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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | 34x 34x 108x 34x 34x 244x 68x 40x 40x 84x 45x 39x 39x 39x 39x 39x 39x 39x 33x | import { log, Enums } from '@ohif/core';
import { EVENTS } from '@cornerstonejs/core';
const IMAGE_TIMING_KEYS = [];
const imageTiming = {
viewportsWaiting: 0,
};
/**
* Defines the initial view timing reporting.
* This allows knowing how many viewports are waiting for initial views and
* when the IMAGE_RENDERED gets sent out.
* The first image rendered will fire the FIRST_IMAGE timeEnd logs, while
* the last of the enabled viewport will fire the ALL_IMAGES timeEnd logs.
*
*/
export default function initViewTiming({ element }) {
if (!IMAGE_TIMING_KEYS.length) {
// Work around a bug in WebPack that doesn't getting the enums initialized
// quite fast enough to be declared statically.
const { TimingEnum } = Enums;
IMAGE_TIMING_KEYS.push(
TimingEnum.DISPLAY_SETS_TO_ALL_IMAGES,
TimingEnum.DISPLAY_SETS_TO_FIRST_IMAGE,
TimingEnum.STUDY_TO_FIRST_IMAGE,
);
}
if (!IMAGE_TIMING_KEYS.find(key => log.timingKeys[key])) {
return;
}
imageTiming.viewportsWaiting += 1;
element.addEventListener(EVENTS.IMAGE_RENDERED, imageRenderedListener);
}
function imageRenderedListener(evt) {
if (evt.detail.viewportStatus === 'preRender') {
return;
}
const { TimingEnum } = Enums;
log.timeEnd(TimingEnum.DISPLAY_SETS_TO_FIRST_IMAGE);
log.timeEnd(TimingEnum.STUDY_TO_FIRST_IMAGE);
log.timeEnd(TimingEnum.SCRIPT_TO_VIEW);
imageTiming.viewportsWaiting -= 1;
evt.detail.element.removeEventListener(EVENTS.IMAGE_RENDERED, imageRenderedListener);
if (!imageTiming.viewportsWaiting) {
log.timeEnd(TimingEnum.DISPLAY_SETS_TO_ALL_IMAGES);
}
}
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