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# coding: UTF-8
# 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 model_random
import ka_debug
import ka_factory
import model_locus
import model_layer
import model_constraintpool
import exon_position
from gettext import gettext as _
SAMPLERTYPE_CONSTRAINT = 'samplertypeconstraint'
COLORGAMUTTYPE_CONSTRAINT = 'colorgamuttypeconstraint'
class FilledSpline(model_layer.Layer):
"""FilledSpline
"""
cdef = [{'bind' : 'length',
'name' : 'Number of interpolation points',
'domain': model_constraintpool.INT_RANGE,
'min' : 4, 'max': 32},
{'bind' : 'line_width',
'name' : 'Line width',
'domain': model_constraintpool.FLOAT_RANGE,
'min' : 0.001, 'max': 0.25},
{'bind' : 'roundness',
'name' : 'Roundness of spline',
'domain': model_constraintpool.FLOAT_RANGE,
'min' : 0.1, 'max': 20.0},
{'bind' : SAMPLERTYPE_CONSTRAINT,
'name' : 'Permitted sampler types',
'domain': model_constraintpool.STRING_M_OF_N,
'enum' : ka_factory.get_factory('sampler').keys()},
{'bind' : COLORGAMUTTYPE_CONSTRAINT,
'name' : 'Permitted color gamut',
'domain': model_constraintpool.STRING_M_OF_N,
'enum' : ka_factory.get_factory('colorgamut').keys()},
]
def __init__(self, trunk):
"""FilledSpline diagram layer constructor"""
super(FilledSpline, self).__init__(trunk)
cpool = model_constraintpool.ConstraintPool.get_pool()
colorgamut_factory = ka_factory.get_factory('colorgamut')
colorgamut_key = colorgamut_factory.keys()[0]
self.colorgamut = colorgamut_factory.create(colorgamut_key, self.path)
self.linecolor = self.colorgamut.get_randomized_color(self.path)
self.fillcolor = self.colorgamut.get_randomized_color(self.path)
self.line_width = cpool.get(self, 'line_width')[0]
self.roundness = cpool.get(self, 'roundness')[0]
self.center = exon_position.Position(self.path, 0.0, 0.0)
sampler_factory = ka_factory.get_factory('sampler')
sampler_key = sampler_factory.keys()[0]
self.sampler = sampler_factory.create(sampler_key, self.path)
def dot(self):
result = ""
anchor = ka_debug.dot_id(self) + ' -> '
for ref in [self.colorgamut, self.linecolor, self.fillcolor, self.center, self.sampler]:
result += ka_debug.dot_ref(anchor, ref)
return result
def __eq__(self, other):
"""Equality based on the objects components."""
equal = isinstance(other, FilledSpline) \
and super(FilledSpline, self).__eq__(other) \
and self.linecolor == other.linecolor \
and self.fillcolor == other.fillcolor \
and self.line_width == other.line_width \
and self.roundness == other.roundness \
and self.center == other.center \
and self.sampler == other.sampler \
and self.colorgamut == other.colorgamut
return equal
def randomize(self):
"""Randomize the layers components."""
super(FilledSpline, self).randomize()
cpool = model_constraintpool.ConstraintPool.get_pool()
line_width_constraint = cpool.get(self, 'line_width')
roundness_constraint = cpool.get(self, 'roundness')
colorgamut_factory = ka_factory.get_factory('colorgamut')
colorgamuttype_constraint = cpool.get(self, COLORGAMUTTYPE_CONSTRAINT)
self.colorgamut = colorgamut_factory.create_random(colorgamuttype_constraint,
self.path)
self.colorgamut.randomize()
self.linecolor = self.colorgamut.get_randomized_color(self.path)
self.fillcolor = self.colorgamut.get_randomized_color(self.path)
self.line_width = model_random.uniform_constrained(line_width_constraint)
self.roundness = model_random.uniform_constrained(roundness_constraint)
self.center.randomize()
sampler_factory = ka_factory.get_factory('sampler')
samplertype_constraint = cpool.get(self, SAMPLERTYPE_CONSTRAINT)
self.sampler = sampler_factory.create_random(samplertype_constraint,
self.path)
self.sampler.randomize()
def mutate(self):
"""Make small random changes to the layers components."""
super(FilledSpline, self).mutate()
cpool = model_constraintpool.ConstraintPool.get_pool()
line_width_constraint = cpool.get(self, 'line_width')
roundness_constraint = cpool.get(self, 'roundness')
self.colorgamut.mutate()
self.colorgamut.mutate_color(self.linecolor)
self.colorgamut.mutate_color(self.fillcolor)
self.line_width = model_random.jitter_constrained(self.line_width, line_width_constraint)
self.roundness = model_random.jitter_constrained(self.roundness, roundness_constraint)
self.center.mutate()
self.sampler.mutate()
def swap_places(self):
"""Shuffle similar components."""
self.center.swap_places()
self.sampler.swap_places()
def crossingover(self, other):
"""
pre: isinstance(other, FilledSpline)
pre: isinstance(self, FilledSpline)
# 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) == ''
"""
new_one = FilledSpline(self.get_trunk())
crossing = self.crossingover_base(new_one, other, 3)
if crossing[0]:
new_one.colorgamut = other.colorgamut.copy()
new_one.linecolor = other.linecolor.copy()
new_one.fillcolor = other.fillcolor.copy()
else:
new_one.colorgamut = self.colorgamut.copy()
new_one.linecolor = self.linecolor.copy()
new_one.fillcolor = self.fillcolor.copy()
new_one.line_width = other.line_width if crossing[1] else self.line_width
new_one.roundness = other.roundness if crossing[2] else self.roundness
new_one.center = self.center.crossingover(other.center)
new_one.sampler = model_random.crossingover_elem(self.sampler,
other.sampler)
return new_one
def render(self, task, ctx, width, height):
"""
pre: ctx is not None
pre: width > 0
pre: height > 0
pre: width == height
"""
self.begin_render(ctx, width, height)
px, py = self.center.x_pos, self.center.y_pos
ctx.move_to(px, py)
points = self.sampler.get_sample_points()
# position_list = []
# for step in self.direction_steps:
# px += step.offset * math.cos(step.radian)
# py += step.offset * math.sin(step.radian)
# position_list.append((px, py, step.radian))
for index, step_0 in enumerate(points):
if index < 2:
# ctx.line_to(step_0[0], step_0[1])
ctx.move_to(px, py)
elif index == len(points)-1:
# ctx.line_to(step_0[0], step_0[1])
ctx.move_to(px, py)
else:
step_p1 = points[index+1]
step_m1 = points[index-1]
step_m2 = points[index-2]
sp_delta_x = self.roundness * (step_m1[0] - step_m2[0])
sp_delta_y = self.roundness * (step_m1[1] - step_m2[1])
ap_delta_x = step_0[0] - step_m1[0]
ap_delta_y = step_0[1] - step_m1[1]
np_delta_x = self.roundness * (step_p1[0] - step_0[0])
np_delta_y = self.roundness * (step_p1[1] - step_0[1])
ctx.rel_curve_to (ap_delta_x-np_delta_x,
ap_delta_y-np_delta_y, # end control point
sp_delta_x, sp_delta_y, # start control point
ap_delta_x, ap_delta_y) # end point
rgba = self.fillcolor.rgba
ctx.set_source_rgba(rgba[0], rgba[1], rgba[2], rgba[3])
ctx.fill_preserve()
ctx.set_line_width(self.line_width)
rgba = self.linecolor.rgba
ctx.set_source_rgba(rgba[0], rgba[1], rgba[2], rgba[3])
ctx.stroke()
def explain(self, formater):
super(FilledSpline, self).explain(formater)
self.colorgamut.explain(formater)
formater.color_item(self.linecolor, 'line color:')
formater.text_item('line width: ' + str(self.line_width))
formater.text_item('roundness: ' + str(self.roundness))
formater.color_item(self.fillcolor, 'fill color:')
formater.position_item(self.center, 'center:')
text, surface, descr = self.sampler.explain()
if surface is not None:
formater.surface_item(surface, 'sampling points: ' + text, descr)
else:
formater.text_item(text)
def copy(self):
"""The FilledSpline diagram layers copy constructor.
# check for distinct references, needs to copy content, not references
post: __return__ is not self
"""
new_one = FilledSpline(self.get_trunk())
self.copy_base(new_one)
new_one.linecolor = self.linecolor.copy()
new_one.fillcolor = self.fillcolor.copy()
new_one.line_width = self.line_width
new_one.roundness = self.roundness
new_one.center = self.center.copy()
new_one.sampler = self.sampler.copy()
# upgrade from a release older than 'v4'
if self.__dict__.has_key('colorgamut'):
new_one.colorgamut = self.colorgamut.copy()
else:
cpool = model_constraintpool.ConstraintPool.get_pool()
colorgamut_factory = ka_factory.get_factory('colorgamut')
colorgamuttype_constraint = cpool.get(self, COLORGAMUTTYPE_CONSTRAINT)
new_one.colorgamut = colorgamut_factory.create_random(colorgamuttype_constraint,
new_one.path)
new_one.colorgamut.randomize()
return new_one
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