C++ (Cpp) HTMLCanvasElement::renderingContextの例

コード例 #1

ファイル: RenderHTMLCanvas.cpp プロジェクト: 1833183060/wke

bool RenderHTMLCanvas::requiresLayer() const
{
    if (RenderReplaced::requiresLayer())
        return true;
    
    HTMLCanvasElement* canvas = static_cast<HTMLCanvasElement*>(node());
    return canvas && canvas->renderingContext() && canvas->renderingContext()->isAccelerated();
}

コード例 #2

ファイル: RenderHTMLCanvas.cpp プロジェクト: RobinWuDev/Qt

CompositingReasons RenderHTMLCanvas::additionalCompositingReasons() const
{
    HTMLCanvasElement* canvas = toHTMLCanvasElement(node());
    if (canvas->renderingContext() && canvas->renderingContext()->isAccelerated())
        return CompositingReasonCanvas;

    return CompositingReasonNone;
}

コード例 #3

ファイル: RenderHTMLCanvas.cpp プロジェクト: ericwilligers/blink

CompositingReasons RenderHTMLCanvas::additionalCompositingReasons(CompositingTriggerFlags triggers) const
{
    if (!(triggers & CanvasTrigger))
        return CompositingReasonNone;

    HTMLCanvasElement* canvas = toHTMLCanvasElement(node());
    if (canvas->renderingContext() && canvas->renderingContext()->isAccelerated())
        return CompositingReasonCanvas;

    return CompositingReasonNone;
}

コード例 #4

void InspectorCanvasAgent::findFramesWithUninstrumentedCanvases()
{
    class NodeVisitor : public WrappedNodeVisitor {
    public:
        NodeVisitor(Page* page, FramesWithUninstrumentedCanvases& result)
            : m_page(page)
            , m_framesWithUninstrumentedCanvases(result)
        {
        }

        virtual void visitNode(Node* node) OVERRIDE
        {
            if (!node->hasTagName(HTMLNames::canvasTag) || !node->document() || !node->document()->frame())
                return;
            
            Frame* frame = node->document()->frame();
            if (frame->page() != m_page)
                return;

            HTMLCanvasElement* canvas = static_cast<HTMLCanvasElement*>(node);
            if (canvas->renderingContext())
                m_framesWithUninstrumentedCanvases.set(frame, true);
        }

    private:

コード例 #5

ファイル: JSHTMLCanvasElementCustom.cpp プロジェクト: 0omega/platform_external_webkit

void JSHTMLCanvasElement::markChildren(MarkStack& markStack)
{
    Base::markChildren(markStack);

    HTMLCanvasElement* canvas = static_cast<HTMLCanvasElement*>(impl());
    JSGlobalData& globalData = *Heap::heap(this)->globalData();

    markDOMObjectWrapper(markStack, globalData, canvas->renderingContext());
}