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Support negative resize for multiple points line/arrow (#1237)

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* Support negative resize for multiple points line

* prettier

* Fix an issue with width or height becoming zero
This commit is contained in:
fujimoto kyosuke
2020-04-09 18:53:12 +09:00
committed by GitHub
parent d5899f6ca0
commit b1ed5b4cdc
3 changed files with 10 additions and 36 deletions
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37
src/element/resizeElements.ts
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@ -144,7 +144,7 @@ export function resizeElements(
width,
height,
...adjustXYWithRotation("nw", element, deltaX, dY, angle),
...(isLinearElement(element) && width >= 0 && height >= 0
...(isLinearElement(element) && width !== 0 && height !== 0
? {
points: rescalePoints(
0,
@ -176,7 +176,7 @@ export function resizeElements(
width,
height,
...adjustXYWithRotation("ne", element, deltaX, dY, angle),
...(isLinearElement(element) && width >= 0 && height >= 0
...(isLinearElement(element) && width !== 0 && height !== 0
? {
points: rescalePoints(
0,
@ -208,7 +208,7 @@ export function resizeElements(
width,
height,
...adjustXYWithRotation("sw", element, deltaX, dY, angle),
...(isLinearElement(element) && width >= 0 && height >= 0
...(isLinearElement(element) && width !== 0 && height !== 0
? {
points: rescalePoints(
0,
@ -240,7 +240,7 @@ export function resizeElements(
width,
height,
...adjustXYWithRotation("se", element, deltaX, dY, angle),
...(isLinearElement(element) && width >= 0 && height >= 0
...(isLinearElement(element) && width !== 0 && height !== 0
? {
points: rescalePoints(
0,
@ -255,12 +255,7 @@ export function resizeElements(
case "n": {
const height = element.height - deltaY;
if (isLinearElement(element)) {
if (element.points.length > 2 && height <= 0) {
// Someday we should implement logic to flip the shape.
// But for now, just stop.
break;
}
if (isLinearElement(element) && height !== 0) {
mutateElement(element, {
height,
...adjustXYWithRotation("n", element, 0, deltaY, angle),
@ -278,13 +273,7 @@ export function resizeElements(
case "w": {
const width = element.width - deltaX;
if (isLinearElement(element)) {
if (element.points.length > 2 && width <= 0) {
// Someday we should implement logic to flip the shape.
// But for now, just stop.
break;
}
if (isLinearElement(element) && width !== 0) {
mutateElement(element, {
width,
...adjustXYWithRotation("w", element, deltaX, 0, angle),
@ -301,12 +290,7 @@ export function resizeElements(
case "s": {
const height = element.height + deltaY;
if (isLinearElement(element)) {
if (element.points.length > 2 && height <= 0) {
// Someday we should implement logic to flip the shape.
// But for now, just stop.
break;
}
if (isLinearElement(element) && height !== 0) {
mutateElement(element, {
height,
...adjustXYWithRotation("s", element, 0, deltaY, angle),
@ -323,12 +307,7 @@ export function resizeElements(
case "e": {
const width = element.width + deltaX;
if (isLinearElement(element)) {
if (element.points.length > 2 && width <= 0) {
// Someday we should implement logic to flip the shape.
// But for now, just stop.
break;
}
if (isLinearElement(element) && width !== 0) {
mutateElement(element, {
width,
...adjustXYWithRotation("e", element, deltaX, 0, angle),