Python QDataStream.writeRawData方法代码示例

# 需要导入模块: from PyQt4.QtCore import QDataStream [as 别名]
# 或者: from PyQt4.QtCore.QDataStream import writeRawData [as 别名]
    def sendMessage(self, msg, args, id = None):
        """Sends a message.

        msg -- The message type.
        args -- List of message arguments.
        id -- An optional socket descriptor. If specified, then the message will only be sent if this connection's socket descriptor matches id."""
        if id:
            if self.socketDescriptor() != id:
                return
        msg = Message.fromInt(msg)
        if not msg.validateArgs(args):
            log.warning("Message %d and args %s have invalid types. Message not sent.", msg, args)
            return
        if self.client:
            log.debug("Sending %s %s", msg, args)
        elif self.player and self.player.name:
            log.debug("Sending %s %s to %s", msg, args, self.player)
        else:
            log.debug("Sending %s %s to %s", msg, args, self.peerAddress().toString())
        data = QByteArray()
        stream = QDataStream(data, self.WriteOnly)
        stream.writeInt32(int(msg))
        for arg in args:
            if type(arg) == str:
                stream.writeInt32(len(arg))
                stream.writeRawData(arg)
            elif type(arg) == int:
                stream.writeInt32(arg)
            elif type(arg) == long:
                stream.writeInt64(arg)
        self.write(data)
        self.messageSent.emit(msg, args)

# 需要导入模块: from PyQt4.QtCore import QDataStream [as 别名]
# 或者: from PyQt4.QtCore.QDataStream import writeRawData [as 别名]
    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))

# 需要导入模块: from PyQt4.QtCore import QDataStream [as 别名]
# 或者: from PyQt4.QtCore.QDataStream import writeRawData [as 别名]

#.........这里部分代码省略.........
        for color in images:
            colors+=color

        self.imgwidth = width
        self.imgheight = height
        self.bytesPerLine = int((self.gsLevel*self.imgwidth+31)/32)*4
        self.writeNewHeader(colors)

        pd = QProgressDialog('Writing file ...', 'Cancel', 0, self.imgheight-1, self)
        pd.setWindowTitle('Creating file...')
        pd.open()


        tmp = 0
        # Записывать данные будем построчно
        for row in range(self.imgheight):
            # обходим по порядку цветов, как расположены в файле
            for color in colors:
                # Добиваем строку до длины, кратной 32м байтам
                for column in range (int(self.bytesPerLine/self.gsLevel*8)):
                    shift = 7-column+int(column/8)*8
                    pixel = 0
                    # Упорядочиваем уровни (на всякий)
                    levels = sorted(list(images[color].keys()))
                    # Если изображение меньше длины строки, то
                    if column < self.imgwidth:
                        for level in levels:
                            # Выбираем максимальный уровень из тех, что указаны в данном пикселе на всех слоях
                            if images[color][level].pixel(column, row) == self.black:
                                pixel = level
                    tmp |= (pixel<<shift*self.gsLevel)
                    # Как только сдвиг обнулится, то записываем в файл
                    if not shift:
                        self.out.writeRawData(tmp.to_bytes(self.gsLevel, 'big'))
                        tmp=0
            pd.setValue(row)
            if pd.wasCanceled():
                pd.close()
                file.close()
                return
        pd.close()
        file.close()

        self.status.showMessage("File created successful", 7000)


    def writeNewHeader(self, colors):
        xdpi = int(self.xdpiCmbBox.currentText())
        ydpi = int(self.ydpiCmbBox.currentText())

        self.paperWidth = 0

        colorOrder = colors.encode()
        while len(colorOrder) < 16:
            colorOrder += bytes.fromhex('00')

        self.out.writeInt32(self.NEW_RIP_FILE)
        self.out.writeInt32(xdpi)
        self.out.writeInt32(ydpi)
        self.out.writeInt32(self.bytesPerLine)
        self.out.writeInt32(self.imgheight)
        self.out.writeInt32(self.imgwidth)
        self.out.writeInt32(self.paperWidth)
        self.out.writeInt32(len(colors))
        self.out.writeInt32(self.gsLevel)