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t}};CanvasText.proto=window.CanvasRenderingContext2D?window.CanvasRenderingContext2D.prototype:document.createElement("canvas").getContext("2d").__proto__;if(CanvasText.proto){CanvasText.proto.drawText=CanvasText.draw;CanvasText.proto.measureText=CanvasText.measure;CanvasText.proto.getTextBounds=CanvasText.getDimensions;CanvasText.proto.fontAscent=CanvasText.ascent;CanvasText.proto.fontDescent=CanvasText.descent};