This function gets usage information from a layer object.
Declaration:
 Copy Code |
|
|---|---|
AT_ERRCOUNT ACCUAPI IG_PDF_layer_get_usage_info(
HIG_PDF_LAYER hLayer,
HIG_PDF_ATOM hUsageKey,
LPHIG_PDF_BASOBJ lphUsageInfo
);
|
|
Arguments:
| Name | Type | Description |
| hLayer | HIG_PDF_LAYER | Layer object whose usage information is obtained. |
| hUsageKey | HIG_PDF_ATOM |
The usage key in the usage dictionary entry. Possible key values are:
|
| lphUsageInfo | LPHIG_PDF_BASOBJ | The usage information associated with the given key in the Usage dictionary for the layer, or a NULL if the operation fails (because the layer is malformed or has no dictionary, or because the dictionary has no entry corresponding to the given key). |
Return Value:
Error count.
Supported Raster Image Formats:
This function does not process image pixels.
Remarks:
A Usage dictionary entry provides more specific intended usage information than an intent entry.