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#!/usr/bin/env python
'''
Copyright (C) 2005 Aaron Spike, aaron@ekips.org
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
'''
import sys
import inkex, simplestyle, simplepath
import ffscale, ffproc
def seg2path(seg):
return "M%s,%sL%s,%s" % (seg[0]['x'],seg[0]['y'],seg[1]['x'],seg[1]['y'])
class FretFind(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.doScala = False
self.doMultiScale = False
self.OptionParser.add_option("--scalafile",
action="store", type="string",
dest="scalafile", default=None,
help="")
self.OptionParser.add_option("--scalascale",
action="store", type="string",
dest="scalascale", default=None,
help="")
self.OptionParser.add_option("--etbase",
action="store", type="float",
dest="etbase", default=2.0,
help="")
self.OptionParser.add_option("--etroot",
action="store", type="float",
dest="etroot", default=12.0,
help="")
self.OptionParser.add_option("--tuning",
action="store", type="string",
dest="tuning", default="0;0;0;0;0;0",
help="")
self.OptionParser.add_option("--perpdist",
action="store", type="float",
dest="perpdist", default=0.5,
help="")
self.OptionParser.add_option("--offset",
action="store", type="float",
dest="offset", default=0.0,
help="")
self.OptionParser.add_option("--scalelength",
action="store", type="float",
dest="scalelength", default=25.0,
help="")
self.OptionParser.add_option("--firstscalelength",
action="store", type="float",
dest="firstscalelength", default=None,
help="")
self.OptionParser.add_option("--lastscalelength",
action="store", type="float",
dest="lastscalelength", default=None,
help="")
self.OptionParser.add_option("--nutwidth",
action="store", type="float",
dest="nutwidth", default=1.5,
help="")
self.OptionParser.add_option("--bridgewidth",
action="store", type="float",
dest="bridgewidth", default=2.5,
help="")
self.OptionParser.add_option("--frets",
action="store", type="int",
dest="frets", default=24,
help="")
self.OptionParser.add_option("--strings",
action="store", type="int",
dest="strings", default=6,
help="")
self.OptionParser.add_option("--fbedges",
action="store", type="float",
dest="fbedges", default=0.0975,
help="")
self.OptionParser.add_option("--pxperunit",
action="store", type="float",
dest="pxperunit", default=90,
help="")
def checkopts(self):
#scale type
if self.options.scalascale is not None:
self.doScala = True
if self.options.scalafile is not None:
if self.doScala:
sys.stderr.write('Mutually exclusive options: if found scalafile will override scalascale.')
else:
self.options.scalascale = ""
self.doScala = True
try:
f = open(self.options.scalafile,'r')
self.options.scalascale = f.read()
except:
sys.exit('Scala scale description file expected.')
#scale
if self.doScala:
self.scale = ffscale.ScalaScale(self.options.scalascale)
else:
self.scale = ffscale.ETScale(self.options.etroot,self.options.etbase)
#string length
first = self.options.firstscalelength is not None
last = self.options.lastscalelength is not None
if first and last:
self.doMultiScale = True
elif first:
sys.stderr.write('Missing lastscalelength: overriding scalelength with firstscalelength.')
self.options.scalelength = self.options.firstscalelength
elif last:
sys.stderr.write('Missing firstscalelength: overriding scalelength with lastscalelength.')
self.options.scalelength = self.options.lastscalelength
#tuning
self.tuning = [int(t.strip()) for t in self.options.tuning.split(";")]
self.tuning.extend([0 for i in range(self.options.strings - len(self.tuning))])
def effect(self):
self.checkopts()
o = self.options.fbedges
oNF,oBF,oNL,oBL = o,o,o,o
if self.doMultiScale:
strings, meta = ffproc.FindStringsMultiScale(self.options.strings,self.options.firstscalelength,
self.options.lastscalelength,self.options.nutwidth,self.options.bridgewidth,
self.options.perpdist,oNF,oBF,oNL,oBL)
else:
strings, meta = ffproc.FindStringsSingleScale(self.options.strings,self.options.scalelength,
self.options.nutwidth,self.options.bridgewidth,
oNF,oBF,oNL,oBL)
frets = ffproc.FindFrets(strings, meta, self.scale, self.tuning, self.options.frets)
edgepath = seg2path(meta[0]) + seg2path(meta[-1])
stringpath = "".join([seg2path(s) for s in strings])
fretpath = "".join(["".join([seg2path(f) for f in s]) for s in frets])
group = self.document.createElement('svg:g')
group.setAttribute('transform',"scale(%s,%s)" % (self.options.pxperunit,self.options.pxperunit))
self.current_layer.appendChild(group)
edge = self.document.createElement('svg:path')
s = {'stroke-linejoin': 'miter', 'stroke-width': '0.01px',
'stroke-opacity': '1.0', 'fill-opacity': '1.0',
'stroke': '#0000FF', 'stroke-linecap': 'butt',
'fill': 'none'}
edge.setAttribute('style', simplestyle.formatStyle(s))
edge.setAttribute('d', edgepath)
string = self.document.createElement('svg:path')
s = {'stroke-linejoin': 'miter', 'stroke-width': '0.01px',
'stroke-opacity': '1.0', 'fill-opacity': '1.0',
'stroke': '#FF0000', 'stroke-linecap': 'butt',
'fill': 'none'}
string.setAttribute('style', simplestyle.formatStyle(s))
string.setAttribute('d', stringpath)
fret = self.document.createElement('svg:path')
s = {'stroke-linejoin': 'miter', 'stroke-width': '0.01px',
'stroke-opacity': '1.0', 'fill-opacity': '1.0',
'stroke': '#000000', 'stroke-linecap': 'butt',
'fill': 'none'}
fret.setAttribute('style', simplestyle.formatStyle(s))
fret.setAttribute('d', fretpath)
group.appendChild(edge)
group.appendChild(string)
group.appendChild(fret)
e = FretFind()
e.affect()
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