kopia lustrzana https://github.com/Tldraw/Tldraw
51 wiersze
1.6 KiB
TypeScript
51 wiersze
1.6 KiB
TypeScript
import { Box } from '@tldraw/editor'
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import { TestEditor } from '../TestEditor'
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let editor: TestEditor
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beforeEach(() => {
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editor = new TestEditor()
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})
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describe('When zooming to bounds', () => {
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it('centers the camera on the new bounds', () => {
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expect(editor.getViewportPageCenter()).toMatchObject({ x: 540, y: 360 })
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editor.setScreenBounds({ x: 0, y: 0, w: 1000, h: 1000 })
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expect(editor.getViewportPageCenter()).toMatchObject({ x: 500, y: 500 })
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editor.setCamera({ x: 0, y: 0, z: 1 })
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expect(editor.getViewportPageBounds()).toCloselyMatchObject({
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x: -0,
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y: -0,
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w: 1000,
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h: 1000,
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})
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editor.zoomToBounds(new Box(200, 300, 300, 300))
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expect(editor.getCamera().z).toCloselyMatchObject((1000 - 256) / 300)
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expect(editor.getViewportPageBounds().width).toCloselyMatchObject(1000 / ((1000 - 256) / 300))
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expect(editor.getViewportPageBounds().height).toCloselyMatchObject(1000 / ((1000 - 256) / 300))
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})
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})
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it('does not zoom past max', () => {
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editor.zoomToBounds(new Box(0, 0, 1, 1))
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expect(editor.getZoomLevel()).toBe(8)
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})
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it('does not zoom past min', () => {
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editor.zoomToBounds(new Box(0, 0, 1000000, 100000))
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expect(editor.getZoomLevel()).toBe(0.1)
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})
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it('does not zoom to bounds when camera is frozen', () => {
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editor.setScreenBounds({ x: 0, y: 0, w: 1000, h: 1000 })
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expect(editor.getViewportPageCenter().toJson()).toCloselyMatchObject({ x: 500, y: 500 })
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editor.setCameraOptions({ isLocked: true })
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editor.zoomToBounds(new Box(200, 300, 300, 300))
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expect(editor.getViewportPageCenter().toJson()).toCloselyMatchObject({ x: 500, y: 500 })
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})
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