249 lines
14 KiB
Python
249 lines
14 KiB
Python
|
#! /usr/bin/env python3
|
||
|
|
|
||
|
|
import os
|
||
|
|
from abc import abstractmethod
|
||
|
|
from lxml import etree
|
||
|
|
from Path import Path, inkex
|
||
|
|
|
||
|
|
class Pattern(inkex.Effect):
|
||
|
|
@abstractmethod
|
||
|
|
def generate_path_tree(self):
|
||
|
|
""" Generate nested list of Path instances
|
||
|
|
Abstract method, must be defined in all child classes
|
||
|
|
"""
|
||
|
|
pass
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
inkex.Effect.__init__(self) # initialize the super class
|
||
|
|
self.add_argument = self.arg_parser.add_argument
|
||
|
|
self.add_argument("-u", "--units", default='mm', help="Units this dialog is using")
|
||
|
|
|
||
|
|
# self.add_argument("-a", "--add_attachment", type=inkex.Boolean, default=False, help="command line help")
|
||
|
|
# self.add_argument("", "--accuracy", type=int, default=0, help="command line help")
|
||
|
|
|
||
|
|
# --------------------------------------------------------------------------------------------------------------
|
||
|
|
# mountain options
|
||
|
|
self.add_argument('-m', '--mountain_stroke_color', default=4278190335, help='The mountain creases color.')
|
||
|
|
self.add_argument('--mountain_stroke_width', type=float, default=0.1, help='Width of mountain strokes.')
|
||
|
|
self.add_argument('--mountain_dashes_len', type=float, default=1.0, help='Mountain dash + gap length.')
|
||
|
|
self.add_argument('--mountain_dashes_duty', type=float, default=0.5, help='Mountain dash duty cycle.')
|
||
|
|
self.add_argument('--mountain_dashes_bool', type=inkex.Boolean, default=True, help='Dashed strokes?')
|
||
|
|
self.add_argument('--mountain_bool', type=inkex.Boolean, default=True, help='Draw mountains?')
|
||
|
|
|
||
|
|
# --------------------------------------------------------------------------------------------------------------
|
||
|
|
# valley options
|
||
|
|
self.add_argument('-v', '--valley_stroke_color', default=65535, help='The valley creases color.')
|
||
|
|
self.add_argument('--valley_stroke_width', type=float, default=0.1, help='Width of valley strokes.')
|
||
|
|
self.add_argument('--valley_dashes_len', type=float, default=1.0, help='Valley dash + gap length.')
|
||
|
|
self.add_argument('--valley_dashes_duty', type=float, default=0.25, help='Valley dash duty cycle.')
|
||
|
|
self.add_argument('--valley_dashes_bool', type=inkex.Boolean, default=True, help='Dashed strokes?')
|
||
|
|
self.add_argument('--valley_bool', type=inkex.Boolean, default=True, help='Draw valleys?')
|
||
|
|
|
||
|
|
# --------------------------------------------------------------------------------------------------------------
|
||
|
|
# edge options
|
||
|
|
self.add_argument('-e', '--edge_stroke_color', default=255, help='The mountain creases color.')
|
||
|
|
self.add_argument('--edge_stroke_width', type=float, default=0.1, help='Width of edge strokes.')
|
||
|
|
self.add_argument('--edge_dashes_len', type=float, default=1.0, help='Edge dash + gap length.')
|
||
|
|
self.add_argument('--edge_dashes_duty', type=float, default=0.25, help='Edge dash duty cycle.')
|
||
|
|
self.add_argument('--edge_dashes_bool', type=inkex.Boolean, default=False, help='Dashed strokes?')
|
||
|
|
self.add_argument('--edge_bool', type=inkex.Boolean, default=True, help='Draw edges?')
|
||
|
|
self.add_argument('--edge_single_path', type=inkex.Boolean, default=True, help='Edges as single path?')
|
||
|
|
|
||
|
|
# --------------------------------------------------------------------------------------------------------------
|
||
|
|
# universal crease options
|
||
|
|
self.add_argument('--universal_stroke_color', default=4278255615, help='The universal creases color.')
|
||
|
|
self.add_argument('--universal_stroke_width', type=float, default=0.1, help='Width of universal strokes.')
|
||
|
|
self.add_argument('--universal_dashes_len', type=float, default=1.0, help='Universal dash + gap length.')
|
||
|
|
self.add_argument('--universal_dashes_duty', type=float, default=0.25, help='Universal dash duty cycle.')
|
||
|
|
self.add_argument('--universal_dashes_bool', type=inkex.Boolean, default=False, help='Dashed strokes?')
|
||
|
|
self.add_argument('--universal_bool', type=inkex.Boolean, default=True, help='Draw universal creases?')
|
||
|
|
|
||
|
|
# --------------------------------------------------------------------------------------------------------------
|
||
|
|
# semicrease options
|
||
|
|
self.add_argument('--semicrease_stroke_color', default=4294902015, help='The semicrease creases color.')
|
||
|
|
self.add_argument('--semicrease_stroke_width', type=float, default=0.1, help='Width of semicrease strokes.')
|
||
|
|
self.add_argument('--semicrease_dashes_len', type=float, default=1.0, help='Semicrease dash + gap length.')
|
||
|
|
self.add_argument('--semicrease_dashes_duty', type=float,default=0.25, help='Semicrease dash duty cycle.')
|
||
|
|
self.add_argument('--semicrease_dashes_bool', type=inkex.Boolean, default=False, help='Dashed strokes?')
|
||
|
|
self.add_argument('--semicrease_bool', type=inkex.Boolean, default=True, help='Draw semicreases?')
|
||
|
|
|
||
|
|
# --------------------------------------------------------------------------------------------------------------
|
||
|
|
# cut options
|
||
|
|
self.add_argument('--cut_stroke_color', default=16711935, help='The cut creases color.')
|
||
|
|
self.add_argument('--cut_stroke_width', type=float, default=0.1, help='Width of cut strokes.')
|
||
|
|
self.add_argument('--cut_dashes_len', type=float, default=1.0, help='Cut dash + gap length.')
|
||
|
|
self.add_argument('--cut_dashes_duty', type=float, default=0.25, help='Cut dash duty cycle.')
|
||
|
|
self.add_argument('--cut_dashes_bool', type=inkex.Boolean, default=False, help='Dashed strokes?')
|
||
|
|
self.add_argument('--cut_bool', type=inkex.Boolean, default=True, help='Draw cuts?')
|
||
|
|
|
||
|
|
# --------------------------------------------------------------------------------------------------------------
|
||
|
|
# vertex options
|
||
|
|
self.add_argument('--vertex_stroke_color', default=255, help='Vertices\' color.')
|
||
|
|
self.add_argument('--vertex_stroke_width', type=float, default=0.1, help='Width of vertex strokes.')
|
||
|
|
self.add_argument('--vertex_radius', type=float, default=0.1, help='Radius of vertices.')
|
||
|
|
self.add_argument('--vertex_bool', type=inkex.Boolean, default=True, help='Draw vertices?')
|
||
|
|
# here so we can have tabs - but we do not use it directly - else error
|
||
|
|
self.add_argument('--active-tab', default='title', help="Active tab.")
|
||
|
|
|
||
|
|
self.path_tree = []
|
||
|
|
self.edge_points = []
|
||
|
|
self.translate = (0, 0)
|
||
|
|
|
||
|
|
def effect(self):
|
||
|
|
""" Main function, called when the extension is run.
|
||
|
|
"""
|
||
|
|
# construct dictionary containing styles
|
||
|
|
self.create_styles_dict()
|
||
|
|
|
||
|
|
# get paths for selected origami pattern
|
||
|
|
self.generate_path_tree()
|
||
|
|
|
||
|
|
# ~ accuracy = self.options.accuracy
|
||
|
|
# ~ unit_factor = self.calc_unit_factor()
|
||
|
|
# what page are we on
|
||
|
|
# page_id = self.options.active_tab # sometimes wrong the very first time
|
||
|
|
|
||
|
|
# Translate according to translate attribute
|
||
|
|
g_attribs = {inkex.addNS('label', 'inkscape'): '{} Origami pattern'.format(self.options.pattern),
|
||
|
|
# inkex.addNS('transform-center-x','inkscape'): str(-bbox_center[0]),
|
||
|
|
# inkex.addNS('transform-center-y','inkscape'): str(-bbox_center[1]),
|
||
|
|
inkex.addNS('transform-center-x', 'inkscape'): str(0),
|
||
|
|
inkex.addNS('transform-center-y', 'inkscape'): str(0),
|
||
|
|
'transform': 'translate(%s,%s)' % self.translate}
|
||
|
|
|
||
|
|
# add the group to the document's current layer
|
||
|
|
if type(self.path_tree) == list and len(self.path_tree) != 1:
|
||
|
|
self.topgroup = etree.SubElement(self.get_layer(), 'g', g_attribs)
|
||
|
|
else:
|
||
|
|
self.topgroup = self.get_layer()
|
||
|
|
|
||
|
|
if len(self.edge_points) == 0:
|
||
|
|
Path.draw_paths_recursively(self.path_tree, self.topgroup, self.styles_dict)
|
||
|
|
elif self.options.edge_single_path:
|
||
|
|
edges = Path(self.edge_points, 'e', closed=True)
|
||
|
|
Path.draw_paths_recursively(self.path_tree + [edges], self.topgroup, self.styles_dict)
|
||
|
|
else:
|
||
|
|
edges = Path.generate_separated_paths(self.edge_points, 'e', closed=True)
|
||
|
|
Path.draw_paths_recursively(self.path_tree + edges, self.topgroup, self.styles_dict)
|
||
|
|
|
||
|
|
# self.draw_paths_recursively(self.path_tree, self.topgroup, self.styles_dict)
|
||
|
|
|
||
|
|
# compatibility hack
|
||
|
|
def get_layer(self):
|
||
|
|
try:
|
||
|
|
return self.svg.get_current_layer() # new
|
||
|
|
except:
|
||
|
|
return self.current_layer # old
|
||
|
|
|
||
|
|
def create_styles_dict(self):
|
||
|
|
""" Get stroke style parameters and use them to create the styles dictionary, used for the Path generation
|
||
|
|
"""
|
||
|
|
unit_factor = self.calc_unit_factor()
|
||
|
|
|
||
|
|
# define colour and stroke width
|
||
|
|
mountain_style = {'draw': self.options.mountain_bool,
|
||
|
|
'stroke': self.get_color_string(self.options.mountain_stroke_color),
|
||
|
|
'fill': 'none',
|
||
|
|
'stroke-width': self.options.mountain_stroke_width*unit_factor}
|
||
|
|
|
||
|
|
valley_style = {'draw': self.options.valley_bool,
|
||
|
|
'stroke': self.get_color_string(self.options.valley_stroke_color),
|
||
|
|
'fill': 'none',
|
||
|
|
'stroke-width': self.options.valley_stroke_width*unit_factor}
|
||
|
|
|
||
|
|
universal_style = {'draw': self.options.universal_bool,
|
||
|
|
'stroke': self.get_color_string(self.options.universal_stroke_color),
|
||
|
|
'fill': 'none',
|
||
|
|
'stroke-width': self.options.universal_stroke_width*unit_factor}
|
||
|
|
|
||
|
|
semicrease_style = {'draw': self.options.semicrease_bool,
|
||
|
|
'stroke': self.get_color_string(self.options.semicrease_stroke_color),
|
||
|
|
'fill': 'none',
|
||
|
|
'stroke-width': self.options.semicrease_stroke_width*unit_factor}
|
||
|
|
|
||
|
|
cut_style = {'draw': self.options.cut_bool,
|
||
|
|
'stroke': self.get_color_string(self.options.cut_stroke_color),
|
||
|
|
'fill': 'none',
|
||
|
|
'stroke-width': self.options.cut_stroke_width*unit_factor}
|
||
|
|
|
||
|
|
edge_style = {'draw': self.options.edge_bool,
|
||
|
|
'stroke': self.get_color_string(self.options.edge_stroke_color),
|
||
|
|
'fill': 'none',
|
||
|
|
'stroke-width': self.options.edge_stroke_width*unit_factor}
|
||
|
|
|
||
|
|
vertex_style = {'draw': self.options.vertex_bool,
|
||
|
|
'stroke': self.get_color_string(self.options.vertex_stroke_color),
|
||
|
|
'fill': 'none',
|
||
|
|
'stroke-width': self.options.vertex_stroke_width*unit_factor}
|
||
|
|
|
||
|
|
# check if dashed option selected
|
||
|
|
if self.options.mountain_dashes_bool:
|
||
|
|
dash = self.options.mountain_dashes_len*self.options.mountain_dashes_duty*unit_factor
|
||
|
|
gap = abs(dash - self.options.mountain_dashes_len*unit_factor)
|
||
|
|
mountain_style['stroke-dasharray'] = "{},{}".format(dash, gap)
|
||
|
|
if self.options.valley_dashes_bool:
|
||
|
|
dash = self.options.valley_dashes_len * self.options.valley_dashes_duty*unit_factor
|
||
|
|
gap = abs(dash - self.options.valley_dashes_len*unit_factor)
|
||
|
|
valley_style['stroke-dasharray'] = "{},{}".format(dash, gap)
|
||
|
|
if self.options.edge_dashes_bool:
|
||
|
|
dash = self.options.edge_dashes_len * self.options.edge_dashes_duty*unit_factor
|
||
|
|
gap = abs(dash - self.options.edge_dashes_len*unit_factor)
|
||
|
|
edge_style['stroke-dasharray'] = "{},{}".format(dash, gap)
|
||
|
|
if self.options.universal_dashes_bool:
|
||
|
|
dash = self.options.universal_dashes_len * self.options.universal_dashes_duty*unit_factor
|
||
|
|
gap = abs(dash - self.options.universal_dashes_len*unit_factor)
|
||
|
|
universal_style['stroke-dasharray'] = "{},{}".format(dash, gap)
|
||
|
|
if self.options.semicrease_dashes_bool:
|
||
|
|
dash = self.options.semicrease_dashes_len * self.options.semicrease_dashes_duty*unit_factor
|
||
|
|
gap = abs(dash - self.options.semicrease_dashes_len*unit_factor)
|
||
|
|
semicrease_style['stroke-dasharray'] = "{},{}".format(dash, gap)
|
||
|
|
if self.options.cut_dashes_bool:
|
||
|
|
dash = self.options.cut_dashes_len * self.options.cut_dashes_duty*unit_factor
|
||
|
|
gap = abs(dash - self.options.cut_dashes_len*unit_factor)
|
||
|
|
cut_style['stroke-dasharray'] = "{},{}".format(dash, gap)
|
||
|
|
|
||
|
|
self.styles_dict = {'m': mountain_style,
|
||
|
|
'v': valley_style,
|
||
|
|
'u': universal_style,
|
||
|
|
's': semicrease_style,
|
||
|
|
'c': cut_style,
|
||
|
|
'e': edge_style,
|
||
|
|
'p': vertex_style}
|
||
|
|
|
||
|
|
def get_color_string(self, longColor, verbose=False):
|
||
|
|
""" Convert the long into a #RRGGBB color value
|
||
|
|
- verbose=true pops up value for us in defaults
|
||
|
|
conversion back is A + B*256^1 + G*256^2 + R*256^3
|
||
|
|
"""
|
||
|
|
# compatibility hack, no "long" in Python 3
|
||
|
|
try:
|
||
|
|
longColor = long(longColor)
|
||
|
|
if longColor < 0: longColor = long(longColor) & 0xFFFFFFFF
|
||
|
|
hexColor = hex(longColor)[2:-3]
|
||
|
|
except:
|
||
|
|
longColor = int(longColor)
|
||
|
|
hexColor = hex(longColor)[2:-2]
|
||
|
|
inkex.debug = inkex.utils.debug
|
||
|
|
|
||
|
|
hexColor = '#' + hexColor.rjust(6, '0').upper()
|
||
|
|
if verbose: inkex.debug("longColor = {}, hex = {}".format(longColor,hexColor))
|
||
|
|
|
||
|
|
return hexColor
|
||
|
|
|
||
|
|
def add_text(self, node, text, position, text_height=12):
|
||
|
|
""" Create and insert a single line of text into the svg under node.
|
||
|
|
"""
|
||
|
|
line_style = {'font-size': '%dpx' % text_height, 'font-style':'normal', 'font-weight': 'normal',
|
||
|
|
'fill': '#F6921E', 'font-family': 'Bitstream Vera Sans,sans-serif',
|
||
|
|
'text-anchor': 'middle', 'text-align': 'center'}
|
||
|
|
line_attribs = {inkex.addNS('label','inkscape'): 'Annotation',
|
||
|
|
'style': str(Inkex.style(line_style)),
|
||
|
|
'x': str(position[0]),
|
||
|
|
'y': str((position[1] + text_height) * 1.2)
|
||
|
|
}
|
||
|
|
line = etree.SubElement(node, inkex.addNS('text','svg'), line_attribs)
|
||
|
|
line.text = text
|
||
|
|
|
||
|
|
|
||
|
|
def calc_unit_factor(self):
|
||
|
|
return self.svg.unittouu(str(1.0) + self.options.units)
|