moving trunk for module inkscape

(bzr r1)

1 files changed, 186 insertions, 0 deletions

diff --git a/share/extensions/fretfind.py b/share/extensions/fretfind.py
new file mode 100755
index 000000000..310a09a5d
--- /dev/null
+++ b/share/extensions/fretfind.py
@@ -0,0 +1,186 @@
+#!/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.document.documentElement.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()