Changeset 651 for trunk/src/gui/painting/qpainterpath_p.h

Timestamp:

Mar 8, 2010, 12:52:58 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.2 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/painting/qpainterpath_p.h (modified) (4 diffs)

trunk/src/gui/painting/qpainterpath_p.h

@@ -1 +1 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
@@ -98 +98 @@
         {
             int ptsPos = 0;
+            bool isLines = true;
             for (int i=0; i<path.size(); ++i) {
                 const QPainterPath::Element &e = path.at(i);
@@ -105 +106 @@
                 if (e.type == QPainterPath::CurveToElement)
                     flags |= QVectorPath::CurvedShapeMask;
+
+                // This is to check if the path contains only alternating lineTo/moveTo,
+                // in which case we can set the LinesHint in the path. MoveTo is 0 and
+                // LineTo is 1 so the i%2 gets us what we want cheaply.
+                isLines = isLines && e.type == (QPainterPath::ElementType) (i%2);
             }
 
@@ -112 +118 @@
                 flags |= QVectorPath::OddEvenFill;
 
-            if (!convex)
-                flags |= QVectorPath::NonConvexShapeMask;
+            if (isLines)
+                flags |= QVectorPath::LinesShapeMask;
+            else {
+                flags |= QVectorPath::AreaShapeMask;
+                if (!convex)
+                    flags |= QVectorPath::NonConvexShapeMask;
+            }
+
         }
         QVarLengthArray<QPainterPath::ElementType> elements;