diff -r 56cd8111b7f7 -r 41300fa6a67c src/svg/qsvgstyle.cpp
--- a/src/svg/qsvgstyle.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/svg/qsvgstyle.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -363,7 +363,10 @@
     if (m_strokeMiterLimitSet)
         pen.setMiterLimit(m_stroke.miterLimit());
 
-    if (setDashOffsetNeeded) {
+    // You can have dash offset on solid strokes in SVG files, but not in Qt.
+    // QPen::setDashOffset() will set the pen style to Qt::CustomDashLine,
+    // so don't call the method if the pen is solid.
+    if (setDashOffsetNeeded && pen.style() != Qt::SolidLine) {
         qreal currentWidth = pen.widthF();
         if (currentWidth == 0)
             currentWidth = 1;
@@ -768,7 +771,7 @@
         qreal transXDiff = (to1-from1) * percentOfAnimation;
         qreal transX = from1 + transXDiff;
         m_transform = QTransform();
-        m_transform.shear(tan(transX * deg2rad), 0);
+        m_transform.shear(qTan(transX * deg2rad), 0);
         break;
     }
     case SkewY: {
@@ -783,7 +786,7 @@
         qreal transYDiff = (to1 - from1) * percentOfAnimation;
         qreal transY = from1 + transYDiff;
         m_transform = QTransform();
-        m_transform.shear(0, tan(transY * deg2rad));
+        m_transform.shear(0, qTan(transY * deg2rad));
         break;
     }
     default: