mitk的渲染窗口类QmitkRenderWindow分析

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首先他继承自public QVTKWidget, public mitk::RenderWindowBase这两个类

切换鼠标模式的代码在这里

void QmitkStdMultiWidget::SetWidgetPlaneMode(int userMode)
{
MITK_DEBUG << "Changing crosshair mode to " << userMode;

emit WidgetNotifyNewCrossHairMode(userMode);
// Convert user interface mode to actual mode
{
    switch (userMode)
    {
      case 0:
        m_MouseModeSwitcher->SetInteractionScheme(mitk::MouseModeSwitcher::InteractionScheme::MITK);
        break;
      case 1:
        m_MouseModeSwitcher->SetInteractionScheme(mitk::MouseModeSwitcher::InteractionScheme::ROTATION);
        break;

      case 2:
        m_MouseModeSwitcher->SetInteractionScheme(mitk::MouseModeSwitcher::InteractionScheme::ROTATIONLINKED);
        break;

      case 3:
        m_MouseModeSwitcher->SetInteractionScheme(mitk::MouseModeSwitcher::InteractionScheme::SWIVEL);
        break;
    }
}
}

void mitk::MouseModeSwitcher::SetInteractionScheme(InteractionScheme scheme)
{
switch (scheme)
{
    case MITK:
    {
      m_CurrentObserver->SetEventConfig("DisplayConfigMITK.xml");
    }
    break;
    case PACS:
    {
      m_CurrentObserver->SetEventConfig("DisplayConfigPACS.xml");
    }
    break;

    case ROTATION:
    {
      m_CurrentObserver->SetEventConfig("DisplayConfigMITKRotationUnCoupled.xml");
    }
    break;

    case ROTATIONLINKED:
    {
      m_CurrentObserver->SetEventConfig("DisplayConfigMITKRotation.xml");
    }
    break;

    case SWIVEL:
    {
      m_CurrentObserver->SetEventConfig("DisplayConfigMITKSwivel.xml");
    }
    break;
}
m_ActiveInteractionScheme = scheme;
this->InvokeEvent(MouseModeChangedEvent());
}

PlaneGeometryDataMapper2D

在进行mpor交互时负责线的绘制

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