getStoredPixels api

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Chris Hafey edited this page May 6, 2014 · 1 revision

The getStoredPixels api call is used to access a subset of the underlying stored pixel values of the image. This is intended to support analysis of images (e.g. ROI calculation, image processing, etc).

function getStoredPixels(element, x, y, width, height);

Parameters:

element - the DOM element to enable
x - the left side of the extraction rectangle in pixel coordinates
y - the top side of the extraction rectangle in pixel coordinates
width - the width of the extraction rectangle in pixel coordinates
height - the height of the extraction rectangle in pixel coordinates

Returns: 1D array of stored pixel values