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65 lines
2.6 KiB
JavaScript
65 lines
2.6 KiB
JavaScript
/****************************************************************************
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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(function () {
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cc.ScrollView.CanvasRenderCmd = function (renderable) {
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this._layerCmdCtor(renderable);
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this._needDraw = false;
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this.startCmd = new cc.CustomRenderCmd(this, this._startCmd);
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this.startCmd._canUseDirtyRegion = true;
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this.endCmd = new cc.CustomRenderCmd(this, this._endCmd);
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this.endCmd._canUseDirtyRegion = true;
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};
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var proto = cc.ScrollView.CanvasRenderCmd.prototype = Object.create(cc.Layer.CanvasRenderCmd.prototype);
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proto.constructor = cc.ScrollView.CanvasRenderCmd;
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proto._startCmd = function (ctx, scaleX, scaleY) {
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var node = this._node;
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var wrapper = ctx || cc._renderContext, context = wrapper.getContext();
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wrapper.save();
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if (node._clippingToBounds) {
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this._scissorRestored = false;
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wrapper.setTransform(this._worldTransform, scaleX, scaleY);
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var locScaleX = node.getScaleX(), locScaleY = node.getScaleY();
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var getWidth = (node._viewSize.width * locScaleX);
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var getHeight = (node._viewSize.height * locScaleY);
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context.beginPath();
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context.rect(0, 0, getWidth, -getHeight);
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context.closePath();
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context.clip();
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}
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};
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proto._endCmd = function (wrapper) {
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wrapper = wrapper || cc._renderContext;
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wrapper.restore();
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};
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})();
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