Function first

src/display/canvas/CanvasPool.js:142–162

(canvasType)

     * @return {HTMLCanvasElement} The first free canvas, or `null` if a WebGL canvas was requested or if the pool doesn't have free canvases.
     */
    var first = function (canvasType)
    {
        if (canvasType === undefined) { canvasType = CONST.CANVAS; }

        if (canvasType === CONST.WEBGL)
        {
            return null;
        }

        for (var i = 0; i < pool.length; i++)
        {
            var container = pool[i];

            if (!container.parent && container.type === canvasType)
            {
                return container;
            }
        }

        return null;
    };

    /**
     * Looks up a canvas based on its parent, and if found puts it back in the pool, freeing it up for re-use.