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))