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

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