SoundSoftware Code Site

# 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 RFPDF

  # 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