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Fixed an issue where the downloaded ERD diagram was 0 bytes. Fixes #7187

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This commit is contained in:
Aditya Toshniwal
2022-04-07 15:19:32 +05:30
committed by Akshay Joshi
parent b38847680b
commit bf8e569bde
3 changed files with 40 additions and 2 deletions
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21
web/pgadmin/tools/erd/static/js/erd_tool/ui_components/BodyWidget.jsx
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@@ -657,11 +657,24 @@ export default class BodyWidget extends React.Component {
};
setTimeout(()=>{
let width = this.canvasEle.scrollWidth + 10;
let height = this.canvasEle.scrollHeight + 10;
let isCut = false;
/* Canvas limitation - https://html2canvas.hertzen.com/faq */
if(width >= 32767){
width = 32766;
isCut = true;
}
if(height >= 32767){
height = 32766;
isCut = true;
}
html2canvas(this.canvasEle, {
width: this.canvasEle.scrollWidth + 10,
height: this.canvasEle.scrollHeight + 10,
width: width,
height: height,
scrollX: 0,
scrollY: 0,
scale: 1,
useCORS: true,
allowTaint: true,
backgroundColor: window.getComputedStyle(this.canvasEle).backgroundColor,
@@ -691,6 +704,10 @@ export default class BodyWidget extends React.Component {
ele.style.transform = prevTransform;
});
this.setLoading(null);
if(isCut) {
Notify.alert(gettext('Maximum image size limit'),
gettext('The downloaded image has exceeded the maximum size of 32767 x 32767 pixels, and has been cropped to that size.'));
}
});
}, 1000);
}