Hello,
Steps :
- Draw an Annotation
- Draw a second annotation inside the first one
how to check pragmatically that the second annotation is fully inside the first one ?
Thank you in advance.
Hello,
Steps :
how to check pragmatically that the second annotation is fully inside the first one ?
Thank you in advance.
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Guides:Hello,
You can do that with the contains
method on Rects: PDFTron WebViewer Class: Rect. Every annotation allows you to get their rect body so you can perform this comparison on each of them:
const annotList = documentViewer.getAnnotationManager().getAnnotationsList();
annotList.forEach(annotA => {
const rectA = annotA.getRect();
annotList.forEach(annotB => {
if (annotA !== annotB) {
const rectA = annotA.getRect();
const rectB = annotB.getRect();
if (rectA.contains(rectB)) {
console.log('A contains B');
} else if (rectB.contains(rectA)) {
console.log('B contains A');
} else {
console.log('No collision');
}
}
});
});