QSGNode *CustomItem::updatePaintNode(QSGNode *node, QQuickItem::UpdatePaintNodeData *updateData)
{
    Q_UNUSED(updateData);

    QSGSimpleTextureNode *textureNode = static_cast<QSGSimpleTextureNode *>(node);
    if (!textureNode) {
        textureNode = new QSGSimpleTextureNode();
        QImage image(":/images/lady.png");
        m_texture = window()->createTextureFromImage(image);
        textureNode->setTexture(m_texture);}
        textureNode->setRect(0, 0, width(), height());
        textureNode->setFiltering(QSGTexture::Linear);

    return textureNode;

}
static PyObject *meth_QSGSimpleTextureNode_setFiltering(PyObject *sipSelf, PyObject *sipArgs)
{
    PyObject *sipParseErr = NULL;

    {
        QSGTexture::Filtering a0;
        QSGSimpleTextureNode *sipCpp;

        if (sipParseArgs(&sipParseErr, sipArgs, "BE", &sipSelf, sipType_QSGSimpleTextureNode, &sipCpp, sipType_QSGTexture_Filtering, &a0))
        {
            sipCpp->setFiltering(a0);

            Py_INCREF(Py_None);
            return Py_None;
        }
    }

    /* Raise an exception if the arguments couldn't be parsed. */
    sipNoMethod(sipParseErr, sipName_QSGSimpleTextureNode, sipName_setFiltering, doc_QSGSimpleTextureNode_setFiltering);

    return NULL;
}
示例#3
0
QSGNode *Renderer::paintNode(const QRectF& viewport) const {
  if (m_tiles.isEmpty()) {
    return 0;
  }

  QSGNode *parentNode = new QSGNode;

  for (const Tile& tile : m_tiles) {
    if (tile.visible) {
      QRectF rect = m_view->tileRect(tile);
      QSGSimpleTextureNode *node = new SimpleTextureNode;
      node->setFlag(QSGNode::OwnedByParent, true);
      node->setTexture(m_view->window()->createTextureFromImage(tile.image));
      node->setRect(rect);
      node->setFiltering(QSGTexture::Nearest);
      //      node->setOwnsTexture(true); // TODO: Qt 5.4

      qreal dx1 = rect.left() < viewport.left() ? viewport.left() - rect.left() : 0.0f;
      qreal dy1 = 0.0f;
      qreal dx2 = rect.right() > viewport.right() ? viewport.right() - rect.right() : 0.0f;
      qreal dy2 = rect.bottom() > viewport.bottom() ? viewport.bottom() - rect.bottom() : 0.0f;

      if (dx1 != 0.0f || dx2 != 0.0f || dy2 != 0.0f) {
	QSGClipNode *clip = new QSGClipNode;
	clip->setIsRectangular(true);
	clip->setClipRect(rect.adjusted(dx1, dy1, dx2, dy2));
	parentNode->appendChildNode(clip);
	clip->appendChildNode(node);
	//	qDebug() << "Clipping";
      } else {
	parentNode->appendChildNode(node);
      }
    }
  }

  return parentNode;
}
示例#4
0
QSGNode* QuickSubtitleItem::updatePaintNode(QSGNode *node, UpdatePaintNodeData *data)
{
    Q_UNUSED(data);
    if (m_w_sub == 0 || m_h_sub == 0) {
        return node;
    }
    QSGSimpleTextureNode *stn = static_cast<QSGSimpleTextureNode*>(node);
    if (!node) {
        node = new QSGSimpleTextureNode();
        stn = static_cast<QSGSimpleTextureNode*>(node);
        stn->setFiltering(QSGTexture::Linear);
    }
    stn->setRect(mapSubRect(m_rect, m_w_sub, m_h_sub));
    if (m_texture)
        delete m_texture;
    {
        QMutexLocker lock(&m_mutex);
        Q_UNUSED(lock);
        m_texture = window()->createTextureFromImage(m_image);
    }
    stn->setTexture(m_texture);
    node->markDirty(QSGNode::DirtyGeometry);
    return node;
}