knittingtools/modules/pcgenerator.py

292 wiersze
9.2 KiB
Python

'''
All rights reserved (c) 2016-2018 Brenda A. Bell.
This file is part of the PCGenerator (see
https://github.com/brendabell/knittingtools).
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, see <http://www.gnu.org/licenses/>.
'''
import svgwrite
import json
machine_config = None
def calibrate():
diagram = svgwrite.Drawing(
"calibrate.svg",
size=(
'100mm',
'100mm'),
viewBox=(
'0 0 100 100'),
preserveAspectRatio='none')
diagram.add(
diagram.polygon(
[(10,10), (90,10), (90,90), (10,90), (10,10)],
fill='white',
stroke='red',
stroke_width=.1))
return '<?xml version="1.0" encoding="UTF-8" standalone="no"?>{}'.format(diagram.tostring())
class Layout:
def __init__(self, machine_id, stitches, rows, horz_repeat, vert_repeat, is_blank, is_solid_fill):
global machine_config
self.card_width = machine_config['card_width']
self.card_stitches = stitches
self.row_height = machine_config['row_height']
self.stitch_width = machine_config['stitch_width']
self.pattern_hole_diameter = machine_config['pattern_hole_diameter']
self.pattern_hole_xoffset = machine_config['pattern_hole_xoffset']
self.pattern_hole_yoffset = machine_config['pattern_hole_yoffset']
self.clip_hole_diameter = machine_config['clip_hole_diameter']
self.clip_hole_xoffset = machine_config['clip_hole_xoffset']
self.clip_hole_yoffset = machine_config['clip_hole_yoffset']
self.tractor_hole_diameter = machine_config['tractor_hole_diameter']
self.tractor_hole_xoffset = machine_config['tractor_hole_xoffset']
self.tractor_hole_yoffset = machine_config['tractor_hole_yoffset']
self.overlapping_rows = machine_config['overlapping_rows']
self.overlapping_row_xoffset = machine_config['overlapping_row_xoffset']
self.overlapping_row_yoffset = machine_config['overlapping_row_yoffset']
self.corner_offset = machine_config['corner_offset']
if machine_config['force_solid_fill']:
self.solid_fill = True
else:
self.solid_fill = is_solid_fill
self.card_rows = rows
if self.card_rows > 200 or self.card_stitches > machine_config['stitches']:
raise ValueError(
"Your pattern seems to exceed 200 rows and/or {} stitches. "
"Are you sure you uploaded the right text file?".format(machine_config['stitches']))
self.horz_repeat = horz_repeat
self.vert_repeat = vert_repeat
self.is_blank = is_blank
self.card_height = (self.pattern_hole_yoffset * 2) + (((self.card_rows * self.vert_repeat) - 1) * self.row_height)
class PCGenerator:
def __init__(self, handler, data, machine_id, vert_repeat, is_blank = False, is_solid_fill = False):
global machine_config
self.handler = handler
with open("data/{}.json".format(machine_id)) as json_config:
machine_config = json.loads(json_config.read())
if is_blank:
self.data = ['x' * machine_config['stitches']]
else:
self.data = data.split()
self.layout = Layout(
machine_id,
len(self.data[0]),
len(self.data),
machine_config['stitches'] / len(self.data[0]),
vert_repeat,
is_blank,
is_solid_fill)
def generate(self):
diagram = self.create_card()
objects = []
if (self.layout.overlapping_rows and
self.layout.overlapping_row_xoffset and
self.layout.overlapping_row_yoffset):
self.draw_overlapped_lines(diagram, objects)
if (self.layout.clip_hole_diameter and
self.layout.clip_hole_xoffset):
self.draw_clip_holes(diagram, objects)
if (self.layout.tractor_hole_diameter and
self.layout.tractor_hole_xoffset):
self.draw_tractor_holes(diagram, objects)
if self.layout.is_blank:
self.layout.pattern_hole_diameter = .5
self.draw_pattern(diagram, self.data, objects)
# sort the list to optimize cutting
sorted_objects = sorted(objects, key=lambda x: (float(x.attribs['cy']), float(x.attribs['cx'])))
for i in sorted_objects:
diagram.add(i)
return '<?xml version="1.0" encoding="UTF-8" standalone="no"?>{}'.format(diagram.tostring())
def create_card(self):
diagram = svgwrite.Drawing(
"punchcard.svg",
size=(
'{0}mm'.format(self.layout.card_width),
'{0}mm'.format(self.layout.card_height)),
viewBox=(
'0 0 {0} {1}'.format(self.layout.card_width, self.layout.card_height)),
preserveAspectRatio='none')
diagram.add(diagram.polygon(
points=self.get_card_shape(),
fill='white',
stroke='black',
stroke_width=.1))
return diagram
def draw_pattern(self, diagram, lines, objects):
if self.layout.solid_fill:
fill = 'red'
else:
fill = 'white'
# main body of card
yoffset = self.layout.pattern_hole_yoffset
for row_repeat in range(self.layout.vert_repeat):
for rows in range(self.layout.card_rows):
xoffset = self.layout.pattern_hole_xoffset
for stitch_repeat in range(self.layout.horz_repeat):
for stitches in range(self.layout.card_stitches):
if lines[rows][stitches].upper() == 'X':
objects.append(diagram.circle(
center=(xoffset, yoffset),
fill=fill,
r = (self.layout.pattern_hole_diameter / 2),
stroke='black',
stroke_width=.1))
xoffset += self.layout.stitch_width
yoffset += self.layout.row_height
def draw_overlapped_lines(self, diagram, objects):
# overlapping rows at top
yoffset = self.layout.overlapping_row_yoffset
for rows in range(self.layout.overlapping_rows):
xoffset = self.layout.overlapping_row_xoffset
for stitch_repeat in range(self.layout.horz_repeat):
for stitches in range(self.layout.card_stitches):
objects.append(diagram.circle(
center=(xoffset, yoffset),
fill='white',
r = (self.layout.pattern_hole_diameter / 2),
stroke='black',
stroke_width=.1))
xoffset += self.layout.stitch_width
yoffset += self.layout.row_height
# overlapping rows at bottom
# yoffset = (self.layout.card_height - (self.layout.row_height * self.layout.overlapping_rows)) + (self.layout.row_height / 2)
yoffset = self.layout.card_height - self.layout.overlapping_row_yoffset
for rows in range(self.layout.overlapping_rows):
xoffset = self.layout.overlapping_row_xoffset
for stitch_repeat in range(self.layout.horz_repeat):
for stitches in range(self.layout.card_stitches):
objects.append(diagram.circle(
center=(xoffset, yoffset),
fill='white',
r = (self.layout.pattern_hole_diameter / 2),
stroke='black',
stroke_width=.1))
xoffset += self.layout.stitch_width
yoffset -= self.layout.row_height
def draw_clip_holes(self, diagram, objects):
self.draw_side_holes(
diagram,
objects,
self.layout.clip_hole_xoffset,
self.layout.clip_hole_yoffset,
self.layout.clip_hole_diameter)
def draw_tractor_holes(self, diagram, objects):
self.draw_side_holes(
diagram,
objects,
self.layout.tractor_hole_xoffset,
self.layout.tractor_hole_yoffset,
self.layout.tractor_hole_diameter)
def draw_side_holes(self, diagram, objects, xoffset, yoffset, diameter):
left_xoffset = xoffset
right_xoffset = self.layout.card_width - left_xoffset
while yoffset < self.layout.card_height:
# holes on left
objects.append(diagram.circle(
center=(left_xoffset, yoffset),
fill='white',
r = (diameter / 2),
stroke='black',
stroke_width=.1))
# holes on right
objects.append(diagram.circle(
center=(right_xoffset, yoffset),
fill='white',
r = (diameter / 2),
stroke='black',
stroke_width=.1))
yoffset += self.layout.row_height
def get_card_shape(self):
corner_diameter = self.layout.corner_offset + 1
# a..................b
# p c
# . .
# o d
# n e
# . .
# . .
# . .
# . .
# . .
# m f
# l g
# . .
# k h
# j..................i
a = (corner_diameter, 0)
b = (self.layout.card_width - corner_diameter, 0)
c = (self.layout.card_width - self.layout.corner_offset, 1)
d = (self.layout.card_width - self.layout.corner_offset, 20)
e = (self.layout.card_width, 22)
f = (self.layout.card_width, self.layout.card_height - 22)
g = (self.layout.card_width - self.layout.corner_offset, self.layout.card_height - 20)
h = (self.layout.card_width - self.layout.corner_offset, self.layout.card_height - 1)
i = (self.layout.card_width - corner_diameter, self.layout.card_height)
j = (corner_diameter, self.layout.card_height)
k = ( self.layout.corner_offset, self.layout.card_height - 1)
l = ( self.layout.corner_offset, self.layout.card_height - 20)
m = (0, self.layout.card_height - 22)
n = (0, 22)
o = ( self.layout.corner_offset, 20)
p = ( self.layout.corner_offset, 1)
return [a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p]