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C++ WaveformWidgetAbstract::render方法代码示例

本文整理汇总了C++中WaveformWidgetAbstract::render方法的典型用法代码示例。如果您正苦于以下问题:C++ WaveformWidgetAbstract::render方法的具体用法?C++ WaveformWidgetAbstract::render怎么用?C++ WaveformWidgetAbstract::render使用的例子?那么恭喜您, 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WaveformWidgetAbstract的用法示例。


在下文中一共展示了WaveformWidgetAbstract::render方法的1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: render

void WaveformWidgetFactory::render() {
    ScopedTimer t(QString("WaveformWidgetFactory::render() %1waveforms")
            .arg(m_waveformWidgetHolders.size()));

    //int paintersSetupTime0 = 0;
    //int paintersSetupTime1 = 0;

    if (!m_skipRender) {
        if (m_type) {   // no regular updates for an empty waveform
            // next rendered frame is displayed after next buffer swap and than after VSync
            for (int i = 0; i < m_waveformWidgetHolders.size(); i++) {
                // Calculate play position for the new Frame in following run
                m_waveformWidgetHolders[i].m_waveformWidget->preRender(m_vsyncThread);
            }
            //qDebug() << "prerender" << m_vsyncThread->elapsed();

            // It may happen that there is an artificially delayed due to
            // anti tearing driver settings
            // all render commands are delayed until the swap from the previous run is executed
            for (int i = 0; i < m_waveformWidgetHolders.size(); i++) {
                WaveformWidgetAbstract* pWaveformWidget = m_waveformWidgetHolders[i].m_waveformWidget;
                if (pWaveformWidget->getWidth() > 0 &&
                        pWaveformWidget->getWidget()->isVisible()) {
                    (void)pWaveformWidget->render();
                }
                // qDebug() << "render" << i << m_vsyncThread->elapsed();
            }
        }

        // Notify all other waveform-like widgets (e.g. WSpinny's) that they should
        // update.
        //int t1 = m_vsyncThread->elapsed();
        emit(waveformUpdateTick());
        //qDebug() << "emit" << m_vsyncThread->elapsed() - t1;

        m_frameCnt += 1.0;
        int timeCnt = m_time.elapsed();
        if (timeCnt > 1000) {
            m_time.start();
            m_frameCnt = m_frameCnt * 1000 / timeCnt; // latency correction
            emit(waveformMeasured(m_frameCnt, m_vsyncThread->rtErrorCnt()));
            m_frameCnt = 0.0;
        }
    }
    //qDebug() << "refresh end" << m_vsyncThread->elapsed();
    m_vsyncThread->vsyncSlotFinished();
}
开发者ID:rsc449,项目名称:mixxx,代码行数:47,代码来源:waveformwidgetfactory.cpp


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