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added mask element and style property
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| import { Box2 } from '@daign/math'; | ||
| import { GraphicNode } from '@daign/2d-pipeline'; | ||
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| import { StyledGraphicNode } from '../styledGraphicNode'; | ||
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| /** | ||
| * Class for a mask element. | ||
| */ | ||
| export class Mask extends StyledGraphicNode { | ||
| // The id of the mask. | ||
| public id: string = ''; | ||
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| /** | ||
| * Constructor. | ||
| */ | ||
| public constructor() { | ||
| super(); | ||
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| this.baseClass = 'mask'; | ||
| } | ||
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| /** | ||
| * Get the bounding box of all child elements of the mask. | ||
| * @returns The bounding box. | ||
| */ | ||
| public getBox(): Box2 { | ||
| const box = new Box2(); | ||
| this.children.forEach( ( child: GraphicNode ): void => { | ||
| if ( child instanceof StyledGraphicNode ) { | ||
| box.expandByBox( child.getBoxTransformed() ); | ||
| } | ||
| } ); | ||
| return box; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| import { expect } from 'chai'; | ||
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| import { Vector2 } from '@daign/math'; | ||
| import { GraphicNode } from '@daign/2d-pipeline'; | ||
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| import { Mask, Line } from '../../lib'; | ||
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| describe( 'Mask', (): void => { | ||
| describe( 'constructor', (): void => { | ||
| it( 'should set the base class mask', (): void => { | ||
| // Act | ||
| const mask = new Mask(); | ||
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| // Assert | ||
| expect( ( mask as any ).classNames.getByName( 'baseClass' ).value ).to.equal( 'mask' ); | ||
| } ); | ||
| } ); | ||
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| describe( 'getBox', (): void => { | ||
| it( 'should get the bounding box of the mask', (): void => { | ||
| // Arrange | ||
| const mask = new Mask(); | ||
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| const line1 = new Line(); | ||
| line1.start = new Vector2( 7, 2 ); | ||
| line1.end = new Vector2( 3, 8 ); | ||
| mask.appendChild( line1 ); | ||
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| const line2 = new Line(); | ||
| line2.start = new Vector2( 5, 6 ); | ||
| line2.end = new Vector2( 1, 0 ); | ||
| mask.appendChild( line2 ); | ||
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| // Act | ||
| const box = mask.getBox(); | ||
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| // Assert | ||
| expect( box.min.equals( new Vector2( 1, 0 ) ) ).to.be.true; | ||
| expect( box.max.equals( new Vector2( 7, 8 ) ) ).to.be.true; | ||
| } ); | ||
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| it( 'should ignore children that are not StyledGraphicNodes', (): void => { | ||
| // Arrange | ||
| const mask = new Mask(); | ||
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| const graphicNode = new GraphicNode(); | ||
| mask.appendChild( graphicNode ); | ||
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| // Act | ||
| const box = mask.getBox(); | ||
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| // Assert | ||
| expect( box.isEmpty ).to.be.true; | ||
| } ); | ||
| } ); | ||
| } ); |
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