Add support for external shared object renderer
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@ -19,7 +19,7 @@ aux_source_directory("gds-parser" PARSER_SOURCES)
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aux_source_directory("latex-output" LATEX_SOURCES)
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aux_source_directory("cairo-output" CAIRO_SOURCES)
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aux_source_directory("trigonometric" TRIG_SOURCES)
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set(SOURCE "main.c" "layer-selector.c" "mapping-parser.c" "command-line.c" "main-window.c")
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set(SOURCE "main.c" "layer-selector.c" "mapping-parser.c" "command-line.c" "main-window.c" "external-renderer.c")
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set(SOURCE
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${SOURCE}
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@ -36,6 +36,6 @@ add_compile_options(-Wall)
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add_executable(${PROJECT_NAME} ${SOURCE} ${CMAKE_CURRENT_BINARY_DIR}/glade/resources.c)
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add_dependencies(${PROJECT_NAME} glib-resources)
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SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_BINARY_DIR}/glade/resources.c PROPERTIES GENERATED 1)
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target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m)
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target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m ${CMAKE_DL_LIBS})
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install (TARGETS ${PROJECT_NAME} DESTINATION bin)
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@ -34,6 +34,7 @@
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#include "mapping-parser.h"
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#include "cairo-output/cairo-output.h"
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#include "latex-output/latex-output.h"
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#include "external-renderer.h"
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/**
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* @brief Delete layer_info and free nem element.
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@ -52,7 +53,7 @@ static void delete_layer_info_with_name(struct layer_info *info)
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void command_line_convert_gds(char *gds_name, char *pdf_name, char *tex_name, gboolean pdf, gboolean tex,
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char *layer_file, char *cell_name, double scale, gboolean pdf_layers,
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gboolean pdf_standalone, gboolean svg, char *svg_name)
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gboolean pdf_standalone, gboolean svg, char *svg_name, char *so_name, char *so_out_file)
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{
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GList *libs = NULL;
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FILE *tex_file;
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@ -71,7 +72,7 @@ void command_line_convert_gds(char *gds_name, char *pdf_name, char *tex_name, gb
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struct gds_cell *toplevel_cell = NULL, *temp_cell;
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/* Check if parameters are valid */
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if (!gds_name || ! pdf_name || !tex_name || !layer_file || !cell_name) {
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if (!gds_name || (!pdf_name && pdf) || (!tex_name && tex) || !layer_file || !cell_name) {
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printf("Probably missing argument. Check --help option\n");
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return;
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}
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@ -144,6 +145,16 @@ void command_line_convert_gds(char *gds_name, char *pdf_name, char *tex_name, gb
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fclose(tex_file);
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}
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if (so_name && so_out_file) {
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if (strlen(so_name) == 0 || strlen(so_out_file) == 0)
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goto ret_clear_list;
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/* Render output using external renderer */
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printf("Invoking external renderer!\n");
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external_renderer_render_cell(toplevel_cell, layer_info_list, so_out_file, so_name);
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printf("External renderer finished!\n");
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}
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ret_clear_list:
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g_list_free_full(layer_info_list, (GDestroyNotify)delete_layer_info_with_name);
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@ -45,11 +45,13 @@
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* @param pdf_layers TikZ creates OCG layers
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* @param pdf_standalone LaTeX document is standalone7
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* @param svg Render to SVG file
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* @param so_name Path to shared object of custom renderer
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* @param so_out_file Output file path for custom renderer
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* @param svg_name SVG file name
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*/
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void command_line_convert_gds(char *gds_name, char *pdf_name, char *tex_name, gboolean pdf, gboolean tex,
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char *layer_file, char *cell_name, double scale, gboolean pdf_layers,
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gboolean pdf_standalone, gboolean svg, char *svg_name);
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gboolean pdf_standalone, gboolean svg, char *svg_name, char *so_name, char *so_out_file);
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#endif /* _COMMAND_LINE_H_ */
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70
external-renderer.c
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70
external-renderer.c
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@ -0,0 +1,70 @@
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/*
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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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/**
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* @file external-renderer.c
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* @brief This file implements the dynamic library loading for the external rendering feature
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* @author Mario Hüttel <mario.huettel@gmx.net>
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*/
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/**
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* @addtogroup MainApplication
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* @{
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*/
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#include "external-renderer.h"
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#include <dlfcn.h>
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#include <stdio.h>
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int external_renderer_render_cell(struct gds_cell *toplevel_cell, GList *layer_info_list, char *output_file, char *so_path)
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{
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int (*so_render_func)(struct gds_cell *, GList *, char *) = NULL;
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void *so_handle = NULL;
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char *error_msg;
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int ret = 0;
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/* Check parameter sanity */
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if (!output_file || !so_path || !toplevel_cell || !layer_info_list) {
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return -3000;
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}
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/* Load shared object */
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so_handle = dlopen(so_path, RTLD_LAZY);
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if (!so_handle) {
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printf("Could not load external library '%s'\nDetailed error is:\n%s\n", so_path, dlerror());
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return -2000;
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}
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/* Load symbol from library */
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so_render_func = (int (*)(struct gds_cell *, GList *, char *))dlsym(so_handle, EXTERNAL_LIBRARY_FUNCTION);
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if ((error_msg = dlerror()) != NULL) {
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printf("Rendering function not found in library:\n%s\n", error_msg);
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goto ret_close_so_handle;
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}
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/* Execute */
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if (so_render_func)
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so_render_func(toplevel_cell, layer_info_list, output_file);
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ret_close_so_handle:
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dlclose(so_handle);
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return ret;
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}
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/** @} */
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58
external-renderer.h
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58
external-renderer.h
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@ -0,0 +1,58 @@
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/*
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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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/**
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* @file command-line.c
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* @brief Render according to command line parameters
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* @author Mario Hüttel <mario.huettel@gmx.net>
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*/
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/**
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* @addtogroup MainApplication
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* @{
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*/
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#ifndef _EXTERNAL_RENDERER_H_
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#define _EXTERNAL_RENDERER_H_
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#include "gds-parser/gds-types.h"
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#include <glib.h>
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/**
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* @brief function name expected to be found in external library.
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* @detail The function has to be defined as follows:
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* @code
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* int function_name(gds_cell *toplevel, GList *layer_info_list, char *output_file_name)
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* @endcode
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*/
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#define EXTERNAL_LIBRARY_FUNCTION "render_cell_to_file"
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/**
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* @brief external_renderer_render_cell
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* @param toplevel_cell The toplevel cell to render
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* @param layer_info_list The layer information. Contains #layer_info elements
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* @param output_file Output file
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* @param so_path Path to the shared object file containing #EXTERNAL_LIBRARY_FUNCTION
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* @return 0 on success
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*/
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int external_renderer_render_cell(struct gds_cell *toplevel_cell, GList *layer_info_list, char *output_file, char *so_path);
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#endif /* _EXTERNAL_RENDERER_H_ */
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/** @} */
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30
main.c
30
main.c
@ -22,6 +22,7 @@
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#include <glib.h>
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#include "main-window.h"
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#include "command-line.h"
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#include "external-renderer.h"
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struct application_data {
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GtkApplication *app;
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@ -116,22 +117,26 @@ int main(int argc, char **argv)
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gchar *basename;
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gchar *pdfname = NULL, *texname = NULL, *mappingname = NULL, *cellname = NULL, *svgname = NULL;
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gboolean tikz = FALSE, pdf = FALSE, pdf_layers = FALSE, pdf_standalone = FALSE, svg = FALSE;
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gchar *custom_library_path = NULL;
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gchar *custom_library_file_name = NULL;
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int scale = 1000;
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int app_status;
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GOptionEntry entries[] = {
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{ "tikz", 't', 0, G_OPTION_ARG_NONE, &tikz, "Output TikZ code", NULL },
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{ "pdf", 'p', 0, G_OPTION_ARG_NONE, &pdf, "Output PDF document", NULL },
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//{ "svg", 'S', 0, G_OPTION_ARG_NONE, &svg, "Output SVG image", NULL },
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{ "scale", 's', 0, G_OPTION_ARG_INT, &scale, "Divide output coordinates by <SCALE>", "<SCALE>" },
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{ "tex-output", 'o', 0, G_OPTION_ARG_FILENAME, &texname, "Optional path for TeX file", "PATH" },
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{ "pdf-output", 'O', 0, G_OPTION_ARG_FILENAME, &pdfname, "Optional path for PDF file", "PATH" },
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//{ "svg-output", 0, 0, G_OPTION_ARG_FILENAME, &svgname, "Optional path for PDF file", "PATH"},
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{ "mapping", 'm', 0, G_OPTION_ARG_FILENAME, &mappingname, "Path for Layer Mapping File", "PATH" },
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{ "cell", 'c', 0, G_OPTION_ARG_STRING, &cellname, "Cell to render", "NAME" },
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{ "tex-standalone", 'a', 0, G_OPTION_ARG_NONE, &pdf_standalone, "Create standalone PDF", NULL },
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{ "tex-layers", 'l', 0, G_OPTION_ARG_NONE, &pdf_layers, "Create PDF Layers (OCG)", NULL },
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{"tikz", 't', 0, G_OPTION_ARG_NONE, &tikz, "Output TikZ code", NULL },
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{"pdf", 'p', 0, G_OPTION_ARG_NONE, &pdf, "Output PDF document", NULL },
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//{"svg", 'S', 0, G_OPTION_ARG_NONE, &svg, "Output SVG image", NULL },
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{"scale", 's', 0, G_OPTION_ARG_INT, &scale, "Divide output coordinates by <SCALE>", "<SCALE>" },
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{"tex-output", 'o', 0, G_OPTION_ARG_FILENAME, &texname, "Optional path for TeX file", "PATH" },
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{"pdf-output", 'O', 0, G_OPTION_ARG_FILENAME, &pdfname, "Optional path for PDF file", "PATH" },
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//{"svg-output", 0, 0, G_OPTION_ARG_FILENAME, &svgname, "Optional path for PDF file", "PATH"},
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{"mapping", 'm', 0, G_OPTION_ARG_FILENAME, &mappingname, "Path for Layer Mapping File", "PATH" },
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{"cell", 'c', 0, G_OPTION_ARG_STRING, &cellname, "Cell to render", "NAME" },
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{"tex-standalone", 'a', 0, G_OPTION_ARG_NONE, &pdf_standalone, "Create standalone PDF", NULL },
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{"tex-layers", 'l', 0, G_OPTION_ARG_NONE, &pdf_layers, "Create PDF Layers (OCG)", NULL },
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{"custom-render-lib", 'P', 0, G_OPTION_ARG_FILENAME, &custom_library_path, "Path to a custom shared object, that implements the " EXTERNAL_LIBRARY_FUNCTION " function", "PATH"},
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{"external-lib-output", 'e', 0, G_OPTION_ARG_FILENAME, &custom_library_file_name, "Output path for external render library", "PATH"},
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{ NULL }
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};
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@ -171,7 +176,8 @@ int main(int argc, char **argv)
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command_line_convert_gds(gds_name, pdfname, texname, pdf, tikz,
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mappingname, cellname, (double)scale,
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pdf_layers, pdf_standalone, svg, svgname);
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pdf_layers, pdf_standalone, svg, svgname,
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custom_library_path, custom_library_file_name);
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/* Clean up */
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g_free(pdfname);
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g_free(texname);
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