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improved transform caching

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This commit is contained in:
Eric Rowell
2013-08-10 14:19:53 -07:00
parent 0d6b8bdd79
commit 35db1f7a8b
1 changed files with 11 additions and 24 deletions
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35
src/Node.js
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@@ -50,16 +50,20 @@
'offsetYChange.kinetic'
].join(SPACE);
// clear transform cache pair
function _clearTransformCacheEachChild(node) {
_clearTransformCache.call(node);
}
function _clearTransformCache() {
this._clearCache(TRANSFORM);
this._clearAbsoluteTransformCache();
}
// clear absolute transform cache pair
function _clearAbsoluteTransformCacheEachChild(node) {
_clearAbsoluteTransformCache.call(node);
}
function _clearAbsoluteTransformCache() {
this._clearCache(ABSOLUTE_TRANSFORM);
if (this.children) {
this.getChildren().each(_clearTransformCacheEachChild);
this.getChildren().each(_clearAbsoluteTransformCacheEachChild);
}
}
@@ -101,26 +105,10 @@
this.on('opacityChange.kinetic', _clearAbsoluteOpacityCache);
this._clearTransformCache = _clearTransformCache;
this._clearAbsoluteTransformCache = _clearAbsoluteTransformCache;
this._clearVisibleCache = _clearVisibleCache;
this._clearAbsoluteOpacityCache = _clearAbsoluteOpacityCache;
},
_handleCache: function(attr) {
var func;
// if attr is not defined, and we haven't already cleared the cache
if (attr !== undefined && this.cache[attr] !== undefined) {
func = Kinetic.Node.clearCacheFuncs[attr];
// custom clear cache method
if (func) {
func.call(this);
}
// default clear cache method
else {
this._clearCache(attr);
}
}
},
_clearCache: function(attr){
delete this.cache[attr];
},
@@ -842,8 +830,7 @@
* @memberof Kinetic.Node.prototype
*/
getAbsoluteTransform: function() {
return this._getAbsoluteTransform();
//return this._getCache(ABSOLUTE_TRANSFORM, this._getAbsoluteTransform);
return this._getCache(ABSOLUTE_TRANSFORM, this._getAbsoluteTransform);
},
_getAbsoluteTransform: function() {
// absolute transform