View file File name : canvasmath.js Content :// The canvastext.js code was released to the public domain by Jim Studt, 2007. // He may keep some sort of up to date copy at http://www.federated.com/~jim/canvastext/ // Mar 2009 Ethan A Merritt (EAM) Modify code to work in non-ascii environments. // Add Latin-1, Hershey simplex Greek, and math symbols with unicode indexing. // Apr 2012 Ethan A Merritt Composite widths, tab, newline // Nov 2012 Ethan A Merritt Additional UTF8 mathematical operators // var CanvasTextFunctions = { }; CanvasTextFunctions.letters = { ' ': { width: 16, points: [] }, '!': { width: 10, points: [[5,21],[5,7],[-1,-1],[5,2],[4,1],[5,0],[6,1],[5,2]] }, '"': { width: 16, points: [[4,21],[4,14],[-1,-1],[12,21],[12,14]] }, '#': { width: 21, points: [[11,25],[4,-7],[-1,-1],[17,25],[10,-7],[-1,-1],[4,12],[18,12],[-1,-1],[3,6],[17,6]] }, '$': { width: 20, points: [[8,25],[8,-4],[-1,-1],[12,25],[12,-4],[-1,-1],[17,18],[15,20],[12,21],[8,21],[5,20],[3,18],[3,16],[4,14],[5,13],[7,12],[13,10],[15,9],[16,8],[17,6],[17,3],[15,1],[12,0],[8,0],[5,1],[3,3]] }, '%': { width: 24, points: [[21,21],[3,0],[-1,-1],[8,21],[10,19],[10,17],[9,15],[7,14],[5,14],[3,16],[3,18],[4,20],[6,21],[8,21],[10,20],[13,19],[16,19],[19,20],[21,21],[-1,-1],[17,7],[15,6],[14,4],[14,2],[16,0],[18,0],[20,1],[21,3],[21,5],[19,7],[17,7]] }, '&': { width: 26, points: [[23,12],[23,13],[22,14],[21,14],[20,13],[19,11],[17,6],[15,3],[13,1],[11,0],[7,0],[5,1],[4,2],[3,4],[3,6],[4,8],[5,9],[12,13],[13,14],[14,16],[14,18],[13,20],[11,21],[9,20],[8,18],[8,16],[9,13],[11,10],[16,3],[18,1],[20,0],[22,0],[23,1],[23,2]] }, '\'': { width: 10, points: [[5,19],[4,20],[5,21],[6,20],[6,18],[5,16],[4,15]] }, '(': { width: 14, points: [[11,25],[9,23],[7,20],[5,16],[4,11],[4,7],[5,2],[7,-2],[9,-5],[11,-7]] }, ')': { width: 14, points: [[3,25],[5,23],[7,20],[9,16],[10,11],[10,7],[9,2],[7,-2],[5,-5],[3,-7]] }, '*': { width: 16, points: [[8,21],[8,9],[-1,-1],[3,18],[13,12],[-1,-1],[13,18],[3,12]] }, '+': { width: 20, points: [[10,15],[10,3],[-1,-1],[4,9],[16,9]] }, ',': { width: 10, points: [[6,1],[5,0],[4,1],[5,2],[6,1],[6,-1],[5,-3],[4,-4]] }, '-': { width: 20, points: [[4,9],[16,9]] }, '.': { width: 10, points: [[5,2],[4,1],[5,0],[6,1],[5,2]] }, '/': { width: 20, points: [[19,25],[1,-7]] }, '0': { width: 20, points: [[9,21],[6,20],[4,17],[3,12],[3,9],[4,4],[6,1],[9,0],[11,0],[14,1],[16,4],[17,9],[17,12],[16,17],[14,20],[11,21],[9,21]] }, '1': { width: 20, points: [[6,17],[8,18],[11,21],[11,0]] }, '2': { width: 20, points: [[4,16],[4,17],[5,19],[6,20],[8,21],[12,21],[14,20],[15,19],[16,17],[16,15],[15,13],[13,10],[3,0],[17,0]] }, '3': { width: 20, points: [[5,21],[16,21],[10,13],[13,13],[15,12],[16,11],[17,8],[17,6],[16,3],[14,1],[11,0],[8,0],[5,1],[4,2],[3,4]] }, '4': { width: 20, points: [[13,21],[3,7],[18,7],[-1,-1],[13,21],[13,0]] }, '5': { width: 20, points: [[15,21],[5,21],[4,12],[5,13],[8,14],[11,14],[14,13],[16,11],[17,8],[17,6],[16,3],[14,1],[11,0],[8,0],[5,1],[4,2],[3,4]] }, '6': { width: 20, points: [[16,18],[15,20],[12,21],[10,21],[7,20],[5,17],[4,12],[4,7],[5,3],[7,1],[10,0],[11,0],[14,1],[16,3],[17,6],[17,7],[16,10],[14,12],[11,13],[10,13],[7,12],[5,10],[4,7]] }, '7': { width: 20, points: [[17,21],[7,0],[-1,-1],[3,21],[17,21]] }, '8': { width: 20, points: [[8,21],[5,20],[4,18],[4,16],[5,14],[7,13],[11,12],[14,11],[16,9],[17,7],[17,4],[16,2],[15,1],[12,0],[8,0],[5,1],[4,2],[3,4],[3,7],[4,9],[6,11],[9,12],[13,13],[15,14],[16,16],[16,18],[15,20],[12,21],[8,21]] }, '9': { width: 20, points: [[16,14],[15,11],[13,9],[10,8],[9,8],[6,9],[4,11],[3,14],[3,15],[4,18],[6,20],[9,21],[10,21],[13,20],[15,18],[16,14],[16,9],[15,4],[13,1],[10,0],[8,0],[5,1],[4,3]] }, ':': { width: 10, points: [[5,14],[4,13],[5,12],[6,13],[5,14],[-1,-1],[5,2],[4,1],[5,0],[6,1],[5,2]] }, ';': { width: 10, points: [[5,14],[4,13],[5,12],[6,13],[5,14],[-1,-1],[6,1],[5,0],[4,1],[5,2],[6,1],[6,-1],[5,-3],[4,-4]] }, '<': { width: 24, points: [[20,18],[4,9],[20,0]] }, '=': { width: 24, points: [[3,12],[20,12],[-1,-1],[3,6],[20,6]] }, '>': { width: 24, points: [[4,18],[20,9],[4,0]] }, '?': { width: 18, points: [[3,16],[3,17],[4,19],[5,20],[7,21],[11,21],[13,20],[14,19],[15,17],[15,15],[14,13],[13,12],[9,10],[9,7],[-1,-1],[9,2],[8,1],[9,0],[10,1],[9,2]] }, '@': { width: 27, points: [[18,13],[17,15],[15,16],[12,16],[10,15],[9,14],[8,11],[8,8],[9,6],[11,5],[14,5],[16,6],[17,8],[-1,-1],[12,16],[10,14],[9,11],[9,8],[10,6],[11,5],[-1,-1],[18,16],[17,8],[17,6],[19,5],[21,5],[23,7],[24,10],[24,12],[23,15],[22,17],[20,19],[18,20],[15,21],[12,21],[9,20],[7,19],[5,17],[4,15],[3,12],[3,9],[4,6],[5,4],[7,2],[9,1],[12,0],[15,0],[18,1],[20,2],[21,3],[-1,-1],[19,16],[18,8],[18,6],[19,5]] }, 'A': { width: 18, points: [[9,21],[1,0],[-1,-1],[9,21],[17,0],[-1,-1],[4,7],[14,7]] }, 'B': { width: 21, points: [[4,21],[4,0],[-1,-1],[4,21],[13,21],[16,20],[17,19],[18,17],[18,15],[17,13],[16,12],[13,11],[-1,-1],[4,11],[13,11],[16,10],[17,9],[18,7],[18,4],[17,2],[16,1],[13,0],[4,0]] }, 'C': { width: 21, points: [[18,16],[17,18],[15,20],[13,21],[9,21],[7,20],[5,18],[4,16],[3,13],[3,8],[4,5],[5,3],[7,1],[9,0],[13,0],[15,1],[17,3],[18,5]] }, 'D': { width: 21, points: [[4,21],[4,0],[-1,-1],[4,21],[11,21],[14,20],[16,18],[17,16],[18,13],[18,8],[17,5],[16,3],[14,1],[11,0],[4,0]] }, 'E': { width: 19, points: [[4,21],[4,0],[-1,-1],[4,21],[17,21],[-1,-1],[4,11],[12,11],[-1,-1],[4,0],[17,0]] }, 'F': { width: 18, points: [[4,21],[4,0],[-1,-1],[4,21],[17,21],[-1,-1],[4,11],[12,11]] }, 'G': { width: 21, points: [[18,16],[17,18],[15,20],[13,21],[9,21],[7,20],[5,18],[4,16],[3,13],[3,8],[4,5],[5,3],[7,1],[9,0],[13,0],[15,1],[17,3],[18,5],[18,8],[-1,-1],[13,8],[18,8]] }, 'H': { width: 22, points: [[4,21],[4,0],[-1,-1],[18,21],[18,0],[-1,-1],[4,11],[18,11]] }, 'I': { width: 8, points: [[4,21],[4,0]] }, 'J': { width: 16, points: [[12,21],[12,5],[11,2],[10,1],[8,0],[6,0],[4,1],[3,2],[2,5],[2,7]] }, 'K': { width: 21, points: [[4,21],[4,0],[-1,-1],[18,21],[4,7],[-1,-1],[9,12],[18,0]] }, 'L': { width: 17, points: [[4,21],[4,0],[-1,-1],[4,0],[16,0]] }, 'M': { width: 24, points: [[4,21],[4,0],[-1,-1],[4,21],[12,0],[-1,-1],[20,21],[12,0],[-1,-1],[20,21],[20,0]] }, 'N': { width: 22, points: [[4,21],[4,0],[-1,-1],[4,21],[18,0],[-1,-1],[18,21],[18,0]] }, 'O': { width: 22, points: [[9,21],[7,20],[5,18],[4,16],[3,13],[3,8],[4,5],[5,3],[7,1],[9,0],[13,0],[15,1],[17,3],[18,5],[19,8],[19,13],[18,16],[17,18],[15,20],[13,21],[9,21]] }, 'P': { width: 21, points: [[4,21],[4,0],[-1,-1],[4,21],[13,21],[16,20],[17,19],[18,17],[18,14],[17,12],[16,11],[13,10],[4,10]] }, 'Q': { width: 22, points: [[9,21],[7,20],[5,18],[4,16],[3,13],[3,8],[4,5],[5,3],[7,1],[9,0],[13,0],[15,1],[17,3],[18,5],[19,8],[19,13],[18,16],[17,18],[15,20],[13,21],[9,21],[-1,-1],[12,4],[18,-2]] }, 'R': { width: 21, points: [[4,21],[4,0],[-1,-1],[4,21],[13,21],[16,20],[17,19],[18,17],[18,15],[17,13],[16,12],[13,11],[4,11],[-1,-1],[11,11],[18,0]] }, 'S': { width: 20, points: [[17,18],[15,20],[12,21],[8,21],[5,20],[3,18],[3,16],[4,14],[5,13],[7,12],[13,10],[15,9],[16,8],[17,6],[17,3],[15,1],[12,0],[8,0],[5,1],[3,3]] }, 'T': { width: 16, points: [[8,21],[8,0],[-1,-1],[1,21],[15,21]] }, 'U': { width: 22, points: [[4,21],[4,6],[5,3],[7,1],[10,0],[12,0],[15,1],[17,3],[18,6],[18,21]] }, 'V': { width: 18, points: [[1,21],[9,0],[-1,-1],[17,21],[9,0]] }, 'W': { width: 24, points: [[2,21],[7,0],[-1,-1],[12,21],[7,0],[-1,-1],[12,21],[17,0],[-1,-1],[22,21],[17,0]] }, 'X': { width: 20, points: [[3,21],[17,0],[-1,-1],[17,21],[3,0]] }, 'Y': { width: 18, points: [[1,21],[9,11],[9,0],[-1,-1],[17,21],[9,11]] }, 'Z': { width: 20, points: [[17,21],[3,0],[-1,-1],[3,21],[17,21],[-1,-1],[3,0],[17,0]] }, '[': { width: 14, points: [[4,25],[4,-7],[-1,-1],[5,25],[5,-7],[-1,-1],[4,25],[11,25],[-1,-1],[4,-7],[11,-7]] }, '\\': { width: 14, points: [[0,21],[14,-3]] }, ']': { width: 14, points: [[9,25],[9,-7],[-1,-1],[10,25],[10,-7],[-1,-1],[3,25],[10,25],[-1,-1],[3,-7],[10,-7]] }, '^': { width: 16, points: [[5,15],[8,19],[11,15],[-1,-1],[2,12],[8,18],[14,12]] }, '_': { width: 16, points: [[0,-2],[16,-2]] }, '`': { width: 10, points: [[6,21],[5,20],[4,18],[4,16],[5,15],[6,16],[5,17]] }, 'a': { width: 19, points: [[15,14],[15,0],[-1,-1],[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] }, 'b': { width: 19, points: [[4,21],[4,0],[-1,-1],[4,11],[6,13],[8,14],[11,14],[13,13],[15,11],[16,8],[16,6],[15,3],[13,1],[11,0],[8,0],[6,1],[4,3]] }, 'c': { width: 18, points: [[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] }, 'd': { width: 19, points: [[15,21],[15,0],[-1,-1],[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] }, 'e': { width: 18, points: [[3,8],[15,8],[15,10],[14,12],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] }, 'f': { width: 12, points: [[10,21],[8,21],[6,20],[5,17],[5,0],[-1,-1],[2,14],[9,14]] }, 'g': { width: 19, points: [[15,14],[15,-2],[14,-5],[13,-6],[11,-7],[8,-7],[6,-6],[-1,-1],[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] }, 'h': { width: 19, points: [[4,21],[4,0],[-1,-1],[4,10],[7,13],[9,14],[12,14],[14,13],[15,10],[15,0]] }, 'i': { width: 8, points: [[3,21],[4,20],[5,21],[4,22],[3,21],[-1,-1],[4,14],[4,0]] }, 'j': { width: 10, points: [[5,21],[6,20],[7,21],[6,22],[5,21],[-1,-1],[6,14],[6,-3],[5,-6],[3,-7],[1,-7]] }, 'k': { width: 17, points: [[4,21],[4,0],[-1,-1],[14,14],[4,4],[-1,-1],[8,8],[15,0]] }, 'l': { width: 8, points: [[4,21],[4,0]] }, 'm': { width: 30, points: [[4,14],[4,0],[-1,-1],[4,10],[7,13],[9,14],[12,14],[14,13],[15,10],[15,0],[-1,-1],[15,10],[18,13],[20,14],[23,14],[25,13],[26,10],[26,0]] }, 'n': { width: 19, points: [[4,14],[4,0],[-1,-1],[4,10],[7,13],[9,14],[12,14],[14,13],[15,10],[15,0]] }, 'o': { width: 19, points: [[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3],[16,6],[16,8],[15,11],[13,13],[11,14],[8,14]] }, 'p': { width: 19, points: [[4,14],[4,-7],[-1,-1],[4,11],[6,13],[8,14],[11,14],[13,13],[15,11],[16,8],[16,6],[15,3],[13,1],[11,0],[8,0],[6,1],[4,3]] }, 'q': { width: 19, points: [[15,14],[15,-7],[-1,-1],[15,11],[13,13],[11,14],[8,14],[6,13],[4,11],[3,8],[3,6],[4,3],[6,1],[8,0],[11,0],[13,1],[15,3]] }, 'r': { width: 13, points: [[4,14],[4,0],[-1,-1],[4,8],[5,11],[7,13],[9,14],[12,14]] }, 's': { width: 17, points: [[14,11],[13,13],[10,14],[7,14],[4,13],[3,11],[4,9],[6,8],[11,7],[13,6],[14,4],[14,3],[13,1],[10,0],[7,0],[4,1],[3,3]] }, 't': { width: 12, points: [[5,21],[5,4],[6,1],[8,0],[10,0],[-1,-1],[2,14],[9,14]] }, 'u': { width: 19, points: [[4,14],[4,4],[5,1],[7,0],[10,0],[12,1],[15,4],[-1,-1],[15,14],[15,0]] }, 'v': { width: 16, points: [[2,14],[8,0],[-1,-1],[14,14],[8,0]] }, 'w': { width: 22, points: [[3,14],[7,0],[-1,-1],[11,14],[7,0],[-1,-1],[11,14],[15,0],[-1,-1],[19,14],[15,0]] }, 'x': { width: 17, points: [[3,14],[14,0],[-1,-1],[14,14],[3,0]] }, 'y': { width: 16, points: [[2,14],[8,0],[-1,-1],[14,14],[8,0],[6,-4],[4,-6],[2,-7],[1,-7]] }, 'z': { width: 17, points: [[14,14],[3,0],[-1,-1],[3,14],[14,14],[-1,-1],[3,0],[14,0]] }, '{': { width: 14, points: [[9,25],[7,24],[6,23],[5,21],[5,19],[6,17],[7,16],[8,14],[8,12],[6,10],[-1,-1],[7,24],[6,22],[6,20],[7,18],[8,17],[9,15],[9,13],[8,11],[4,9],[8,7],[9,5],[9,3],[8,1],[7,0],[6,-2],[6,-4],[7,-6],[-1,-1],[6,8],[8,6],[8,4],[7,2],[6,1],[5,-1],[5,-3],[6,-5],[7,-6],[9,-7]] }, '|': { width: 8, points: [[4,25],[4,-7]] }, '}': { width: 14, points: [[5,25],[7,24],[8,23],[9,21],[9,19],[8,17],[7,16],[6,14],[6,12],[8,10],[-1,-1],[7,24],[8,22],[8,20],[7,18],[6,17],[5,15],[5,13],[6,11],[10,9],[6,7],[5,5],[5,3],[6,1],[7,0],[8,-2],[8,-4],[7,-6],[-1,-1],[8,8],[6,6],[6,4],[7,2],[8,1],[9,-1],[9,-3],[8,-5],[7,-6],[5,-7]] }, '~': { width: 24, points: [[3,6],[3,8],[4,11],[6,12],[8,12],[10,11],[14,8],[16,7],[18,7],[20,8],[21,10],[-1,-1],[3,8],[4,10],[6,11],[8,11],[10,10],[14,7],[16,6],[18,6],[20,7],[21,10],[21,12]] }, // latin-1 as diacritical + base character 192: { width: 0, points: [[4,28],[10,24],[-99,'A']] }, 193: { width: 0, points: [[8,24],[14,28],[-99,'A']] }, 194: { width: 0, points: [[5,24],[9,27],[13,24],[-99,'A']] }, 195: { width: 0, points: [[4,24],[5,26],[6,27],[8,27], [10,24],[12,24],[13,25],[14,27],[-99,'A']] }, 196: { width: 0, points: [[6,25],[6,26],[7,26],[7,25],[-1,-1],[12,25],[12,26],[13,26],[13,25],[-99,'A']] }, 197: { width: 0, points: [[8,27],[6,25],[6,23],[8,21],[10,21],[12,23],[12,25],[10,27],[8,27],[-99,'A']]}, 198: { width: 11, points: [[3,0],[14,21],[-1,-1],[7,8],[14,8],[-99,'E']] }, 199: { width: 0, points: [[10,0],[10,-3],[11,-3],[12,-4],[12,-6],[11,-7],[8,-7],[-99,'C']] }, 200: { width: 0, points: [[8,28],[14,24],[-99,'E']] }, 201: { width: 0, points: [[6,24],[12,28],[-99,'E']] }, 202: { width: 0, points: [[5,24],[9,27],[13,24],[-99,'E']] }, 203: { width: 0, points: [[6,25],[6,26],[7,26],[7,25],[-1,-1],[12,25],[12,26],[13,26],[13,25],[-99,'E']] }, 204: { width: 0, points: [[-99,'I']] }, 205: { width: 0, points: [[-99,'I']] }, 206: { width: 0, points: [[-99,'I']] }, 207: { width: 0, points: [[-99,'I']] }, 209: { width: 0, points: [[6,24],[7,26],[8,27],[10,27], [12,24],[14,24],[15,25],[16,27],[-99,'N']] }, 210: { width: 0, points: [[8,28],[14,24],[-99,'O']] }, 211: { width: 0, points: [[6,24],[12,28],[-99,'O']] }, 212: { width: 0, points: [[7,24],[11,27],[15,24],[-99,'O']] }, 213: { width: 0, points: [[6,24],[7,26],[8,27],[10,27], [12,24],[14,24],[15,25],[16,27],[-99,'O']] }, 214: { width: 0, points: [[8,25],[8,26],[9,26],[9,25],[-1,-1],[14,25],[14,26],[15,26],[15,25],[-99,'O']] }, 216: { width: 0, points: [[3,0],[19,21],[-99,'O']] }, 217: { width: 0, points: [[8,28],[14,24],[-99,'U']] }, 218: { width: 0, points: [[6,24],[12,28],[-99,'U']] }, 219: { width: 0, points: [[7,24],[11,27],[15,24],[-99,'U']] }, 220: { width: 0, points: [[8,25],[8,26],[9,26],[9,25],[-1,-1],[14,25],[14,26],[15,26],[15,25],[-99,'U']] }, 224: { width: 0, points: [[8,21],[14,17],[-99,'a']] }, 225: { width: 0, points: [[6,17],[12,21],[-99,'a']] }, 226: { width: 0, points: [[5,17],[9,20],[13,17],[-99,'a']] }, 227: { width: 0, points: [[4,17],[5,19],[6,20],[8,20], [10,17],[12,17],[13,18],[14,20],[-99,'a']] }, 228: { width: 0, points: [[6,18],[6,19],[7,19],[7,18],[-1,-1],[12,18],[12,19],[13,19],[13,18],[-99,'a']] }, 229: { width: 0, points: [[9,21],[7,19],[7,18],[9,16],[10,16],[12,18],[12,19],[10,21],[8,21],[-99,'a']] }, 231: { width: 0, points: [[10,0],[10,-3],[11,-3],[12,-4],[12,-6],[11,-7],[8,-7],[-99,'c']] }, 232: { width: 0, points: [[8,21],[14,17],[-99,'e']] }, 233: { width: 0, points: [[6,17],[12,21],[-99,'e']] }, 234: { width: 0, points: [[5,17],[9,20],[13,17],[-99,'e']] }, 235: { width: 0, points: [[6,18],[6,19],[7,19],[7,18],[-1,-1],[12,18],[12,19],[13,19],[13,18],[-99,'e']] }, 236: { width: 8, points: [[4,14],[4,0],[-1,-1],[1,21],[4,18]] }, 237: { width: 8, points: [[4,14],[4,0],[-1,-1],[7,21],[4,18]] }, 238: { width: 8, points: [[4,14],[4,0],[-1,-1],[1,17],[4,20],[7,17]] }, 239: { width: 10, points: [[5,14],[5,0],[-1,-1],[2,18],[2,19],[3,19],[3,18],[-1,-1],[7,18],[7,19],[8,19],[8,18]] }, 241: { width: 0, points: [[5,17],[6,19],[7,20],[9,20], [11,17],[13,17],[14,18],[15,20],[-99,'n']] }, 242: { width: 0, points: [[8,21],[14,17],[-99,'o']] }, 243: { width: 0, points: [[6,17],[12,21],[-99,'o']] }, 244: { width: 0, points: [[5,17],[9,20],[13,17],[-99,'o']] }, 245: { width: 0, points: [[4,17],[5,19],[6,20],[8,20], [10,17],[12,17],[13,18],[14,20],[-99,'o']] }, 246: { width: 0, points: [[6,18],[6,19],[7,19],[7,18],[-1,-1],[12,18],[12,19],[13,19],[13,18],[-99,'o']] }, 247: { width: 20, points: [[4,9],[16,9],[-1,-1],[10,14],[10,13],[11,13],[11,14],[-1,-1],[10,4],[10,5],[11,5],[11,4]] }, 248: { width: 0, points: [[3,0],[17,14],[-99,'o']] }, 249: { width: 0, points: [[8,21],[14,17],[-99,'u']] }, 250: { width: 0, points: [[6,17],[12,21],[-99,'u']] }, 251: { width: 0, points: [[5,17],[9,20],[13,17],[-99,'u']] }, 252: { width: 0, points: [[6,18],[6,19],[7,19],[7,18],[-1,-1],[12,18],[12,19],[13,19],[13,18],[-99,'u']] }, 253: { width: 0, points: [[12,21],[6,17],[-99,'y']] }, 255: { width: 0, points: [[6,18],[6,19],[7,19],[7,18],[-1,-1],[12,18],[12,19],[13,19],[13,18],[-99,'y']] }, // Hershey simplex greek font 913: { width: 18, points: [[9,22],[1,1],[-1,-1],[9,22],[17,1],[-1,-1],[4,8],[14,8]] }, 914: { width: 21, points: [[4,22],[4,1],[-1,-1],[4,22],[13,22],[16,21],[17,20],[18,18],[18,16],[17,14],[16,13],[13,12],[-1,-1],[4,12],[13,12],[16,11],[17,10],[18,8],[18,5],[17,3],[16,2],[13,1],[4,1]] }, 915: { width: 17, points: [[4,22],[4,1],[-1,-1],[4,22],[16,22]] }, 916: { width: 18, points: [[9,22],[1,1],[-1,-1],[9,22],[17,1],[-1,-1],[1,1],[17,1]] }, 917: { width: 19, points: [[4,22],[4,1],[-1,-1],[4,22],[17,22],[-1,-1],[4,12],[12,12],[-1,-1],[4,1],[17,1]] }, 918: { width: 20, points: [[17,22],[3,1],[-1,-1],[3,22],[17,22],[-1,-1],[3,1],[17,1]] }, 919: { width: 22, points: [[4,22],[4,1],[-1,-1],[18,22],[18,1],[-1,-1],[4,12],[18,12]] }, 920: { width: 22, points: [[9,22],[7,21],[5,19],[4,17],[3,14],[3,9],[4,6],[5,4],[7,2],[9,1],[13,1],[15,2],[17,4],[18,6],[19,9],[19,14],[18,17],[17,19],[15,21],[13,22],[9,22],[-1,-1],[8,12],[14,12]] }, 921: { width: 8, points: [[4,22],[4,1]] }, 922: { width: 21, points: [[4,22],[4,1],[-1,-1],[18,22],[4,8],[-1,-1],[9,13],[18,1]] }, 923: { width: 18, points: [[9,22],[1,1],[-1,-1],[9,22],[17,1]] }, 924: { width: 24, points: [[4,22],[4,1],[-1,-1],[4,22],[12,1],[-1,-1],[20,22],[12,1],[-1,-1],[20,22],[20,1]] }, 925: { width: 22, points: [[4,22],[4,1],[-1,-1],[4,22],[18,1],[-1,-1],[18,22],[18,1]] }, 926: { width: 18, points: [[2,22],[16,22],[-1,-1],[6,12],[12,12],[-1,-1],[2,1],[16,1]] }, 927: { width: 22, points: [[9,22],[7,21],[5,19],[4,17],[3,14],[3,9],[4,6],[5,4],[7,2],[9,1],[13,1],[15,2],[17,4],[18,6],[19,9],[19,14],[18,17],[17,19],[15,21],[13,22],[9,22]] }, 928: { width: 22, points: [[4,22],[4,1],[-1,-1],[18,22],[18,1],[-1,-1],[4,22],[18,22]] }, 929: { width: 21, points: [[4,22],[4,1],[-1,-1],[4,22],[13,22],[16,21],[17,20],[18,18],[18,15],[17,13],[16,12],[13,11],[4,11]] }, 931: { width: 18, points: [[2,22],[9,12],[2,1],[-1,-1],[2,22],[16,22],[-1,-1],[2,1],[16,1]] }, 932: { width: 16, points: [[8,22],[8,1],[-1,-1],[1,22],[15,22]] }, 933: { width: 18, points: [[2,17],[2,19],[3,21],[4,22],[6,22],[7,21],[8,19],[9,15],[9,1],[-1,-1],[16,17],[16,19],[15,21],[14,22],[12,22],[11,21],[10,19],[9,15]] }, 934: { width: 20, points: [[10,22],[10,1],[-1,-1],[8,17],[5,16],[4,15],[3,13],[3,10],[4,8],[5,7],[8,6],[12,6],[15,7],[16,8],[17,10],[17,13],[16,15],[15,16],[12,17],[8,17]] }, 935: { width: 20, points: [[3,22],[17,1],[-1,-1],[3,1],[17,22]] }, 936: { width: 22, points: [[11,22],[11,1],[-1,-1],[2,16],[3,16],[4,15],[5,11],[6,9],[7,8],[10,7],[12,7],[15,8],[16,9],[17,11],[18,15],[19,16],[20,16]] }, 937: { width: 20, points: [[3,1],[7,1],[4,8],[3,12],[3,16],[4,19],[6,21],[9,22],[11,22],[14,21],[16,19],[17,16],[17,12],[16,8],[13,1],[17,1]] }, 945: { width: 21, points: [[9,15],[7,14],[5,12],[4,10],[3,7],[3,4],[4,2],[6,1],[8,1],[10,2],[13,5],[15,8],[17,12],[18,15],[-1,-1],[9,15],[11,15],[12,14],[13,12],[15,4],[16,2],[17,1],[18,1]] }, 946: { width: 19, points: [[12,22],[10,21],[8,19],[6,15],[5,12],[4,8],[3,2],[2,-6],[-1,-1],[12,22],[14,22],[16,20],[16,17],[15,15],[14,14],[12,13],[9,13],[-1,-1],[9,13],[11,12],[13,10],[14,8],[14,5],[13,3],[12,2],[10,1],[8,1],[6,2],[5,3],[4,6]] }, 947: { width: 19, points: [[1,12],[3,14],[5,15],[6,15],[8,14],[9,13],[10,10],[10,6],[9,1],[-1,-1],[17,15],[16,12],[15,10],[9,1],[7,-3],[6,-6]] }, 948: { width: 18, points: [[11,15],[8,15],[6,14],[4,12],[3,9],[3,6],[4,3],[5,2],[7,1],[9,1],[11,2],[13,4],[14,7],[14,10],[13,13],[11,15],[9,17],[8,19],[8,21],[9,22],[11,22],[13,21],[15,19]] }, 949: { width: 16, points: [[13,13],[12,14],[10,15],[7,15],[5,14],[5,12],[6,10],[9,9],[-1,-1],[9,9],[5,8],[3,6],[3,4],[4,2],[6,1],[9,1],[11,2],[13,4]] }, 950: { width: 15, points: [[10,22],[8,21],[7,20],[7,19],[8,18],[11,17],[14,17],[-1,-1],[14,17],[10,15],[7,13],[4,10],[3,7],[3,5],[4,3],[6,1],[9,-1],[10,-3],[10,-5],[9,-6],[7,-6],[6,-4]] }, 951: { width: 20, points: [[1,11],[2,13],[4,15],[6,15],[7,14],[7,12],[6,8],[4,1],[-1,-1],[6,8],[8,12],[10,14],[12,15],[14,15],[16,13],[16,10],[15,5],[12,-6]] }, 952: { width: 17, points: [[10,22],[8,21],[6,18],[5,16],[4,13],[3,8],[3,4],[4,2],[5,1],[7,1],[9,2],[11,5],[12,7],[13,10],[14,15],[14,19],[13,21],[12,22],[10,22],[-1,-1],[4,12],[13,12]] }, 953: { width: 11, points: [[6,15],[4,8],[3,4],[3,2],[4,1],[6,1],[8,3],[9,5]] }, 954: { width: 18, points: [[6,15],[2,1],[-1,-1],[16,14],[15,15],[14,15],[12,14],[8,10],[6,9],[5,9],[-1,-1],[5,9],[7,8],[8,7],[10,2],[11,1],[12,1],[13,2]] }, 955: { width: 16, points: [[1,22],[3,22],[5,21],[6,20],[14,1],[-1,-1],[8,15],[2,1]] }, 956: { width: 21, points: [[7,15],[1,-6],[-1,-1],[6,11],[5,6],[5,3],[7,1],[9,1],[11,2],[13,4],[15,8],[-1,-1],[17,15],[15,8],[14,4],[14,2],[15,1],[17,1],[19,3],[20,5]] }, 957: { width: 18, points: [[3,15],[6,15],[5,9],[4,4],[3,1],[-1,-1],[16,15],[15,12],[14,10],[12,7],[9,4],[6,2],[3,1]] }, 958: { width: 16, points: [[10,22],[8,21],[7,20],[7,19],[8,18],[11,17],[14,17],[-1,-1],[11,17],[8,16],[6,15],[5,13],[5,11],[7,9],[10,8],[12,8],[-1,-1],[10,8],[6,7],[4,6],[3,4],[3,2],[5,0],[9,-2],[10,-3],[10,-5],[8,-6],[6,-6]] }, 959: { width: 17, points: [[8,15],[6,14],[4,12],[3,9],[3,6],[4,3],[5,2],[7,1],[9,1],[11,2],[13,4],[14,7],[14,10],[13,13],[12,14],[10,15],[8,15]] }, 960: { width: 18, points: [[6,15],[2,1],[-1,-1],[16,14],[15,15],[14,15],[12,14],[8,10],[6,9],[5,9],[-1,-1],[5,9],[7,8],[8,7],[10,2],[11,1],[12,1],[13,2]] }, 960: { width: 22, points: [[9,15],[5,1],[-1,-1],[14,15],[15,9],[16,4],[17,1],[-1,-1],[2,12],[4,14],[7,15],[20,15]] }, 961: { width: 18, points: [[4,9],[4,6],[5,3],[6,2],[8,1],[10,1],[12,2],[14,4],[15,7],[15,10],[14,13],[13,14],[11,15],[9,15],[7,14],[5,12],[4,9],[0,-6]] }, 962: { width: 18, points: [[15,13],[14,14],[11,15],[8,15],[5,14],[4,13],[3,11],[3,9],[4,7],[6,5],[10,2],[11,0],[11,-2],[10,-3],[8,-3]] }, 963: { width: 18, points: [[3,15],[6,15],[5,9],[4,4],[3,1],[-1,-1],[16,15],[15,12],[14,10],[12,7],[9,4],[6,2],[3,1]] }, 963: { width: 20, points: [[18,15],[8,15],[6,14],[4,12],[3,9],[3,6],[4,3],[5,2],[7,1],[9,1],[11,2],[13,4],[14,7],[14,10],[13,13],[12,14],[10,15]] }, 964: { width: 20, points: [[11,15],[8,1],[-1,-1],[2,12],[4,14],[7,15],[18,15]] }, 965: { width: 20, points: [[1,11],[2,13],[4,15],[6,15],[7,14],[7,12],[5,6],[5,3],[7,1],[9,1],[12,2],[14,4],[16,8],[17,12],[17,15]] }, 966: { width: 22, points: [[8,14],[6,13],[4,11],[3,8],[3,5],[4,3],[5,2],[7,1],[10,1],[13,2],[16,4],[18,7],[19,10],[19,13],[17,15],[15,15],[13,13],[11,9],[9,4],[6,-6]] }, 967: { width: 18, points: [[2,15],[4,15],[6,13],[12,-4],[14,-6],[16,-6],[-1,-1],[17,15],[16,13],[14,10],[4,-1],[2,-4],[1,-6]] }, 968: { width: 23, points: [[16,22],[8,-6],[-1,-1],[1,11],[2,13],[4,15],[6,15],[7,14],[7,12],[6,7],[6,4],[7,2],[9,1],[11,1],[14,2],[16,4],[18,7],[20,12],[21,15]] }, 969: { width: 23, points: [[8,15],[6,14],[4,11],[3,8],[3,5],[4,2],[5,1],[7,1],[9,2],[11,5],[-1,-1],[12,9],[11,5],[12,2],[13,1],[15,1],[17,2],[19,5],[20,8],[20,11],[19,14],[18,15]] }, 977: { width: 21, points: [[1,11],[2,13],[4,15],[6,15],[7,14],[7,12],[6,7],[6,4],[7,2],[8,1],[10,1],[12,2],[14,5],[15,7],[16,10],[17,15],[17,18],[16,21],[14,22],[12,22],[11,20],[11,18],[12,15],[14,12],[16,10],[19,8]] }, 981: { width: 20, points: [[14,22],[6,-6],[-1,-1],[9,15],[6,14],[4,12],[3,9],[3,6],[4,4],[6,2],[9,1],[11,1],[14,2],[16,4],[17,7],[17,10],[16,12],[14,14],[11,15],[9,15]] }, 982: { width: 23, points: [[9,14],[6,13],[4,11],[3,8],[3,5],[4,2],[5,1],[7,1],[9,2],[11,5],[-1,-1],[12,9],[11,5],[12,2],[13,1],[15,1],[17,2],[19,5],[20,8],[20,11],[19,14],[18,15],[-1,-1],[2,14],[4,15],[20,15]] }, 986: { width: 18, points: [[15,13],[14,14],[11,15],[8,15],[5,14],[4,13],[3,11],[3,9],[4,7],[6,5],[10,2],[11,0],[11,-2],[10,-3],[8,-3]] }, // Hershey math symbols 8501: { width: 20, points: [[3,19],[4,17],[16,5],[17,3],[17,1],[-1,-1],[4,16],[16,4],[-1,-1],[3,19],[3,17],[4,15],[16,3],[17,1],[-1,-1],[8,12],[4,8],[3,6],[3,4],[4,2],[3,1],[-1,-1],[3,6],[5,2],[-1,-1],[4,8],[4,6],[5,4],[5,2],[3,1],[-1,-1],[11,9],[16,14],[-1,-1],[14,19],[14,16],[15,14],[17,14],[17,16],[15,17],[14,19],[-1,-1],[14,19],[15,16],[17,14]] }, 8592: { width: 26, points: [[7,12],[4,10],[7,8],[-1,-1],[10,15],[5,10],[10,5],[-1,-1],[5,10],[22,10]] }, 8593: { width: 16, points: [[6,16],[8,19],[10,16],[-1,-1],[3,13],[8,18],[13,13],[-1,-1],[8,18],[8,1]] }, 8594: { width: 26, points: [[19,12],[22,10],[19,8],[-1,-1],[16,15],[21,10],[16,5],[-1,-1],[4,10],[21,10]] }, 8595: { width: 16, points: [[6,4],[8,1],[10,4],[-1,-1],[3,7],[8,2],[13,7],[-1,-1],[8,19],[8,2]] }, 8706: { width: 19, points: [[15,10],[14,13],[13,14],[11,15],[9,15],[6,14],[4,11],[3,8],[3,5],[4,3],[5,2],[7,1],[9,1],[12,2],[14,4],[15,7],[16,12],[16,17],[15,20],[14,21],[12,22],[9,22],[7,21],[6,20],[6,19],[7,19],[7,20],[-1,-1],[9,15],[7,14],[5,11],[4,8],[4,4],[5,2],[-1,-1],[9,1],[11,2],[13,4],[14,7],[15,12],[15,17],[14,20],[12,22]] }, 8710: { width: 20, points: [[2,1],[10,22],[-1,-1],[17,1],[10,20],[-1,-1],[18,1],[10,22],[-1,-1],[2,1],[18,1],[-1,-1],[3,2],[17,2]] }, 8711: { width: 20, points: [[2,22],[10,1],[-1,-1],[3,22],[10,3],[-1,-1],[18,22],[10,1],[-1,-1],[2,22],[18,22],[-1,-1],[3,21],[17,21]] }, 8712: { width: 24, points: [[20,18],[13,18],[9,17],[7,16],[5,14],[4,11],[4,9],[5,6],[7,4],[9,3],[13,2],[20,2],[-1,-1],[4,10],[16,10]] }, 8713: { width: 24, points: [[20,18],[13,18],[9,17],[7,16],[5,14],[4,11],[4,9],[5,6],[7,4],[9,3],[13,2],[20,2],[-1,-1],[4,10],[16,10],[-1,-1],[18,19],[6,1]] }, 8719: { width: 34, points: [[7,26],[7,-6],[-1,-1],[8,26],[8,-6],[-1,-1],[26,26],[26,-6],[-1,-1],[27,26],[27,-6],[-1,-1],[3,26],[31,26],[-1,-1],[3,-6],[12,-6],[-1,-1],[22,-6],[31,-6]] }, 8721: { width: 31, points: [[5,26],[15,12],[4,-6],[-1,-1],[4,26],[14,12],[-1,-1],[3,26],[14,11],[-1,-1],[3,26],[26,26],[28,19],[25,26],[-1,-1],[5,-5],[26,-5],[-1,-1],[4,-6],[26,-6],[28,1],[25,-6]] }, 8728: { width: 16, points: [[7,13],[5,11],[5,9],[7,7],[9,7],[11,9],[11,11],[9,13],[7,13]] }, 8729: { width: 16, points: [[7,13],[5,11],[5,9],[7,7],[9,7],[11,9],[11,11],[9,13],[7,13],[-1,-1],[7,12],[6,11],[6,9],[7,8],[9,8],[10,9],[10,11],[9,12],[7,12],[-1,-1],[8,11],[7,10],[8,9],[9,10],[8,11]] }, 8730: { width: 22, points: [[3,15],[7,15],[13,3],[-1,-1],[6,15],[13,1],[-1,-1],[22,26],[13,1]] }, 8733: { width: 25, points: [[21,5],[19,5],[17,6],[15,8],[12,12],[11,13],[9,14],[7,14],[5,13],[4,11],[4,9],[5,7],[7,6],[9,6],[11,7],[12,8],[15,12],[17,14],[19,15],[21,15]] }, 8734: { width: 25, points: [[22,9],[21,7],[19,6],[17,6],[15,7],[14,8],[11,12],[10,13],[8,14],[6,14],[4,13],[3,11],[3,9],[4,7],[6,6],[8,6],[10,7],[11,8],[14,12],[15,13],[17,14],[19,14],[21,13],[22,11],[22,9]] }, 8745: { width: 24, points: [[4,2],[4,9],[5,13],[6,15],[8,17],[11,18],[13,18],[16,17],[18,15],[19,13],[20,9],[20,2]] }, 8746: { width: 24, points: [[4,18],[4,11],[5,7],[6,5],[8,3],[11,2],[13,2],[16,3],[18,5],[19,7],[20,11],[20,18]] }, 8747: { width: 24, points: [[21,25],[20,24],[21,23],[22,24],[22,25],[21,26],[19,26],[17,25],[15,23],[14,21],[13,18],[12,14],[10,2],[9,-2],[8,-4],[-1,-1],[16,24],[15,22],[14,18],[12,6],[11,2],[10,-1],[9,-3],[7,-5],[5,-6],[3,-6],[2,-5],[2,-4],[3,-3],[4,-4],[3,-5]] }, 8771: { width: 24, points: [[3,10],[3,11],[4,13],[6,14],[8,14],[10,13],[14,11],[16,10],[18,10],[20,11],[22,13],[22,14],[-1,-1],[3,6],[22,6]] }, 8776: { width: 24, points: [[3,10],[3,11],[4,13],[6,14],[8,14],[10,13],[14,11],[16,10],[18,10],[20,11],[22,13],[22,14],[-1,-1],[3,4],[3,5],[4,7],[6,8],[8,8],[10,7],[14,5],[16,4],[18,4],[20,5],[22,7],[22,8]] }, 8800: { width: 24, points: [[18,19],[6,1],[-1,-1],[3,12],[20,12],[-1,-1],[3,6],[20,6]] }, 8804: { width: 24, points: [[20,4],[4,11],[20,18],[-1,-1],[4,0],[20,0]] }, 8805: { width: 24, points: [[4,4],[20,11],[4,18],[-1,-1],[4,0],[20,0]] }, 8834: { width: 24, points: [[20,18],[13,18],[9,17],[7,16],[5,14],[4,11],[4,9],[5,6],[7,4],[9,3],[13,2],[20,2]] }, 8835: { width: 24, points: [[4,18],[11,18],[15,17],[17,16],[19,14],[20,11],[20,9],[19,6],[17,4],[15,3],[11,2],[4,2]] }, 8838: { width: 24, points: [[20,20],[13,20],[9,19],[7,18],[5,16],[4,13],[4,11],[5,8],[7,6],[9,5],[13,4],[20,4],[-1,-1],[4,0],[20,0]] }, 8839: { width: 24, points: [[4,20],[11,20],[15,19],[17,18],[19,16],[20,13],[20,11],[19,8],[17,6],[15,5],[11,4],[4,4],[-1,-1],[4,0],[20,0]] }, 8853: { width: 20, points: [[9,17],[6,16],[4,14],[3,11],[3,9],[4,6],[6,4],[9,3],[11,3],[14,4],[16,6],[17,9],[17,11],[16,14],[14,16],[11,17],[9,17],[-1,-1],[5,10],[15,10],[-1,-1],[10,5],[10,15]] }, 8855: { width: 20, points: [[9,17],[6,16],[4,14],[3,11],[3,9],[4,6],[6,4],[9,3],[11,3],[14,4],[16,6],[17,9],[17,11],[16,14],[14,16],[11,17],[9,17],[-1,-1],[6,6],[14,14],[-1,-1],[14,6],[6,14]] }, 8857: { width: 20, points: [[9,17],[6,16],[4,14],[3,11],[3,9],[4,6],[6,4],[9,3],[11,3],[14,4],[16,6],[17,9],[17,11],[16,14],[14,16],[11,17],[9,17],[-1,-1],[10,11],[9,10],[10,9],[11,10],[10,11]] }, 9737: { width: 27, points: [[12,22],[9,21],[6,19],[4,16],[3,13],[3,10],[4,7],[6,4],[9,2],[12,1],[15,1],[18,2],[21,4],[23,7],[24,10],[24,13],[23,16],[21,19],[18,21],[15,22],[12,22],[-1,-1],[13,13],[12,12],[12,11],[13,10],[14,10],[15,11],[15,12],[14,13],[13,13],[-1,-1],[13,12],[13,11],[14,11],[14,12],[13,12]] }, // Miscellaneous glyphs (EAM) 176: { width: 14, points: [[6,22],[4,21],[3,19],[3,17],[4,15],[6,14],[8,14],[10,15],[11,17],[11,19],[10,21],[8,22],[6,22]] }, 177: { width: 20, points: [[10,15],[10,5],[-1,-1],[4,10],[16,10],[-1,-1],[4,2],[16,2]] }, 181: { width: 0, points: [[-99,956]] }, 183: { width: 10, points: [[5,11],[4,10],[5,9],[6,10],[5,11]] }, 188: { width: 23, points: [[4,0],[16,20],[-1,-1],[2,18],[4,20],[4,10],[-1,-1],[21,3],[12,3],[17,12],[18,12],[18,-1]] }, 189: { width: 23, points: [[4,0],[16,20],[-1,-1],[2,18],[4,20],[4,10],[-1,-1],[14,8],[16,10],[18,10],[20,8],[20,6],[14,1],[14,0],[21,0]] }, 215: { width: 20, points: [[4,16],[16,4],[-1,-1],[4,4],[16,16]] }, 402: { width: 15, points: [[15,21],[14,20],[15,19],[16,20],[16,21],[15,22],[13,22],[11,21],[10,20],[9,18],[8,15],[5,1],[4,-3],[3,-5],[-1,-1],[13,22],[11,20],[10,18],[9,14],[7,5],[6,1],[5,-2],[4,-4],[3,-5],[1,-6],[-1,-6],[-2,-5],[-2,-4],[-1,-3],[0,-4],[-1,-5],[-1,-1],[4,15],[14,15]] }, 8242: { width: 8, points: [[5,24],[3,16],[-1,-1],[3,16],[6,24]] }, 8243: { width: 11, points: [[4,24],[2,16],[-1,-1],[2,16],[5,24],[-1,-1],[9,24],[7,16],[-1,-1],[7,16],[10,24]] }, 8463: { width: 21, points: [[9,22],[3,1],[-1,-1],[5,7],[7,11],[9,13],[11,14],[13,14],[15,14],[16,12],[16,10],[14,5],[14,2],[15,1],[19,3],[-1,-1],[7,21],[9,22],[-1,-1],[4,15],[14,20]] }, 8491: { width: 0, points: [[-99,197]] }, 8495: { width: 18, points: [[4,6],[8,7],[11,8],[14,10],[15,12],[14,14],[12,15],[9,15],[6,14],[4,11],[3,8],[3,5],[4,3],[5,2],[7,1],[9,1],[12,2],[14,4],[-1,-1],[9,15],[7,14],[5,11],[4,8],[4,4],[5,2]] }, 8722: { width: 20, points: [[2,9],[18,9]] }, // Used to indicate missing glyph 129: { width: 18, points: [[2,-2],[2,21],[16,21],[16,-2],[2,-2]] } }; CanvasTextFunctions.letter = function (ch) { glyph = CanvasTextFunctions.letters[ch]; // EAM - Draw an empty box for undefined glyphs if (glyph == undefined) glyph = CanvasTextFunctions.letters[129]; return glyph; } CanvasTextFunctions.ascent = function( font, size) { return size; } CanvasTextFunctions.descent = function( font, size) { return 7.0*size/25.0; } CanvasTextFunctions.measure = function( font, size, str) { var total = 0; var len = str.length; for ( i = 0; i < len; i++) { var index = str.charAt(i); // EAM deal with non-ascii characters if (index > '~') index = str.charCodeAt(i); var c = CanvasTextFunctions.letter(index); if (!c) break; total += c.width * size / 25.0; if (c.width == 0) { for ( j = 0; j < c.points.length; j++) { var a = c.points[j]; if (a[0] == -99) total += CanvasTextFunctions.letter(a[1]).width * size / 25.0; } } } return total; } CanvasTextFunctions.draw = function(ctx,font,size,x,y,str) { var total = 0; var len = str.length; var mag = size / 25.0; var composite = 0; var xorig = x; ctx.save(); ctx.lineCap = "round"; ctx.lineWidth = 2.0 * mag; for (var i = 0; i < len; i++) { var index = str.charAt(i); // EAM tab and newline if (index == ' ') { var tabstop = 48 * mag; x = tabstop * Math.ceil(x/tabstop); continue; } else if (index < ' ') { x = xorig; y += size; continue; } // EAM deal with non-ascii characters if (index > '~') index = str.charCodeAt(i); // EAM allow composing characters if (composite != 0) { index = composite; composite = 0; } var c = CanvasTextFunctions.letter(index); if ( !c) continue; ctx.beginPath(); var penUp = 1; var needStroke = 0; for (var j = 0; j < c.points.length; j++) { var a = c.points[j]; if ( a[0] == -1 && a[1] == -1) { penUp = 1; continue; } if ( a[0] == -99 ) { composite = a[1]; i--; break; } if ( penUp) { ctx.moveTo( x + a[0]*mag, y - a[1]*mag); penUp = false; } else { ctx.lineTo( x + a[0]*mag, y - a[1]*mag); } } ctx.stroke(); x += c.width*mag; } ctx.restore(); return total; } CanvasTextFunctions.enable = function( ctx) { ctx.drawText = function(font,size,x,y,text) { return CanvasTextFunctions.draw( ctx, font,size,x,y,text); }; ctx.measureText = function(font,size,text) { return CanvasTextFunctions.measure( font,size,text); }; ctx.fontAscent = function(font,size) { return CanvasTextFunctions.ascent(font,size); } ctx.fontDescent = function(font,size) { return CanvasTextFunctions.descent(font,size); } ctx.drawTextRight = function(font,size,x,y,text) { var w = CanvasTextFunctions.measure(font,size,text); return CanvasTextFunctions.draw( ctx, font,size,x-w,y,text); }; ctx.drawTextCenter = function(font,size,x,y,text) { var w = CanvasTextFunctions.measure(font,size,text); return CanvasTextFunctions.draw( ctx, font,size,x-w/2,y,text); }; }