int main()
{
QList<int> list;
list << 3 << 3 << 6 << 6 << 6 << 8;
QList<int>::iterator it;
it = qLowerBound(list.begin(), list.end(), 5);
list.insert(it, 5);
qDebug() << list; // output: ( 3, 3, 5, 6, 6, 6, 8 )
it = qLowerBound(list.begin(), list.end(), 12);
list.insert(it, 12);
qDebug() << list; // output: ( 3, 3, 5, 6, 6, 6, 8, 12 )
it = qLowerBound(list.begin(), list.end(), 12);
list.insert(it, 12);
qDebug() << list; // output: ( 3, 3, 5, 6, 6, 6, 8, 12, 12 )
QVector<int> vect;
vect << 3 << 3 << 6 << 6 << 6 << 8;
QVector<int>::iterator begin6 =
qLowerBound(vect.begin(), vect.end(), 6);
QVector<int>::iterator end6 =
qUpperBound(vect.begin(), vect.end(), 6);
QVector<int> vect2(end6-begin6);
qCopy(begin6, end6, vect2.begin());
qDebug() << vect2; // output: ( 6, 6, 6 )
int count6 = 0;
qCount(vect.begin(), vect.end(), 6, count6);
qDebug() << count6; // output: 3
return 0;
}
quint32 QGLView::getSelection()
{
QList<quint32> ids;
QList<quint32> sortedIds;
int selectionSize = 5; // only odd selection sizes make sense
int sizeOffset;
QPoint correctedSelectionPoint;
sizeOffset = qFloor((float)selectionSize/2.0); // calculate the offset
// correct the position of the selection to center the mouse click
correctedSelectionPoint.setX(qMin(qMax(m_selectionPoint.x() - sizeOffset, 0), window()->width() - selectionSize));
correctedSelectionPoint.setY(qMin(qMax(m_selectionPoint.y() - sizeOffset, 0), window()->height() - selectionSize));
// read the data
for (int i = 0; i < (selectionSize * selectionSize); ++i)
{
GLcolorRGB colorRGB;
quint32 id;
glReadPixels(correctedSelectionPoint.x() + (i % selectionSize), correctedSelectionPoint.y() + (i / selectionSize), 1, 1, GL_RGB, GL_UNSIGNED_BYTE, &colorRGB);
id = ((quint32)colorRGB.r << 16) + ((quint32)colorRGB.g << 8) + (quint32)colorRGB.b;
if ((id != 0) && (!ids.contains(id))) // collect all ids in selection
{
ids.append(id);
}
}
int maxCount = 0;
// find the id that is most common in the selection
foreach(quint32 id, ids)
{
int count = 0;
qCount(ids.begin(), ids.end(), id, count);
if (count > maxCount) {
sortedIds.prepend(id);
maxCount = count;
}
else {
sortedIds.append(id);
}
}
nsProbingState UnicodeGroupProber::HandleData(const char* aBuf, unsigned int aLen)
{
nsSMState codingState;
int j;
uint i, weight_BOM, counts[5];
static bool disableUTF16LE = false;
static bool disableUTF16BE = false;
double weight_zero;
if (mActiveSM <= 0) {
mState = eNotMe;
return mState;
}
if (! (disableUTF16LE || disableUTF16BE)) {
if (aLen%2 != 0) {
disableUTF16LE = true;
disableUTF16BE = true;
}
weight_BOM = (uint)(sqrt((double)aLen) + aLen/10.0);
for (uint i = 0; i < 5; i++)
qCount(aBuf, aBuf+aLen, char(i), counts[i]);
weight_zero = (2.0*(counts[0] + counts[1] + counts[2] + counts[3] + counts[4]) + weight_BOM)/aLen;
if (weight_zero < log(1.4142)) {
disableUTF16LE = true;
disableUTF16BE = true;
}
if (4 >= aBuf[1] && aBuf[1] >= 0 && isprint(aBuf[0]))
disableUTF16BE = true;
else
disableUTF16LE = true;
if (disableUTF16BE)
mActiveSM--;
if (disableUTF16LE) {
nsCodingStateMachine* t;
t = mCodingSM[1];
mCodingSM[1] = mCodingSM[2];
mCodingSM[2] = t;
mActiveSM--;
}
}
for (i = 0; i < aLen; ++i) {
for (j = mActiveSM-1; j>= 0; --j)
{
//byte is feed to all active state machine
codingState = mCodingSM[j]->NextState(aBuf[i]);
if (codingState == eError)
{
//got negative answer for this state machine, make it inactive
mActiveSM--;
if (mActiveSM == 0)
{
mState = eNotMe;
return mState;
}
else if (j != (int)mActiveSM)
{
nsCodingStateMachine* t;
t = mCodingSM[mActiveSM];
mCodingSM[mActiveSM] = mCodingSM[j];
mCodingSM[j] = t;
}
}
else if (codingState == eItsMe)
{
mState = eFoundIt;
mDetectedCharset = mCodingSM[j]->GetCodingStateMachine();
return mState;
} else if (mState == eDetecting)
mDetectedCharset = mCodingSM[j]->GetCodingStateMachine();;
}
}
return mState;
}
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QTextCodec::setCodecForLocale(QTextCodec::codecForName("GB2312"));
QTextCodec::setCodecForCStrings(QTextCodec::codecForName("GB2312"));
QTextCodec::setCodecForTr(QTextCodec::codecForName("GB2312"));
QStringList list;
list<<"one"<<"two"<<"three";
qDebug()<<QObject::tr("qCopu() methord:");
QVector<QString>vect(3);
qCopy(list.begin(),list.end(),vect.begin());
qDebug()<<vect;
/****************************************************************************************************/
qDebug()<<endl<<QObject::tr("qEqual() methord:");
bool bl=qEqual(list.begin(),list.end(),vect.begin());
qDebug()<<bl;
// QList<QString>::iterator i;
// i=qFind(list.begin,list.end(),"two");
/****************************************************************************************************/
qDebug()<<endl<<QObject::tr("qFind() methord:");
QStringList::const_iterator i= qFind(list.begin(), list.end(), "two");
qDebug()<<*i;
/****************************************************************************************************/
qDebug()<<endl<<QObject::tr("qFill() methord:");
qFill(list.begin(),list.end(),"eleven");
qDebug()<<list;
/****************************************************************************************************/
QList<int>list2;
list2<<2<<31<<13<<2<<2<<2<<134<<2<<123<<4<<5<<3<<5<<51;
qDebug()<<endl<<QObject::tr("qCount() methord:");
int number=0;
qCount(list2.begin(),list2.end(),2,number);
qDebug()<<"The number of 2 is:"<<number;
qSort(list2);
QList<int>::iterator j=qLowerBound(list2.begin(),list2.end(),22);
list2.insert(j,22);
/****************************************************************************************************/
qDebug()<<list2;
qStableSort(list2);
qDebug()<<endl<<list2;
/****************************************************************************************************/
qSort(list2.begin(),list2.end(),qGreater<int>());
qDebug()<<endl<<list2;
/****************************************************************************************************/
qStableSort(list2.begin(),list2.end(),qGreater<int>());
qDebug()<<endl<<list2;
/****************************************************************************************************/
double d1=311.3998;
double d2=0.231314;
qDebug()<<endl<<"before swap:"<<d1<<" "<<d2;
qSwap(d1,d2);
qDebug()<<"then swap:"<<d1<<" "<<d2;
/****************************************************************************************************/
int int_a=qBound(2,49,12);
qDebug()<<"int_a="<<int_a;
QDateTime time = QDateTime::currentDateTime();
//QString s=time.toString("yyyy-MM-dd hh:mm:ss");
qDebug()<<time.toString();
return a.exec();
}
