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Versions: 103
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Contents
# Copyright (C) 2017 Ruby-GNOME2 Project Team
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
module Pango
class Matrix
alias_method :initialize_raw, :initialize
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
def to_a
[
xx, xy,
yx, yy,
x0,
y0,
]
end
def translate(tx, ty)
copied_matrix = dup
copied_matrix.translate!(tx, ty)
copied_matrix
end
def scale(scale_x, scale_y)
copied_matrix = dup
copied_matrix.scale!(scale_x, scale_y)
copied_matrix
end
def rotate(degree)
copied_matrix = dup
copied_matrix.rotate!(degree)
copied_matrix
end
def concat(matrix)
copied_matrix = dup
copied_matrix.concat!(matrix)
copied_matrix
end
alias_method :+, :concat
end
end
Version data entries
103 entries across 103 versions & 1 rubygems