IG_FIP_DCT_forward

This function computes the forward Discrete Cosine Transform (DCT) of the input HIGCOMPLEXOBJ data.

Declaration:

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AT_ERRCOUNT ACCUAPI IG_FIP_dct_forward( HIGCOMPLEXOBJ hIGComplexObj, LPHIGCOMPLEXOBJ lphIGComplexObjOut );

Arguments:

Name	Type	Description
hIGComplexObj	HIGCOMPLEXOBJ	HIGCOMPLEXOBJ handle of data to be processed.
lphIGComplexObjOut	LPHIGCOMPLEXOBJ	HIGCOMPLEXOBJ handle of result data.

Return Value:

Returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

All pixel formats supported by HIGCOMPLEXOBJ object. See IG_FIP_co_obj_create.

Sample:

FreqIP

Example:

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HIGCOMPLEXOBJ hIGComplexObj; /* HIGCOMPLEXOBJ handle of input data / HIGCOMPLEXOBJ hIGComplexObjOut; / HIGCOMPLEXOBJ handle of result data */ ... IG_FIP_DCT_forward(hIGComplexObj, &hIGComplexObjOut); ...

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HIGCOMPLEXOBJ hIGComplexObj;     /* HIGCOMPLEXOBJ handle of input data */
HIGCOMPLEXOBJ hIGComplexObjOut; /* HIGCOMPLEXOBJ handle of result data */
...
IG_FIP_DCT_forward(hIGComplexObj, &hIGComplexObjOut);
...