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C++ QVectorPath::convertToPainterPath方法代码示例

本文整理汇总了C++中QVectorPath::convertToPainterPath方法的典型用法代码示例。如果您正苦于以下问题:C++ QVectorPath::convertToPainterPath方法的具体用法?C++ QVectorPath::convertToPainterPath怎么用?C++ QVectorPath::convertToPainterPath使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在QVectorPath的用法示例。


在下文中一共展示了QVectorPath::convertToPainterPath方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: stroke


//.........这里部分代码省略.........
                    types += 3;
                    flags |= QVectorPath::CurvedShapeMask;
                    break;
                default:
                    break;
                }
            }
            if (path.hasImplicitClose())
                d->activeStroker->lineTo(path.points()[0], path.points()[1]);

        } else {
            d->activeStroker->moveTo(points[0], points[1]);
            points += 2;
            while (points < lastPoint) {
                d->activeStroker->lineTo(points[0], points[1]);
                points += 2;
            }
            if (path.hasImplicitClose())
                d->activeStroker->lineTo(path.points()[0], path.points()[1]);
        }
        d->activeStroker->end();

        if (!d->strokeHandler->types.size()) // an empty path...
            return;

        QVectorPath strokePath(d->strokeHandler->pts.data(),
                               d->strokeHandler->types.size(),
                               d->strokeHandler->types.data(),
                               flags);
        fill(strokePath, pen.brush());
    } else {
        // For cosmetic pens we need a bit of trickery... We to process xform the input points
        if (state()->matrix.type() >= QTransform::TxProject) {
            QPainterPath painterPath = state()->matrix.map(path.convertToPainterPath());
            d->activeStroker->strokePath(painterPath, d->strokeHandler, QTransform());
        } else {
            d->activeStroker->setCurveThresholdFromTransform(QTransform());
            d->activeStroker->begin(d->strokeHandler);
            if (types) {
                while (points < lastPoint) {
                    switch (*types) {
                    case QPainterPath::MoveToElement: {
                        QPointF pt = (*(QPointF *) points) * state()->matrix;
                        d->activeStroker->moveTo(pt.x(), pt.y());
                        points += 2;
                        ++types;
                        break;
                    }
                    case QPainterPath::LineToElement: {
                        QPointF pt = (*(QPointF *) points) * state()->matrix;
                        d->activeStroker->lineTo(pt.x(), pt.y());
                        points += 2;
                        ++types;
                        break;
                    }
                    case QPainterPath::CurveToElement: {
                        QPointF c1 = ((QPointF *) points)[0] * state()->matrix;
                        QPointF c2 = ((QPointF *) points)[1] * state()->matrix;
                        QPointF e =  ((QPointF *) points)[2] * state()->matrix;
                        d->activeStroker->cubicTo(c1.x(), c1.y(), c2.x(), c2.y(), e.x(), e.y());
                        points += 6;
                        types += 3;
                        flags |= QVectorPath::CurvedShapeMask;
                        break;
                    }
                    default:
开发者ID:NikhilNJ,项目名称:screenplay-dx,代码行数:67,代码来源:qpaintengineex.cpp

示例2: endOutline

void QOutlineMapper::endOutline()
{
    closeSubpath();

    if (m_elements.isEmpty()) {
        memset(&m_outline, 0, sizeof(m_outline));
        return;
    }

    QPointF *elements = m_elements.data();

    // Transform the outline
    if (m_txop == QTransform::TxNone) {
        // Nothing to do.
    } else if (m_txop == QTransform::TxTranslate) {
        for (int i = 0; i < m_elements.size(); ++i) {
            QPointF &e = elements[i];
            e = QPointF(e.x() + m_dx, e.y() + m_dy);
        }
    } else if (m_txop == QTransform::TxScale) {
        for (int i = 0; i < m_elements.size(); ++i) {
            QPointF &e = elements[i];
            e = QPointF(m_m11 * e.x() + m_dx, m_m22 * e.y() + m_dy);
        }
    } else if (m_txop < QTransform::TxProject) {
        for (int i = 0; i < m_elements.size(); ++i) {
            QPointF &e = elements[i];
            e = QPointF(m_m11 * e.x() + m_m21 * e.y() + m_dx,
                        m_m22 * e.y() + m_m12 * e.x() + m_dy);
        }
    } else {
        const QVectorPath vp((qreal *)elements, m_elements.size(),
                             m_element_types.size() ? m_element_types.data() : 0);
        QPainterPath path = vp.convertToPainterPath();
        path = QTransform(m_m11, m_m12, m_m13, m_m21, m_m22, m_m23, m_dx, m_dy, m_m33).map(path);
        if (!(m_outline.flags & QT_FT_OUTLINE_EVEN_ODD_FILL))
            path.setFillRule(Qt::WindingFill);
        uint old_txop = m_txop;
        m_txop = QTransform::TxNone;
        if (path.isEmpty())
            m_valid = false;
        else
            convertPath(path);
        m_txop = old_txop;
        return;
    }

    if (m_round_coords) {
        // round coordinates to match outlines drawn with drawLine_midpoint_i
        for (int i = 0; i < m_elements.size(); ++i)
            elements[i] = QPointF(qFloor(elements[i].x() + aliasedCoordinateDelta),
                                  qFloor(elements[i].y() + aliasedCoordinateDelta));
    }

    controlPointRect = boundingRect(elements, m_elements.size());

#ifdef QT_DEBUG_CONVERT
    printf(" - control point rect (%.2f, %.2f) %.2f x %.2f, clip=(%d,%d, %dx%d)\n",
           controlPointRect.x(), controlPointRect.y(),
           controlPointRect.width(), controlPointRect.height(),
           m_clip_rect.x(), m_clip_rect.y(), m_clip_rect.width(), m_clip_rect.height());
#endif


    // Check for out of dev bounds...
    const bool do_clip = !m_in_clip_elements && ((controlPointRect.left() < -QT_RASTER_COORD_LIMIT
                          || controlPointRect.right() > QT_RASTER_COORD_LIMIT
                          || controlPointRect.top() < -QT_RASTER_COORD_LIMIT
                          || controlPointRect.bottom() > QT_RASTER_COORD_LIMIT
                          || controlPointRect.width() > QT_RASTER_COORD_LIMIT
                          || controlPointRect.height() > QT_RASTER_COORD_LIMIT));

    if (do_clip) {
        clipElements(elements, elementTypes(), m_elements.size());
    } else {
        convertElements(elements, elementTypes(), m_elements.size());
    }
}
开发者ID:KDE,项目名称:android-qt5-qtbase,代码行数:78,代码来源:qoutlinemapper.cpp


注:本文中的QVectorPath::convertToPainterPath方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。