static inline void writeSVGInlineTextBoxes(TextStream& ts, const RenderText& text, int indent)
{
    for (InlineTextBox* box = text.firstTextBox(); box; box = box->nextTextBox()) {
        if (!box->isSVGInlineTextBox())
            continue;

        writeSVGInlineTextBox(ts, toSVGInlineTextBox(box), indent);
    }
}
void SVGInlineTextBox::paintTextMatchMarker(GraphicsContext* context, const FloatPoint&, DocumentMarker* marker, RenderStyle* style, const Font& font)
{
    // SVG is only interested in the TextMatch markers.
    if (marker->type() != DocumentMarker::TextMatch)
        return;

    RenderSVGInlineText* textRenderer = toRenderSVGInlineText(this->textRenderer());
    ASSERT(textRenderer);

    FloatRect markerRect;
    AffineTransform fragmentTransform;
    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;

        const Vector<SVGTextFragment>& fragments = textBox->textFragments();
        unsigned textFragmentsSize = fragments.size();
        for (unsigned i = 0; i < textFragmentsSize; ++i) {
            const SVGTextFragment& fragment = fragments.at(i);

            int fragmentStartPosition = markerStartPosition;
            int fragmentEndPosition = markerEndPosition;
            if (!textBox->mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
                continue;

            FloatRect fragmentRect = textBox->selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style);
            fragment.buildFragmentTransform(fragmentTransform);
            bool fragmentTransformIsIdentity = fragmentTransform.isIdentity();

            // Draw the marker highlight.
            if (renderer()->frame()->editor().markedTextMatchesAreHighlighted()) {
                Color color = marker->activeMatch() ?
                    RenderTheme::theme().platformActiveTextSearchHighlightColor() :
                    RenderTheme::theme().platformInactiveTextSearchHighlightColor();
                GraphicsContextStateSaver stateSaver(*context);
                if (!fragmentTransformIsIdentity)
                    context->concatCTM(fragmentTransform);
                context->setFillColor(color);
                context->fillRect(fragmentRect, color);
            }

            if (!fragmentTransformIsIdentity)
                fragmentRect = fragmentTransform.mapRect(fragmentRect);
            markerRect.unite(fragmentRect);
        }
    }

    toRenderedDocumentMarker(marker)->setRenderedRect(textRenderer->localToAbsoluteQuad(markerRect).enclosingBoundingBox());
}
void SVGInlineFlowBox::computeTextMatchMarkerRectForRenderer(RenderSVGInlineText* textRenderer)
{
    ASSERT(textRenderer);

    Node* node = textRenderer->node();
    if (!node || !node->inDocument())
        return;

    RenderStyle* style = textRenderer->style();
    ASSERT(style);

    Document* document = textRenderer->document();
    Vector<DocumentMarker> markers = document->markers()->markersForNode(textRenderer->node());

    Vector<DocumentMarker>::iterator markerEnd = markers.end();
    for (Vector<DocumentMarker>::iterator markerIt = markers.begin(); markerIt != markerEnd; ++markerIt) {
        const 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()) {
            ASSERT(box->isSVGInlineTextBox());
            SVGInlineTextBox* textBox = static_cast<SVGInlineTextBox*>(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);
                if (!fragment.transform.isIdentity())
                    fragmentRect = fragment.transform.mapRect(fragmentRect);

                markerRect.unite(fragmentRect);
            }
        }

        document->markers()->setRenderedRectForMarker(node, marker, textRenderer->localToAbsoluteQuad(markerRect).enclosingBoundingBox());
    }
}
PositionWithAffinity LayoutSVGInlineText::positionForPoint(const LayoutPoint& point)
{
    if (!firstTextBox() || !textLength())
        return createPositionWithAffinity(0, DOWNSTREAM);

    ASSERT(m_scalingFactor);
    float baseline = m_scaledFont.fontMetrics().floatAscent() / m_scalingFactor;

    LayoutBlock* containingBlock = this->containingBlock();
    ASSERT(containingBlock);

    // Map local point to absolute point, as the character origins stored in the text fragments use absolute coordinates.
    FloatPoint absolutePoint(point);
    absolutePoint.moveBy(containingBlock->location());

    float closestDistance = std::numeric_limits<float>::max();
    float closestDistancePosition = 0;
    const SVGTextFragment* closestDistanceFragment = 0;
    SVGInlineTextBox* closestDistanceBox = 0;

    AffineTransform fragmentTransform;
    for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) {
        if (!box->isSVGInlineTextBox())
            continue;

        SVGInlineTextBox* textBox = toSVGInlineTextBox(box);
        Vector<SVGTextFragment>& fragments = textBox->textFragments();

        unsigned textFragmentsSize = fragments.size();
        for (unsigned i = 0; i < textFragmentsSize; ++i) {
            const SVGTextFragment& fragment = fragments.at(i);
            FloatRect fragmentRect(fragment.x, fragment.y - baseline, fragment.width, fragment.height);
            fragment.buildFragmentTransform(fragmentTransform);
            if (!fragmentTransform.isIdentity())
                fragmentRect = fragmentTransform.mapRect(fragmentRect);

            float distance = 0;
            if (!fragmentRect.contains(absolutePoint))
                distance = squaredDistanceToClosestPoint(fragmentRect, absolutePoint);

            if (distance <= closestDistance) {
                closestDistance = distance;
                closestDistanceBox = textBox;
                closestDistanceFragment = &fragment;
                closestDistancePosition = fragmentRect.x();
            }
        }
    }

    if (!closestDistanceFragment)
        return createPositionWithAffinity(0, DOWNSTREAM);

    int offset = closestDistanceBox->offsetForPositionInFragment(*closestDistanceFragment, absolutePoint.x() - closestDistancePosition, true);
    return createPositionWithAffinity(offset + closestDistanceBox->start(), offset > 0 ? VP_UPSTREAM_IF_POSSIBLE : DOWNSTREAM);
}
示例#5
0
VisiblePosition RenderSVGInlineText::positionForPoint(const IntPoint& point)
{
    if (!firstTextBox() || !textLength())
        return createVisiblePosition(0, DOWNSTREAM);

    RenderStyle* style = this->style();
    ASSERT(style);
    int baseline = style->font().ascent();

    RenderBlock* containingBlock = this->containingBlock();
    ASSERT(containingBlock);

    // Map local point to absolute point, as the character origins stored in the text fragments use absolute coordinates.
    FloatPoint absolutePoint(point);
    absolutePoint.move(containingBlock->x(), containingBlock->y());

    float closestDistance = std::numeric_limits<float>::max();
    float closestDistancePosition = 0;
    const SVGTextFragment* closestDistanceFragment = 0;
    SVGInlineTextBox* closestDistanceBox = 0;

    for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) {
        ASSERT(box->isSVGInlineTextBox());
        SVGInlineTextBox* textBox = static_cast<SVGInlineTextBox*>(box);
        Vector<SVGTextFragment>& fragments = textBox->textFragments();

        unsigned textFragmentsSize = fragments.size();
        for (unsigned i = 0; i < textFragmentsSize; ++i) {
            const SVGTextFragment& fragment = fragments.at(i);
            FloatRect fragmentRect(fragment.x, fragment.y - baseline, fragment.width, fragment.height);
            if (!fragment.transform.isIdentity())
                fragmentRect = fragment.transform.mapRect(fragmentRect);

            float distance = powf(fragmentRect.x() - absolutePoint.x(), 2) +
                             powf(fragmentRect.y() + fragmentRect.height() / 2 - absolutePoint.y(), 2);

            if (distance < closestDistance) {
                closestDistance = distance;
                closestDistanceBox = textBox;
                closestDistanceFragment = &fragment;
                closestDistancePosition = fragmentRect.x();
            }
        }
    }

    if (!closestDistanceFragment)
        return createVisiblePosition(0, DOWNSTREAM);

    int offset = closestDistanceBox->offsetForPositionInFragment(*closestDistanceFragment, absolutePoint.x() - closestDistancePosition, true);
    return createVisiblePosition(offset + closestDistanceBox->start(), offset > 0 ? VP_UPSTREAM_IF_POSSIBLE : DOWNSTREAM);
}
void SVGInlineTextBoxPainter::paintTextMatchMarker(GraphicsContext* context, const LayoutPoint&, DocumentMarker* marker, const ComputedStyle& style, const Font& font)
{
    // SVG is only interested in the TextMatch markers.
    if (marker->type() != DocumentMarker::TextMatch)
        return;

    LayoutSVGInlineText& textLayoutObject = toLayoutSVGInlineText(m_svgInlineTextBox.layoutObject());

    AffineTransform fragmentTransform;
    for (InlineTextBox* box = textLayoutObject.firstTextBox(); box; box = box->nextTextBox()) {
        if (!box->isSVGInlineTextBox())
            continue;

        SVGInlineTextBox* textBox = toSVGInlineTextBox(box);

        int markerStartPosition = std::max<int>(marker->startOffset() - textBox->start(), 0);
        int markerEndPosition = std::min<int>(marker->endOffset() - textBox->start(), textBox->len());

        if (markerStartPosition >= markerEndPosition)
            continue;

        const Vector<SVGTextFragment>& fragments = textBox->textFragments();
        unsigned textFragmentsSize = fragments.size();
        for (unsigned i = 0; i < textFragmentsSize; ++i) {
            const SVGTextFragment& fragment = fragments.at(i);

            int fragmentStartPosition = markerStartPosition;
            int fragmentEndPosition = markerEndPosition;
            if (!textBox->mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
                continue;

            FloatRect fragmentRect = textBox->selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style);
            fragment.buildFragmentTransform(fragmentTransform);

            // Draw the marker highlight.
            if (m_svgInlineTextBox.layoutObject().frame()->editor().markedTextMatchesAreHighlighted()) {
                Color color = marker->activeMatch() ?
                    LayoutTheme::theme().platformActiveTextSearchHighlightColor() :
                    LayoutTheme::theme().platformInactiveTextSearchHighlightColor();
                GraphicsContextStateSaver stateSaver(*context);
                if (!fragmentTransform.isIdentity())
                    context->concatCTM(fragmentTransform);
                context->setFillColor(color);
                context->fillRect(fragmentRect, color);
            }
        }
    }
}
示例#7
0
PositionWithAffinity LayoutSVGInlineText::positionForPoint(const LayoutPoint& point)
{
    if (!hasTextBoxes() || !textLength())
        return createPositionWithAffinity(0);

    ASSERT(m_scalingFactor);
    float baseline = m_scaledFont.getFontMetrics().floatAscent() / m_scalingFactor;

    LayoutBlock* containingBlock = this->containingBlock();
    ASSERT(containingBlock);

    // Map local point to absolute point, as the character origins stored in the text fragments use absolute coordinates.
    FloatPoint absolutePoint(point);
    absolutePoint.moveBy(containingBlock->location());

    float closestDistance = std::numeric_limits<float>::max();
    float closestDistancePosition = 0;
    const SVGTextFragment* closestDistanceFragment = nullptr;
    SVGInlineTextBox* closestDistanceBox = nullptr;

    for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) {
        if (!box->isSVGInlineTextBox())
            continue;

        SVGInlineTextBox* textBox = toSVGInlineTextBox(box);
        for (const SVGTextFragment& fragment : textBox->textFragments()) {
            FloatRect fragmentRect = fragment.boundingBox(baseline);

            float distance = 0;
            if (!fragmentRect.contains(absolutePoint))
                distance = fragmentRect.squaredDistanceTo(absolutePoint);

            if (distance <= closestDistance) {
                closestDistance = distance;
                closestDistanceBox = textBox;
                closestDistanceFragment = &fragment;
                closestDistancePosition = fragmentRect.x();
            }
        }
    }

    if (!closestDistanceFragment)
        return createPositionWithAffinity(0);

    int offset = closestDistanceBox->offsetForPositionInFragment(*closestDistanceFragment, LayoutUnit(absolutePoint.x() - closestDistancePosition), true);
    return createPositionWithAffinity(offset + closestDistanceBox->start(), offset > 0 ? VP_UPSTREAM_IF_POSSIBLE : TextAffinity::Downstream);
}