Class EXIFR::JPEG
In: lib/jpeg.rb
Parent: Object

JPEG decoder

Examples

  EXIFR::JPEG.new('IMG_3422.JPG').width         # -> 2272
  EXIFR::JPEG.new('IMG_3422.JPG').exif.model    # -> "Canon PowerShot G3"

Methods

exif?   method_missing   new   thumbnail   to_hash  

External Aliases

instance_methods -> instance_methods_without_jpeg_extras

Attributes

comment  [R]  comment; a string if one comment found, an array if more, otherwise nil
exif  [R]  EXIF data if available
height  [R]  image height
width  [R]  image width

Public Class methods

new(file)

file is a filename or an IO object.

Public Instance methods

exif?()

Returns true when EXIF data is available.

method_missing(method, *args)

Dispatch to EXIF. When no EXIF data is available but the method does exist for EXIF data nil will be returned.

thumbnail()

Return thumbnail data when available.

to_hash()

Get a hash presentation of the image.

[Validate]