Chris@909: # The MIT License
Chris@909: #
Chris@909: # Permission is hereby granted, free of charge, to any person obtaining a copy
Chris@909: # of this software and associated documentation files (the "Software"), to deal
Chris@909: # in the Software without restriction, including without limitation the rights
Chris@909: # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Chris@909: # copies of the Software, and to permit persons to whom the Software is
Chris@909: # furnished to do so, subject to the following conditions:
Chris@909: #
Chris@909: # The above copyright notice and this permission notice shall be included in
Chris@909: # all copies or substantial portions of the Software.
Chris@909: #
Chris@909: # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Chris@909: # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Chris@909: # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
Chris@909: # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Chris@909: # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Chris@909: # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Chris@909: # THE SOFTWARE.
Chris@909: #
Chris@909: # This implements native php methods used by tcpdf, which have had to be
Chris@909: # reimplemented within Ruby.
Chris@909: 
Chris@909: module RFPDF
Chris@909: 
Chris@909:   # http://uk2.php.net/getimagesize
Chris@909:   def getimagesize(filename)
Chris@909:     out = Hash.new
Chris@909:     out[2] = ImageScience.image_type(filename)
Chris@909:     
Chris@909:     image = ImageScience.with_image(filename) do |img|
Chris@909:       out[0] = image.width
Chris@909:       out[1] = image.height
Chris@909:       
Chris@909:       # These are actually meant to return integer values But I couldn't seem to find anything saying what those values are.
Chris@909:       # 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.
Chris@909:       case out[2]
Chris@909:       when "GIF"
Chris@909:         out['mime'] = "image/gif"
Chris@909:       when "JPEG"
Chris@909:         out['mime'] = "image/jpeg"
Chris@909:       when "PNG"
Chris@909:         out['mime'] = "image/png"
Chris@909:       when "WBMP"
Chris@909:         out['mime'] = "image/vnd.wap.wbmp"
Chris@909:       when "XPM"
Chris@909:         out['mime'] = "image/x-xpixmap"
Chris@909:       end
Chris@909:       out[3] = "height=\"#{image.height}\" width=\"#{image.width}\""
Chris@909:       
Chris@909:       if image.colorspace == "CMYK" || image.colorspace == "RGBA"
Chris@909:           out['channels'] = 4
Chris@909:       elsif image.colorspace == "RGB"
Chris@909:         out['channels'] = 3
Chris@909:       end
Chris@909:       
Chris@909:       out['bits'] = image.depth
Chris@909:       out['bits'] /= out['channels'] if out['channels']
Chris@909:     end
Chris@909:     
Chris@909:     out
Chris@909:   end
Chris@909:   
Chris@909: end