| /* |
| * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> |
| * Copyright (C) 2009 Google, Inc. |
| * |
| * 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 "RenderSVGTransformableContainer.h" |
| |
| #include "SVGNames.h" |
| #include "SVGShadowTreeElements.h" |
| #include "SVGStyledTransformableElement.h" |
| |
| namespace WebCore { |
| |
| RenderSVGTransformableContainer::RenderSVGTransformableContainer(SVGStyledTransformableElement* node) |
| : RenderSVGContainer(node) |
| , m_needsTransformUpdate(true) |
| { |
| } |
| |
| bool RenderSVGTransformableContainer::calculateLocalTransform() |
| { |
| SVGStyledTransformableElement* element = static_cast<SVGStyledTransformableElement*>(node()); |
| |
| bool needsUpdate = m_needsTransformUpdate; |
| if (needsUpdate) { |
| m_localTransform = element->animatedLocalTransform(); |
| m_needsTransformUpdate = false; |
| } |
| |
| if (!element->hasTagName(SVGNames::gTag) || !static_cast<SVGGElement*>(element)->isShadowTreeContainerElement()) |
| return needsUpdate; |
| |
| FloatSize translation = static_cast<SVGShadowTreeContainerElement*>(element)->containerTranslation(); |
| if (!translation.width() && !translation.height()) |
| return needsUpdate; |
| |
| // FIXME: Could optimize this case for use to avoid refetching the animatedLocalTransform() here, if only the containerTranslation() changed. |
| if (!needsUpdate) |
| m_localTransform = element->animatedLocalTransform(); |
| |
| m_localTransform.translate(translation.width(), translation.height()); |
| return true; |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |