Class: Camalian::Image
- Inherits:
-
Object
- Object
- Camalian::Image
- Defined in:
- lib/camalian/image.rb
Instance Attribute Summary collapse
-
#src_file_path ⇒ Object
Returns the value of attribute src_file_path.
Instance Method Summary collapse
-
#initialize(file_path) ⇒ Image
constructor
A new instance of Image.
- #prominent_colors(count = Camalian.options[:color_count]) ⇒ Object
Constructor Details
#initialize(file_path) ⇒ Image
Returns a new instance of Image.
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# File 'lib/camalian/image.rb', line 7 def initialize(file_path) @src_file_path = file_path end |
Instance Attribute Details
#src_file_path ⇒ Object
Returns the value of attribute src_file_path.
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# File 'lib/camalian/image.rb', line 5 def src_file_path @src_file_path end |
Instance Method Details
#prominent_colors(count = Camalian.options[:color_count]) ⇒ Object
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# File 'lib/camalian/image.rb', line 11 def prominent_colors(count=Camalian.[:color_count]) image = ::Magick::Image.read(@src_file_path)[0] image.resize!(100,100) colors = Palette.new initial_count = count q = nil loop do q = image.quantize(initial_count, Magick::RGBColorspace) break if q.color_histogram.size > count initial_count = initial_count + 10 end palette = q.color_histogram.sort {|a, b| b[1] <=> a[1]} (0..[count, palette.count].min - 1).each do |i| c = palette[i].first.to_s.split(',').map {|x| x[/\d+/]} c.pop c[0], c[1], c[2] = [c[0], c[1], c[2]].map { |s| s = s.to_i s = s / 255 if s / 255 > 0 # not all ImageMagicks are created equal.... s } colors << Color.new(c[0],c[1],c[2]) end return colors.uniq(&:to_hex) end |