QBezier: inline fromPoints()

There's really no reason for it to be out-of-line, and we're going to
use it in QBezier::split(), which is inline, and we want the optimizer
to have a field day with the source, without a compiler firewall in
the way.

Change-Id: I49ae3a87fcce1e2dc87a9081f567503e5a98ef6b
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>

src/gui/painting/qbezier.cpp

@@ -51,24 +51,6 @@ QT_BEGIN_NAMESPACE
 
 //#define QDEBUG_BEZIER
 
-/*!
-  \internal
-*/
-QBezier QBezier::fromPoints(const QPointF &p1, const QPointF &p2,
-                            const QPointF &p3, const QPointF &p4)
-{
-    QBezier b;
-    b.x1 = p1.x();
-    b.y1 = p1.y();
-    b.x2 = p2.x();
-    b.y2 = p2.y();
-    b.x3 = p3.x();
-    b.y3 = p3.y();
-    b.x4 = p4.x();
-    b.y4 = p4.y();
-    return b;
-}
-
 /*!
   \internal
 */

src/gui/painting/qbezier_p.h

@@ -69,7 +69,8 @@ class Q_GUI_EXPORT QBezier
 {
 public:
     static QBezier fromPoints(const QPointF &p1, const QPointF &p2,
-                              const QPointF &p3, const QPointF &p4);
+                              const QPointF &p3, const QPointF &p4)
+    { return {p1.x(), p1.y(), p2.x(), p2.y(), p3.x(), p3.y(), p4.x(), p4.y()}; }
 
     static void coefficients(qreal t, qreal &a, qreal &b, qreal &c, qreal &d);