react-pdf-annotations
Version:
Set of React components for PDF annotation
42 lines (41 loc) • 739 B
JavaScript
const getBoundingRect = clientRects => {
const rects = Array.from(clientRects).map(rect => {
const {
left,
top,
width,
height
} = rect;
const X0 = left;
const X1 = left + width;
const Y0 = top;
const Y1 = top + height;
return {
X0,
X1,
Y0,
Y1
};
});
const optimal = rects.reduce((res, rect) => {
return {
X0: Math.min(res.X0, rect.X0),
X1: Math.max(res.X1, rect.X1),
Y0: Math.min(res.Y0, rect.Y0),
Y1: Math.max(res.Y1, rect.Y1)
};
}, rects[0]);
const {
X0,
X1,
Y0,
Y1
} = optimal;
return {
left: X0,
top: Y0,
width: X1 - X0,
height: Y1 - Y0
};
};
export default getBoundingRect;