float clutter_rect_get_x (ClutterRect *rect); float clutter_rect_get_y (ClutterRect *rect); float clutter_rect_get_width (ClutterRect *rect); float clutter_rect_get_height (ClutterRect *rect); /** * ClutterVertex: * @x: X coordinate of the vertex * @y: Y coordinate of the vertex * @z: Z coordinate of the vertex * * A point in 3D space, expressed in pixels * * Since: 0.4 */ struct _ClutterVertex { gfloat x; gfloat y; gfloat z; }; /** * CLUTTER_VERTEX_INIT: * @x: the X coordinate of the vertex * @y: the Y coordinate of the vertex * @z: the Z coordinate of the vertex * * A simple macro for initializing a #ClutterVertex when declaring it, e.g.: * * |[ * ClutterVertext v = CLUTTER_VERTEX_INIT (x, y, z); * ]| * * Since: 1.10 */ #define CLUTTER_VERTEX_INIT(x,y,z) { (x), (y), (z) } GType clutter_vertex_get_type (void) G_GNUC_CONST; ClutterVertex *clutter_vertex_new (gfloat x, gfloat y, gfloat z); void clutter_vertex_init (ClutterVertex *vertex, 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; }; /** * CLUTTER_ACTOR_BOX_INIT: * @x_1: the X coordinate of the top left corner * @y_1: the Y coordinate of the top left corner * @x_2: the X coordinate of the bottom right corner * @y_2: the Y coordinate of the bottom right corner * * A simple macro for initializing a #ClutterActorBox when declaring * it, e.g.: * * |[ * ClutterActorBox box = CLUTTER_ACTOR_BOX_INIT (0, 0, 400, 600); * ]| * * Since: 1.10 */ #define CLUTTER_ACTOR_BOX_INIT(x_1,y_1,x_2,y_2) { (x_1), (y_1), (x_2), (y_2) } 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); void clutter_actor_box_init (ClutterActorBox *box, gfloat x_1, gfloat y_1, 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. */ 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); 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); G_END_DECLS #endif /* __CLUTTER_TYPES_H__ */