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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/3rdparty/webkit/WebCore/rendering/RenderSVGTextPath.cpp | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
Diffstat (limited to 'src/3rdparty/webkit/WebCore/rendering/RenderSVGTextPath.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebCore/rendering/RenderSVGTextPath.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/rendering/RenderSVGTextPath.cpp b/src/3rdparty/webkit/WebCore/rendering/RenderSVGTextPath.cpp new file mode 100644 index 0000000..aa0209c --- /dev/null +++ b/src/3rdparty/webkit/WebCore/rendering/RenderSVGTextPath.cpp @@ -0,0 +1,122 @@ +/* + * This file is part of the WebKit project. + * + * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@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 "RenderSVGTextPath.h" + +#include "FloatRect.h" +#include "SVGInlineTextBox.h" +#include "SVGPathElement.h" +#include "SVGRootInlineBox.h" +#include "SVGTextPathElement.h" +#include "SVGTransformList.h" + +namespace WebCore { + +RenderSVGTextPath::RenderSVGTextPath(Node* n) + : RenderSVGInline(n) + , m_startOffset(0.0f) + , m_exactAlignment(true) + , m_stretchMethod(false) +{ +} + +Path RenderSVGTextPath::layoutPath() const +{ + SVGTextPathElement* textPathElement = static_cast<SVGTextPathElement*>(element()); + String pathId = SVGURIReference::getTarget(textPathElement->href()); + Element* targetElement = textPathElement->document()->getElementById(pathId); + if (!targetElement || !targetElement->hasTagName(SVGNames::pathTag)) + return Path(); + + SVGPathElement* pathElement = static_cast<SVGPathElement*>(targetElement); + + Path pathData = pathElement->toPathData(); + // Spec: The transform attribute on the referenced 'path' element represents a + // supplemental transformation relative to the current user coordinate system for + // the current 'text' element, including any adjustments to the current user coordinate + // system due to a possible transform attribute on the current 'text' element. + // http://www.w3.org/TR/SVG/text.html#TextPathElement + pathData.transform(pathElement->animatedLocalTransform()); + return pathData; +} + +float RenderSVGTextPath::startOffset() const +{ + return static_cast<SVGTextPathElement*>(element())->startOffset().valueAsPercentage(); +} + +bool RenderSVGTextPath::exactAlignment() const +{ + return static_cast<SVGTextPathElement*>(element())->spacing() == SVG_TEXTPATH_SPACINGTYPE_EXACT; +} + +bool RenderSVGTextPath::stretchMethod() const +{ + return static_cast<SVGTextPathElement*>(element())->method() == SVG_TEXTPATH_METHODTYPE_STRETCH; +} + +void RenderSVGTextPath::absoluteRects(Vector<IntRect>& rects, int, int) +{ + InlineRunBox* firstBox = firstLineBox(); + + SVGRootInlineBox* rootBox = firstBox ? static_cast<SVGInlineTextBox*>(firstBox)->svgRootInlineBox() : 0; + RenderObject* object = rootBox ? rootBox->object() : 0; + + if (!object) + return; + + int xRef = object->xPos() + xPos(); + int yRef = object->yPos() + yPos(); + + for (InlineRunBox* curr = firstBox; curr; curr = curr->nextLineBox()) { + FloatRect rect(xRef + curr->xPos(), yRef + curr->yPos(), curr->width(), curr->height()); + // FIXME: broken with CSS transforms + rects.append(enclosingIntRect(absoluteTransform().mapRect(rect))); + } +} + +void RenderSVGTextPath::absoluteQuads(Vector<FloatQuad>& quads, bool) +{ + InlineRunBox* firstBox = firstLineBox(); + + SVGRootInlineBox* rootBox = firstBox ? static_cast<SVGInlineTextBox*>(firstBox)->svgRootInlineBox() : 0; + RenderObject* object = rootBox ? rootBox->object() : 0; + + if (!object) + return; + + int xRef = object->xPos() + xPos(); + int yRef = object->yPos() + yPos(); + + for (InlineRunBox* curr = firstBox; curr; curr = curr->nextLineBox()) { + FloatRect rect(xRef + curr->xPos(), yRef + curr->yPos(), curr->width(), curr->height()); + // FIXME: broken with CSS transforms + quads.append(absoluteTransform().mapRect(rect)); + } +} + +} + +#endif // ENABLE(SVG) |