View source for GFL Filters

== gflAverage ==

The gflAverage function : 

 GFL_ERROR <b>gflAverage</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   GFL_INT32 filter_size
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:filter_size
::To do. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflSoften ==

The gflSoften function : 

 GFL_ERROR <b>gflSoften</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   GFL_INT32 percentage
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:percentage
::To do. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflBlur ==

The gflBlur function : 

 GFL_ERROR <b>gflBlur</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   GFL_INT32 percentage
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:percentage
::To do. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflGaussianBlur ==

The gflGaussianBlur function : 

 GFL_ERROR <b>gflGaussianBlur</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   GFL_INT32 filter_size
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:filter_size
::To do. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflMaximum ==

The gflMaximum function : 

 GFL_ERROR <b>gflMaximum</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   GFL_INT32 filter_size
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:filter_size
::To do. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflMinimum ==

The gflMinimum function : 

 GFL_ERROR <b>gflMinimum</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   GFL_INT32 filter_size
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:filter_size
::To do. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflMedianBox ==

The gflMedianBox function : 

 GFL_ERROR <b>gflMedianBox</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   GFL_INT32 filter_size
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:filter_size
::To do. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflMedianCross ==

The gflMedianCross function : 

 GFL_ERROR <b>gflMedianCross</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   GFL_INT32 filter_size
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:filter_size
::To do. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflSharpen ==

The gflSharpen function : 

 GFL_ERROR <b>gflSharpen</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   GFL_INT32 percentage
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:percentage
::To do. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflEnhanceDetail ==

The gflEnhanceDetail function : 

 GFL_ERROR <b>gflEnhanceDetail</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflEnhanceFocus ==

The gflEnhanceFocus function : 

 GFL_ERROR <b>gflEnhanceFocus</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflFocusRestoration ==

The gflFocusRestoration function : 

 GFL_ERROR <b>gflFocusRestoration</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflEdgeDetectLight ==

The gflEdgeDetectLight function : 

 GFL_ERROR <b>gflEdgeDetectLight</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflEdgeDetectMedium ==

The gflEdgeDetectMedium function : 

 GFL_ERROR <b>gflEdgeDetectMedium</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflEdgeDetectHeavy ==

The gflEdgeDetectHeavy function : 

 GFL_ERROR <b>gflEdgeDetectHeavy</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflEmboss ==

The gflEmboss function : 

 GFL_ERROR <b>gflEmboss</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflEmbossMore ==

The gflEmbossMore function : 

 GFL_ERROR <b>gflEmbossMore</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].

== gflConvolve ==

The gflConvolve function applies a convolution matrix on a picture. 

 GFL_ERROR <b>gflConvolve</b>(
   GFL_BITMAP* src,  
   GFL_BITMAP** dst,  
   const GFL_FILTER* filter
 );

'''Parameters'''

:src 
::Pointer to a GFL_BITMAP structure. 
:dst 
::Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. 
:filter 
::Pointer to a [[Structures#GFL_FILTER|GFL_FILTER]] structure. 

'''Return value''' 
:The function returns GFL_NO_ERROR if it is successful or a value of [[Error|GFL_ERROR]].