This function returns whether or not the color space contains an alpha channel (either pre-multiplied or not pre-multiplied).
Declaration:
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AT_BOOL ACCUAPI IG_util_colorspace_contains_alpha(
enumIGColorSpaceIDs colorSpace
);
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Arguments:
| Name | Type | Description |
| colorSpace | enumIGColorSpaceIDs | Color space ID. |
Return Value:
Returns TRUE if the color space contains an alpha channel; FALSE otherwise.
Supported Raster Image Formats:
This function does not process image pixels.
Sample:
None
Example:
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enumIGColorSpaceIDs colorSpace = IG_COLOR_SPACE_ID_RGBA; AT_BOOL bAlpha; /* Does the color space have alpha? */ bAlpha = IG_util_colorspace_contains_alpha(colorSpace); /* bAlpha is TRUE */ |
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