77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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* GDSII-Converter
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* Copyright (C) 2018 Mario Hüttel <mario.huettel@gmx.net>
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*
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* This file is part of GDSII-Converter.
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*
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* GDSII-Converter is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* GDSII-Converter 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 GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __EXTERNAL_RENDERER_INTERFACES_H__
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#define __EXTERNAL_RENDERER_INTERFACES_H__
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#ifndef xstr
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#define xstr(a) str(a)
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#define str(a) #a
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#endif /* xstr */
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/**
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* @addtogroup ExternalRenderer
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* @{
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*/
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/**
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* @brief This define is used to export a function from a shared object
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*/
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#define EXPORT_FUNC __attribute__((visibility("default")))
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/**
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* @brief Function name expected to be found in external library for rendering.
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*
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* The function has to be defined as follows:
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* @code
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* int EXTERNAL_LIBRARY_RENDER_FUNCTION(struct gds_cell *toplevel, GList *layer_info_list, const char *output_file_name, double scale);
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* @endcode
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*/
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#define EXTERNAL_LIBRARY_RENDER_FUNCTION exported_render_cell_to_file
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/**
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* @brief Function name expected to be found in external library for initialization.
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*
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* @code
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* int EXTERNAL_LIBRARY_INIT_FUNCTION(const char *option_string, const char *version_string);
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* @endcode
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*/
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#define EXTERNAL_LIBRARY_INIT_FUNCTION exported_init
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/**
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* @brief Global integer specified by an external renderer to signal, that the init and render functions shall be executed in a subprocess
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*
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* The pure presence of this symbol name causes forking. The content of this variable is don't care.
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* @note Use this if you mess with the internal structures of gds-render
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*/
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#define EXTERNAL_LIBRARY_FORK_REQUEST exported_fork_request
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/**
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* @brief Define for declaring the exported functions.
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*
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* This not only helps with the declaration but also makes the symbols visible, so they can be called form outside the library
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*/
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#define EXPORTED_FUNC_DECL(FUNC) EXPORT_FUNC FUNC
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/** @} */
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#endif /* __EXTERNAL_RENDERER_INTERFACES_H__ */
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