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fix(g-canvas): bbox calculation should be correct for path with arc, c…
…lose #222
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,54 @@ | ||
const expect = require('chai').expect; | ||
import Canvas from '../../src/canvas'; | ||
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const dom = document.createElement('div'); | ||
document.body.appendChild(dom); | ||
dom.id = 'c1'; | ||
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describe('#187', () => { | ||
const canvas = new Canvas({ | ||
container: dom, | ||
width: 600, | ||
height: 600, | ||
localRefresh: true, // 由于局部刷新依赖于图形的包围盒计算,因此测试时 localRefresh 需要为 true | ||
}); | ||
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it('bbox calculation should be correct for path with arc', () => { | ||
const shape1 = canvas.addShape('path', { | ||
attrs: { | ||
fill: '#1890ff', | ||
path: [ | ||
['M', 227.31794680557064, 200.00000266808433], | ||
['L', 87.61525298763183, 98.50004569833794], | ||
['A', 172.6820363488079, 172.6820363488079, 0, 0, 0, 63.08757910043951, 253.36168385505405], | ||
['L', 227.31794680557064, 200.00000266808433], | ||
['Z'], | ||
], | ||
}, | ||
}); | ||
const shape2 = canvas.addShape('path', { | ||
attrs: { | ||
fill: '#5D7092', | ||
fillOpacity: 0.85, | ||
lineWidth: 0, | ||
path: [ | ||
['M', 227.31796092753956, 200.00000629398966], | ||
['L', 63.08757910043951, 253.36168385505405], | ||
['A', 172.68203634880794, 172.68203634880794, 0, 0, 0, 345.526943245539, 325.8797870175248], | ||
['L', 227.31796092753956, 200.00000629398966], | ||
['z'], | ||
], | ||
}, | ||
}); | ||
const bbox1 = shape1.getBBox(); | ||
const bbox2 = shape2.getBBox(); | ||
expect(bbox1.minX).eqls(54.63591866828193); | ||
expect(bbox1.minY).eqls(98.50004569833794); | ||
expect(bbox1.maxX).eqls(227.31794680557064); | ||
expect(bbox1.maxY).eqls(253.36168385505414); | ||
expect(bbox2.minX).eqls(63.087579100439484); | ||
expect(bbox2.minY).eqls(200.00000629398966); | ||
expect(bbox2.maxX).eqls(345.526943245539); | ||
expect(bbox2.maxY).eqls(372.68203634880797); | ||
}); | ||
}); |
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