Image placeholder mixin for Jade using the placehold.it image service

placeholder-image.jade

//- Generate a placeholder image from placehold.it
//- ----------------------------------
//- Parameters:
//- 	width: image width in pixels
//- 	height: image height in pixels
//- 	text (optional): text inside image
//- ----------------------------------	
//- Usage:
//- +image(200, 120, 'Example')
//- ----------------------------------
mixin image(width, height, text)
	- text = text || "F.P.O."
	img(src="http://placehold.it/#{width}x#{height}&text=#{text}", alt="")