image = ImageSorcery.new("image.png")
image.identify # => "image.png PNG 500x500 500x500+0+0 8-bit DirectClass 236KB 0.010u 0:00.010\n"
image.manipulate!(scale: "50%") # => true
image.dimensions # => { x: 250, y: 250 }
image.convert("thumbnail.jpg", quality: 80, crop: "100x100>") # => true

image = ImageSorcery.new("multi-page.pdf")
image.filename_changed? # => false
image.manipulate!(format: "png", layer: 0) # => true
image.filename_changed? # => true
image.file # => "multi-page.png"

image = ImageSorcery.new("multi-page.pdf")
image.manipulate!(format: "png") # => true
image.filename_changed? # => true
# on ImageMagick it returns all layers as a single file
image.file # => "multi-page-*.png"
# on GrapicksMagick it returns only the fist layer
image.file # => "multi-page.png"

image = ImageSorcery.gm("image.png")
# use as normal