inline LayoutUnit borderBeforeInWritingMode(const LayoutBox& layoutBox, WritingMode writingMode)
{
switch (writingMode) {
case TopToBottomWritingMode: return layoutBox.borderTop();
case LeftToRightWritingMode: return layoutBox.borderLeft();
case RightToLeftWritingMode: return layoutBox.borderRight();
}
ASSERT_NOT_REACHED();
return layoutBox.borderBefore();
}
static LayoutRect getShapeImageMarginRect(
const LayoutBox& layoutBox,
const LayoutSize& referenceBoxLogicalSize) {
LayoutPoint marginBoxOrigin(
-layoutBox.marginLogicalLeft() - layoutBox.borderAndPaddingLogicalLeft(),
-layoutBox.marginBefore() - layoutBox.borderBefore() -
layoutBox.paddingBefore());
LayoutSize marginBoxSizeDelta(
layoutBox.marginLogicalWidth() + layoutBox.borderAndPaddingLogicalWidth(),
layoutBox.marginLogicalHeight() +
layoutBox.borderAndPaddingLogicalHeight());
LayoutSize marginRectSize(referenceBoxLogicalSize + marginBoxSizeDelta);
marginRectSize.clampNegativeToZero();
return LayoutRect(marginBoxOrigin, marginRectSize);
}