#! /usr/bin/env python
'''
Copyright (C) 2009 Aurelio A. Heckert <aurium (a) gmail dot com>
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 2 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
'''
__version__ = "0.2"
import inkex, simplestyle
from math import *
from simplepath import formatPath
import simpletransform
class FoldableBox(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option("-x", "--width",
action="store", type="float",
dest="width", default=10.0,
help="The Box Width - in the X dimension")
self.OptionParser.add_option("-y", "--height",
action="store", type="float",
dest="height", default=15.0,
help="The Box Height - in the Y dimension")
self.OptionParser.add_option("-z", "--depth",
action="store", type="float",
dest="depth", default=3.0,
help="The Box Depth - in the Z dimension")
self.OptionParser.add_option("-u", "--unit",
action="store", type="string",
dest="unit", default="cm",
help="The unit of the box dimensions")
self.OptionParser.add_option("-p", "--paper-thickness",
action="store", type="float",
dest="thickness", default=0.01,
help="Paper Thickness - sometimes that is important")
self.OptionParser.add_option("-t", "--tab-proportion",
action="store", type="float",
dest="tabProportion", default=0.6,
help="Inner tab propotion for upper tab")
self.OptionParser.add_option("-g", "--guide-line",
action="store", type="inkbool",
dest="guideLine", default=True,
help="Add guide lines to help the drawing limits")
def effect(self):
docW = self.unittouu(self.document.getroot().get('width'))
docH = self.unittouu(self.document.getroot().get('height'))
boxW = self.unittouu( str(self.options.width) + self.options.unit )
boxH = self.unittouu( str(self.options.height) + self.options.unit )
boxD = self.unittouu( str(self.options.depth) + self.options.unit )
tabProp = self.options.tabProportion
tabH = boxD * tabProp
box_id = self.uniqueId('box')
self.box = g = inkex.etree.SubElement(self.current_layer, 'g', {'id':box_id})
line_style = simplestyle.formatStyle({ 'stroke': '#000000', 'fill': 'none', 'stroke-width': str(self.unittouu('1px')) })
#self.createGuide( 0, docH, 0 );
# Inner Close Tab
line_path = [
[ 'M', [ boxW-(tabH*0.7), 0 ] ],
[ 'C', [ boxW-(tabH*0.25), 0, boxW, tabH*0.3, boxW, tabH*0.9 ] ],
[ 'L', [ boxW, tabH ] ],
[ 'L', [ 0, tabH ] ],
[ 'L', [ 0, tabH*0.9 ] ],
[ 'C', [ 0, tabH*0.3, tabH*0.25, 0, tabH*0.7, 0 ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-inner-close-tab', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
lower_pos = boxD+tabH
left_pos = 0
#self.createGuide( 0, docH-tabH, 0 );
# Upper Close Tab
line_path = [
[ 'M', [ left_pos, tabH ] ],
[ 'L', [ left_pos + boxW, tabH ] ],
[ 'L', [ left_pos + boxW, lower_pos ] ],
[ 'L', [ left_pos + 0, lower_pos ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-upper-close-tab', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos += boxW
# Upper Right Tab
sideTabH = lower_pos - (boxW/2)
if sideTabH < tabH: sideTabH = tabH
line_path = [
[ 'M', [ left_pos, sideTabH ] ],
[ 'L', [ left_pos + (boxD*0.8), sideTabH ] ],
[ 'L', [ left_pos + boxD, ((lower_pos*3)-sideTabH)/3 ] ],
[ 'L', [ left_pos + boxD, lower_pos ] ],
[ 'L', [ left_pos + 0, lower_pos ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-upper-right-tab', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos += boxW + boxD
# Upper Left Tab
line_path = [
[ 'M', [ left_pos + boxD, sideTabH ] ],
[ 'L', [ left_pos + (boxD*0.2), sideTabH ] ],
[ 'L', [ left_pos, ((lower_pos*3)-sideTabH)/3 ] ],
[ 'L', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos + boxD, lower_pos ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-upper-left-tab', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos = 0
#self.createGuide( 0, docH-tabH-boxD, 0 );
# Right Tab
line_path = [
[ 'M', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos - (boxD/2), lower_pos + (boxD/4) ] ],
[ 'L', [ left_pos - (boxD/2), lower_pos + boxH - (boxD/4) ] ],
[ 'L', [ left_pos, lower_pos + boxH ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-left-tab', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
# Front
line_path = [
[ 'M', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos + boxW, lower_pos ] ],
[ 'L', [ left_pos + boxW, lower_pos + boxH ] ],
[ 'L', [ left_pos, lower_pos + boxH ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-front', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos += boxW
# Right
line_path = [
[ 'M', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos + boxD, lower_pos ] ],
[ 'L', [ left_pos + boxD, lower_pos + boxH ] ],
[ 'L', [ left_pos, lower_pos + boxH ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-right', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos += boxD
# Back
line_path = [
[ 'M', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos + boxW, lower_pos ] ],
[ 'L', [ left_pos + boxW, lower_pos + boxH ] ],
[ 'L', [ left_pos, lower_pos + boxH ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-back', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos += boxW
# Left
line_path = [
[ 'M', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos + boxD, lower_pos ] ],
[ 'L', [ left_pos + boxD, lower_pos + boxH ] ],
[ 'L', [ left_pos, lower_pos + boxH ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-left', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
lower_pos += boxH
left_pos = 0
bTab = lower_pos + boxD
if bTab > boxW / 2.5: bTab = boxW / 2.5
# Bottom Front Tab
line_path = [
[ 'M', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos, lower_pos + (boxD/2) ] ],
[ 'L', [ left_pos + boxW, lower_pos + (boxD/2) ] ],
[ 'L', [ left_pos + boxW, lower_pos ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-bottom-front-tab', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos += boxW
# Bottom Right Tab
line_path = [
[ 'M', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos, lower_pos + bTab ] ],
[ 'L', [ left_pos + boxD, lower_pos + bTab ] ],
[ 'L', [ left_pos + boxD, lower_pos ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-bottom-right-tab', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos += boxD
# Bottom Back Tab
line_path = [
[ 'M', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos, lower_pos + (boxD/2) ] ],
[ 'L', [ left_pos + boxW, lower_pos + (boxD/2) ] ],
[ 'L', [ left_pos + boxW, lower_pos ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-bottom-back-tab', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos += boxW
# Bottom Left Tab
line_path = [
[ 'M', [ left_pos, lower_pos ] ],
[ 'L', [ left_pos, lower_pos + bTab ] ],
[ 'L', [ left_pos + boxD, lower_pos + bTab ] ],
[ 'L', [ left_pos + boxD, lower_pos ] ],
[ 'Z', [] ]
]
line_atts = { 'style':line_style, 'id':box_id+'-bottom-left-tab', 'd':formatPath(line_path) }
inkex.etree.SubElement(g, inkex.addNS('path','svg'), line_atts )
left_pos += boxD
lower_pos += bTab
g.set( 'transform', 'translate(%f,%f)' % ( (docW-left_pos)/2, (docH-lower_pos)/2 ) )
# compensate preserved transforms of parent layer
if self.current_layer.getparent() is not None:
mat = simpletransform.composeParents(self.current_layer, [[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]])
simpletransform.applyTransformToNode(simpletransform.invertTransform(mat), g)
if __name__ == '__main__': #pragma: no cover
e = FoldableBox()
e.affect()
# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99