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# coding: UTF8
# Copyright 2009 Thomas Jourdan
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import cairo
import model_layer
image_list = []
class ReferencePattern(model_layer.Layer):
"""ReferencePattern
"""
def __init__(self, trunk):
"""Constructor for bitmap image layer."""
super(ReferencePattern, self).__init__(trunk)
def __eq__(self, other):
"""Equality based on the cells color components."""
equal = isinstance(other, ReferencePattern) \
and super(ReferencePattern, self).__eq__(other)
return equal
def randomize(self):
"""Randomize the layers components."""
super(ReferencePattern, self).randomize()
def mutate(self):
"""Make small random changes to the layers components."""
super(ReferencePattern, self).mutate()
def shuffle(self):
"""Shuffle similar componets."""
super(ReferencePattern, self).shuffle()
def crossingover(self, other):
"""
pre: isinstance(other, ReferencePattern)
pre: isinstance(self, ReferencePattern)
# check for distinct references, needs to copy content, not references
post: __return__ is not self
post: __return__ is not other
"""
new_one = ReferencePattern(self.get_trunk())
return new_one
def draw(self, ctx, width, height):
"""
pre: ctx is not None
pre: width > 0
pre: height > 0
pre: width == height
"""
self.begin_draw(ctx, width, height)
ctx.set_source_rgba(1.0, 1.0, 1.0, 0.5)
ctx.rectangle(-0.5, -0.5, 1.0, 1.0)
ctx.fill()
linear = cairo.LinearGradient(-0.5, -0.5, 1.0, 1.0)
linear.add_color_stop_rgba(0.00, 1.0, 0.0, 0.0, 1.0)
linear.add_color_stop_rgba(1.00, 1.0, 1.0, 0.0, 0.0)
ctx.rectangle(-0.5, -0.5, 1.0, 1.0)
ctx.set_source(linear)
ctx.fill()
ctx.set_line_width(0.05)
ctx.set_source_rgba(0.0, 0.0, 0.0, 0.5)
ctx.rectangle(-0.5, -0.5, 1.0, 1.0)
ctx.stroke()
ctx.set_source_rgba(1.0, 1.0, 1.0, 0.25)
ctx.select_font_face("Sans",
cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD)
ctx.set_font_size(0.2)
text = 'L'
ctx.move_to(0.0, 0.0)
ctx.show_text(text)
ctx.set_font_size(0.03)
for ix in range(11):
for iy in range(11):
ctx.move_to(ix/10.0-0.5, iy/10.0-0.5)
ctx.show_text(str(ix)+'&'+str(iy))
ctx.set_line_width(0.01)
ctx.set_source_rgba(0.75, 0.75, 0.75, 0.75)
diagonal = 0.05
ctx.move_to(-diagonal, -diagonal)
ctx.line_to( diagonal, diagonal)
ctx.move_to( diagonal, -diagonal)
ctx.line_to(-diagonal, diagonal)
ctx.stroke()
def explain(self, formater):
"""
pre: formater is not None
"""
# super(ReferencePattern, self).explain(formater)
pass
def copy(self):
"""The Voronoi diagram layers copy constructor.
# check for distinct references, needs to copy content, not references
post: __return__ is not self
"""
new_one = ReferencePattern(self.get_trunk())
self.copy_base(new_one)
return new_one
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