LColor::IsValid

#include "ltwrappr.h"

L_INT LColor::IsValid();

Determines whether the color conversion class object is valid to the conversion process.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

This function is useful for checking the validity of some conversion class objects when using multiple converters.

Required DLLs and Libraries

LTCLR

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

See Also

Functions:	LColor::Convert, Class Members
Topics:	Conversion Process
	Raster Image Functions: Color Conversion

Example

L_VOID DoConvert(LColor& clr, L_UCHAR *pInput, L_UCHAR *pOutput, L_INT nWidth, L_INT nHeight)
{
   L_INT nRet = 0 ; /* return error code*/

   /* Check first the object*/
   nRet = clr.IsValid();

   if(nRet != SUCCESS)
      return ;

   /* Convert the image buffer */
   nRet = clr.Convert (pInput, /*input buffer*/
                        pOutput,/*output buffer*/
                        nWidth, /*pixels width*/
                        nHeight, /*pixels height*/
                        0, /* 0 bytes align*/
                        0); /*0 bytes align*/
}