@antv/x6
Version:
JavaScript diagramming library that uses SVG and HTML for rendering.
35 lines • 1.12 kB
JavaScript
import { NumberExt } from '../../util';
import { Rectangle } from '../../geometry';
export function getPointBBox(p) {
return new Rectangle(p.x, p.y, 0, 0);
}
export function getPaddingBox(options = {}) {
const sides = NumberExt.normalizeSides(options.padding || 20);
return {
x: -sides.left,
y: -sides.top,
width: sides.left + sides.right,
height: sides.top + sides.bottom,
};
}
export function getSourceBBox(view, options = {}) {
return view.sourceBBox.clone().moveAndExpand(getPaddingBox(options));
}
export function getTargetBBox(view, options = {}) {
return view.targetBBox.clone().moveAndExpand(getPaddingBox(options));
}
export function getSourceAnchor(view, options = {}) {
if (view.sourceAnchor) {
return view.sourceAnchor;
}
const bbox = getSourceBBox(view, options);
return bbox.getCenter();
}
export function getTargetAnchor(view, options = {}) {
if (view.targetAnchor) {
return view.targetAnchor;
}
const bbox = getTargetBBox(view, options);
return bbox.getCenter();
}
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