ImageGear for C and C++ on Windows v19.6 - Updated
IG_util_colorspace_alpha_count_get
This function returns the number of alpha channels (0 or 1) in the specified color space.
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AT_UINT ACCUAPI IG_util_colorspace_alpha_count_get(
enumIGColorSpaceIDs colorSpace
);
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| Name | Type | Description |
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| colorSpace | enumIGColorSpaceIDs | Color space ID. |
The number of alpha channels.
This function does not process image pixels.
None
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enumIGColorSpaceIDs colorSpace = IG_COLOR_SPACE_ID_RGBA; AT_UINT nAlpha; /* Number of alpha channels */ nAlpha = IG_util_colorspace_alpha_count_get(colorSpace); /* nAlpha is 1 */ |
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