forked from bartvdbraak/blender
73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
/**
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*
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* @mainpage plugin API - the access point for texture and sequence
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* plugins
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*
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* @section about About the plugin API
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*
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* This API wraps functions that are used by texture and sequence
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* plugins. They are explicitly wrapped in order to make the
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* dependencies to the rest of the system clear.
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*
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* @section issues Known issues with the plugin API
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*
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* - It can be difficult at times to get access to the API functions
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* linked into the final executable. On gcc, the -fpic and -shared
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* flags take care of this. On Irix, -shared is needed, but you also
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* need a reference to the function to get the handle. This has
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* momentarily been taken care of by pluginapi_force_ref().
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*
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* - Plugins need to define three functions that are needed for
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* version bookkeeping and information. The plugin loading code
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* explicitly checks for these functions. The nanes depend on whether
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* it is a texture or sequence plugin.
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*
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* - The plugin loading occurs in sequence.c and texture.c. The
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* following functions are involved:
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* - open_plugin_seq() (used in readfile.c, editseq.c, sequence.c)
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* - add_plugin_seq() (used in editseq.c, sequence.c)
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* - free_plugin_seq() (used in editseq.c, sequence.c)
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* - open_plugin_tex() (used in texture.c, readfile.c)
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* - add_plugin_tex() (used in texture.c, buttons.c)
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* - free_plugin_tex() (used in texture.c, buttons.c)
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* - test_dlerr() (used in texture.c, sequence.c)
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* Since the plugins are about to phase out, we will not sanitize this
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* code. It will be removed as soon as the replacing system is in
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* place.
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*
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* @section dependencies Dependencies
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*
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* The plugins wraps functions from IMB and BLI. In addition, they
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* define some useful variables.
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* */
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