C++ ImageGenerator::IsValid方法代码示例

本文整理汇总了C++中xn::ImageGenerator::IsValid方法的典型用法代码示例。如果您正苦于以下问题：C++ ImageGenerator::IsValid方法的具体用法？C++ ImageGenerator::IsValid怎么用？C++ ImageGenerator::IsValid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类xn::ImageGenerator的用法示例。

在下文中一共展示了ImageGenerator::IsValid方法的6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: setCommonProperty

bool CvCapture_OpenNI::setCommonProperty( int propIdx, double propValue )
{
    bool isSet = false;

    switch( propIdx )
    {
    // There is a set of properties that correspond to depth generator by default
    // (is they are pass without particular generator flag).
    case CV_CAP_PROP_OPENNI_REGISTRATION:
        isSet = setDepthGeneratorProperty( propIdx, propValue );
        break;
    case CV_CAP_PROP_OPENNI_APPROX_FRAME_SYNC :
        if( propValue && depthGenerator.IsValid() && imageGenerator.IsValid() )
        {
            // start synchronization
            if( approxSyncGrabber.empty() )
            {
                approxSyncGrabber = new ApproximateSyncGrabber( context, depthGenerator, imageGenerator, maxBufferSize, isCircleBuffer, maxTimeDuration );
            }
            else
            {
                approxSyncGrabber->finish();

                // update params
                approxSyncGrabber->setMaxBufferSize(maxBufferSize);
                approxSyncGrabber->setIsCircleBuffer(isCircleBuffer);
                approxSyncGrabber->setMaxTimeDuration(maxTimeDuration);
            }
            approxSyncGrabber->start();
        }
        else if( !propValue && !approxSyncGrabber.empty() )
        {
            // finish synchronization
            approxSyncGrabber->finish();
        }
        break;
    case CV_CAP_PROP_OPENNI_MAX_BUFFER_SIZE :
        maxBufferSize = cvRound(propValue);
        if( !approxSyncGrabber.empty() )
            approxSyncGrabber->setMaxBufferSize(maxBufferSize);
        break;
    case CV_CAP_PROP_OPENNI_CIRCLE_BUFFER :
        if( !approxSyncGrabber.empty() )
            approxSyncGrabber->setIsCircleBuffer(isCircleBuffer);
        break;
    case CV_CAP_PROP_OPENNI_MAX_TIME_DURATION :
        maxTimeDuration = cvRound(propValue);
        if( !approxSyncGrabber.empty() )
            approxSyncGrabber->setMaxTimeDuration(maxTimeDuration);
        break;
    default:
    {
        std::stringstream ss;
        ss << "Such parameter (propIdx=" << propIdx << ") isn't supported for setting.\n";
        CV_Error( CV_StsBadArg, ss.str().c_str() );
    }
    }

    return isSet;
}

开发者ID:AndreSteenveld，项目名称:opencv，代码行数:60，代码来源:cap_openni.cpp

示例2: grabFrame

bool CvCapture_OpenNI::grabFrame()
{
    if( !isOpened() )
        return false;

    bool isGrabbed = false;
    if( !approxSyncGrabber.empty() && approxSyncGrabber->isRun() )
    {
        isGrabbed = approxSyncGrabber->grab( depthMetaData, imageMetaData );
    }
    else
    {
        XnStatus status = context.WaitAndUpdateAll();
        if( status != XN_STATUS_OK )
            return false;

        if( depthGenerator.IsValid() )
            depthGenerator.GetMetaData( depthMetaData );
        if( imageGenerator.IsValid() )
            imageGenerator.GetMetaData( imageMetaData );
        isGrabbed = true;
    }

    return isGrabbed;
}

开发者ID:AndreSteenveld，项目名称:opencv，代码行数:25，代码来源:cap_openni.cpp

示例3: setImageGeneratorProperty

bool CvCapture_OpenNI::setImageGeneratorProperty( int propIdx, double propValue )
{
    bool isSet = false;
    if( !imageGenerator.IsValid() )
        return isSet;

    switch( propIdx )
    {
    case CV_CAP_PROP_OPENNI_OUTPUT_MODE :
    {
        XnMapOutputMode mode;

        switch( cvRound(propValue) )
        {
        case CV_CAP_OPENNI_VGA_30HZ :
            mode.nXRes = XN_VGA_X_RES;
            mode.nYRes = XN_VGA_Y_RES;
            mode.nFPS = 30;
            break;
        case CV_CAP_OPENNI_SXGA_15HZ :
            mode.nXRes = XN_SXGA_X_RES;
            mode.nYRes = XN_SXGA_Y_RES;
            mode.nFPS = 15;
            break;
        case CV_CAP_OPENNI_SXGA_30HZ :
            mode.nXRes = XN_SXGA_X_RES;
            mode.nYRes = XN_SXGA_Y_RES;
            mode.nFPS = 30;
            break;
        case CV_CAP_OPENNI_QVGA_30HZ :
             mode.nXRes = XN_QVGA_X_RES;
             mode.nYRes = XN_QVGA_Y_RES;
             mode.nFPS = 30;
             break;
        case CV_CAP_OPENNI_QVGA_60HZ :
             mode.nXRes = XN_QVGA_X_RES;
             mode.nYRes = XN_QVGA_Y_RES;
             mode.nFPS = 60;
             break;
        default :
            CV_Error( CV_StsBadArg, "Unsupported image generator output mode.\n");
        }

        XnStatus status = imageGenerator.SetMapOutputMode( mode );
        if( status != XN_STATUS_OK )
            std::cerr << "CvCapture_OpenNI::setImageGeneratorProperty : " << xnGetStatusString(status) << std::endl;
        else
            isSet = true;
        break;
    }
    default:
    {
        std::stringstream ss;
        ss << "Image generator does not support such parameter (propIdx=" << propIdx << ") for setting.\n";
        CV_Error( CV_StsBadArg, ss.str().c_str() );
    }
    }

    return isSet;
}

开发者ID:AndreSteenveld，项目名称:opencv，代码行数:60，代码来源:cap_openni.cpp

示例4: getImageGeneratorProperty

double CvCapture_OpenNI::getImageGeneratorProperty( int propIdx )
{
    double propValue = 0.;
    if( !imageGenerator.IsValid() )
        return propValue;

    XnMapOutputMode mode;
    switch( propIdx )
    {
    case CV_CAP_PROP_OPENNI_GENERATOR_PRESENT :
        CV_DbgAssert( imageGenerator.IsValid() );
        propValue = 1.;
        break;
    case CV_CAP_PROP_FRAME_WIDTH :
        if( imageGenerator.GetMapOutputMode(mode) == XN_STATUS_OK )
            propValue = mode.nXRes;
        break;
    case CV_CAP_PROP_FRAME_HEIGHT :
        if( imageGenerator.GetMapOutputMode(mode) == XN_STATUS_OK )
            propValue = mode.nYRes;
        break;
    case CV_CAP_PROP_FPS :
        if( imageGenerator.GetMapOutputMode(mode) == XN_STATUS_OK )
            propValue = mode.nFPS;
        break;
    case CV_CAP_PROP_POS_MSEC :
        propValue = imageGenerator.GetTimestamp();
        break;
    case CV_CAP_PROP_POS_FRAMES :
        propValue = imageGenerator.GetFrameID();
        break;
    default :
    {
        std::stringstream ss;
        ss << "Image generator does not support such parameter (propIdx=" << propIdx << ") for getting.\n";
        CV_Error( CV_StsBadArg, ss.str().c_str() );
    }
    }

    return propValue;
}

开发者ID:AndreSteenveld，项目名称:opencv，代码行数:41，代码来源:cap_openni.cpp

示例5: setDepthGeneratorProperty

bool CvCapture_OpenNI::setDepthGeneratorProperty( int propIdx, double propValue )
{
    bool isSet = false;

    CV_Assert( depthGenerator.IsValid() );

    switch( propIdx )
    {
    case CV_CAP_PROP_OPENNI_REGISTRATION:
        {
            if( propValue != 0.0 ) // "on"
            {
                // if there isn't image generator (i.e. ASUS XtionPro doesn't have it)
                // then the property isn't avaliable
                if( imageGenerator.IsValid() )
                {
                    if( !depthGenerator.GetAlternativeViewPointCap().IsViewPointAs(imageGenerator) )
                    {
                        if( depthGenerator.GetAlternativeViewPointCap().IsViewPointSupported(imageGenerator) )
                        {
                            XnStatus status = depthGenerator.GetAlternativeViewPointCap().SetViewPoint(imageGenerator);
                            if( status != XN_STATUS_OK )
                                std::cerr << "CvCapture_OpenNI::setDepthGeneratorProperty : " << xnGetStatusString(status) << std::endl;
                            else
                                isSet = true;
                        }
                        else
                            std::cerr << "CvCapture_OpenNI::setDepthGeneratorProperty : Unsupported viewpoint." << std::endl;
                    }
                    else
                        isSet = true;
                }
            }
            else // "off"
            {
                XnStatus status = depthGenerator.GetAlternativeViewPointCap().ResetViewPoint();
                if( status != XN_STATUS_OK )
                    std::cerr << "CvCapture_OpenNI::setDepthGeneratorProperty : " << xnGetStatusString(status) << std::endl;
                else
                    isSet = true;
            }
        }
        break;
    default:
    {
        std::stringstream ss;
        ss << "Depth generator does not support such parameter (propIdx=" << propIdx << ") for setting.\n";
        CV_Error( CV_StsBadArg, ss.str().c_str() );
    }
    }

    return isSet;
}

开发者ID:AndreSteenveld，项目名称:opencv，代码行数:53，代码来源:cap_openni.cpp

示例6: changeRegistration

void changeRegistration(int nValue)
{
	if (!g_DepthGenerator.IsValid() || !g_DepthGenerator.IsCapabilitySupported(XN_CAPABILITY_ALTERNATIVE_VIEW_POINT))
	{
		return;
	}

	if(!nValue)
	{
		g_DepthGenerator.GetAlternativeViewPointCap().ResetViewPoint();
	}
	else if (g_ImageGenerator.IsValid())
	{
		g_DepthGenerator.GetAlternativeViewPointCap().SetViewPoint(g_ImageGenerator);
	}
}

开发者ID:ZewiHugo，项目名称:UserTracker_modified，代码行数:16，代码来源:main.cpp

注：本文中的xn::ImageGenerator::IsValid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。