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Clean up clutter-private.h/5

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Move PaintVolume private API to a separate header.
This commit is contained in:
Emmanuele Bassi 2010-10-21 11:59:50 +01:00
parent 43edfc9400
commit cf3a29f224
9 changed files with 124 additions and 104 deletions
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1
clutter/Makefile.am
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@ -228,6 +228,7 @@ source_h_priv = \
$(srcdir)/clutter-keysyms-table.h \
$(srcdir)/clutter-master-clock.h \
$(srcdir)/clutter-model-private.h \
$(srcdir)/clutter-paint-volume-private.h \
$(srcdir)/clutter-private.h \
$(srcdir)/clutter-profile.h \
$(srcdir)/clutter-script-private.h \

1
clutter/clutter-actor.c
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@ -299,6 +299,7 @@
#include "clutter-enum-types.h"
#include "clutter-main.h"
#include "clutter-marshal.h"
#include "clutter-paint-volume-private.h"
#include "clutter-private.h"
#include "clutter-profile.h"
#include "clutter-scriptable.h"

2
clutter/clutter-clone.c
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@ -41,10 +41,10 @@
#include "config.h"
#endif
#include "clutter-color.h"
#include "clutter-clone.h"
#include "clutter-debug.h"
#include "clutter-main.h"
#include "clutter-paint-volume-private.h"
#include "clutter-private.h"
#include "cogl/cogl.h"

104
clutter/clutter-paint-volume-private.h Normal file
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@ -0,0 +1,104 @@
#ifndef __CLUTTER_PAINT_VOLUME_PRIVATE_H__
#define __CLUTTER_PAINT_VOLUME_PRIVATE_H__
#include <clutter/clutter-types.h>
G_BEGIN_DECLS
struct _ClutterPaintVolume
{
ClutterActor *actor;
/* cuboid for the volume:
*
* 4━━━━━━━┓5
* ┏━━━━━━━━┓╱┃
* ┃0 ┊7 1┃ ┃
* ┃ ┄┄┄┄┄┃┄┃6
* ┃3 2┃╱
* ┗━━━━━━━━┛
*
* 0: top, left (origin) : always valid
* 1: top, right : always valid
* 2: bottom, right : updated lazily
* 3: bottom, left : always valid
*
* 4: top, left, back : always valid
* 5: top, right, back : updated lazily
* 6: bottom, right, back : updated lazily
* 7: bottom, left, back : updated lazily
*
* Elements 0, 1, 3 and 4 are filled in by the PaintVolume setters
*
* Note: the reason for this ordering is that we can simply ignore
* elements 4, 5, 6 and 7 most of the time for 2D actors when
* calculating the projected paint box.
*/
ClutterVertex vertices[8];
/* As an optimization for internally managed PaintVolumes we allow
* initializing ClutterPaintVolume variables allocated on the stack
* so we can avoid hammering the slice allocator. */
guint is_static:1;
/* A newly initialized PaintVolume is considered empty as it is
* degenerate on all three axis.
*
* We consider this carefully when we union an empty volume with
* another so that the union simply results in a copy of the other
* volume instead of also bounding the origin of the empty volume.
*
* For example this is a convenient property when calculating the
* volume of a container as the union of the volume of its children
* where the initial volume passed to the containers
* ->get_paint_volume method will be empty. */
guint is_empty:1;
/* TRUE when we've updated the values we calculate lazily */
guint is_complete:1;
/* TRUE if vertices 4-7 can be ignored. (Only valid if complete is
* TRUE) */
guint is_2d:1;
/* Set to TRUE initialy but cleared if the paint volume is
* transfomed by a matrix. */
guint is_axis_aligned:1;
/* Note: There is a precedence to the above bitfields that should be
* considered whenever we implement code that manipulates
* PaintVolumes...
*
* Firstly if ->is_empty == TRUE then the values for ->is_complete
* and ->is_2d are undefined, so you should typically check
* ->is_empty as the first priority.
*
* XXX: document other invariables...
*/
};
void _clutter_paint_volume_init_static (ClutterActor *actor,
ClutterPaintVolume *pv);
ClutterPaintVolume *_clutter_paint_volume_new (ClutterActor *actor);
void _clutter_paint_volume_copy_static (const ClutterPaintVolume *src_pv,
ClutterPaintVolume *dst_pv);
void _clutter_paint_volume_set_from_volume (ClutterPaintVolume *pv,
const ClutterPaintVolume *src);
void _clutter_paint_volume_complete (ClutterPaintVolume *pv);
void _clutter_paint_volume_transform (ClutterPaintVolume *pv,
const CoglMatrix *matrix);
void _clutter_paint_volume_project (ClutterPaintVolume *pv,
const CoglMatrix *modelview,
const CoglMatrix *projection,
const int *viewport);
void _clutter_paint_volume_get_bounding_box (ClutterPaintVolume *pv,
ClutterActorBox *box);
void _clutter_paint_volume_axis_align (ClutterPaintVolume *pv);
void _clutter_paint_volume_set_reference_actor (ClutterPaintVolume *pv,
ClutterActor *actor);
G_END_DECLS
#endif /* __CLUTTER_PAINT_VOLUME_PRIVATE_H__ */

3
clutter/clutter-paint-volume.c
View File

@ -28,8 +28,11 @@
#include "config.h"
#endif
#include <string.h>
#include <glib-object.h>
#include "clutter-paint-volume-private.h"
#include "clutter-private.h"
G_DEFINE_BOXED_TYPE (ClutterPaintVolume, clutter_paint_volume,

93
clutter/clutter-private.h
View File

@ -176,79 +176,6 @@ struct _ClutterMainContext
ClutterSettings *settings;
};
struct _ClutterPaintVolume
{
ClutterActor *actor;
/* cuboid for the volume:
*
* 4━━━━━━━┓5
* ┏━━━━━━━━┓╱┃
* ┃0 ┊7 1┃ ┃
* ┃ ┄┄┄┄┄┃┄┃6
* ┃3 2┃╱
* ┗━━━━━━━━┛
*
* 0: top, left (origin) : always valid
* 1: top, right : always valid
* 2: bottom, right : updated lazily
* 3: bottom, left : always valid
*
* 4: top, left, back : always valid
* 5: top, right, back : updated lazily
* 6: bottom, right, back : updated lazily
* 7: bottom, left, back : updated lazily
*
* Elements 0, 1, 3 and 4 are filled in by the PaintVolume setters
*
* Note: the reason for this ordering is that we can simply ignore
* elements 4, 5, 6 and 7 most of the time for 2D actors when
* calculating the projected paint box.
*/
ClutterVertex vertices[8];
/* As an optimization for internally managed PaintVolumes we allow
* initializing ClutterPaintVolume variables allocated on the stack
* so we can avoid hammering the slice allocator. */
guint is_static:1;
/* A newly initialized PaintVolume is considered empty as it is
* degenerate on all three axis.
*
* We consider this carefully when we union an empty volume with
* another so that the union simply results in a copy of the other
* volume instead of also bounding the origin of the empty volume.
*
* For example this is a convenient property when calculating the
* volume of a container as the union of the volume of its children
* where the initial volume passed to the containers
* ->get_paint_volume method will be empty. */
guint is_empty:1;
/* TRUE when we've updated the values we calculate lazily */
guint is_complete:1;
/* TRUE if vertices 4-7 can be ignored. (Only valid if complete is
* TRUE) */
guint is_2d:1;
/* Set to TRUE initialy but cleared if the paint volume is
* transfomed by a matrix. */
guint is_axis_aligned:1;
/* Note: There is a precedence to the above bitfields that should be
* considered whenever we implement code that manipulates
* PaintVolumes...
*
* Firstly if ->is_empty == TRUE then the values for ->is_complete
* and ->is_2d are undefined, so you should typically check
* ->is_empty as the first priority.
*
* XXX: document other invariables...
*/
};
/* ClutterActorTraverseFlags:
*
* Controls some options for how clutter_actor_traverse() iterates
@ -383,26 +310,6 @@ void _clutter_event_set_platform_data (ClutterEvent *event,
gpointer data);
gpointer _clutter_event_get_platform_data (const ClutterEvent *event);
void _clutter_paint_volume_init_static (ClutterActor *actor,
ClutterPaintVolume *pv);
ClutterPaintVolume *_clutter_paint_volume_new (ClutterActor *actor);
void _clutter_paint_volume_copy_static (const ClutterPaintVolume *src_pv,
ClutterPaintVolume *dst_pv);
void _clutter_paint_volume_set_from_volume (ClutterPaintVolume *pv,
const ClutterPaintVolume *src);
void _clutter_paint_volume_complete (ClutterPaintVolume *pv);
void _clutter_paint_volume_transform (ClutterPaintVolume *pv,
const CoglMatrix *matrix);
void _clutter_paint_volume_project (ClutterPaintVolume *pv,
const CoglMatrix *modelview,
const CoglMatrix *projection,
const int *viewport);
void _clutter_paint_volume_get_bounding_box (ClutterPaintVolume *pv,
ClutterActorBox *box);
void _clutter_paint_volume_axis_align (ClutterPaintVolume *pv);
void _clutter_paint_volume_set_reference_actor (ClutterPaintVolume *pv,
ClutterActor *actor);

19
clutter/clutter-stage.c
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@ -56,21 +56,22 @@
#include "clutter-stage.h"
#include "clutter-backend-private.h"
#include "clutter-main.h"
#include "clutter-color.h"
#include "clutter-util.h"
#include "clutter-container.h"
#include "clutter-debug.h"
#include "clutter-device-manager-private.h"
#include "clutter-enum-types.h"
#include "clutter-id-pool.h"
#include "clutter-main.h"
#include "clutter-marshal.h"
#include "clutter-master-clock.h"
#include "clutter-enum-types.h"
#include "clutter-paint-volume-private.h"
#include "clutter-private.h"
#include "clutter-debug.h"
#include "clutter-stage-manager-private.h"
#include "clutter-version.h" /* For flavour */
#include "clutter-id-pool.h"
#include "clutter-container.h"
#include "clutter-profile.h"
#include "clutter-device-manager-private.h"
#include "clutter-stage-manager-private.h"
#include "clutter-stage-private.h"
#include "clutter-util.h"
#include "clutter-version.h" /* For flavour */
#include "cogl/cogl.h"

1
clutter/x11/clutter-event-x11.c
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@ -38,6 +38,7 @@
#include "clutter-device-manager-private.h"
#include "clutter-event.h"
#include "clutter-main.h"
#include "clutter-paint-volume-private.h"
#include "clutter-private.h"
#include "clutter-stage-private.h"

4
clutter/x11/clutter-x11-texture-pixmap.c
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@ -42,10 +42,12 @@
#include "config.h"
#endif
#include "../clutter-marshal.h"
#include "clutter-x11-texture-pixmap.h"
#include "clutter-x11.h"
#include "clutter-backend-x11.h"
#include "clutter-marshal.h"
#include "clutter-paint-volume-private.h"
#include "clutter-private.h"
#include "cogl/cogl.h"