diff options
Diffstat (limited to 'src/gui/painting/qtransform.cpp')
| -rw-r--r-- | src/gui/painting/qtransform.cpp | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp index 4f42a58..80b7520 100644 --- a/src/gui/painting/qtransform.cpp +++ b/src/gui/painting/qtransform.cpp @@ -47,6 +47,7 @@ #include "qpainterpath.h" #include "qvariant.h" #include <qmath.h> +#include <qnumeric.h> #include <private/qbezier_p.h> @@ -410,6 +411,12 @@ QTransform &QTransform::translate(qreal dx, qreal dy) { if (dx == 0 && dy == 0) return *this; +#ifndef QT_NO_DEBUG + if (qIsNaN(dx) | qIsNaN(dy)) { + qWarning() << "QTransform::translate with NaN called"; + return *this; + } +#endif switch(inline_type()) { case TxNone: @@ -447,6 +454,12 @@ QTransform &QTransform::translate(qreal dx, qreal dy) */ QTransform QTransform::fromTranslate(qreal dx, qreal dy) { +#ifndef QT_NO_DEBUG + if (qIsNaN(dx) | qIsNaN(dy)) { + qWarning() << "QTransform::fromTranslate with NaN called"; + return QTransform(); +} +#endif QTransform transform(1, 0, 0, 0, 1, 0, dx, dy, 1, true); if (dx == 0 && dy == 0) transform.m_type = TxNone; @@ -466,6 +479,12 @@ QTransform & QTransform::scale(qreal sx, qreal sy) { if (sx == 1 && sy == 1) return *this; +#ifndef QT_NO_DEBUG + if (qIsNaN(sx) | qIsNaN(sy)) { + qWarning() << "QTransform::scale with NaN called"; + return *this; + } +#endif switch(inline_type()) { case TxNone: @@ -501,6 +520,12 @@ QTransform & QTransform::scale(qreal sx, qreal sy) */ QTransform QTransform::fromScale(qreal sx, qreal sy) { +#ifndef QT_NO_DEBUG + if (qIsNaN(sx) | qIsNaN(sy)) { + qWarning() << "QTransform::fromScale with NaN called"; + return QTransform(); +} +#endif QTransform transform(sx, 0, 0, 0, sy, 0, 0, 0, 1, true); if (sx == 1. && sy == 1.) transform.m_type = TxNone; @@ -520,6 +545,12 @@ QTransform & QTransform::shear(qreal sh, qreal sv) { if (sh == 0 && sv == 0) return *this; +#ifndef QT_NO_DEBUG + if (qIsNaN(sh) | qIsNaN(sv)) { + qWarning() << "QTransform::shear with NaN called"; + return *this; + } +#endif switch(inline_type()) { case TxNone: @@ -575,6 +606,12 @@ QTransform & QTransform::rotate(qreal a, Qt::Axis axis) { if (a == 0) return *this; +#ifndef QT_NO_DEBUG + if (qIsNaN(a)) { + qWarning() << "QTransform::rotate with NaN called"; + return *this; + } +#endif qreal sina = 0; qreal cosa = 0; @@ -660,6 +697,12 @@ QTransform & QTransform::rotate(qreal a, Qt::Axis axis) */ QTransform & QTransform::rotateRadians(qreal a, Qt::Axis axis) { +#ifndef QT_NO_DEBUG + if (qIsNaN(a)) { + qWarning() << "QTransform::rotateRadians with NaN called"; + return *this; + } +#endif qreal sina = qSin(a); qreal cosa = qCos(a); @@ -1037,8 +1080,18 @@ QDataStream & operator>>(QDataStream &s, QTransform &t) #ifndef QT_NO_DEBUG_STREAM QDebug operator<<(QDebug dbg, const QTransform &m) { - dbg.nospace() << "QTransform(" - << "11=" << m.m11() + static const char *typeStr[] = + { + "TxNone", + "TxTranslate", + "TxScale", + "TxRotate", + "TxShear", + "TxProject" + }; + + dbg.nospace() << "QTransform(type=" << typeStr[m.type()] << ',' + << " 11=" << m.m11() << " 12=" << m.m12() << " 13=" << m.m13() << " 21=" << m.m21() @@ -1048,6 +1101,7 @@ QDebug operator<<(QDebug dbg, const QTransform &m) << " 32=" << m.m32() << " 33=" << m.m33() << ')'; + return dbg.space(); } #endif |