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Fix save graph to image for old saves.
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@ -189,7 +189,7 @@ BaseVertex.prototype.getDefaultDiameterFactor = function (textSize)
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BaseVertex.prototype.getBBox = function (style)
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{
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var textSize = DefaultMainTextFontSize;
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if (style !== undefined)
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if (style !== undefined && style.mainTextFontSize !== undefined)
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{
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textSize = style.mainTextFontSize;
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}
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@ -236,7 +236,7 @@ BaseVertex.prototype.hasOwnStyleFor=function(index)
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BaseVertex.prototype.getDefaultDiameterFactor=function(textSize)
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{var textFactor=defaultVertexDiameter*8.0/(2.0*textSize);return new Point(1.0+(this.mainText.length?this.mainText.length/textFactor:0),1.5);}
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BaseVertex.prototype.getBBox=function(style)
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{var textSize=DefaultMainTextFontSize;if(style!==undefined)
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{var textSize=DefaultMainTextFontSize;if(style!==undefined&&style.mainTextFontSize!==undefined)
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{textSize=style.mainTextFontSize;}
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var defaultDiameter=(new VertexModel()).diameter;var vertexDiameter=this.model.diameter;var factor=this.getDefaultDiameterFactor(textSize);return new Point(Math.max(factor.x*defaultDiameter,vertexDiameter),Math.max(factor.y*defaultDiameter,vertexDiameter));}
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const defaultVertexDiameter=30;function VertexModel()
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