---
title: "imageSize(_:fromParameter:at:)"
framework: Professional Video Applications
role: symbol
role_heading: Instance Method
platforms: [fxplug 4.2+]
path: "professional_video_applications/fxparameterretrievalapi_v7/imagesize(_:fromparameter:at:)"
---

# imageSize(_:fromParameter:at:)

Provides the dimensions of the image well image when it is at 100-percent scale and has square pixels.

## Declaration

```swift
func imageSize(_ imageSize: UnsafeMutablePointer<CGSize>, fromParameter parameterID: UInt32, at time: CMTime) throws
```

## Parameters

- `imageSize`: The size of the image in image space.
- `parameterID`: The ID of the image parameter for which you want to retrieve size.
- `time`: The time at which you want to get the image size.

## Discussion

Discussion Removes the effects of pixel aspect ratio, fields, proxy resolution scaling, or user scaling, and provides the dimensions of the image well image in image space.