84 lines
2.8 KiB
TypeScript
84 lines
2.8 KiB
TypeScript
import Command from './command'
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import history from '../history'
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import { StretchType, Data, Edge, Corner } from 'types'
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import { getCommonBounds, getPage, getSelectedShapes } from 'utils/utils'
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import { getShapeUtils } from 'lib/shape-utils'
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import { current } from 'immer'
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export default function stretchCommand(data: Data, type: StretchType) {
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const { currentPageId } = data
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const initialShapes = getSelectedShapes(current(data))
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const entries = initialShapes.map(
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(shape) => [shape.id, getShapeUtils(shape).getBounds(shape)] as const
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)
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const boundsForShapes = Object.fromEntries(entries)
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const commonBounds = getCommonBounds(...entries.map((entry) => entry[1]))
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history.execute(
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data,
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new Command({
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name: 'stretched_shapes',
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category: 'canvas',
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do(data) {
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const { shapes } = getPage(data, currentPageId)
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switch (type) {
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case StretchType.Horizontal: {
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for (let id in boundsForShapes) {
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const initialShape = initialShapes[id]
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const shape = shapes[id]
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const oldBounds = boundsForShapes[id]
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const newBounds = { ...oldBounds }
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newBounds.minX = commonBounds.minX
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newBounds.width = commonBounds.width
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newBounds.maxX = commonBounds.maxX
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getShapeUtils(shape).transform(shape, newBounds, {
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type: Corner.TopLeft,
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scaleX: newBounds.width / oldBounds.width,
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scaleY: 1,
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initialShape,
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transformOrigin: [0.5, 0.5],
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})
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}
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break
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}
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case StretchType.Vertical: {
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for (let id in boundsForShapes) {
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const initialShape = initialShapes[id]
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const shape = shapes[id]
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const oldBounds = boundsForShapes[id]
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const newBounds = { ...oldBounds }
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newBounds.minY = commonBounds.minY
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newBounds.height = commonBounds.height
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newBounds.maxY = commonBounds.maxY
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getShapeUtils(shape).transform(shape, newBounds, {
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type: Corner.TopLeft,
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scaleX: 1,
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scaleY: newBounds.height / oldBounds.height,
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initialShape,
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transformOrigin: [0.5, 0.5],
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})
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}
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}
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}
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},
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undo(data) {
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const { shapes } = getPage(data, currentPageId)
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for (let id in boundsForShapes) {
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const shape = shapes[id]
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const initialShape = initialShapes[id]
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const initialBounds = boundsForShapes[id]
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getShapeUtils(shape).transform(shape, initialBounds, {
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type: Corner.BottomRight,
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scaleX: 1,
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scaleY: 1,
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initialShape,
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transformOrigin: [0.5, 0.5],
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})
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}
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},
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})
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)
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}
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