def makeRotTransform(cls, theta, origin):
if isinstance(origin, QtCore.QPointF) or isinstance(
origin, QtCore.QPoint):
origin = (origin.x(), origin.y())
rotMat = (math.cos(theta), -math.sin(theta), math.sin(theta),
math.cos(theta))
shift = xasy2asy.asyTransform((0, 0, 1 - rotMat[0], -rotMat[1],
-rotMat[2], 1 - rotMat[3])) * origin
return xasy2asy.asyTransform(
(shift[0], shift[1], rotMat[0], rotMat[1], rotMat[2], rotMat[3]))
def extractTransform(line):
"""Returns key and the new transform."""
# see https://regex101.com/r/6DqkRJ/4 for info
mapString = x2a.xasyItem.mapString
testMatch = re.match(
r'^{0:s}\s*\(\s*\"([^\"]+)\"\s*,\s*\(([-\d, .]+)\)\s*\)'.format(
mapString), line.strip())
if testMatch is None:
mapOnlyMatch = re.match(
r'^{0:s}\s*\(\s *\"([^\"]+)\"\s*\)'.format(mapString),
line.strip())
if mapOnlyMatch is None:
return None
else:
key = mapOnlyMatch.group(1)
return key, x2a.identity()
else:
key = testMatch.group(1)
rawStr = testMatch.group(2)
rawStrArray = rawStr.split(',')
if len(rawStrArray) != 6:
return None
transf = [float(val.strip()) for val in rawStrArray]
return key, x2a.asyTransform(transf)
def applyChanges(self):
self.modified = True
self.shape.transform[0] = xasy2asy.asyTransform((0,0,1,0,0,1))
for i in range(len(self.nodeList)):
self.path.nodeSet[i] = self.nodeList[i].node
if self.nodeList[i].postcontrol != None:
self.path.controlSet[i][0] = self.nodeList[i].postcontrol
if self.nodeList[i].precontrol != None:
self.path.controlSet[i-1][1] = self.nodeList[i].precontrol
def makeScaleTransform(cls, sx, sy, origin):
if isinstance(origin, Qc.QPointF) or isinstance(origin, Qc.QPoint):
origin = (origin.x(), origin.y())
shiftMat = x2a.asyTransform((0, 0, 1 - sx, 0, 0, 1 - sy)) * origin
return x2a.asyTransform((shiftMat[0], shiftMat[1], sx, 0, 0, sy))