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