void RasterShape::getExcludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
const RasterShapeIntervals& intervals = marginIntervals();
if (intervals.isEmpty())
return;
IntShapeIntervals excludedIntervals;
intervals.getExcludedIntervals(logicalTop, logicalTop + logicalHeight, excludedIntervals);
appendLineSegments(excludedIntervals, result);
}
void RasterShape::getExcludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
const RasterShapeIntervals& intervals = marginIntervals();
if (intervals.isEmpty())
return;
float y1 = logicalTop;
float y2 = logicalTop + logicalHeight;
if (y2 < intervals.bounds().y() || y1 >= intervals.bounds().maxY())
return;
intervals.getExcludedIntervals(y1, y2, result);
}
void RasterShape::getExcludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
{
const RasterShapeIntervals& intervals = marginIntervals();
if (intervals.isEmpty())
return;
int y1 = logicalTop;
int y2 = logicalTop + logicalHeight;
ASSERT(y2 >= y1);
if (y2 < intervals.bounds().y() || y1 >= intervals.bounds().maxY())
return;
y1 = std::max(y1, intervals.bounds().y());
y2 = std::min(y2, intervals.bounds().maxY());
IntShapeInterval excludedInterval;
for (int y = y1; y < y2; y++)
excludedInterval.unite(intervals.intervalAt(y));
// Note: |marginIntervals()| returns end-point exclusive
// intervals. |excludedInterval.x2()| contains the left-most pixel
// offset to the right of the calculated union.
result.append(LineSegment(excludedInterval.x1(), excludedInterval.x2()));
}