void TableCellPainter::paintCollapsedBorders(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
ASSERT(paintInfo.phase == PaintPhaseCollapsedTableBorders);
if (!paintInfo.shouldPaintWithinRoot(&m_layoutTableCell) || m_layoutTableCell.style()->visibility() != VISIBLE)
return;
LayoutRect paintRect = paintBounds(paintOffset, AddOffsetFromParent);
LayoutRect drawingCullRect(paintRect);
drawingCullRect.expandEdges(m_layoutTableCell.table()->outerBorderTop(), m_layoutTableCell.table()->outerBorderRight(),
m_layoutTableCell.table()->outerBorderBottom(), m_layoutTableCell.table()->outerBorderLeft());
if (drawingCullRect.y() >= paintInfo.rect.maxY())
return;
if (drawingCullRect.maxY() <= paintInfo.rect.y())
return;
const CollapsedBorderValue* tableCurrentBorderValue = m_layoutTableCell.table()->currentBorderValue();
if (!tableCurrentBorderValue)
return;
const ComputedStyle& styleForCellFlow = m_layoutTableCell.styleForCellFlow();
const CollapsedBorderValue& leftBorderValue = cachedCollapsedLeftBorder(styleForCellFlow);
const CollapsedBorderValue& rightBorderValue = cachedCollapsedRightBorder(styleForCellFlow);
const CollapsedBorderValue& topBorderValue = cachedCollapsedTopBorder(styleForCellFlow);
const CollapsedBorderValue& bottomBorderValue = cachedCollapsedBottomBorder(styleForCellFlow);
bool shouldPaintTop = topBorderValue.shouldPaint(*tableCurrentBorderValue);
bool shouldPaintBottom = bottomBorderValue.shouldPaint(*tableCurrentBorderValue);
bool shouldPaintLeft = leftBorderValue.shouldPaint(*tableCurrentBorderValue);
bool shouldPaintRight = rightBorderValue.shouldPaint(*tableCurrentBorderValue);
if (!shouldPaintTop && !shouldPaintBottom && !shouldPaintLeft && !shouldPaintRight)
return;
GraphicsContext* graphicsContext = paintInfo.context;
LayoutObjectDrawingRecorder recorder(*graphicsContext, m_layoutTableCell, paintInfo.phase, drawingCullRect);
if (recorder.canUseCachedDrawing())
return;
bool antialias = BoxPainter::shouldAntialiasLines(graphicsContext);
// Adjust our x/y/width/height so that we paint the collapsed borders at the correct location.
int topWidth = topBorderValue.width();
int bottomWidth = bottomBorderValue.width();
int leftWidth = leftBorderValue.width();
int rightWidth = rightBorderValue.width();
IntRect borderRect = pixelSnappedIntRect(paintRect.x() - leftWidth / 2,
paintRect.y() - topWidth / 2,
paintRect.width() + leftWidth / 2 + (rightWidth + 1) / 2,
paintRect.height() + topWidth / 2 + (bottomWidth + 1) / 2);
Color cellColor = m_layoutTableCell.resolveColor(CSSPropertyColor);
// We never paint diagonals at the joins. We simply let the border with the highest
// precedence paint on top of borders with lower precedence.
if (shouldPaintTop) {
ObjectPainter::drawLineForBoxSide(graphicsContext, borderRect.x(), borderRect.y(), borderRect.maxX(), borderRect.y() + topWidth, BSTop,
topBorderValue.color().resolve(cellColor), collapsedBorderStyle(topBorderValue.style()), 0, 0, antialias);
}
if (shouldPaintBottom) {
ObjectPainter::drawLineForBoxSide(graphicsContext, borderRect.x(), borderRect.maxY() - bottomWidth, borderRect.maxX(), borderRect.maxY(), BSBottom,
bottomBorderValue.color().resolve(cellColor), collapsedBorderStyle(bottomBorderValue.style()), 0, 0, antialias);
}
if (shouldPaintLeft) {
ObjectPainter::drawLineForBoxSide(graphicsContext, borderRect.x(), borderRect.y(), borderRect.x() + leftWidth, borderRect.maxY(), BSLeft,
leftBorderValue.color().resolve(cellColor), collapsedBorderStyle(leftBorderValue.style()), 0, 0, antialias);
}
if (shouldPaintRight) {
ObjectPainter::drawLineForBoxSide(graphicsContext, borderRect.maxX() - rightWidth, borderRect.y(), borderRect.maxX(), borderRect.maxY(), BSRight,
rightBorderValue.color().resolve(cellColor), collapsedBorderStyle(rightBorderValue.style()), 0, 0, antialias);
}
}
void TableCellPainter::paintCollapsedBorders(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const CollapsedBorderValue& currentBorderValue)
{
if (m_layoutTableCell.style()->visibility() != VISIBLE)
return;
const ComputedStyle& styleForCellFlow = m_layoutTableCell.styleForCellFlow();
const CollapsedBorderValue* leftBorderValue = cachedCollapsedLeftBorder(styleForCellFlow);
const CollapsedBorderValue* rightBorderValue = cachedCollapsedRightBorder(styleForCellFlow);
const CollapsedBorderValue* topBorderValue = cachedCollapsedTopBorder(styleForCellFlow);
const CollapsedBorderValue* bottomBorderValue = cachedCollapsedBottomBorder(styleForCellFlow);
int displayItemType = DisplayItem::TableCollapsedBorderBase;
int topWidth = 0;
int bottomWidth = 0;
int leftWidth = 0;
int rightWidth = 0;
if (topBorderValue) {
if (topBorderValue->shouldPaint(currentBorderValue))
displayItemType |= DisplayItem::TableCollapsedBorderTop;
topWidth = topBorderValue->width();
}
if (bottomBorderValue) {
if (bottomBorderValue->shouldPaint(currentBorderValue))
displayItemType |= DisplayItem::TableCollapsedBorderBottom;
bottomWidth = bottomBorderValue->width();
}
if (leftBorderValue) {
if (leftBorderValue->shouldPaint(currentBorderValue))
displayItemType |= DisplayItem::TableCollapsedBorderLeft;
leftWidth = leftBorderValue->width();
}
if (rightBorderValue) {
if (rightBorderValue->shouldPaint(currentBorderValue))
displayItemType |= DisplayItem::TableCollapsedBorderRight;
rightWidth = rightBorderValue->width();
}
if (displayItemType == DisplayItem::TableCollapsedBorderBase)
return;
// Adjust our x/y/width/height so that we paint the collapsed borders at the correct location.
LayoutRect paintRect = paintBounds(paintOffset, AddOffsetFromParent);
IntRect borderRect = pixelSnappedIntRect(paintRect.x() - leftWidth / 2,
paintRect.y() - topWidth / 2,
paintRect.width() + leftWidth / 2 + (rightWidth + 1) / 2,
paintRect.height() + topWidth / 2 + (bottomWidth + 1) / 2);
if (!paintInfo.cullRect().intersectsCullRect(borderRect))
return;
GraphicsContext& graphicsContext = paintInfo.context;
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(graphicsContext, m_layoutTableCell, static_cast<DisplayItem::Type>(displayItemType)))
return;
LayoutObjectDrawingRecorder recorder(graphicsContext, m_layoutTableCell, static_cast<DisplayItem::Type>(displayItemType), borderRect);
Color cellColor = m_layoutTableCell.resolveColor(CSSPropertyColor);
// We never paint diagonals at the joins. We simply let the border with the highest
// precedence paint on top of borders with lower precedence.
if (displayItemType & DisplayItem::TableCollapsedBorderTop) {
ObjectPainter::drawLineForBoxSide(graphicsContext, borderRect.x(), borderRect.y(), borderRect.maxX(), borderRect.y() + topWidth, BSTop,
topBorderValue->color().resolve(cellColor), collapsedBorderStyle(topBorderValue->style()), 0, 0, true);
}
if (displayItemType & DisplayItem::TableCollapsedBorderBottom) {
ObjectPainter::drawLineForBoxSide(graphicsContext, borderRect.x(), borderRect.maxY() - bottomWidth, borderRect.maxX(), borderRect.maxY(), BSBottom,
bottomBorderValue->color().resolve(cellColor), collapsedBorderStyle(bottomBorderValue->style()), 0, 0, true);
}
if (displayItemType & DisplayItem::TableCollapsedBorderLeft) {
ObjectPainter::drawLineForBoxSide(graphicsContext, borderRect.x(), borderRect.y(), borderRect.x() + leftWidth, borderRect.maxY(), BSLeft,
leftBorderValue->color().resolve(cellColor), collapsedBorderStyle(leftBorderValue->style()), 0, 0, true);
}
if (displayItemType & DisplayItem::TableCollapsedBorderRight) {
ObjectPainter::drawLineForBoxSide(graphicsContext, borderRect.maxX() - rightWidth, borderRect.y(), borderRect.maxX(), borderRect.maxY(), BSRight,
rightBorderValue->color().resolve(cellColor), collapsedBorderStyle(rightBorderValue->style()), 0, 0, true);
}
}
void TableCellPainter::paintCollapsedBorders(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
ASSERT(paintInfo.phase == PaintPhaseCollapsedTableBorders);
if (!paintInfo.shouldPaintWithinRoot(&m_renderTableCell) || m_renderTableCell.style()->visibility() != VISIBLE)
return;
LayoutRect paintRect = paintBounds(paintOffset, AddOffsetFromParent);
if (paintRect.y() - m_renderTableCell.table()->outerBorderTop() >= paintInfo.rect.maxY())
return;
if (paintRect.maxY() + m_renderTableCell.table()->outerBorderBottom() <= paintInfo.rect.y())
return;
if (!m_renderTableCell.table()->currentBorderValue())
return;
RenderDrawingRecorder recorder(paintInfo.context, m_renderTableCell, paintInfo.phase, paintRect);
if (recorder.canUseCachedDrawing())
return;
const RenderStyle* styleForCellFlow = m_renderTableCell.styleForCellFlow();
CollapsedBorderValue leftVal = cachedCollapsedLeftBorder(styleForCellFlow);
CollapsedBorderValue rightVal = cachedCollapsedRightBorder(styleForCellFlow);
CollapsedBorderValue topVal = cachedCollapsedTopBorder(styleForCellFlow);
CollapsedBorderValue bottomVal = cachedCollapsedBottomBorder(styleForCellFlow);
// Adjust our x/y/width/height so that we paint the collapsed borders at the correct location.
int topWidth = topVal.width();
int bottomWidth = bottomVal.width();
int leftWidth = leftVal.width();
int rightWidth = rightVal.width();
IntRect borderRect = pixelSnappedIntRect(paintRect.x() - leftWidth / 2,
paintRect.y() - topWidth / 2,
paintRect.width() + leftWidth / 2 + (rightWidth + 1) / 2,
paintRect.height() + topWidth / 2 + (bottomWidth + 1) / 2);
EBorderStyle topStyle = collapsedBorderStyle(topVal.style());
EBorderStyle bottomStyle = collapsedBorderStyle(bottomVal.style());
EBorderStyle leftStyle = collapsedBorderStyle(leftVal.style());
EBorderStyle rightStyle = collapsedBorderStyle(rightVal.style());
bool renderTop = topStyle > BHIDDEN && !topVal.isTransparent();
bool renderBottom = bottomStyle > BHIDDEN && !bottomVal.isTransparent();
bool renderLeft = leftStyle > BHIDDEN && !leftVal.isTransparent();
bool renderRight = rightStyle > BHIDDEN && !rightVal.isTransparent();
// We never paint diagonals at the joins. We simply let the border with the highest
// precedence paint on top of borders with lower precedence.
CollapsedBorders borders;
borders.addBorder(topVal, BSTop, renderTop, borderRect.x(), borderRect.y(), borderRect.maxX(), borderRect.y() + topWidth, topStyle);
borders.addBorder(bottomVal, BSBottom, renderBottom, borderRect.x(), borderRect.maxY() - bottomWidth, borderRect.maxX(), borderRect.maxY(), bottomStyle);
borders.addBorder(leftVal, BSLeft, renderLeft, borderRect.x(), borderRect.y(), borderRect.x() + leftWidth, borderRect.maxY(), leftStyle);
borders.addBorder(rightVal, BSRight, renderRight, borderRect.maxX() - rightWidth, borderRect.y(), borderRect.maxX(), borderRect.maxY(), rightStyle);
GraphicsContext* graphicsContext = paintInfo.context;
bool antialias = BoxPainter::shouldAntialiasLines(graphicsContext);
for (CollapsedBorder* border = borders.nextBorder(); border; border = borders.nextBorder()) {
if (border->borderValue.isSameIgnoringColor(*m_renderTableCell.table()->currentBorderValue())) {
ObjectPainter::drawLineForBoxSide(graphicsContext, border->x1, border->y1, border->x2, border->y2, border->side,
border->borderValue.color().resolve(m_renderTableCell.resolveColor(CSSPropertyColor)), border->style, 0, 0, antialias);
}
}
}
