예제 #1
0
void QSvgTinyDocument::draw(QPainter *p, const QString &id,
                            const QRectF &bounds)
{
    QSvgNode *node = scopeNode(id);

    if (!node) {
        qDebug("Couldn't find node %s. Skipping rendering.", qPrintable(id));
        return;
    }
    if (m_time.isNull()) {
        m_time.start();
    }

    if (node->displayMode() == QSvgNode::NoneMode)
        return;

    p->save();

    const QRectF elementBounds = node->transformedBounds();

    mapSourceToTarget(p, bounds, elementBounds);
    QTransform originalTransform = p->worldTransform();

    //XXX set default style on the painter
    QPen pen(Qt::NoBrush, 1, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
    pen.setMiterLimit(4);
    p->setPen(pen);
    p->setBrush(Qt::black);
    p->setRenderHint(QPainter::Antialiasing);
    p->setRenderHint(QPainter::SmoothPixmapTransform);

    QStack<QSvgNode*> parentApplyStack;
    QSvgNode *parent = node->parent();
    while (parent) {
        parentApplyStack.push(parent);
        parent = parent->parent();
    }

    for (int i = parentApplyStack.size() - 1; i >= 0; --i)
        parentApplyStack[i]->applyStyle(p, m_states);

    // Reset the world transform so that our parents don't affect
    // the position
    QTransform currentTransform = p->worldTransform();
    p->setWorldTransform(originalTransform);

    node->draw(p, m_states);

    p->setWorldTransform(currentTransform);

    for (int i = 0; i < parentApplyStack.size(); ++i)
        parentApplyStack[i]->revertStyle(p, m_states);

    //p->fillRect(bounds.adjusted(-5, -5, 5, 5), QColor(0, 0, 255, 100));

    p->restore();
}
예제 #2
0
QRectF QSvgNode::transformedBounds() const
{
    if (!m_cachedBounds.isEmpty())
        return m_cachedBounds;

    QImage dummy(1, 1, QImage::Format_RGB32);
    QPainter p(&dummy);
    QSvgExtraStates states;

    QPen pen(Qt::NoBrush, 1, Qt::SolidLine, Qt::FlatCap, Qt::SvgMiterJoin);
    pen.setMiterLimit(4);
    p.setPen(pen);

    QStack<QSvgNode*> parentApplyStack;
    QSvgNode *parent = m_parent;
    while (parent) {
        parentApplyStack.push(parent);
        parent = parent->parent();
    }

    for (int i = parentApplyStack.size() - 1; i >= 0; --i)
        parentApplyStack[i]->applyStyle(&p, states);
    
    p.setWorldTransform(QTransform());

    m_cachedBounds = transformedBounds(&p, states);
    return m_cachedBounds;
}
예제 #3
0
QMatrix QSvgTinyDocument::matrixForElement(const QString &id) const
{
    QSvgNode *node = scopeNode(id);

    if (!node) {
        qDebug("Couldn't find node %s. Skipping rendering.", qPrintable(id));
        return QMatrix();
    }

    QTransform t;

    node = node->parent();
    while (node) {
        if (node->m_style.transform)
            t *= node->m_style.transform->qtransform();
        node = node->parent();
    }
    
    return t.toAffine();
}
예제 #4
0
QSvgTinyDocument * QSvgNode::document() const
{
    QSvgTinyDocument *doc = 0;
    QSvgNode *node = const_cast<QSvgNode*>(this);
    while (node && node->type() != QSvgNode::DOC) {
        node = node->parent();
    }
    doc = static_cast<QSvgTinyDocument*>(node);

    return doc;
}
예제 #5
0
void QSvgTinyDocument::draw(QPainter *p, const QString &id,
                            const QRectF &boundingWindow)
{
    QSvgNode *node = scopeNode(id);

    if (!node) {
        qDebug("Couldn't find node %s. Skipping rendering.", qPrintable(id));
        return;
    }

    p->save();

    QMatrix matx = QMatrix();
    QRectF bounds = node->transformedBounds(matx);

    adjustWindowBounds(p, boundingWindow, bounds);
    matx = p->worldMatrix();

    //XXX set default style on the painter
    p->setPen(Qt::NoPen);
    p->setBrush(Qt::black);
    p->setRenderHint(QPainter::Antialiasing);
    p->setRenderHint(QPainter::SmoothPixmapTransform);

    QStack<QSvgNode*> parentApplyStack;
    QQueue<QSvgNode*> parentRevertQueue;
    QSvgNode *parent = node->parent();
    while (parent) {
        parentApplyStack.push(parent);
        parentRevertQueue.enqueue(parent);
        parent = parent->parent();
    }

    foreach(QSvgNode *par, parentApplyStack) {
        par->applyStyle(p);
    }