JavaScript canvas: write within box -


in js canvas, how can place text within "box", ora have stay in rectangle? mean, can place text @ x, y coordinate, i'd lay in surround box x0, y0, x1, y1, have line breaks when text go out of box, can center within rectangle , possibly have text scaled fit as box possible.

is there such library so?

hope you

<!doctype html> <html>   <head>     <style>       body {         margin: 0px;         padding: 0px;       }     </style>   </head>   <body>     <canvas id="mycanvas" width="578" height="200"></canvas>     <script>       function wraptext(context, text, x, y, maxwidth, lineheight) {         var words = text.split(' ');         var line = '';          for(var n = 0; n < words.length; n++) {           var testline = line + words[n] + ' ';           var metrics = context.measuretext(testline);           var testwidth = metrics.width;           if (testwidth > maxwidth && n > 0) {             context.filltext(line, x, y);             line = words[n] + ' ';             y += lineheight;           }           else {             line = testline;           }         }         context.filltext(line, x, y);       }        var canvas = document.getelementbyid('mycanvas');       var context = canvas.getcontext('2d');       var maxwidth = 400;       var lineheight = 25;       var x = (canvas.width - maxwidth) / 2;       var y = 60;       var text = 'all world \'s stage, , men , women merely players. have exits , entrances; , 1 man in time plays many parts.';        context.font = '16pt calibri';       context.fillstyle = '#333';        wraptext(context, text, x, y, maxwidth, lineheight);     </script>   </body> </html>

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