C++ (Cpp) KWPageManager::pagesの例

コード例 #1

ファイル: CSThumbProviderWords.cpp プロジェクト: KDE/calligra

QVector<QImage> CSThumbProviderWords::createThumbnails(const QSize &thumbSize)
{
    KWCanvasItem *canvasItem = static_cast<KWCanvasItem*>(m_doc->documentPart()->canvasItem(m_doc));
    KoZoomHandler zoomHandler;

    while (!m_doc->layoutFinishedAtleastOnce()) {
        QCoreApplication::processEvents();

        if (!QCoreApplication::hasPendingEvents())
            break;
    }

    KWPageManager *pageManager = m_doc->pageManager();
    KoShapeManager *shapeManager = canvasItem->shapeManager();

    QVector<QImage> thumbnails;

    foreach(const KWPage &page, pageManager->pages()) {

        QRectF pRect(page.rect());
        KoPageLayout layout;
        layout.width = pRect.width();
        layout.height = pRect.height();

        KoPAUtil::setZoom(layout, thumbSize, zoomHandler);
        QRect pageRect = KoPAUtil::pageRect(layout, thumbSize, zoomHandler);

        QImage thumbnail(thumbSize, QImage::Format_RGB32);
        thumbnail.fill(QColor(Qt::white).rgb());
        QPainter p(&thumbnail);

        QImage img = page.thumbnail(pageRect.size(), shapeManager);
        p.drawImage(pageRect, img);

        p.setPen(Qt::black);
        p.drawRect(pageRect);

        thumbnails.append(thumbnail);
    }

    return thumbnails;
}