Sha256: 8d4b664767d77788a671762d99b4159fb2a6afa526f178ba5c602c9afbe2ec85
Contents?: true
Size: 875 Bytes
Versions: 3
Compression:
Stored size: 875 Bytes
Contents
# coding: utf-8
# frozen_string_literal: true
class PDF::Reader
# Small util class for detecting the orientation of a single PDF page. Accounts
# for any page rotation that is in place.
#
# OrientationDetector.new(:MediaBox => [0,0,612,792]).orientation
# => "portrait"
#
class OrientationDetector
def initialize(attributes)
@attributes = attributes
end
def orientation
@orientation ||= detect_orientation
end
private
def detect_orientation
llx,lly,urx,ury = @attributes[:MediaBox]
rotation = @attributes[:Rotate].to_i
width = urx.to_i - llx.to_i
height = ury.to_i - lly.to_i
if width > height
[0,180].include?(rotation) ? 'landscape' : 'portrait'
else
[0,180].include?(rotation) ? 'portrait' : 'landscape'
end
end
end
end
Version data entries
3 entries across 2 versions & 2 rubygems