TEST_F(VisualRectMappingTest, LayoutInline) {
document().setBaseURLOverride(KURL(ParsedURLString, "http://test.com"));
setBodyInnerHTML(
"<style>body { margin: 0; }</style>"
"<div id='container' style='overflow: scroll; width: 50px; height: 50px'>"
" <span><img style='width: 20px; height: 100px'></span>"
" <span id=leaf></span></div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
LayoutObject* leaf = container->lastChild();
container->setScrollTop(LayoutUnit(50));
LayoutRect originalRect(0, 60, 20, 80);
LayoutRect rect = originalRect;
EXPECT_TRUE(leaf->mapToVisualRectInAncestorSpace(container, rect));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 80));
rect = originalRect;
EXPECT_TRUE(leaf->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 40));
checkPaintInvalidationStateRectMapping(rect, originalRect, *leaf,
layoutView(), layoutView());
rect = LayoutRect(0, 60, 80, 0);
EXPECT_TRUE(
leaf->mapToVisualRectInAncestorSpace(container, rect, EdgeInclusive));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 80, 0));
}
TEST_F(VisualRectMappingTest, LayoutText) {
setBodyInnerHTML(
"<style>body { margin: 0; }</style>"
"<div id='container' style='overflow: scroll; width: 50px; height: 50px'>"
" <span><img style='width: 20px; height: 100px'></span>"
" text text text text text text text"
"</div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
LayoutText* text = toLayoutText(container->lastChild());
container->setScrollTop(LayoutUnit(50));
LayoutRect originalRect(0, 60, 20, 80);
LayoutRect rect = originalRect;
EXPECT_TRUE(text->mapToVisualRectInAncestorSpace(container, rect));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 80));
rect = originalRect;
EXPECT_TRUE(text->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 40));
checkPaintInvalidationStateRectMapping(rect, originalRect, *text,
layoutView(), layoutView());
rect = LayoutRect(0, 60, 80, 0);
EXPECT_TRUE(
text->mapToVisualRectInAncestorSpace(container, rect, EdgeInclusive));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 80, 0));
}
void FieldsetPainter::paintMask(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (m_layoutFieldset.style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
LayoutRect paintRect = LayoutRect(paintOffset, m_layoutFieldset.size());
LayoutBox* legend = m_layoutFieldset.findInFlowLegend();
if (!legend)
return BoxPainter(m_layoutFieldset).paintMask(paintInfo, paintOffset);
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutFieldset, paintInfo.phase, paintOffset))
return;
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
if (m_layoutFieldset.style()->isHorizontalWritingMode()) {
LayoutUnit yOff = (legend->location().y() > LayoutUnit()) ? LayoutUnit() : (legend->size().height() - m_layoutFieldset.borderTop()) / 2;
paintRect.expand(LayoutUnit(), -yOff);
paintRect.move(LayoutUnit(), yOff);
} else {
LayoutUnit xOff = (legend->location().x() > LayoutUnit()) ? LayoutUnit() : (legend->size().width() - m_layoutFieldset.borderLeft()) / 2;
paintRect.expand(-xOff, LayoutUnit());
paintRect.move(xOff, LayoutUnit());
}
LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutFieldset, paintInfo.phase, paintRect, paintOffset);
BoxPainter(m_layoutFieldset).paintMaskImages(paintInfo, paintRect);
}
IntRect RenderVideo::videoBox() const
{
if (m_cachedImageSize.isEmpty() && videoElement()->shouldDisplayPosterImage())
return IntRect();
LayoutSize elementSize;
if (videoElement()->shouldDisplayPosterImage())
elementSize = m_cachedImageSize;
else
elementSize = intrinsicSize();
IntRect contentRect = pixelSnappedIntRect(contentBoxRect());
if (elementSize.isEmpty() || contentRect.isEmpty())
return IntRect();
LayoutRect renderBox = contentRect;
LayoutUnit ratio = renderBox.width() * elementSize.height() - renderBox.height() * elementSize.width();
if (ratio > 0) {
LayoutUnit newWidth = renderBox.height() * elementSize.width() / elementSize.height();
// Just fill the whole area if the difference is one pixel or less (in both sides)
if (renderBox.width() - newWidth > 2)
renderBox.setWidth(newWidth);
renderBox.move((contentRect.width() - renderBox.width()) / 2, 0);
} else if (ratio < 0) {
LayoutUnit newHeight = renderBox.width() * elementSize.height() / elementSize.width();
if (renderBox.height() - newHeight > 2)
renderBox.setHeight(newHeight);
renderBox.move(0, (contentRect.height() - renderBox.height()) / 2);
}
return pixelSnappedIntRect(renderBox);
}
void AccessibilityObject::scrollToGlobalPoint(const IntPoint& globalPoint) const
{
// Search up the parent chain and create a vector of all scrollable parent objects
// and ending with this object itself.
Vector<const AccessibilityObject*> objects;
AccessibilityObject* parentObject;
for (parentObject = this->parentObject(); parentObject; parentObject = parentObject->parentObject()) {
if (parentObject->getScrollableAreaIfScrollable())
objects.prepend(parentObject);
}
objects.append(this);
// Start with the outermost scrollable (the main window) and try to scroll the
// next innermost object to the given point.
int offsetX = 0, offsetY = 0;
IntPoint point = globalPoint;
size_t levels = objects.size() - 1;
for (size_t i = 0; i < levels; i++) {
const AccessibilityObject* outer = objects[i];
const AccessibilityObject* inner = objects[i + 1];
ScrollableArea* scrollableArea = outer->getScrollableAreaIfScrollable();
LayoutRect innerRect = inner->isAccessibilityScrollView() ? inner->parentObject()->elementRect() : inner->elementRect();
LayoutRect objectRect = innerRect;
IntPoint scrollPosition = scrollableArea->scrollPosition();
// Convert the object rect into local coordinates.
objectRect.move(offsetX, offsetY);
if (!outer->isAccessibilityScrollView())
objectRect.move(scrollPosition.x(), scrollPosition.y());
int desiredX = computeBestScrollOffset(
0,
objectRect.x(), objectRect.maxX(),
objectRect.x(), objectRect.maxX(),
point.x(), point.x());
int desiredY = computeBestScrollOffset(
0,
objectRect.y(), objectRect.maxY(),
objectRect.y(), objectRect.maxY(),
point.y(), point.y());
outer->scrollTo(IntPoint(desiredX, desiredY));
if (outer->isAccessibilityScrollView() && !inner->isAccessibilityScrollView()) {
// If outer object we just scrolled is a scroll view (main window or iframe) but the
// inner object is not, keep track of the coordinate transformation to apply to
// future nested calculations.
scrollPosition = scrollableArea->scrollPosition();
offsetX -= (scrollPosition.x() + point.x());
offsetY -= (scrollPosition.y() + point.y());
point.move(scrollPosition.x() - innerRect.x(),
scrollPosition.y() - innerRect.y());
} else if (inner->isAccessibilityScrollView()) {
// Otherwise, if the inner object is a scroll view, reset the coordinate transformation.
offsetX = 0;
offsetY = 0;
}
}
}
void RenderFieldset::paintMask(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (style().visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
LayoutRect paintRect = LayoutRect(paintOffset, size());
RenderBox* legend = findLegend();
if (!legend)
return RenderBlockFlow::paintMask(paintInfo, paintOffset);
// FIXME: We need to work with "rl" and "bt" block flow directions. In those
// cases the legend is embedded in the right and bottom borders respectively.
// https://bugs.webkit.org/show_bug.cgi?id=47236
if (style().isHorizontalWritingMode()) {
LayoutUnit yOff = (legend->y() > 0) ? LayoutUnit() : (legend->height() - borderTop()) / 2;
paintRect.expand(0, -yOff);
paintRect.move(0, yOff);
} else {
LayoutUnit xOff = (legend->x() > 0) ? LayoutUnit() : (legend->width() - borderLeft()) / 2;
paintRect.expand(-xOff, 0);
paintRect.move(xOff, 0);
}
paintMaskImages(paintInfo, paintRect);
}
IntRect RenderThemeChromiumSkia::convertToPaintingRect(RenderObject* inputRenderer, const RenderObject* partRenderer, LayoutRect partRect, const IntRect& localOffset) const
{
// Compute an offset between the part renderer and the input renderer.
LayoutSize offsetFromInputRenderer = -partRenderer->offsetFromAncestorContainer(inputRenderer);
// Move the rect into partRenderer's coords.
partRect.move(offsetFromInputRenderer);
// Account for the local drawing offset.
partRect.move(localOffset.x(), localOffset.y());
return pixelSnappedIntRect(partRect);
}
void RenderView::adjustViewportConstrainedOffset(LayoutRect& rect, ViewportConstrainedPosition viewportConstraint) const
{
if (viewportConstraint != IsFixedPosition)
return;
if (m_frameView) {
rect.move(m_frameView->scrollOffsetForFixedPosition());
// If we have a pending scroll, invalidate the previous scroll position.
if (!m_frameView->pendingScrollDelta().isZero())
rect.move(-LayoutSize(m_frameView->pendingScrollDelta()));
}
}
static LayoutRect rectToAbsoluteCoordinates(Frame* initialFrame, const LayoutRect& initialRect)
{
LayoutRect rect = initialRect;
for (Frame* frame = initialFrame; frame; frame = frame->tree().parent()) {
if (Element* element = frame->ownerElement()) {
do {
rect.move(element->offsetLeft(), element->offsetTop());
} while ((element = element->offsetParent()));
rect.move((-frame->view()->scrollOffset()));
}
}
return rect;
}
void FontCascade::adjustSelectionRectForComplexText(const TextRun& run, LayoutRect& selectionRect, int from, int to) const
{
UniscribeController it(this, run);
it.advance(from);
float beforeWidth = it.runWidthSoFar();
it.advance(to);
float afterWidth = it.runWidthSoFar();
if (run.rtl()) {
it.advance(run.length());
selectionRect.move(it.runWidthSoFar() - afterWidth, 0);
} else
selectionRect.move(beforeWidth, 0);
selectionRect.setWidth(afterWidth - beforeWidth);
}
void RenderWidget::paintContents(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
IntPoint contentPaintOffset = roundedIntPoint(paintOffset + location() + contentBoxRect().location());
// Tell the widget to paint now. This is the only time the widget is allowed
// to paint itself. That way it will composite properly with z-indexed layers.
LayoutRect paintRect = paintInfo.rect;
IntPoint widgetLocation = m_widget->frameRect().location();
IntSize widgetPaintOffset = contentPaintOffset - widgetLocation;
// When painting widgets into compositing layers, tx and ty are relative to the enclosing compositing layer,
// not the root. In this case, shift the CTM and adjust the paintRect to be root-relative to fix plug-in drawing.
if (!widgetPaintOffset.isZero()) {
paintInfo.context().translate(widgetPaintOffset);
paintRect.move(-widgetPaintOffset);
}
// FIXME: Remove repaintrect encolsing/integral snapping when RenderWidget becomes device pixel snapped.
m_widget->paint(paintInfo.context(), snappedIntRect(paintRect));
if (!widgetPaintOffset.isZero())
paintInfo.context().translate(-widgetPaintOffset);
if (is<FrameView>(*m_widget)) {
FrameView& frameView = downcast<FrameView>(*m_widget);
bool runOverlapTests = !frameView.useSlowRepaintsIfNotOverlapped();
if (paintInfo.overlapTestRequests && runOverlapTests) {
ASSERT(!paintInfo.overlapTestRequests->contains(this));
paintInfo.overlapTestRequests->set(this, m_widget->frameRect());
}
}
}
void RenderWidget::paintContents(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
LayoutPoint adjustedPaintOffset = paintOffset + location();
// Tell the widget to paint now. This is the only time the widget is allowed
// to paint itself. That way it will composite properly with z-indexed layers.
IntPoint widgetLocation = m_widget->frameRect().location();
IntPoint paintLocation(roundToInt(adjustedPaintOffset.x() + borderLeft() + paddingLeft()),
roundToInt(adjustedPaintOffset.y() + borderTop() + paddingTop()));
LayoutRect paintRect = paintInfo.rect;
LayoutSize widgetPaintOffset = paintLocation - widgetLocation;
// When painting widgets into compositing layers, tx and ty are relative to the enclosing compositing layer,
// not the root. In this case, shift the CTM and adjust the paintRect to be root-relative to fix plug-in drawing.
if (!widgetPaintOffset.isZero()) {
paintInfo.context->translate(widgetPaintOffset);
paintRect.move(-widgetPaintOffset);
}
m_widget->paint(paintInfo.context, pixelSnappedIntRect(paintRect));
if (!widgetPaintOffset.isZero())
paintInfo.context->translate(-widgetPaintOffset);
if (m_widget->isFrameView()) {
FrameView* frameView = toFrameView(m_widget.get());
bool runOverlapTests = !frameView->useSlowRepaintsIfNotOverlapped() || frameView->hasCompositedContentIncludingDescendants();
if (paintInfo.overlapTestRequests && runOverlapTests) {
ASSERT(!paintInfo.overlapTestRequests->contains(this));
paintInfo.overlapTestRequests->set(this, m_widget->frameRect());
}
}
}
void RenderView::computeRectForRepaint(RenderBoxModelObject* repaintContainer, LayoutRect& rect, bool fixed) const
{
// If a container was specified, and was not 0 or the RenderView,
// then we should have found it by now.
ASSERT_ARG(repaintContainer, !repaintContainer || repaintContainer == this);
if (printing())
return;
if (style()->isFlippedBlocksWritingMode()) {
// We have to flip by hand since the view's logical height has not been determined. We
// can use the viewport width and height.
if (style()->isHorizontalWritingMode())
rect.setY(viewHeight() - rect.maxY());
else
rect.setX(viewWidth() - rect.maxX());
}
if (fixed && m_frameView)
rect.move(m_frameView->scrollOffsetForFixedPosition());
// Apply our transform if we have one (because of full page zooming).
if (!repaintContainer && m_layer && m_layer->transform())
rect = m_layer->transform()->mapRect(rect);
}
LayoutRect RenderReplaced::replacedContentRect(const LayoutSize& intrinsicSize) const
{
LayoutRect contentRect = contentBoxRect();
ObjectFit objectFit = style().objectFit();
if (objectFit == ObjectFitFill)
return contentRect;
if (!intrinsicSize.width() || !intrinsicSize.height())
return contentRect;
LayoutRect finalRect = contentRect;
switch (objectFit) {
case ObjectFitContain:
case ObjectFitScaleDown:
case ObjectFitCover:
finalRect.setSize(finalRect.size().fitToAspectRatio(intrinsicSize, objectFit == ObjectFitCover ? AspectRatioFitGrow : AspectRatioFitShrink));
if (objectFit != ObjectFitScaleDown || finalRect.width() <= intrinsicSize.width())
break;
// fall through
case ObjectFitNone:
finalRect.setSize(intrinsicSize);
break;
case ObjectFitFill:
ASSERT_NOT_REACHED();
}
// FIXME: This is where object-position should be taken into account, but since it's not
// implemented yet, assume the initial value of "50% 50%".
LayoutUnit xOffset = (contentRect.width() - finalRect.width()) / 2;
LayoutUnit yOffset = (contentRect.height() - finalRect.height()) / 2;
finalRect.move(xOffset, yOffset);
return finalRect;
}
bool BlockPainter::intersectsPaintRect(
const PaintInfo& paintInfo,
const LayoutPoint& adjustedPaintOffset) const {
LayoutRect overflowRect;
if (paintInfo.isPrinting() && m_layoutBlock.isAnonymousBlock() &&
m_layoutBlock.childrenInline()) {
// For case <a href="..."><div>...</div></a>, when m_layoutBlock is the
// anonymous container of <a>, the anonymous container's visual overflow is
// empty, but we need to continue painting to output <a>'s PDF URL rect
// which covers the continuations, as if we included <a>'s PDF URL rect into
// m_layoutBlock's visual overflow.
Vector<LayoutRect> rects;
m_layoutBlock.addElementVisualOverflowRects(rects, LayoutPoint());
overflowRect = unionRect(rects);
}
overflowRect.unite(m_layoutBlock.visualOverflowRect());
bool usesCompositedScrolling = m_layoutBlock.hasOverflowModel() &&
m_layoutBlock.usesCompositedScrolling();
if (usesCompositedScrolling) {
LayoutRect layoutOverflowRect = m_layoutBlock.layoutOverflowRect();
overflowRect.unite(layoutOverflowRect);
}
m_layoutBlock.flipForWritingMode(overflowRect);
// Scrolling is applied in physical space, which is why it is after the flip
// above.
if (usesCompositedScrolling) {
overflowRect.move(-m_layoutBlock.scrolledContentOffset());
}
overflowRect.moveBy(adjustedPaintOffset);
return paintInfo.cullRect().intersectsCullRect(overflowRect);
}
LayoutRect SVGRenderSupport::clippedOverflowRectForPaintInvalidation(const RenderObject* object, const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState)
{
// Return early for any cases where we don't actually paint
if (object->style()->visibility() != VISIBLE && !object->enclosingLayer()->hasVisibleContent())
return LayoutRect();
// Pass our local paint rect to computeRectForPaintInvalidation() which will
// map to parent coords and recurse up the parent chain.
FloatRect paintInvalidationRect = object->paintInvalidationRectInLocalCoordinates();
paintInvalidationRect.inflate(object->style()->outlineWidth());
if (paintInvalidationState && paintInvalidationState->canMapToContainer(paintInvalidationContainer)) {
// Compute accumulated SVG transform and apply to local paint rect.
AffineTransform transform = paintInvalidationState->svgTransform() * object->localToParentTransform();
paintInvalidationRect = transform.mapRect(paintInvalidationRect);
// FIXME: These are quirks carried forward from the old paint invalidation infrastructure.
LayoutRect rect = enclosingIntRectIfNotEmpty(paintInvalidationRect);
// Offset by SVG root paint offset and apply clipping as needed.
rect.move(paintInvalidationState->paintOffset());
if (paintInvalidationState->isClipped())
rect.intersect(paintInvalidationState->clipRect());
return rect;
}
LayoutRect rect;
const RenderSVGRoot& svgRoot = mapRectToSVGRootForPaintInvalidation(object, paintInvalidationRect, rect);
svgRoot.mapRectToPaintInvalidationBacking(paintInvalidationContainer, rect, paintInvalidationState);
return rect;
}
void RenderBlockFlow::invalidatePaintForOverflow()
{
// FIXME: We could tighten up the left and right invalidation points if we let layoutInlineChildren fill them in based off the particular lines
// it had to lay out. We wouldn't need the hasOverflowClip() hack in that case either.
LayoutUnit paintInvalidationLogicalLeft = logicalLeftVisualOverflow();
LayoutUnit paintInvalidationLogicalRight = logicalRightVisualOverflow();
if (hasOverflowClip()) {
// If we have clipped overflow, we should use layout overflow as well, since visual overflow from lines didn't propagate to our block's overflow.
// Note the old code did this as well but even for overflow:visible. The addition of hasOverflowClip() at least tightens up the hack a bit.
// layoutInlineChildren should be patched to compute the entire paint invalidation rect.
paintInvalidationLogicalLeft = std::min(paintInvalidationLogicalLeft, logicalLeftLayoutOverflow());
paintInvalidationLogicalRight = std::max(paintInvalidationLogicalRight, logicalRightLayoutOverflow());
}
LayoutRect paintInvalidationRect = LayoutRect(paintInvalidationLogicalLeft, m_paintInvalidationLogicalTop, paintInvalidationLogicalRight - paintInvalidationLogicalLeft, m_paintInvalidationLogicalBottom - m_paintInvalidationLogicalTop);
if (hasOverflowClip()) {
// Adjust the paint invalidation rect for scroll offset
paintInvalidationRect.move(-scrolledContentOffset());
// Don't allow this rect to spill out of our overflow box.
paintInvalidationRect.intersect(LayoutRect(LayoutPoint(), size()));
}
// Make sure the rect is still non-empty after intersecting for overflow above
if (!paintInvalidationRect.isEmpty()) {
// Hits in media/event-attributes.html
DisableCompositingQueryAsserts disabler;
invalidatePaintRectangle(paintInvalidationRect); // We need to do a partial paint invalidation of our content.
}
m_paintInvalidationLogicalTop = 0;
m_paintInvalidationLogicalBottom = 0;
}
LayoutRect RenderReplaced::replacedContentRect(const LayoutSize& intrinsicSize) const
{
LayoutRect contentRect = contentBoxRect();
if (intrinsicSize.isEmpty())
return contentRect;
ObjectFit objectFit = style().objectFit();
LayoutRect finalRect = contentRect;
switch (objectFit) {
case ObjectFitContain:
case ObjectFitScaleDown:
case ObjectFitCover:
finalRect.setSize(finalRect.size().fitToAspectRatio(intrinsicSize, objectFit == ObjectFitCover ? AspectRatioFitGrow : AspectRatioFitShrink));
if (objectFit != ObjectFitScaleDown || finalRect.width() <= intrinsicSize.width())
break;
FALLTHROUGH;
case ObjectFitNone:
finalRect.setSize(intrinsicSize);
break;
case ObjectFitFill:
break;
}
LengthPoint objectPosition = style().objectPosition();
LayoutUnit xOffset = minimumValueForLength(objectPosition.x(), contentRect.width() - finalRect.width());
LayoutUnit yOffset = minimumValueForLength(objectPosition.y(), contentRect.height() - finalRect.height());
finalRect.move(xOffset, yOffset);
return finalRect;
}
static LayoutRect rectToAbsoluteCoordinates(LocalFrame* initialFrame, const LayoutRect& initialRect)
{
LayoutRect rect = initialRect;
for (Frame* frame = initialFrame; frame; frame = frame->tree().parent()) {
if (!frame->isLocalFrame())
continue;
// FIXME: Spatial navigation is broken for OOPI.
if (Element* element = frame->deprecatedLocalOwner()) {
do {
rect.move(element->offsetLeft(), element->offsetTop());
} while ((element = element->offsetParent()));
rect.move((-toLocalFrame(frame)->view()->scrollOffset()));
}
}
return rect;
}
BoxClipper::BoxClipper(const LayoutBox& box, const PaintInfo& paintInfo, const LayoutPoint& accumulatedOffset, ContentsClipBehavior contentsClipBehavior)
: m_box(box)
, m_paintInfo(paintInfo)
, m_clipType(DisplayItem::UninitializedType)
{
ASSERT(m_paintInfo.phase != PaintPhaseSelfBlockBackgroundOnly && m_paintInfo.phase != PaintPhaseSelfOutlineOnly);
if (m_paintInfo.phase == PaintPhaseMask)
return;
if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
const auto* objectProperties = m_box.objectPaintProperties();
if (objectProperties && objectProperties->overflowClip()) {
PaintChunkProperties properties(paintInfo.context.getPaintController().currentPaintChunkProperties());
properties.clip = objectProperties->overflowClip();
m_scopedClipProperty.emplace(paintInfo.context.getPaintController(), properties);
}
return;
}
bool isControlClip = m_box.hasControlClip();
bool isOverflowOrContainmentClip = (m_box.hasOverflowClip() && !m_box.layer()->isSelfPaintingLayer())
|| m_box.style()->containsPaint();
if (!isControlClip && !isOverflowOrContainmentClip)
return;
LayoutRect clipRect = isControlClip ? m_box.controlClipRect(accumulatedOffset) : m_box.overflowClipRect(accumulatedOffset);
FloatRoundedRect clipRoundedRect(0, 0, 0, 0);
bool hasBorderRadius = m_box.style()->hasBorderRadius();
if (hasBorderRadius)
clipRoundedRect = m_box.style()->getRoundedInnerBorderFor(LayoutRect(accumulatedOffset, m_box.size()));
// Selection does not affect visual overflow, so this optimization is invalid if selection
// is present.
if (contentsClipBehavior == SkipContentsClipIfPossible && box.getSelectionState() == SelectionNone) {
LayoutRect contentsVisualOverflow = m_box.contentsVisualOverflowRect();
if (contentsVisualOverflow.isEmpty())
return;
LayoutRect conservativeClipRect = clipRect;
if (hasBorderRadius)
conservativeClipRect.intersect(LayoutRect(clipRoundedRect.radiusCenterRect()));
conservativeClipRect.moveBy(-accumulatedOffset);
if (m_box.hasLayer())
conservativeClipRect.move(m_box.scrolledContentOffset());
if (conservativeClipRect.contains(contentsVisualOverflow))
return;
}
if (!m_paintInfo.context.getPaintController().displayItemConstructionIsDisabled()) {
m_clipType = m_paintInfo.displayItemTypeForClipping();
Vector<FloatRoundedRect> roundedRects;
if (hasBorderRadius)
roundedRects.append(clipRoundedRect);
m_paintInfo.context.getPaintController().createAndAppend<ClipDisplayItem>(m_box, m_clipType, pixelSnappedIntRect(clipRect), roundedRects);
}
}
void InlineTextBox::move(const LayoutSize& delta)
{
InlineBox::move(delta);
if (!knownToHaveNoOverflow()) {
LayoutRect logicalOverflowRect = this->logicalOverflowRect();
logicalOverflowRect.move(isHorizontal() ? delta : delta.transposedSize());
setLogicalOverflowRect(logicalOverflowRect);
}
}
LayoutRect BlockPainter::overflowRectForPaintRejection() const
{
LayoutRect overflowRect = m_layoutBlock.visualOverflowRect();
if (!m_layoutBlock.hasOverflowModel() || !m_layoutBlock.usesCompositedScrolling())
return overflowRect;
overflowRect.unite(m_layoutBlock.layoutOverflowRect());
overflowRect.move(-m_layoutBlock.scrolledContentOffset());
return overflowRect;
}
bool BlockPainter::intersectsPaintRect(const PaintInfo& paintInfo, const LayoutPoint& paintOffset) const
{
LayoutRect overflowRect = m_layoutBlock.visualOverflowRect();
if (m_layoutBlock.hasOverflowModel() && m_layoutBlock.usesCompositedScrolling()) {
overflowRect.unite(m_layoutBlock.layoutOverflowRect());
overflowRect.move(-m_layoutBlock.scrolledContentOffset());
}
m_layoutBlock.flipForWritingMode(overflowRect);
overflowRect.moveBy(paintOffset + m_layoutBlock.location());
return paintInfo.cullRect().intersectsCullRect(overflowRect);
}
void LayoutMultiColumnSet::addOverflowFromChildren()
{
LayoutRect overflowRect;
for (const auto& group : m_fragmentainerGroups) {
LayoutRect rect = group.calculateOverflow();
rect.move(group.offsetFromColumnSet());
overflowRect.unite(rect);
}
addLayoutOverflow(overflowRect);
addContentsVisualOverflow(overflowRect);
}
LayoutRect AccessibilityScrollView::elementRect() const
{
if (!m_scrollView)
return LayoutRect();
LayoutRect rect = m_scrollView->frameRect();
float topContentInset = m_scrollView->topContentInset();
// Top content inset pushes the frame down and shrinks it.
rect.move(0, topContentInset);
rect.contract(0, topContentInset);
return rect;
}
void ShadowData::adjustRectForShadow(LayoutRect& rect, int additionalOutlineSize) const
{
int shadowLeft = 0;
int shadowRight = 0;
int shadowTop = 0;
int shadowBottom = 0;
calculateShadowExtent(this, additionalOutlineSize, shadowLeft, shadowRight, shadowTop, shadowBottom);
rect.move(shadowLeft, shadowTop);
rect.setWidth(rect.width() - shadowLeft + shadowRight);
rect.setHeight(rect.height() - shadowTop + shadowBottom);
}
static PassRefPtr<InspectorObject> buildObjectForRegionHighlight(FrameView* mainView, RenderRegion* region)
{
FrameView* containingView = region->frame().view();
if (!containingView)
return nullptr;
RenderBlockFlow* regionContainer = toRenderBlockFlow(region->parent());
LayoutRect borderBox = regionContainer->borderBoxRect();
borderBox.setWidth(borderBox.width() + regionContainer->verticalScrollbarWidth());
borderBox.setHeight(borderBox.height() + regionContainer->horizontalScrollbarHeight());
// Create incoming and outgoing boxes that we use to chain the regions toghether.
const LayoutSize linkBoxSize(10, 10);
const LayoutSize linkBoxMidpoint(linkBoxSize.width() / 2, linkBoxSize.height() / 2);
LayoutRect incomingRectBox = LayoutRect(borderBox.location() - linkBoxMidpoint, linkBoxSize);
LayoutRect outgoingRectBox = LayoutRect(borderBox.location() - linkBoxMidpoint + borderBox.size(), linkBoxSize);
// Move the link boxes slightly inside the region border box.
LayoutUnit maxUsableHeight = std::max(LayoutUnit(), borderBox.height() - linkBoxMidpoint.height());
LayoutUnit linkBoxVerticalOffset = std::min(LayoutUnit::fromPixel(15), maxUsableHeight);
incomingRectBox.move(0, linkBoxVerticalOffset);
outgoingRectBox.move(0, -linkBoxVerticalOffset);
FloatQuad borderRectQuad = regionContainer->localToAbsoluteQuad(FloatRect(borderBox));
FloatQuad incomingRectQuad = regionContainer->localToAbsoluteQuad(FloatRect(incomingRectBox));
FloatQuad outgoingRectQuad = regionContainer->localToAbsoluteQuad(FloatRect(outgoingRectBox));
contentsQuadToPage(mainView, containingView, borderRectQuad);
contentsQuadToPage(mainView, containingView, incomingRectQuad);
contentsQuadToPage(mainView, containingView, outgoingRectQuad);
RefPtr<InspectorObject> regionObject = InspectorObject::create();
regionObject->setArray("borderQuad", buildArrayForQuad(borderRectQuad));
regionObject->setArray("incomingQuad", buildArrayForQuad(incomingRectQuad));
regionObject->setArray("outgoingQuad", buildArrayForQuad(outgoingRectQuad));
return regionObject.release();
}
LayoutRect RenderReplaced::clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const
{
if (style().visibility() != VISIBLE && !enclosingLayer()->hasVisibleContent())
return LayoutRect();
// The selectionRect can project outside of the overflowRect, so take their union
// for repainting to avoid selection painting glitches.
LayoutRect r = unionRect(localSelectionRect(false), visualOverflowRect());
// FIXME: layoutDelta needs to be applied in parts before/after transforms and
// repaint containers. https://bugs.webkit.org/show_bug.cgi?id=23308
r.move(view().layoutDelta());
return computeRectForRepaint(r, repaintContainer);
}
LayoutRect RenderNamedFlowFragment::flowThreadPortionRectForClipping(bool isFirstRegionInRange, bool isLastRegionInRange) const
{
// Elements flowed into a region should not be painted past the region's content box
// if they continue to flow into another region in that direction.
// If they do not continue into another region in that direction, they should be
// painted all the way to the region's border box.
// Regions with overflow:hidden will apply clip at the border box, not the content box.
LayoutRect clippingRect = flowThreadPortionRect();
RenderBlockFlow& container = fragmentContainer();
if (container.style().hasPadding()) {
if (isFirstRegionInRange) {
if (flowThread()->isHorizontalWritingMode()) {
clippingRect.move(0, -container.paddingBefore());
clippingRect.expand(0, container.paddingBefore());
} else {
clippingRect.move(-container.paddingBefore(), 0);
clippingRect.expand(container.paddingBefore(), 0);
}
}
if (isLastRegionInRange) {
if (flowThread()->isHorizontalWritingMode())
clippingRect.expand(0, container.paddingAfter());
else
clippingRect.expand(container.paddingAfter(), 0);
}
if (flowThread()->isHorizontalWritingMode()) {
clippingRect.move(-container.paddingStart(), 0);
clippingRect.expand(container.paddingStart() + container.paddingEnd(), 0);
} else {
clippingRect.move(0, -container.paddingStart());
clippingRect.expand(0, container.paddingStart() + container.paddingEnd());
}
}
return clippingRect;
}
LayoutRect FilterEffectRenderer::computeSourceImageRectForDirtyRect(const LayoutRect& filterBoxRect, const LayoutRect& dirtyRect)
{
// The result of this function is the area in the "filterBoxRect" that needs to be repainted, so that we fully cover the "dirtyRect".
LayoutRect rectForRepaint = dirtyRect;
if (hasFilterThatMovesPixels()) {
// Note that the outsets are reversed here because we are going backwards -> we have the dirty rect and
// need to find out what is the rectangle that might influence the result inside that dirty rect.
rectForRepaint.move(-m_outsets.right(), -m_outsets.bottom());
rectForRepaint.expand(m_outsets.left() + m_outsets.right(), m_outsets.top() + m_outsets.bottom());
}
rectForRepaint.intersect(filterBoxRect);
return rectForRepaint;
}
