0;N<T;N++)u=Editor.crcTable[(u^E.charCodeAt(J+N))&255]^u>>>8;return u};Editor.crc32=function(u){for(var E=-1,J=0;J<u.length;J++)E=E>>>8^Editor.crcTable[(E^u.charCodeAt(J))&255];return(E^-1)>>>0};Editor.writeGraphModelToPng=function(u,E,J,T,N){function Q(Z,fa){var aa=ba;ba+=fa;return Z.substring(aa,ba)}function R(Z){Z=Q(Z,4);return Z.charCodeAt(3)+(Z.charCodeAt(2)<<8)+(Z.charCodeAt(1)<<16)+(Z.charCodeAt(0)<<24)}function Y(Z){return String.fromCharCode(Z>>24&255,Z>>16&255,Z>>8&255,Z&255)}u=u.substring(u.indexOf(",")+