everything in a 'trunk' directory

coloridadd.py

@@ -0,0 +1,138 @@
+#!/usr/bin/env python
+
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as published by
+#    the Affero, Inc., 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 Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.fsf.org/licensing/licenses/agpl-3.0.html>.
+
+###############################################################################################
+# Coloridadd is a script to generate SVG shapes representing colors, 
+# using the ColorAdd code developped by Miguel Neiva: http://coloradd.net 
+# The ColorAdd code is a monochromatic Graphical Code allowing colorblind to recognize colors.
+###############################################################################################
+
+import xml.dom.minidom as minidom
+
+class ColorIdAdd:
+
+	def __init__(self,primitives="primitives.svg"):
+		self.load(primitives)
+		self.parseShapes()
+		self.removeShapes()
+
+
+	def getElementById( self, elements, id ):
+		for e in elements:
+			if e.getAttribute("id") == id:
+				return e
+		return None
+
+
+	def load( self, filename ):
+		self.dom = minidom.parse(filename)
+
+
+	def parseShapes(self):
+		paths = self.dom.getElementsByTagName("path")
+		rects = self.dom.getElementsByTagName("rect")
+		forms = paths + rects
+
+		self.shapes = {}
+
+		for id in ["yellow", "yellow-dark", "blue", "blue-dark", "red", "red-dark", "dark", "light", "grey", "grey-dark", "shine"]:
+			self.shapes[id] = self.getElementById( forms, id )
+		
+
+	def removeShapes(self):
+		gs = self.dom.getElementsByTagName("g")
+		for g in gs:
+			for e in g.childNodes:
+				if e.nodeType == e.ELEMENT_NODE:
+					g.removeChild(e)
+
+
+	def add(self,id):
+		g = self.dom.getElementsByTagName("g")[0]
+		g.appendChild( self.shapes[id] )
+
+
+	def encode(self,pigments):
+		"""'pigments' must be a dictionary with the following keys:
+			blue, red, yellow, black, grey, shine"""
+
+		suffix = ""
+
+		if pigments.black:
+			self.add("dark")
+			suffix = "-dark"
+		else:
+			self.add("light")
+
+		if pigments.grey and not pigments.blue and not pigments.red and not pigments.yellow:
+			self.add("grey"+suffix)
+
+		if pigments.blue:
+			self.add("blue"+suffix)
+
+		if pigments.red:
+			self.add("red"+suffix)
+
+		if pigments.yellow:
+			self.add("yellow"+suffix)
+
+		if pigments.shine:
+			self.add("shine")
+
+
+if __name__=="__main__":
+	import sys
+	from optparse import OptionParser
+	
+	parser = OptionParser()
+
+	parser.add_option("-r", "--red", action="store_true", dest="red",
+		help="add red pigment")
+
+	parser.add_option("-b", "--blue", action="store_true", dest="blue",
+		help="add blue pigment")
+
+	parser.add_option("-y", "--yellow", action="store_true", dest="yellow",
+		help="add yellow pigment")
+
+	parser.add_option("-k", "--black", action="store_true", dest="black",
+		help="add black pigment")
+
+	parser.add_option("-e", "--grey", action="store_true", dest="grey",
+		help="add grey pigment")
+
+	parser.add_option("-s", "--shine", action="store_true", dest="shine",
+		help='add the "shine" special pigment')
+
+	parser.add_option("-o", "--output", dest="filename",
+		help="write shape to FILE instead of standard output", metavar="FILE")
+
+	parser.add_option("-p", "--primitives", dest="primitives", default="primitives.svg",
+		help="use FILE as the SVG file containing primitives", metavar="FILE")
+
+	(options, args) = parser.parse_args()
+
+
+	cia = ColorIdAdd( options.primitives )
+
+	cia.encode(options)
+
+	if options.filename:
+		f = open( options.filename, 'w' )
+		f.write( cia.dom.toprettyxml() )
+		f.close()
+	else:
+		print cia.dom.toprettyxml()
+