diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/svg/qsvgtinydocument.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/svg/qsvgtinydocument.cpp b/src/svg/qsvgtinydocument.cpp index f6dacd8..49a796c 100644 --- a/src/svg/qsvgtinydocument.cpp +++ b/src/svg/qsvgtinydocument.cpp @@ -397,8 +397,16 @@ void QSvgTinyDocument::draw(QPainter *p, QSvgExtraStates &) draw(p); } +static bool isValidMatrix(const QTransform &transform) +{ + qreal determinant = transform.determinant(); + return qIsFinite(determinant); +} + void QSvgTinyDocument::mapSourceToTarget(QPainter *p, const QRectF &targetRect, const QRectF &sourceRect) { + QTransform oldTransform = p->worldTransform(); + QRectF target = targetRect; if (target.isEmpty()) { QPaintDevice *dev = p->device(); @@ -447,6 +455,9 @@ void QSvgTinyDocument::mapSourceToTarget(QPainter *p, const QRectF &targetRect, p->translate(-source.x(), -source.y()); } } + + if (!isValidMatrix(p->worldTransform())) + p->setWorldTransform(oldTransform); } QRectF QSvgTinyDocument::boundsOnElement(const QString &id) const |