WebCore/svg/SVGTextElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGTextElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,138 @@
+/*
+    Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
+
+    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 "SVGTextElement.h"
+
+#include "AffineTransform.h"
+#include "Attribute.h"
+#include "FloatRect.h"
+#include "RenderSVGResource.h"
+#include "RenderSVGText.h"
+#include "SVGLengthList.h"
+#include "SVGRenderStyle.h"
+#include "SVGTSpanElement.h"
+#include "SVGTransformList.h"
+
+namespace WebCore {
+
+SVGTextElement::SVGTextElement(const QualifiedName& tagName, Document* doc)
+    : SVGTextPositioningElement(tagName, doc)
+    , SVGTransformable()
+    , m_transform(SVGTransformList::create(SVGNames::transformAttr))
+{
+}
+
+SVGTextElement::~SVGTextElement()
+{
+}
+
+void SVGTextElement::parseMappedAttribute(Attribute* attr)
+{
+    if (SVGTransformable::isKnownAttribute(attr->name())) {
+        SVGTransformList* localTransforms = transformBaseValue();
+        if (!SVGTransformable::parseTransformAttribute(localTransforms, attr->value())) {
+            ExceptionCode ec = 0;
+            localTransforms->clear(ec);
+        }
+    } else
+        SVGTextPositioningElement::parseMappedAttribute(attr);
+}
+
+SVGElement* SVGTextElement::nearestViewportElement() const
+{
+    return SVGTransformable::nearestViewportElement(this);
+}
+
+SVGElement* SVGTextElement::farthestViewportElement() const
+{
+    return SVGTransformable::farthestViewportElement(this);
+}
+
+FloatRect SVGTextElement::getBBox() const
+{
+    return SVGTransformable::getBBox(this);
+}
+
+AffineTransform SVGTextElement::getCTM() const
+{
+    return SVGLocatable::computeCTM(this, SVGLocatable::NearestViewportScope);
+}
+
+AffineTransform SVGTextElement::getScreenCTM() const
+{
+    return SVGLocatable::computeCTM(this, SVGLocatable::ScreenScope);
+}
+
+AffineTransform SVGTextElement::animatedLocalTransform() const
+{
+    return m_supplementalTransform ? transform()->concatenate().matrix() * *m_supplementalTransform : transform()->concatenate().matrix();
+}
+
+AffineTransform* SVGTextElement::supplementalTransform()
+{
+    if (!m_supplementalTransform)
+        m_supplementalTransform.set(new AffineTransform());
+    return m_supplementalTransform.get();
+}
+
+RenderObject* SVGTextElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    return new (arena) RenderSVGText(this);
+}
+
+bool SVGTextElement::childShouldCreateRenderer(Node* child) const
+{
+    if (child->isTextNode()
+#if ENABLE(SVG_FONTS)
+        || child->hasTagName(SVGNames::altGlyphTag)
+#endif
+        || child->hasTagName(SVGNames::tspanTag) || child->hasTagName(SVGNames::trefTag) || child->hasTagName(SVGNames::aTag) || child->hasTagName(SVGNames::textPathTag))
+        return true;
+    return false;
+}
+
+void SVGTextElement::svgAttributeChanged(const QualifiedName& attrName)
+{
+    SVGTextPositioningElement::svgAttributeChanged(attrName);
+
+    RenderObject* renderer = this->renderer();
+    if (!renderer)
+        return;
+
+    if (SVGTransformable::isKnownAttribute(attrName)) {
+        renderer->setNeedsTransformUpdate();
+        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
+    }
+}
+
+void SVGTextElement::synchronizeProperty(const QualifiedName& attrName)
+{
+    SVGTextPositioningElement::synchronizeProperty(attrName);
+
+    if (attrName == anyQName() || SVGTransformable::isKnownAttribute(attrName))
+        synchronizeTransform();
+}
+
+}
+
+#endif // ENABLE(SVG)