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# init(source:destination:)

Returns a projective-transformation structure that defines the mapping between a source quadrilateral and a destination quadrilateral.

```
init?(source: vImage_PerpsectiveTransform.QuadrilateralPoints, destination: vImage_PerpsectiveTransform.QuadrilateralPoints)
```

## Parameters

`source`

The four source points.

`destination`

The four destination points.

---

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