C++ FloatRect::location方法代码示例

LayoutRect::LayoutRect(const FloatRect& r)
    : m_location(LayoutPoint(r.location()))
    , m_size(LayoutSize(r.size()))
{
}

static bool initializeIndicator(TextIndicatorData& data, Frame& frame, const Range& range, FloatSize margin, bool indicatesCurrentSelection)
{
    Vector<FloatRect> textRects;

    // FIXME (138888): Ideally we wouldn't remove the margin in this case, but we need to
    // ensure that the indicator and indicator-with-highlight overlap precisely, and
    // we can't add a margin to the indicator-with-highlight.
    if (indicatesCurrentSelection && !(data.options & TextIndicatorOptionIncludeMarginIfRangeMatchesSelection))
        margin = FloatSize();

    FrameSelection::TextRectangleHeight textRectHeight = (data.options & TextIndicatorOptionTightlyFitContent) ? FrameSelection::TextRectangleHeight::TextHeight : FrameSelection::TextRectangleHeight::SelectionHeight;

    if ((data.options & TextIndicatorOptionUseBoundingRectAndPaintAllContentForComplexRanges) && hasNonInlineOrReplacedElements(range))
        data.options |= TextIndicatorOptionPaintAllContent;
    else {
        if (data.options & TextIndicatorOptionDoNotClipToVisibleRect)
            frame.selection().getTextRectangles(textRects, textRectHeight);
        else
            frame.selection().getClippedVisibleTextRectangles(textRects, textRectHeight);
    }

    if (textRects.isEmpty()) {
        RenderView* renderView = frame.contentRenderer();
        if (!renderView)
            return false;
        FloatRect boundingRect = range.absoluteBoundingRect();
        if (data.options & TextIndicatorOptionDoNotClipToVisibleRect)
            textRects.append(boundingRect);
        else {
            // Clip to the visible rect, just like getClippedVisibleTextRectangles does.
            // FIXME: We really want to clip to the unobscured rect in both cases, I think.
            // (this seems to work on Mac, but maybe not iOS?)
            FloatRect visibleContentRect = frame.view()->visibleContentRect(ScrollableArea::LegacyIOSDocumentVisibleRect);
            textRects.append(intersection(visibleContentRect, boundingRect));
        }
    }

    FloatRect textBoundingRectInRootViewCoordinates;
    FloatRect textBoundingRectInDocumentCoordinates;
    Vector<FloatRect> textRectsInRootViewCoordinates;
    for (const FloatRect& textRect : textRects) {
        FloatRect textRectInDocumentCoordinatesIncludingMargin = textRect;
        textRectInDocumentCoordinatesIncludingMargin.inflateX(margin.width());
        textRectInDocumentCoordinatesIncludingMargin.inflateY(margin.height());
        textBoundingRectInDocumentCoordinates.unite(textRectInDocumentCoordinatesIncludingMargin);

        FloatRect textRectInRootViewCoordinates = frame.view()->contentsToRootView(enclosingIntRect(textRectInDocumentCoordinatesIncludingMargin));
        textRectsInRootViewCoordinates.append(textRectInRootViewCoordinates);
        textBoundingRectInRootViewCoordinates.unite(textRectInRootViewCoordinates);
    }

    Vector<FloatRect> textRectsInBoundingRectCoordinates;
    for (auto rect : textRectsInRootViewCoordinates) {
        rect.moveBy(-textBoundingRectInRootViewCoordinates.location());
        textRectsInBoundingRectCoordinates.append(rect);
    }

    // Store the selection rect in window coordinates, to be used subsequently
    // to determine if the indicator and selection still precisely overlap.
    data.selectionRectInRootViewCoordinates = frame.view()->contentsToRootView(enclosingIntRect(frame.selection().selectionBounds()));
    data.textBoundingRectInRootViewCoordinates = textBoundingRectInRootViewCoordinates;
    data.textRectsInBoundingRectCoordinates = textRectsInBoundingRectCoordinates;

    return takeSnapshots(data, frame, enclosingIntRect(textBoundingRectInDocumentCoordinates), textRects);
}

bool RenderEmbeddedObject::getReplacementTextGeometry(int tx, int ty, FloatRect& contentRect, Path& path, FloatRect& replacementTextRect, Font& font, TextRun& run, float& textWidth)
{
    contentRect = contentBoxRect();
    contentRect.move(tx, ty);
    
    FontDescription fontDescription;
    RenderTheme::defaultTheme()->systemFont(CSSValueWebkitSmallControl, fontDescription);
    fontDescription.setWeight(FontWeightBold);
    Settings* settings = document()->settings();
    ASSERT(settings);
    if (!settings)
        return false;
    fontDescription.setRenderingMode(settings->fontRenderingMode());
    fontDescription.setComputedSize(fontDescription.specifiedSize());
    font = Font(fontDescription, 0, 0);
    font.update(0);
    
    run = TextRun(m_replacementText.characters(), m_replacementText.length());
    textWidth = font.width(run);
    
    replacementTextRect.setSize(FloatSize(textWidth + replacementTextRoundedRectLeftRightTextMargin * 2, replacementTextRoundedRectHeight));
    float x = (contentRect.size().width() / 2 - replacementTextRect.size().width() / 2) + contentRect.location().x();
    float y = (contentRect.size().height() / 2 - replacementTextRect.size().height() / 2) + contentRect.location().y();
    replacementTextRect.setLocation(FloatPoint(x, y));
    
    path.addRoundedRect(replacementTextRect, FloatSize(replacementTextRoundedRectRadius, replacementTextRoundedRectRadius));

    return true;
}

bool RenderEmbeddedObject::getReplacementTextGeometry(const LayoutPoint& accumulatedOffset, FloatRect& contentRect, Path& path, FloatRect& replacementTextRect, Font& font, TextRun& run, float& textWidth) const
{
    contentRect = contentBoxRect();
    contentRect.moveBy(roundedIntPoint(accumulatedOffset));

    FontDescription fontDescription;
    RenderTheme::theme().systemFont(CSSValueWebkitSmallControl, fontDescription);
    fontDescription.setWeight(FontWeightBold);
    Settings* settings = document().settings();
    ASSERT(settings);
    if (!settings)
        return false;
    fontDescription.setComputedSize(fontDescription.specifiedSize());
    font = Font(fontDescription);
    font.update(nullptr);

    run = TextRun(m_unavailablePluginReplacementText);
    textWidth = font.width(run);

    replacementTextRect.setSize(FloatSize(textWidth + replacementTextRoundedRectLeftRightTextMargin * 2, replacementTextRoundedRectHeight));
    float x = (contentRect.size().width() / 2 - replacementTextRect.size().width() / 2) + contentRect.location().x();
    float y = (contentRect.size().height() / 2 - replacementTextRect.size().height() / 2) + contentRect.location().y();
    replacementTextRect.setLocation(FloatPoint(x, y));

    path.addRoundedRect(replacementTextRect, FloatSize(replacementTextRoundedRectRadius, replacementTextRoundedRectRadius));

    return true;
}

bool RenderEmbeddedObject::getReplacementTextGeometry(const LayoutPoint& accumulatedOffset, FloatRect& contentRect, Path& path, FloatRect& replacementTextRect, FloatRect& arrowRect, Font& font, TextRun& run, float& textWidth) const
{
    contentRect = contentBoxRect();
    contentRect.moveBy(roundedIntPoint(accumulatedOffset));

    FontDescription fontDescription;
    RenderTheme::defaultTheme()->systemFont(CSSValueWebkitSmallControl, fontDescription);
    fontDescription.setWeight(FontWeightBold);
    Settings* settings = document()->settings();
    ASSERT(settings);
    if (!settings)
        return false;
    fontDescription.setRenderingMode(settings->fontRenderingMode());
    fontDescription.setComputedSize(fontDescription.specifiedSize());
    font = Font(fontDescription, 0, 0);
    font.update(0);

    run = TextRun(m_unavailablePluginReplacementText);
    textWidth = font.width(run);

    replacementTextRect.setSize(FloatSize(textWidth + replacementTextRoundedRectLeftRightTextMargin * 2, replacementTextRoundedRectHeight));
    float x = (contentRect.size().width() / 2 - replacementTextRect.size().width() / 2) + contentRect.location().x();
    float y = (contentRect.size().height() / 2 - replacementTextRect.size().height() / 2) + contentRect.location().y();
    replacementTextRect.setLocation(FloatPoint(x, y));

    replacementTextRect.setHeight(replacementTextRect.height() + replacementTextRoundedRectBottomTextPadding);

    path.addRoundedRect(replacementTextRect, FloatSize(replacementTextRoundedRectRadius, replacementTextRoundedRectRadius));

    if (shouldUnavailablePluginMessageBeButton(document(), m_pluginUnavailabilityReason)) {
        arrowRect = path.boundingRect();
        arrowRect.setX(ceilf(arrowRect.maxX() + replacementArrowLeftMargin));
        arrowRect.setWidth(arrowRect.height());
        arrowRect.inflate(-0.5);
        path.addEllipse(arrowRect);
        addReplacementArrowPath(path, arrowRect);
    }

    return true;
}

IntRect roundedIntRect(const FloatRect& rect)
{
    return IntRect(roundedIntPoint(rect.location()), roundedIntSize(rect.size()));
}

IntRect HTMLCanvasElement::convertLogicalToDevice(const FloatRect& logicalRect) const
{
    return IntRect(convertLogicalToDevice(logicalRect.location()), convertLogicalToDevice(logicalRect.size()));
}

bool RenderEmbeddedObject::getReplacementTextGeometry(const LayoutPoint& accumulatedOffset, FloatRect& contentRect, FloatRect& indicatorRect, FloatRect& replacementTextRect, FloatRect& arrowRect, Font& font, TextRun& run, float& textWidth) const
{
    bool includesArrow = shouldUnavailablePluginMessageBeButton(document(), m_pluginUnavailabilityReason);

    contentRect = contentBoxRect();
    contentRect.moveBy(roundedIntPoint(accumulatedOffset));

    FontDescription fontDescription;
    RenderTheme::defaultTheme()->systemFont(CSSValueWebkitSmallControl, fontDescription);
    fontDescription.setWeight(FontWeightBold);
    fontDescription.setRenderingMode(frame().settings().fontRenderingMode());
    fontDescription.setComputedSize(12);
    font = Font(fontDescription, 0, 0);
    font.update(0);

    run = TextRun(m_unavailablePluginReplacementText);
    textWidth = font.width(run);

    replacementTextRect.setSize(FloatSize(textWidth + replacementTextRoundedRectLeftTextMargin + (includesArrow ? replacementTextRoundedRectRightTextMarginWithArrow : replacementTextRoundedRectRightTextMargin), replacementTextRoundedRectHeight));
    float x = (contentRect.size().width() / 2 - replacementTextRect.size().width() / 2) + contentRect.location().x();
    float y = (contentRect.size().height() / 2 - replacementTextRect.size().height() / 2) + contentRect.location().y();
    replacementTextRect.setLocation(FloatPoint(x, y));

    indicatorRect = replacementTextRect;

    // Expand the background rect to include the arrow, if it will be used.
    if (includesArrow) {
        arrowRect = indicatorRect;
        arrowRect.setX(ceilf(arrowRect.maxX() + replacementArrowLeftMargin));
        arrowRect.setWidth(arrowRect.height());
        indicatorRect.unite(arrowRect);
    }

    return true;
}

bool LinkHighlight::computeHighlightLayerPathAndPosition(RenderLayer* compositingLayer)
{
    if (!m_node || !m_node->renderer())
        return false;

    ASSERT(compositingLayer);

    // Get quads for node in absolute coordinates.
    Vector<FloatQuad> quads;
    m_node->renderer()->absoluteQuads(quads);
    ASSERT(quads.size());

    FloatRect positionAdjust;
    if (!m_usingNonCompositedContentHost) {
        const RenderStyle* style = m_node->renderer()->style();
        // If we have a box shadow, and are non-relative, then must manually adjust
        // for its size.
        if (const ShadowData* shadow = style->boxShadow()) {
            int outlineSize = m_node->renderer()->outlineStyleForRepaint()->outlineSize();
            shadow->adjustRectForShadow(positionAdjust, outlineSize);
        }

        // If absolute or fixed, need to subtract out our fixed positioning.
        // FIXME: should we use RenderLayer::staticBlockPosition() here instead?
        // Perhaps consider this if out-of-flow elements cause further problems.
        if (m_node->renderer()->isOutOfFlowPositioned()) {
            FloatPoint delta(style->left().getFloatValue(), style->top().getFloatValue());
            positionAdjust.moveBy(delta);
        }
    }

    Path newPath;
    for (unsigned quadIndex = 0; quadIndex < quads.size(); ++quadIndex) {

        FloatQuad localQuad = m_node->renderer()->absoluteToLocalQuad(quads[quadIndex], UseTransforms);
        localQuad.move(-positionAdjust.location().x(), -positionAdjust.location().y());
        FloatQuad absoluteQuad = m_node->renderer()->localToAbsoluteQuad(localQuad, UseTransforms);

        // Transform node quads in target absolute coords to local coordinates in the compositor layer.
        FloatQuad transformedQuad;
        convertTargetSpaceQuadToCompositedLayer(absoluteQuad, m_node->renderer(), compositingLayer->renderer(), transformedQuad);

        // FIXME: for now, we'll only use rounded paths if we have a single node quad. The reason for this is that
        // we may sometimes get a chain of adjacent boxes (e.g. for text nodes) which end up looking like sausage
        // links: these should ideally be merged into a single rect before creating the path, but that's
        // another CL.
        if (quads.size() == 1 && transformedQuad.isRectilinear()) {
            FloatSize rectRoundingRadii(3, 3);
            newPath.addRoundedRect(transformedQuad.boundingBox(), rectRoundingRadii);
        } else
            addQuadToPath(transformedQuad, newPath);
    }

    FloatRect boundingRect = newPath.boundingRect();
    newPath.translate(-toFloatSize(boundingRect.location()));

    bool pathHasChanged = !(newPath == m_path);
    if (pathHasChanged) {
        m_path = newPath;
        m_contentLayer->layer()->setBounds(enclosingIntRect(boundingRect).size());
    }

    m_contentLayer->layer()->setPosition(boundingRect.location());

    return pathHasChanged;
}

FloatRect ImageBuffer::clampedRect(const FloatRect& rect)
{
    return FloatRect(rect.location(), clampedSize(rect.size()));
}