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Fix issue of seg. fault at xnjsmb_coord_invalidate_subtree(). It caused by _xnjsmb_coord_clone_from_subtree_mod() does not create an JS wrapper object every descendants of the subtree. We do not provide any method for traveling tree. So, it is fine to clone a subtree without creating wrapper objects for descendants. So, we check if an object own a JS wrapper object before invalidating it.
author Thinker K.F. Li <thinker@codemud.net>
date Wed, 06 Apr 2011 17:52:38 +0800
parents a74b4d986a91
children
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svg.js: 
===============

The sample code to load an SVG file. It requires the libxmljs, which is
available at http://github.com/polotek/libxmljs/tree/refactor.  Please
copy the libxmljs.node to the objs/default if you want to test the
libxmljs+mbfly without installing them into the system. The path can be
defined by the NODE_PATH environment variable.

(1) Compile MadButterfly with nodejs support
 ~user/MadButterfly$ ./configure --enable-nodejs; make

(2) Compile libxmljs
 ~user/MadButterfly/nodejs$ git clone http://github.com/polotek/libxmljs.git
 ~user/MadButterfly/nodejs$ cd libxmljs; make; cd ..

(3) Copy the libxmljs.node to the nodejs build directory
 ~user/MadButterfly/nodejs$ cp libxmljs/libjsxml.node objs/default
(4) Set the path
 ~user/MadButterfly/nodejs$ export NODE_PATH=objs/default

(5) Execute testsvg.js
 ~user/MadButterfly/nodejs$ ./run examples/testsvg/testsvg.js