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/*
* Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
* Copyright (C) 2006 Apple Computer Inc.
* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* 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"
#include "SVGInlineFlowBox.h"
#if ENABLE(SVG)
#include "DocumentMarkerController.h"
#include "GraphicsContext.h"
#include "RenderSVGInlineText.h"
#include "RenderedDocumentMarker.h"
#include "SVGInlineTextBox.h"
#include "SVGRenderingContext.h"
using namespace std;
namespace WebCore {
void SVGInlineFlowBox::paintSelectionBackground(PaintInfo& paintInfo)
{
ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
ASSERT(!paintInfo.context->paintingDisabled());
PaintInfo childPaintInfo(paintInfo);
for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
if (child->isSVGInlineTextBox())
toSVGInlineTextBox(child)->paintSelectionBackground(childPaintInfo);
else if (child->isSVGInlineFlowBox())
toSVGInlineFlowBox(child)->paintSelectionBackground(childPaintInfo);
}
}
void SVGInlineFlowBox::paint(PaintInfo& paintInfo, const LayoutPoint&, LayoutUnit, LayoutUnit)
{
ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
ASSERT(!paintInfo.context->paintingDisabled());
RenderObject* boxRenderer = renderer();
ASSERT(boxRenderer);
SVGRenderingContext renderingContext(boxRenderer, paintInfo, SVGRenderingContext::SaveGraphicsContext);
if (renderingContext.isRenderingPrepared()) {
for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
if (child->isSVGInlineTextBox())
computeTextMatchMarkerRectForRenderer(toRenderSVGInlineText(toSVGInlineTextBox(child)->textRenderer()));
child->paint(paintInfo, LayoutPoint(), 0, 0);
}
}
}
FloatRect SVGInlineFlowBox::calculateBoundaries() const
{
FloatRect childRect;
for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
if (!child->isSVGInlineTextBox() && !child->isSVGInlineFlowBox())
continue;
childRect.unite(child->calculateBoundaries());
}
return childRect;
}
void SVGInlineFlowBox::computeTextMatchMarkerRectForRenderer(RenderSVGInlineText* textRenderer)
{
ASSERT(textRenderer);
Node* node = textRenderer->node();
if (!node || !node->inDocument())
return;
RenderStyle* style = textRenderer->style();
ASSERT(style);
AffineTransform fragmentTransform;
Document* document = textRenderer->document();
Vector<DocumentMarker*> markers = document->markers()->markersFor(textRenderer->node());
Vector<DocumentMarker*>::iterator markerEnd = markers.end();
for (Vector<DocumentMarker*>::iterator markerIt = markers.begin(); markerIt != markerEnd; ++markerIt) {
DocumentMarker* marker = *markerIt;
// SVG is only interessted in the TextMatch marker, for now.
if (marker->type() != DocumentMarker::TextMatch)
continue;
FloatRect markerRect;
for (InlineTextBox* box = textRenderer->firstTextBox(); box; box = box->nextTextBox()) {
if (!box->isSVGInlineTextBox())
continue;
SVGInlineTextBox* textBox = toSVGInlineTextBox(box);
int markerStartPosition = max<int>(marker->startOffset() - textBox->start(), 0);
int markerEndPosition = min<int>(marker->endOffset() - textBox->start(), textBox->len());
if (markerStartPosition >= markerEndPosition)
continue;
int fragmentStartPosition = 0;
int fragmentEndPosition = 0;
const Vector<SVGTextFragment>& fragments = textBox->textFragments();
unsigned textFragmentsSize = fragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
const SVGTextFragment& fragment = fragments.at(i);
fragmentStartPosition = markerStartPosition;
fragmentEndPosition = markerEndPosition;
if (!textBox->mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
FloatRect fragmentRect = textBox->selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style);
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
fragmentRect = fragmentTransform.mapRect(fragmentRect);
markerRect.unite(fragmentRect);
}
}
toRenderedDocumentMarker(marker)->setRenderedRect(textRenderer->localToAbsoluteQuad(markerRect).enclosingBoundingBox());
}
}
} // namespace WebCore
#endif // ENABLE(SVG)
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