smaller optimisation in ::fromTransform() and fromScale()

We know the type of the transformation in these methods, so there is no
point in setting a dirty flag for the type.

Reviewed-by: Samuel

1 files changed, 6 insertions, 4 deletions

diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp
index 7ca3b79..5b498fa 100644
--- a/src/gui/painting/qtransform.cpp
+++ b/src/gui/painting/qtransform.cpp
@@ -438,9 +438,10 @@ QTransform QTransform::fromTranslate(qreal dx, qreal dy)
 {
     QTransform transform(1, 0, 0, 0, 1, 0, dx, dy, 1, true);
     if (dx == 0 && dy == 0)
-        transform.m_dirty = TxNone;
+        transform.m_type = TxNone;
     else
-        transform.m_dirty = TxTranslate;
+        transform.m_type = TxTranslate;
+    transform.m_dirty = TxNone;
     return transform;
 }
 
@@ -491,9 +492,10 @@ QTransform QTransform::fromScale(qreal sx, qreal sy)
 {
     QTransform transform(sx, 0, 0, 0, sy, 0, 0, 0, 1, true);
     if (sx == 1. && sy == 1.)
-        transform.m_dirty = TxNone;
+        transform.m_type = TxNone;
     else
-        transform.m_dirty = TxScale;
+        transform.m_type = TxScale;
+    transform.m_dirty = TxNone;
     return transform;
 }