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add vips_check_dmask_1d() 

add a check-mask-is-1d function
This commit is contained in:
John Cupitt 2011-05-31 12:21:05 +01:00
parent c0cbbbf415
commit 770398753c
2 changed files with 26 additions and 0 deletions
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1
libvips/include/vips/error.h
View File

@ -83,6 +83,7 @@ int vips_check_vector( const char *domain, int n, VipsImage *im );
int vips_check_hist( const char *domain, VipsImage *im );
int vips_check_imask( const char *domain, INTMASK *mask );
int vips_check_dmask( const char *domain, DOUBLEMASK *mask );
int vips_check_dmask_1d( const char *domain, DOUBLEMASK *mask );
#ifdef __cplusplus
}

25
libvips/iofuncs/error.c
View File

@ -1153,3 +1153,28 @@ vips_check_dmask( const char *domain, DOUBLEMASK *mask )
return( 0 );
}
/**
* vips_check_dmask_1d:
* @domain: the originating domain for the error message
* @mask: mask to check
*
* A mask must be one-dimensional (width or height 1).
*
* See also: vips_error().
*
* Returns: 0 if OK, -1 otherwise.
*/
int
vips_check_dmask_1d( const char *domain, DOUBLEMASK *mask )
{
if( vips_check_dmask( domain, mask ) )
return( -1 );
if( mask->xsize != 1 &&
mask->ysize != 1 ) {
vips_error( domain, "%s", _( "mask must be 1D" ) );
return( -1 );
}
return( 0 );
}