Cura/cura_sf/fabmetheus_utilities/geometry/manipulation_matrix/_scale.py

   1 """
   2 Boolean geometry scale.
   3
   4 """
   5
   6 from __future__ import absolute_import
   7 #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.
   8 import __init__
   9
  10 from fabmetheus_utilities.geometry.creation import solid
  11 from fabmetheus_utilities.geometry.geometry_utilities import matrix
  12 from fabmetheus_utilities.vector3 import Vector3
  13 from fabmetheus_utilities import euclidean
  14
  15
  16 __author__ = 'Enrique Perez (perez_enrique@yahoo.com)'
  17 __credits__ = 'Art of Illusion <http://www.artofillusion.org/>'
  18 __date__ = '$Date: 2008/02/05 $'
  19 __license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
  20
  21
  22 globalExecutionOrder = 340
  23
  24
  25 def getManipulatedGeometryOutput(elementNode, geometryOutput, prefix):
  26         "Get equated geometryOutput."
  27         scalePoints( elementNode, matrix.getVertexes(geometryOutput), prefix )
  28         return geometryOutput
  29
  30 def getManipulatedPaths(close, elementNode, loop, prefix, sideLength):
  31         "Get equated paths."
  32         scalePoints( elementNode, loop, prefix )
  33         return [loop]
  34
  35 def getNewDerivation(elementNode, prefix, sideLength):
  36         'Get new derivation.'
  37         return ScaleDerivation(elementNode)
  38
  39 def manipulateElementNode(elementNode, target):
  40         "Manipulate the xml element."
  41         derivation = ScaleDerivation(elementNode)
  42         if derivation.scaleTetragrid == None:
  43                 print('Warning, scaleTetragrid was None in scale so nothing will be done for:')
  44                 print(elementNode)
  45                 return
  46         matrix.setAttributesToMultipliedTetragrid(target, derivation.scaleTetragrid)
  47
  48 def processElementNode(elementNode):
  49         "Process the xml element."
  50         solid.processElementNodeByFunction(elementNode, manipulateElementNode)
  51
  52 def scalePoints(elementNode, points, prefix):
  53         "Scale the points."
  54         scaleVector3Default = Vector3(1.0, 1.0, 1.0)
  55         scaleVector3 = matrix.getCumulativeVector3Remove(scaleVector3Default.copy(), elementNode, prefix)
  56         if scaleVector3 == scaleVector3Default:
  57                 return
  58         for point in points:
  59                 point.x *= scaleVector3.x
  60                 point.y *= scaleVector3.y
  61                 point.z *= scaleVector3.z
  62
  63
  64 class ScaleDerivation:
  65         "Class to hold scale variables."
  66         def __init__(self, elementNode):
  67                 'Set defaults.'
  68                 self.scaleTetragrid = matrix.getScaleTetragrid(elementNode, '')