23 lines
840 B
JavaScript
23 lines
840 B
JavaScript
/**
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* This function enables stack prefetching for a specified element (viewport)
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* It first disables any prefetching currently occurring on any other viewports.
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*
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* @param element {node} DOM Node representing the viewport element
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*/
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enablePrefetchOnElement = function(element) {
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log.info("imageViewerViewport enablePrefetchOnElement");
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// Loop through all viewports and disable stackPrefetch
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$('.imageViewerViewport').each(function() {
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if (!$(this).find('canvas').length) {
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return;
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}
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cornerstoneTools.stackPrefetch.disable(this);
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});
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// Make sure there is a stack to fetch
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var stack = cornerstoneTools.getToolState(element, 'stack');
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if (stack && stack.data.length && stack.data[0].imageIds.length > 1) {
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cornerstoneTools.stackPrefetch.enable(element);
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}
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}; |