IG_dspl_LUT

This function returns the current red, green and blue look-up tables lpRLUT, lpGLUT, or lpBLUT (should be either NULL or valid pointers to a 256 byte array).

Declaration:

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AT_ERRCOUNT ACCUAPI IG_dspl_LUT_get( [IN] HIGEAR hIGear, [IN] DWORD dwGrpID, [OUT] LPBYTE lpRLUT, [OUT] LPBYTE lpGLUT, [OUT] LPBYTE lpBLUT );

Arguments:

Name	Type	Description
hIGear	HIGEAR	ImageGear handle of image.
dwGrpID	DWORD	Identifier of group from which to get options.
lpRLUT	LPBYTE	Pointer to where the current red look-up table (RedLut value) is to be copied. If NULL, then this parameter is ignored.
lpGLUT	LPBYTE	Pointer where the current green look-up table (GreenLut value) is to be copied. If NULL, then this parameter is ignored.
lpBLUT	LPBYTE	Pointer where the current blue look-up table (BlueLut value) is to be copied. If NULL, then this parameter is ignored.

Return Value:

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

Supported Raster Image Formats:

All pixel formats supported by ImageGear for C and C++.

Sample:

None

Example:

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HIGEAR hIGear; /* HIGEAR handle of image / DWORD nGrpID; / display group identifier / BYTE r_lut[256]; / red lookup array / BYTE g_lut[256]; / green lookup array */ ... IG_dspl_LUT_get( hIGear, nGrpID, r_lut, g_lut, NULL ); . .

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HIGEAR    hIGear;         /* HIGEAR handle of image  */ 
DWORD    nGrpID;         /* display group identifier  */
BYTE     r_lut[256];       /* red lookup array     */
BYTE     g_lut[256];     /* green lookup array     */
 ...
IG_dspl_LUT_get( hIGear, nGrpID, r_lut, g_lut, NULL );
 . .