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fixed wrong opacity level for cached group with opacity. close #191

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This commit is contained in:
Anton Lavrenov
2016-12-13 07:01:51 -05:00
parent 64aef6809e
commit ad8d38d945
6 changed files with 95 additions and 12 deletions
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2
src/Context.js
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@@ -217,7 +217,7 @@
},
_applyOpacity: function(shape) {
var absOpacity = shape.getAbsoluteOpacity();
if(absOpacity !== 1) {
if (absOpacity !== 1) {
this.setAttr('globalAlpha', absOpacity);
}
},

9
src/Node.js
View File

@@ -63,6 +63,7 @@
this.attrs = {};
this._cache = {};
this._filterUpToDate = false;
this._isUnderCache = false;
this.setAttrs(config);
// event bindings for cache handling
@@ -217,8 +218,13 @@
sceneContext.translate(-x, -y);
hitContext.translate(-x, -y);
// extra flag to skip on getAbsolute opacity calc
this._isUnderCache = true;
this._clearSelfAndDescendantCache(ABSOLUTE_OPACITY);
this.drawScene(cachedSceneCanvas, this, true);
this.drawHit(cachedHitCanvas, this, true);
this._isUnderCache = false;
sceneContext.restore();
hitContext.restore();
@@ -1138,7 +1144,8 @@
},
_getAbsoluteOpacity: function() {
var absOpacity = this.getOpacity();
if(this.getParent()) {
var parent = this.getParent();
if(parent && !parent._isUnderCache) {
absOpacity *= this.getParent().getAbsoluteOpacity();
}
return absOpacity;