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