LayoutReplaced.cpp [plain text]
#include "config.h"
#include "LayoutReplaced.h"
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
#include "LayoutBox.h"
#include "RenderStyle.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
namespace Layout {
WTF_MAKE_ISO_ALLOCATED_IMPL(Replaced);
Replaced::Replaced(const Box& layoutBox)
: m_layoutBox(makeWeakPtr(layoutBox))
{
}
bool Replaced::hasIntrinsicWidth() const
{
return m_intrinsicSize || m_layoutBox->style().logicalWidth().isIntrinsic();
}
bool Replaced::hasIntrinsicHeight() const
{
return m_intrinsicSize || m_layoutBox->style().logicalHeight().isIntrinsic();
}
bool Replaced::hasIntrinsicRatio() const
{
if (!hasAspectRatio())
return false;
return m_intrinsicSize || m_intrinsicRatio;
}
LayoutUnit Replaced::intrinsicWidth() const
{
ASSERT(hasIntrinsicWidth());
if (m_intrinsicSize)
return m_intrinsicSize->width();
return LayoutUnit(m_layoutBox->style().logicalWidth().value());
}
LayoutUnit Replaced::intrinsicHeight() const
{
ASSERT(hasIntrinsicHeight());
if (m_intrinsicSize)
return m_intrinsicSize->height();
return LayoutUnit(m_layoutBox->style().logicalHeight().value());
}
LayoutUnit Replaced::intrinsicRatio() const
{
ASSERT(hasIntrinsicRatio() || (hasIntrinsicWidth() && hasIntrinsicHeight()));
if (m_intrinsicRatio)
return *m_intrinsicRatio;
if (m_intrinsicSize && m_intrinsicSize->height())
return m_intrinsicSize->width() / m_intrinsicSize->height();
return 1;
}
bool Replaced::hasAspectRatio() const
{
return m_layoutBox->isImage() || m_layoutBox->style().aspectRatioType() == AspectRatioType::FromIntrinsic;
}
}
}
#endif