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;
}
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 (!shouldPaintWithinRoot(paintInfo))
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 + m_x;
int currentTY = ty + m_y;
// Early exit if the element touches the edges.
int top = currentTY + overflowTop();
int bottom = currentTY + overflowHeight();
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 + overflowLeft() >= paintInfo.rect.right() + os || currentTX + overflowWidth() <= paintInfo.rect.x() - os)
return false;
if (top >= paintInfo.rect.bottom() + os || bottom <= paintInfo.rect.y() - os)
return false;
return true;
}
LayoutRect RenderRegion::regionOverflowRect() const
{
// FIXME: Would like to just use hasOverflowClip() but we aren't a block yet. When RenderRegion is eliminated and
// folded into RenderBlock, switch to hasOverflowClip().
bool clipX = style()->overflowX() != OVISIBLE;
bool clipY = style()->overflowY() != OVISIBLE;
if ((clipX && clipY) || !isValid() || !m_flowThread)
return regionRect();
LayoutRect flowThreadOverflow = m_flowThread->visualOverflowRect();
// Only clip along the flow thread axis.
LayoutUnit outlineSize = maximalOutlineSize(PaintPhaseOutline);
LayoutRect clipRect;
if (m_flowThread->isHorizontalWritingMode()) {
LayoutUnit minY = isFirstRegion() ? (flowThreadOverflow.y() - outlineSize) : regionRect().y();
LayoutUnit maxY = isLastRegion() ? max(regionRect().maxY(), flowThreadOverflow.maxY()) + outlineSize : regionRect().maxY();
LayoutUnit minX = clipX ? regionRect().x() : (flowThreadOverflow.x() - outlineSize);
LayoutUnit maxX = clipX ? regionRect().maxX() : (flowThreadOverflow.maxX() + outlineSize);
clipRect = LayoutRect(minX, minY, maxX - minX, maxY - minY);
} else {
LayoutUnit minX = isFirstRegion() ? (flowThreadOverflow.x() - outlineSize) : regionRect().x();
LayoutUnit maxX = isLastRegion() ? max(regionRect().maxX(), flowThreadOverflow.maxX()) + outlineSize : regionRect().maxX();
LayoutUnit minY = clipY ? regionRect().y() : (flowThreadOverflow.y() - outlineSize);
LayoutUnit maxY = clipY ? regionRect().maxY() : (flowThreadOverflow.maxY() + outlineSize);
clipRect = LayoutRect(minX, minY, maxX - minX, maxY - minY);
}
return clipRect;
}
LayoutRect RenderRegion::overflowRectForFlowThreadPortion(LayoutRect flowThreadPortionRect, bool isFirstPortion, bool isLastPortion) const
{
ASSERT(isValid());
// FIXME: Would like to just use hasOverflowClip() but we aren't a block yet. When RenderRegion is eliminated and
// folded into RenderBlock, switch to hasOverflowClip().
bool clipX = style()->overflowX() != OVISIBLE;
bool clipY = style()->overflowY() != OVISIBLE;
bool isLastRegionWithRegionOverflowBreak = (isLastPortion && (style()->regionOverflow() == BreakRegionOverflow));
if ((clipX && clipY) || isLastRegionWithRegionOverflowBreak)
return flowThreadPortionRect;
LayoutRect flowThreadOverflow = m_flowThread->visualOverflowRect();
// Only clip along the flow thread axis.
LayoutUnit outlineSize = maximalOutlineSize(PaintPhaseOutline);
LayoutRect clipRect;
if (m_flowThread->isHorizontalWritingMode()) {
LayoutUnit minY = isFirstPortion ? (flowThreadOverflow.y() - outlineSize) : flowThreadPortionRect.y();
LayoutUnit maxY = isLastPortion ? max(flowThreadPortionRect.maxY(), flowThreadOverflow.maxY()) + outlineSize : flowThreadPortionRect.maxY();
LayoutUnit minX = clipX ? flowThreadPortionRect.x() : min(flowThreadPortionRect.x(), flowThreadOverflow.x() - outlineSize);
LayoutUnit maxX = clipX ? flowThreadPortionRect.maxX() : max(flowThreadPortionRect.maxX(), (flowThreadOverflow.maxX() + outlineSize));
clipRect = LayoutRect(minX, minY, maxX - minX, maxY - minY);
} else {
LayoutUnit minX = isFirstPortion ? (flowThreadOverflow.x() - outlineSize) : flowThreadPortionRect.x();
LayoutUnit maxX = isLastPortion ? max(flowThreadPortionRect.maxX(), flowThreadOverflow.maxX()) + outlineSize : flowThreadPortionRect.maxX();
LayoutUnit minY = clipY ? flowThreadPortionRect.y() : min(flowThreadPortionRect.y(), (flowThreadOverflow.y() - outlineSize));
LayoutUnit maxY = clipY ? flowThreadPortionRect.maxY() : max(flowThreadPortionRect.y(), (flowThreadOverflow.maxY() + outlineSize));
clipRect = LayoutRect(minX, minY, maxX - minX, maxY - minY);
}
return clipRect;
}
LayoutRect RenderRegion::overflowRectForFlowThreadPortion(const LayoutRect& flowThreadPortionRect, bool isFirstPortion, bool isLastPortion, OverflowType overflowType)
{
ASSERT(isValid());
if (shouldClipFlowThreadContent())
return flowThreadPortionRect;
LayoutRect flowThreadOverflow = overflowType == VisualOverflow ? visualOverflowRectForBox(m_flowThread) : layoutOverflowRectForBox(m_flowThread);
// We are interested about the outline size only when computing the visual overflow.
LayoutUnit outlineSize = overflowType == VisualOverflow ? LayoutUnit(maximalOutlineSize(PaintPhaseOutline)) : LayoutUnit();
LayoutRect clipRect;
if (m_flowThread->isHorizontalWritingMode()) {
LayoutUnit minY = isFirstPortion ? (flowThreadOverflow.y() - outlineSize) : flowThreadPortionRect.y();
LayoutUnit maxY = isLastPortion ? std::max(flowThreadPortionRect.maxY(), flowThreadOverflow.maxY()) + outlineSize : flowThreadPortionRect.maxY();
bool clipX = style().overflowX() != OVISIBLE;
LayoutUnit minX = clipX ? flowThreadPortionRect.x() : std::min(flowThreadPortionRect.x(), flowThreadOverflow.x() - outlineSize);
LayoutUnit maxX = clipX ? flowThreadPortionRect.maxX() : std::max(flowThreadPortionRect.maxX(), (flowThreadOverflow.maxX() + outlineSize));
clipRect = LayoutRect(minX, minY, maxX - minX, maxY - minY);
} else {
LayoutUnit minX = isFirstPortion ? (flowThreadOverflow.x() - outlineSize) : flowThreadPortionRect.x();
LayoutUnit maxX = isLastPortion ? std::max(flowThreadPortionRect.maxX(), flowThreadOverflow.maxX()) + outlineSize : flowThreadPortionRect.maxX();
bool clipY = style().overflowY() != OVISIBLE;
LayoutUnit minY = clipY ? flowThreadPortionRect.y() : std::min(flowThreadPortionRect.y(), (flowThreadOverflow.y() - outlineSize));
LayoutUnit maxY = clipY ? flowThreadPortionRect.maxY() : std::max(flowThreadPortionRect.y(), (flowThreadOverflow.maxY() + outlineSize));
clipRect = LayoutRect(minX, minY, maxX - minX, maxY - minY);
}
return clipRect;
}
LayoutRect RenderRegion::overflowRectForFlowThreadPortion(const LayoutRect& flowThreadPortionRect, bool isFirstPortion, bool isLastPortion, OverflowType overflowType) const
{
ASSERT(isValid());
// FIXME: Would like to just use hasOverflowClip() but we aren't a block yet. When RenderRegion is eliminated and
// folded into RenderBlock, switch to hasOverflowClip().
bool clipX = style()->overflowX() != OVISIBLE;
bool clipY = style()->overflowY() != OVISIBLE;
bool isLastRegionWithRegionFragmentBreak = (isLastPortion && (style()->regionFragment() == BreakRegionFragment));
if ((clipX && clipY) || isLastRegionWithRegionFragmentBreak)
return flowThreadPortionRect;
LayoutRect flowThreadOverflow = overflowType == VisualOverflow ? m_flowThread->visualOverflowRect() : m_flowThread->layoutOverflowRect();
// We are interested about the outline size only when computing the visual overflow.
LayoutUnit outlineSize = overflowType == VisualOverflow ? LayoutUnit(maximalOutlineSize(PaintPhaseOutline)) : LayoutUnit();
LayoutRect clipRect;
if (m_flowThread->isHorizontalWritingMode()) {
LayoutUnit minY = isFirstPortion ? (flowThreadOverflow.y() - outlineSize) : flowThreadPortionRect.y();
LayoutUnit maxY = isLastPortion ? max(flowThreadPortionRect.maxY(), flowThreadOverflow.maxY()) + outlineSize : flowThreadPortionRect.maxY();
LayoutUnit minX = clipX ? flowThreadPortionRect.x() : min(flowThreadPortionRect.x(), flowThreadOverflow.x() - outlineSize);
LayoutUnit maxX = clipX ? flowThreadPortionRect.maxX() : max(flowThreadPortionRect.maxX(), (flowThreadOverflow.maxX() + outlineSize));
clipRect = LayoutRect(minX, minY, maxX - minX, maxY - minY);
} else {
LayoutUnit minX = isFirstPortion ? (flowThreadOverflow.x() - outlineSize) : flowThreadPortionRect.x();
LayoutUnit maxX = isLastPortion ? max(flowThreadPortionRect.maxX(), flowThreadOverflow.maxX()) + outlineSize : flowThreadPortionRect.maxX();
LayoutUnit minY = clipY ? flowThreadPortionRect.y() : min(flowThreadPortionRect.y(), (flowThreadOverflow.y() - outlineSize));
LayoutUnit maxY = clipY ? flowThreadPortionRect.maxY() : max(flowThreadPortionRect.y(), (flowThreadOverflow.maxY() + outlineSize));
clipRect = LayoutRect(minX, minY, maxX - minX, maxY - minY);
}
return clipRect;
}
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;
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;
}