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# The MIT License
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# This implements native php methods used by tcpdf, which have had to be
# reimplemented within Ruby.
module Rbpdf
# http://uk2.php.net/getimagesize
def getimagesize(filename)
out = Hash.new
out[2] = ImageScience.image_type(filename)
image = ImageScience.with_image(filename) do |img|
out[0] = image.width
out[1] = image.height
# These are actually meant to return integer values But I couldn't seem to find anything saying what those values are.
# So for now they return strings. The only place that uses this at the moment is the parsejpeg method, so I've changed that too.
case out[2]
when "GIF"
out['mime'] = "image/gif"
when "JPEG"
out['mime'] = "image/jpeg"
when "PNG"
out['mime'] = "image/png"
when "WBMP"
out['mime'] = "image/vnd.wap.wbmp"
when "XPM"
out['mime'] = "image/x-xpixmap"
end
out[3] = "height=\"#{image.height}\" width=\"#{image.width}\""
if image.colorspace == "CMYK" || image.colorspace == "RGBA"
out['channels'] = 4
elsif image.colorspace == "RGB"
out['channels'] = 3
end
out['bits'] = image.depth
out['bits'] /= out['channels'] if out['channels']
end
out
end
end
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