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Wait for the cornerstone tools to handle CornerstoneImageRendered event to capture the rendered image on the download dialog

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This commit is contained in:
Evren Ozkan 2018-02-23 11:57:01 -05:00
parent e5ad7e15a7
commit 3c1e4c51cd
1 changed files with 19 additions and 16 deletions
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35
Packages/ohif-viewerbase/client/components/viewer/downloadDialog/downloadDialog.js
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@ -80,24 +80,27 @@ Template.imageDownloadDialog.onRendered(() => {
instance.updateViewportPreview = () => {
instance.$viewportElement.one('CornerstoneImageRendered', (event, enabledElement) => {
const formData = instance.form.value();
const image = instance.viewportPreview;
const type = 'image/' + formData.type;
const quality = formData.type === 'png' ? 1 : formData.quality / 100;
const dataUrl = instance.downloadCanvas.toDataURL(type, quality);
image.src = dataUrl;
// Wait for the tools to handle CornerstoneImageRendered event
Tracker.afterFlush(() => {
const formData = instance.form.value();
const image = instance.viewportPreview;
const type = 'image/' + formData.type;
const quality = formData.type === 'png' ? 1 : formData.quality / 100;
const dataUrl = instance.downloadCanvas.toDataURL(type, quality);
image.src = dataUrl;
const $element = $(enabledElement.element);
let width = $element.width();
let height = $element.height();
if (width > 512 || height > 512) {
const multiplier = 512 / Math.max(width, height);
height *= multiplier;
width *= multiplier;
}
const $element = $(enabledElement.element);
let width = $element.width();
let height = $element.height();
if (width > 512 || height > 512) {
const multiplier = 512 / Math.max(width, height);
height *= multiplier;
width *= multiplier;
}
image.width = width;
image.height = height;
image.width = width;
image.height = height;
});
});
};