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      1 /*
      2  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis (at) kde.org>
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  */
     20 
     21 #include "config.h"
     22 
     23 #include "core/svg/SVGTextElement.h"
     24 
     25 #include "core/rendering/svg/RenderSVGResource.h"
     26 #include "core/rendering/svg/RenderSVGText.h"
     27 
     28 namespace WebCore {
     29 
     30 inline SVGTextElement::SVGTextElement(Document& doc)
     31     : SVGTextPositioningElement(SVGNames::textTag, doc)
     32 {
     33     ScriptWrappable::init(this);
     34 }
     35 
     36 DEFINE_NODE_FACTORY(SVGTextElement)
     37 
     38 // We override SVGGraphics::animatedLocalTransform() so that the transform-origin
     39 // is not taken into account.
     40 AffineTransform SVGTextElement::animatedLocalTransform() const
     41 {
     42     AffineTransform matrix;
     43     RenderStyle* style = renderer() ? renderer()->style() : 0;
     44 
     45     // if CSS property was set, use that, otherwise fallback to attribute (if set)
     46     if (style && style->hasTransform()) {
     47         TransformationMatrix t;
     48         // For now, the transform-origin is not taken into account
     49         // Also, any percentage values will not be taken into account
     50         style->applyTransform(t, IntSize(0, 0), RenderStyle::ExcludeTransformOrigin);
     51         // Flatten any 3D transform
     52         matrix = t.toAffineTransform();
     53     } else {
     54         transform()->currentValue()->concatenate(matrix);
     55     }
     56 
     57     const AffineTransform* transform = const_cast<SVGTextElement*>(this)->supplementalTransform();
     58     if (transform)
     59         return *transform * matrix;
     60     return matrix;
     61 }
     62 
     63 RenderObject* SVGTextElement::createRenderer(RenderStyle*)
     64 {
     65     return new RenderSVGText(this);
     66 }
     67 
     68 }
     69