static void deflateIfOverlapped(LayoutRect& a, LayoutRect& b)
{
if (!a.intersects(b) || a.contains(b) || b.contains(a))
return;
LayoutUnit deflateFactor = -fudgeFactor();
// Avoid negative width or height values.
if ((a.width() + 2 * deflateFactor > 0) && (a.height() + 2 * deflateFactor > 0))
a.inflate(deflateFactor);
if ((b.width() + 2 * deflateFactor > 0) && (b.height() + 2 * deflateFactor > 0))
b.inflate(deflateFactor);
}
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 SVGRenderSupport::computeRectForRepaint(const RenderObject* object, RenderBoxModelObject* repaintContainer, LayoutRect& repaintRect, bool fixed)
{
const SVGRenderStyle* svgStyle = object->style()->svgStyle();
if (const ShadowData* shadow = svgStyle->shadow())
shadow->adjustRectForShadow(repaintRect);
repaintRect.inflate(object->style()->outlineWidth());
// Translate to coords in our parent renderer, and then call computeRectForRepaint on our parent
repaintRect = object->localToParentTransform().mapRect(repaintRect);
object->parent()->computeRectForRepaint(repaintContainer, repaintRect, fixed);
}
bool LayoutSVGShape::adjustVisualRectForRasterEffects(
LayoutRect& visualRect) const {
// Account for raster expansions due to SVG stroke hairline raster effects.
if (!visualRect.isEmpty() && styleRef().svgStyle().hasVisibleStroke()) {
LayoutUnit pad(0.5f);
if (styleRef().svgStyle().capStyle() != ButtCap)
pad += 0.5f;
visualRect.inflate(pad);
return true;
}
return false;
}
// TODO(yoichio): |node| is FrameSelection::m_previousCaretNode and this is bad
// design. We should use only previous layoutObject or Rectangle to invalidate
// old caret.
void CaretBase::invalidateLocalCaretRect(Node* node, const LayoutRect& rect) {
LayoutBlock* caretLayoutBlock = caretLayoutObject(node);
if (!caretLayoutBlock)
return;
// FIXME: Need to over-paint 1 pixel to workaround some rounding problems.
// https://bugs.webkit.org/show_bug.cgi?id=108283
LayoutRect inflatedRect = rect;
inflatedRect.inflate(LayoutUnit(1));
// FIXME: We should not allow paint invalidation out of paint invalidation
// state. crbug.com/457415
DisablePaintInvalidationStateAsserts disabler;
m_visualRect =
node->layoutObject()->invalidatePaintRectangle(inflatedRect, this);
}
LayoutRect RenderReplaced::clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const
{
if (style().visibility() != VISIBLE && !enclosingLayer()->hasVisibleContent())
return LayoutRect();
// The selectionRect can project outside of the overflowRect, so take their union
// for repainting to avoid selection painting glitches.
LayoutRect r = unionRect(localSelectionRect(false), visualOverflowRect());
// FIXME: layoutDelta needs to be applied in parts before/after transforms and
// repaint containers. https://bugs.webkit.org/show_bug.cgi?id=23308
r.move(view().layoutDelta());
r.inflate(style().outlineSize());
computeRectForRepaint(repaintContainer, r);
return r;
}
void CaretBase::invalidateLocalCaretRect(Node* node, const LayoutRect& rect)
{
LayoutBlock* caretPainter = caretLayoutObject(node);
if (!caretPainter)
return;
// FIXME: Need to over-paint 1 pixel to workaround some rounding problems.
// https://bugs.webkit.org/show_bug.cgi?id=108283
LayoutRect inflatedRect = rect;
inflatedRect.inflate(1);
// FIXME: We should use mapLocalToContainer() since we know we're not un-rooted.
mapCaretRectToCaretPainter(node->layoutObject(), caretPainter, inflatedRect);
// FIXME: We should not allow paint invalidation out of paint invalidation state. crbug.com/457415
DisablePaintInvalidationStateAsserts disabler;
caretPainter->invalidatePaintRectangle(inflatedRect);
}
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;
}