本文整理汇总了C++中shareablebitmap::Handle::isNull方法的典型用法代码示例。如果您正苦于以下问题：C++ Handle::isNull方法的具体用法？C++ Handle::isNull怎么用？C++ Handle::isNull使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类shareablebitmap::Handle的用法示例。
在下文中一共展示了Handle::isNull方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: decode
bool ContextMenuContextData::decode(IPC::ArgumentDecoder& decoder, ContextMenuContextData& result)
{
if (!decoder.decode(result.m_menuLocation))
return false;
if (!decoder.decode(result.m_menuItems))
return false;
if (!decoder.decode(result.m_webHitTestResultData))
return false;
if (!decoder.decode(result.m_selectedText))
return false;
#if ENABLE(SERVICE_CONTROLS)
ShareableBitmap::Handle handle;
if (!decoder.decode(handle))
return false;
if (!handle.isNull())
result.m_controlledImage = ShareableBitmap::create(handle, SharedMemory::Protection::ReadOnly);
#endif
return true;
}示例2: getImageForFindMatch
void FindController::getImageForFindMatch(uint32_t matchIndex)
{
if (matchIndex >= m_findMatches.size())
return;
Frame* frame = m_findMatches[matchIndex]->startContainer().document().frame();
if (!frame)
return;
VisibleSelection oldSelection = frame->selection().selection();
frame->selection().setSelection(VisibleSelection(*m_findMatches[matchIndex]));
RefPtr<ShareableBitmap> selectionSnapshot = WebFrame::fromCoreFrame(*frame)->createSelectionSnapshot();
frame->selection().setSelection(oldSelection);
if (!selectionSnapshot)
return;
ShareableBitmap::Handle handle;
selectionSnapshot->createHandle(handle);
if (handle.isNull())
return;
m_webPage->send(Messages::WebPageProxy::DidGetImageForFindMatch(handle, matchIndex));
}示例3:
PassRefPtr<ShareableBitmap> PluginProxy::snapshot()
{
ShareableBitmap::Handle snapshotStoreHandle;
m_connection->connection()->sendSync(Messages::PluginControllerProxy::Snapshot(), Messages::PluginControllerProxy::Snapshot::Reply(snapshotStoreHandle), m_pluginInstanceID);
if (snapshotStoreHandle.isNull())
return 0;
RefPtr<ShareableBitmap> snapshotBuffer = ShareableBitmap::create(snapshotStoreHandle);
return snapshotBuffer.release();
}示例4: geometryDidChange
void PluginControllerProxy::geometryDidChange(const IntSize& pluginSize, const IntRect& clipRect, const AffineTransform& pluginToRootViewTransform, float contentsScaleFactor, const ShareableBitmap::Handle& backingStoreHandle)
{
ASSERT(m_plugin);
m_pluginSize = pluginSize;
if (contentsScaleFactor != m_contentsScaleFactor) {
m_contentsScaleFactor = contentsScaleFactor;
m_plugin->contentsScaleFactorChanged(m_contentsScaleFactor);
}
platformGeometryDidChange();
if (!backingStoreHandle.isNull()) {
// Create a new backing store.
m_backingStore = ShareableBitmap::create(backingStoreHandle);
}
m_plugin->geometryDidChange(pluginSize, clipRect, pluginToRootViewTransform);
}示例5: decode
bool InteractionInformationAtPosition::decode(IPC::ArgumentDecoder& decoder, InteractionInformationAtPosition& result)
{
if (!decoder.decode(result.point))
return false;
if (!decoder.decode(result.nodeAtPositionIsAssistedNode))
return false;
if (!decoder.decode(result.isSelectable))
return false;
if (!decoder.decode(result.isNearMarkedText))
return false;
if (!decoder.decode(result.touchCalloutEnabled))
return false;
if (!decoder.decode(result.clickableElementName))
return false;
if (!decoder.decode(result.url))
return false;
if (!decoder.decode(result.title))
return false;
if (!decoder.decode(result.bounds))
return false;
ShareableBitmap::Handle handle;
if (!decoder.decode(handle))
return false;
if (!handle.isNull())
result.image = ShareableBitmap::create(handle, SharedMemory::Protection::ReadOnly);
return true;
}