chickadee » image-dimensions » image-info

image-dimensions input-portprocedure
image-info input-portprocedure

Procedures accepting an input port and returning a list of attributes. image-dimensions returns a list of width and height, image-info returns a list of the image type symbol, width, height and rotation angle in degrees. The rotation is always set to zero for non-JPEG images; JPEG images with EXIF metadata may have a non-zero rotation.

Used image type symbols:

  • gif
  • png
  • tiff
  • jpeg