def write(self, map, fileName):
# Open up a temporary file for saving the level.
file = QSaveFile(fileName)
if (not file.open(QIODevice.WriteOnly)):
self.mError = self.tr("Could not open temporary file for writing.")
return False
# Create an output stream for serializing data.
out = QDataStream(file)
out.setByteOrder(QDataStream.LittleEndian)
out.setFloatingPointPrecision(QDataStream.SinglePrecision)
# Write out the signature and file header.
out.writeInt8(96) # Signature.
out.writeInt8(map.layerCount())
ok = False
x, ok = Int2(map.property("background_index"))
if (not ok):
self.mError = self.tr("You must define a background_index property on the map!")
return False
out.writeInt8(x)
# Write out each layer.
for i in range(0, map.layerCount()):
layer = map.layerAt(i).asTileLayer()
if (not layer):
self.mError = self.tr("Can't save non-tile layer!")
return False
if (not self.writeLayer(out, layer)):
return False
if not file.commit():
self.mError = file.errorString()
return False
return True
def send(self, command, *args):
self._logger.info("GC<<: {}:{}".format(command, args))
ds = QDataStream(self._socket)
ds.setByteOrder(QDataStream.LittleEndian)
# Header
ds.writeUInt32(len(command))
ds.writeRawData(command.encode())
# Chunks
ds.writeUInt32(len(args))
for chunk in args:
ds.writeRawData(self._packLuaVal(chunk))
def createPath(cls, x, y, fill=Qt.OddEvenFill):
# https://code.woboq.org/qt5/qtbase/src/gui/painting/qpainterpath.cpp.html#_ZrsR11QDataStreamR12QPainterPath
# http://doc.qt.io/qt-5/qpainterpath.html#ElementType-enum
# http://doc.qt.io/qt-5/qt.html#FillRule-enum
# QDataStream &QPainterPath::operator>>(QDataStream &s, QPainterPath &p)
# offset size type description
# 0 4 int32 element count (N)
# 4 4 int32 element type (0 -- 3)
# 8 8 double x
# 16 8 double y
# ...
# 20*i+ 4 4 int32 element type (0 -- 3)
# 20*i+ 8 8 double x
# 20*i+16 8 double y
# ...
# 20*(N-1)+ 4 4 int32 element type (0 -- 3)
# 20*(N-1)+ 8 8 double x
# 20*(N-1)+16 8 double y
# 20*(N-1)+20 4 int32 next starting i (N-1)
# 20*(N-1)+24 4 int32 fill rule
path = QPainterPath()
N = x.shape[0]
if N == 0:
return path
data = np.empty(N + 2,
dtype=[('type', '<i4'), ('x', '<f8'), ('y', '<f8')])
data[1]['type'] = 0
data[2:N + 1]['type'] = 1
data[1:N + 1]['x'] = x
data[1:N + 1]['y'] = y
fpos = 20 * (N + 1)
view = data.view(dtype=np.ubyte)
view[:16] = 0
view.data[16:20] = struct.pack('<i', N)
view.data[fpos:fpos + 8] = struct.pack('<ii', N - 1, int(fill))
buf = QByteArray.fromRawData(view.data[16:fpos + 8])
ds = QDataStream(buf)
ds.setByteOrder(ds.LittleEndian)
ds >> path
return path
def write(self, map, fileName):
collisionLayer = None
for layer in map.layers():
if layer.name().lower() == "collision":
tileLayer = layer.asTileLayer()
if tileLayer:
if (collisionLayer) :
self.mError = self.tr("Multiple collision layers found!")
return False
collisionLayer = tileLayer
if (not collisionLayer) :
self.mError = self.tr("No collision layer found!")
return False
file = QSaveFile(fileName)
if (not file.open(QIODevice.WriteOnly)) :
self.mError = self.tr("Could not open file for writing.")
return False
width = collisionLayer.width()
height = collisionLayer.height()
stream = QDataStream(file)
stream.setByteOrder(QDataStream.LittleEndian)
stream.writeInt16(width&0xffff)
stream.writeInt16(height&0xffff)
for y in range(0, height):
for x in range(0, width):
tile = collisionLayer.cellAt(x, y).tile
stream.writeInt8(int(tile and tile.id()> 0)&0xff)
if not file.commit():
self.mError = file.errorString()
return False
return True
def _onReadyRead(self):
while self._socket.bytesAvailable() >= 4:
ds = QDataStream(self._socket)
ds.setByteOrder(QDataStream.LittleEndian)
# Header packet
if self.header is None:
size, = unpack('=l', self._socket.peek(4))
if self._socket.bytesAvailable() < size + 4:
return
# Omit size
ds.readUInt32()
self.header = ds.readRawData(size).decode()
# Chunks packet
else:
if self.nchunks == -1:
self.nchunks = ds.readUInt32()
self.chunks = []
while len(self.chunks) < self.nchunks:
chunk = self._readLuaVal(ds)
if chunk is None:
return
self.chunks.append(chunk)
# Packet pair reading done.
self._logger.info("GC >> : %s : %s", self.header, self.chunks)
self.messageReceived.emit(self.header, self.chunks)
self.header = None
self.nchunks = -1
self.chunks = None
def write(self, map, fileName):
# Open up a temporary file for saving the level.
file = QSaveFile(fileName)
if (not file.open(QIODevice.WriteOnly)):
self.mError = self.tr("Could not open temporary file for writing.")
return False
# Create an output stream for serializing data.
out = QDataStream(file)
out.setByteOrder(QDataStream.LittleEndian)
out.setFloatingPointPrecision(QDataStream.SinglePrecision)
# Write out the signature and file header.
out.writeInt8(96) # Signature.
out.writeInt8(map.layerCount())
ok = False
x, ok = Int2(map.property("background_index"))
if (not ok):
self.mError = self.tr(
"You must define a background_index property on the map!")
return False
out.writeInt8(x)
# Write out each layer.
for i in range(0, map.layerCount()):
layer = map.layerAt(i).asTileLayer()
if (not layer):
self.mError = self.tr("Can't save non-tile layer!")
return False
if (not self.writeLayer(out, layer)):
return False
if not file.commit():
self.mError = file.errorString()
return False
return True
class QmyMainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui = Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.ui.groupBox.setEnabled(False)
self.ui.actSaveALL.setEnabled(False)
self.ui.actReadALL.setEnabled(False)
self.__testFileName = ""
self.__typeSize = {
"char": 1,
"bool": 1,
"int8": 1,
"uint8": 1,
"int16": 2,
"uint16": 2,
"int32": 4,
"uint32": 4,
"int64": 8,
"uint64": 8,
"int": 4,
"uint": 4,
"float": 4,
"single": 4,
"double": 8
}
## ==============自定义功能函数============
def __iniWrite(self): ##开始写文件操作
self.fileDevice = QFile(self.__testFileName) #创建文件对象
if not self.fileDevice.open(QIODevice.WriteOnly):
del self.fileDevice #删除对象
return False
self.fileStream = QDataStream(self.fileDevice)
self.fileStream.setVersion(QDataStream.Qt_5_12) #设置流版本号，写入和读取的版本号要兼容
if self.ui.radio_BigEndian.isChecked():
self.fileStream.setByteOrder(QDataStream.BigEndian)
else:
self.fileStream.setByteOrder(QDataStream.LittleEndian)
if self.ui.radio_Single.isChecked(): #必须要设置，float和double都按照这个精度
self.fileStream.setFloatingPointPrecision(
QDataStream.SinglePrecision)
else:
self.fileStream.setFloatingPointPrecision(
QDataStream.DoublePrecision)
return True
def __delFileStream(self): ##结束写文件操作
self.fileDevice.close()
del self.fileStream
del self.fileDevice
def __iniRead(self): ##开始写文件操作
if not QFile.exists(self.__testFileName):
QMessageBox.critical(self, "错误", "文件不存在")
return False
self.fileDevice = QFile(self.__testFileName) #创建文件对象
if not self.fileDevice.open(QIODevice.ReadOnly):
del self.fileDevice #删除对象
return False
self.fileStream = QDataStream(self.fileDevice)
self.fileStream.setVersion(QDataStream.Qt_5_12) #设置版本号，写入和读取的版本号要兼容
if self.ui.radio_BigEndian.isChecked():
self.fileStream.setByteOrder(QDataStream.BigEndian)
else:
self.fileStream.setByteOrder(QDataStream.LittleEndian)
if self.ui.radio_Single.isChecked(): #必须要设置，float和double都按照这个精度
self.fileStream.setFloatingPointPrecision(
QDataStream.SinglePrecision)
else:
self.fileStream.setFloatingPointPrecision(
QDataStream.DoublePrecision)
return True
## ==========由connectSlotsByName() 自动连接的槽函数==================
@pyqtSlot()
def on_btnFile_clicked(self):
curPath = QDir.currentPath() #获取系统当前目录
title = "选择文件" #对话框标题
filt = "原始数据文件(*.raw)" #文件过滤器
fileName, flt = QFileDialog.getSaveFileName(self, title, curPath, filt)
if (fileName == ""):
return
self.__testFileName = fileName #测试用文件
self.ui.editFilename.setText(fileName)
self.ui.groupBox.setEnabled(True)
self.ui.actSaveALL.setEnabled(True)
self.ui.actReadALL.setEnabled(True)
@pyqtSlot() ##写 int8
def on_btnInt8_Write_clicked(self):
Value = self.ui.spin_Int8.value() # Python的int类型
if self.__iniWrite():
try:
bts = struct.pack('b', Value) # 'b'=signed char=int8
## writeRawData(self, bytes) -> int
self.fileStream.writeRawData(bts)
except Exception as e:
print(e)
QMessageBox.critical(self, "写int8过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 int8
def on_btnInt8_Read_clicked(self):
if self.__iniRead():
##readRawData(self, int) -> bytes
try:
bts = self.fileStream.readRawData(self.__typeSize["int8"])
## unpack(fmt, buffer) -> (v1, v2, ...)
Value, = struct.unpack('b', bts) # 'b'=signed char=int8
self.ui.edit_Int8.setText("%d" % Value)
except Exception as e:
QMessageBox.critical(self, "读int8过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 uint8
def on_btnUInt8_Write_clicked(self):
Value = self.ui.spin_UInt8.value()
if self.__iniWrite():
try:
bts = struct.pack('B', Value) # 'B'=unsigned char=uint8
self.fileStream.writeRawData(bts)
except Exception as e:
QMessageBox.critical(self, "写uint8过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 uint8
def on_btnUInt8_Read_clicked(self):
if self.__iniRead():
try:
bts = self.fileStream.readRawData(self.__typeSize["uint8"])
Value, = struct.unpack('B', bts) # 'B'=unsigned char=uint8
self.ui.edit_UInt8.setText("%d" % Value)
except Exception as e:
QMessageBox.critical(self, "读uint8过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 int16
def on_btnInt16_Write_clicked(self):
Value = self.ui.spin_Int16.value()
if self.__iniWrite():
try:
bts = struct.pack('h', Value) # 'h'=short, 2字节,=int16
self.fileStream.writeRawData(bts)
except Exception as e:
QMessageBox.critical(self, "写int16过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 int16
def on_btnInt16_Read_clicked(self):
if self.__iniRead():
try:
bts = self.fileStream.readRawData(self.__typeSize["int16"])
Value, = struct.unpack('h', bts) # 'h'=short, 2字节,=int16
self.ui.edit_Int16.setText("%d" % Value)
except Exception as e:
QMessageBox.critical(self, "读int16过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 uint16
def on_btnUInt16_Write_clicked(self):
Value = self.ui.spin_UInt16.value()
if self.__iniWrite():
try:
bts = struct.pack('H', Value) # 'H'=unsigned short, 2字节=uint16
self.fileStream.writeRawData(bts)
except Exception as e:
QMessageBox.critical(self, "写uint16过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 uint16
def on_btnUIn16_Read_clicked(self):
if self.__iniRead():
try:
bts = self.fileStream.readRawData(self.__typeSize["uint16"])
Value, = struct.unpack('H',
bts) # 'H'=unsigned short, 2字节,=uint16
self.ui.edit_UInt16.setText("%d" % Value)
except Exception as e:
QMessageBox.critical(self, "读uint16过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 int32
def on_btnInt32_Write_clicked(self):
Value = self.ui.spin_Int32.value()
if self.__iniWrite():
try:
bts = struct.pack('>l', Value) # '>l'=大字节序 int32
self.fileStream.writeRawData(bts)
except Exception as e:
QMessageBox.critical(self, "写int32过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 int32
def on_btnInt32_Read_clicked(self):
if self.__iniRead():
try:
bts = self.fileStream.readRawData(self.__typeSize["int32"])
Value, = struct.unpack('>l', bts) # '>l'= 大字节序int32
self.ui.edit_Int32.setText("%d" % Value)
except Exception as e:
QMessageBox.critical(self, "读int32过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 int64
def on_btnInt64_Write_clicked(self):
Value = self.ui.spin_Int64.value() #Python的int类型
if self.__iniWrite():
try:
bts = struct.pack('q', Value) # 'q'= long long, 8字节=int64
self.fileStream.writeRawData(bts)
except Exception as e:
QMessageBox.critical(self, "写int64过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 int64
def on_btnInt64_Read_clicked(self):
if self.__iniRead():
try:
bts = self.fileStream.readRawData(self.__typeSize["int64"])
Value, = struct.unpack('q', bts) # 'q'= long long, 8字节=int64
self.ui.edit_Int64.setText("%d" % Value)
except Exception as e:
QMessageBox.critical(self, "读int64过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 int
def on_btnInt_Write_clicked(self):
Value = self.ui.spin_Int.value()
if self.__iniWrite():
try:
bts = struct.pack('i', Value) # 'i'= int, 4字节=int
self.fileStream.writeRawData(bts)
except Exception as e:
QMessageBox.critical(self, "写int过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 int
def on_btnInt_Read_clicked(self):
if self.__iniRead():
try:
bts = self.fileStream.readRawData(self.__typeSize["int"])
Value, = struct.unpack('i', bts) # 'i'= int, 4字节=int
self.ui.edit_Int.setText("%d" % Value)
except Exception as e:
QMessageBox.critical(self, "读int过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 bool
def on_btnBool_Write_clicked(self):
Value = self.ui.chkBox_In.isChecked()
if self.__iniWrite():
bts = struct.pack('?', Value) # '?'= bool, 1字节
self.fileStream.writeRawData(bts)
self.__delFileStream()
@pyqtSlot() ##读 bool
def on_btnBool_Read_clicked(self):
if self.__iniRead():
bts = self.fileStream.readRawData(self.__typeSize["bool"])
Value, = struct.unpack('?', bts) # '?'= bool, 1字节
self.ui.chkBox_Out.setChecked(Value)
self.__delFileStream()
@pyqtSlot() ##写 float
def on_btnFloat_Write_clicked(self):
Value = self.ui.spin_Float.value() #float型
if self.__iniWrite():
try:
bts = struct.pack('f', Value) # 'f'= float, 4字节
self.fileStream.writeRawData(bts)
except Exception as e:
QMessageBox.critical(self, "写float过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 float
def on_btnFloat_Read_clicked(self):
if self.__iniRead():
try:
bts = self.fileStream.readRawData(self.__typeSize["float"])
Value, = struct.unpack('f', bts) # 'f'= float, 4字节
self.ui.edit_Float.setText("%.4f" % Value)
except Exception as e:
QMessageBox.critical(self, "读float过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 double
def on_btnDouble_Write_clicked(self):
Value = self.ui.spin_Double.value()
if self.__iniWrite():
try:
bts = struct.pack('d', Value) # 'd'= double, 8字节=double
self.fileStream.writeRawData(bts)
except Exception as e:
QMessageBox.critical(self, "写double过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 double
def on_btnDouble_Read_clicked(self):
if self.__iniRead():
try:
bts = self.fileStream.readRawData(self.__typeSize["double"])
Value, = struct.unpack('d', bts) # 'd'= double, 8字节
self.ui.edit_Double.setText("%.4f" % Value)
except Exception as e:
QMessageBox.critical(self, "读double过程出现错误", str(e))
finally:
self.__delFileStream()
## BigEndian和LittleEndian会影响字符串前面表示长度的整数的存储顺序
@pyqtSlot() ## writeBytes写 String
def on_btnStr_Write_clicked(self):
strV = self.ui.editStr_In.text() #str类型
if self.__iniWrite():
bts = bytes(strV, encoding="utf-8") #转换为bytes类型
self.fileStream.writeBytes(
bts) #writeBytes(self, bytes) -> QDataStream
self.__delFileStream()
@pyqtSlot() ## readBytes读 String
def on_btnStr_Read_clicked(self):
if self.__iniRead():
try:
Value = self.fileStream.readBytes() #readBytes(self) -> bytes
strV = Value.decode("utf-8") #从bytes类型解码为字符串，utf-8码
self.ui.editStr_Out.setText(strV)
except Exception as e:
QMessageBox.critical(self, "读String过程出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ## writeRawData 写String, 未知长度无法读出
def on_btnStr_WriteRaw_clicked(self):
strV = self.ui.editStr_RawIn.text() #str类型
if self.__iniWrite():
bts = bytes(strV, encoding="utf-8") #转换为bytes类型
self.fileStream.writeRawData(bts)
self.__delFileStream()
@pyqtSlot() ##读出编辑框全清空
def on_actClearOutput_triggered(self):
self.ui.edit_Int8.clear()
self.ui.edit_UInt8.clear()
self.ui.edit_Int16.clear()
self.ui.edit_UInt16.clear()
self.ui.edit_Int32.clear()
self.ui.edit_Int64.clear()
self.ui.edit_Int.clear()
self.ui.edit_Float.clear()
self.ui.edit_Double.clear()
self.ui.editStr_Out.clear()
@pyqtSlot() ##连续写入文件
def on_actSaveALL_triggered(self):
if not self.__iniWrite():
QMessageBox.critical(self, "错误", "为写入打开文件时出错")
return
#数据写入部分
Value = self.ui.spin_Int8.value()
bts = struct.pack('b', Value) # 'b'=signed char, int8
self.fileStream.writeRawData(bts)
Value = self.ui.spin_UInt8.value()
bts = struct.pack('B', Value) # 'B'=unsigned char, uint8
self.fileStream.writeRawData(bts)
Value = self.ui.spin_Int16.value()
bts = struct.pack('h', Value) # 'h'=short, int16
self.fileStream.writeRawData(bts)
Value = self.ui.spin_UInt16.value()
bts = struct.pack('H', Value) # 'H'=unsigned short, uint16
self.fileStream.writeRawData(bts)
Value = self.ui.spin_Int32.value()
bts = struct.pack('l', Value) # 'l'= long, 4字节,int32
self.fileStream.writeRawData(bts)
Value = self.ui.spin_Int64.value()
bts = struct.pack('q', Value) # 'q'= long long, 8字节int64
self.fileStream.writeRawData(bts)
Value = self.ui.spin_Int.value()
bts = struct.pack('i', Value) # 'i'= int, 4字节int
self.fileStream.writeRawData(bts)
Value = self.ui.chkBox_In.isChecked()
bts = struct.pack('?', Value) # '?'= bool, 1字节
self.fileStream.writeRawData(bts)
Value = self.ui.spin_Float.value()
bts = struct.pack('f', Value) # 'f'= float, 4字节
self.fileStream.writeRawData(bts)
Value = self.ui.spin_Double.value()
bts = struct.pack('d', Value) # 'd'= double, 8字节
self.fileStream.writeRawData(bts)
strV = self.ui.editStr_In.text() #str类型
bts = bytes(strV, encoding="utf-8") #转换为bytes类型
self.fileStream.writeBytes(bts)
#数据写入完成
self.__delFileStream()
QMessageBox.information(self, "消息", "数据连续写入完成.")
@pyqtSlot() ##连续读取文件
def on_actReadALL_triggered(self):
if not self.__iniRead():
QMessageBox.critical(self, "错误", "为读取打开文件时出错")
return
#数据读取部分
bts = self.fileStream.readRawData(self.__typeSize["int8"])
Value, = struct.unpack('b', bts) # 'b'=signed char,int8
self.ui.edit_Int8.setText("%d" % Value)
bts = self.fileStream.readRawData(self.__typeSize["uint8"])
Value, = struct.unpack('B', bts) # 'B'=unsigned char
self.ui.edit_UInt8.setText("%d" % Value)
bts = self.fileStream.readRawData(self.__typeSize["int16"])
Value, = struct.unpack('h', bts) # 'h'=short, 2字节
self.ui.edit_Int16.setText("%d" % Value)
bts = self.fileStream.readRawData(self.__typeSize["uint16"])
Value, = struct.unpack('H', bts) # 'H'=unsigned short, 2字节
self.ui.edit_UInt16.setText("%d" % Value)
bts = self.fileStream.readRawData(self.__typeSize["int32"])
Value, = struct.unpack('l', bts) # 'l'= long, 4字节
self.ui.edit_Int32.setText("%d" % Value)
bts = self.fileStream.readRawData(self.__typeSize["int64"])
Value, = struct.unpack('q', bts) # 'q'= long long, 8字节
self.ui.edit_Int64.setText("%d" % Value)
bts = self.fileStream.readRawData(self.__typeSize["int"])
Value, = struct.unpack('i', bts) # 'i'= int, 4字节
self.ui.edit_Int.setText("%d" % Value)
bts = self.fileStream.readRawData(self.__typeSize["bool"])
Value, = struct.unpack('?', bts) # '?'= bool, 1字节
self.ui.chkBox_Out.setChecked(Value)
bts = self.fileStream.readRawData(self.__typeSize["float"])
Value, = struct.unpack('f', bts) # 'f'= float, 4字节
self.ui.edit_Float.setText("%.4f" % Value)
bts = self.fileStream.readRawData(self.__typeSize["double"])
Value, = struct.unpack('d', bts) # 'd'= double, 8字节
self.ui.edit_Double.setText("%.4f" % Value)
Value = self.fileStream.readBytes() # bytes类型
strV = Value.decode("utf-8") #从bytes解码为字符串，utf-8码
self.ui.editStr_Out.setText(strV)
#数据写入完成
self.__delFileStream()
QMessageBox.information(self, "消息", "数据连续读取完成.")
def read(self, fileName):
# Read data.
file = QFile(fileName)
if (not file.open(QIODevice.ReadOnly)):
self.mError = self.tr("Cannot open Replica Island map file!")
return 0
_in = QDataStream(file)
_in.setByteOrder(QDataStream.LittleEndian)
_in.setFloatingPointPrecision(QDataStream.SinglePrecision)
# Parse file header.
mapSignature = _in.readUInt8()
layerCount = _in.readUInt8()
backgroundIndex = _in.readUInt8()
if (_in.status() == QDataStream.ReadPastEnd or mapSignature != 96):
self.mError = self.tr("Can't parse file header!")
return 0
# Create our map, setting width and height to 0 until we load a layer.
map = Map(Map.Orientation.Orthogonal, 0, 0, 32, 32)
map.setProperty("background_index", QString.number(backgroundIndex))
# Load our Tilesets.
typeTilesets = QVector()
tileIndexTilesets = QVector()
self.loadTilesetsFromResources(map, typeTilesets, tileIndexTilesets)
# Load each of our layers.
for i in range(layerCount):
# Parse layer header.
_type = _in.readUInt8()
tileIndex = _in.readUInt8()
scrollSpeed = _in.readFloat()
levelSignature = _in.readUInt8()
width = _in.readUInt32()
height = _in.readUInt32()
if (_in.status() == QDataStream.ReadPastEnd or levelSignature != 42):
self.mError = self.tr("Can't parse layer header!")
return 0
# Make sure our width and height are consistent.
if (map.width() == 0):
map.setWidth(width)
if (map.height() == 0):
map.setHeight(height)
if (map.width() != width or map.height() != height):
self.mError = self.tr("Inconsistent layer sizes!")
return 0
# Create a layer object.
layer = TileLayer(self.layerTypeToName(_type), 0, 0, width, height)
layer.setProperty("type", QString.number(_type))
layer.setProperty("tile_index", QString.number(tileIndex))
layer.setProperty("scroll_speed", QString.number(scrollSpeed, 'f'))
map.addLayer(layer)
# Look up the tileset for this layer.
tileset = tilesetForLayer(_type, tileIndex, typeTilesets, tileIndexTilesets)
# Read our tile data all at once.
#tileData = QByteArray(width*height, b'\x00')
bytesNeeded = width*height
tileData = _in.readRawData(bytesNeeded)
bytesRead = len(tileData)
if (bytesRead != bytesNeeded):
self.mError = self.tr("File ended in middle of layer!")
return 0
i = 0
# Add the tiles to our layer.
for y in range(0, height):
for x in range(0, width):
tile_id = tileData[i]&0xff
i += 1
if (tile_id != 255):
tile = tileset.tileAt(tile_id)
layer.setCell(x, y, Cell(tile))
# Make sure we read the entire *.bin file.
if (_in.status() != QDataStream.Ok or not _in.atEnd()):
self.mError = self.tr("Unexpected data at end of file!")
return 0
return map
class QmyMainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
self.ui.groupBox.setEnabled(False)
self.ui.actSaveALL.setEnabled(False)
self.ui.actReadALL.setEnabled(False)
self.setWindowTitle("二进制文件流化读写")
self.__testFileName="" #测试用文件的文件名
## ==============自定义功能函数============
def __iniWrite(self): ##初始化写文件操作
self.fileDevice=QFile(self.__testFileName) #创建文件对象
if not self.fileDevice.open(QIODevice.WriteOnly):
del self.fileDevice #删除对象
return False
self.fileStream=QDataStream(self.fileDevice) #流对象
self.fileStream.setVersion(QDataStream.Qt_5_12) #设置版本号，写入和读取的版本号要兼容
if self.ui.radio_BigEndian.isChecked():
self.fileStream.setByteOrder(QDataStream.BigEndian)
else:
self.fileStream.setByteOrder(QDataStream.LittleEndian)
##必须要设置精度，float和double都按照这个精度
precision=QDataStream.DoublePrecision
if self.ui.radio_Single.isChecked():
precision=QDataStream.SinglePrecision
self.fileStream.setFloatingPointPrecision(precision)
return True
def __delFileStream(self): ##结束写文件操作
self.fileDevice.close()
del self.fileStream
del self.fileDevice
def __iniRead(self): ##开始读文件操作
if not QFile.exists(self.__testFileName):
QMessageBox.critical(self,"错误","文件不存在")
return False
self.fileDevice=QFile(self.__testFileName) #创建文件对象
if not self.fileDevice.open(QIODevice.ReadOnly):
del self.fileDevice #删除对象
return False
self.fileStream=QDataStream(self.fileDevice)
self.fileStream.setVersion(QDataStream.Qt_5_12) #设置流版本号，写入和读取的版本号要兼容
if self.ui.radio_BigEndian.isChecked():
self.fileStream.setByteOrder(QDataStream.BigEndian)
else:
self.fileStream.setByteOrder(QDataStream.LittleEndian)
##必须要设置精度，float和double都按照这个精度
precision=QDataStream.DoublePrecision
if self.ui.radio_Single.isChecked():
precision=QDataStream.SinglePrecision
self.fileStream.setFloatingPointPrecision(precision)
return True
## ==========由connectSlotsByName() 自动连接的槽函数==================
@pyqtSlot() ##选择测试用文件
def on_btnFile_clicked(self):
curPath=QDir.currentPath() #当前目录
title="选择文件" #对话框标题
filt="流数据文件(*.stream)" #文件过滤器
fileName,flt=QFileDialog.getSaveFileName(self,title,curPath,filt)
if (fileName == ""):
return
self.__testFileName=fileName #测试用文件
self.ui.editFilename.setText(fileName)
self.ui.groupBox.setEnabled(True)
self.ui.actSaveALL.setEnabled(True)
self.ui.actReadALL.setEnabled(True)
@pyqtSlot() ##写 int8
def on_btnInt8_Write_clicked(self):
Value=self.ui.spin_Int8.value() #Python int
if self.__iniWrite():
try:
self.fileStream.writeInt8(Value)
except Exception as e:
QMessageBox.critical(self, "writeInt8()出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 int8
def on_btnInt8_Read_clicked(self):
if self.__iniRead():
Value=self.fileStream.readInt8()
self.ui.edit_Int8.setText("%d"%Value)
self.__delFileStream()
@pyqtSlot() ##写 uint8
def on_btnUInt8_Write_clicked(self):
Value=self.ui.spin_UInt8.value()
if self.__iniWrite():
try:
self.fileStream.writeUInt8(Value)
except Exception as e:
QMessageBox.critical(self, "writeUInt8()出现错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 uint8
def on_btnUInt8_Read_clicked(self):
if self.__iniRead():
Value=self.fileStream.readUInt8()
self.ui.edit_UInt8.setText("%d"%Value)
self.__delFileStream()
@pyqtSlot() ##写int16
def on_btnInt16_Write_clicked(self):
Value=self.ui.spin_Int16.value() #Python的int
if self.__iniWrite():
try:
self.fileStream.writeInt16(Value) #以int16类型写入文件
except Exception as e:
QMessageBox.critical(self, "writeInt16()发生错误", str(e))
finally:
self.__delFileStream()
## print("finally被执行")
@pyqtSlot() ##读 int16
def on_btnInt16_Read_clicked(self):
if self.__iniRead():
try:
Value=self.fileStream.readInt16()
self.ui.edit_Int16.setText("%d"%Value)
except Exception as e:
QMessageBox.critical(self, "readInt16()发生错误", str(e))
finally:
self.__delFileStream()
## print("finally被执行")
@pyqtSlot() ##写 uint16
def on_btnUInt16_Write_clicked(self):
Value=self.ui.spin_UInt16.value()
if self.__iniWrite():
try:
self.fileStream.writeUInt16(Value)
except Exception as e:
QMessageBox.critical(self, "writeUInt16()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 uint16
def on_btnUIn16_Read_clicked(self):
if self.__iniRead():
Value=self.fileStream.readUInt16()
self.ui.edit_UInt16.setText("%d"%Value)
self.__delFileStream()
@pyqtSlot() ##写 int32
def on_btnInt32_Write_clicked(self):
Value=self.ui.spin_Int32.value()
if self.__iniWrite():
try:
self.fileStream.writeInt32(Value)
except Exception as e:
QMessageBox.critical(self, "writeInt32()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 int32
def on_btnInt32_Read_clicked(self):
if self.__iniRead():
Value=self.fileStream.readInt32()
self.ui.edit_Int32.setText("%d"%Value)
self.__delFileStream()
@pyqtSlot() ##写 int64
def on_btnInt64_Write_clicked(self):
Value=self.ui.spin_Int64.value()
if self.__iniWrite():
try:
self.fileStream.writeInt64(Value)
except Exception as e:
QMessageBox.critical(self, "writeInt64()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 int64
def on_btnInt64_Read_clicked(self):
if self.__iniRead():
Value=self.fileStream.readInt64()
self.ui.edit_Int64.setText("%d"%Value)
self.__delFileStream()
@pyqtSlot() ##写 int
def on_btnInt_Write_clicked(self):
Value=self.ui.spin_Int.value()
if self.__iniWrite():
try:
self.fileStream.writeInt(Value)
except Exception as e:
QMessageBox.critical(self, "writeInt()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 int
def on_btnInt_Read_clicked(self):
if self.__iniRead():
Value=self.fileStream.readInt()
self.ui.edit_Int.setText("%d"%Value)
self.__delFileStream()
@pyqtSlot() ##写 bool
def on_btnBool_Write_clicked(self):
Value=self.ui.chkBox_In.isChecked() #bool型
if self.__iniWrite():
self.fileStream.writeBool(Value)
self.__delFileStream()
@pyqtSlot() ##读 bool
def on_btnBool_Read_clicked(self):
if self.__iniRead():
Value=self.fileStream.readBool() #bool型
self.ui.chkBox_Out.setChecked(Value)
self.__delFileStream()
@pyqtSlot() ##写 float
def on_btnFloat_Write_clicked(self):
Value=self.ui.spin_Float.value()
if self.__iniWrite():
try:
self.fileStream.writeFloat(Value)
except Exception as e:
QMessageBox.critical(self, "writeFloat()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 float
def on_btnFloat_Read_clicked(self):
if self.__iniRead():
try:
Value=self.fileStream.readFloat()
self.ui.edit_Float.setText("%.4f"%Value)
except Exception as e:
QMessageBox.critical(self, "writeFloat()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 double
def on_btnDouble_Write_clicked(self):
Value=self.ui.spin_Double.value()
if self.__iniWrite():
try:
self.fileStream.writeDouble(Value)
except Exception as e:
QMessageBox.critical(self, "writeDouble()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 double
def on_btnDouble_Read_clicked(self):
if self.__iniRead():
try:
Value=self.fileStream.readDouble()
self.ui.edit_Double.setText("%.4f"%Value)
except Exception as e:
QMessageBox.critical(self, "readDouble()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 QString,与Python的str兼容
def on_btnQStr_Write_clicked(self):
Value=self.ui.editQStr_In.text()
if self.__iniWrite():
try:
self.fileStream.writeQString(Value)
except Exception as e:
QMessageBox.critical(self, "writeQString()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 QString,与Python的str兼容
def on_btnQStr_Read_clicked(self):
if self.__iniRead():
try:
Value=self.fileStream.readQString()
self.ui.editQStr_Out.setText(Value)
except Exception as e:
QMessageBox.critical(self, "readQString()发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##写 String
def on_btnStr_Write_clicked(self):
strV=self.ui.editStr_In.text() #str类型
if self.__iniWrite():
try:
bts=bytes(strV,encoding="utf-8") #转换为bytes类型
self.fileStream.writeString(bts)
except Exception as e:
QMessageBox.critical(self, "写入时发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读 String
def on_btnStr_Read_clicked(self):
if self.__iniRead():
try:
Value=self.fileStream.readString() #bytes类型
strV=Value.decode("utf-8") #从bytes类型解码为字符串，编码utf-8
self.ui.editStr_Out.setText(strV)
except Exception as e:
QMessageBox.critical(self, "读取时发生错误", str(e))
finally:
self.__delFileStream()
##===字体的写入与读取
@pyqtSlot() ##选择字体
def on_btnFont_In_clicked(self):
font=self.ui.btnFont_In.font()
font,OK=QFontDialog.getFont(font,self) #选择字体
if OK:
self.ui.btnFont_In.setFont(font)
@pyqtSlot() ##写 QVariant, QFont
def on_btnFont_Write_clicked(self):
font=self.ui.btnFont_In.font() #QFont类型
if self.__iniWrite():
self.fileStream.writeQVariant(font) #QFont类型
self.__delFileStream()
@pyqtSlot() ##读 QVariant, QFont
def on_btnFont_Read_clicked(self):
if self.__iniRead():
try:
font=self.fileStream.readQVariant() #QFont类型
self.ui.editFont_Out.setFont(font)
except Exception as e:
QMessageBox.critical(self, "读取时发生错误", str(e))
finally:
self.__delFileStream()
##===颜色的写入与读取
@pyqtSlot() ##选择颜色
def on_btnColor_In_clicked(self):
plet=self.ui.btnColor_In.palette() #QPalette
color=plet.buttonText().color() #QColor
color= QColorDialog.getColor(color,self)
if color.isValid():
plet.setColor(QPalette.ButtonText,color)
self.ui.btnColor_In.setPalette(plet)
@pyqtSlot() ##写 QVariant, QColor
def on_btnColor_Write_clicked(self):
plet=self.ui.btnColor_In.palette()
color=plet.buttonText().color() #QColor
if self.__iniWrite():
self.fileStream.writeQVariant(color) #QColor
self.__delFileStream()
@pyqtSlot() ##读 QVariant, QColor
def on_btnColor_Read_clicked(self):
if self.__iniRead():
try:
color=self.fileStream.readQVariant() #读取为QColor类型
plet=self.ui.editColor_Out.palette()
plet.setColor(QPalette.Text,color)
self.ui.editColor_Out.setPalette(plet)
except Exception as e:
QMessageBox.critical(self, "读取时发生错误", str(e))
finally:
self.__delFileStream()
@pyqtSlot() ##读出编辑框全清空
def on_actClearOutput_triggered(self):
self.ui.edit_Int8.clear()
self.ui.edit_UInt8.clear()
self.ui.edit_Int16.clear()
self.ui.edit_UInt16.clear()
self.ui.edit_Int32.clear()
self.ui.edit_Int64.clear()
self.ui.edit_Int.clear()
self.ui.edit_Float.clear()
self.ui.edit_Double.clear()
font=self.font()
self.ui.editFont_Out.setFont(font)
plet=self.palette()
self.ui.editColor_Out.setPalette(plet)
@pyqtSlot() ##连续写入文件
def on_actSaveALL_triggered(self):
if not self.__iniWrite():
QMessageBox.critical(self,"错误","为写入打开文件时出错")
return
#数据写入部分
Value=self.ui.spin_Int8.value()
self.fileStream.writeInt8(Value) #int8
Value=self.ui.spin_UInt8.value()
self.fileStream.writeUInt8(Value) #uint8
Value=self.ui.spin_Int16.value()
self.fileStream.writeInt16(Value) #int16
Value=self.ui.spin_UInt16.value()
self.fileStream.writeUInt16(Value) #uint16
Value=self.ui.spin_Int32.value()
self.fileStream.writeInt32(Value) #int32
Value=self.ui.spin_Int64.value()
self.fileStream.writeInt64(Value) #int64
Value=self.ui.spin_Int.value()
self.fileStream.writeInt(Value) #int
Value=self.ui.chkBox_In.isChecked()
self.fileStream.writeBool(Value) #bool
Value=self.ui.spin_Float.value()
self.fileStream.writeFloat(Value) #float
Value=self.ui.spin_Double.value()
self.fileStream.writeDouble(Value) #double
str_Value=self.ui.editQStr_In.text()
self.fileStream.writeQString(str_Value) #QString
str_Value=self.ui.editStr_In.text() #str类型
bts=bytes(str_Value,encoding="utf-8") #转换为bytes类型
self.fileStream.writeString(bts)
font=self.ui.btnFont_In.font()
self.fileStream.writeQVariant(font) #QFont
plet=self.ui.btnColor_In.palette()
color=plet.buttonText().color()
self.fileStream.writeQVariant(color) #QColor
#数据写入完成
self.__delFileStream()
QMessageBox.information(self,"消息","数据连续写入完成.")
@pyqtSlot() ##连续读取文件
def on_actReadALL_triggered(self):
if not self.__iniRead():
QMessageBox.critical(self,"错误","为读取打开文件时出错")
return
#数据读取部分
Value=self.fileStream.readInt8() #int8
self.ui.edit_Int8.setText("%d"%Value)
Value=self.fileStream.readUInt8() #uint8
self.ui.edit_UInt8.setText("%d"%Value)
Value=self.fileStream.readInt16() #int16
self.ui.edit_Int16.setText("%d"%Value)
Value=self.fileStream.readUInt16() #uint16
self.ui.edit_UInt16.setText("%d"%Value)
Value=self.fileStream.readInt32() #int32
self.ui.edit_Int32.setText("%d"%Value)
Value=self.fileStream.readInt64() #int64
self.ui.edit_Int64.setText("%d"%Value)
Value=self.fileStream.readInt() #int
self.ui.edit_Int.setText("%d"%Value)
Value=self.fileStream.readBool() #bool
self.ui.chkBox_Out.setChecked(Value)
Value=self.fileStream.readFloat() #float
self.ui.edit_Float.setText("%.4f"%Value)
Value=self.fileStream.readDouble() #double
self.ui.edit_Double.setText("%.4f"%Value)
str_Value=self.fileStream.readQString() #str
self.ui.editQStr_Out.setText(str_Value)
byteStr=self.fileStream.readString() #bytes
str_Value=byteStr.decode("utf-8") #从bytes类型解码为字符串
self.ui.editStr_Out.setText(str_Value)
font=self.fileStream.readQVariant() #QFont
self.ui.editFont_Out.setFont(font)
color=self.fileStream.readQVariant() #QColor
plet=self.ui.editColor_Out.palette()
plet.setColor(QPalette.Text,color)
self.ui.editColor_Out.setPalette(plet)
#数据写入完成
self.__delFileStream()
QMessageBox.information(self,"消息","数据连续读取完成.")
def read(self, fileName):
# Read data.
file = QFile(fileName)
if (not file.open(QIODevice.ReadOnly)):
self.mError = self.tr("Cannot open Replica Island map file!")
return 0
_in = QDataStream(file)
_in.setByteOrder(QDataStream.LittleEndian)
_in.setFloatingPointPrecision(QDataStream.SinglePrecision)
# Parse file header.
mapSignature = _in.readUInt8()
layerCount = _in.readUInt8()
backgroundIndex = _in.readUInt8()
if (_in.status() == QDataStream.ReadPastEnd or mapSignature != 96):
self.mError = self.tr("Can't parse file header!")
return 0
# Create our map, setting width and height to 0 until we load a layer.
map = Map(Map.Orientation.Orthogonal, 0, 0, 32, 32)
map.setProperty("background_index", QString.number(backgroundIndex))
# Load our Tilesets.
typeTilesets = QVector()
tileIndexTilesets = QVector()
self.loadTilesetsFromResources(map, typeTilesets, tileIndexTilesets)
# Load each of our layers.
for i in range(layerCount):
# Parse layer header.
_type = _in.readUInt8()
tileIndex = _in.readUInt8()
scrollSpeed = _in.readFloat()
levelSignature = _in.readUInt8()
width = _in.readUInt32()
height = _in.readUInt32()
if (_in.status() == QDataStream.ReadPastEnd
or levelSignature != 42):
self.mError = self.tr("Can't parse layer header!")
return 0
# Make sure our width and height are consistent.
if (map.width() == 0):
map.setWidth(width)
if (map.height() == 0):
map.setHeight(height)
if (map.width() != width or map.height() != height):
self.mError = self.tr("Inconsistent layer sizes!")
return 0
# Create a layer object.
layer = TileLayer(self.layerTypeToName(_type), 0, 0, width, height)
layer.setProperty("type", QString.number(_type))
layer.setProperty("tile_index", QString.number(tileIndex))
layer.setProperty("scroll_speed", QString.number(scrollSpeed, 'f'))
map.addLayer(layer)
# Look up the tileset for this layer.
tileset = tilesetForLayer(_type, tileIndex, typeTilesets,
tileIndexTilesets)
# Read our tile data all at once.
#tileData = QByteArray(width*height, b'\x00')
bytesNeeded = width * height
tileData = _in.readRawData(bytesNeeded)
bytesRead = len(tileData)
if (bytesRead != bytesNeeded):
self.mError = self.tr("File ended in middle of layer!")
return 0
i = 0
# Add the tiles to our layer.
for y in range(0, height):
for x in range(0, width):
tile_id = tileData[i] & 0xff
i += 1
if (tile_id != 255):
tile = tileset.tileAt(tile_id)
layer.setCell(x, y, Cell(tile))
# Make sure we read the entire *.bin file.
if (_in.status() != QDataStream.Ok or not _in.atEnd()):
self.mError = self.tr("Unexpected data at end of file!")
return 0
return map
