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argami/text_width_canvas.coffee

Created September 27, 2011 17:44
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Right measurement of text width on Javascript using canvas
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text_width_canvas.coffee
measure_text: (text, font_size, font_family) ->
canvas = document.createElement('canvas')
ctx = window.canvas.getContext '2d'
ctx.font = "#{font_size} #{font_family}"
ctx.measureText(text).width
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