C++ (Cpp) ImageBuffer::drawsUsingCopy示例

示例#1

文件： HTMLCanvasElement.cpp 项目： martende/phantomjs

void HTMLCanvasElement::paint(GraphicsContext* context, const IntRect& r)
{
    // Clear the dirty rect
    m_dirtyRect = FloatRect();

    if (context->paintingDisabled())
        return;
    
    if (m_context) {
        if (!m_context->paintsIntoCanvasBuffer())
            return;
        m_context->paintRenderingResultsToCanvas();
    }

    if (hasCreatedImageBuffer()) {
        ImageBuffer* imageBuffer = buffer();
        if (imageBuffer) {
            if (m_presentedImage)
                context->drawImage(m_presentedImage.get(), ColorSpaceDeviceRGB, r);
            else if (imageBuffer->drawsUsingCopy())
                context->drawImage(copiedImage(), ColorSpaceDeviceRGB, r);
            else
                context->drawImageBuffer(imageBuffer, ColorSpaceDeviceRGB, r);
        }
    }

#if ENABLE(WEBGL)    
    if (is3D())
        static_cast<WebGLRenderingContext*>(m_context.get())->markLayerComposited();
#endif
}

示例#2

文件： HTMLCanvasElement.cpp 项目： KaoTD/Nokia-RM-1013-2.0.0.11

void HTMLCanvasElement::paint(GraphicsContext* context, const IntRect& r)
{
    // Clear the dirty rect
    m_dirtyRect = FloatRect();

    if (context->paintingDisabled())
        return;

    if (m_context) {
        if (!m_context->paintsIntoCanvasBuffer())
            return;
        m_context->paintRenderingResultsToCanvas();
    }

    if (hasCreatedImageBuffer()) {
        ImageBuffer* imageBuffer = buffer();
        if (imageBuffer) {

            if(imageBuffer->drawsUsingRecording())
                return;

            if (m_presentedImage)
                context->drawImage(m_presentedImage.get(), ColorSpaceDeviceRGB, r);
            else if (imageBuffer->drawsUsingCopy())
                context->drawImage(copiedImage(), ColorSpaceDeviceRGB, r);
            else
                context->drawImageBuffer(imageBuffer, ColorSpaceDeviceRGB, r);
        }
    }

#if ENABLE(WEBGL)
    if (is3D())
        static_cast<WebGLRenderingContext*>(m_context.get())->markLayerComposited();
#endif
#if ENABLE(DASHBOARD_SUPPORT)
    Settings* settings = document()->settings();
    if (settings && settings->usesDashboardBackwardCompatibilityMode())
        setIeForbidsInsertHTML();
#endif
}

示例#3

文件： HTMLCanvasElement.cpp 项目： NewDreamUser2/webkit-webcl

void HTMLCanvasElement::paint(GraphicsContext* context, const IntRect& r)
{
    // Clear the dirty rect
    m_dirtyRect = FloatRect();

    if (context->paintingDisabled())
        return;
    
    if (m_context) {
        if (!m_context->paintsIntoCanvasBuffer())
            return;
        m_context->paintRenderingResultsToCanvas();
    }

    if (hasCreatedImageBuffer()) {
        ImageBuffer* imageBuffer = buffer();
        if (imageBuffer) {
            if (imageBuffer->drawsUsingCopy())
                context->drawImage(copiedImage(), ColorSpaceDeviceRGB, r);
            else
                context->drawImageBuffer(imageBuffer, ColorSpaceDeviceRGB, r);
        }
    }
}