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 InlineFlowBoxPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const LayoutRect& cullRect)
{
ASSERT(paintInfo.phase == PaintPhaseForeground);
if (!paintInfo.shouldPaintWithinRoot(&m_inlineFlowBox.layoutObject()) || m_inlineFlowBox.layoutObject().style()->visibility() != VISIBLE)
return;
// You can use p::first-line to specify a background. If so, the root line boxes for
// a line may actually have to paint a background.
const ComputedStyle* styleToUse = m_inlineFlowBox.layoutObject().style(m_inlineFlowBox.isFirstLineStyle());
bool shouldPaintBoxDecorationBackground;
if (m_inlineFlowBox.parent())
shouldPaintBoxDecorationBackground = m_inlineFlowBox.layoutObject().hasBoxDecorationBackground();
else
shouldPaintBoxDecorationBackground = m_inlineFlowBox.isFirstLineStyle() && styleToUse != m_inlineFlowBox.layoutObject().style();
if (!shouldPaintBoxDecorationBackground)
return;
if (DrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_inlineFlowBox, DisplayItem::BoxDecorationBackground))
return;
DrawingRecorder recorder(*paintInfo.context, m_inlineFlowBox, DisplayItem::BoxDecorationBackground, pixelSnappedIntRect(cullRect));
LayoutRect frameRect = roundedFrameRectClampedToLineTopAndBottomIfNeeded();
// Move x/y to our coordinates.
LayoutRect localRect(frameRect);
m_inlineFlowBox.flipForWritingMode(localRect);
LayoutPoint adjustedPaintOffset = paintOffset + localRect.location();
LayoutRect adjustedFrameRect = LayoutRect(adjustedPaintOffset, frameRect.size());
LayoutRect adjustedClipRect;
BorderPaintingType borderPaintingType = getBorderPaintType(adjustedFrameRect, adjustedClipRect);
// Shadow comes first and is behind the background and border.
if (!m_inlineFlowBox.deprecatedBoxModelObject()->boxShadowShouldBeAppliedToBackground(BackgroundBleedNone, &m_inlineFlowBox))
paintBoxShadow(paintInfo, *styleToUse, Normal, adjustedFrameRect);
Color backgroundColor = m_inlineFlowBox.layoutObject().resolveColor(*styleToUse, CSSPropertyBackgroundColor);
paintFillLayers(paintInfo, backgroundColor, styleToUse->backgroundLayers(), adjustedFrameRect);
paintBoxShadow(paintInfo, *styleToUse, Inset, adjustedFrameRect);
switch (borderPaintingType) {
case DontPaintBorders:
break;
case PaintBordersWithoutClip:
BoxPainter::paintBorder(*m_inlineFlowBox.deprecatedBoxModelObject(), paintInfo, adjustedFrameRect, m_inlineFlowBox.layoutObject().styleRef(m_inlineFlowBox.isFirstLineStyle()),
BackgroundBleedNone, m_inlineFlowBox.includeLogicalLeftEdge(), m_inlineFlowBox.includeLogicalRightEdge());
break;
case PaintBordersWithClip:
// FIXME: What the heck do we do with RTL here? The math we're using is obviously not right,
// but it isn't even clear how this should work at all.
LayoutRect imageStripPaintRect = paintRectForImageStrip(adjustedPaintOffset, frameRect.size(), LTR);
GraphicsContextStateSaver stateSaver(*paintInfo.context);
paintInfo.context->clip(adjustedClipRect);
BoxPainter::paintBorder(*m_inlineFlowBox.deprecatedBoxModelObject(), paintInfo, imageStripPaintRect, m_inlineFlowBox.layoutObject().styleRef(m_inlineFlowBox.isFirstLineStyle()));
break;
}
}
void TableCellPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(&m_layoutTableCell))
return;
LayoutTable* table = m_layoutTableCell.table();
if (!table->collapseBorders() && m_layoutTableCell.style()->emptyCells() == HIDE && !m_layoutTableCell.firstChild())
return;
bool needsToPaintBorder = m_layoutTableCell.styleRef().hasBorder() && !table->collapseBorders();
if (!m_layoutTableCell.hasBackground() && !m_layoutTableCell.styleRef().boxShadow() && !needsToPaintBorder)
return;
LayoutRect paintRect = paintBounds(paintOffset, DoNotAddOffsetFromParent);
LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutTableCell, DisplayItem::BoxDecorationBackground, pixelSnappedIntRect(paintRect));
if (recorder.canUseCachedDrawing())
return;
BoxPainter::paintBoxShadow(paintInfo, paintRect, m_layoutTableCell.styleRef(), Normal);
// Paint our cell background.
paintBackgroundsBehindCell(paintInfo, paintOffset, &m_layoutTableCell);
BoxPainter::paintBoxShadow(paintInfo, paintRect, m_layoutTableCell.styleRef(), Inset);
if (!needsToPaintBorder)
return;
BoxPainter::paintBorder(m_layoutTableCell, paintInfo, paintRect, m_layoutTableCell.styleRef());
}
void TableCellPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(&m_layoutTableCell))
return;
LayoutTable* table = m_layoutTableCell.table();
if (!table->collapseBorders() && m_layoutTableCell.style()->emptyCells() == HIDE && !m_layoutTableCell.firstChild())
return;
bool needsToPaintBorder = m_layoutTableCell.styleRef().hasBorderDecoration() && !table->collapseBorders();
if (!m_layoutTableCell.hasBackground() && !m_layoutTableCell.styleRef().boxShadow() && !needsToPaintBorder)
return;
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutTableCell, DisplayItem::BoxDecorationBackground, paintOffset))
return;
LayoutRect visualOverflowRect = m_layoutTableCell.visualOverflowRect();
visualOverflowRect.moveBy(paintOffset);
// TODO(chrishtr): the pixel-snapping here is likely incorrect.
LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutTableCell, DisplayItem::BoxDecorationBackground, pixelSnappedIntRect(visualOverflowRect), paintOffset);
LayoutRect paintRect = paintBounds(paintOffset, DoNotAddOffsetFromParent);
BoxPainter::paintBoxShadow(paintInfo, paintRect, m_layoutTableCell.styleRef(), Normal);
// Paint our cell background.
paintBackgroundsBehindCell(paintInfo, paintOffset, &m_layoutTableCell, DisplayItem::BoxDecorationBackground);
BoxPainter::paintBoxShadow(paintInfo, paintRect, m_layoutTableCell.styleRef(), Inset);
if (!needsToPaintBorder)
return;
BoxPainter::paintBorder(m_layoutTableCell, paintInfo, paintRect, m_layoutTableCell.styleRef());
}
void RenderReplaced::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!shouldPaint(paintInfo, paintOffset))
return;
LayoutPoint adjustedPaintOffset = paintOffset + location();
if (hasBoxDecorations() && (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection))
paintBoxDecorations(paintInfo, adjustedPaintOffset);
if (paintInfo.phase == PaintPhaseMask) {
paintMask(paintInfo, adjustedPaintOffset);
return;
}
LayoutRect paintRect = LayoutRect(adjustedPaintOffset, size());
if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth())
paintOutline(paintInfo.context, paintRect);
if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection && !canHaveChildren())
return;
if (!paintInfo.shouldPaintWithinRoot(this))
return;
bool drawSelectionTint = selectionState() != SelectionNone && !document()->printing();
if (paintInfo.phase == PaintPhaseSelection) {
if (selectionState() == SelectionNone)
return;
drawSelectionTint = false;
}
bool completelyClippedOut = false;
if (style()->hasBorderRadius()) {
LayoutRect borderRect = LayoutRect(adjustedPaintOffset, size());
if (borderRect.isEmpty())
completelyClippedOut = true;
else {
// Push a clip if we have a border radius, since we want to round the foreground content that gets painted.
paintInfo.context->save();
paintInfo.context->addRoundedRectClip(style()->getRoundedBorderFor(paintRect, view()));
}
}
if (!completelyClippedOut) {
paintReplaced(paintInfo, adjustedPaintOffset);
if (style()->hasBorderRadius())
paintInfo.context->restore();
}
// The selection tint never gets clipped by border-radius rounding, since we want it to run right up to the edges of
// surrounding content.
if (drawSelectionTint) {
LayoutRect selectionPaintingRect = localSelectionRect();
selectionPaintingRect.moveBy(adjustedPaintOffset);
paintInfo.context->fillRect(pixelSnappedIntRect(selectionPaintingRect), selectionBackgroundColor(), style()->colorSpace());
}
}
void TableCellPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(&m_renderTableCell))
return;
RenderTable* tableElt = m_renderTableCell.table();
if (!tableElt->collapseBorders() && m_renderTableCell.style()->emptyCells() == HIDE && !m_renderTableCell.firstChild())
return;
LayoutRect paintRect = paintBounds(paintOffset, DoNotAddOffsetFromParent);
RenderDrawingRecorder recorder(paintInfo.context, m_renderTableCell, paintInfo.phase, pixelSnappedIntRect(paintRect));
if (recorder.canUseCachedDrawing())
return;
BoxPainter::paintBoxShadow(paintInfo, paintRect, m_renderTableCell.style(), Normal);
// Paint our cell background.
paintBackgroundsBehindCell(paintInfo, paintOffset, &m_renderTableCell);
BoxPainter::paintBoxShadow(paintInfo, paintRect, m_renderTableCell.style(), Inset);
if (!m_renderTableCell.style()->hasBorder() || tableElt->collapseBorders())
return;
BoxPainter::paintBorder(m_renderTableCell, paintInfo, paintRect, m_renderTableCell.style());
}
void SVGInlineTextBox::paintSelectionBackground(PaintInfo& paintInfo)
{
ASSERT(paintInfo.shouldPaintWithinRoot(renderer()));
ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
ASSERT(truncation() == cNoTruncation);
if (renderer()->style()->visibility() != VISIBLE)
return;
RenderObject* parentRenderer = parent()->renderer();
ASSERT(parentRenderer);
ASSERT(!parentRenderer->document().printing());
// Determine whether or not we're selected.
bool paintSelectedTextOnly = paintInfo.phase == PaintPhaseSelection;
bool hasSelection = selectionState() != RenderObject::SelectionNone;
if (!hasSelection || paintSelectedTextOnly)
return;
Color backgroundColor = renderer()->selectionBackgroundColor();
if (!backgroundColor.alpha())
return;
RenderSVGInlineText* textRenderer = toRenderSVGInlineText(this->textRenderer());
ASSERT(textRenderer);
if (!textShouldBePainted(textRenderer))
return;
RenderStyle* style = parentRenderer->style();
ASSERT(style);
int startPosition, endPosition;
selectionStartEnd(startPosition, endPosition);
int fragmentStartPosition = 0;
int fragmentEndPosition = 0;
AffineTransform fragmentTransform;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
SVGTextFragment& fragment = m_textFragments.at(i);
ASSERT(!m_paintingResource);
fragmentStartPosition = startPosition;
fragmentEndPosition = endPosition;
if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
GraphicsContextStateSaver stateSaver(*paintInfo.context);
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
paintInfo.context->concatCTM(fragmentTransform);
paintInfo.context->setFillColor(backgroundColor);
paintInfo.context->fillRect(selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style), backgroundColor);
m_paintingResourceMode = ApplyToDefaultMode;
}
ASSERT(!m_paintingResource);
}
void RenderReplaced::paint(PaintInfo& paintInfo, int tx, int ty)
{
if (!shouldPaint(paintInfo, tx, ty))
return;
tx += x();
ty += y();
if (hasBoxDecorations() && (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection))
paintBoxDecorations(paintInfo, tx, ty);
if (paintInfo.phase == PaintPhaseMask) {
paintMask(paintInfo, tx, ty);
return;
}
if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth())
paintOutline(paintInfo.context, tx, ty, width(), height());
if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection)
return;
if (!paintInfo.shouldPaintWithinRoot(this))
return;
bool drawSelectionTint = selectionState() != SelectionNone && !document()->printing();
if (paintInfo.phase == PaintPhaseSelection) {
if (selectionState() == SelectionNone)
return;
drawSelectionTint = false;
}
bool completelyClippedOut = false;
if (style()->hasBorderRadius()) {
IntRect borderRect = IntRect(tx, ty, width(), height());
if (borderRect.isEmpty())
completelyClippedOut = true;
else {
// Push a clip if we have a border radius, since we want to round the foreground content that gets painted.
paintInfo.context->save();
paintInfo.context->addRoundedRectClip(style()->getRoundedBorderFor(borderRect));
}
}
if (!completelyClippedOut) {
paintReplaced(paintInfo, tx, ty);
if (style()->hasBorderRadius())
paintInfo.context->restore();
}
// The selection tint never gets clipped by border-radius rounding, since we want it to run right up to the edges of
// surrounding content.
if (drawSelectionTint) {
IntRect selectionPaintingRect = localSelectionRect();
selectionPaintingRect.move(tx, ty);
paintInfo.context->fillRect(selectionPaintingRect, selectionBackgroundColor(), style()->colorSpace());
}
}
void SVGInlineTextBoxPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
ASSERT(paintInfo.shouldPaintWithinRoot(&m_svgInlineTextBox.layoutObject()));
ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
ASSERT(m_svgInlineTextBox.truncation() == cNoTruncation);
if (m_svgInlineTextBox.layoutObject().style()->visibility() != VISIBLE)
return;
// We're explicitly not supporting composition & custom underlines and custom highlighters -- unlike InlineTextBox.
// If we ever need that for SVG, it's very easy to refactor and reuse the code.
if (paintInfo.phase == PaintPhaseSelection && !shouldPaintSelection())
return;
LayoutSVGInlineText& textLayoutObject = toLayoutSVGInlineText(m_svgInlineTextBox.layoutObject());
if (!textShouldBePainted(textLayoutObject))
return;
DisplayItem::Type displayItemType = DisplayItem::paintPhaseToDrawingType(paintInfo.phase);
if (!DrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_svgInlineTextBox, displayItemType)) {
LayoutObject& parentLayoutObject = m_svgInlineTextBox.parent()->layoutObject();
const ComputedStyle& style = parentLayoutObject.styleRef();
DrawingRecorder recorder(*paintInfo.context, m_svgInlineTextBox, displayItemType, paintInfo.rect);
InlineTextBoxPainter(m_svgInlineTextBox).paintDocumentMarkers(
paintInfo.context, paintOffset, style,
textLayoutObject.scaledFont(), true);
if (!m_svgInlineTextBox.textFragments().isEmpty())
paintTextFragments(paintInfo, parentLayoutObject);
}
}
bool RenderReplaced::shouldPaint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseOutline && paintInfo.phase != PaintPhaseSelfOutline
&& paintInfo.phase != PaintPhaseSelection && paintInfo.phase != PaintPhaseMask)
return false;
if (!paintInfo.shouldPaintWithinRoot(this))
return false;
// if we're invisible or haven't received a layout yet, then just bail.
if (style()->visibility() != VISIBLE)
return false;
LayoutPoint adjustedPaintOffset = paintOffset + location();
// Early exit if the element touches the edges.
LayoutUnit top = adjustedPaintOffset.y() + visualOverflowRect().y();
LayoutUnit bottom = adjustedPaintOffset.y() + visualOverflowRect().maxY();
if (isSelected() && m_inlineBoxWrapper) {
LayoutUnit selTop = paintOffset.y() + m_inlineBoxWrapper->root()->selectionTop();
LayoutUnit selBottom = paintOffset.y() + selTop + m_inlineBoxWrapper->root()->selectionHeight();
top = min(selTop, top);
bottom = max(selBottom, bottom);
}
LayoutRect localRepaintRect = paintInfo.rect;
localRepaintRect.inflate(maximalOutlineSize(paintInfo.phase));
if (adjustedPaintOffset.x() + visualOverflowRect().x() >= localRepaintRect.maxX() || adjustedPaintOffset.x() + visualOverflowRect().maxX() <= localRepaintRect.x())
return false;
if (top >= localRepaintRect.maxY() || bottom <= localRepaintRect.y())
return false;
return true;
}
void InlineBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit /* lineTop */, LayoutUnit /*lineBottom*/)
{
if (!paintInfo.shouldPaintWithinRoot(renderer()) || (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection))
return;
LayoutPoint childPoint = paintOffset;
if (parent()->renderer()->style()->isFlippedBlocksWritingMode()) // Faster than calling containingBlock().
childPoint = renderer()->containingBlock()->flipForWritingModeForChild(toRenderBox(renderer()), childPoint);
// Paint all phases of replaced elements atomically, as though the replaced element established its
// own stacking context. (See Appendix E.2, section 6.4 on inline block/table elements in the CSS2.1
// specification.)
bool preservePhase = paintInfo.phase == PaintPhaseSelection || paintInfo.phase == PaintPhaseTextClip;
PaintInfo info(paintInfo);
info.phase = preservePhase ? paintInfo.phase : PaintPhaseBlockBackground;
renderer()->paint(info, childPoint);
if (!preservePhase) {
info.phase = PaintPhaseChildBlockBackgrounds;
renderer()->paint(info, childPoint);
info.phase = PaintPhaseFloat;
renderer()->paint(info, childPoint);
info.phase = PaintPhaseForeground;
renderer()->paint(info, childPoint);
info.phase = PaintPhaseOutline;
renderer()->paint(info, childPoint);
}
}
bool RenderReplaced::shouldPaint(PaintInfo& paintInfo, int& tx, int& ty)
{
if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseOutline && paintInfo.phase != PaintPhaseSelfOutline
&& paintInfo.phase != PaintPhaseSelection && paintInfo.phase != PaintPhaseMask)
return false;
if (!paintInfo.shouldPaintWithinRoot(this))
return false;
// if we're invisible or haven't received a layout yet, then just bail.
if (style()->visibility() != VISIBLE)
return false;
int currentTX = tx + x();
int currentTY = ty + y();
// Early exit if the element touches the edges.
int top = currentTY + minYVisualOverflow();
int bottom = currentTY + maxYVisualOverflow();
if (isSelected() && m_inlineBoxWrapper) {
int selTop = ty + m_inlineBoxWrapper->root()->selectionTop();
int selBottom = ty + selTop + m_inlineBoxWrapper->root()->selectionHeight();
top = min(selTop, top);
bottom = max(selBottom, bottom);
}
int os = 2 * maximalOutlineSize(paintInfo.phase);
if (currentTX + minXVisualOverflow() >= paintInfo.rect.maxX() + os || currentTX + maxXVisualOverflow() <= paintInfo.rect.x() - os)
return false;
if (top >= paintInfo.rect.maxY() + os || bottom <= paintInfo.rect.y() - os)
return false;
return true;
}
void InlineBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit /* lineTop */, LayoutUnit /*lineBottom*/)
{
if (!paintInfo.shouldPaintWithinRoot(&renderer()) || (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection))
return;
LayoutPoint childPoint = paintOffset;
RenderBlock::paintAsInlineBlock(&renderer(), paintInfo, childPoint);
}
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 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 InlineBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit /* lineTop */, LayoutUnit /*lineBottom*/)
{
if (!paintInfo.shouldPaintWithinRoot(renderer()) || (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection))
return;
LayoutPoint childPoint = paintOffset;
if (parent()->renderer()->style()->isFlippedBlocksWritingMode()) // Faster than calling containingBlock().
childPoint = renderer()->containingBlock()->flipForWritingModeForChild(toRenderBox(renderer()), childPoint);
RenderBlock::paintAsInlineBlock(renderer(), paintInfo, childPoint);
}
void RenderFieldset::paintBoxDecorations(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(*this))
return;
LayoutRect paintRect(paintOffset, size());
RenderBox* legend = findLegend();
if (!legend)
return RenderBlockFlow::paintBoxDecorations(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.setHeight(paintRect.height() - yOff);
paintRect.setY(paintRect.y() + yOff);
} else {
LayoutUnit xOff = (legend->x() > 0) ? LayoutUnit() : (legend->width() - borderLeft()) / 2;
paintRect.setWidth(paintRect.width() - xOff);
paintRect.setX(paintRect.x() + xOff);
}
if (!boxShadowShouldBeAppliedToBackground(determineBackgroundBleedAvoidance(paintInfo.context)))
paintBoxShadow(paintInfo, paintRect, style(), Normal);
paintFillLayers(paintInfo, style().visitedDependentColor(CSSPropertyBackgroundColor), style().backgroundLayers(), paintRect);
paintBoxShadow(paintInfo, paintRect, style(), Inset);
if (!style().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
LayoutRect clipRect;
if (style().isHorizontalWritingMode()) {
clipRect.setX(paintRect.x() + legend->x());
clipRect.setY(paintRect.y());
clipRect.setWidth(legend->width());
clipRect.setHeight(std::max<LayoutUnit>(style().borderTopWidth(), legend->height() - ((legend->height() - borderTop()) / 2)));
} else {
clipRect.setX(paintRect.x());
clipRect.setY(paintRect.y() + legend->y());
clipRect.setWidth(std::max<LayoutUnit>(style().borderLeftWidth(), legend->width()));
clipRect.setHeight(legend->height());
}
graphicsContext->clipOut(snapRectToDevicePixels(clipRect, document().deviceScaleFactor()));
paintBorder(paintInfo, paintRect, style());
}
void BlockPainter::paintInlineBox(InlineBox& inlineBox, const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(&inlineBox.layoutObject()) || (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection))
return;
LayoutPoint childPoint = paintOffset;
if (inlineBox.parent()->layoutObject().style()->isFlippedBlocksWritingMode()) // Faster than calling containingBlock().
childPoint = inlineBox.layoutObject().containingBlock()->flipForWritingModeForChild(&toLayoutBox(inlineBox.layoutObject()), childPoint);
paintAsInlineBlock(inlineBox.layoutObject(), paintInfo, childPoint);
}
void RenderFieldset::paintBoxDecorations(PaintInfo& paintInfo, int tx, int ty)
{
if (!paintInfo.shouldPaintWithinRoot(this))
return;
int w = width();
int h = height();
RenderBox* legend = findLegend();
if (!legend)
return RenderBlock::paintBoxDecorations(paintInfo, tx, ty);
// 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()) {
int yOff = (legend->y() > 0) ? 0 : (legend->height() - borderTop()) / 2;
h -= yOff;
ty += yOff;
} else {
int xOff = (legend->x() > 0) ? 0 : (legend->width() - borderLeft()) / 2;
w -= xOff;
tx += xOff;
}
paintBoxShadow(paintInfo.context, tx, ty, w, h, style(), Normal);
paintFillLayers(paintInfo, style()->visitedDependentColor(CSSPropertyBackgroundColor), style()->backgroundLayers(), tx, ty, w, h);
paintBoxShadow(paintInfo.context, tx, ty, w, h, style(), Inset);
if (!style()->hasBorder())
return;
// Create a clipping region around the legend and paint the border as normal
GraphicsContext* graphicsContext = paintInfo.context;
graphicsContext->save();
// 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()) {
int clipTop = ty;
int clipHeight = max(static_cast<int>(style()->borderTopWidth()), legend->height());
graphicsContext->clipOut(IntRect(tx + legend->x(), clipTop, legend->width(), clipHeight));
} else {
int clipLeft = tx;
int clipWidth = max(static_cast<int>(style()->borderLeftWidth()), legend->width());
graphicsContext->clipOut(IntRect(clipLeft, ty + legend->y(), clipWidth, legend->height()));
}
paintBorder(paintInfo.context, tx, ty, w, h, style(), true, true);
graphicsContext->restore();
}
void RenderView::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
// If we ever require layout but receive a paint anyway, something has gone horribly wrong.
ASSERT(!needsLayout());
// RenderViews should never be called to paint with an offset not on device pixels.
ASSERT(LayoutPoint(IntPoint(paintOffset.x(), paintOffset.y())) == paintOffset);
// This avoids painting garbage between columns if there is a column gap.
if (frameView().pagination().mode != Pagination::Unpaginated && paintInfo.shouldPaintWithinRoot(*this))
paintInfo.context->fillRect(paintInfo.rect, frameView().baseBackgroundColor(), ColorSpaceDeviceRGB);
paintObject(paintInfo, paintOffset);
}
void RenderFieldset::paintBoxDecorations(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!paintInfo.shouldPaintWithinRoot(this))
return;
LayoutRect paintRect(paintOffset, size());
RenderBox* legend = findLegend();
if (!legend)
return RenderBlock::paintBoxDecorations(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) ? 0 : (legend->height() - borderTop()) / 2;
paintRect.setHeight(paintRect.height() - yOff);
paintRect.setY(paintRect.y() + yOff);
} else {
LayoutUnit xOff = (legend->x() > 0) ? 0 : (legend->width() - borderLeft()) / 2;
paintRect.setWidth(paintRect.width() - xOff);
paintRect.setX(paintRect.x() + xOff);
}
paintBoxShadow(paintInfo, paintRect, style(), Normal);
paintFillLayers(paintInfo, style()->visitedDependentColor(CSSPropertyBackgroundColor), style()->backgroundLayers(), paintRect);
paintBoxShadow(paintInfo, paintRect, style(), Inset);
if (!style()->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 (style()->isHorizontalWritingMode()) {
LayoutUnit clipTop = paintRect.y();
LayoutUnit clipHeight = max(static_cast<LayoutUnit>(style()->borderTopWidth()), legend->height());
graphicsContext->clipOut(LayoutRect(paintRect.x() + legend->x(), clipTop, legend->width(), clipHeight));
} else {
LayoutUnit clipLeft = paintRect.x();
LayoutUnit clipWidth = max(static_cast<LayoutUnit>(style()->borderLeftWidth()), legend->width());
graphicsContext->clipOut(LayoutRect(clipLeft, paintRect.y() + legend->y(), clipWidth, legend->height()));
}
paintBorder(paintInfo, paintRect, style());
}
void RenderTableCell::paint(PaintInfo& paintInfo, int tx, int ty)
{
if (paintInfo.phase == PaintPhaseCollapsedTableBorders && style()->visibility() == VISIBLE) {
if (!paintInfo.shouldPaintWithinRoot(this))
return;
tx += x();
ty += y();
int os = 2 * maximalOutlineSize(paintInfo.phase);
if (ty - table()->outerBorderTop() < paintInfo.rect.maxY() + os
&& ty + height() + table()->outerBorderBottom() > paintInfo.rect.y() - os)
paintCollapsedBorder(paintInfo.context, IntRect(tx, ty, width(), height()));
return;
}
RenderBlock::paint(paintInfo, tx, ty);
}
void RootInlineBox::paintCustomHighlight(PaintInfo& paintInfo, int tx, int ty, const AtomicString& highlightType)
{
if (!paintInfo.shouldPaintWithinRoot(renderer()) || renderer()->style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseForeground)
return;
Frame* frame = renderer()->frame();
if (!frame)
return;
Page* page = frame->page();
if (!page)
return;
// Get the inflated rect so that we can properly hit test.
FloatRect rootRect(tx + x(), ty + selectionTop(), width(), selectionHeight());
FloatRect inflatedRect = page->chrome()->client()->customHighlightRect(renderer()->node(), highlightType, rootRect);
if (inflatedRect.intersects(paintInfo.rect))
page->chrome()->client()->paintCustomHighlight(renderer()->node(), highlightType, rootRect, rootRect, false, true);
}
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);
}
}
bool RenderReplaced::shouldPaint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseOutline && paintInfo.phase != PaintPhaseSelfOutline
&& paintInfo.phase != PaintPhaseSelection && paintInfo.phase != PaintPhaseMask)
return false;
if (!paintInfo.shouldPaintWithinRoot(*this))
return false;
// if we're invisible or haven't received a layout yet, then just bail.
if (style().visibility() != VISIBLE)
return false;
RenderNamedFlowFragment* namedFlowFragment = currentRenderNamedFlowFragment();
// Check our region range to make sure we need to be painting in this region.
if (namedFlowFragment && !namedFlowFragment->flowThread()->objectShouldFragmentInFlowRegion(this, namedFlowFragment))
return false;
LayoutPoint adjustedPaintOffset = paintOffset + location();
// Early exit if the element touches the edges.
LayoutUnit top = adjustedPaintOffset.y() + visualOverflowRect().y();
LayoutUnit bottom = adjustedPaintOffset.y() + visualOverflowRect().maxY();
if (isSelected() && m_inlineBoxWrapper) {
const RootInlineBox& rootBox = m_inlineBoxWrapper->root();
LayoutUnit selTop = paintOffset.y() + rootBox.selectionTop();
LayoutUnit selBottom = paintOffset.y() + selTop + rootBox.selectionHeight();
top = std::min(selTop, top);
bottom = std::max(selBottom, bottom);
}
LayoutRect localRepaintRect = paintInfo.rect;
adjustRectWithMaximumOutline(paintInfo.phase, localRepaintRect);
if (adjustedPaintOffset.x() + visualOverflowRect().x() >= localRepaintRect.maxX() || adjustedPaintOffset.x() + visualOverflowRect().maxX() <= localRepaintRect.x())
return false;
if (top >= localRepaintRect.maxY() || bottom <= localRepaintRect.y())
return false;
return true;
}
void RenderTableCell::paintBoxDecorations(PaintInfo& paintInfo, int tx, int ty)
{
if (!paintInfo.shouldPaintWithinRoot(this))
return;
RenderTable* tableElt = table();
if (!tableElt->collapseBorders() && style()->emptyCells() == HIDE && !firstChild())
return;
IntRect paintRect = IntRect(IntPoint(tx, ty), size());
paintBoxShadow(paintInfo, paintRect, style(), Normal);
// Paint our cell background.
paintBackgroundsBehindCell(paintInfo, tx, ty, this);
paintBoxShadow(paintInfo, paintRect, style(), Inset);
if (!style()->hasBorder() || tableElt->collapseBorders())
return;
paintBorder(paintInfo, paintRect, style());
}
void RenderTableCell::paintBackgroundsBehindCell(PaintInfo& paintInfo, int tx, int ty, RenderObject* backgroundObject)
{
if (!paintInfo.shouldPaintWithinRoot(this))
return;
if (!backgroundObject)
return;
if (style()->visibility() != VISIBLE)
return;
RenderTable* tableElt = table();
if (!tableElt->collapseBorders() && style()->emptyCells() == HIDE && !firstChild())
return;
if (backgroundObject != this) {
tx += x();
ty += y();
}
int w = width();
int h = height();
Color c = backgroundObject->style()->visitedDependentColor(CSSPropertyBackgroundColor);
const FillLayer* bgLayer = backgroundObject->style()->backgroundLayers();
if (bgLayer->hasImage() || c.isValid()) {
// 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 == this || backgroundObject == parent()) && tableElt->collapseBorders();
GraphicsContextStateSaver stateSaver(*paintInfo.context, shouldClip);
if (shouldClip) {
IntRect clipRect(tx + borderLeft(), ty + borderTop(),
w - borderLeft() - borderRight(), h - borderTop() - borderBottom());
paintInfo.context->clip(clipRect);
}
paintFillLayers(paintInfo, c, bgLayer, IntRect(tx, ty, w, h), BackgroundBleedNone, CompositeSourceOver, backgroundObject);
}
}
bool LayoutReplaced::shouldPaint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset) const
{
if (paintInfo.phase != PaintPhaseForeground && !shouldPaintSelfOutline(paintInfo.phase)
&& paintInfo.phase != PaintPhaseSelection && paintInfo.phase != PaintPhaseMask && paintInfo.phase != PaintPhaseClippingMask)
return false;
if (!paintInfo.shouldPaintWithinRoot(this))
return false;
// if we're invisible or haven't received a layout yet, then just bail.
if (style()->visibility() != VISIBLE)
return false;
LayoutRect paintRect(visualOverflowRect());
paintRect.unite(localSelectionRect());
paintRect.moveBy(paintOffset + location());
if (!paintInfo.cullRect().intersectsCullRect(paintRect))
return false;
return true;
}
void InlineBox::paint(PaintInfo& paintInfo, int tx, int ty)
{
if (!paintInfo.shouldPaintWithinRoot(renderer()) || (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection))
return;
// Paint all phases of replaced elements atomically, as though the replaced element established its
// own stacking context. (See Appendix E.2, section 6.4 on inline block/table elements in the CSS2.1
// specification.)
bool preservePhase = paintInfo.phase == PaintPhaseSelection || paintInfo.phase == PaintPhaseTextClip;
PaintInfo info(paintInfo);
info.phase = preservePhase ? paintInfo.phase : PaintPhaseBlockBackground;
renderer()->paint(info, tx, ty);
if (!preservePhase) {
info.phase = PaintPhaseChildBlockBackgrounds;
renderer()->paint(info, tx, ty);
info.phase = PaintPhaseFloat;
renderer()->paint(info, tx, ty);
info.phase = PaintPhaseForeground;
renderer()->paint(info, tx, ty);
info.phase = PaintPhaseOutline;
renderer()->paint(info, tx, ty);
}
}
void RenderReplaced::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!shouldPaint(paintInfo, paintOffset))
return;
#ifndef NDEBUG
SetLayoutNeededForbiddenScope scope(this);
#endif
LayoutPoint adjustedPaintOffset = paintOffset + location();
if (hasVisibleBoxDecorations() && paintInfo.phase == PaintPhaseForeground)
paintBoxDecorations(paintInfo, adjustedPaintOffset);
if (paintInfo.phase == PaintPhaseMask) {
paintMask(paintInfo, adjustedPaintOffset);
return;
}
LayoutRect paintRect = LayoutRect(adjustedPaintOffset, size());
if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style().outlineWidth())
paintOutline(paintInfo, paintRect);
if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection && !canHaveChildren())
return;
if (!paintInfo.shouldPaintWithinRoot(*this))
return;
bool drawSelectionTint = shouldDrawSelectionTint();
if (paintInfo.phase == PaintPhaseSelection) {
if (selectionState() == SelectionNone)
return;
drawSelectionTint = false;
}
bool completelyClippedOut = false;
if (style().hasBorderRadius()) {
LayoutRect borderRect = LayoutRect(adjustedPaintOffset, size());
if (borderRect.isEmpty())
completelyClippedOut = true;
else {
// Push a clip if we have a border radius, since we want to round the foreground content that gets painted.
paintInfo.context().save();
FloatRoundedRect roundedInnerRect = FloatRoundedRect(style().getRoundedInnerBorderFor(paintRect,
paddingTop() + borderTop(), paddingBottom() + borderBottom(), paddingLeft() + borderLeft(), paddingRight() + borderRight(), true, true));
clipRoundedInnerRect(paintInfo.context(), paintRect, roundedInnerRect);
}
}
if (!completelyClippedOut) {
paintReplaced(paintInfo, adjustedPaintOffset);
if (style().hasBorderRadius())
paintInfo.context().restore();
}
// The selection tint never gets clipped by border-radius rounding, since we want it to run right up to the edges of
// surrounding content.
if (drawSelectionTint) {
LayoutRect selectionPaintingRect = localSelectionRect();
selectionPaintingRect.moveBy(adjustedPaintOffset);
paintInfo.context().fillRect(snappedIntRect(selectionPaintingRect), selectionBackgroundColor());
}
}
