Hi there,
I have a file upload form on my page that is for images. Everything is
written in Ruby on Rails. In the model I have this:
def file_data=(file_data)
@file_data = file_data
write_attribute 'extension',
file_data.original_filename.split('.').last.downcase
write_attribute("content_type", file_data.content_type)
write_attribute("current_name", file_data.original_filename)
write_attribute("file_size", file_data.size)
read_attributes(file_data)
end
I also want to read the attributes of the EXIF data embedded in the picture
doing something like this (this the short form):
def read_attributes(file_data)
img = Magick::Image.from_blob(file_data.read)
camera_makeimg.get_exif_by_entry('Make')
write_attribute("camera_make", camera_make)
end
However, when I do this I get an error of:
undefined method `get_exif_by_entry' for [ JPEG 3504x2336 3504x2336+0+0
DirectClass 8-bit 3544kb]:Array
get_exif_by_entry is a method for ImageMagick
http://www.imagemagick.org/RMagick/doc/image2.html#get_exif_by_entry
I'm a little lost at the moment.
Any ideas?
Thank you,
Dave Hoefler
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