void TableSectionPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
ANNOTATE_GRAPHICS_CONTEXT(paintInfo, &m_layoutTableSection);
ASSERT(!m_layoutTableSection.needsLayout());
// avoid crashing on bugs that cause us to paint with dirty layout
if (m_layoutTableSection.needsLayout())
return;
unsigned totalRows = m_layoutTableSection.numRows();
unsigned totalCols = m_layoutTableSection.table()->columns().size();
if (!totalRows || !totalCols)
return;
LayoutPoint adjustedPaintOffset = paintOffset + m_layoutTableSection.location();
{
BoxClipper boxClipper(m_layoutTableSection, paintInfo, adjustedPaintOffset, ForceContentsClip);
paintObject(paintInfo, adjustedPaintOffset);
}
if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && m_layoutTableSection.style()->visibility() == VISIBLE) {
LayoutRect visualOverflowRect(m_layoutTableSection.visualOverflowRect());
visualOverflowRect.moveBy(adjustedPaintOffset);
ObjectPainter(m_layoutTableSection).paintOutline(paintInfo, LayoutRect(adjustedPaintOffset, m_layoutTableSection.size()), visualOverflowRect);
}
}
void TableSectionPainter::paintCollapsedBorders(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const CollapsedBorderValue& currentBorderValue)
{
if (!m_layoutTableSection.numRows() || !m_layoutTableSection.table()->columns().size())
return;
LayoutPoint adjustedPaintOffset = paintOffset + m_layoutTableSection.location();
BoxClipper boxClipper(m_layoutTableSection, paintInfo, adjustedPaintOffset, ForceContentsClip);
LayoutRect localPaintInvalidationRect = LayoutRect(paintInfo.rect);
localPaintInvalidationRect.moveBy(-adjustedPaintOffset);
LayoutRect tableAlignedRect = m_layoutTableSection.logicalRectForWritingModeAndDirection(localPaintInvalidationRect);
CellSpan dirtiedRows = m_layoutTableSection.dirtiedRows(tableAlignedRect);
CellSpan dirtiedColumns = m_layoutTableSection.dirtiedColumns(tableAlignedRect);
if (dirtiedColumns.start() >= dirtiedColumns.end())
return;
// Collapsed borders are painted from the bottom right to the top left so that precedence
// due to cell position is respected.
for (unsigned r = dirtiedRows.end(); r > dirtiedRows.start(); r--) {
unsigned row = r - 1;
for (unsigned c = dirtiedColumns.end(); c > dirtiedColumns.start(); c--) {
unsigned col = c - 1;
const LayoutTableSection::CellStruct& current = m_layoutTableSection.cellAt(row, col);
const LayoutTableCell* cell = current.primaryCell();
if (!cell || (row > dirtiedRows.start() && m_layoutTableSection.primaryCellAt(row - 1, col) == cell) || (col > dirtiedColumns.start() && m_layoutTableSection.primaryCellAt(row, col - 1) == cell))
continue;
LayoutPoint cellPoint = m_layoutTableSection.flipForWritingModeForChild(cell, adjustedPaintOffset);
TableCellPainter(*cell).paintCollapsedBorders(paintInfo, cellPoint, currentBorderValue);
}
}
}
void BlockPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
Optional<SubtreeRecorder> subtreeRecorder;
if (needsSubtreeRecorder(m_layoutBlock)) {
subtreeRecorder.emplace(*paintInfo.context, m_layoutBlock, paintInfo.phase);
if (subtreeRecorder->canUseCache())
return;
}
PaintInfo localPaintInfo(paintInfo);
LayoutPoint adjustedPaintOffset = paintOffset + m_layoutBlock.location();
PaintPhase originalPhase = localPaintInfo.phase;
// Check if we need to do anything at all.
LayoutRect overflowBox = overflowRectForPaintRejection();
m_layoutBlock.flipForWritingMode(overflowBox);
overflowBox.moveBy(adjustedPaintOffset);
if (!overflowBox.intersects(LayoutRect(localPaintInfo.rect)))
return;
// There are some cases where not all clipped visual overflow is accounted for.
// FIXME: reduce the number of such cases.
ContentsClipBehavior contentsClipBehavior = ForceContentsClip;
if (m_layoutBlock.hasOverflowClip() && !m_layoutBlock.hasControlClip() && !(m_layoutBlock.shouldPaintSelectionGaps() && originalPhase == PaintPhaseForeground) && !hasCaret())
contentsClipBehavior = SkipContentsClipIfPossible;
if (localPaintInfo.phase == PaintPhaseOutline) {
localPaintInfo.phase = PaintPhaseChildOutlines;
} else if (localPaintInfo.phase == PaintPhaseChildBlockBackground) {
localPaintInfo.phase = PaintPhaseBlockBackground;
m_layoutBlock.paintObject(localPaintInfo, adjustedPaintOffset);
localPaintInfo.phase = PaintPhaseChildBlockBackgrounds;
}
{
BoxClipper boxClipper(m_layoutBlock, localPaintInfo, adjustedPaintOffset, contentsClipBehavior);
m_layoutBlock.paintObject(localPaintInfo, adjustedPaintOffset);
}
if (originalPhase == PaintPhaseOutline) {
localPaintInfo.phase = PaintPhaseSelfOutline;
m_layoutBlock.paintObject(localPaintInfo, adjustedPaintOffset);
localPaintInfo.phase = originalPhase;
} else if (originalPhase == PaintPhaseChildBlockBackground) {
localPaintInfo.phase = originalPhase;
}
// Our scrollbar widgets paint exactly when we tell them to, so that they work properly with
// z-index. We paint after we painted the background/border, so that the scrollbars will
// sit above the background/border.
paintOverflowControlsIfNeeded(localPaintInfo, adjustedPaintOffset);
}
void BlockPainter::paint(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) {
LayoutPoint adjustedPaintOffset = paintOffset + m_layoutBlock.location();
if (!intersectsPaintRect(paintInfo, adjustedPaintOffset))
return;
PaintInfo localPaintInfo(paintInfo);
PaintPhase originalPhase = localPaintInfo.phase;
// There are some cases where not all clipped visual overflow is accounted
// for.
// FIXME: reduce the number of such cases.
ContentsClipBehavior contentsClipBehavior = ForceContentsClip;
if (m_layoutBlock.hasOverflowClip() && !m_layoutBlock.hasControlClip() &&
!m_layoutBlock.hasCaret())
contentsClipBehavior = SkipContentsClipIfPossible;
if (originalPhase == PaintPhaseOutline) {
localPaintInfo.phase = PaintPhaseDescendantOutlinesOnly;
} else if (shouldPaintSelfBlockBackground(originalPhase)) {
localPaintInfo.phase = PaintPhaseSelfBlockBackgroundOnly;
m_layoutBlock.paintObject(localPaintInfo, adjustedPaintOffset);
if (shouldPaintDescendantBlockBackgrounds(originalPhase))
localPaintInfo.phase = PaintPhaseDescendantBlockBackgroundsOnly;
}
if (originalPhase != PaintPhaseSelfBlockBackgroundOnly &&
originalPhase != PaintPhaseSelfOutlineOnly) {
BoxClipper boxClipper(m_layoutBlock, localPaintInfo, adjustedPaintOffset,
contentsClipBehavior);
m_layoutBlock.paintObject(localPaintInfo, adjustedPaintOffset);
}
if (shouldPaintSelfOutline(originalPhase)) {
localPaintInfo.phase = PaintPhaseSelfOutlineOnly;
m_layoutBlock.paintObject(localPaintInfo, adjustedPaintOffset);
}
// Our scrollbar widgets paint exactly when we tell them to, so that they work
// properly with z-index. We paint after we painted the background/border, so
// that the scrollbars will sit above the background/border.
localPaintInfo.phase = originalPhase;
paintOverflowControlsIfNeeded(localPaintInfo, adjustedPaintOffset);
}
void BlockPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!intersectsPaintRect(paintInfo, paintOffset))
return;
LayoutPoint adjustedPaintOffset = paintOffset + m_layoutBlock.location();
PaintInfo localPaintInfo(paintInfo);
PaintPhase originalPhase = localPaintInfo.phase;
// There are some cases where not all clipped visual overflow is accounted for.
// FIXME: reduce the number of such cases.
ContentsClipBehavior contentsClipBehavior = ForceContentsClip;
if (m_layoutBlock.hasOverflowClip() && !m_layoutBlock.hasControlClip() && !(m_layoutBlock.shouldPaintSelectionGaps() && originalPhase == PaintPhaseForeground) && !m_layoutBlock.hasCaret())
contentsClipBehavior = SkipContentsClipIfPossible;
if (localPaintInfo.phase == PaintPhaseOutline) {
localPaintInfo.phase = PaintPhaseChildOutlines;
} else if (localPaintInfo.phase == PaintPhaseChildBlockBackground) {
localPaintInfo.phase = PaintPhaseBlockBackground;
m_layoutBlock.paintObject(localPaintInfo, adjustedPaintOffset);
localPaintInfo.phase = PaintPhaseChildBlockBackgrounds;
}
{
BoxClipper boxClipper(m_layoutBlock, localPaintInfo, adjustedPaintOffset, contentsClipBehavior);
m_layoutBlock.paintObject(localPaintInfo, adjustedPaintOffset);
}
if (originalPhase == PaintPhaseOutline) {
localPaintInfo.phase = PaintPhaseSelfOutline;
m_layoutBlock.paintObject(localPaintInfo, adjustedPaintOffset);
localPaintInfo.phase = originalPhase;
} else if (originalPhase == PaintPhaseChildBlockBackground) {
localPaintInfo.phase = originalPhase;
}
// Our scrollbar widgets paint exactly when we tell them to, so that they work properly with
// z-index. We paint after we painted the background/border, so that the scrollbars will
// sit above the background/border.
paintOverflowControlsIfNeeded(localPaintInfo, adjustedPaintOffset);
}
