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require 'rmagick' | |
# file name | |
img_file_name = ARGV[0] | |
/(.+).png/ =~ img_file_name | |
base_img_file_name = $1 | |
# get image data | |
img_data = Magick::ImageList.new(img_file_name) | |
xxhdpi_width = img_data.columns | |
xxhdpi_height = img_data.rows | |
RESIZE_IMAGES = [ | |
{ | |
'dir' => 'mdpi', | |
'scale' => 1.0 | |
}, | |
{ | |
'dir' => 'hdpi', | |
'scale' => 1.5 | |
}, | |
{ | |
'dir' => 'xhdpi', | |
'scale' => 2.0 | |
}, | |
{ | |
'dir' => 'xxhdpi', | |
'scale' => 3.0 | |
} | |
] | |
# resize image | |
mdpi_width = xxhdpi_width / 3 | |
mdpi_height = xxhdpi_height / 3 | |
img = Magick::Image.read(img_file_name).first | |
Dir.mkdir(base_img_file_name, 0755) | |
RESIZE_IMAGES.each do |resize_images| | |
dir = base_img_file_name + '/' + resize_images['dir'] | |
width = mdpi_width * resize_images['scale'] | |
height = mdpi_height * resize_images['scale'] | |
Dir.mkdir(dir, 0755) | |
img.resize(width, height).write(dir + '/' + img_file_name) | |
end | |
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#!/bin/sh | |
#xxhdpiから適当に各解像度毎の画像を生成 | |
#ldpiはmdpi用意しておけば良いので要らない(公式) | |
#xxxhdpiにも対応したい。というか引数で指定するようにしてmutableな感じにしたい | |
if [ -z $1 ] ; then | |
echo "Please set \$1 xxhdpi file" | |
exit | |
fi | |
if [[ $1 =~ ^(.+).png$ ]] ; then | |
file_name=${BASH_REMATCH[0]} | |
dir_name=${BASH_REMATCH[1]} | |
# Get width | |
xxhdpi_width=`identify -format "%w" $1` | |
mdpi_width=`expr $xxhdpi_width / 3` | |
hdpi_width=`expr $mdpi_width + $mdpi_width / 2` | |
xhdpi_width=`expr $mdpi_width \* 2` | |
# Create files | |
`mkdir -p $dir_name/mdpi` | |
`convert -verbose -resize $mdpi_width $1 $dir_name/mdpi/$file_name` | |
`mkdir -p $dir_name/hdpi` | |
`convert -verbose -resize $hdpi_width $1 $dir_name/hdpi/$file_name` | |
`mkdir -p $dir_name/xhdpi` | |
`convert -verbose -resize $xhdpi_width $1 $dir_name/xhdpi/$file_name` | |
`mkdir -p $dir_name/xxhdpi` | |
`convert -verbose -resize $xxhdpi_width $1 $dir_name/xxhdpi/$file_name` | |
else | |
echo "\$1 is not png file" | |
fi | |
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