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Diffstat (limited to 'src/gui/graphicsview/qgraphicsscene.cpp')
-rw-r--r--src/gui/graphicsview/qgraphicsscene.cpp19
1 files changed, 1 insertions, 18 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 981fbbc..19b2cb8 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -4367,25 +4367,8 @@ static void _q_paintIntoCache(QPixmap *pix, QGraphicsItem *item, const QRegion &
static inline bool transformIsSimple(const QTransform& transform)
{
QTransform::TransformationType type = transform.type();
- if (type == QTransform::TxNone || type == QTransform::TxTranslate) {
+ if (type <= QTransform::TxScale) {
return true;
- } else if (type == QTransform::TxScale) {
- // Check for 0 and 180 degree rotations.
- // (0 might happen after 4 rotations of 90 degrees).
- qreal m11 = transform.m11();
- qreal m12 = transform.m12();
- qreal m21 = transform.m21();
- qreal m22 = transform.m22();
- if (m12 == 0.0f && m21 == 0.0f) {
- if (m11 == 1.0f && m22 == 1.0f)
- return true; // 0 degrees
- else if (m11 == -1.0f && m22 == -1.0f)
- return true; // 180 degrees.
- if(m11 == 1.0f && m22 == -1.0f)
- return true; // 0 degrees inverted y.
- else if(m11 == -1.0f && m22 == 1.0f)
- return true; // 180 degrees inverted y.
- }
} else if (type == QTransform::TxRotate) {
// Check for 90, and 270 degree rotations.
qreal m11 = transform.m11();