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Difference between revisions of "GFL Filters"

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== gflAverage ==
== 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 ==
== gflSoften ==
== gflBlur ==
== gflBlur ==

Revision as of 09:34, 9 October 2009

gflAverage

The gflAverage function :

GFL_ERROR gflAverage(
  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 GFL_ERROR.

gflSoften

gflBlur

gflGaussianBlur

gflMaximum

gflMinimum

gflMedianBox

gflMedianCross

gflSharpen

gflEnhanceDetail

gflEnhanceFocus

gflFocusRestoration

gflEdgeDetectLight

gflEdgeDetectMedium

gflEdgeDetectHeavy

gflEmboss

gflEmbossMore

gflConvolve

The gflConvolve function applies a convolution matrix on a picture.

GFL_ERROR gflConvolve(
  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 GFL_FILTER structure.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.