On Wednesday 24 Jun 2015 01:02:35 waben...@gmail.com wrote: > hw <h...@gartencenter-vaehning.de> wrote: > > Hi, > > > > suppose I have a number of images that need to be displayed side by > > side in a nice layout. The images are of different sizes and have > > different aspect ratios. > > > > To fit the images into the layout, I can scale the images either by > > height or width or by percantage, and they will look messy in the > > layout because I need to keep their aspect ratio when scaling them. > > > > So what I need to do is put a frame around each image just as needed > > when scaling it so that I will end up with all the images having the > > same size while maintaining their aspect ratio. > > > > I guess 'convert' (from imagemagick) or 'ffmpeg' can do this, yet I > > couldn't find out how. > > > > > > (In this particular case, I would set a default size to scale all > > images to rather than doing something more complicated like examine > > all images in advance to compute a good size to use from the largest > > or smallest one or from their average dimensions.) > > > > > > Any ideas how to do this? > > Look here: > > http://stackoverflow.com/questions/1787356/use-imagemagick-to-place-an-imag > e-inside-a-larger-canvas > > You must add a resize paremeter as this example is only for placing an > image inside a larger canvas. :-) > > You can easily find more examples in the Internet. > > -- > Regards > wabe
Give this a spin, or modify accordingly to suit your needs:
============================================
#!/bin/bash
for i in *.JPG; do
name=${i%.JPG}
convert -resize 900x675 ${i} ${name}_s.jpg
done
============================================
--
Regards,
Mick
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