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clutter/image: Also invalidate size

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ClutterImage is a ClutterContent implementation that
has an internally managed CoglTexture. This texture
is recreated when new image data is set.

ClutterContent implementations may have control over
the allocation of the widgets they're attached to,
through CLUTTER_REQUEST_CONTENT_SIZE. On those cases,
if the new image data differs in size from the previous
data, it is important to notify those actors about the
size change. However, currently ClutterImage does not
notify them.

With the introduction of clutter_content_invalidate_size(),
it is possible to report the size changes to attached
actors.

Adapt ClutterImage to invalidate_size() when image data
has different sizes.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/405
This commit is contained in:
Georges Basile Stavracas Neto 2019-01-27 13:53:06 -02:00
parent 41ece851d6
commit e1c272e3d7
1 changed files with 26 additions and 0 deletions
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26
clutter/clutter/clutter-image.c
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@ -53,6 +53,8 @@
struct _ClutterImagePrivate
{
CoglTexture *texture;
gint width;
gint height;
};
static void clutter_content_iface_init (ClutterContentIface *iface);
@ -68,6 +70,27 @@ clutter_image_error_quark (void)
return g_quark_from_static_string ("clutter-image-error-quark");
}
static void
update_image_size (ClutterImage *self)
{
gint width, height;
if (self->priv->texture == NULL)
return;
width = cogl_texture_get_width (self->priv->texture);
height = cogl_texture_get_height (self->priv->texture);
if (self->priv->width == width &&
self->priv->height == height)
return;
self->priv->width = width;
self->priv->height = height;
clutter_content_invalidate_size (CLUTTER_CONTENT (self));
}
static void
clutter_image_finalize (GObject *gobject)
{
@ -238,6 +261,7 @@ clutter_image_set_data (ClutterImage *image,
}
clutter_content_invalidate (CLUTTER_CONTENT (image));
update_image_size (image);
return TRUE;
}
@ -306,6 +330,7 @@ clutter_image_set_bytes (ClutterImage *image,
}
clutter_content_invalidate (CLUTTER_CONTENT (image));
update_image_size (image);
return TRUE;
}
@ -399,6 +424,7 @@ clutter_image_set_area (ClutterImage *image,
}
clutter_content_invalidate (CLUTTER_CONTENT (image));
update_image_size (image);
return TRUE;
}