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Why These Applied To Different Canvases videobooth.js ch.8 video line 135-6 about

#1 User is offline   lse123polis 

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Posted 27 November 2012 - 01:19 AM 

	buffer.drawImage(video, 0, 0, bufferCanvas.width, displayCanvas.height);
	var frame = buffer.getImageData(0, 0, bufferCanvas.width, displayCanvas.height);



why these applied to different canvases?
bufferCanvas.width, displayCanvas.height

videobooth.js ch.8 video line 135-6 about
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#2 User is offline   Beth Robson 

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Posted 27 November 2012 - 05:33 PM

A mistake in the book (now corrected). It should be the bufferCanvas for both.
Elisabeth Robson
Co-founder, WickedlySmart.com
Author: Head First HTML5 Programming, Head First HTML and CSS, Head First Design Patterns
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