ScalableImageDecoderFrame.cpp [plain text]
#include "config.h"
#include "ScalableImageDecoderFrame.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
ScalableImageDecoderFrame::ScalableImageDecoderFrame()
{
}
ScalableImageDecoderFrame::~ScalableImageDecoderFrame()
{
}
ScalableImageDecoderFrame& ScalableImageDecoderFrame::operator=(const ScalableImageDecoderFrame& other)
{
if (this == &other)
return *this;
m_decodingStatus = other.m_decodingStatus;
if (other.backingStore())
initialize(*other.backingStore());
else
m_backingStore = nullptr;
m_disposalMethod = other.m_disposalMethod;
m_orientation = other.m_orientation;
m_duration = other.m_duration;
m_hasAlpha = other.m_hasAlpha;
return *this;
}
void ScalableImageDecoderFrame::setDecodingStatus(DecodingStatus decodingStatus)
{
ASSERT(decodingStatus != DecodingStatus::Decoding);
m_decodingStatus = decodingStatus;
}
DecodingStatus ScalableImageDecoderFrame::decodingStatus() const
{
ASSERT(m_decodingStatus != DecodingStatus::Decoding);
return m_decodingStatus;
}
void ScalableImageDecoderFrame::clear()
{
*this = ScalableImageDecoderFrame();
}
bool ScalableImageDecoderFrame::initialize(const ImageBackingStore& backingStore)
{
if (&backingStore == this->backingStore())
return true;
m_backingStore = ImageBackingStore::create(backingStore);
return m_backingStore != nullptr;
}
bool ScalableImageDecoderFrame::initialize(const IntSize& size, bool premultiplyAlpha)
{
if (size.isEmpty())
return false;
m_backingStore = ImageBackingStore::create(size, premultiplyAlpha);
return m_backingStore != nullptr;
}
IntSize ScalableImageDecoderFrame::size() const
{
if (hasBackingStore())
return backingStore()->size();
return { };
}
}