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Output renderers: Move existing renderers to common folder

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Mario Hüttel
2019-06-17 21:50:49 +02:00
parent e6abaddcd1
commit c146bcd094
10 changed files with 12 additions and 14 deletions
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output-renderers/external-renderer.c Normal file
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/*
* GDSII-Converter
* Copyright (C) 2018 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of GDSII-Converter.
*
* GDSII-Converter is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* GDSII-Converter is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file external-renderer.c
* @brief This file implements the dynamic library loading for the external rendering feature
* @author Mario Hüttel <mario.huettel@gmx.net>
*/
/**
* @addtogroup external-renderer
* @{
*/
#include <dlfcn.h>
#include <stdio.h>
#include <gds-render/output-renderers/external-renderer.h>
int external_renderer_render_cell(struct gds_cell *toplevel_cell, GList *layer_info_list,
char *output_file, char *so_path)
{
int (*so_render_func)(struct gds_cell *, GList *, char *) = NULL;
void *so_handle = NULL;
char *error_msg;
int ret = 0;
/* Check parameter sanity */
if (!output_file || !so_path || !toplevel_cell || !layer_info_list)
return -3000;
/* Load shared object */
so_handle = dlopen(so_path, RTLD_LAZY);
if (!so_handle) {
printf("Could not load external library '%s'\nDetailed error is:\n%s\n", so_path, dlerror());
return -2000;
}
/* Load symbol from library */
so_render_func = (int (*)(struct gds_cell *, GList *, char *))dlsym(so_handle, EXTERNAL_LIBRARY_FUNCTION);
error_msg = dlerror();
if (error_msg != NULL) {
printf("Rendering function not found in library:\n%s\n", error_msg);
goto ret_close_so_handle;
}
/* Execute */
if (so_render_func)
so_render_func(toplevel_cell, layer_info_list, output_file);
ret_close_so_handle:
dlclose(so_handle);
return ret;
}
/** @} */