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95 lines
3.2 KiB
95 lines
3.2 KiB
5 years ago
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/*
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File: PMPluginHeader.h
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Contains: Mac OS X Printing Manager Raster Definitions.
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Version: QuickTime 7.3
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Copyright: (c) 2007 (c) 1999-2001 by Apple Computer, Inc., all rights reserved
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Bugs?: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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*/
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#ifndef __MACTYPES__
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#include <MacTypes.h>
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#endif
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/* API Version is used for plugin object API compatibility check. */
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#if PRAGMA_ONCE
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#pragma once
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#endif
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#if PRAGMA_IMPORT
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#pragma import on
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#endif
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=mac68k
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(push, 2)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack(2)
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#endif
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struct PMPlugInAPIVersion {
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/* API build version. */
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/* This is the API version this object was compiled with. */
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UInt32 buildVersionMajor;
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UInt32 buildVersionMinor;
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/* Base API version this object is upward compatible with. */
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/* The object guarantees to be a super-set of said API. */
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UInt32 baseVersionMajor;
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UInt32 baseVersionMinor;
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};
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typedef struct PMPlugInAPIVersion PMPlugInAPIVersion;
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/* The plugin header interface, and its vtable. */
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/* Plugin interface is an address of an object which contains a vtable pointer */
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/* as its first member. Every plugin interface (except 'iunknown') must begin */
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/* with PMPlugInHeader which must not change. */
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typedef struct PMPlugInHeader PMPlugInHeader;
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struct PMPlugInHeaderInterface {
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const PMPlugInHeader * vtable;
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};
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typedef struct PMPlugInHeaderInterface PMPlugInHeaderInterface;
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typedef CALLBACK_API_C( OSStatus , PMPluginRetain )(PMPlugInHeaderInterface * obj);
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typedef CALLBACK_API_C( OSStatus , PMPluginRelease )(PMPlugInHeaderInterface ** objPtr);
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typedef CALLBACK_API_C( OSStatus , PMPluginGetAPIVersion )(PMPlugInHeaderInterface *obj, PMPlugInAPIVersion *versionPtr);
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struct PMPlugInHeader {
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/* ---- API 'IMMUTABLE' Begin: ---- */
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/* Retain an object.*/
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PMPluginRetain Retain;
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/* Release an object. When reference count goes down to zero object*/
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/* is deleted. The call clears caller's reference to the object.*/
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PMPluginRelease Release;
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/* GetAPIVersion method is required with all plugin modules*/
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/* to be able to get object's API build and compatibility version.*/
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/* This version is used for plugin API compatibility check.*/
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PMPluginGetAPIVersion GetAPIVersion;
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};
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=reset
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(pop)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack()
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#endif
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#ifdef PRAGMA_IMPORT_OFF
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#pragma import off
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#elif PRAGMA_IMPORT
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#pragma import reset
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#endif
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