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# CIPageCurlWithShadowTransition

The properties you use to configure a page-curl-with-shadow transition filter.

```
protocol CIPageCurlWithShadowTransition : CITransitionFilter
```

## Topics

### Instance Properties

[`angle`](/documentation/CoreImage/CIPageCurlWithShadowTransition/angle)

The angle of the curling page.

[`backsideImage`](/documentation/CoreImage/CIPageCurlWithShadowTransition/backsideImage)

The image that appears on the back of the source image as the page curls to reveal the target image.

[`extent`](/documentation/CoreImage/CIPageCurlWithShadowTransition/extent)

The extent of the effect.

[`radius`](/documentation/CoreImage/CIPageCurlWithShadowTransition/radius)

The radius of the curl.

[`shadowAmount`](/documentation/CoreImage/CIPageCurlWithShadowTransition/shadowAmount)

The strength of the shadow.

[`shadowExtent`](/documentation/CoreImage/CIPageCurlWithShadowTransition/shadowExtent)

The rectagular portion of input image that casts a shadow.

[`shadowSize`](/documentation/CoreImage/CIPageCurlWithShadowTransition/shadowSize)

The maximum size, in pixels, of the shadow.

## See Also

[`pageCurlWithShadowTransition()`](/documentation/CoreImage/CIFilter-swift.class/pageCurlWithShadowTransition())

Simulates the curl of a page, revealing the target image with added shadow.


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