ChPair getConversionInfo()

in modules/imgproc/perf/perf_cvt_color.cpp [127:238]

• 112 lines of code
• 170 McCabe index (conditional complexity)

ChPair getConversionInfo(int cvtMode)
{
    switch(cvtMode)
    {
    case COLOR_BayerBG2GRAY: case COLOR_BayerGB2GRAY:
    case COLOR_BayerGR2GRAY: case COLOR_BayerRG2GRAY:
    case COLOR_YUV2GRAY_420:
        return ChPair(1,1);
    case COLOR_GRAY2BGR555: case COLOR_GRAY2BGR565:
        return ChPair(1,2);
    case COLOR_BayerBG2BGR: case COLOR_BayerBG2BGR_VNG:
    case COLOR_BayerGB2BGR: case COLOR_BayerGB2BGR_VNG:
    case COLOR_BayerGR2BGR: case COLOR_BayerGR2BGR_VNG:
    case COLOR_BayerRG2BGR: case COLOR_BayerRG2BGR_VNG:
    case COLOR_GRAY2BGR:
    case COLOR_YUV2BGR_NV12: case COLOR_YUV2RGB_NV12:
    case COLOR_YUV2BGR_NV21: case COLOR_YUV2RGB_NV21:
    case COLOR_YUV2BGR_YV12: case COLOR_YUV2RGB_YV12:
    case COLOR_YUV2BGR_IYUV: case COLOR_YUV2RGB_IYUV:
        return ChPair(1,3);
    case COLOR_GRAY2BGRA:
    case COLOR_YUV2BGRA_NV12: case COLOR_YUV2RGBA_NV12:
    case COLOR_YUV2BGRA_NV21: case COLOR_YUV2RGBA_NV21:
    case COLOR_YUV2BGRA_YV12: case COLOR_YUV2RGBA_YV12:
    case COLOR_YUV2BGRA_IYUV: case COLOR_YUV2RGBA_IYUV:
        return ChPair(1,4);
    case COLOR_BGR5552GRAY: case COLOR_BGR5652GRAY:
        return ChPair(2,1);
    case COLOR_BGR5552BGR: case COLOR_BGR5552RGB:
    case COLOR_BGR5652BGR: case COLOR_BGR5652RGB:
    case COLOR_YUV2RGB_UYVY: case COLOR_YUV2BGR_UYVY:
    case COLOR_YUV2RGB_YUY2: case COLOR_YUV2BGR_YUY2:
    case COLOR_YUV2RGB_YVYU: case COLOR_YUV2BGR_YVYU:
        return ChPair(2,3);
    case COLOR_BGR5552BGRA: case COLOR_BGR5552RGBA:
    case COLOR_BGR5652BGRA: case COLOR_BGR5652RGBA:
    case COLOR_YUV2RGBA_UYVY: case COLOR_YUV2BGRA_UYVY:
    case COLOR_YUV2RGBA_YUY2: case COLOR_YUV2BGRA_YUY2:
    case COLOR_YUV2RGBA_YVYU: case COLOR_YUV2BGRA_YVYU:
        return ChPair(2,4);
    case COLOR_BGR2GRAY: case COLOR_RGB2GRAY:
    case COLOR_RGB2YUV_IYUV: case COLOR_RGB2YUV_YV12:
    case COLOR_BGR2YUV_IYUV: case COLOR_BGR2YUV_YV12:
        return ChPair(3,1);
    case COLOR_BGR2BGR555: case COLOR_BGR2BGR565:
    case COLOR_RGB2BGR555: case COLOR_RGB2BGR565:
        return ChPair(3,2);
    case COLOR_BGR2HLS: case COLOR_BGR2HLS_FULL:
    case COLOR_BGR2HSV: case COLOR_BGR2HSV_FULL:
    case COLOR_BGR2Lab: case COLOR_BGR2Luv:
    case COLOR_BGR2RGB: case COLOR_BGR2XYZ:
    case COLOR_BGR2YCrCb: case COLOR_BGR2YUV:
    case COLOR_HLS2BGR: case COLOR_HLS2BGR_FULL:
    case COLOR_HLS2RGB: case COLOR_HLS2RGB_FULL:
    case COLOR_HSV2BGR: case COLOR_HSV2BGR_FULL:
    case COLOR_HSV2RGB: case COLOR_HSV2RGB_FULL:
    case COLOR_Lab2BGR: case COLOR_Lab2LBGR:
    case COLOR_Lab2LRGB: case COLOR_Lab2RGB:
    case COLOR_LBGR2Lab: case COLOR_LBGR2Luv:
    case COLOR_LRGB2Lab: case COLOR_LRGB2Luv:
    case COLOR_Luv2BGR: case COLOR_Luv2LBGR:
    case COLOR_Luv2LRGB: case COLOR_Luv2RGB:
    case COLOR_RGB2HLS: case COLOR_RGB2HLS_FULL:
    case COLOR_RGB2HSV: case COLOR_RGB2HSV_FULL:
    case COLOR_RGB2Lab: case COLOR_RGB2Luv:
    case COLOR_RGB2XYZ: case COLOR_RGB2YCrCb:
    case COLOR_RGB2YUV: case COLOR_XYZ2BGR:
    case COLOR_XYZ2RGB: case COLOR_YCrCb2BGR:
    case COLOR_YCrCb2RGB: case COLOR_YUV2BGR:
    case COLOR_YUV2RGB:
        return ChPair(3,3);
    case COLOR_BGR2BGRA: case COLOR_BGR2RGBA:
    case CX_HLS2BGRA: case CX_HLS2BGRA_FULL:
    case CX_HLS2RGBA: case CX_HLS2RGBA_FULL:
    case CX_HSV2BGRA: case CX_HSV2BGRA_FULL:
    case CX_HSV2RGBA: case CX_HSV2RGBA_FULL:
    case CX_Lab2BGRA: case CX_Lab2LBGRA:
    case CX_Lab2LRGBA: case CX_Lab2RGBA:
    case CX_Luv2BGRA: case CX_Luv2LBGRA:
    case CX_Luv2LRGBA: case CX_Luv2RGBA:
    case CX_XYZ2BGRA: case CX_XYZ2RGBA:
    case CX_YCrCb2BGRA: case CX_YCrCb2RGBA:
    case CX_YUV2BGRA: case CX_YUV2RGBA:
        return ChPair(3,4);
    case COLOR_BGRA2GRAY: case COLOR_RGBA2GRAY:
    case COLOR_RGBA2YUV_IYUV: case COLOR_RGBA2YUV_YV12:
    case COLOR_BGRA2YUV_IYUV: case COLOR_BGRA2YUV_YV12:
        return ChPair(4,1);
    case COLOR_BGRA2BGR555: case COLOR_BGRA2BGR565:
    case COLOR_RGBA2BGR555: case COLOR_RGBA2BGR565:
        return ChPair(4,2);
    case COLOR_BGRA2BGR: case CX_BGRA2HLS:
    case CX_BGRA2HLS_FULL: case CX_BGRA2HSV:
    case CX_BGRA2HSV_FULL: case CX_BGRA2Lab:
    case CX_BGRA2Luv: case CX_BGRA2XYZ:
    case CX_BGRA2YCrCb: case CX_BGRA2YUV:
    case CX_LBGRA2Lab: case CX_LBGRA2Luv:
    case CX_LRGBA2Lab: case CX_LRGBA2Luv:
    case COLOR_RGBA2BGR: case CX_RGBA2HLS:
    case CX_RGBA2HLS_FULL: case CX_RGBA2HSV:
    case CX_RGBA2HSV_FULL: case CX_RGBA2Lab:
    case CX_RGBA2Luv: case CX_RGBA2XYZ:
    case CX_RGBA2YCrCb: case CX_RGBA2YUV:
        return ChPair(4,3);
    case COLOR_BGRA2RGBA:
        return ChPair(4,4);
    default:
        ADD_FAILURE() << "Unknown conversion type";
        break;
    };
    return ChPair(0,0);
}