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##
## CONFIGURATION
##
output_directories = [
'android',
'android/res',
'android/res/drawable-ldpi',
'android/res/drawable-mdpi',
'android/res/drawable-hdpi',
'android/res/drawable-xhdpi',
'mac',
'status/dark/16',
'status/dark/32',
'status/dark/64',
'status/light/16',
'status/light/32',
'status/light/64',
'qt/dark/16',
'qt/dark/32',
'qt/dark/64',
'qt/light/16',
'qt/light/32',
'qt/light/64'
]
android_launcher_target = [
{:size => 36, :dpi => 120, :dest => 'android/res/drawable-ldpi'},
{:size => 48, :dpi => 160, :dest => 'android/res/drawable-mdpi'},
{:size => 72, :dpi => 240, :dest => 'android/res/drawable-hdpi'},
{:size => 96, :dpi => 320, :dest => 'android/res/drawable-xhdpi'}
]
android_icon_target = [
{:size => 18, :dpi => 120, :dest => 'android/res/drawable-ldpi'},
{:size => 24, :dpi => 160, :dest => 'android/res/drawable-mdpi'},
{:size => 36, :dpi => 240, :dest => 'android/res/drawable-hdpi'},
{:size => 48, :dpi => 320, :dest => 'android/res/drawable-xhdpi'}
]
status_dark_icon_target = [
{:size => 16, :dest => 'status/dark/16'},
{:size => 32, :dest => 'status/dark/32'},
{:size => 64, :dest => 'status/dark/64'}
]
status_light_icon_target = [
{:size => 16, :dest => 'status/light/16'},
{:size => 32, :dest => 'status/light/32'},
{:size => 64, :dest => 'status/light/64'}
]
qt_dark_icon_target = [
{:size => 16, :dest => 'qt/dark/16'},
{:size => 32, :dest => 'qt/dark/32'},
{:size => 64, :dest => 'qt/dark/64'}
]
qt_light_icon_target = [
{:size => 16, :dest => 'qt/light/16'},
{:size => 32, :dest => 'qt/light/32'},
{:size => 64, :dest => 'qt/light/64'}
]
svg_to_png = [
['svg/android/leap-launcher.svg', android_launcher_target],
['svg/android/leap-launcher.svg', {:size => 512, :dest => 'android/leap-icon.png'}],
['svg/android/icons/*.svg', android_icon_target],
['svg/status/dark/*.svg', status_dark_icon_target],
['svg/status/light/*.svg', status_light_icon_target],
['svg/qt/dark/*.svg', qt_dark_icon_target],
['svg/qt/light/*.svg', qt_light_icon_target],
['svg/android/leap-launcher.svg', {:size => 128, :dest => 'mac/leap-128x128.png'}],
['svg/kid-jumping.svg', {:width => 128, :dest => 'qt/leap-small.png'}]
]
png_to_icns = [
[['mac/leap-128x128.png'], 'mac/leap.icns']
]
##
## HELPERS
##
def run(cmd)
system(cmd + ' >/dev/null 2>/dev/null')
unless $? == 0
puts "ERROR: failed to run #{cmd}"
puts "bailing out."
exit
end
end
def render_svg_to_png(source, targets)
Dir.glob(source).each do |src_file|
[targets].flatten.each do |target|
dest_file = if File.directory?(target[:dest])
File.join(target[:dest], File.basename(src_file).sub(/\.svg$/,'.png'))
else
target[:dest]
end
if target[:size]
height = width = target[:size]
else
height = target[:height]
width = target[:width]
end
options = ["--file=#{src_file}", "--export-png=#{dest_file}", "--export-background=0xffffff", "--export-background-opacity=0x00"]
options << "-w #{width}" if width
options << "-h #{height}" if height
options << "--export-dpi=#{target[:dpi]}" if target[:dpi]
run("inkscape #{options.join ' '}")
run("optipng #{dest_file}")
progress
end
end
end
def render_png_to_icns(sources, target)
run("png2icns #{target} #{sources.join(' ')}")
progress
end
def progress
putc '.'
STDOUT.flush
end
##
## RENDER TASK
##
require 'fileutils'
task :default => :render
desc "render SVG images to PNGs"
task :render do
Dir.chdir(File.dirname(__FILE__)) do
output_directories.each do |dir|
FileUtils.mkdir_p(dir)
Dir.entries(dir).grep(/\.(png|icns|jpg)$/).each do |file|
File.unlink File.join(dir,file)
end
end
svg_to_png.each do |source, targets|
render_svg_to_png(source, targets)
end
png_to_icns.each do |sources, target|
render_png_to_icns(sources, target)
end
end
puts
end
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