Merge branch 'master' of scm.dev.nokia.troll.no:qt/qt-fire-staging into master-integration

* 'master' of scm.dev.nokia.troll.no:qt/qt-fire-staging:
  Fix compiler warning in qtextdocument.cpp
  Fix crash when app font is added
  Use truncate only for subpixel boundingBox x position
  Use more numerically robust algorithm to compute QBezier::pointAt().
  Fix editable combobox style on Mac
  Revert 344a4dcfe and part of 93bce787
  Fix raster subpixel positioning in Lion

2 files changed, 20 insertions, 22 deletions

diff --git a/src/gui/painting/qbezier_p.h b/src/gui/painting/qbezier_p.h
index 399dd89..f1f7eb1 100644
--- a/src/gui/painting/qbezier_p.h
+++ b/src/gui/painting/qbezier_p.h
@@ -162,27 +162,27 @@ inline void QBezier::coefficients(qreal t, qreal &a, qreal &b, qreal &c, qreal &
 
 inline QPointF QBezier::pointAt(qreal t) const
 {
-#if 1
-    qreal a, b, c, d;
-    coefficients(t, a, b, c, d);
-    return QPointF(a*x1 + b*x2 + c*x3 + d*x4, a*y1 + b*y2 + c*y3 + d*y4);
-#else
     // numerically more stable:
+    qreal x, y;
+
     qreal m_t = 1. - t;
-    qreal a = x1*m_t + x2*t;
-    qreal b = x2*m_t + x3*t;
-    qreal c = x3*m_t + x4*t;
-    a = a*m_t + b*t;
-    b = b*m_t + c*t;
-    qreal x = a*m_t + b*t;
-    qreal a = y1*m_t + y2*t;
-    qreal b = y2*m_t + y3*t;
-    qreal c = y3*m_t + y4*t;
-    a = a*m_t + b*t;
-    b = b*m_t + c*t;
-    qreal y = a*m_t + b*t;
+    {
+        qreal a = x1*m_t + x2*t;
+        qreal b = x2*m_t + x3*t;
+        qreal c = x3*m_t + x4*t;
+        a = a*m_t + b*t;
+        b = b*m_t + c*t;
+        x = a*m_t + b*t;
+    }
+    {
+        qreal a = y1*m_t + y2*t;
+        qreal b = y2*m_t + y3*t;
+        qreal c = y3*m_t + y4*t;
+        a = a*m_t + b*t;
+        b = b*m_t + c*t;
+        y = a*m_t + b*t;
+    }
     return QPointF(x, y);
-#endif
 }
 
 inline QPointF QBezier::normalVector(qreal t) const
diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp
index fdba9c9..3973abd 100644
--- a/src/gui/painting/qtextureglyphcache.cpp
+++ b/src/gui/painting/qtextureglyphcache.cpp
@@ -198,7 +198,7 @@ bool QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const
         Coord c = { 0, 0, // will be filled in later
                     glyph_width,
                     glyph_height, // texture coords
-                    metrics.x.round().truncate(),
+                    metrics.x.truncate(),
                     -metrics.y.truncate() }; // baseline for horizontal scripts
 
         listItemCoordinates.insert(key, c);
@@ -367,9 +367,7 @@ void QImageTextureGlyphCache::createTextureData(int width, int height)
 
 int QImageTextureGlyphCache::glyphMargin() const
 {
-#if (defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA))
-    return 1;
-#elif defined(Q_WS_X11)
+#if (defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA)) || defined(Q_WS_X11)
     return 0;
 #else
     return m_type == QFontEngineGlyphCache::Raster_RGBMask ? 2 : 0;