Mercurial > MadButterfly
changeset 765:a49358b040b5
Doc on how to manage life-cycle of paints for JS
| author | Thinker K.F. Li <thinker@codemud.net> |
|---|---|
| date | Sun, 29 Aug 2010 00:42:16 +0800 |
| parents | 194e24d8ecab |
| children | be0e02948c1d |
| files | nodejs/paints.cc |
| diffstat | 1 files changed, 11 insertions(+), 0 deletions(-) [+] |
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--- a/nodejs/paints.cc Sun Aug 29 00:32:12 2010 +0800 +++ b/nodejs/paints.cc Sun Aug 29 00:42:16 2010 +0800 @@ -18,6 +18,17 @@ * @{ */ +/*! \page paint_gc How to manage life-cycle of paints? + * + * A paint is used to fill and stroke shapes. It should keep live + * before all shapes being stroked/or filled by it are dead or + * filled/stroked by other paints. So, every shape that uses a paint + * should keep a reference to the paint. The reference are removed + * when a shape is filled/or stroked by other paints. + * + * A paint should keep a weak reference to itself. It is used to free + * resource before it being collected. + */ static void xnjsmb_paint_fill(paint_t *paint, Handle<Object> self, shape_t *sh) { Handle<Value> rt_v;