3 files changed, 29 insertions, 23 deletions

diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index a4ab278..024a69d 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -6432,6 +6432,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blendTransformedTiled(int count, const QSpan *sp
                     int px = int(tx) - (tx < 0);
                     int py = int(ty) - (ty < 0);
 
+                    px %= image_width;
+                    py %= image_height;
                     if (px < 0)
                         px += image_width;
                     if (py < 0)
diff --git a/src/gui/painting/qgrayraster.c b/src/gui/painting/qgrayraster.c
index 536f265..c72885f 100644
--- a/src/gui/painting/qgrayraster.c
+++ b/src/gui/painting/qgrayraster.c
@@ -952,49 +952,53 @@
                               const QT_FT_Vector*  control2,
                               const QT_FT_Vector*  to )
   {
+    TPos        dx, dy, da, db;
     int         top, level;
     int*        levels;
     QT_FT_Vector*  arc;
-    int         mid_x = ( DOWNSCALE( ras.x ) + to->x +
-                          3 * (control1->x + control2->x ) ) / 8;
-    int         mid_y = ( DOWNSCALE( ras.y ) + to->y +
-                          3 * (control1->y + control2->y ) ) / 8;
-    TPos        dx = DOWNSCALE( ras.x ) + to->x - ( mid_x << 1 );
-    TPos        dy = DOWNSCALE( ras.y ) + to->y - ( mid_y << 1 );
 
 
+    dx = DOWNSCALE( ras.x ) + to->x - ( control1->x << 1 );
     if ( dx < 0 )
       dx = -dx;
+    dy = DOWNSCALE( ras.y ) + to->y - ( control1->y << 1 );
     if ( dy < 0 )
       dy = -dy;
     if ( dx < dy )
       dx = dy;
+    da = dx;
+
+    dx = DOWNSCALE( ras.x ) + to->x - 3 * ( control1->x + control2->x );
+    if ( dx < 0 )
+      dx = -dx;
+    dy = DOWNSCALE( ras.y ) + to->y - 3 * ( control1->y + control2->y );
+    if ( dy < 0 )
+      dy = -dy;
+    if ( dx < dy )
+      dx = dy;
+    db = dx;
 
     level = 1;
-    dx /= ras.cubic_level;
-    while ( dx > 0 )
+    da    = da / ras.cubic_level;
+    db    = db / ras.conic_level;
+    while ( da > 0 || db > 0 )
     {
-      dx >>= 2;
+      da >>= 2;
+      db >>= 3;
       level++;
     }
 
     if ( level <= 1 )
     {
-      TPos   to_x, to_y;
+      TPos   to_x, to_y, mid_x, mid_y;
 
 
       to_x  = UPSCALE( to->x );
       to_y  = UPSCALE( to->y );
-
-      /* Recalculation of midpoint is needed only if */
-      /* UPSCALE and DOWNSCALE have any effect.      */
-
-#if ( PIXEL_BITS != 6 )
       mid_x = ( ras.x + to_x +
                 3 * UPSCALE( control1->x + control2->x ) ) / 8;
       mid_y = ( ras.y + to_y +
                 3 * UPSCALE( control1->y + control2->y ) ) / 8;
-#endif
 
       gray_render_line( RAS_VAR_ mid_x, mid_y );
       gray_render_line( RAS_VAR_ to_x, to_y );
diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp
index a17b7c1..5060ad6 100644
--- a/src/gui/painting/qpathclipper.cpp
+++ b/src/gui/painting/qpathclipper.cpp
@@ -868,9 +868,9 @@ QWingedEdge::QWingedEdge() :
 }
 
 QWingedEdge::QWingedEdge(const QPainterPath &subject, const QPainterPath &clip) :
-    m_edges(subject.length()),
-    m_vertices(subject.length()),
-    m_segments(subject.length())
+    m_edges(subject.elementCount()),
+    m_vertices(subject.elementCount()),
+    m_segments(subject.elementCount())
 {
     m_segments.setPath(subject);
     m_segments.addPath(clip);
@@ -1405,9 +1405,9 @@ bool QPathClipper::intersect()
     else if (clipIsRect)
         return subjectPath.intersects(r2);
 
-    QPathSegments a(subjectPath.length());
+    QPathSegments a(subjectPath.elementCount());
     a.setPath(subjectPath);
-    QPathSegments b(clipPath.length());
+    QPathSegments b(clipPath.elementCount());
     b.setPath(clipPath);
 
     QIntersectionFinder finder;
@@ -1450,9 +1450,9 @@ bool QPathClipper::contains()
     if (clipIsRect)
         return subjectPath.contains(r2);
 
-    QPathSegments a(subjectPath.length());
+    QPathSegments a(subjectPath.elementCount());
     a.setPath(subjectPath);
-    QPathSegments b(clipPath.length());
+    QPathSegments b(clipPath.elementCount());
     b.setPath(clipPath);
 
     QIntersectionFinder finder;