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javascript Programming Glossary: ctx.measuretextDetermine width of string in HTML5 canvas http://stackoverflow.com/questions/10099226/determine-width-of-string-in-html5-canvas the dimensions of a string without rendering it. width ctx.measureText text .width Here is how I may do it... var canvas document.getElementById.. i 0 do ctx.font fontSizes i 'px Arial' textDimensions ctx.measureText text while textDimensions.width canvas.width ctx.fillText text.. max 2 ctx.font fontSizes index 'px Arial' var textWidth ctx.measureText text .width if min max return textWidth if textWidth canvas.width..
How can you find the height of text on an HTML canvas? http://stackoverflow.com/questions/1134586/how-can-you-find-the-height-of-text-on-an-html-canvas ctx.font ctx.mozDrawText textToDraw ctx.translate x y if ctx.measureText ctx.mozMeasureText ctx.measureText function text ctx.mozTextStyle.. ctx.translate x y if ctx.measureText ctx.mozMeasureText ctx.measureText function text ctx.mozTextStyle ctx.font var width ctx.mozMeasureText.. var width ctx.mozMeasureText text return width width if ctx.measureText ctx.html5MeasureText ctx.html5MeasureText ctx.measureText ctx.measureText..
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