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Difference between revisions of "GFL Filters"

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(Created page with '== gflAverage == == gflSoften == == gflBlur == == gflGaussianBlur == == gflMaximum == == gflMinimum == == gflMedianBox == == gflMedianCross == == gflSharpen == == gflEnhanceDetai…')
 
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The gflConvolve function applies a convolution matrix on a picture.  
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
);


GFL_ERROR gflConvolve(
'''Parameters'''
  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.


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

Revision as of 14:18, 24 September 2009

gflAverage

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.