class YAMG::Icon
ICONS
Attributes
dpi[RW]
icons[RW]
img[RW]
radius[RW]
rounded[RW]
rounded?[RW]
size[RW]
src[RW]
Public Class Methods
new(src, size, bg = nil, rounded = false, radius = 9)
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Icon.new
(src, size, rounded).image Image class Icon.new
(src, size, rounded).image('.path.ext') Export image
ICO: 16/32/48
# File lib/yamg/icon.rb, line 19 def initialize(src, size, bg = nil, rounded = false, radius = 9) raise 'No source' if src.nil? || src.empty? @src = src @size = size @rounded = rounded @icons = YAMG.load_images(src) YAMG.puts_and_exit("No sources in '#{src}'") if icons.empty? @choosen = File.join(src, find_closest_gte_icon) @radius = radius || 9 # @dpi = 90 @bg = bg end
Public Instance Methods
apply_background()
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# File lib/yamg/icon.rb, line 89 def apply_background clone = ::MiniMagick::Image.open img.path clone.combine_options do |o| o.draw 'color 0,0 reset' o.fill @bg end clone.composite(img) { |i| i.compose 'Over' } end
dimensions()
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# File lib/yamg/icon.rb, line 46 def dimensions img.dimensions.join(',') end
find_closest_gte_icon()
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# File lib/yamg/icon.rb, line 33 def find_closest_gte_icon proc = ->(x) { x.tr('^0-9', '').to_i } return icons.max_by(&proc) if icons.map(&proc).max < size icons.min_by do |f| n = proc.call(f) size > n ? Float::INFINITY : n end end
ico!(out)
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ICO!
# File lib/yamg/icon.rb, line 104 def ico!(out) temp = ->(s) { "/tmp/#{s}-#{Thread.current.object_id}.png" } MiniMagick::Tool::Convert.new do |o| o << Icon.new(@src, 16).image(temp.call(16)) o << Icon.new(@src, 32).image(temp.call(32)) o << Icon.new(@src, 48).image(temp.call(48)) o.colors 256 o << out end end
image(out = nil)
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# File lib/yamg/icon.rb, line 115 def image(out = nil) return svg! if out =~ /svg$/ return ico!(out) if out =~ /ico$/ temp = out || "/tmp/#{@choosen.object_id}.png" if File.extname(@choosen) =~ /svg/ pixels = dpi ? "-d #{dpi} -p #{dpi}" : nil args = "#{pixels} -w #{size} -h #{size} -f png" YAMG.run_rsvg(@choosen, temp, args) @img = MiniMagick::Image.open(temp) @img.format File.extname(out) if out else @img = MiniMagick::Image.open(@choosen) @img.format File.extname(out) if out @img.resize size # "NxN" end @img = apply_background if @bg @img = round if rounded? out ? write_out(out) : img end
round()
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Maybe this can be smaller, terminal equivalent: convert -size 512x512 xc:none -draw “roundrectangle 0,0,512,512,55,55” mask.png convert icon.png -matte mask.png -compose DstIn -composite picture_with_rounded_corners.png gist.github.com/artemave/c20e7450af866f5e7735
# File lib/yamg/icon.rb, line 59 def round mask = MiniMagick::Image.open(img.path) mask.format 'png' mask.combine_options do |m| m.alpha 'transparent' m.background 'none' m.draw "roundrectangle 0,0,#{dimensions},#{radius}" end overlay = ::MiniMagick::Image.open img.path overlay.format 'png' overlay.combine_options do |o| o.alpha 'transparent' o.background 'none' o.draw "roundrectangle 0,0,#{dimensions},#{radius}" end masked = img.composite(mask, 'png') do |i| i.alpha 'set' i.compose 'DstIn' end masked.composite(overlay, 'png') do |i| i.compose 'Over' end masked end
svg!()
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Just copy the svg, never resize
# File lib/yamg/icon.rb, line 99 def svg! raise unless @icons.find { |i| File.extname(i) == 'svg' } end
write_out(path = nil)
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Writes image to disk
# File lib/yamg/icon.rb, line 138 def write_out(path = nil) return img unless path FileUtils.mkdir_p File.dirname(path) img.write(path) path rescue Errno::ENOENT puts_and_exit("Path not found '#{path}'") end