Class: YAMG::Splash

Inherits:
Object
  • Object
show all
Defined in:
lib/yamg/splash.rb

Overview

SPLASH

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(src, size, background) ⇒ Splash

Splash

Splash.new(src, size, rounded).image Image class

Icon.new(src, size, rounded).image(‘.path.ext’) Export image



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# File 'lib/yamg/splash.rb', line 18

def initialize(src, size, background)
  @src = src
  @size = size
  @bg = background
  @assets = YAMG.load_images(src)
  YAMG.puts_and_exit("No sources in '#{src}'") if assets.empty?
  %w(bg background wallpaper).each do |i|
    @wallpaper = assets.delete("#{i}.png")
  end
  if (center = assets.delete('center.png'))
    @center =  File.join(src, center)
  end
  @center ||= File.join(File.dirname(__FILE__), 'assets', 'dot.png')
  @img = MiniMagick::Image.open(@center)
end

Instance Attribute Details

#assets ⇒ Object

Returns the value of attribute assets.



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# File 'lib/yamg/splash.rb', line 7

def assets
  @assets
end

#bg ⇒ Object

Returns the value of attribute bg.



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# File 'lib/yamg/splash.rb', line 7

def bg
  @bg
end

#img ⇒ Object

Returns the value of attribute img.



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# File 'lib/yamg/splash.rb', line 7

def img
  @img
end

#size ⇒ Object

Returns the value of attribute size.



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# File 'lib/yamg/splash.rb', line 7

def size
  @size
end

#src ⇒ Object

Returns the value of attribute src.



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# File 'lib/yamg/splash.rb', line 7

def src
  @src
end

Instance Method Details

#compose(other, name) ⇒ Object 



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# File 'lib/yamg/splash.rb', line 47

def compose(other, name)
  img.composite(other) do |o|
    o.gravity File.basename(name, '.*')
    o.compose 'Over'
    padding = name =~ /east|west/ ? '+40%' : '+0%'
    padding += name =~ /north|south/ ? '+40%' : '+0%'
    o.geometry padding
  end
end

#image(out = nil) ⇒ Object

Outputs instance or writes image to disk



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# File 'lib/yamg/splash.rb', line 72

def image(out = nil)
  splash_start
  splash_composite
  return img unless out
  FileUtils.mkdir_p File.dirname(out)
  img.write(out)
rescue Errno::ENOENT
  YAMG.puts_and_exit("Path not found '#{out}'")
end

#splash_composite ⇒ Object

Composite 9 gravity



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# File 'lib/yamg/splash.rb', line 60

def splash_composite
  max = size.min / 9
  assets.each do |over|
    other = MiniMagick::Image.open(File.join(src, over))
    other.resize(max) if other.dimensions.max >= max
    self.img = compose(other, over)
  end
end

#splash_start ⇒ Object

Center image



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# File 'lib/yamg/splash.rb', line 37

def splash_start
  icon_size = size.min / 5
  img.resize icon_size if img.dimensions.max >= icon_size
  img.combine_options do |o|
    o.gravity 'center'
    o.background bg if bg
    o.extent size.join('x') # "WxH"
  end
end