示例#1
0
void KoPatternBackground::paint(QPainter &painter, const KoViewConverter &converter, KoShapePaintingContext &/*context*/, const QPainterPath &fillPath) const
{
    Q_D(const KoPatternBackground);
    if (! d->imageData)
        return;

    painter.save();

    if (d->repeat == Tiled) {
        // calculate scaling of pixmap
        QSizeF targetSize = d->targetSize();
        QSizeF imageSize = d->imageData->imageSize();
        qreal scaleX = targetSize.width() / imageSize.width();
        qreal scaleY = targetSize.height() / imageSize.height();

        QRectF targetRect = fillPath.boundingRect();
        // undo scaling on target rectangle
        targetRect.setWidth(targetRect.width() / scaleX);
        targetRect.setHeight(targetRect.height() / scaleY);

        // determine pattern offset
        QPointF offset = d->offsetFromRect(targetRect, imageSize);

        // create matrix for pixmap scaling
        QTransform matrix;
        matrix.scale(scaleX, scaleY);

        painter.setClipPath(fillPath);
        painter.setWorldTransform(matrix, true);
        painter.drawTiledPixmap(targetRect, d->imageData->pixmap(imageSize.toSize()), -offset);
    } else if (d->repeat == Original) {
        QRectF sourceRect(QPointF(0, 0), d->imageData->imageSize());
        QRectF targetRect(QPoint(0, 0), d->targetSize());
        targetRect.moveCenter(fillPath.boundingRect().center());
        painter.setClipPath(fillPath);
        painter.drawPixmap(targetRect, d->imageData->pixmap(sourceRect.size().toSize()), sourceRect);
    } else if (d->repeat == Stretched) {
        painter.setClipPath(fillPath);
        // undo conversion of the scaling so that we can use a nicely scaled image of the correct size
        qreal zoomX, zoomY;
        converter.zoom(&zoomX, &zoomY);
        zoomX = zoomX ? 1 / zoomX : zoomX;
        zoomY = zoomY ? 1 / zoomY : zoomY;
        painter.scale(zoomX, zoomY);

        QRectF targetRect = converter.documentToView(fillPath.boundingRect());
        painter.drawPixmap(targetRect.topLeft(), d->imageData->pixmap(targetRect.size().toSize()));
    }

    painter.restore();
}
示例#2
0
void Legend::paint(QPainter &painter, const KoViewConverter &converter, KoShapePaintingContext &paintContext)
{
    //painter.save();

    // First of all, scale the painter's coordinate system to fit the current zoom level
    applyConversion(painter, converter);

    // Calculate the clipping rect
    QRectF paintRect = QRectF(QPointF(0, 0), size());
    //clipRect.intersect(paintRect);
    painter.setClipRect(paintRect, Qt::IntersectClip);

    // Get the current zoom level
    QPointF zoomLevel;
    converter.zoom(&zoomLevel.rx(), &zoomLevel.ry());

    // Only repaint the pixmap if it is scheduled, the zoom level changed or the shape was resized
    /*if (   d->pixmapRepaintRequested
         || d->lastZoomLevel != zoomLevel
         || d->lastSize      != size()) {
        // TODO: What if two zoom levels are constantly being requested?
        // At the moment, this *is* the case, due to the fact
        // that the shape is also rendered in the page overview
        // in Stage
        // Every time the window is hidden and shown again, a repaint is
        // requested --> laggy performance, especially when quickly
        // switching through windows
        d->pixmapRepaintRequested = false;
        d->lastZoomLevel = zoomLevel;
        d->lastSize      = size();

        paintPixmap(painter, converter);
    }*/

    // Paint the background
    if (background()) {
        QPainterPath p;
        p.addRect(paintRect);
        background()->paint(painter, converter, paintContext, p);
    }

    // KChart thinks in pixels, Calligra in pt
    ScreenConversions::scaleFromPtToPx(painter);

    d->kdLegend->paint(&painter);

    //painter.restore();
    // Paint the cached pixmap
    //painter.drawImage(0, 0, d->image);
}