Cura/cura_sf/fabmetheus_utilities/geometry/creation/_svg.py

   1 """
   2 Svg reader.
   3
   4 """
   5
   6
   7 from __future__ import absolute_import
   8 #Init has to be imported first because it has code to workaround the python bug where relative imports don't work if the module is imported as a main module.
   9 import __init__
  10
  11 from fabmetheus_utilities.geometry.creation import lineation
  12 from fabmetheus_utilities.geometry.geometry_tools import path
  13 from fabmetheus_utilities import euclidean
  14 from fabmetheus_utilities import svg_reader
  15
  16
  17 __author__ = 'Enrique Perez (perez_enrique@yahoo.com)'
  18 __credits__ = 'Nophead <http://hydraraptor.blogspot.com/>\nArt of Illusion <http://www.artofillusion.org/>'
  19 __date__ = '$Date: 2008/21/04 $'
  20 __license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
  21
  22
  23 def getGeometryOutput(derivation, elementNode):
  24         "Get vector3 vertexes from attribute dictionary."
  25         if derivation == None:
  26                 derivation = SVGDerivation(elementNode)
  27         return getGeometryOutputBySVGReader(elementNode, derivation.svgReader)
  28
  29 def getGeometryOutputByArguments(arguments, elementNode):
  30         "Get vector3 vertexes from attribute dictionary by arguments."
  31         derivation = SVGDerivation()
  32         derivation.svgReader.parseSVG('', arguments[0])
  33         return getGeometryOutput(derivation, elementNode)
  34
  35 def getGeometryOutputBySVGReader(elementNode, svgReader):
  36         "Get vector3 vertexes from svgReader."
  37         geometryOutput = []
  38         for loopLayer in svgReader.loopLayers:
  39                 for loop in loopLayer.loops:
  40                         vector3Path = euclidean.getVector3Path(loop, loopLayer.z)
  41                         sideLoop = lineation.SideLoop(vector3Path)
  42                         sideLoop.rotate(elementNode)
  43                         geometryOutput += lineation.getGeometryOutputByManipulation(elementNode, sideLoop)
  44         return geometryOutput
  45
  46 def getNewDerivation(elementNode):
  47         'Get new derivation.'
  48         return SVGDerivation(elementNode)
  49
  50 def processElementNode(elementNode):
  51         "Process the xml element."
  52         path.convertElementNode(elementNode, getGeometryOutput(None, elementNode))
  53
  54
  55 class SVGDerivation:
  56         "Class to hold svg variables."
  57         def __init__(self, elementNode):
  58                 'Set defaults.'
  59                 self.svgReader = svg_reader.SVGReader()
  60                 self.svgReader.parseSVGByElementNode(elementNode)