ok, will.

On Fri, Jun 15, 2018 at 12:41 PM, Vincent Torri <[email protected]>
wrote:

> On Fri, Jun 15, 2018 at 4:05 AM, Hermet Park <[email protected]> wrote:
> > Eo* obj = evas_object_vg_add(canvas);
> > Efl_VG* root = evas_vg_container_add(obj);
> > evas_object_vg_root_node_set(obj, root);
> > efl_parent_set(root, NULL);
> >
> > **crash**
>
> maybe a unit test should be added ?
>
> Vincent
>
> >
> >
> > On Fri, Jun 15, 2018 at 1:17 AM, Mike Blumenkrantz <
> > [email protected]> wrote:
> >
> >> Are there tests for any of these things that are being fixed?
> >>
> >> On Thu, Jun 14, 2018 at 12:11 PM Hermet Park <[email protected]>
> wrote:
> >>
> >> > hermet pushed a commit to branch master.
> >> >
> >> >
> >> > http://git.enlightenment.org/core/efl.git/commit/?id=
> >> c8c0dbb32bd7f38b0faf524b1a55585f99d1cb17
> >> >
> >> > commit c8c0dbb32bd7f38b0faf524b1a55585f99d1cb17
> >> > Author: Hermet Park <[email protected]>
> >> > Date:   Fri Jun 15 01:00:53 2018 +0900
> >> >
> >> >     evas vg: prevent a corner-case crash.
> >> >
> >> >     tbh, current vg interfaces a little bit bad... here is one
> scenario
> >> to
> >> > this
> >> >     stupid case.
> >> >
> >> >     efl_parent_set() and evas_object_vg_root_node_set() both do
> re-parent
> >> >      job. They could be conflicted if user calls both apis in either
> way.
> >> >
> >> >     efl_parent_set(root_node, NULL); but Vg Object still keeps the
> root
> >> > node
> >> >     which is just a dangling pointer that occurs a crash while
> rendering.
> >> > ---
> >> >  src/lib/evas/canvas/efl_canvas_vg_object.c |  2 ++
> >> >  src/lib/evas/canvas/evas_vg_node.c         | 23
> +++++++++++++++++++++++
> >> >  src/lib/evas/canvas/evas_vg_private.h      |  5 +++++
> >> >  3 files changed, 30 insertions(+)
> >> >
> >> > diff --git a/src/lib/evas/canvas/efl_canvas_vg_object.c
> >> > b/src/lib/evas/canvas/efl_canvas_vg_object.c
> >> > index c39fc5b980..cfd1898326 100644
> >> > --- a/src/lib/evas/canvas/efl_canvas_vg_object.c
> >> > +++ b/src/lib/evas/canvas/efl_canvas_vg_object.c
> >> > @@ -172,6 +172,8 @@ _efl_canvas_vg_object_root_node_set(Eo *obj,
> >> > Efl_Canvas_Vg_Object_Data *pd, Efl_
> >> >
> >> >          // set the parent so that vg canvas can render it.
> >> >          efl_parent_set(pd->user_entry->root, pd->root);
> >> > +
> >> > +        efl_canvas_vg_node_root_set(root_node, obj);
> >> >       }
> >> >     else if (pd->user_entry)
> >> >       {
> >> > diff --git a/src/lib/evas/canvas/evas_vg_node.c
> >> > b/src/lib/evas/canvas/evas_vg_node.c
> >> > index ac054d4c07..1427beb693 100644
> >> > --- a/src/lib/evas/canvas/evas_vg_node.c
> >> > +++ b/src/lib/evas/canvas/evas_vg_node.c
> >> > @@ -322,9 +322,24 @@ _efl_canvas_vg_node_efl_object_parent_set(Eo
> *obj,
> >> >  {
> >> >     Efl_Canvas_Vg_Container_Data *cd = NULL;
> >> >     Efl_Canvas_Vg_Container_Data *old_cd;
> >> > +   Efl_Canvas_Vg_Node_Data *nd;
> >> >     Efl_VG *old_parent;
> >> >     Eina_Bool parent_container = EINA_TRUE;
> >> >
> >> > +   nd = efl_data_scope_get(obj, MY_CLASS);
> >> > +
> >> > +   //No, prevent infinite calls parent_set() -> root_node_set() ->
> >> > parent_set() -> ...
> >> > +   if (nd->parenting) return;
> >> > +
> >> > +   //Cut off root node from vg object if it does....
> >> > +   if (nd->vg_obj)
> >> > +     {
> >> > +        nd->parenting = EINA_TRUE;
> >> > +        evas_object_vg_root_node_set(nd->vg_obj, NULL);
> >> > +        nd->parenting = EINA_FALSE;
> >> > +        nd->vg_obj = NULL;
> >> > +     }
> >> > +
> >> >     if (efl_isa(parent, EFL_CANVAS_VG_CONTAINER_CLASS))
> >> >       cd = efl_data_scope_get(parent, EFL_CANVAS_VG_CONTAINER_CLASS);
> >> >     else if (efl_isa(parent, EFL_CANVAS_VG_OBJECT_CLASS))
> >> > @@ -707,6 +722,14 @@ _efl_canvas_vg_node_efl_gfx_path_interpolate(Eo
> >> *obj,
> >> > Efl_Canvas_Vg_Node_Data *p
> >> >     return EINA_TRUE;
> >> >  }
> >> >
> >> > +void
> >> > +efl_canvas_vg_node_root_set(Efl_VG *node, Efl_VG *vg_obj)
> >> > +{
> >> > +   Efl_Canvas_Vg_Node_Data *nd = efl_data_scope_get(node, MY_CLASS);
> >> > +   nd->vg_obj = vg_obj;
> >> > +}
> >> > +
> >> > +
> >> >  EOLIAN static Efl_VG *
> >> >  _efl_canvas_vg_node_efl_duplicate_duplicate(const Eo *obj,
> >> > Efl_Canvas_Vg_Node_Data *pd)
> >> >  {
> >> > diff --git a/src/lib/evas/canvas/evas_vg_private.h
> >> > b/src/lib/evas/canvas/evas_vg_private.h
> >> > index 4ff8b2bb45..cc43fb03ab 100644
> >> > --- a/src/lib/evas/canvas/evas_vg_private.h
> >> > +++ b/src/lib/evas/canvas/evas_vg_private.h
> >> > @@ -62,6 +62,8 @@ struct _Efl_Canvas_Vg_Node_Data
> >> >     Efl_Canvas_Vg_Node *mask;
> >> >     Ector_Renderer *renderer;
> >> >
> >> > +   Efl_VG *vg_obj;
> >> > +
> >> >     void (*render_pre)(Eo *obj, Eina_Matrix3 *parent, Ector_Surface
> *s,
> >> > void *data, Efl_Canvas_Vg_Node_Data *nd);
> >> >     void *data;
> >> >
> >> > @@ -71,6 +73,7 @@ struct _Efl_Canvas_Vg_Node_Data
> >> >
> >> >     Eina_Bool visibility : 1;
> >> >     Eina_Bool changed : 1;
> >> > +   Eina_Bool parenting : 1;
> >> >  };
> >> >
> >> >  struct _Efl_Canvas_Vg_Container_Data
> >> > @@ -108,6 +111,8 @@ Vg_File_Data *
> >> > evas_cache_vg_file_info(const char *file, const char
> >> >
> >> >  Eina_Bool                   evas_vg_save_to_file(Vg_File_Data
> >> *evg_data,
> >> > const char *file, const char *key, const char *flags);
> >> >
> >> > +void                        efl_canvas_vg_node_root_set(Efl_VG
> *node,
> >> > Efl_VG *vg_obj);
> >> > +
> >> >  static inline Efl_Canvas_Vg_Node_Data *
> >> >  _evas_vg_render_pre(Efl_VG *child, Ector_Surface *s, Eina_Matrix3 *m)
> >> >  {
> >> >
> >> > --
> >> >
> >> >
> >> >
> >> ------------------------------------------------------------
> >> ------------------
> >> Check out the vibrant tech community on one of the world's most
> >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> >> _______________________________________________
> >> enlightenment-devel mailing list
> >> [email protected]
> >> https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
> >>
> >
> >
> >
> > --
> > Regards, Hermet
> > ------------------------------------------------------------
> ------------------
> > Check out the vibrant tech community on one of the world's most
> > engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> > _______________________________________________
> > enlightenment-devel mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
>
> ------------------------------------------------------------
> ------------------
> Check out the vibrant tech community on one of the world's most
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> _______________________________________________
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> https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
>



-- 
Regards, Hermet
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