Hi,
Who are the lead developers of the Scribus Qt4 interface?
Thanks and best regards,
Will
________________________________
From: William Bell <whbell at btinternet.com>
To: "scribus at lists.scribus.info" <scribus at lists.scribus.info>
Sent: Tuesday, 20 August 2013, 17:36
Subject: [scribus] compiling Scribus 1.4.3 on an ARM CPU (Debian Wheezy)
Hi,
I am trying to build Scribus 1.4.3 on an ARM CPU that runs Debian Wheezy
(Raspbian).? Following the installation of all of the dependencies, the
compilation goes well until
[ 66%] Building CXX object scribus/CMakeFiles/scribus.dir/scpainter.cpp.o
/home/pi/Scribus/scribus/scpainter.cpp: In member function ?void
ScPainter::drawVPath(int)?:
/home/pi/Scribus/scribus/scpainter.cpp:1119:31:
error: no matching function for call to
?QPen::setDashPattern(QVector<double>&)?
/home/pi/Scribus/scribus/scpainter.cpp:1119:31: note: candidate is:
/usr/include/qt4/QtGui/qpen.h:87:10: note: void QPen::setDashPattern(const
QVector<float>&)
/usr/include/qt4/QtGui/qpen.h:87:10:
note:?? no known conversion for argument 1 from ?QVector<double>?
to ?const QVector<float>&?
make[2]: *** [scribus/CMakeFiles/scribus.dir/scpainter.cpp.o] Error 1
make[1]: *** [scribus/CMakeFiles/scribus.dir/all] Error 2
make: *** [all]
Error 2
It is very clear why this fails.? In Qt4 there is
/usr/include/qt4/Qt/qglobal.h
typedef QT_COORD_TYPE qreal;
#elif defined(QT_NO_FPU) || defined(QT_ARCH_ARM) || defined(QT_ARCH_WINDOWSCE)
|| defined(QT_ARCH_SYMBIAN)
typedef float qreal;
#else
typedef double qreal;
#endif
The Qt functions use qreal, rather than double of float.? In the Scribus source
code there are lots of
QList<double> and QVector<double>
While I could use sed to switch these to qreal, there are other pieces of code
such as
Scribus/scribus/util.cpp
void getDashArray(int dashtype, double linewidth, QVector<float> &m_array) {
?? QVector<double> tmp;
?? getDashArray(dashtype, linewidth, tmp);
?? m_array.clear();
?? for (int i = 0; i < tmp.count(); ++i) {
?? m_array << static_cast<float>(tmp[i]);
? }
}
void getDashArray(int dashtype, double linewidth, QVector<double> &m_array)
{
??????? m_array.clear();
??????? if ((dashtype == 1) || (dashtype == 0))
??????????????? return;
??????? double Dt = qMax(1.0*linewidth, 0.1);
??????? double Sp = qMax(2.0*linewidth,
0.1);
??????? double Da = qMax(4.0*linewidth, 0.1);
??????? switch (dashtype)
??????? {
Why is QVector<double> used instead of QVector<qreal> etc?? If I use sed, I
will have to remove overloaded functions that include <float>.? Is this safe?
Thanks and best regards,
Will
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