author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Mon, 30 Mar 2009 12:54:55 +0300 | |
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permissions | -rw-r--r-- |
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/* |
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* This file is part of the WebKit project. |
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* |
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* Copyright (C) 2006 Apple Computer, Inc. |
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* 2006 Alexander Kellett <lypanov@kde.org> |
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* 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz> |
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* 2007 Nikolas Zimmermann <zimmermann@kde.org> |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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#include "config.h" |
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#if ENABLE(SVG) |
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#include "RenderSVGText.h" |
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#include "FloatConversion.h" |
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#include "GraphicsContext.h" |
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#include "KCanvasRenderingStyle.h" |
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#include "PointerEventsHitRules.h" |
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#include "SVGLength.h" |
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#include "SVGLengthList.h" |
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#include "SVGRootInlineBox.h" |
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#include "SVGTextElement.h" |
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#include <wtf/OwnPtr.h> |
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namespace WebCore { |
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RenderSVGText::RenderSVGText(SVGTextElement* node) |
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: RenderSVGBlock(node) |
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{ |
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} |
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IntRect RenderSVGText::absoluteClippedOverflowRect() |
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{ |
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return enclosingIntRect(absoluteTransform().mapRect(relativeBBox(true))); |
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} |
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bool RenderSVGText::requiresLayer() |
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{ |
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return false; |
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} |
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void RenderSVGText::layout() |
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{ |
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ASSERT(needsLayout()); |
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IntRect oldBounds; |
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IntRect oldOutlineBox; |
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bool checkForRepaint = checkForRepaintDuringLayout(); |
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if (checkForRepaint) { |
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oldBounds = m_absoluteBounds; |
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oldOutlineBox = absoluteOutlineBox(); |
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} |
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// FIXME: need to allow floating point positions |
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SVGTextElement* text = static_cast<SVGTextElement*>(element()); |
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int xOffset = (int)(text->x()->getFirst().value()); |
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int yOffset = (int)(text->y()->getFirst().value()); |
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setPos(xOffset, yOffset); |
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RenderBlock::layout(); |
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m_absoluteBounds = absoluteClippedOverflowRect(); |
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bool repainted = false; |
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if (checkForRepaint) |
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repainted = repaintAfterLayoutIfNeeded(oldBounds, oldOutlineBox); |
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setNeedsLayout(false); |
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} |
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InlineBox* RenderSVGText::createInlineBox(bool makePlaceHolderBox, bool isRootLineBox, bool isOnlyRun) |
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{ |
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ASSERT(!isInlineFlow()); |
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InlineFlowBox* flowBox = new (renderArena()) SVGRootInlineBox(this); |
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if (!m_firstLineBox) |
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m_firstLineBox = m_lastLineBox = flowBox; |
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else { |
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m_lastLineBox->setNextLineBox(flowBox); |
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flowBox->setPreviousLineBox(m_lastLineBox); |
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m_lastLineBox = flowBox; |
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} |
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return flowBox; |
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} |
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bool RenderSVGText::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int _x, int _y, int _tx, int _ty, HitTestAction hitTestAction) |
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{ |
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PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_TEXT_HITTESTING, style()->svgStyle()->pointerEvents()); |
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bool isVisible = (style()->visibility() == VISIBLE); |
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if (isVisible || !hitRules.requireVisible) { |
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if ((hitRules.canHitStroke && (style()->svgStyle()->hasStroke() || !hitRules.requireStroke)) |
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|| (hitRules.canHitFill && (style()->svgStyle()->hasFill() || !hitRules.requireFill))) { |
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AffineTransform totalTransform = absoluteTransform(); |
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double localX, localY; |
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totalTransform.inverse().map(_x, _y, &localX, &localY); |
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FloatPoint hitPoint(_x, _y); |
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return RenderBlock::nodeAtPoint(request, result, (int)localX, (int)localY, _tx, _ty, hitTestAction); |
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} |
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} |
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return false; |
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} |
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|
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void RenderSVGText::absoluteRects(Vector<IntRect>& rects, int, int, bool) |
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{ |
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rects.append(absoluteClippedOverflowRect()); |
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} |
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|
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void RenderSVGText::paint(PaintInfo& paintInfo, int, int) |
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{ |
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RenderObject::PaintInfo pi(paintInfo); |
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pi.rect = absoluteTransform().inverse().mapRect(pi.rect); |
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RenderBlock::paint(pi, 0, 0); |
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} |
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|
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FloatRect RenderSVGText::relativeBBox(bool includeStroke) const |
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{ |
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FloatRect repaintRect; |
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|
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for (InlineRunBox* runBox = firstLineBox(); runBox; runBox = runBox->nextLineBox()) { |
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ASSERT(runBox->isInlineFlowBox()); |
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|
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InlineFlowBox* flowBox = static_cast<InlineFlowBox*>(runBox); |
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for (InlineBox* box = flowBox->firstChild(); box; box = box->nextOnLine()) |
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repaintRect.unite(FloatRect(box->xPos(), box->yPos(), box->width(), box->height())); |
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} |
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|
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// SVG needs to include the strokeWidth(), not the textStrokeWidth(). |
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if (includeStroke && style()->svgStyle()->hasStroke()) |
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repaintRect.inflate(narrowPrecisionToFloat(KSVGPainterFactory::cssPrimitiveToLength(this, style()->svgStyle()->strokeWidth(), 0.0))); |
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|
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repaintRect.move(xPos(), yPos()); |
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return repaintRect; |
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} |
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|
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} |
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|
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#endif // ENABLE(SVG) |
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|
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// vim:ts=4:noet |