# File lib/rvg/transformable.rb, line 37
37:         def initialize(*args, &block)
38:             super()
39:             @transforms = Transforms.new
40:         end

    # File lib/rvg/transformable.rb, line 45
45:         def matrix(sx, rx, ry, sy, tx, ty)
46:             begin
47:                 @transforms << [:affine, [Float(sx), Float(rx), Float(ry), Float(sy), Float(tx), Float(ty)]]
48:             rescue ArgumentError
49:                 raise ArgumentError, "arguments must be convertable to float (got #{sx.class}, #{rx.class}, #{ry.class}, #{sy.class}, #{sx.class}, #{sx.class}, #{tx.class}, #{ty.class})"
50:             end
51:             yield(self) if block_given?
52:             self
53:         end

     # File lib/rvg/transformable.rb, line 86
 86:         def rotate(angle, *args)
 87:             begin
 88:                 case args.length
 89:                     when 0
 90:                         @transforms << [:rotate, [Float(angle)]]
 91:                     when 2
 92:                         cx, cy = Float(args[0]), Float(args[1])
 93:                         @transforms << [:translate, [cx, cy]]
 94:                         @transforms << [:rotate, [angle]]
 95:                         @transforms << [:translate, [-cx, -cy]]
 96:                     else
 97:                         raise ArgumentError, "wrong number of arguments (#{args.length} for 1 or 3)"
 98:                 end
 99:             rescue ArgumentError
100:                 raise ArgumentError, "arguments must be convertable to float (got #{[angle, *args].collect {|a| a.class}.join(', ')})"
101:             end
102:             yield(self) if block_given?
103:             self
104:         end

    # File lib/rvg/transformable.rb, line 71
71:         def scale(sx, sy=nil)
72:             sy ||= sx
73:             begin
74:                 @transforms << [:scale, [Float(sx), Float(sy)]]
75:             rescue ArgumentError
76:                 raise ArgumentError, "arguments must be convertable to float (got #{sx.class}, #{sy.class})"
77:             end
78:             yield(self) if block_given?
79:             self
80:         end

     # File lib/rvg/transformable.rb, line 107
107:         def skewX(angle)
108:             begin
109:                 @transforms << [:skewx, [Float(angle)]]
110:             rescue ArgumentError
111:                 raise ArgumentError, "argument must be convertable to float (got #{angle.class})"
112:             end
113:             yield(self) if block_given?
114:             self
115:         end

     # File lib/rvg/transformable.rb, line 118
118:         def skewY(angle)
119:             begin
120:                 @transforms << [:skewy, [Float(angle)]]
121:             rescue ArgumentError
122:                 raise ArgumentError, "argument must be convertable to float (got #{angle.class})"
123:             end
124:             yield(self) if block_given?
125:             self
126:         end

    # File lib/rvg/transformable.rb, line 58
58:         def translate(tx, ty=nil)
59:             ty ||= tx
60:             begin
61:                 @transforms << [:translate, [Float(tx), Float(ty)]]
62:             rescue ArgumentError
63:                 raise ArgumentError, "arguments must be convertable to float (got #{tx.class}, #{ty.class})"
64:             end
65:             yield(self) if block_given?
66:             self
67:         end

    # File lib/rvg/transformable.rb, line 33
33:         def add_transform_primitives(gc)
34:             @transforms.each { |transform| gc.__send__(transform[0], *transform[1]) }
35:         end