C++ (Cpp) KoPathShape::removePoint示例

示例#1

void KoPathPointInsertCommand::undo()
{
    QUndoCommand::undo();
    for (int i = 0; i < m_pointDataList.size(); ++i) {
        const KoPathPointData &pdBefore = m_pointDataList.at(i);
        KoPathShape * pathShape = pdBefore.pathShape;
        KoPathPointIndex piAfter = pdBefore.pointIndex;
        ++piAfter.second;

        KoPathPoint * before = pathShape->pointByIndex(pdBefore.pointIndex);

        m_points[i] = pathShape->removePoint(piAfter);

        if (m_points[i]->properties() & KoPathPoint::CloseSubpath) {
            piAfter.second = 0;
        }

        KoPathPoint * after = pathShape->pointByIndex(piAfter);

        if (before->activeControlPoint2()) {
            QPointF controlPoint2 = before->controlPoint2();
            qSwap(controlPoint2, m_controlPoints[i].first);
            before->setControlPoint2(controlPoint2);
        }

        if (after->activeControlPoint1()) {
            QPointF controlPoint1 = after->controlPoint1();
            qSwap(controlPoint1, m_controlPoints[i].second);
            after->setControlPoint1(controlPoint1);
        }
        pathShape->update();
    }
    m_deletePoints = true;
}

示例#2

文件： KoPathBreakAtPointCommand.cpp 项目： abhishekmurthy/Calligra

void KoPathBreakAtPointCommand::undo()
{
    KUndo2Command::undo();
    KoPathShape * lastPathShape = 0;

    for (int i = 0; i < m_pointDataList.size(); ++i) {
        const KoPathPointData & pd = m_pointDataList.at(i);
        KoPathShape * pathShape = pd.pathShape;
        KoPathPointIndex pointIndex = pd.pointIndex;
        ++pointIndex.second;
        if (m_closedIndex.at(i).first != -1) {
            m_closedIndex[i] = pathShape->closeSubpath(m_closedIndex.at(i));
        } else {
            pointIndex.second = pointIndex.second + m_closedIndex.at(i).second;
            pathShape->join(pd.pointIndex.first);
        }
        m_points[i] = pathShape->removePoint(pointIndex);

        if (lastPathShape != pathShape) {
            if (lastPathShape) {
                lastPathShape->update();
            }
            lastPathShape = pathShape;
        }
    }
    if (lastPathShape) {
        lastPathShape->update();
    }

    m_deletePoints = true;
}