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offscreen-effect: Add private API for getting the target size

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Since the FBO target might have a different size than the mere paint box
of the actor, we need API to get it out of the ClutterOffscreenEffect
private data structure and on to sub-classes.

Since we cannot add new API in a stable cycle, we need a private
function; we'll leave it there even when opening 1.7, since it's useful
for internal purposes.
This commit is contained in:
Emmanuele Bassi 2011-02-19 09:15:34 +00:00
parent 82c68c5887
commit 20f19fe06c
3 changed files with 34 additions and 0 deletions
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1
clutter/Makefile.am
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@ -239,6 +239,7 @@ source_h_priv = \
$(srcdir)/clutter-keysyms-table.h \
$(srcdir)/clutter-master-clock.h \
$(srcdir)/clutter-model-private.h \
$(srcdir)/clutter-offscreen-effect-private.h \
$(srcdir)/clutter-paint-volume-private.h \
$(srcdir)/clutter-private.h \
$(srcdir)/clutter-profile.h \

14
clutter/clutter-offscreen-effect-private.h Normal file
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@ -0,0 +1,14 @@
#ifndef __CLUTTER_OFFSCREEN_EFFECT_PRIVATE_H__
#define __CLUTTER_OFFSCREEN_EFFECT_PRIVATE_H__
#include <clutter/clutter-offscreen-effect.h>
G_BEGIN_DECLS
gboolean _clutter_offscreen_effect_get_target_size (ClutterOffscreenEffect *effect,
gfloat *width,
gfloat *height);
G_END_DECLS
#endif /* __CLUTTER_OFFSCREEN_EFFECT_PRIVATE_H__ */

19
clutter/clutter-offscreen-effect.c
View File

@ -475,3 +475,22 @@ clutter_offscreen_effect_create_texture (ClutterOffscreenEffect *effect,
width,
height);
}
gboolean
_clutter_offscreen_effect_get_target_size (ClutterOffscreenEffect *effect,
gfloat *width,
gfloat *height)
{
ClutterOffscreenEffectPrivate *priv = effect->priv;
if (priv->target == NULL)
return FALSE;
if (width)
*width = priv->target_width;
if (height)
*height = priv->target_height;
return TRUE;
}