1/* 2 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz> 3 * Copyright (C) 2006 Apple Computer Inc. 4 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> 5 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23#include "config.h" 24#include "SVGInlineFlowBox.h" 25 26#if ENABLE(SVG) 27#include "DocumentMarkerController.h" 28#include "GraphicsContext.h" 29#include "RenderSVGInlineText.h" 30#include "RenderedDocumentMarker.h" 31#include "SVGInlineTextBox.h" 32#include "SVGRenderingContext.h" 33 34using namespace std; 35 36namespace WebCore { 37 38void SVGInlineFlowBox::paintSelectionBackground(PaintInfo& paintInfo) 39{ 40 ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection); 41 ASSERT(!paintInfo.context->paintingDisabled()); 42 43 PaintInfo childPaintInfo(paintInfo); 44 for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) { 45 if (child->isSVGInlineTextBox()) 46 static_cast<SVGInlineTextBox*>(child)->paintSelectionBackground(childPaintInfo); 47 else if (child->isSVGInlineFlowBox()) 48 static_cast<SVGInlineFlowBox*>(child)->paintSelectionBackground(childPaintInfo); 49 } 50} 51 52void SVGInlineFlowBox::paint(PaintInfo& paintInfo, const LayoutPoint&, LayoutUnit, LayoutUnit) 53{ 54 ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection); 55 ASSERT(!paintInfo.context->paintingDisabled()); 56 57 RenderObject* boxRenderer = renderer(); 58 ASSERT(boxRenderer); 59 60 SVGRenderingContext renderingContext(boxRenderer, paintInfo, SVGRenderingContext::SaveGraphicsContext); 61 if (renderingContext.isRenderingPrepared()) { 62 for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) { 63 if (child->isSVGInlineTextBox()) 64 computeTextMatchMarkerRectForRenderer(toRenderSVGInlineText(static_cast<SVGInlineTextBox*>(child)->textRenderer())); 65 66 child->paint(paintInfo, LayoutPoint(), 0, 0); 67 } 68 } 69} 70 71FloatRect SVGInlineFlowBox::calculateBoundaries() const 72{ 73 FloatRect childRect; 74 for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) { 75 if (!child->isSVGInlineTextBox() && !child->isSVGInlineFlowBox()) 76 continue; 77 childRect.unite(child->calculateBoundaries()); 78 } 79 return childRect; 80} 81 82void SVGInlineFlowBox::computeTextMatchMarkerRectForRenderer(RenderSVGInlineText* textRenderer) 83{ 84 ASSERT(textRenderer); 85 86 Node* node = textRenderer->node(); 87 if (!node || !node->inDocument()) 88 return; 89 90 RenderStyle* style = textRenderer->style(); 91 ASSERT(style); 92 93 AffineTransform fragmentTransform; 94 Document* document = textRenderer->document(); 95 Vector<DocumentMarker*> markers = document->markers()->markersFor(textRenderer->node()); 96 97 Vector<DocumentMarker*>::iterator markerEnd = markers.end(); 98 for (Vector<DocumentMarker*>::iterator markerIt = markers.begin(); markerIt != markerEnd; ++markerIt) { 99 DocumentMarker* marker = *markerIt; 100 101 // SVG is only interessted in the TextMatch marker, for now. 102 if (marker->type() != DocumentMarker::TextMatch) 103 continue; 104 105 FloatRect markerRect; 106 for (InlineTextBox* box = textRenderer->firstTextBox(); box; box = box->nextTextBox()) { 107 if (!box->isSVGInlineTextBox()) 108 continue; 109 110 SVGInlineTextBox* textBox = static_cast<SVGInlineTextBox*>(box); 111 112 int markerStartPosition = max<int>(marker->startOffset() - textBox->start(), 0); 113 int markerEndPosition = min<int>(marker->endOffset() - textBox->start(), textBox->len()); 114 115 if (markerStartPosition >= markerEndPosition) 116 continue; 117 118 int fragmentStartPosition = 0; 119 int fragmentEndPosition = 0; 120 121 const Vector<SVGTextFragment>& fragments = textBox->textFragments(); 122 unsigned textFragmentsSize = fragments.size(); 123 for (unsigned i = 0; i < textFragmentsSize; ++i) { 124 const SVGTextFragment& fragment = fragments.at(i); 125 126 fragmentStartPosition = markerStartPosition; 127 fragmentEndPosition = markerEndPosition; 128 if (!textBox->mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition)) 129 continue; 130 131 FloatRect fragmentRect = textBox->selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style); 132 fragment.buildFragmentTransform(fragmentTransform); 133 if (!fragmentTransform.isIdentity()) 134 fragmentRect = fragmentTransform.mapRect(fragmentRect); 135 136 markerRect.unite(fragmentRect); 137 } 138 } 139 140 toRenderedDocumentMarker(marker)->setRenderedRect(textRenderer->localToAbsoluteQuad(markerRect).enclosingBoundingBox()); 141 } 142} 143 144} // namespace WebCore 145 146#endif // ENABLE(SVG) 147