cverror.h

微软的基于HMM的人脸识别原代码, 非常经典的说

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#ifndef _CV_ERROR_EXT_H_
#define _CV_ERROR_EXT_H_

#ifdef _CV_ALWAYS_PROFILE_
#define _CV_COMPILE_PROFILE_
#else #ifdef _DEBUG
#define _CV_COMPILE_PROFILE_
#endif

#ifdef _CV_ALWAYS_NO_PROFILE_
#undef _CV_COMPILE_PROFILE_
#endif

#ifdef _CV_COMPILE_PROFILE_
   #define CV_START_CALL( func, file, line )  cvStartProfile( func, file, line )
   #define CV_END_CALL( file, line )    cvEndProfile( file, line )
#else
   #define CV_START_CALL( func, file, line )
   #define CV_END_CALL( file, line )
#endif 

/************Below is declaration of error handling stuff in PLSuite manner**/

typedef int CVStatus;

/* this part of CVStatus is compatible with IPLStatus 
  Some of below symbols are not [yet] used in OpenCV
*/
#define CV_StsOk                    0  /* everithing is ok                */
#define CV_StsBackTrace            -1  /* pseudo error for back trace     */
#define CV_StsError                -2  /* unknown /unspecified error      */
#define CV_StsInternal             -3  /* internal error (bad state)      */
#define CV_StsNoMem                -4  /* Insufficient memory             */
#define CV_StsBadArg               -5  /* function arg/param is bad       */
#define CV_StsBadFunc              -6  /* unsupported function            */
#define CV_StsNoConv               -7  /* iter. didn't converge           */
#define CV_StsAutoTrace            -8  /* Tracing                         */

#define CV_HeaderIsNull            -9  /* image header is NULL            */
#define CV_BadImageSize            -10 /* Image size is invalid           */
#define CV_BadOffset               -11 /* Offset is invalid               */
#define CV_BadDataPtr              -12 /**/
#define CV_BadStep                 -13 /**/
#define CV_BadModelOrChSeq         -14 /**/
#define CV_BadNumChannels          -15 /**/
#define CV_BadNumChannel1U         -16 /**/
#define CV_BadDepth                -17 /**/
#define CV_BadAlphaChannel         -18 /**/
#define CV_BadOrder                -19 /**/
#define CV_BadOrigin               -20 /**/
#define CV_BadAlign                -21 /**/
#define CV_BadCallBack             -22 /**/
#define CV_BadTileSize             -23 /**/
#define CV_BadCOI                  -24 /**/
#define CV_BadROISize              -25 /**/

#define CV_MaskIsTiled             -26 /**/

#define CV_StsNullPtr                -27 /* Null pointer */
#define CV_StsVecLengthErr           -28 /* Incorrect vector length */
#define CV_StsFilterStructContentErr -29 /* Incorr. filter structure content */
#define CV_StsKernelStructContentErr -30 /* Incorr. transform kernel content */
#define CV_StsFilterOffsetErr        -31 /* Incorrect filter ofset value */

/*extra for CV */
#define CV_StsBadSize                   -201 /* bad CvSize */
#define CV_StsDivByZero                 -202 /* division by zero */
#define CV_StsInplaceNotSupported       -203 /* inplace operation is not supported */
#define CV_StsObjectNotFound            -204 /* request can't be completed */
#define CV_StsUnmatchedFormats          -205 /* formats of 2 or more inputs must be the same */
#define CV_StsBadFlag                   -206 /* flag is wrong or not supported */  
#define CV_StsBadPoint                  -207 /* bad CvPoint */ 

/*--------------------- CVRedirectError Declaration -------------------------*/

typedef int (CV_CDECL *CVErrorCallBack) (CVStatus status, const char *func,
                                         const char *context, const char *file,int line);


/*------------------------ CVStdErrMode Declaration -------------------------*/

#define CV_ErrModeLeaf     0           /* Print error and exit program       */
#define CV_ErrModeParent   1           /* Print error and continue           */
#define CV_ErrModeSilent   2           /* Don't print and continue           */
 
/*------------------------------------- Macros ----------------------------------*/

#define OPENCV_ERROR(status,func,context)                            \
                cvError((status),(func),(context),__FILE__,__LINE__)

#define OPENCV_ERRCHK(func,context)                                  \
                ((cvGetErrStatus() >= 0) ? CV_StsOk                  \
                : OPENCV_ERROR(CV_StsBackTrace,(func),(context)))

#define OPENCV_ASSERT(expr,func,context)                             \
                ((expr) ? CV_StsOk                                   \
                : OPENCVCV_ERROR(CV_StsInternal,(func),(context)))

#define OPENCV_RSTERR() (cvSetErrStatus(CV_StsOk))

#define OPENCV_CALL( Func )                                            \
{                                                                      \
    CV_START_CALL( #Func, __FILE__, __LINE__ );                        \
    Func;                                                              \
    CV_END_CALL( __FILE__, __LINE__ );                                 \
} 


#endif /* _CV_ERROR_EXT_H_ */

/* End of file. */