C++ (Cpp) paintGraphicsLayerContents Examples

Example #1

File: WebGraphicsLayer.cpp Project: ruizhang331/WebKit

void WebGraphicsLayer::tiledBackingStorePaint(GraphicsContext* context, const IntRect& rect)
{
    if (rect.isEmpty())
        return;
    m_modified = true;
    paintGraphicsLayerContents(*context, rect);
}

Example #2

File: GraphicsLayerTextureMapper.cpp Project: jiezh/h5vcc

void GraphicsLayerTextureMapper::prepareBackingStore()
{
    TextureMapper* textureMapper = m_layer->textureMapper();
    if (!textureMapper)
        return;

    if (!shouldHaveBackingStore()) {
        m_backingStore.clear();
        return;
    }

    IntRect dirtyRect = enclosingIntRect(FloatRect(FloatPoint::zero(), m_size));
    if (!m_needsDisplay)
        dirtyRect.intersect(enclosingIntRect(m_needsDisplayRect));
    if (dirtyRect.isEmpty())
        return;

    if (!m_backingStore)
        m_backingStore = TextureMapperTiledBackingStore::create();

#if PLATFORM(QT)
    ASSERT(dynamic_cast<TextureMapperTiledBackingStore*>(m_backingStore.get()));
#endif
    TextureMapperTiledBackingStore* backingStore = static_cast<TextureMapperTiledBackingStore*>(m_backingStore.get());

    if (isShowingRepaintCounter())
        incrementRepaintCount();

    // Paint into an intermediate buffer to avoid painting content more than once.
    bool paintOnce = true;
    const IntSize maxTextureSize = textureMapper->maxTextureSize();
    // We need to paint directly if the dirty rect exceeds one of the maximum dimensions.
    if (dirtyRect.width() > maxTextureSize.width() || dirtyRect.height() > maxTextureSize.height())
        paintOnce = false;

    if (paintOnce) {
        OwnPtr<ImageBuffer> imageBuffer = ImageBuffer::create(dirtyRect.size());
        GraphicsContext* context = imageBuffer->context();
        context->setImageInterpolationQuality(textureMapper->imageInterpolationQuality());
        context->setTextDrawingMode(textureMapper->textDrawingMode());
        context->translate(-dirtyRect.x(), -dirtyRect.y());
        paintGraphicsLayerContents(*context, dirtyRect);

        if (isShowingRepaintCounter())
            drawRepaintCounter(context);

        RefPtr<Image> image = imageBuffer->copyImage(DontCopyBackingStore);
        backingStore->updateContents(textureMapper, image.get(), m_size, dirtyRect, BitmapTexture::UpdateCanModifyOriginalImageData);
    } else
        backingStore->updateContents(textureMapper, this, m_size, dirtyRect, BitmapTexture::UpdateCanModifyOriginalImageData);

    backingStore->setShowDebugBorders(isShowingDebugBorder());
    backingStore->setDebugBorder(m_debugBorderColor, m_debugBorderWidth);

    m_needsDisplay = false;
    m_needsDisplayRect = IntRect();
}

Example #3

bool GraphicsLayerAndroid::paintContext(SkPicture* context,
                                        const IntRect& rect)
{
    SkAutoPictureRecord arp(context, rect.width(), rect.height());
    SkCanvas* canvas = arp.getRecordingCanvas();

    if (!canvas)
        return false;

    PlatformGraphicsContext platformContext(canvas);
    GraphicsContext graphicsContext(&platformContext);

    paintGraphicsLayerContents(graphicsContext, rect);
    return true;
}

Example #4

void GraphicsLayerChromium::paintContents(GraphicsContext& context, const IntRect& clip)
{
    paintGraphicsLayerContents(context, clip);
}

Example #5

void GraphicsLayerClutter::platformClutterLayerPaintContents(GraphicsContext& context, const IntRect& clip)
{
    paintGraphicsLayerContents(context, clip);
}

Example #6

void GraphicsLayerChromium::paint(GraphicsContext& context, const IntRect& clip)
{
    context.platformContext()->setDrawingToImageBuffer(true);
    paintGraphicsLayerContents(context, clip);
}

Example #7

File: CoordinatedGraphicsLayer.cpp Project: Wrichik1999/webkit

void CoordinatedGraphicsLayer::tiledBackingStorePaint(GraphicsContext* context, const IntRect& rect)
{
    if (rect.isEmpty())
        return;
    paintGraphicsLayerContents(*context, rect);
}