本文整理汇总了C++中QDataStream::byteOrder方法的典型用法代码示例。如果您正苦于以下问题：C++ QDataStream::byteOrder方法的具体用法？C++ QDataStream::byteOrder怎么用？C++ QDataStream::byteOrder使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QDataStream的用法示例。
在下文中一共展示了QDataStream::byteOrder方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
qint16 readQInt16asLittleEndian(QDataStream &stream)
{
QDataStream::ByteOrder bo = stream.byteOrder();
stream.setByteOrder(QDataStream::LittleEndian);
quint16 res;
stream >> res;
stream.setByteOrder(bo);
return res;
}示例2: readBinaryArray
QVariant readBinaryArray(QDataStream& in, int& position) {
quint32 arrayLength;
quint32 encoding;
quint32 compressedLength;
in >> arrayLength;
in >> encoding;
in >> compressedLength;
position += sizeof(quint32) * 3;
QVector<T> values;
if ((int)QSysInfo::ByteOrder == (int)in.byteOrder()) {
values.resize(arrayLength);
QByteArray arrayData;
if (encoding == FBX_PROPERTY_COMPRESSED_FLAG) {
// preface encoded data with uncompressed length
QByteArray compressed(sizeof(quint32) + compressedLength, 0);
*((quint32*)compressed.data()) = qToBigEndian<quint32>(arrayLength * sizeof(T));
in.readRawData(compressed.data() + sizeof(quint32), compressedLength);
position += compressedLength;
arrayData = qUncompress(compressed);
if (arrayData.isEmpty() ||
(unsigned int)arrayData.size() != (sizeof(T) * arrayLength)) { // answers empty byte array if corrupt
throw QString("corrupt fbx file");
}
} else {
arrayData.resize(sizeof(T) * arrayLength);
position += sizeof(T) * arrayLength;
in.readRawData(arrayData.data(), arrayData.size());
}
if (arrayData.size() > 0) {
memcpy(&values[0], arrayData.constData(), arrayData.size());
}
} else {
values.reserve(arrayLength);
if (encoding == FBX_PROPERTY_COMPRESSED_FLAG) {
// preface encoded data with uncompressed length
QByteArray compressed(sizeof(quint32) + compressedLength, 0);
*((quint32*)compressed.data()) = qToBigEndian<quint32>(arrayLength * sizeof(T));
in.readRawData(compressed.data() + sizeof(quint32), compressedLength);
position += compressedLength;
QByteArray uncompressed = qUncompress(compressed);
if (uncompressed.isEmpty()) { // answers empty byte array if corrupt
throw QString("corrupt fbx file");
}
QDataStream uncompressedIn(uncompressed);
uncompressedIn.setByteOrder(QDataStream::LittleEndian);
uncompressedIn.setVersion(QDataStream::Qt_4_5); // for single/double precision switch
for (quint32 i = 0; i < arrayLength; i++) {
T value;
uncompressedIn >> value;
values.append(value);
}
} else {
for (quint32 i = 0; i < arrayLength; i++) {