#!python3

import os
import PythonMagick


def smallAndThumbnail(fname, smallpath, thumbnailpath):

    name, ext = os.path.splitext(os.path.basename(fname))
    smallfname = os.path.join(smallpath, name + '.jpg')
    thumbfname = os.path.join(thumbnailpath, name + '.jpg')
 
    img = PythonMagick.Image()    # empty object first
    img.density('300')            # set the density for readeing; must be as a string
    img.read(fname + '[0]')       # read the first page of PDF

    # Background color.
    bgcolor = 'white'             # can have the form '#ffffff'
    
    # The small image first.
    geometry = '220x220'
    imgResult = PythonMagick.Image(geometry, bgcolor)  # init -- the square of the colour
    imgCopy = PythonMagick.Image(img)                  # make a copy
    imgCopy.sample(geometry)
    imgResult.composite(imgCopy, 
                        PythonMagick.GravityType.CenterGravity, 
                        PythonMagick.CompositeOperator.CopyCompositeOp)
    imgResult.write(smallfname)

    # The thumbnail.
    geometry = '48x48'
    imgResult = PythonMagick.Image(geometry, bgcolor)  # init -- the square of the colour
    imgCopy = PythonMagick.Image(img)                  # make a copy
    imgCopy.sample(geometry)
    imgResult.composite(imgCopy, 
                        PythonMagick.GravityType.CenterGravity, 
                        PythonMagick.CompositeOperator.CopyCompositeOp)
    imgResult.write(thumbfname)


if __name__ == '__main__':

    smallAndThumbnail('./pdf/a.pdf', './small', './thumbnail')

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