ImageGear for C and C++ on Windows v19.6 - Updated
IG_extra_channel_info_opacity_get
API Reference Guide > Core Component API Reference > Core Component Functions Reference > Extra Channel Info Functions > IG_extra_channel_info_opacity_get

This function gets opacity of the extra channel.

Declaration:

 
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AT_ERRCOUNT ACCUAPI IG_extra_channel_info_opacity_get(
        HIGEXTRACHANNELINFO hInfo,
        LPAT_WORD lpOpacity
);

Arguments:

Name Type Description
hInfo HIGEXTRACHANNELINFO Extra channel object.
lpOpacity LPAT_WORD Returns opacity value of this extra channel.

Return Value:

Error Count.

Supported Raster Image Formats:

This function does not process image pixels.

Remarks:

This function is applicable to any type of extra channels except IG_EXTRA_CHANNEL_TYPE_Unknown.