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/**
* Copyright (C) 2007 Rob Buis <buis@kde.org>
* 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 "SVGInlineTextBox.h"
#include "Frame.h"
#include "FrameView.h"
#include "GraphicsContext.h"
#include "HitTestResult.h"
#include "InlineFlowBox.h"
#include "PointerEventsHitRules.h"
#include "RenderBlock.h"
#include "RenderInline.h"
#include "RenderSVGResourceSolidColor.h"
#include "RenderView.h"
#include "SVGRenderingContext.h"
#include "SVGResourcesCache.h"
#include "SVGRootInlineBox.h"
#include "TextPainter.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGInlineTextBox);
struct ExpectedSVGInlineTextBoxSize : public InlineTextBox {
float float1;
uint32_t bitfields : 5;
void* pointer;
Vector<SVGTextFragment> vector;
};
COMPILE_ASSERT(sizeof(SVGInlineTextBox) == sizeof(ExpectedSVGInlineTextBoxSize), SVGInlineTextBox_is_not_of_expected_size);
SVGInlineTextBox::SVGInlineTextBox(RenderSVGInlineText& renderer)
: InlineTextBox(renderer)
, m_paintingResourceMode(OptionSet<RenderSVGResourceMode>().toRaw())
, m_startsNewTextChunk(false)
{
}
void SVGInlineTextBox::dirtyOwnLineBoxes()
{
InlineTextBox::dirtyLineBoxes();
// Clear the now stale text fragments
clearTextFragments();
}
void SVGInlineTextBox::dirtyLineBoxes()
{
dirtyOwnLineBoxes();
// And clear any following text fragments as the text on which they
// depend may now no longer exist, or glyph positions may be wrong
for (InlineTextBox* nextBox = nextTextBox(); nextBox; nextBox = nextBox->nextTextBox())
nextBox->dirtyOwnLineBoxes();
}
int SVGInlineTextBox::offsetForPosition(float, bool) const
{
// SVG doesn't use the standard offset <-> position selection system, as it's not suitable for SVGs complex needs.
// vertical text selection, inline boxes spanning multiple lines (contrary to HTML, etc.)
ASSERT_NOT_REACHED();
return 0;
}
int SVGInlineTextBox::offsetForPositionInFragment(const SVGTextFragment& fragment, float position, bool includePartialGlyphs) const
{
float scalingFactor = renderer().scalingFactor();
ASSERT(scalingFactor);
TextRun textRun = constructTextRun(renderer().style(), fragment);
// Eventually handle lengthAdjust="spacingAndGlyphs".
// FIXME: Handle vertical text.
AffineTransform fragmentTransform;
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
textRun.setHorizontalGlyphStretch(narrowPrecisionToFloat(fragmentTransform.xScale()));
return fragment.characterOffset - start() + renderer().scaledFont().offsetForPosition(textRun, position * scalingFactor, includePartialGlyphs);
}
float SVGInlineTextBox::positionForOffset(unsigned) const
{
// SVG doesn't use the offset <-> position selection system.
ASSERT_NOT_REACHED();
return 0;
}
FloatRect SVGInlineTextBox::selectionRectForTextFragment(const SVGTextFragment& fragment, unsigned startPosition, unsigned endPosition, const RenderStyle& style) const
{
ASSERT_WITH_SECURITY_IMPLICATION(startPosition < endPosition);
float scalingFactor = renderer().scalingFactor();
ASSERT(scalingFactor);
const FontCascade& scaledFont = renderer().scaledFont();
const FontMetrics& scaledFontMetrics = scaledFont.fontMetrics();
FloatPoint textOrigin(fragment.x, fragment.y);
if (scalingFactor != 1)
textOrigin.scale(scalingFactor);
textOrigin.move(0, -scaledFontMetrics.floatAscent());
LayoutRect selectionRect { textOrigin, LayoutSize(0, LayoutUnit(fragment.height * scalingFactor)) };
TextRun run = constructTextRun(style, fragment);
scaledFont.adjustSelectionRectForText(run, selectionRect, startPosition, endPosition);
FloatRect snappedSelectionRect = snapRectToDevicePixelsWithWritingDirection(selectionRect, renderer().document().deviceScaleFactor(), run.ltr());
if (scalingFactor == 1)
return snappedSelectionRect;
snappedSelectionRect.scale(1 / scalingFactor);
return snappedSelectionRect;
}
LayoutRect SVGInlineTextBox::localSelectionRect(unsigned startPosition, unsigned endPosition) const
{
startPosition = clampedOffset(startPosition);
endPosition = clampedOffset(endPosition);
if (startPosition >= endPosition)
return LayoutRect();
auto& style = renderer().style();
AffineTransform fragmentTransform;
FloatRect selectionRect;
unsigned fragmentStartPosition = 0;
unsigned fragmentEndPosition = 0;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
const SVGTextFragment& fragment = m_textFragments.at(i);
fragmentStartPosition = startPosition;
fragmentEndPosition = endPosition;
if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
FloatRect fragmentRect = selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style);
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
fragmentRect = fragmentTransform.mapRect(fragmentRect);
selectionRect.unite(fragmentRect);
}
return enclosingIntRect(selectionRect);
}
static inline bool textShouldBePainted(const RenderSVGInlineText& textRenderer)
{
// FontCascade::pixelSize(), returns FontDescription::computedPixelSize(), which returns "int(x + 0.5)".
// If the absolute font size on screen is below x=0.5, don't render anything.
return textRenderer.scaledFont().pixelSize();
}
void SVGInlineTextBox::paintSelectionBackground(PaintInfo& paintInfo)
{
ASSERT(paintInfo.shouldPaintWithinRoot(renderer()));
ASSERT(paintInfo.phase == PaintPhase::Foreground || paintInfo.phase == PaintPhase::Selection);
ASSERT(truncation() == cNoTruncation);
if (renderer().style().visibility() != Visibility::Visible)
return;
auto& parentRenderer = parent()->renderer();
ASSERT(!parentRenderer.document().printing());
// Determine whether or not we're selected.
bool paintSelectedTextOnly = paintInfo.phase == PaintPhase::Selection;
bool hasSelection = selectionState() != RenderObject::SelectionNone;
if (!hasSelection || paintSelectedTextOnly)
return;
Color backgroundColor = renderer().selectionBackgroundColor();
if (!backgroundColor.isVisible())
return;
if (!textShouldBePainted(renderer()))
return;
auto& style = parentRenderer.style();
auto [startPosition, endPosition] = selectionStartEnd();
unsigned fragmentStartPosition = 0;
unsigned fragmentEndPosition = 0;
AffineTransform fragmentTransform;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
SVGTextFragment& fragment = m_textFragments.at(i);
ASSERT(!m_paintingResource);
fragmentStartPosition = startPosition;
fragmentEndPosition = endPosition;
if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
GraphicsContextStateSaver stateSaver(paintInfo.context());
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
paintInfo.context().concatCTM(fragmentTransform);
paintInfo.context().setFillColor(backgroundColor);
paintInfo.context().fillRect(selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style), backgroundColor);
setPaintingResourceMode({ });
}
ASSERT(!m_paintingResource);
}
void SVGInlineTextBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit, LayoutUnit)
{
ASSERT(paintInfo.shouldPaintWithinRoot(renderer()));
ASSERT(paintInfo.phase == PaintPhase::Foreground || paintInfo.phase == PaintPhase::Selection);
ASSERT(truncation() == cNoTruncation);
if (renderer().style().visibility() != Visibility::Visible)
return;
// Note: We're explicitely not supporting composition & custom underlines and custom highlighters - unlike InlineTextBox.
// If we ever need that for SVG, it's very easy to refactor and reuse the code.
auto& parentRenderer = parent()->renderer();
bool paintSelectedTextOnly = paintInfo.phase == PaintPhase::Selection;
bool shouldPaintSelectionHighlight = !(paintInfo.paintBehavior.contains(PaintBehavior::SkipSelectionHighlight));
bool hasSelection = !parentRenderer.document().printing() && selectionState() != RenderObject::SelectionNone;
if (!hasSelection && paintSelectedTextOnly)
return;
if (!textShouldBePainted(renderer()))
return;
auto& style = parentRenderer.style();
const SVGRenderStyle& svgStyle = style.svgStyle();
bool hasFill = svgStyle.hasFill();
bool hasVisibleStroke = style.hasVisibleStroke();
const RenderStyle* selectionStyle = &style;
if (hasSelection && shouldPaintSelectionHighlight) {
selectionStyle = parentRenderer.getCachedPseudoStyle(PseudoId::Selection);
if (selectionStyle) {
const SVGRenderStyle& svgSelectionStyle = selectionStyle->svgStyle();
if (!hasFill)
hasFill = svgSelectionStyle.hasFill();
if (!hasVisibleStroke)
hasVisibleStroke = selectionStyle->hasVisibleStroke();
} else
selectionStyle = &style;
}
if (renderer().view().frameView().paintBehavior().contains(PaintBehavior::RenderingSVGMask)) {
hasFill = true;
hasVisibleStroke = false;
}
AffineTransform fragmentTransform;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
SVGTextFragment& fragment = m_textFragments.at(i);
ASSERT(!m_paintingResource);
GraphicsContextStateSaver stateSaver(paintInfo.context());
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
paintInfo.context().concatCTM(fragmentTransform);
// Spec: All text decorations except line-through should be drawn before the text is filled and stroked; thus, the text is rendered on top of these decorations.
auto decorations = style.textDecorationsInEffect();
if (decorations & TextDecoration::Underline)
paintDecoration(paintInfo.context(), TextDecoration::Underline, fragment);
if (decorations & TextDecoration::Overline)
paintDecoration(paintInfo.context(), TextDecoration::Overline, fragment);
auto paintOrder = RenderStyle::paintTypesForPaintOrder(style.paintOrder());
for (unsigned i = 0; i < paintOrder.size(); ++i) {
switch (paintOrder.at(i)) {
case PaintType::Fill:
if (!hasFill)
continue;
setPaintingResourceMode({ RenderSVGResourceMode::ApplyToFill, RenderSVGResourceMode::ApplyToText });
ASSERT(selectionStyle);
paintText(paintInfo.context(), style, *selectionStyle, fragment, hasSelection, paintSelectedTextOnly);
break;
case PaintType::Stroke:
if (!hasVisibleStroke)
continue;
setPaintingResourceMode({ RenderSVGResourceMode::ApplyToStroke, RenderSVGResourceMode::ApplyToText});
ASSERT(selectionStyle);
paintText(paintInfo.context(), style, *selectionStyle, fragment, hasSelection, paintSelectedTextOnly);
break;
case PaintType::Markers:
continue;
}
}
// Spec: Line-through should be drawn after the text is filled and stroked; thus, the line-through is rendered on top of the text.
if (decorations & TextDecoration::LineThrough)
paintDecoration(paintInfo.context(), TextDecoration::LineThrough, fragment);
setPaintingResourceMode({ });
}
// Finally, paint the outline if any.
if (renderer().style().hasOutline() && is<RenderInline>(parentRenderer))
downcast<RenderInline>(parentRenderer).paintOutline(paintInfo, paintOffset);
ASSERT(!m_paintingResource);
}
bool SVGInlineTextBox::acquirePaintingResource(GraphicsContext*& context, float scalingFactor, RenderBoxModelObject& renderer, const RenderStyle& style)
{
ASSERT(scalingFactor);
ASSERT(!paintingResourceMode().isEmpty());
Color fallbackColor;
if (paintingResourceMode().contains(RenderSVGResourceMode::ApplyToFill))
m_paintingResource = RenderSVGResource::fillPaintingResource(renderer, style, fallbackColor);
else if (paintingResourceMode().contains(RenderSVGResourceMode::ApplyToStroke))
m_paintingResource = RenderSVGResource::strokePaintingResource(renderer, style, fallbackColor);
else {
// We're either called for stroking or filling.
ASSERT_NOT_REACHED();
}
if (!m_paintingResource)
return false;
if (!m_paintingResource->applyResource(renderer, style, context, paintingResourceMode())) {
if (fallbackColor.isValid()) {
RenderSVGResourceSolidColor* fallbackResource = RenderSVGResource::sharedSolidPaintingResource();
fallbackResource->setColor(fallbackColor);
m_paintingResource = fallbackResource;
m_paintingResource->applyResource(renderer, style, context, paintingResourceMode());
}
}
if (scalingFactor != 1 && paintingResourceMode().contains(RenderSVGResourceMode::ApplyToStroke))
context->setStrokeThickness(context->strokeThickness() * scalingFactor);
return true;
}
void SVGInlineTextBox::releasePaintingResource(GraphicsContext*& context, const Path* path)
{
ASSERT(m_paintingResource);
m_paintingResource->postApplyResource(parent()->renderer(), context, paintingResourceMode(), path, /*RenderSVGShape*/ nullptr);
m_paintingResource = nullptr;
}
bool SVGInlineTextBox::prepareGraphicsContextForTextPainting(GraphicsContext*& context, float scalingFactor, const RenderStyle& style)
{
return acquirePaintingResource(context, scalingFactor, parent()->renderer(), style);
}
void SVGInlineTextBox::restoreGraphicsContextAfterTextPainting(GraphicsContext*& context)
{
releasePaintingResource(context, /* path */nullptr);
}
TextRun SVGInlineTextBox::constructTextRun(const RenderStyle& style, const SVGTextFragment& fragment) const
{
TextRun run(StringView(renderer().text()).substring(fragment.characterOffset, fragment.length)
, 0 /* xPos, only relevant with allowTabs=true */
, 0 /* padding, only relevant for justified text, not relevant for SVG */
, AllowTrailingExpansion
, direction()
, dirOverride() || style.rtlOrdering() == Order::Visual /* directionalOverride */);
// We handle letter & word spacing ourselves.
run.disableSpacing();
return run;
}
bool SVGInlineTextBox::mapStartEndPositionsIntoFragmentCoordinates(const SVGTextFragment& fragment, unsigned& startPosition, unsigned& endPosition) const
{
if (startPosition >= endPosition)
return false;
ASSERT(fragment.characterOffset >= start());
unsigned offset = fragment.characterOffset - start();
unsigned length = fragment.length;
if (startPosition >= offset + length || endPosition <= offset)
return false;
if (startPosition < offset)
startPosition = 0;
else {
ASSERT(startPosition >= offset);
startPosition -= offset;
}
if (endPosition > offset + length)
endPosition = length;
else {
ASSERT(endPosition >= offset);
endPosition -= offset;
}
ASSERT_WITH_SECURITY_IMPLICATION(startPosition < endPosition);
return true;
}
static inline float positionOffsetForDecoration(OptionSet<TextDecoration> decoration, const FontMetrics& fontMetrics, float thickness)
{
// FIXME: For SVG Fonts we need to use the attributes defined in the <font-face> if specified.
// Compatible with Batik/Opera.
if (decoration == TextDecoration::Underline)
return fontMetrics.floatAscent() + thickness * 1.5f;
if (decoration == TextDecoration::Overline)
return thickness;
if (decoration == TextDecoration::LineThrough)
return fontMetrics.floatAscent() * 5 / 8.0f;
ASSERT_NOT_REACHED();
return 0.0f;
}
static inline float thicknessForDecoration(OptionSet<TextDecoration>, const FontCascade& font)
{
// FIXME: For SVG Fonts we need to use the attributes defined in the <font-face> if specified.
// Compatible with Batik/Opera
return font.size() / 20.0f;
}
static inline RenderBoxModelObject& findRendererDefininingTextDecoration(InlineFlowBox* parentBox)
{
// Lookup first render object in parent hierarchy which has text-decoration set.
RenderBoxModelObject* renderer = nullptr;
while (parentBox) {
renderer = &parentBox->renderer();
if (!renderer->style().textDecoration().isEmpty())
break;
parentBox = parentBox->parent();
}
ASSERT(renderer);
return *renderer;
}
void SVGInlineTextBox::paintDecoration(GraphicsContext& context, OptionSet<TextDecoration> decoration, const SVGTextFragment& fragment)
{
if (renderer().style().textDecorationsInEffect().isEmpty())
return;
// Find out which render style defined the text-decoration, as its fill/stroke properties have to be used for drawing instead of ours.
auto& decorationRenderer = findRendererDefininingTextDecoration(parent());
const RenderStyle& decorationStyle = decorationRenderer.style();
if (decorationStyle.visibility() == Visibility::Hidden)
return;
const SVGRenderStyle& svgDecorationStyle = decorationStyle.svgStyle();
bool hasDecorationFill = svgDecorationStyle.hasFill();
bool hasVisibleDecorationStroke = decorationStyle.hasVisibleStroke();
if (hasDecorationFill) {
setPaintingResourceMode(RenderSVGResourceMode::ApplyToFill);
paintDecorationWithStyle(context, decoration, fragment, decorationRenderer);
}
if (hasVisibleDecorationStroke) {
setPaintingResourceMode(RenderSVGResourceMode::ApplyToStroke);
paintDecorationWithStyle(context, decoration, fragment, decorationRenderer);
}
}
void SVGInlineTextBox::paintDecorationWithStyle(GraphicsContext& context, OptionSet<TextDecoration> decoration, const SVGTextFragment& fragment, RenderBoxModelObject& decorationRenderer)
{
ASSERT(!m_paintingResource);
ASSERT(!paintingResourceMode().isEmpty());
auto& decorationStyle = decorationRenderer.style();
float scalingFactor = 1;
FontCascade scaledFont;
RenderSVGInlineText::computeNewScaledFontForStyle(decorationRenderer, decorationStyle, scalingFactor, scaledFont);
ASSERT(scalingFactor);
// The initial y value refers to overline position.
float thickness = thicknessForDecoration(decoration, scaledFont);
if (fragment.width <= 0 && thickness <= 0)
return;
FloatPoint decorationOrigin(fragment.x, fragment.y);
float width = fragment.width;
const FontMetrics& scaledFontMetrics = scaledFont.fontMetrics();
GraphicsContextStateSaver stateSaver(context);
if (scalingFactor != 1) {
width *= scalingFactor;
decorationOrigin.scale(scalingFactor);
context.scale(1 / scalingFactor);
}
decorationOrigin.move(0, -scaledFontMetrics.floatAscent() + positionOffsetForDecoration(decoration, scaledFontMetrics, thickness));
Path path;
path.addRect(FloatRect(decorationOrigin, FloatSize(width, thickness)));
GraphicsContext* contextPtr = &context;
if (acquirePaintingResource(contextPtr, scalingFactor, decorationRenderer, decorationStyle))
releasePaintingResource(contextPtr, &path);
}
void SVGInlineTextBox::paintTextWithShadows(GraphicsContext& context, const RenderStyle& style, TextRun& textRun, const SVGTextFragment& fragment, unsigned startPosition, unsigned endPosition)
{
float scalingFactor = renderer().scalingFactor();
ASSERT(scalingFactor);
const FontCascade& scaledFont = renderer().scaledFont();
const ShadowData* shadow = style.textShadow();
FloatPoint textOrigin(fragment.x, fragment.y);
FloatSize textSize(fragment.width, fragment.height);
if (scalingFactor != 1) {
textOrigin.scale(scalingFactor);
textSize.scale(scalingFactor);
}
FloatRect shadowRect(FloatPoint(textOrigin.x(), textOrigin.y() - scaledFont.fontMetrics().floatAscent()), textSize);
GraphicsContext* usedContext = &context;
do {
if (!prepareGraphicsContextForTextPainting(usedContext, scalingFactor, style))
break;
{
ShadowApplier shadowApplier(*usedContext, shadow, nullptr, shadowRect);
if (!shadowApplier.didSaveContext())
usedContext->save();
usedContext->scale(1 / scalingFactor);
scaledFont.drawText(*usedContext, textRun, textOrigin + shadowApplier.extraOffset(), startPosition, endPosition);
if (!shadowApplier.didSaveContext())
usedContext->restore();
}
restoreGraphicsContextAfterTextPainting(usedContext);
if (!shadow)
break;
shadow = shadow->next();
} while (shadow);
}
void SVGInlineTextBox::paintText(GraphicsContext& context, const RenderStyle& style, const RenderStyle& selectionStyle, const SVGTextFragment& fragment, bool hasSelection, bool paintSelectedTextOnly)
{
unsigned startPosition = 0;
unsigned endPosition = 0;
if (hasSelection) {
std::tie(startPosition, endPosition) = selectionStartEnd();
hasSelection = mapStartEndPositionsIntoFragmentCoordinates(fragment, startPosition, endPosition);
}
// Fast path if there is no selection, just draw the whole chunk part using the regular style
TextRun textRun = constructTextRun(style, fragment);
if (!hasSelection || startPosition >= endPosition) {
paintTextWithShadows(context, style, textRun, fragment, 0, fragment.length);
return;
}
// Eventually draw text using regular style until the start position of the selection
if (startPosition > 0 && !paintSelectedTextOnly)
paintTextWithShadows(context, style, textRun, fragment, 0, startPosition);
// Draw text using selection style from the start to the end position of the selection
if (style != selectionStyle)
SVGResourcesCache::clientStyleChanged(parent()->renderer(), StyleDifference::Repaint, selectionStyle);
paintTextWithShadows(context, selectionStyle, textRun, fragment, startPosition, endPosition);
if (style != selectionStyle)
SVGResourcesCache::clientStyleChanged(parent()->renderer(), StyleDifference::Repaint, style);
// Eventually draw text using regular style from the end position of the selection to the end of the current chunk part
if (endPosition < fragment.length && !paintSelectedTextOnly)
paintTextWithShadows(context, style, textRun, fragment, endPosition, fragment.length);
}
FloatRect SVGInlineTextBox::calculateBoundaries() const
{
FloatRect textRect;
float scalingFactor = renderer().scalingFactor();
ASSERT(scalingFactor);
float baseline = renderer().scaledFont().fontMetrics().floatAscent() / scalingFactor;
AffineTransform fragmentTransform;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
const SVGTextFragment& fragment = m_textFragments.at(i);
FloatRect fragmentRect(fragment.x, fragment.y - baseline, fragment.width, fragment.height);
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
fragmentRect = fragmentTransform.mapRect(fragmentRect);
textRect.unite(fragmentRect);
}
return textRect;
}
bool SVGInlineTextBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit, LayoutUnit, HitTestAction)
{
// FIXME: integrate with InlineTextBox::nodeAtPoint better.
ASSERT(!isLineBreak());
PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_TEXT_HITTESTING, request, renderer().style().pointerEvents());
bool isVisible = renderer().style().visibility() == Visibility::Visible;
if (isVisible || !hitRules.requireVisible) {
if ((hitRules.canHitStroke && (renderer().style().svgStyle().hasStroke() || !hitRules.requireStroke))
|| (hitRules.canHitFill && (renderer().style().svgStyle().hasFill() || !hitRules.requireFill))) {
FloatPoint boxOrigin(x(), y());
boxOrigin.moveBy(accumulatedOffset);
FloatRect rect(boxOrigin, size());
if (locationInContainer.intersects(rect)) {
float scalingFactor = renderer().scalingFactor();
ASSERT(scalingFactor);
float baseline = renderer().scaledFont().fontMetrics().floatAscent() / scalingFactor;
AffineTransform fragmentTransform;
for (auto& fragment : m_textFragments) {
FloatQuad fragmentQuad(FloatRect(fragment.x, fragment.y - baseline, fragment.width, fragment.height));
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
fragmentQuad = fragmentTransform.mapQuad(fragmentQuad);
if (fragmentQuad.containsPoint(locationInContainer.point())) {
renderer().updateHitTestResult(result, locationInContainer.point() - toLayoutSize(accumulatedOffset));
if (result.addNodeToListBasedTestResult(&renderer().textNode(), request, locationInContainer, rect) == HitTestProgress::Stop)
return true;
}
}
}
}
}
return false;
}
} // namespace WebCore