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|
#!/usr/bin/ruby
$sw, $sh = `xrandr --screen 0`
.split("\n")[0]
.sub(/^.+current (\d+) x (\d+).+$/, "\\1 \\2")
.split(" ")
.map(&:to_i)
$dims = {}
def image_dimensions img
unless $dims[img]
iw, ih = `identify -format "%w %h" "#{img}"`
.split(" ")
.map(&:to_i)
$dims[img] = [iw, ih]
end
$dims[img]
end
def image_fits? img
iw, ih = image_dimensions img
(iw >= $sw && ih >= $sh) &&
((iw > ih && $sw > $sh) ||
(ih > iw && $sh > $sw))
end
def better_fit? new, old
oiw, oih = image_dimensions old
niw, nih = image_dimensions new
if ($sh - nih).abs < ($sh - oih).abs ||
($sw - niw).abs < ($sw - oiw).abs
new
else
old
end
end
def get_appropriate_version img
upscale = img.sub(/\.(\w+)/, "_upscale.\\1")
if !image_fits?(img) && File.exist?(upscale)
return upscale
end
crop = img.sub(/\.(\w+)/, "_crop.\\1")
if File.exist?(crop) && better_fit?(img, crop)
return get_appropriate_version crop
end
return img
end
# def main
# walldir = ARGV[0] || File.expand_path("~/img/wallpapers")
# Dir[File.join(walldir, "**/*")]
# .select {|f| File.file? f }
# .reject {|img| img =~ /_(upscale|crop)\./ }
# .shuffle
# .find do |img|
# i = get_appropriate_version img
# if image_fits? i
# puts i
# exit
# end
# end
# end
def main
walldir = ARGV[0] || File.expand_path("~/img/wallpapers")
Dir[File.join(walldir, "**/*")]
.select {|f| File.file? f }
.each {|img| puts "#{img}\t#{image_fits? img}" }
end
main if __FILE__ == $0
|
