mhu/gds-render
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Add support for external shared object renderer

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This commit is contained in:
Mario Hüttel 2018-12-15 00:05:34 +01:00
parent f025a0233d
commit f54ff7ded6
6 changed files with 164 additions and 17 deletions
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4
CMakeLists.txt
View File

@ -19,7 +19,7 @@ aux_source_directory("gds-parser" PARSER_SOURCES)
aux_source_directory("latex-output" LATEX_SOURCES)
aux_source_directory("cairo-output" CAIRO_SOURCES)
aux_source_directory("trigonometric" TRIG_SOURCES)
set(SOURCE "main.c" "layer-selector.c" "mapping-parser.c" "command-line.c" "main-window.c")
set(SOURCE "main.c" "layer-selector.c" "mapping-parser.c" "command-line.c" "main-window.c" "external-renderer.c")
set(SOURCE
${SOURCE}
@ -36,6 +36,6 @@ add_compile_options(-Wall)
add_executable(${PROJECT_NAME} ${SOURCE} ${CMAKE_CURRENT_BINARY_DIR}/glade/resources.c)
add_dependencies(${PROJECT_NAME} glib-resources)
SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_BINARY_DIR}/glade/resources.c PROPERTIES GENERATED 1)
target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m)
target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m ${CMAKE_DL_LIBS})
install (TARGETS ${PROJECT_NAME} DESTINATION bin)

15
command-line.c
View File

@ -34,6 +34,7 @@
#include "mapping-parser.h"
#include "cairo-output/cairo-output.h"
#include "latex-output/latex-output.h"
#include "external-renderer.h"
/**
* @brief Delete layer_info and free nem element.
@ -52,7 +53,7 @@ static void delete_layer_info_with_name(struct layer_info *info)
void command_line_convert_gds(char *gds_name, char *pdf_name, char *tex_name, gboolean pdf, gboolean tex,
char *layer_file, char *cell_name, double scale, gboolean pdf_layers,
gboolean pdf_standalone, gboolean svg, char *svg_name)
gboolean pdf_standalone, gboolean svg, char *svg_name, char *so_name, char *so_out_file)
{
GList *libs = NULL;
FILE *tex_file;
@ -71,7 +72,7 @@ void command_line_convert_gds(char *gds_name, char *pdf_name, char *tex_name, gb
struct gds_cell *toplevel_cell = NULL, *temp_cell;
/* Check if parameters are valid */
if (!gds_name || ! pdf_name || !tex_name || !layer_file || !cell_name) {
if (!gds_name || (!pdf_name && pdf) || (!tex_name && tex) || !layer_file || !cell_name) {
printf("Probably missing argument. Check --help option\n");
return;
}
@ -144,6 +145,16 @@ void command_line_convert_gds(char *gds_name, char *pdf_name, char *tex_name, gb
fclose(tex_file);
}
if (so_name && so_out_file) {
if (strlen(so_name) == 0 || strlen(so_out_file) == 0)
goto ret_clear_list;
/* Render output using external renderer */
printf("Invoking external renderer!\n");
external_renderer_render_cell(toplevel_cell, layer_info_list, so_out_file, so_name);
printf("External renderer finished!\n");
}
ret_clear_list:
g_list_free_full(layer_info_list, (GDestroyNotify)delete_layer_info_with_name);

4
command-line.h
View File

@ -45,11 +45,13 @@
* @param pdf_layers TikZ creates OCG layers
* @param pdf_standalone LaTeX document is standalone7
* @param svg Render to SVG file
* @param so_name Path to shared object of custom renderer
* @param so_out_file Output file path for custom renderer
* @param svg_name SVG file name
*/
void command_line_convert_gds(char *gds_name, char *pdf_name, char *tex_name, gboolean pdf, gboolean tex,
char *layer_file, char *cell_name, double scale, gboolean pdf_layers,
gboolean pdf_standalone, gboolean svg, char *svg_name);
gboolean pdf_standalone, gboolean svg, char *svg_name, char *so_name, char *so_out_file);
#endif /* _COMMAND_LINE_H_ */

70
external-renderer.c Normal file
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@ -0,0 +1,70 @@
/*
* 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 MainApplication
* @{
*/
#include "external-renderer.h"
#include <dlfcn.h>
#include <stdio.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);
if ((error_msg = dlerror()) != 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;
}
/** @} */

58
external-renderer.h Normal file
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@ -0,0 +1,58 @@
/*
* 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 command-line.c
* @brief Render according to command line parameters
* @author Mario Hüttel <mario.huettel@gmx.net>
*/
/**
* @addtogroup MainApplication
* @{
*/
#ifndef _EXTERNAL_RENDERER_H_
#define _EXTERNAL_RENDERER_H_
#include "gds-parser/gds-types.h"
#include <glib.h>
/**
* @brief function name expected to be found in external library.
* @detail The function has to be defined as follows:
* @code
* int function_name(gds_cell *toplevel, GList *layer_info_list, char *output_file_name)
* @endcode
*/
#define EXTERNAL_LIBRARY_FUNCTION "render_cell_to_file"
/**
* @brief external_renderer_render_cell
* @param toplevel_cell The toplevel cell to render
* @param layer_info_list The layer information. Contains #layer_info elements
* @param output_file Output file
* @param so_path Path to the shared object file containing #EXTERNAL_LIBRARY_FUNCTION
* @return 0 on success
*/
int external_renderer_render_cell(struct gds_cell *toplevel_cell, GList *layer_info_list, char *output_file, char *so_path);
#endif /* _EXTERNAL_RENDERER_H_ */
/** @} */

8
main.c
View File

@ -22,6 +22,7 @@
#include <glib.h>
#include "main-window.h"
#include "command-line.h"
#include "external-renderer.h"
struct application_data {
GtkApplication *app;
@ -116,6 +117,8 @@ int main(int argc, char **argv)
gchar *basename;
gchar *pdfname = NULL, *texname = NULL, *mappingname = NULL, *cellname = NULL, *svgname = NULL;
gboolean tikz = FALSE, pdf = FALSE, pdf_layers = FALSE, pdf_standalone = FALSE, svg = FALSE;
gchar *custom_library_path = NULL;
gchar *custom_library_file_name = NULL;
int scale = 1000;
int app_status;
@ -132,6 +135,8 @@ int main(int argc, char **argv)
{"cell", 'c', 0, G_OPTION_ARG_STRING, &cellname, "Cell to render", "NAME" },
{"tex-standalone", 'a', 0, G_OPTION_ARG_NONE, &pdf_standalone, "Create standalone PDF", NULL },
{"tex-layers", 'l', 0, G_OPTION_ARG_NONE, &pdf_layers, "Create PDF Layers (OCG)", NULL },
{"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"},
{"external-lib-output", 'e', 0, G_OPTION_ARG_FILENAME, &custom_library_file_name, "Output path for external render library", "PATH"},
{ NULL }
};
@ -171,7 +176,8 @@ int main(int argc, char **argv)
command_line_convert_gds(gds_name, pdfname, texname, pdf, tikz,
mappingname, cellname, (double)scale,
pdf_layers, pdf_standalone, svg, svgname);
pdf_layers, pdf_standalone, svg, svgname,
custom_library_path, custom_library_file_name);
/* Clean up */
g_free(pdfname);
g_free(texname);