webengine/osswebengine/WebCore/platform/graphics/svg/qt/RenderPathQt.cpp
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/graphics/svg/qt/RenderPathQt.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,88 @@
+/*
+    Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <wildfox@kde.org>
+                  2004, 2005, 2006 Rob Buis <buis@kde.org>
+                  2005 Eric Seidel <eric.seidel@kdemail.net>
+
+    This file is part of the KDE project
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    aint with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include "config.h"
+#include "RenderPath.h"
+#include "KCanvasRenderingStyle.h"
+
+#include <QDebug>
+#include <QPainterPathStroker>
+
+namespace WebCore {
+    
+bool RenderPath::strokeContains(const FloatPoint& point, bool requiresStroke) const
+{
+    if (path().isEmpty())
+        return false;
+
+    if (requiresStroke && !KSVGPainterFactory::strokePaintServer(style(), this))
+        return false;
+
+    return false;
+}
+
+static QPainterPath getPathStroke(const QPainterPath &path, const RenderObject* object, const RenderStyle* style)
+{ 
+    QPainterPathStroker s;
+    s.setWidth(KSVGPainterFactory::cssPrimitiveToLength(object, style->svgStyle()->strokeWidth(), 1.0));
+
+    if (style->svgStyle()->capStyle() == ButtCap)
+        s.setCapStyle(Qt::FlatCap);
+    else if (style->svgStyle()->capStyle() == RoundCap)
+        s.setCapStyle(Qt::RoundCap);
+
+    if (style->svgStyle()->joinStyle() == MiterJoin) {
+        s.setJoinStyle(Qt::MiterJoin);
+        s.setMiterLimit((qreal) style->svgStyle()->strokeMiterLimit());
+    } else if(style->svgStyle()->joinStyle() == RoundJoin)
+        s.setJoinStyle(Qt::RoundJoin);
+
+    const KCDashArray& dashes = KSVGPainterFactory::dashArrayFromRenderingStyle(style);
+    double dashOffset = KSVGPainterFactory::cssPrimitiveToLength(object, style->svgStyle()->strokeDashOffset(), 0.0);
+
+    unsigned int dashLength = !dashes.isEmpty() ? dashes.size() : 0;
+    if(dashLength) {
+        QVector<qreal> pattern;
+        unsigned int count = (dashLength % 2) == 0 ? dashLength : dashLength * 2;
+
+        for(unsigned int i = 0; i < count; i++)
+            pattern.append(dashes[i % dashLength] / (float)s.width());
+
+        s.setDashPattern(pattern);
+    
+        Q_UNUSED(dashOffset);
+        // TODO: dash-offset, does/will qt4 API allow it? (Rob)
+    }
+
+    return s.createStroke(path);
+}
+
+FloatRect RenderPath::strokeBBox() const
+{
+    QPainterPath outline = getPathStroke(*(path().platformPath()), this, style());
+    return outline.boundingRect();
+}
+
+}
+
+// vim:ts=4:noet