ImageGear Professional DLL v17.1 for Windows Accusoft
LPFNIG_CHECK_PIXEL
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ImageGear Professional DLL v17.1 for Windows > API Reference Guide > Core Component API Reference > Core Component Callback Functions Reference > LPFNIG_CHECK_PIXEL

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This callback returns TRUE if the given pixel does not belong to the area (border found), and FALSE otherwise.

Declaration:

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typedef AT_BOOL (LPACCUAPI LPFNIG_CHECK_PIXEL)(
        AT_INT bitsPerChannel,
        AT_INT channelCount,
        LPAT_VOID checkData,    
        LPAT_PIXEL pixel        
);

Arguments:

bitsPerChannel Number of bits per channel used to store the pixel being checked.
channelCount Number of channels in the pixel being checked.
checkData User-defined data passed to calling function (for example, detectStruct parameter of IG_IP_detect_area).
pixel Pointer to the pixel to be checked.

Return Value:

A Boolean value that returns TRUE if the given pixel does not belong to the area (border found), and FALSE otherwise.

Supported Raster Image Formats:

All pixel formats supported by ImageGear Professional.

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