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(v13) D_GET_IDENTITY (core module plugins)

This page applies to Harlequin v13.1r0 and later; and to Harlequin MultiRIP but not Harlequin Core

D_GET_IDENTITY Selector

Parameter: IdentityParam *param

Call type: Single‐call

This is the second call any plugin receives from the RIP, after D_SELECTOR_SUPPORT has been called to ensure that D_GET_IDENTITY is supported. It confirms the type of plugin (PT_COREMODULE ), and allows the plugin to decide if it will run with the supplied version of the plugin interface.

If D_GET_IDENTITY is not supported, the plugin is assumed to be a legacy output plugin.

Note: Any other kind of plugin introduced in the future will also be identified using this call.

Versioning is accomplished by the last three fields in the IdentityParam structure. This structure is passed to the plugin by the RIP with the plugin interface numbers set. In response, the plugin should set fVersionOK to TRUE if it can run.

TEXT
      typedef struct { int32 version ; int32 pluginType ;
      int32 protocolVersion ;
      int32 pluginInterfaceMajorVersion ; int32 pluginInterfaceMinorVerson ; int32 fVersionOK ;
    } IdentityParam ;

Plugins should be compiled for the earliest version of the RIP in which they can run. The fVersionOK

field is used to inform the RIP whether the plugin can run with a given version of the RIP.

pluginType

Core module plugins must set this field to PT_COREMODULE .

protocolVersion

This field is not relevant to core module plugins and should be set to 0 (zero)

pluginInterfaceMajorVersion and pluginInterfaceMinorVersion

These fields are set by the RIP to specify the major and minor plugin interface version numbers, respectively. Version 18.11 is the plugin interface version for version 7.2 of the RIP and version 20.2 is for version 10.1 of the RIP. Numbers may not be incremented if no non‐backward‐compatible changes to the interface are made.

Developers should also be aware of the Core Module API versioning system, which is independent of the plugin interface version, and is returned by the module in the sw_api_info struct.

fVersionOK

If the plugin can run with the given version of the RIP, this field should be set to TRUE . If this field is set to FALSE , further loading or use of the plugin is prevented.

The CHECK_VERSION macro is provided to simplify this:

p->fVersionOK = CHECK_VERSION (p, 19, 0);

This indicates that the plugin runs with any RIP implementing plugin interface version 19.0 or higher.

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