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[vercel skip] chore (core) document and test Stack.home

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This commit is contained in:
Enoch Riese 2023-04-14 23:49:45 -04:00
parent 444d82c527
commit 042d4e71a9
2 changed files with 58 additions and 14 deletions
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23
packages/core/src/stack.mjs
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@ -52,30 +52,27 @@ Stack.prototype.home = function () {
for (const part of this.getPartList()) {
part.__boundary()
const transforms = part.attributes.get('transform')
// get all corners of the part's bounds
let tl = part.topLeft || this.topLeft
let br = part.bottomRight || this.bottomRight
let tr = new Point(br.x, tl.y)
let bl = new Point(tl.x, br.y)
// if there are transforms on the part, apply them to the corners so that we have the correct bounds
const transforms = part.attributes.getAsArray('transform')
if (transforms) {
const combinedTransform =
typeof transforms === 'string' ? transforms : utils.combineTransforms(transforms)
const combinedTransform = utils.combineTransforms(transforms)
tl = utils.applyTransformToPoint(combinedTransform, part.topLeft.copy())
br = utils.applyTransformToPoint(combinedTransform, part.bottomRight.copy())
bl = utils.applyTransformToPoint(
combinedTransform,
new Point(part.topLeft.x, part.bottomRight.y)
)
tr = utils.applyTransformToPoint(
combinedTransform,
new Point(part.bottomRight.x, part.topLeft.y)
)
tl = utils.applyTransformToPoint(combinedTransform, tl.copy())
br = utils.applyTransformToPoint(combinedTransform, br.copy())
tr = utils.applyTransformToPoint(combinedTransform, tr.copy())
bl = utils.applyTransformToPoint(combinedTransform, bl.copy())
}
// get the top left, the minimum x and y values of any corner
this.topLeft.x = Math.min(this.topLeft.x, tl.x, br.x, bl.x, tr.x)
this.topLeft.y = Math.min(this.topLeft.y, tl.y, br.y, bl.y, tr.y)
// get the bottom right, the maximum x and y values of any corner
this.bottomRight.x = Math.max(this.bottomRight.x, tl.x, br.x, bl.x, tr.x)
this.bottomRight.y = Math.max(this.bottomRight.y, tl.y, br.y, bl.y, tr.y)
}