diff options
| author | Eirik Aavitsland <eirik.aavitsland@qt.io> | 2020-10-28 16:31:44 +0100 |
|---|---|---|
| committer | Eirik Aavitsland <eirik.aavitsland@qt.io> | 2020-11-11 12:48:21 +0100 |
| commit | 7aa68ee6f2e08ce0b4f5c698a8c012895f738dd2 (patch) | |
| tree | 2bcb5bdac9770777fd4888cd2841548de78888e8 /src/gui/painting | |
| parent | bd3a1dd9c287e0a1c35d013c57d83a55de52a470 (diff) | |
Fix misidentification of some shearing QTransforms as only rotating
The dot product used rows instead of columns.
Pick-to: 5.15 5.12
Fixes: QTBUG-87984
Change-Id: I922f67ed0fa9a4f88aa4e9fc6d3c09f8dda21688
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/gui/painting')
| -rw-r--r-- | src/gui/painting/qtransform.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp index bfb0e6f4ec..34dd425fef 100644 --- a/src/gui/painting/qtransform.cpp +++ b/src/gui/painting/qtransform.cpp @@ -2046,7 +2046,7 @@ QTransform::TransformationType QTransform::type() const case TxShear: case TxRotate: if (!qFuzzyIsNull(m_matrix[0][1]) || !qFuzzyIsNull(m_matrix[1][0])) { - const qreal dot = m_matrix[0][0] * m_matrix[0][1] + m_matrix[1][0] * m_matrix[1][1]; + const qreal dot = m_matrix[0][0] * m_matrix[1][0] + m_matrix[0][1] * m_matrix[1][1]; if (qFuzzyIsNull(dot)) m_type = TxRotate; else |