def readItemFromStream(self, stream, offset=0):
type = ""
position = QPointF()
matrix = QTransform()
rotateangle=0#add by yangrongdong
type=stream.readQString()
stream >> position >> matrix
if offset:
position += QPointF(offset, offset)
if type == "文字2":
text = ""
font = QFont()
text=stream.readQString()
stream >> font
item=TextItem(text, position, self.scene, font, matrix)
elif type == "矩形2":
rect = QRectF()
stream >> rect
style = Qt.PenStyle(stream.readInt16())
brush = stream.readInt16()
item=BoxItem(position, self.scene, style, brush, rect, matrix)
elif type == "矩形":
rect = QRectF()
stream >> rect
style = Qt.PenStyle(stream.readInt16())
brush = stream.readInt16()
item=BoxItem(position, self.scene, style, brush, rect, matrix)
elif type == "图片":
pixmap = QPixmap()
stream >> pixmap
item = GraphicsPixmapItem(self.scene, pixmap,
position, matrix)
item.CompMode = stream.readInt16()
if type in ('文字2','矩形','矩形2','图片'):
sc = stream.readFloat()
rotateangle = stream.readFloat()
item_Zvalue = stream.readInt16()
item_order = stream.readInt16()
item_desc = stream.readQString()
item.setRotation(rotateangle)
item.setScale(sc)
#QMessageBox.warning(self, "read"+type, "ItemDesciption: "+item_desc)
item.setZValue(item_Zvalue)
item.setData(self.view.ItemId,item_order)
item.setData(self.view.ItemDesciption, item_desc)
