void FieldsetPainter::paintMask(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (m_renderFieldset.style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
LayoutRect paintRect = LayoutRect(paintOffset, m_renderFieldset.size());
RenderBox* legend = m_renderFieldset.findLegend();
if (!legend)
return BoxPainter(m_renderFieldset).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 (m_renderFieldset.style()->isHorizontalWritingMode()) {
LayoutUnit yOff = (legend->location().y() > 0) ? LayoutUnit() : (legend->size().height() - m_renderFieldset.borderTop()) / 2;
paintRect.expand(0, -yOff);
paintRect.move(0, yOff);
} else {
LayoutUnit xOff = (legend->location().x() > 0) ? LayoutUnit() : (legend->size().width() - m_renderFieldset.borderLeft()) / 2;
paintRect.expand(-xOff, 0);
paintRect.move(xOff, 0);
}
BoxPainter(m_renderFieldset).paintMaskImages(paintInfo, paintRect);
}
void FieldsetPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(&m_renderFieldset))
return;
LayoutRect paintRect(paintOffset, m_renderFieldset.size());
RenderBox* legend = m_renderFieldset.findLegend();
if (!legend)
return BoxPainter(m_renderFieldset).paintBoxDecorationBackground(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 (m_renderFieldset.style()->isHorizontalWritingMode()) {
LayoutUnit yOff = (legend->location().y() > 0) ? LayoutUnit() : (legend->size().height() - m_renderFieldset.borderTop()) / 2;
paintRect.setHeight(paintRect.height() - yOff);
paintRect.setY(paintRect.y() + yOff);
} else {
LayoutUnit xOff = (legend->location().x() > 0) ? LayoutUnit() : (legend->size().width() - m_renderFieldset.borderLeft()) / 2;
paintRect.setWidth(paintRect.width() - xOff);
paintRect.setX(paintRect.x() + xOff);
}
RenderDrawingRecorder recorder(paintInfo.context, m_renderFieldset, paintInfo.phase, pixelSnappedIntRect(paintOffset, paintRect.size()));
if (recorder.canUseCachedDrawing())
return;
BoxDecorationData boxDecorationData(m_renderFieldset, paintInfo.context);
if (boxDecorationData.bleedAvoidance() == BackgroundBleedNone)
BoxPainter::paintBoxShadow(paintInfo, paintRect, m_renderFieldset.style(), Normal);
BoxPainter(m_renderFieldset).paintFillLayers(paintInfo, boxDecorationData.backgroundColor, m_renderFieldset.style()->backgroundLayers(), paintRect);
BoxPainter::paintBoxShadow(paintInfo, paintRect, m_renderFieldset.style(), Inset);
if (!boxDecorationData.hasBorder)
return;
// Create a clipping region around the legend and paint the border as normal
GraphicsContext* graphicsContext = paintInfo.context;
GraphicsContextStateSaver stateSaver(*graphicsContext);
// 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_renderFieldset.style()->isHorizontalWritingMode()) {
LayoutUnit clipTop = paintRect.y();
LayoutUnit clipHeight = max(static_cast<LayoutUnit>(m_renderFieldset.style()->borderTopWidth()), legend->size().height() - ((legend->size().height() - m_renderFieldset.borderTop()) / 2));
graphicsContext->clipOut(pixelSnappedIntRect(paintRect.x() + legend->location().x(), clipTop, legend->size().width(), clipHeight));
} else {
LayoutUnit clipLeft = paintRect.x();
LayoutUnit clipWidth = max(static_cast<LayoutUnit>(m_renderFieldset.style()->borderLeftWidth()), legend->size().width());
graphicsContext->clipOut(pixelSnappedIntRect(clipLeft, paintRect.y() + legend->location().y(), clipWidth, legend->size().height()));
}
BoxPainter::paintBorder(m_renderFieldset, paintInfo, paintRect, m_renderFieldset.style());
}
void PartPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!m_layoutPart.shouldPaint(paintInfo, paintOffset))
return;
LayoutPoint adjustedPaintOffset = paintOffset + m_layoutPart.location();
LayoutRect borderRect(adjustedPaintOffset, m_layoutPart.size());
if (m_layoutPart.hasBoxDecorationBackground() && (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection))
BoxPainter(m_layoutPart).paintBoxDecorationBackground(paintInfo, adjustedPaintOffset);
if (paintInfo.phase == PaintPhaseMask) {
BoxPainter(m_layoutPart).paintMask(paintInfo, adjustedPaintOffset);
return;
}
if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && m_layoutPart.style()->hasOutline())
ObjectPainter(m_layoutPart).paintOutline(paintInfo, adjustedPaintOffset);
if (paintInfo.phase != PaintPhaseForeground)
return;
{
Optional<RoundedInnerRectClipper> clipper;
if (m_layoutPart.style()->hasBorderRadius()) {
if (borderRect.isEmpty())
return;
FloatRoundedRect roundedInnerRect = m_layoutPart.style()->getRoundedInnerBorderFor(borderRect,
LayoutRectOutsets(
-(m_layoutPart.paddingTop() + m_layoutPart.borderTop()),
-(m_layoutPart.paddingRight() + m_layoutPart.borderRight()),
-(m_layoutPart.paddingBottom() + m_layoutPart.borderBottom()),
-(m_layoutPart.paddingLeft() + m_layoutPart.borderLeft())),
true, true);
clipper.emplace(m_layoutPart, paintInfo, borderRect, roundedInnerRect, ApplyToDisplayList);
}
if (m_layoutPart.widget())
m_layoutPart.paintContents(paintInfo, paintOffset);
}
// Paint a partially transparent wash over selected widgets.
if (isSelected() && !paintInfo.isPrinting() && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutPart, paintInfo.phase, adjustedPaintOffset)) {
LayoutRect rect = m_layoutPart.localSelectionRect();
rect.moveBy(adjustedPaintOffset);
IntRect selectionRect = pixelSnappedIntRect(rect);
LayoutObjectDrawingRecorder drawingRecorder(*paintInfo.context, m_layoutPart, paintInfo.phase, selectionRect, adjustedPaintOffset);
paintInfo.context->fillRect(selectionRect, m_layoutPart.selectionBackgroundColor());
}
if (m_layoutPart.canResize())
ScrollableAreaPainter(*m_layoutPart.layer()->scrollableArea()).paintResizer(paintInfo.context, roundedIntPoint(adjustedPaintOffset), paintInfo.cullRect());
}
void TableCellPainter::paintBackgroundsBehindCell(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutObject* backgroundObject)
{
if (!paintInfo.shouldPaintWithinRoot(&m_layoutTableCell))
return;
if (!backgroundObject)
return;
if (m_layoutTableCell.style()->visibility() != VISIBLE)
return;
LayoutTable* tableElt = m_layoutTableCell.table();
if (!tableElt->collapseBorders() && m_layoutTableCell.style()->emptyCells() == HIDE && !m_layoutTableCell.firstChild())
return;
Color c = backgroundObject->resolveColor(CSSPropertyBackgroundColor);
const FillLayer& bgLayer = backgroundObject->style()->backgroundLayers();
LayoutRect paintRect = paintBounds(paintOffset, backgroundObject != &m_layoutTableCell ? AddOffsetFromParent : DoNotAddOffsetFromParent);
if (bgLayer.hasImage() || c.alpha()) {
// We have to clip here because the background would paint
// on top of the borders otherwise. This only matters for cells and rows.
bool shouldClip = backgroundObject->hasLayer() && (backgroundObject == &m_layoutTableCell || backgroundObject == m_layoutTableCell.parent()) && tableElt->collapseBorders();
GraphicsContextStateSaver stateSaver(*paintInfo.context, shouldClip);
if (shouldClip) {
LayoutRect clipRect(paintRect.location(), m_layoutTableCell.size());
clipRect.expand(m_layoutTableCell.borderInsets());
paintInfo.context->clip(clipRect);
}
BoxPainter(m_layoutTableCell).paintFillLayers(paintInfo, c, bgLayer, paintRect, BackgroundBleedNone, SkXfermode::kSrcOver_Mode, backgroundObject);
}
}
void TablePainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!m_layoutTable.hasBoxDecorationBackground() || m_layoutTable.style()->visibility() != VISIBLE)
return;
LayoutRect rect(paintOffset, m_layoutTable.size());
m_layoutTable.subtractCaptionRect(rect);
BoxPainter(m_layoutTable).paintBoxDecorationBackgroundWithRect(paintInfo, paintOffset, rect);
}
void TablePainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(&m_layoutTable))
return;
LayoutRect rect(paintOffset, m_layoutTable.size());
m_layoutTable.subtractCaptionRect(rect);
BoxPainter(m_layoutTable).paintBoxDecorationBackgroundWithRect(paintInfo, paintOffset, rect);
}
void TableCellPainter::paintMask(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (m_layoutTableCell.style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
LayoutTable* tableElt = m_layoutTableCell.table();
if (!tableElt->collapseBorders() && m_layoutTableCell.style()->emptyCells() == HIDE && !m_layoutTableCell.firstChild())
return;
BoxPainter(m_layoutTableCell).paintMaskImages(paintInfo, paintBounds(paintOffset, DoNotAddOffsetFromParent));
}
void TablePainter::paintMask(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (m_layoutTable.style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutTable, paintInfo.phase))
return;
LayoutRect rect(paintOffset, m_layoutTable.size());
m_layoutTable.subtractCaptionRect(rect);
LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutTable, paintInfo.phase, pixelSnappedIntRect(rect));
BoxPainter(m_layoutTable).paintMaskImages(paintInfo, rect);
}
void TableCellPainter::paintMask(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (m_layoutTableCell.style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
return;
LayoutTable* tableElt = m_layoutTableCell.table();
if (!tableElt->collapseBorders() && m_layoutTableCell.style()->emptyCells() == EmptyCellsHide && !m_layoutTableCell.firstChild())
return;
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutTableCell, paintInfo.phase))
return;
LayoutRect paintRect = paintBounds(paintOffset, DoNotAddOffsetFromParent);
LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutTableCell, paintInfo.phase, paintRect);
BoxPainter(m_layoutTableCell).paintMaskImages(paintInfo, paintRect);
}
void SVGRootPainter::paintReplaced(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) {
// An empty viewport disables rendering.
if (pixelSnappedSize(paintOffset).isEmpty())
return;
// SVG outlines are painted during PaintPhaseForeground.
if (shouldPaintSelfOutline(paintInfo.phase))
return;
// An empty viewBox also disables rendering.
// (http://www.w3.org/TR/SVG/coords.html#ViewBoxAttribute)
SVGSVGElement* svg = toSVGSVGElement(m_layoutSVGRoot.node());
DCHECK(svg);
if (svg->hasEmptyViewBox())
return;
// Apply initial viewport clip.
Optional<BoxClipper> boxClipper;
if (m_layoutSVGRoot.shouldApplyViewportClip()) {
// TODO(pdr): Clip the paint info cull rect here.
boxClipper.emplace(m_layoutSVGRoot, paintInfo, paintOffset,
ForceContentsClip);
}
PaintInfo paintInfoBeforeFiltering(paintInfo);
AffineTransform transformToBorderBox =
transformToPixelSnappedBorderBox(paintOffset);
paintInfoBeforeFiltering.updateCullRect(transformToBorderBox);
SVGTransformContext transformContext(paintInfoBeforeFiltering.context,
m_layoutSVGRoot, transformToBorderBox);
SVGPaintContext paintContext(m_layoutSVGRoot, paintInfoBeforeFiltering);
if (paintContext.paintInfo().phase == PaintPhaseForeground &&
!paintContext.applyClipMaskAndFilterIfNecessary())
return;
BoxPainter(m_layoutSVGRoot).paint(paintContext.paintInfo(), LayoutPoint());
PaintTiming& timing =
PaintTiming::from(m_layoutSVGRoot.node()->document().topDocument());
timing.markFirstContentfulPaint();
}
void TableCellPainter::paintBackgroundsBehindCell(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const LayoutObject* backgroundObject, DisplayItem::Type type)
{
if (!paintInfo.shouldPaintWithinRoot(&m_layoutTableCell))
return;
if (!backgroundObject)
return;
if (m_layoutTableCell.style()->visibility() != VISIBLE)
return;
LayoutTable* tableElt = m_layoutTableCell.table();
if (!tableElt->collapseBorders() && m_layoutTableCell.style()->emptyCells() == HIDE && !m_layoutTableCell.firstChild())
return;
LayoutRect paintRect = paintBounds(paintOffset, backgroundObject != &m_layoutTableCell ? AddOffsetFromParent : DoNotAddOffsetFromParent);
// Record drawing only if the cell is painting background from containers.
Optional<LayoutObjectDrawingRecorder> recorder;
if (backgroundObject != &m_layoutTableCell) {
LayoutPoint adjustedPaintOffset = paintRect.location();
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutTableCell, type, adjustedPaintOffset))
return;
recorder.emplace(*paintInfo.context, m_layoutTableCell, type, paintRect, adjustedPaintOffset);
} else {
ASSERT(paintRect.location() == paintOffset);
}
Color c = backgroundObject->resolveColor(CSSPropertyBackgroundColor);
const FillLayer& bgLayer = backgroundObject->style()->backgroundLayers();
if (bgLayer.hasImage() || c.alpha()) {
// We have to clip here because the background would paint
// on top of the borders otherwise. This only matters for cells and rows.
bool shouldClip = backgroundObject->hasLayer() && (backgroundObject == &m_layoutTableCell || backgroundObject == m_layoutTableCell.parent()) && tableElt->collapseBorders();
GraphicsContextStateSaver stateSaver(*paintInfo.context, shouldClip);
if (shouldClip) {
LayoutRect clipRect(paintRect.location(), m_layoutTableCell.size());
clipRect.expand(m_layoutTableCell.borderInsets());
paintInfo.context->clip(pixelSnappedIntRect(clipRect));
}
BoxPainter(m_layoutTableCell).paintFillLayers(paintInfo, c, bgLayer, paintRect, BackgroundBleedNone, SkXfermode::kSrcOver_Mode, backgroundObject);
}
}
void TableRowPainter::paintBoxShadow(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset,
ShadowStyle shadowStyle) {
DCHECK(shouldPaintSelfBlockBackground(paintInfo.phase));
if (!m_layoutTableRow.styleRef().boxShadow())
return;
DisplayItem::Type type = shadowStyle == Normal
? DisplayItem::kTableRowBoxShadowNormal
: DisplayItem::kTableRowBoxShadowInset;
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
paintInfo.context, m_layoutTableRow, type))
return;
LayoutPoint adjustedPaintOffset = paintOffset + m_layoutTableRow.location();
LayoutRect bounds =
BoxPainter(m_layoutTableRow)
.boundsForDrawingRecorder(paintInfo, adjustedPaintOffset);
LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutTableRow,
type, bounds);
BoxPainter::paintBoxShadow(
paintInfo, LayoutRect(adjustedPaintOffset, m_layoutTableRow.size()),
m_layoutTableRow.styleRef(), shadowStyle);
}
void ViewPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo)
{
if (paintInfo.skipRootBackground())
return;
// This function overrides background painting for the LayoutView.
// View background painting is special in the following ways:
// 1. The view paints background for the root element, the background positioning respects
// the positioning and transformation of the root element.
// 2. CSS background-clip is ignored, the background layers always expand to cover the whole
// canvas. None of the stacking context effects (except transformation) on the root element
// affects the background.
// 3. The main frame is also responsible for painting the user-agent-defined base background
// color. Conceptually it should be painted by the embedder but painting it here allows
// culling and pre-blending optimization when possible.
GraphicsContext& context = paintInfo.context;
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, m_layoutView, DisplayItem::DocumentBackground, LayoutPoint()))
return;
// The background fill rect is the size of the LayoutView's main GraphicsLayer.
IntRect backgroundRect = pixelSnappedIntRect(m_layoutView.layer()->boundingBoxForCompositing());
const Document& document = m_layoutView.document();
const FrameView& frameView = *m_layoutView.frameView();
bool isMainFrame = !document.ownerElement();
bool paintsBaseBackground = isMainFrame && !frameView.isTransparent();
bool shouldClearCanvas = paintsBaseBackground && (document.settings() && document.settings()->shouldClearDocumentBackground());
Color baseBackgroundColor = paintsBaseBackground ? frameView.baseBackgroundColor() : Color();
Color rootBackgroundColor = m_layoutView.style()->visitedDependentColor(CSSPropertyBackgroundColor);
const LayoutObject* rootObject = document.documentElement() ? document.documentElement()->layoutObject() : nullptr;
LayoutObjectDrawingRecorder recorder(context, m_layoutView, DisplayItem::DocumentBackground, backgroundRect, LayoutPoint());
// Special handling for print economy mode.
bool forceBackgroundToWhite = BoxPainter::shouldForceWhiteBackgroundForPrintEconomy(m_layoutView.styleRef(), document);
if (forceBackgroundToWhite) {
// If for any reason the view background is not transparent, paint white instead, otherwise keep transparent as is.
if (paintsBaseBackground || rootBackgroundColor.alpha() || m_layoutView.style()->backgroundLayers().image())
context.fillRect(backgroundRect, Color::white, SkXfermode::kSrc_Mode);
return;
}
// Compute the enclosing rect of the view, in root element space.
//
// For background colors we can simply paint the document rect in the default space.
// However for background image, the root element transform applies. The strategy is to apply
// root element transform on the context and issue draw commands in the local space, therefore
// we need to apply inverse transform on the document rect to get to the root element space.
bool backgroundRenderable = true;
TransformationMatrix transform;
IntRect paintRect = backgroundRect;
if (!rootObject || !rootObject->isBox()) {
backgroundRenderable = false;
} else if (rootObject->hasLayer()) {
const PaintLayer& rootLayer = *toLayoutBoxModelObject(rootObject)->layer();
LayoutPoint offset;
rootLayer.convertToLayerCoords(nullptr, offset);
transform.translate(offset.x(), offset.y());
transform.multiply(rootLayer.renderableTransform(paintInfo.globalPaintFlags()));
if (!transform.isInvertible()) {
backgroundRenderable = false;
} else {
bool isClamped;
paintRect = transform.inverse().projectQuad(FloatQuad(backgroundRect), &isClamped).enclosingBoundingBox();
backgroundRenderable = !isClamped;
}
}
if (!backgroundRenderable) {
if (baseBackgroundColor.alpha())
context.fillRect(backgroundRect, baseBackgroundColor, shouldClearCanvas ? SkXfermode::kSrc_Mode : SkXfermode::kSrcOver_Mode);
else if (shouldClearCanvas)
context.fillRect(backgroundRect, Color(), SkXfermode::kClear_Mode);
return;
}
BoxPainter::FillLayerOcclusionOutputList reversedPaintList;
bool shouldDrawBackgroundInSeparateBuffer = BoxPainter(m_layoutView).calculateFillLayerOcclusionCulling(reversedPaintList, m_layoutView.style()->backgroundLayers());
ASSERT(reversedPaintList.size());
// If the root background color is opaque, isolation group can be skipped because the canvas
// will be cleared by root background color.
if (!rootBackgroundColor.hasAlpha())
shouldDrawBackgroundInSeparateBuffer = false;
// We are going to clear the canvas with transparent pixels, isolation group can be skipped.
if (!baseBackgroundColor.alpha() && shouldClearCanvas)
shouldDrawBackgroundInSeparateBuffer = false;
if (shouldDrawBackgroundInSeparateBuffer) {
if (baseBackgroundColor.alpha())
context.fillRect(backgroundRect, baseBackgroundColor, shouldClearCanvas ? SkXfermode::kSrc_Mode : SkXfermode::kSrcOver_Mode);
context.beginLayer();
}
Color combinedBackgroundColor = shouldDrawBackgroundInSeparateBuffer ? rootBackgroundColor : baseBackgroundColor.blend(rootBackgroundColor);
if (combinedBackgroundColor.alpha()) {
if (!combinedBackgroundColor.hasAlpha() && RuntimeEnabledFeatures::slimmingPaintV2Enabled())
recorder.setKnownToBeOpaque();
context.fillRect(backgroundRect, combinedBackgroundColor, (shouldDrawBackgroundInSeparateBuffer || shouldClearCanvas) ? SkXfermode::kSrc_Mode : SkXfermode::kSrcOver_Mode);
} else if (shouldClearCanvas && !shouldDrawBackgroundInSeparateBuffer) {
context.fillRect(backgroundRect, Color(), SkXfermode::kClear_Mode);
}
for (auto it = reversedPaintList.rbegin(); it != reversedPaintList.rend(); ++it) {
ASSERT((*it)->clip() == BorderFillBox);
bool shouldPaintInViewportSpace = (*it)->attachment() == FixedBackgroundAttachment;
if (shouldPaintInViewportSpace) {
BoxPainter::paintFillLayer(m_layoutView, paintInfo, Color(), **it, LayoutRect(LayoutRect::infiniteIntRect()), BackgroundBleedNone);
} else {
context.save();
// TODO(trchen): We should be able to handle 3D-transformed root
// background with slimming paint by using transform display items.
context.concatCTM(transform.toAffineTransform());
BoxPainter::paintFillLayer(m_layoutView, paintInfo, Color(), **it, LayoutRect(paintRect), BackgroundBleedNone);
context.restore();
}
}
if (shouldDrawBackgroundInSeparateBuffer)
context.endLayer();
}
void SVGRootPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
// An empty viewport disables rendering.
if (m_layoutSVGRoot.pixelSnappedBorderBoxRect().isEmpty())
return;
// SVG outlines are painted during PaintPhaseForeground.
if (shouldPaintSelfOutline(paintInfo.phase))
return;
// An empty viewBox also disables rendering.
// (http://www.w3.org/TR/SVG/coords.html#ViewBoxAttribute)
SVGSVGElement* svg = toSVGSVGElement(m_layoutSVGRoot.node());
ASSERT(svg);
if (svg->hasEmptyViewBox())
return;
// Don't paint if we don't have kids, except if we have filters we should paint those.
if (!m_layoutSVGRoot.firstChild()) {
SVGResources* resources = SVGResourcesCache::cachedResourcesForLayoutObject(&m_layoutSVGRoot);
if (!resources || !resources->filter())
return;
}
PaintInfo paintInfoBeforeFiltering(paintInfo);
// At the HTML->SVG boundary, SVGRoot will have a paint offset transform
// paint property but may not have a PaintLayer, so we need to update the
// paint properties here since they will not be updated by PaintLayer
// (See: PaintPropertyTreeBuilder::createPaintOffsetTranslationIfNeeded).
Optional<ScopedPaintChunkProperties> paintOffsetTranslationPropertyScope;
if (RuntimeEnabledFeatures::slimmingPaintV2Enabled() && !m_layoutSVGRoot.hasLayer()) {
const auto* objectProperties = m_layoutSVGRoot.objectPaintProperties();
if (objectProperties && objectProperties->paintOffsetTranslation()) {
auto& paintController = paintInfoBeforeFiltering.context.paintController();
PaintChunkProperties properties(paintController.currentPaintChunkProperties());
properties.transform = objectProperties->paintOffsetTranslation();
paintOffsetTranslationPropertyScope.emplace(paintController, properties);
}
}
// Apply initial viewport clip.
Optional<ClipRecorder> clipRecorder;
if (m_layoutSVGRoot.shouldApplyViewportClip()) {
// TODO(pdr): Clip the paint info cull rect here.
clipRecorder.emplace(paintInfoBeforeFiltering.context, m_layoutSVGRoot, paintInfoBeforeFiltering.displayItemTypeForClipping(), LayoutRect(pixelSnappedIntRect(m_layoutSVGRoot.overflowClipRect(paintOffset))));
}
// Convert from container offsets (html layoutObjects) to a relative transform (svg layoutObjects).
// Transform from our paint container's coordinate system to our local coords.
IntPoint adjustedPaintOffset = roundedIntPoint(paintOffset);
AffineTransform paintOffsetToBorderBox = AffineTransform::translation(adjustedPaintOffset.x(), adjustedPaintOffset.y()) * m_layoutSVGRoot.localToBorderBoxTransform();
paintInfoBeforeFiltering.updateCullRect(paintOffsetToBorderBox);
TransformRecorder transformRecorder(paintInfoBeforeFiltering.context, m_layoutSVGRoot, paintOffsetToBorderBox);
SVGPaintContext paintContext(m_layoutSVGRoot, paintInfoBeforeFiltering);
if (paintContext.paintInfo().phase == PaintPhaseForeground && !paintContext.applyClipMaskAndFilterIfNecessary())
return;
BoxPainter(m_layoutSVGRoot).paint(paintContext.paintInfo(), LayoutPoint());
PaintTiming& timing = PaintTiming::from(m_layoutSVGRoot.node()->document().topDocument());
timing.markFirstContentfulPaint();
}
void ReplacedPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!m_layoutReplaced.shouldPaint(paintInfo, paintOffset))
return;
LayoutPoint adjustedPaintOffset = paintOffset + m_layoutReplaced.location();
LayoutRect borderRect(adjustedPaintOffset, m_layoutReplaced.size());
if (m_layoutReplaced.hasBoxDecorationBackground() && (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection))
m_layoutReplaced.paintBoxDecorationBackground(paintInfo, adjustedPaintOffset);
if (paintInfo.phase == PaintPhaseMask) {
m_layoutReplaced.paintMask(paintInfo, adjustedPaintOffset);
return;
}
if (paintInfo.phase == PaintPhaseClippingMask && (!m_layoutReplaced.hasLayer() || !m_layoutReplaced.layer()->hasCompositedClippingMask()))
return;
if (paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) {
if (m_layoutReplaced.styleRef().outlineWidth())
ObjectPainter(m_layoutReplaced).paintOutline(paintInfo, adjustedPaintOffset);
return;
}
if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection && !m_layoutReplaced.canHaveChildren() && paintInfo.phase != PaintPhaseClippingMask)
return;
if (!paintInfo.shouldPaintWithinRoot(&m_layoutReplaced))
return;
if (paintInfo.phase == PaintPhaseSelection)
if (m_layoutReplaced.selectionState() == SelectionNone)
return;
{
Optional<RoundedInnerRectClipper> clipper;
bool completelyClippedOut = false;
if (m_layoutReplaced.style()->hasBorderRadius()) {
if (borderRect.isEmpty()) {
completelyClippedOut = true;
} else if (shouldApplyViewportClip(m_layoutReplaced)) {
// Push a clip if we have a border radius, since we want to round the foreground content that gets painted.
FloatRoundedRect roundedInnerRect = m_layoutReplaced.style()->getRoundedInnerBorderFor(borderRect,
LayoutRectOutsets(
-(m_layoutReplaced.paddingTop() + m_layoutReplaced.borderTop()),
-(m_layoutReplaced.paddingRight() + m_layoutReplaced.borderRight()),
-(m_layoutReplaced.paddingBottom() + m_layoutReplaced.borderBottom()),
-(m_layoutReplaced.paddingLeft() + m_layoutReplaced.borderLeft())),
true, true);
clipper.emplace(m_layoutReplaced, paintInfo, borderRect, roundedInnerRect, ApplyToDisplayList);
}
}
if (!completelyClippedOut) {
if (paintInfo.phase == PaintPhaseClippingMask) {
BoxPainter(m_layoutReplaced).paintClippingMask(paintInfo, adjustedPaintOffset);
} else {
m_layoutReplaced.paintReplaced(paintInfo, adjustedPaintOffset);
}
}
}
// The selection tint never gets clipped by border-radius rounding, since we want it to run right up to the edges of
// surrounding content.
bool drawSelectionTint = paintInfo.phase == PaintPhaseForeground && m_layoutReplaced.selectionState() != SelectionNone && !paintInfo.isPrinting();
if (drawSelectionTint && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutReplaced, DisplayItem::SelectionTint, adjustedPaintOffset)) {
LayoutRect selectionPaintingRect = m_layoutReplaced.localSelectionRect();
selectionPaintingRect.moveBy(adjustedPaintOffset);
IntRect selectionPaintingIntRect = pixelSnappedIntRect(selectionPaintingRect);
LayoutObjectDrawingRecorder drawingRecorder(paintInfo.context, m_layoutReplaced, DisplayItem::SelectionTint, selectionPaintingIntRect, adjustedPaintOffset);
paintInfo.context.fillRect(selectionPaintingIntRect, m_layoutReplaced.selectionBackgroundColor());
}
}
void BlockPainter::paintObject(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (RuntimeEnabledFeatures::slimmingPaintOffsetCachingEnabled() && m_layoutBlock.childrenInline() && !paintInfo.context.paintController().skippingCache()) {
if (m_layoutBlock.paintOffsetChanged(paintOffset)) {
LineBoxListPainter(m_layoutBlock.lineBoxes()).invalidateLineBoxPaintOffsets(paintInfo);
paintInfo.context.paintController().invalidatePaintOffset(m_layoutBlock);
}
// Set previousPaintOffset here in case that m_layoutBlock paints nothing and no
// LayoutObjectDrawingRecorder updates its previousPaintOffset.
// TODO(wangxianzhu): Integrate paint offset checking into new paint invalidation.
m_layoutBlock.mutableForPainting().setPreviousPaintOffset(paintOffset);
}
const PaintPhase paintPhase = paintInfo.phase;
if ((paintPhase == PaintPhaseSelfBlockBackground || paintPhase == PaintPhaseBlockBackground)
&& m_layoutBlock.style()->visibility() == VISIBLE
&& m_layoutBlock.hasBoxDecorationBackground())
m_layoutBlock.paintBoxDecorationBackground(paintInfo, paintOffset);
if (paintPhase == PaintPhaseMask && m_layoutBlock.style()->visibility() == VISIBLE) {
m_layoutBlock.paintMask(paintInfo, paintOffset);
return;
}
if (paintPhase == PaintPhaseClippingMask && m_layoutBlock.style()->visibility() == VISIBLE) {
BoxPainter(m_layoutBlock).paintClippingMask(paintInfo, paintOffset);
return;
}
// FIXME: When Skia supports annotation rect covering (https://code.google.com/p/skia/issues/detail?id=3872),
// this rect may be covered by foreground and descendant drawings. Then we may need a dedicated paint phase.
if (paintPhase == PaintPhaseForeground && paintInfo.isPrinting())
ObjectPainter(m_layoutBlock).addPDFURLRectIfNeeded(paintInfo, paintOffset);
{
Optional<ScrollRecorder> scrollRecorder;
Optional<PaintInfo> scrolledPaintInfo;
if (m_layoutBlock.hasOverflowClip()) {
IntSize scrollOffset = m_layoutBlock.scrolledContentOffset();
if (m_layoutBlock.layer()->scrollsOverflow() || !scrollOffset.isZero()) {
scrollRecorder.emplace(paintInfo.context, m_layoutBlock, paintPhase, scrollOffset);
scrolledPaintInfo.emplace(paintInfo);
AffineTransform transform;
transform.translate(-scrollOffset.width(), -scrollOffset.height());
scrolledPaintInfo->updateCullRect(transform);
}
}
// We're done. We don't bother painting any children.
if (paintPhase == PaintPhaseSelfBlockBackground || paintInfo.paintRootBackgroundOnly())
return;
const PaintInfo& contentsPaintInfo = scrolledPaintInfo ? *scrolledPaintInfo : paintInfo;
if (paintPhase != PaintPhaseSelfOutline)
paintContents(contentsPaintInfo, paintOffset);
if (paintPhase == PaintPhaseForeground && !paintInfo.isPrinting())
m_layoutBlock.paintSelection(contentsPaintInfo, paintOffset); // Fill in gaps in selection on lines and between blocks.
if (paintPhase == PaintPhaseFloat || paintPhase == PaintPhaseSelection || paintPhase == PaintPhaseTextClip)
m_layoutBlock.paintFloats(contentsPaintInfo, paintOffset);
}
if ((paintPhase == PaintPhaseOutline || paintPhase == PaintPhaseSelfOutline) && m_layoutBlock.style()->hasOutline() && m_layoutBlock.style()->visibility() == VISIBLE)
ObjectPainter(m_layoutBlock).paintOutline(paintInfo, paintOffset);
// If the caret's node's layout object's containing block is this block, and the paint action is PaintPhaseForeground,
// then paint the caret.
if (paintPhase == PaintPhaseForeground && m_layoutBlock.hasCaret() && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutBlock, DisplayItem::Caret, paintOffset)) {
LayoutRect bounds = m_layoutBlock.visualOverflowRect();
bounds.moveBy(paintOffset);
LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutBlock, DisplayItem::Caret, bounds, paintOffset);
paintCarets(paintInfo, paintOffset);
}
}
void PartPainter::paint(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) {
LayoutPoint adjustedPaintOffset = paintOffset + m_layoutPart.location();
if (!ReplacedPainter(m_layoutPart)
.shouldPaint(paintInfo, adjustedPaintOffset))
return;
LayoutRect borderRect(adjustedPaintOffset, m_layoutPart.size());
if (m_layoutPart.hasBoxDecorationBackground() &&
(paintInfo.phase == PaintPhaseForeground ||
paintInfo.phase == PaintPhaseSelection))
BoxPainter(m_layoutPart)
.paintBoxDecorationBackground(paintInfo, adjustedPaintOffset);
if (paintInfo.phase == PaintPhaseMask) {
BoxPainter(m_layoutPart).paintMask(paintInfo, adjustedPaintOffset);
return;
}
if (shouldPaintSelfOutline(paintInfo.phase))
ObjectPainter(m_layoutPart).paintOutline(paintInfo, adjustedPaintOffset);
if (paintInfo.phase != PaintPhaseForeground)
return;
if (m_layoutPart.widget()) {
// TODO(schenney) crbug.com/93805 Speculative release assert to verify that
// the crashes we see in widget painting are due to a destroyed LayoutPart
// object.
CHECK(m_layoutPart.node());
Optional<RoundedInnerRectClipper> clipper;
if (m_layoutPart.style()->hasBorderRadius()) {
if (borderRect.isEmpty())
return;
FloatRoundedRect roundedInnerRect =
m_layoutPart.style()->getRoundedInnerBorderFor(
borderRect,
LayoutRectOutsets(
-(m_layoutPart.paddingTop() + m_layoutPart.borderTop()),
-(m_layoutPart.paddingRight() + m_layoutPart.borderRight()),
-(m_layoutPart.paddingBottom() + m_layoutPart.borderBottom()),
-(m_layoutPart.paddingLeft() + m_layoutPart.borderLeft())),
true, true);
clipper.emplace(m_layoutPart, paintInfo, borderRect, roundedInnerRect,
ApplyToDisplayList);
}
m_layoutPart.paintContents(paintInfo, paintOffset);
}
// Paint a partially transparent wash over selected widgets.
if (isSelected() && !paintInfo.isPrinting() &&
!LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
paintInfo.context, m_layoutPart, paintInfo.phase)) {
LayoutRect rect = m_layoutPart.localSelectionRect();
rect.moveBy(adjustedPaintOffset);
IntRect selectionRect = pixelSnappedIntRect(rect);
LayoutObjectDrawingRecorder drawingRecorder(paintInfo.context, m_layoutPart,
paintInfo.phase, selectionRect);
paintInfo.context.fillRect(selectionRect,
m_layoutPart.selectionBackgroundColor());
}
if (m_layoutPart.canResize())
ScrollableAreaPainter(*m_layoutPart.layer()->getScrollableArea())
.paintResizer(paintInfo.context, roundedIntPoint(adjustedPaintOffset),
paintInfo.cullRect());
}
void BlockPainter::paintObject(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
const PaintPhase paintPhase = paintInfo.phase;
if ((paintPhase == PaintPhaseBlockBackground || paintPhase == PaintPhaseChildBlockBackground)
&& m_layoutBlock.style()->visibility() == VISIBLE
&& m_layoutBlock.hasBoxDecorationBackground())
m_layoutBlock.paintBoxDecorationBackground(paintInfo, paintOffset);
if (paintPhase == PaintPhaseMask && m_layoutBlock.style()->visibility() == VISIBLE) {
m_layoutBlock.paintMask(paintInfo, paintOffset);
return;
}
if (paintPhase == PaintPhaseClippingMask && m_layoutBlock.style()->visibility() == VISIBLE) {
BoxPainter(m_layoutBlock).paintClippingMask(paintInfo, paintOffset);
return;
}
// FIXME: When Skia supports annotation rect covering (https://code.google.com/p/skia/issues/detail?id=3872),
// this rect may be covered by foreground and descendant drawings. Then we may need a dedicated paint phase.
if (paintPhase == PaintPhaseForeground && paintInfo.isPrinting())
ObjectPainter(m_layoutBlock).addPDFURLRectIfNeeded(paintInfo, paintOffset);
{
Optional<ScrollRecorder> scrollRecorder;
Optional<PaintInfo> scrolledPaintInfo;
if (m_layoutBlock.hasOverflowClip()) {
IntSize scrollOffset = m_layoutBlock.scrolledContentOffset();
if (m_layoutBlock.layer()->scrollsOverflow() || !scrollOffset.isZero()) {
scrollRecorder.emplace(*paintInfo.context, m_layoutBlock, paintPhase, scrollOffset);
scrolledPaintInfo.emplace(paintInfo);
scrolledPaintInfo->rect.move(scrollOffset);
}
}
// We're done. We don't bother painting any children.
if (paintPhase == PaintPhaseBlockBackground || paintInfo.paintRootBackgroundOnly())
return;
const PaintInfo& contentsPaintInfo = scrolledPaintInfo ? *scrolledPaintInfo : paintInfo;
if (paintPhase != PaintPhaseSelfOutline)
paintContents(contentsPaintInfo, paintOffset);
if (paintPhase == PaintPhaseForeground && !paintInfo.isPrinting())
m_layoutBlock.paintSelection(contentsPaintInfo, paintOffset); // Fill in gaps in selection on lines and between blocks.
if (paintPhase == PaintPhaseFloat || paintPhase == PaintPhaseSelection || paintPhase == PaintPhaseTextClip)
m_layoutBlock.paintFloats(contentsPaintInfo, paintOffset, paintPhase == PaintPhaseSelection || paintPhase == PaintPhaseTextClip);
}
if ((paintPhase == PaintPhaseOutline || paintPhase == PaintPhaseSelfOutline) && m_layoutBlock.style()->hasOutline() && m_layoutBlock.style()->visibility() == VISIBLE) {
// Don't paint focus ring for anonymous block continuation because the
// inline element having outline-style:auto paints the whole focus ring.
if (!m_layoutBlock.style()->outlineStyleIsAuto() || !m_layoutBlock.isAnonymousBlockContinuation())
ObjectPainter(m_layoutBlock).paintOutline(paintInfo, LayoutRect(paintOffset, m_layoutBlock.size()), visualOverflowRectWithPaintOffset(m_layoutBlock, paintOffset));
}
if (paintPhase == PaintPhaseOutline || paintPhase == PaintPhaseChildOutlines)
paintContinuationOutlines(paintInfo, paintOffset);
// If the caret's node's layout object's containing block is this block, and the paint action is PaintPhaseForeground,
// then paint the caret.
if (paintPhase == PaintPhaseForeground && hasCaret() && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutBlock, DisplayItem::Caret)) {
LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutBlock, DisplayItem::Caret, visualOverflowRectWithPaintOffset(m_layoutBlock, paintOffset));
paintCarets(paintInfo, paintOffset);
}
}
void BlockPainter::paintObject(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) {
const PaintPhase paintPhase = paintInfo.phase;
if (shouldPaintSelfBlockBackground(paintPhase)) {
if (m_layoutBlock.style()->visibility() == EVisibility::Visible &&
m_layoutBlock.hasBoxDecorationBackground())
m_layoutBlock.paintBoxDecorationBackground(paintInfo, paintOffset);
// We're done. We don't bother painting any children.
if (paintPhase == PaintPhaseSelfBlockBackgroundOnly)
return;
}
if (paintInfo.paintRootBackgroundOnly())
return;
if (paintPhase == PaintPhaseMask &&
m_layoutBlock.style()->visibility() == EVisibility::Visible) {
m_layoutBlock.paintMask(paintInfo, paintOffset);
return;
}
if (paintPhase == PaintPhaseClippingMask &&
m_layoutBlock.style()->visibility() == EVisibility::Visible) {
BoxPainter(m_layoutBlock).paintClippingMask(paintInfo, paintOffset);
return;
}
if (paintPhase == PaintPhaseForeground && paintInfo.isPrinting())
ObjectPainter(m_layoutBlock).addPDFURLRectIfNeeded(paintInfo, paintOffset);
if (paintPhase != PaintPhaseSelfOutlineOnly) {
Optional<ScopedPaintChunkProperties> m_scopedScrollProperty;
Optional<ScrollRecorder> scrollRecorder;
Optional<PaintInfo> scrolledPaintInfo;
if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
const auto* objectProperties = m_layoutBlock.paintProperties();
if (auto* scroll =
objectProperties ? objectProperties->scroll() : nullptr) {
PaintChunkProperties properties(paintInfo.context.getPaintController()
.currentPaintChunkProperties());
auto* scrollTranslation = objectProperties->scrollTranslation();
DCHECK(scrollTranslation);
properties.transform = scrollTranslation;
properties.scroll = scroll;
m_scopedScrollProperty.emplace(
paintInfo.context.getPaintController(), m_layoutBlock,
DisplayItem::paintPhaseToDrawingType(paintPhase), properties);
scrolledPaintInfo.emplace(paintInfo);
scrolledPaintInfo->updateCullRect(
scrollTranslation->matrix().toAffineTransform());
}
} else if (m_layoutBlock.hasOverflowClip()) {
IntSize scrollOffset = m_layoutBlock.scrolledContentOffset();
if (m_layoutBlock.layer()->scrollsOverflow() || !scrollOffset.isZero()) {
scrollRecorder.emplace(paintInfo.context, m_layoutBlock, paintPhase,
scrollOffset);
scrolledPaintInfo.emplace(paintInfo);
AffineTransform transform;
transform.translate(-scrollOffset.width(), -scrollOffset.height());
scrolledPaintInfo->updateCullRect(transform);
}
}
const PaintInfo& contentsPaintInfo =
scrolledPaintInfo ? *scrolledPaintInfo : paintInfo;
if (m_layoutBlock.isLayoutBlockFlow()) {
BlockFlowPainter blockFlowPainter(toLayoutBlockFlow(m_layoutBlock));
blockFlowPainter.paintContents(contentsPaintInfo, paintOffset);
if (paintPhase == PaintPhaseFloat || paintPhase == PaintPhaseSelection ||
paintPhase == PaintPhaseTextClip)
blockFlowPainter.paintFloats(contentsPaintInfo, paintOffset);
} else {
paintContents(contentsPaintInfo, paintOffset);
}
}
if (shouldPaintSelfOutline(paintPhase))
ObjectPainter(m_layoutBlock).paintOutline(paintInfo, paintOffset);
// If the caret's node's layout object's containing block is this block, and
// the paint action is PaintPhaseForeground, then paint the caret.
if (paintPhase == PaintPhaseForeground && m_layoutBlock.hasCaret())
paintCarets(paintInfo, paintOffset);
}