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 /* the input/output structure size is incorrect  */
  define CV_StsDivByZero              -202 /* division by zero */
  define CV_StsInplaceNotSupported    -203 /* in-place operation is not supported */
  define CV_StsObjectNotFound         -204 /* request can't be completed */
  define CV_StsUnmatchedFormats       -205 /* formats of input/output arrays differ */
  define CV_StsBadFlag                -206 /* flag is wrong or not supported */  
  define CV_StsBadPoint               -207 /* bad CvPoint */ 
  define CV_StsBadMask                -208 /* bad format of mask (neither 8uC1 nor 8sC1)*/
  define CV_StsUnmatchedSizes         -209 /* sizes of input/output structures do not match */
  define CV_StsUnsupportedFormat      -210 /* the data format/type is not supported by the function*/
  define CV_StsOutOfRange             -211 /* some of parameters are out of range */
  define CV_StsParseError             -212 /* invalid syntax/structure of the parsed file */
  define CV_StsNotImplemented         -213 /* the requested function/feature is not implemented */
  define CV_StsBadMemBlock            -214 /* an allocated block has been corrupted */
  
  

******************************* Error handling Macros *******************************

  
  
  define OPENCV_ERROR(status,func,context)                           \
                  cvError((status),(func),(context),__FILE__,__LINE__)
  
  define OPENCV_ERRCHK(func,context)                                 \
                  {if (cvGetErrStatus() >= 0)                         \
                   {OPENCV_ERROR(CV_StsBackTrace,(func),(context));}}
  
  define OPENCV_ASSERT(expr,func,context)                            \
                  {if (! (expr))                                      \
                   {OPENCV_ERROR(CV_StsInternal,(func),(context));}}
  
  define OPENCV_RSTERR() (cvSetErrStatus(CV_StsOk))
  
  define OPENCV_CALL( Func )                                         \
  {                                                                   \
      Func;                                                           \
  } 
  
  

************************** OpenCV-style error handling ******************************

  
  
  /* CV_FUNCNAME macro defines icvFuncName constant which is used by CV_ERROR macro */
  ifdef CV_NO_FUNC_NAMES
      #define CV_FUNCNAME( Name )
      #define cvFuncName ""
  else    
      #define CV_FUNCNAME( Name )  \
      static char cvFuncName[] = Name
  endif
  
  /*
    CV_ERROR macro unconditionally raises error with passed code and message.
    After raising error, control will be transferred to the exit label.
  */
  define CV_ERROR( Code, Msg )                                       \
  {                                                                   \
       cvError( (Code), cvFuncName, Msg, __FILE__, __LINE__ );        \
       EXIT;                                                          \
  }
  
  /* Simplified form of CV_ERROR */
  define CV_ERROR_FROM_CODE( code )   \
      CV_ERROR( code, "" )
  
  /*
   CV_CHECK macro checks error status after CV (or IPL)
   function call. If error detected, control will be transferred to the exit
   label.
  */
  define CV_CHECK()                                                  \
  {                                                                   \
      if( cvGetErrStatus() < 0 )                                      \
          CV_ERROR( CV_StsBackTrace, "Inner function failed." );      \
  }
  
  /*
   CV_CALL macro calls CV (or IPL) function, checks error status and
   signals a error if the function failed. Useful in "parent node"
   error procesing mode
  */
  define CV_CALL( Func )                                             \
  {                                                                   \
      Func;                                                           \
      CV_CHECK();                                                     \
  }
  
  /* Runtime assertion macro */
  define CV_ASSERT( Condition )                                          \
  {                                                                       \
      if( !(Condition) )                                                  \
          CV_ERROR( CV_StsInternal, "Assertion: " #Condition " failed" ); \
  }
  
  define __BEGIN__       {
  define __END__         goto exit; exit: ; }
  define __CLEANUP__
  define EXIT            goto exit
  
  endif /* _CXCORE_ERROR_H_ */
  
  /* End of file. */
  

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[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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(C) Æliens 04/09/2009

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