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# coding: UTF-8
# Copyright 2009, 2010 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
from gettext import gettext as _
import cairo
import ka_debug
import model_locus
import model_allele
import model_treenode
import exon_color
TRUNK = '/'
class Protozoon(model_allele.Allele):
"""
inv: self.treenode is not None
#CLEAR inv: isinstance(self.background, exon_color.Color)
"""
def __init__(self):
super(Protozoon, self).__init__(TRUNK)
self.treenode = model_treenode.TreeNode(TRUNK)
self.background = exon_color.Color(self.path, 0, 0, 0, 1)
def dot(self):
result = ""
anchor = ka_debug.dot_id(self) + ' -> '
for ref in [self.treenode, self.background]:
result += ka_debug.dot_ref(anchor, ref)
return result
def __eq__(self, other):
"""Equality based on layers quantity and content."""
equal = isinstance(other, Protozoon) \
and self.treenode == other.treenode \
and self.background == other.background
return equal
def randomize(self):
"""Randomize the protozoons components.
"""
self.treenode.randomize()
self.background.randomize()
def mutate(self):
"""Make random changes to the protozoon.
"""
self.treenode.mutate()
# mutate background color
self.background.mutate()
def swap_places(self):
"""Delegate swapping to the protozoons components."""
self.treenode.swap_places()
def crossingover(self, other):
"""Returns a deep copy mixed from my protozoon and the other protozoon.
pre: isinstance(other, Protozoon)
# check for distinct references, needs to copy content, not references
post: __return__ is not self
post: __return__ is not other
post: model_locus.unique_check(__return__, self, other) == ''
"""
# deep copy
new_one = Protozoon()
# crossing over the layers
new_one.treenode = self.treenode.crossingover(other.treenode).copy()
# crossing over the background color
new_one.background = self.background.crossingover(other.background)
return new_one
def render(self, task, ctx, width, height):
"""
pre: ctx is not None
pre: width > 0
pre: height > 0
pre: width == height
"""
ctx.save()
# ka_debug.matrix_s(ctx.get_matrix())
ctx.scale(float(width), float(height))
# ka_debug.matrix(ctx.get_matrix())
ctx.translate(0.5, 0.5)
# ka_debug.matrix(ctx.get_matrix())
# paint background
# ctx.set_operator(cairo.OPERATOR_CLEAR)
ctx.set_operator(cairo.OPERATOR_SOURCE)
rgb = self.background.rgba
ctx.set_source_rgba(rgb[0], rgb[1], rgb[2], 1.0)
ctx.paint()
self.treenode.render(task, ctx, width, height)
# ka_debug.matrix_r(ctx.get_matrix())
ctx.restore()
def explain(self, task, formater):
"""Explain all layers and mergers."""
# begin with header
titel = _('protozoon ') + self.get_unique_id()
formater.header(titel)
# display combined layers
width = height = 256
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height)
ctx = cairo.Context(surface)
ctx.set_operator(cairo.OPERATOR_SOURCE)
ctx.set_source_rgb(0, 0, 0)
ctx.paint()
self.render(task, ctx, width, height)
formater.surface_item(surface, _('Final image, all layers are combined'), titel)
#explain background color
formater.color_item(self.background, _('background color:'), alpha=False)
# explain all layers from top to bottom
self.treenode.explain(task, formater)
# stop with footer
formater.footer()
def copy(self):
""" The protozoons copy constructor.
"""
new_one = Protozoon()
new_one.treenode = self.treenode.copy()
new_one.background = self.background.copy()
return new_one
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