auto import from //depot/cupcake/@135843

1 files changed, 159 insertions, 0 deletions

diff --git a/WebCore/svg/SVGLocatable.cpp b/WebCore/svg/SVGLocatable.cpp
new file mode 100644
index 0000000..956a4f9
--- /dev/null
+++ b/WebCore/svg/SVGLocatable.cpp
@@ -0,0 +1,159 @@
+/*
+    Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>
+                  2004, 2005, 2006 Rob Buis <buis@kde.org>
+
+    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
+    along 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"
+#if ENABLE(SVG)
+
+#include "SVGLocatable.h"
+
+#include "AffineTransform.h"
+#include "RenderPath.h"
+#include "SVGException.h"
+#include "SVGSVGElement.h"
+
+namespace WebCore {
+
+SVGLocatable::SVGLocatable()
+{
+}
+
+SVGLocatable::~SVGLocatable()
+{
+}
+
+SVGElement* SVGLocatable::nearestViewportElement(const SVGElement* e)
+{
+    Node* n = e->parentNode();
+    while (n && !n->isDocumentNode()) {
+        if (n->hasTagName(SVGNames::svgTag) || n->hasTagName(SVGNames::symbolTag) ||
+            n->hasTagName(SVGNames::imageTag))
+            return static_cast<SVGElement*>(n);
+#if ENABLE(SVG_FOREIGN_OBJECT)
+        if (n->hasTagName(SVGNames::foreignObjectTag))
+            return static_cast<SVGElement*>(n);
+#endif
+
+        n = n->parentNode();
+    }
+
+    return 0;
+}
+
+SVGElement* SVGLocatable::farthestViewportElement(const SVGElement* e)
+{
+    // FIXME : likely this will be always the <svg> farthest away.
+    // If we have a different implementation of documentElement(), one
+    // that give the documentElement() of the svg fragment, it could be
+    // used instead. This depends on cdf demands though(Rob.)
+    SVGElement* farthest = 0;
+    Node* n = e->parentNode();
+    while (n && !n->isDocumentNode()) {
+        if (n->hasTagName(SVGNames::svgTag) || n->hasTagName(SVGNames::symbolTag) ||
+            n->hasTagName(SVGNames::imageTag))
+            farthest = static_cast<SVGElement*>(n);
+#if ENABLE(SVG_FOREIGN_OBJECT)
+        if (n->hasTagName(SVGNames::foreignObjectTag))
+            farthest = static_cast<SVGElement*>(n);
+#endif
+
+        n = n->parentNode();
+    }
+
+    return farthest;
+}
+
+// Spec:
+// http://www.w3.org/TR/2005/WD-SVGMobile12-20050413/svgudom.html#svg::SVGLocatable
+FloatRect SVGLocatable::getBBox(const SVGElement* e)
+{
+    FloatRect bboxRect;
+
+    e->document()->updateLayoutIgnorePendingStylesheets();
+
+    if (e && e->renderer()) {
+        // Need this to make sure we have render object dimensions.
+        // See bug 11686.
+        bboxRect = e->renderer()->relativeBBox(false);
+    }
+
+    return bboxRect;
+}
+
+AffineTransform SVGLocatable::getCTM(const SVGElement* element)
+{
+    if (!element)
+        return AffineTransform();
+
+    AffineTransform ctm;
+
+    Node* parent = element->parentNode();
+    if (parent && parent->isSVGElement()) {
+        SVGElement* parentElement = static_cast<SVGElement*>(parent);
+        if (parentElement && parentElement->isStyledLocatable()) {
+            AffineTransform parentCTM = static_cast<SVGStyledLocatableElement*>(parentElement)->getCTM();
+            ctm = parentCTM * ctm;
+        }
+    }
+
+    return ctm;
+}
+
+AffineTransform SVGLocatable::getScreenCTM(const SVGElement* element)
+{
+    if (!element)
+        return AffineTransform();
+
+    AffineTransform ctm;
+
+    Node* parent = element->parentNode();
+    if (parent && parent->isSVGElement()) {
+        SVGElement* parentElement = static_cast<SVGElement*>(parent);
+        if (parentElement && parentElement->isStyledLocatable()) {
+            AffineTransform parentCTM = static_cast<SVGStyledLocatableElement*>(parentElement)->getScreenCTM();
+            ctm = parentCTM * ctm;
+        }
+    }
+
+    return ctm;
+}
+
+AffineTransform SVGLocatable::getTransformToElement(SVGElement* target, ExceptionCode& ec) const
+{
+    AffineTransform ctm = getCTM();
+
+    if (target && target->isStyledLocatable()) {
+        AffineTransform targetCTM = static_cast<SVGStyledLocatableElement*>(target)->getCTM();
+        if (!targetCTM.isInvertible()) {
+            ec = SVGException::SVG_MATRIX_NOT_INVERTABLE;
+            return ctm;
+        }
+        ctm *= targetCTM.inverse();
+    }
+
+    return ctm;
+}
+
+}
+
+#endif // ENABLE(SVG)
+
+// vim:ts=4:noet