How to detect if an image is vertical or horizontal

Question

I am making an App in Flutter in which I use image_picker and I would like to know how to know the orientation of an image, if an image is vertical or horizontal.

Is there any way to do it?

Solution 1

decodeImageFromList() provides us the height and width of the image, based on the size we can decide whether the given image is vertical or horizontal.

    import 'dart:io';

    final picker = ImagePicker();
    final pickedFile = await picker.getImage(source: ImageSource.camera);

    File image = new File(pickedFile.path); 
    var decodedImage = await decodeImageFromList(image.readAsBytesSync());
    bool isHorizontalImage = decodedImage.width > decodedImage.height;

Solution 2

Once you get the file from picker, convert to Image and get the width & height, calculate the ratio then you get the orientation:

image = Image.memory(await pickedFile.readAsBytes())

Comments

[GOBINATH.M]

bool isLandscapeImage = image.width > image.height;