From: "Bashar A. Asad" <baasad@...>
Date: 2001-12-27T20:39:16+09:00
Subject: [ruby-talk:29470] Re: imageMagick

hi,
but this will create me only one image file, instead of one thumb image for 
every image in the dir as a separate file with different name.
thanks
bashar

On Thursday 27 December 2001 07:21, you wrote:
> Hi,
>
> At Thu, 27 Dec 2001 10:26:31 +0900,
>
> Bashar Asad wrote:
> > hello,
> > I wrote a very small script that will take one image file and create a
> > thumb image for it.  How can I make my script read all the image files in
> > the directory and create the thumbs?
> >
> > the script:
> > require "magick"
> >
> > #read file image.jpg
> > imagefile = Magick::Image.new("image.gif")
> >
> > #scaling the image
> > imaget = imagefile.dup
> > imaget.scale('60%')
> >
> > #writing out the thumb file
> > imaget.write("filename"=>"imagethumb.gif")
>
> please try this for example:
>
> require 'magick'
>
> # create a null image object.
> im_seq = Magick::Image.new
>
> # create a image sequence object which consists of
> # all the GIF images(scaled at 60%) in the directory.
> Dir.glob("/path/to/directory/*.gif") do |f|
>   im_seq.push Magick::Image.new(f).scale('60%')
> end
>
> # create a thumbnail image.
> # Images are arranged so that the thumbnail has 5 columns.
> # Because ImageMagick automatically calculates
> # the appropriate row size enough to draw all the images,
> # I specified an arbitraly large rows.
> thumbnail = im_seq.montage({'tile'=>'5x1000'})
>
> # output
> thumbnail.write('filename'=>'imagethumb.gif')
>
> The reference manual lacks the description for
> some useful features of color and geometry specifications,
> and montages options are merely listed without any
> description. Following documents would be helpful.
> Sorry for inconvinience.
>
> ImageMagick-5.x.x/www/color.html
> ImageMagick-5.x.x/Magick++/Geometry.htm
> ImageMagick-5.x.x/montage.html, or montage(1)
>
>
> Regards,
>
> Ryuichi Tamura