From 88999e9ea037ee79557d0c012ad9fdfc72fb5ece Mon Sep 17 00:00:00 2001
From: Marc Mutz <marc.mutz@kdab.com>
Date: Thu, 26 Sep 2013 14:10:45 +0200
Subject: [PATCH] QPen: optimize population of dd->dashPattern

Change-Id: I02b3bb9b503303b931f075f899126a506f9e25d0
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
---
 src/gui/painting/qpen.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gui/painting/qpen.cpp b/src/gui/painting/qpen.cpp
index 4122322e36..d27e0c409d 100644
--- a/src/gui/painting/qpen.cpp
+++ b/src/gui/painting/qpen.cpp
@@ -447,15 +447,19 @@ QVector<qreal> QPen::dashPattern() const
 
         switch (d->style) {
         case Qt::DashLine:
+            dd->dashPattern.reserve(2);
             dd->dashPattern << dash << space;
             break;
         case Qt::DotLine:
+            dd->dashPattern.reserve(2);
             dd->dashPattern << dot << space;
             break;
         case Qt::DashDotLine:
+            dd->dashPattern.reserve(4);
             dd->dashPattern << dash << space << dot << space;
             break;
         case Qt::DashDotDotLine:
+            dd->dashPattern.reserve(6);
             dd->dashPattern << dash << space << dot << space << dot << space;
             break;
         default: