Class: Pango::Matrix
- Inherits:
-
Object
- Object
- Pango::Matrix
- Defined in:
- lib/pango/matrix.rb
Instance Method Summary collapse
- #concat(matrix) ⇒ Object (also: #+)
-
#initialize(xx = nil, xy = nil, yx = nil, yy = nil, x0 = nil, y0 = nil) ⇒ Matrix
constructor
A new instance of Matrix.
- #initialize_raw ⇒ Object
- #rotate(degree) ⇒ Object
- #scale(scale_x, scale_y) ⇒ Object
- #to_a ⇒ Object
- #translate(tx, ty) ⇒ Object
Constructor Details
#initialize(xx = nil, xy = nil, yx = nil, yy = nil, x0 = nil, y0 = nil) ⇒ Matrix
Returns a new instance of Matrix.
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# File 'lib/pango/matrix.rb', line 20 def initialize(xx=nil, xy=nil, yx=nil, yy=nil, x0=nil, y0=nil) initialize_raw self.xx = xx || 1.0 self.xy = xy || 0.0 self.yx = yx || 0.0 self.yy = yy || 1.0 self.x0 = x0 || 0.0 self.y0 = y0 || 0.0 end |
Instance Method Details
#concat(matrix) ⇒ Object Also known as: +
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# File 'lib/pango/matrix.rb', line 57 def concat(matrix) copied_matrix = dup copied_matrix.concat!(matrix) copied_matrix end |
#initialize_raw ⇒ Object
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# File 'lib/pango/matrix.rb', line 19 alias_method :initialize_raw, :initialize |
#rotate(degree) ⇒ Object
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# File 'lib/pango/matrix.rb', line 51 def rotate(degree) copied_matrix = dup copied_matrix.rotate!(degree) copied_matrix end |
#scale(scale_x, scale_y) ⇒ Object
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# File 'lib/pango/matrix.rb', line 45 def scale(scale_x, scale_y) copied_matrix = dup copied_matrix.scale!(scale_x, scale_y) copied_matrix end |
#to_a ⇒ Object
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# File 'lib/pango/matrix.rb', line 30 def to_a [ xx, xy, yx, yy, x0, y0, ] end |
#translate(tx, ty) ⇒ Object
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# File 'lib/pango/matrix.rb', line 39 def translate(tx, ty) copied_matrix = dup copied_matrix.translate!(tx, ty) copied_matrix end |