C++ webcore::Image类代码示例

FixedBackgroundImageLayerAndroid::FixedBackgroundImageLayerAndroid(PassRefPtr<RenderStyle> aStyle,
                                                                   int w, int h)
    : LayerAndroid((RenderLayer*)0)
    , m_width(w)
    , m_height(h)
{
    RefPtr<RenderStyle> style = aStyle;
    FillLayer* layers = style->accessBackgroundLayers();
    StyleImage* styleImage = layers->image();
    CachedImage* cachedImage = static_cast<StyleCachedImage*>(styleImage)->cachedImage();
    WebCore::Image* image = cachedImage->image();
    setContentsImage(image->nativeImageForCurrentFrame());
    setSize(image->width(), image->height());

    setIntrinsicallyComposited(true);

    SkLength left, top;
    left = SkLength::convertLength(style->backgroundXPosition());
    top = SkLength::convertLength(style->backgroundYPosition());

    BackgroundImagePositioning* position = new BackgroundImagePositioning(this);
    position->setRepeatX(style->backgroundRepeatX() != WebCore::NoRepeatFill);
    position->setRepeatY(style->backgroundRepeatY() != WebCore::NoRepeatFill);

    setFixedPosition(position);
    position->setPosition(left, top);

#ifdef DEBUG_COUNT
    ClassTracker::instance()->increment("FixedBackgroundImageLayerAndroid");
#endif
}

/**
 * Query icon for given URL, returning associated cairo surface.
 *
 * @note in order to have this working, one must open icon database
 *       with ewk_settings_icon_database_path_set().
 *
 * @param url which url to query icon.
 *
 * @return cairo surface if any, or NULL on failure.
 */
cairo_surface_t* ewk_settings_icon_database_icon_surface_get(const char *url)
{
    EINA_SAFETY_ON_NULL_RETURN_VAL(url, 0);

    WebCore::KURL kurl(WebCore::KURL(), WebCore::String::fromUTF8(url));
    WebCore::Image *icon = WebCore::iconDatabase()->iconForPageURL(kurl.string(), WebCore::IntSize(16, 16));

    if (!icon) {
        ERR("no icon for url %s", url);
        return 0;
    }

    return icon->nativeImageForCurrentFrame();
}

WebImage WebElement::imageContents()
{
    if (isNull())
        return WebImage();

    WebCore::Image* image = unwrap<Element>()->imageContents();
    if (!image)
        return WebImage();

    RefPtr<NativeImageSkia> bitmap = image->nativeImageForCurrentFrame();
    if (!bitmap)
        return WebImage();

    return bitmap->bitmap();
}

Evas_Object* ewk_settings_icon_database_icon_object_get(const char* url, Evas* canvas)
{
    EINA_SAFETY_ON_NULL_RETURN_VAL(url, 0);
    EINA_SAFETY_ON_NULL_RETURN_VAL(canvas, 0);

    WebCore::KURL kurl(WebCore::KURL(), WTF::String::fromUTF8(url));
    WebCore::Image* icon = WebCore::iconDatabase().synchronousIconForPageURL(kurl.string(), WebCore::IntSize(16, 16));

    if (!icon) {
        ERR("no icon for url %s", url);
        return 0;
    }

    WebCore::NativeImageCairo* nativeImage = icon->nativeImageForCurrentFrame();
    return nativeImage ? ewk_util_image_from_cairo_surface_add(canvas, nativeImage->surface()) : 0;
}

/**
 * Create Evas_Object of type image representing the given URL.
 *
 * This is an utility function that creates an Evas_Object of type
 * image set to have fill always match object size
 * (evas_object_image_filled_add()), saving some code to use it from Evas.
 *
 * @note in order to have this working, one must open icon database
 *       with ewk_settings_icon_database_path_set().
 *
 * @param url which url to query icon.
 * @param canvas evas instance where to add resulting object.
 *
 * @return newly allocated Evas_Object instance or @c NULL on
 *         errors. Delete the object with evas_object_del().
 */
Evas_Object* ewk_settings_icon_database_icon_object_add(const char* url, Evas* canvas)
{
    EINA_SAFETY_ON_NULL_RETURN_VAL(url, 0);
    EINA_SAFETY_ON_NULL_RETURN_VAL(canvas, 0);

    WebCore::KURL kurl(WebCore::KURL(), WebCore::String::fromUTF8(url));
    WebCore::Image* icon = WebCore::iconDatabase()->iconForPageURL(kurl.string(), WebCore::IntSize(16, 16));
    cairo_surface_t* surface;

    if (!icon) {
        ERR("no icon for url %s", url);
        return 0;
    }

    surface = icon->nativeImageForCurrentFrame();
    return ewk_util_image_from_cairo_surface_add(canvas, surface);
}

QWebHitTestResultPrivate::QWebHitTestResultPrivate(const WebCore::HitTestResult &hitTest)
    : isContentEditable(false)
    , isContentSelected(false)
    , isScrollBar(false)
{
    if (!hitTest.innerNode())
        return;
    pos = hitTest.point();
    boundingRect = hitTest.boundingBox();
    title = hitTest.title();
    linkText = hitTest.textContent();
    linkUrl = hitTest.absoluteLinkURL();
    linkTitle = hitTest.titleDisplayString();
    alternateText = hitTest.altDisplayString();
    imageUrl = hitTest.absoluteImageURL();
    innerNode = hitTest.innerNode();
    innerNonSharedNode = hitTest.innerNonSharedNode();
    WebCore::Image *img = hitTest.image();
    if (img) {
        QPixmap *pix = img->nativeImageForCurrentFrame();
        if (pix)
            pixmap = *pix;
    }
    WebCore::Frame *wframe = hitTest.targetFrame();
    if (wframe)
        linkTargetFrame = QWebFramePrivate::kit(wframe);

    isContentEditable = hitTest.isContentEditable();
    isContentSelected = hitTest.isSelected();
    isScrollBar = hitTest.scrollbar();

    if (innerNonSharedNode && innerNonSharedNode->document()
        && innerNonSharedNode->document()->frame())
        frame = QWebFramePrivate::kit(innerNonSharedNode->document()->frame());

    if (Node *block = WebCore::enclosingBlock(innerNode.get())) {
        RenderObject *renderBlock = block->renderer();
        while (renderBlock && renderBlock->isListItem())
            renderBlock = renderBlock->containingBlock();

        if (renderBlock)
            enclosingBlock = renderBlock->absoluteClippedOverflowRect();
    }
}