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label_guides.py
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label_guides.py
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#!/usr/bin/env python3
'''
Label Guides Creator
Copyright (C) 2018 John Beard - john.j.beard **guesswhat** gmail.com
## Simple Extension to draw guides and outlines for common paper labels
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; version 2 of the License.
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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
'''
import inkex
from lxml import etree
# Colours to use for the guides
GUIDE_COLOURS = {
'edge': '#00A000',
'centre': '#A00000',
'inset': '#0000A0'
}
# Preset list
# Regular grids defined as:
# 'reg', unit, page_szie, l marg, t marg, X size, Y size,
# X pitch, Y pitch, Number across, Number down, shapes
PRESETS = {
# Rounded rectangular labels in grid layout
'L7167': ['reg', 'mm', 'a4', 5.2, 3.95, 199.6, 289.1, 199.6, 289.1, 1, 1, 'rrect'],
'L7168': ['reg', 'mm', 'a4', 5.2, 5, 199.6, 143.5, 199.6, 143.5, 1, 2, 'rrect'],
'L7169': ['reg', 'mm', 'a4', 4.65, 9.5, 99.1, 139, 101.6, 139, 2, 2, 'rrect'],
'L7701': ['reg', 'mm', 'a4', 9, 24.5, 192, 62, 192, 62, 1, 4, 'rrect'],
'L7171': ['reg', 'mm', 'a4', 5, 28.5, 200, 60, 200, 60, 1, 4, 'rrect'],
'L7166': ['reg', 'mm', 'a4', 4.65, 8.85, 99.1, 93.1, 101.6, 93.1, 2, 3, 'rrect'],
'L4760': ['reg', 'mm', 'a4', 9, 12, 192, 39, 192, 39, 1, 7, 'rrect'],
'L7165': ['reg', 'mm', 'a4', 4.65, 13.1, 99.1, 67.7, 101.6, 67.7, 2, 4, 'rrect'],
'L7664': ['reg', 'mm', 'a4', 18, 4.9, 70, 71.8, 104, 71.8, 2, 4, 'rrect'],
'L7667': ['reg', 'mm', 'a4', 38.5, 15.3, 133, 29.6, 133, 29.6, 1, 9, 'rrect'],
'L7173': ['reg', 'mm', 'a4', 4.65, 6, 99.1, 57, 101.6, 57, 2, 5, 'rrect'],
'J5103': ['reg', 'mm', 'a4', 4.75, 13.5, 38.1, 135, 40.6, 135, 5, 2, 'rrect'],
'L7666': ['reg', 'mm', 'a4', 23, 18.5, 70, 52, 94, 52, 2, 5, 'rrect'],
'L7783': ['reg', 'mm', 'a4', 7.85, 21.75, 95.8, 50.7, 98.5, 50.7, 2, 5, 'rrect'],
'L7164': ['reg', 'mm', 'a4', 7.25, 4.5, 63.5, 72, 66, 72, 3, 4, 'rrect'],
'L7671': ['reg', 'mm', 'a4', 27.55, 9.3, 76.2, 46.4, 78.7, 46.4, 2, 6, 'rrect'],
'L7177': ['reg', 'mm', 'a4', 4.65, 21.6, 99.1, 42.3, 101.6, 42.3, 2, 6, 'rrect'],
'L7163': ['reg', 'mm', 'a4', 4.65, 15.15, 99.1, 38.1, 101.6, 38.1, 2, 7, 'rrect'],
'L7668': ['reg', 'mm', 'a4', 13.5, 21.25, 59, 50.9, 62, 50.9, 3, 5, 'rrect'],
'L7162': ['reg', 'mm', 'a4', 4.65, 12.9, 99.1, 33.9, 101.6, 33.9, 2, 8, 'rrect'],
'L7674': ['reg', 'mm', 'a4', 32.5, 12.5, 145, 17, 145, 17, 1, 16, 'rrect'],
'L7161': ['reg', 'mm', 'a4', 7.25, 8.7, 63.5, 46.6, 66, 46.6, 3, 6, 'rrect'],
'L7172': ['reg', 'mm', 'a4', 3.75, 13.5, 100, 30, 102.5, 30, 2, 9, 'rrect'],
'J5101': ['reg', 'mm', 'a4', 4.75, 10.5, 38.1, 69, 40.6, 69, 5, 4, 'rrect'],
'L7160': ['reg', 'mm', 'a4', 7.25, 15.15, 63.5, 38.1, 66, 38.1, 3, 7, 'rrect'],
'L7159': ['reg', 'mm', 'a4', 7.25, 12.9, 63.5, 33.9, 66, 33.9, 3, 8, 'rrect'],
'L7665': ['reg', 'mm', 'a4', 22, 21.6, 72, 21.15, 94, 21.15, 2, 12, 'rrect'],
'L7170': ['reg', 'mm', 'a4', 38, 16.5, 134, 11, 134, 11, 1, 24, 'rrect'],
'L6011': ['reg', 'mm', 'a4', 7.25, 15.3, 63.5, 29.6, 66, 29.6, 3, 9, 'rrect'],
'LP33_53': ['reg', 'mm', 'a4', 21, 17.5, 54, 22, 57, 24, 3, 11, 'rrect'],
'LP36_49': ['reg', 'mm', 'a4', 4.8, 15.3, 48.9, 29.6, 50.5, 29.6, 4, 9, 'rrect'],
'L7654': ['reg', 'mm', 'a4', 9.7, 21.5, 45.7, 25.4, 48.3, 25.4, 4, 10, 'rrect'],
'L7636': ['reg', 'mm', 'a4', 9.85, 21.3, 45.7, 21.2, 48.2, 21.2, 4, 12, 'rrect'],
'LP56_89': ['reg', 'mm', 'a4', 8, 8.5, 89, 10, 105, 10, 2, 28, 'rrect'],
'L7651': ['reg', 'mm', 'a4', 4.75, 10.7, 38.1, 21.2, 40.6, 21.2, 5, 13, 'rrect'],
'L7656': ['reg', 'mm', 'a4', 5.95, 15.95, 46, 11.1, 50.7, 12.7, 4, 21, 'rrect'],
'L7658': ['reg', 'mm', 'a4', 8.6, 13.5, 25.4, 10, 27.9, 10, 7, 27, 'rrect'],
'L7657': ['reg', 'mm', 'a4', 4.75, 13.5, 17.8, 10, 20.3, 10, 10, 27, 'rrect'],
# Rect labels
'L7784': ['reg', 'mm', 'a4', 0, 0, 210, 297, 210, 297, 1, 1, 'rect'],
'LP2_105': ['reg', 'mm', 'a4', 0, 0, 105, 297, 105, 297, 2, 1, 'rect'],
'3655': ['reg', 'mm', 'a4', 0, 0, 210, 148.5, 210, 148.5, 1, 2, 'rect'],
'LP3_210': ['reg', 'mm', 'a4', 0, 0, 210, 99, 210, 99, 1, 3, 'rect'],
'3483': ['reg', 'mm', 'a4', 0, 0, 105, 148.5, 105, 148.5, 2, 2, 'rect'],
'LP4_210': ['reg', 'mm', 'a4', 0, 0, 210, 74.25, 210, 74.25, 1, 4, 'rect'],
'LP6_70': ['reg', 'mm', 'a4', 0, 0, 70, 148.5, 70, 148.5, 3, 2, 'rect'],
'LP6_105': ['reg', 'mm', 'a4', 0, 0, 105, 99, 105, 99, 2, 3, 'rect'],
'3427': ['reg', 'mm', 'a4', 0, 0, 105, 74.25, 105, 74.25, 2, 4, 'rect'],
'LP8_105S': ['reg', 'mm', 'a4', 0, 7.1, 105, 70.7, 105, 70.7, 2, 4, 'rect'],
'LP10_105': ['reg', 'mm', 'a4', 0, 0, 105, 59.4, 105, 59.4, 2, 5, 'rect'],
'3425': ['reg', 'mm', 'a4', 0, 4.625, 105, 57.55, 105, 57.55, 2, 5, 'rect'],
'LP12_105': ['reg', 'mm', 'a4', 0, 0, 105, 49.5, 105, 49.5, 2, 6, 'rect'],
'3424': ['reg', 'mm', 'a4', 0, 4.8, 105, 47.9, 105, 47.9, 2, 6, 'rect'],
'3653': ['reg', 'mm', 'a4', 0, 0, 105, 42.42, 105, 42.42, 2, 7, 'rect'],
'LP15_70': ['reg', 'mm', 'a4', 0, 0, 70, 59.4, 70, 59.4, 3, 5, 'rect'],
'LP15_70S': ['reg', 'mm', 'a4', 0, 21.75, 70, 50.7, 70, 50.7, 3, 5, 'rect'],
'3484': ['reg', 'mm', 'a4', 0, 0, 105, 37.12, 105, 37.12, 2, 8, 'rect'],
'3423': ['reg', 'mm', 'a4', 0, 8.7, 105, 34.95, 105, 34.95, 2, 8, 'rect'],
'3652': ['reg', 'mm', 'a4', 0, 0, 70, 42.42, 70, 42.42, 3, 7, 'rect'],
'LP21_70S': ['reg', 'mm', 'a4', 0, 15.15, 70, 38.1, 70, 38.1, 3, 7, 'rect'],
'3474': ['reg', 'mm', 'a4', 0, 0, 70, 37.12, 70, 37.12, 3, 8, 'rect'],
'3422': ['reg', 'mm', 'a4', 0, 8.7, 70, 34.95, 70, 34.95, 3, 8, 'rect'],
'LP24_70LS': ['reg', 'mm', 'a4', 0, 12.5, 70, 34, 70, 34, 3, 8, 'rect'],
'3475': ['reg', 'mm', 'a4', 0, 4.5, 70, 36, 70, 36, 3, 8, 'rect'],
'LP27_70S': ['reg', 'mm', 'a4', 0, 4.725, 70, 31.95, 70, 31.95, 3, 9, 'rect'],
'3489': ['reg', 'mm', 'a4', 0, 0, 70, 29.7, 70, 29.7, 3, 10, 'rect'],
'3421': ['reg', 'mm', 'a4', 0, 8.8, 70, 25.4, 70, 25.4, 3, 11, 'rect'],
'L7409': ['reg', 'mm', 'a4', 19.5, 21, 57, 15, 57, 15, 3, 17, 'rect'],
'LP56_52': ['reg', 'mm', 'a4', 0, 0, 52.5, 21.21, 52.5, 21.21, 4, 14, 'rect'],
# Round labels
'LP2_115R': ['reg', 'mm', 'a4', 47.75, 16.65, 114.5, 114.5, 114.5, 149.2, 1, 2, 'circle'],
'LP6_88R': ['reg', 'mm', 'a4', 16, 14.5, 88, 88, 90, 90, 2, 3, 'circle'],
'LP6_85R': ['reg', 'mm', 'a4', 17.5, 16, 85, 85, 90, 90, 2, 3, 'circle'],
'LP6_76R': ['reg', 'mm', 'a4', 27, 31, 76, 76, 80, 79.5, 2, 3, 'circle'],
'C2244': ['reg', 'mm', 'a4', 29.7, 33.9, 72, 72, 78.6, 78.6, 2, 3, 'circle'],
'LP8_69R': ['reg', 'mm', 'a4', 34.5, 6, 69, 69, 72, 72, 2, 4, 'circle'],
'L7670': ['reg', 'mm', 'a4', 5.25, 14.75, 63.5, 63.5, 68, 68, 3, 4, 'circle'],
'LP15_51R': ['reg', 'mm', 'a4', 26.5, 17, 51, 51, 53, 53, 3, 5, 'circle'],
'LP24_45R': ['reg', 'mm', 'a4', 9, 6, 45, 45, 49, 48, 4, 6, 'circle'],
'L7780': ['reg', 'mm', 'a4', 16, 13.5, 40, 40, 46, 46, 4, 6, 'circle'],
'LP35_37R': ['reg', 'mm', 'a4', 8.5, 13, 37, 37, 39, 39, 5, 7, 'circle'],
'LP35_35R': ['reg', 'mm', 'a4', 9.5, 17, 35, 35, 39, 38, 5, 7, 'circle'],
'LP40_32R': ['reg', 'mm', 'a4', 19, 10.35, 32, 32, 35, 34.9, 5, 8, 'circle'],
'LP54_29R': ['reg', 'mm', 'a4', 8, 6, 29, 29, 33, 32, 6, 9, 'circle'],
'LP70_25R': ['reg', 'mm', 'a4', 11.5, 14.5, 25, 25, 27, 27, 7, 10, 'circle'],
'LP117_19R': ['reg', 'mm', 'a4', 11.5, 13, 19, 19, 21, 21, 9, 13, 'circle'],
'LP216_13R': ['reg', 'mm', 'a4', 13.25, 10.25, 13, 13, 15.5, 15.5, 12, 18, 'circle'],
# Oval labels
'LP2_195OV': ['reg', 'mm', 'a4', 7.5, 8.5, 195, 138, 195, 142, 1, 2, 'circle'],
'LP4_90OV': ['reg', 'mm', 'a4', 14, 12.5, 90, 135, 92, 137, 2, 2, 'circle'],
'LP8_90OV': ['reg', 'mm', 'a4', 9.25, 15.95, 90, 62, 101.5, 67.7, 2, 4, 'circle'],
'LP10_95OV': ['reg', 'mm', 'a4', 7, 8, 95, 53, 101, 57, 2, 5, 'circle'],
'LP14_95OV': ['reg', 'mm', 'a4', 7, 17.5, 95, 34, 101, 38, 2, 7, 'circle'],
'LP21_60OV': ['reg', 'mm', 'a4', 11, 10, 60, 34, 64, 40.5, 3, 7, 'circle'],
'LP32_40OV': ['reg', 'mm', 'a4', 22, 21.5, 40, 30, 42, 32, 4, 8, 'circle'],
'LP65_35OV': ['reg', 'mm', 'a4', 5.975, 13.3, 35.05, 16, 40.75, 21.2, 5, 13, 'circle'],
# Square labels
'LP6_95SQ': ['reg', 'mm', 'a4', 6.5, 3, 95, 95, 98, 98, 2, 3, 'rrect'],
'LP12_65SQ': ['reg', 'mm', 'a4', 5, 15.5, 65, 65, 67.5, 67, 3, 4, 'rrect'],
'LP15_51SQ': ['reg', 'mm', 'a4', 26.6, 17.2, 51, 51, 52.9, 52.9, 3, 5, 'rrect'],
'LP35_37SQ': ['reg', 'mm', 'a4', 8.5 / 12, 13.3, 37, 37, 39, 38.9, 5, 7, 'rrect'],
'LP70_25SQ': ['reg', 'mm', 'a4', 11.5, 14.5, 25, 25, 27, 27, 7, 10, 'rrect'],
}
def add_SVG_guide(x, y, orientation, colour, parent):
""" Create a sodipodi:guide node on the given parent
"""
try:
# convert mnemonics to actual orientations
orientation = {
'vert': '1,0',
'horz': '0,1'
}[orientation]
except KeyError:
pass
attribs = {
'position': str(x) + "," + str(y),
'orientation': orientation
}
if colour is not None:
attribs[inkex.addNS('color', 'inkscape')] = colour
etree.SubElement(
parent,
inkex.addNS('guide', 'sodipodi'),
attribs)
def delete_all_guides(document):
# getting the parent's tag of the guides
nv = document.xpath(
'/svg:svg/sodipodi:namedview', namespaces=inkex.NSS)[0]
# getting all the guides
children = document.xpath('/svg:svg/sodipodi:namedview/sodipodi:guide',
namespaces=inkex.NSS)
# removing each guides
for element in children:
nv.remove(element)
def draw_SVG_ellipse(rx, ry, cx, cy, style, parent):
attribs = {
'style': str(inkex.Style(style)),
inkex.addNS('cx', 'sodipodi'): str(cx),
inkex.addNS('cy', 'sodipodi'): str(cy),
inkex.addNS('rx', 'sodipodi'): str(rx),
inkex.addNS('ry', 'sodipodi'): str(ry),
inkex.addNS('type', 'sodipodi'): 'arc',
}
etree.SubElement(parent, inkex.addNS('path', 'svg'), attribs)
def draw_SVG_rect(x, y, w, h, round, style, parent):
attribs = {
'style': str(inkex.Style(style)),
'height': str(h),
'width': str(w),
'x': str(x),
'y': str(y)
}
if round:
attribs['ry'] = str(round)
etree.SubElement(parent, inkex.addNS('rect', 'svg'), attribs)
def add_SVG_layer(parent, gid, label):
layer = etree.SubElement(parent, 'g', {
'id': gid,
inkex.addNS('groupmode', 'inkscape'): 'layer',
inkex.addNS('label', 'inkscape'): label
})
return layer
class LabelGuides(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.arg_parser.add_argument(
'--units', default="mm",
help='The units to use for custom label sizing')
self.arg_parser.add_argument(
'--preset_tab', default='rrect',
help='The preset section that is selected (other sections will be ignored)')
# ROUNDED RECTANGLE PRESET OPTIONS
self.arg_parser.add_argument(
'--rrect_preset',default='L7167',
help='Use the given rounded rectangle preset template')
self.arg_parser.add_argument(
'--rrect_radius', type=float, default=1,
help='Rectangle corner radius')
# RECTANGULAR PRESET OPTIONS
self.arg_parser.add_argument(
'--rect_preset', default='L7784',
help='Use the given square-corner rectangle template')
# CIRCULAR PRESET OPTIONS
self.arg_parser.add_argument('--circ_preset', default='LP2_115R',
help='Use the given circular template')
# CUSTOM LABEL OPTIONS
self.arg_parser.add_argument(
'--margin_l', type=float, default=8.5,
help='Left page margin')
self.arg_parser.add_argument(
'--margin_t', type=float, default=13,
help='Top page margin')
self.arg_parser.add_argument(
'--size_x', type=float, default=37,
help='Label X size')
self.arg_parser.add_argument(
'--size_y', type=float, default=37,
help='Label Y size')
self.arg_parser.add_argument(
'--pitch_x', type=float, default=39,
help='Label X pitch')
self.arg_parser.add_argument(
'--pitch_y', type=float, default=39,
help='Label Y pitch')
self.arg_parser.add_argument(
'--count_x', type=int, default=5,
help='Number of labels across')
self.arg_parser.add_argument(
'--count_y', type=int, default=7,
help='Number of labels down')
self.arg_parser.add_argument(
'--shapes', default='rect',
help='Label shapes to draw')
# GENERAL DRAWING OPTIONS
self.arg_parser.add_argument(
'--delete_existing_guides', type=inkex.Boolean, default=False,
help='Delete existing guides from document')
self.arg_parser.add_argument(
'--draw_edge_guides', type=inkex.Boolean, default=True,
help='Draw guides at label edges')
self.arg_parser.add_argument(
'--draw_centre_guides', type=inkex.Boolean, default=True,
help='Draw guides at label centres')
self.arg_parser.add_argument(
'--inset', type=float, default=5,
help='Inset to use for inset guides')
self.arg_parser.add_argument(
'--draw_inset_guides', type=inkex.Boolean, default=True,
help='Draw guides inset to label edges')
self.arg_parser.add_argument(
'--draw_shapes', type=inkex.Boolean, default=True,
help='Draw label outline shapes')
self.arg_parser.add_argument(
'--shape_inset', default=5,
help='Inset to use for inset shapes')
self.arg_parser.add_argument(
'--draw_inset_shapes', type=inkex.Boolean, default=True,
help='Draw shapes inset in the label outline')
self.arg_parser.add_argument(
'--set_page_size', type=inkex.Boolean, default=True,
help='Set page size (presets only)')
def _to_uu(self, val, unit):
"""
Transform a value in given units to User Units
"""
return self.svg.unittouu(str(val) + unit)
def _get_page_size(self, size):
"""
Get a page size from a definition entry - can be in the form
[x, y], or a string (one of ['a4'])
"""
if isinstance(size, (list,)):
# Explicit size
return size
elif size == "a4":
return [210, 297]
# Failed to find a useful size, None will inhibit setting the size
return None
def _set_SVG_page_size(self, document, x, y, unit):
"""
Set the SVG page size to the given absolute size. The viewbox is
also rescaled as needed to maintain the scale factor.
"""
svg = document.getroot()
# Re-calculate viewbox in terms of User Units
new_uu_w = self._to_uu(x, unit)
new_uu_h = self._to_uu(y, unit)
# set SVG page size
svg.attrib['width'] = str(x) + unit
svg.attrib['height'] = str(y) + unit
svg.attrib['viewBox'] = "0 0 %f %f" % (new_uu_w, new_uu_h)
def _read_custom_options(self, options):
"""
Read custom label geometry options and produce
a dictionary of parameters for ingestion
"""
unit = options.units
custom_opts = {
'units': options.units,
'page_size': None,
'margin': {
'l': self._to_uu(options.margin_l, unit),
't': self._to_uu(options.margin_t, unit)
},
'size': {
'x': self._to_uu(options.size_x, unit),
'y': self._to_uu(options.size_y, unit)
},
'pitch': {
'x': self._to_uu(options.pitch_x, unit),
'y': self._to_uu(options.pitch_y, unit)
},
'count': {
'x': options.count_x,
'y': options.count_y
},
'shapes': options.shapes,
'corner_rad': None,
}
return custom_opts
def _construct_preset_opts(self, preset_type, preset_id, options):
"""Construct an options object for a preset label template
"""
preset = PRESETS[preset_id]
unit = preset[1]
opts = {
'units': unit,
'page_size': self._get_page_size(preset[2]),
'margin': {
'l': self._to_uu(preset[3], unit),
't': self._to_uu(preset[4], unit)
},
'size': {
'x': self._to_uu(preset[5], unit),
'y': self._to_uu(preset[6], unit)
},
'pitch': {
'x': self._to_uu(preset[7], unit),
'y': self._to_uu(preset[8], unit)
},
'count': {
'x': preset[9],
'y': preset[10]
},
'shapes': preset[11],
'corner_rad': None,
}
# add addtional options by preset type
if preset_type == "rrect":
opts["corner_rad"] = self._to_uu(options.rrect_radius, unit)
return opts
def _get_regular_guides(self, label_opts, inset):
"""
Get the guides for a set of labels defined by a regular grid
This is done so that irregular-grid presets can be defined if
needed
"""
guides = {'v': [], 'h': []}
x = label_opts['margin']['l']
# Vertical guides, left to right
for x_idx in range(label_opts['count']['x']):
l_pos = x + inset
r_pos = x + label_opts['size']['x'] - inset
guides['v'].extend([l_pos, r_pos])
# Step over to next label
x += label_opts['pitch']['x']
# Horizontal guides, bottom to top
y = label_opts['margin']['t']
for y_idx in range(label_opts['count']['y']):
t_pos = y + inset
b_pos = y + label_opts['size']['y'] - inset
guides['h'].extend([t_pos, b_pos])
# Step over to next label
y += label_opts['pitch']['y']
return guides
def _draw_label_guides(self, document, label_opts, inset, colour):
"""
Draws label guides from a regular guide description object
"""
# convert to UU
inset = self._to_uu(inset, label_opts['units'])
guides = self._get_regular_guides(label_opts, inset)
# Get parent tag of the guides
nv = self.svg.namedview
# Draw vertical guides
for g in guides['v']:
add_SVG_guide(g, 0, 'vert', colour, nv)
# Draw horizontal guides
for g in guides['h']:
add_SVG_guide(0, self.svg.viewbox_height - g, 'horz', colour, nv)
def _draw_centre_guides(self, document, label_opts, colour):
"""
Draw guides in the centre of labels defined by the given options
"""
guides = self._get_regular_guides(label_opts, 0)
nv = self.svg.namedview
for g in range(0, len(guides['v']), 2):
pos = (guides['v'][g] + guides['v'][g + 1]) / 2
add_SVG_guide(pos, 0, 'vert', colour, nv)
for g in range(0, len(guides['h']), 2):
pos = (guides['h'][g] + guides['h'][g + 1]) / 2
add_SVG_guide(0, self.svg.viewbox_height - pos, 'horz', colour, nv)
def _draw_shapes(self, document, label_opts, inset):
"""
Draw label shapes from a regular grid
"""
style = {
'stroke': '#000000',
'stroke-width': self._to_uu(1, "px"),
'fill': "none"
}
inset = self._to_uu(inset, label_opts['units'])
guides = self._get_regular_guides(label_opts, 0)
shape = label_opts['shapes']
shapeLayer = add_SVG_layer(
self.document.getroot(),
self.svg.get_unique_id("outlineLayer"),
"Label outlines")
# draw shapes between every set of two guides
for xi in range(0, len(guides['v']), 2):
for yi in range(0, len(guides['h']), 2):
if shape == 'circle':
cx = (guides['v'][xi] + guides['v'][xi + 1]) / 2
cy = (guides['h'][yi] + guides['h'][yi + 1]) / 2
rx = cx - guides['v'][xi] - inset
ry = cy - guides['h'][yi] - inset
draw_SVG_ellipse(rx, ry, cx, cy, style, shapeLayer)
elif shape in ["rect", "rrect"]:
x = guides['v'][xi] + inset
w = guides['v'][xi + 1] - x - inset
y = guides['h'][yi] + inset
h = guides['h'][yi + 1] - y - inset
rnd = self._to_uu(label_opts['corner_rad'],
label_opts['units'])
draw_SVG_rect(x, y, w, h, rnd, style, shapeLayer)
def _set_page_size(self, document, label_opts):
"""
Set the SVG page size from the given label template definition
"""
size = label_opts['page_size']
unit = label_opts['units']
if size is not None:
self._set_SVG_page_size(document, size[0], size[1], unit)
def effect(self):
"""
Perform the label template generation effect
"""
preset_type = self.options.preset_tab.strip('"')
if preset_type == "custom":
# construct from parameters
label_opts = self._read_custom_options(self.options)
else:
# construct from a preset
# get the preset ID from the relevant enum entry
preset_id = {
"rrect": self.options.rrect_preset,
"rect": self.options.rect_preset,
"circ": self.options.circ_preset,
}[preset_type]
label_opts = self._construct_preset_opts(preset_type, preset_id,
self.options)
if self.options.delete_existing_guides:
delete_all_guides(self.document)
# Resize page first, otherwise guides won't be in the right places
if self.options.set_page_size:
self._set_page_size(self.document, label_opts)
if self.options.draw_edge_guides:
self._draw_label_guides(self.document, label_opts, 0,
GUIDE_COLOURS['edge'])
if self.options.draw_centre_guides:
self._draw_centre_guides(self.document, label_opts,
GUIDE_COLOURS['centre'])
if self.options.draw_inset_guides and self.options.inset > 0.0:
self._draw_label_guides(self.document, label_opts,
self.options.inset,
GUIDE_COLOURS['inset'])
if self.options.draw_shapes:
self._draw_shapes(self.document, label_opts, 0)
if self.options.draw_inset_shapes:
self._draw_shapes(self.document, label_opts,
self.options.shape_inset)
if __name__ == '__main__':
LabelGuides().run()