Add Glist wrapper to python renderer

CMakeLists.txt

@@ -38,7 +38,7 @@ IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
 	add_definitions(-DGETTEXT_PACKAGE=\"gds-render\" -DLOCALEDATADIR=\"${CMAKE_CURRENT_BINARY_DIR}/translations/output\")
 	message("${BoldMagenta}${CMAKE_CURRENT_BINARY_DIR}/translations/output used as data dir${ColorReset}")
 else(CMAKE_BUILD_TYPE STREQUAL "Debug")
-	message("Global locale directory used. Make sure files in /usr/share/locale are available")
+	message("${BoldCyan}Global locale directory used. Make sure files in /usr/share/locale are available${ColorReset}")
 	add_definitions(-DGETTEXT_PACKAGE=\"gds-render\" -DLOCALEDATADIR=\"/usr/share\")
 ENDIF(CMAKE_BUILD_TYPE STREQUAL "Debug")
 

cell-selector/lib-cell-renderer.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

command-line.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**
@@ -146,6 +146,7 @@ int command_line_convert_gds(const char *gds_name,
 			      double scale)
 {
 	int ret = -1;
+	int render_ret;
 	GList *libs = NULL;
 	int res;
 	GList *renderer_list = NULL;
@@ -163,7 +164,14 @@ int command_line_convert_gds(const char *gds_name,
 
 	/* Load layer_settings */
 	layer_sett = layer_settings_new();
-	layer_settings_load_from_csv(layer_sett, layer_file);
+	if (!layer_sett)
+		goto return_value;
+
+	ret = layer_settings_load_from_csv(layer_sett, layer_file);
+	if (ret) {
+		fprintf(stderr, _("Loading layer mapping file failed.\n"));
+		goto ret_destroy_layer_mapping;
+	}
 
 	/* Create renderers */
 	if (create_renderers(renderers, output_file_names, tex_layers, tex_standalone,
@@ -221,7 +229,9 @@ int command_line_convert_gds(const char *gds_name,
 	/* Execute all rendererer instances */
 	for (list_iter = renderer_list; list_iter; list_iter = list_iter->next) {
 		current_renderer = GDS_RENDER_OUTPUT_RENDERER(list_iter->data);
-		gds_output_renderer_render_output(current_renderer, toplevel_cell, scale);
+		render_ret = gds_output_renderer_render_output(current_renderer, toplevel_cell, scale);
+		if (render_ret)
+			fprintf(stderr, "Rendering failed with error code: %d\n", render_ret);
 	}
 
 ret_destroy_library_list:
@@ -231,6 +241,7 @@ ret_clear_renderers:
 		g_object_unref(list_iter->data);
 ret_destroy_layer_mapping:
 	g_object_unref(layer_sett);
+return_value:
 	return ret;
 }
 

doxygen/external-renderer.dox

@@ -22,5 +22,6 @@
  * @ref EXTERNAL_LIBRARY_RENDER_FUNCTION	| int EXTERNAL_LIBRARY_RENDER_FUNCTION(struct gds_cell *toplevel, GList *layer_info_list, const char *output_file_name, double scale)		| Render cell to output file
  * @ref EXTERNAL_LIBRARY_INIT_FUNCTION		| int EXTERNAL_LIBRARY_INIT_FUNCTION(const char *option_string, const char *version_string)							| Init function. Executed before rendering. This is given the command line parameters specified for the external renderer and the version string of the currently running gds-render program.
  * @ref EXTERNAL_LIBRARY_FORK_REQUEST		| int EXTERNAL_LIBRARY_FORK_REQUEST;														| The pure presence of this integer results in the execution inside a subprocess of hte whole shared object's code
+ * @ref EXTERNAL_LIBRARY_FINALIZE_FUNCTION | int EXTERNAL_LIBRARY_FINALIZE_FUNCTION(void) | Called after rendering
  *
  */

gds-render-gui.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

gds-utils/gds-parser.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

gds-utils/gds-tree-checker.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

geometric/bounding-box.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

geometric/cell-geometrics.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

geometric/vector-operations.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/cell-selector/lib-cell-renderer.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/command-line.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/gds-render-gui.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/gds-utils/gds-parser.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/gds-utils/gds-tree-checker.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/gds-utils/gds-types.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/geometric/bounding-box.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/geometric/cell-geometrics.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/geometric/vector-operations.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/layer/color-palette.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/layer/layer-selector.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/layer/layer-settings.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/output-renderers/cairo-renderer.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 /**
  * @file cairo-renderer.h

include/gds-render/output-renderers/external-renderer-interfaces.h

@@ -37,6 +37,11 @@
  */
 #define EXPORT_FUNC __attribute__((visibility("default")))
 
+/**
+ * @brief This define is used to export a variable symbol from a shared object
+ */
+#define EXPORT_VAR EXPORT_FUNC
+
 /**
  * @brief Function name expected to be found in external library for rendering.
  *
@@ -56,6 +61,15 @@
  */
 #define EXTERNAL_LIBRARY_INIT_FUNCTION exported_init
 
+/**
+ * @brief Function name expected to be found in external library for finalizing.
+ *
+ * @code
+ * int EXTERNAL_LIBRARY_FINALIZE_FUNCTION(void);
+ * @endcode
+ */
+#define EXTERNAL_LIBRARY_FINALIZE_FUNCTION exported_finalize
+
 /**
  * @brief Global integer specified by an external renderer to signal, that the init and render functions shall be executed in a subprocess
  *
@@ -67,10 +81,29 @@
 /**
  * @brief Define for declaring the exported functions.
  *
- * This not only helps with the declaration but also makes the symbols visible, so they can be called form outside the library
+ * This not only helps with the declaration but also makes the symbols visible, so they can be called from outside the library
  */
 #define EXPORTED_FUNC_DECL(FUNC) EXPORT_FUNC FUNC
 
+/**
+ * @brief Define for declaring exported variables
+ *
+ * This not only helps with the declaration but also makes the symbols visible, so they can be accessed from outside the library
+ */
+#define EXPORTED_VAR_DECL(VAR) EXPORT_VAR VAR
+
+/**
+ * @brief Define for declaring variables based on a define expansion
+ * @note If you want to declare an exported variable use @ref EXPORTED_VAR_DECL
+ */
+#define VAR_DECL(VAR) VAR
+
+/**
+ * @brief Define for declaring functions based on a define expansion
+ * @note If you want to declare an exported function use @ref EXPORTED_FUNC_DECL
+ */
+#define FUNC_DECL(FUNC) FUNC
+
 /** @} */
 
 #endif /* __EXTERNAL_RENDERER_INTERFACES_H__ */

include/gds-render/output-renderers/external-renderer.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/output-renderers/gds-output-renderer.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/output-renderers/latex-renderer.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/version.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/widgets/activity-bar.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/widgets/conv-settings-dialog.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

include/gds-render/widgets/layer-element.h

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

layer/color-palette.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

layer/layer-selector.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

layer/layer-settings.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

main.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

output-renderers/cairo-renderer.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 /**
  * @file cairo-renderer.c

output-renderers/external-renderer.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**
@@ -67,6 +67,7 @@ static int external_renderer_render_cell(struct gds_cell *toplevel_cell, GList *
 {
 	int (*so_render_func)(struct gds_cell *, GList *, const char *, double) = NULL;
 	int (*so_init_func)(const char *, const char *) = NULL;
+	int (*so_finalize_func)(void) = NULL;
 	void *so_handle = NULL;
 	char *error_msg;
 	int forking_req;
@@ -94,7 +95,7 @@ static int external_renderer_render_cell(struct gds_cell *toplevel_cell, GList *
 	so_render_func = (int (*)(struct gds_cell *, GList *, const char *, double))
 				dlsym(so_handle, xstr(EXTERNAL_LIBRARY_RENDER_FUNCTION));
 	error_msg = dlerror();
-	if (error_msg != NULL) {
+	if (error_msg) {
 		fprintf(stderr, _("Rendering function not found in library:\n%s\n"), error_msg);
 		goto ret_close_so_handle;
 	}
@@ -102,8 +103,16 @@ static int external_renderer_render_cell(struct gds_cell *toplevel_cell, GList *
 	/* Load the init function */
 	so_init_func = (int (*)(const char *, const char *))dlsym(so_handle, xstr(EXTERNAL_LIBRARY_INIT_FUNCTION));
 	error_msg = dlerror();
-	if (error_msg != NULL) {
-		fprintf(stderr, _("Init function not found in library:\n%s\n"), error_msg);
+	if (error_msg) {
+		fprintf(stderr, _("Rendering function not found in library:\n%s\n"), error_msg);
+		goto ret_close_so_handle;
+	}
+
+	/* Load the finalize function */
+	so_finalize_func = (int (*)(void))dlsym(so_handle, xstr(EXTERNAL_LIBRARY_FINALIZE_FUNCTION));
+	error_msg = dlerror();
+	if (error_msg) {
+		fprintf(stderr, "Finalize function not found in library:\n%s\n", error_msg);
 		goto ret_close_so_handle;
 	}
 
@@ -128,6 +137,9 @@ static int external_renderer_render_cell(struct gds_cell *toplevel_cell, GList *
 	if (!ret)
 		ret = so_render_func(toplevel_cell, layer_info_list, output_file, scale);
 
+	/* Finalize the external renderer */
+	ret |= so_finalize_func();
+
 	/* If we are in a separate process, terminate here */
 	if (forking_req)
 		exit(ret);

output-renderers/gds-output-renderer.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

output-renderers/latex-renderer.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

plugins/CMakeLists.txt

@@ -1,2 +1,4 @@
 add_subdirectory(plugin-example)
-add_custom_target(plugins DEPENDS pluginexample)
+add_subdirectory(python-renderer)
+
+add_custom_target(plugins DEPENDS pluginexample pythonrenderer)

plugins/plugin-example/CMakeLists.txt

@@ -1,12 +1,11 @@
 project(pluginexample)
 cmake_minimum_required(VERSION 2.8)
 find_package(PkgConfig REQUIRED)
-pkg_search_module(PYTHON REQUIRED python3)
 
 aux_source_directory(src SOURCES)
 
-include_directories(${PYTHON_INCLUDE_DIRS} ${CMAKE_CURRENT_SOURCE_DIR}/include)
-link_libraries(${PYTHON_LDFLAGS} version)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
+link_libraries(version)
 
 add_library(${PROJECT_NAME} SHARED EXCLUDE_FROM_ALL ${SOURCES})
 add_dependencies(${PROJECT_NAME} version)

plugins/plugin-example/src/plugin-main.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**
@@ -25,7 +25,6 @@
  * @{
  */
 
-
 #include <stdio.h>
 #include <glib.h>
 #include <gds-render/gds-utils/gds-types.h>
@@ -46,4 +45,10 @@ int EXPORTED_FUNC_DECL(EXTERNAL_LIBRARY_INIT_FUNCTION)(const char *params, const
 	return 0;
 }
 
+int EXPORTED_FUNC_DECL(EXTERNAL_LIBRARY_FINALIZE_FUNCTION)(void)
+{
+	printf("Finalize function called.\n");
+	return 0;
+}
+
 /** @} */

plugins/python-renderer/CMakeLists.txt

@@ -0,0 +1,34 @@
+project(pythonrenderer)
+cmake_minimum_required(VERSION 2.8.8)
+find_package(PythonLibs)
+
+if(NOT WIN32)
+  string(ASCII 27 Esc)
+  set(ColorReset "${Esc}[m")
+  set(ColorBold  "${Esc}[1m")
+  set(Red         "${Esc}[31m")
+  set(Green       "${Esc}[32m")
+  set(Yellow      "${Esc}[33m")
+  set(Blue        "${Esc}[34m")
+  set(Magenta     "${Esc}[35m")
+  set(Cyan        "${Esc}[36m")
+  set(White       "${Esc}[37m")
+  set(BoldRed     "${Esc}[1;31m")
+  set(BoldGreen   "${Esc}[1;32m")
+  set(BoldYellow  "${Esc}[1;33m")
+  set(BoldBlue    "${Esc}[1;34m")
+  set(BoldMagenta "${Esc}[1;35m")
+  set(BoldCyan    "${Esc}[1;36m")
+  set(BoldWhite   "${Esc}[1;37m")
+endif()
+
+aux_source_directory(src SOURCES)
+
+include_directories(${PYTHON_INCLUDE_DIRS} ${CMAKE_CURRENT_SOURCE_DIR}/include)
+link_libraries(${PYTHON_LIBRARIES} version)
+
+message("${BoldCyan}Python version found: ${PYTHONLIBS_VERSION_STRING}${ColorReset}")
+
+add_library(${PROJECT_NAME} SHARED EXCLUDE_FROM_ALL ${SOURCES})
+add_dependencies(${PROJECT_NAME} version)
+

plugins/python-renderer/include/python-renderer/force-fork.h

@@ -0,0 +1,43 @@
+/*
+ * GDSII-Converter Python Plugin
+ * Copyright (C) 2019  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 force-fork.h
+ * @brief Header file force fork variabel definition.
+ *
+ * This file makes the force fork variable accessible.
+ * Actually this is kind of useless. However, here it is :)
+ * @author Mario Hüttel <mario.huettel@gmx.net>
+ */
+
+#ifndef __PYTHON_PLUGIN_FORCE_FORK_H__
+#define __PYTHON_PLUGIN_FORCE_FORK_H__
+
+/**
+ * @addtogroup python-plugin
+ * @{
+ */
+#include <gds-render/output-renderers/external-renderer-interfaces.h>
+
+extern const int VAR_DECL(EXTERNAL_LIBRARY_FORK_REQUEST);
+
+/** @} */
+
+#endif /* __PYTHON_PLUGIN_FORCE_FORK_H__ */
+

plugins/python-renderer/include/python-renderer/gds-render-module.h

@@ -0,0 +1,49 @@
+/*
+ * GDSII-Converter Python Plugin
+ * Copyright (C) 2019  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 gds-render-module.h
+ * @brief Header file for the gds-render python module implementation
+ * @author Mario Hüttel <mario.huettel@gmx.net>
+ */
+
+#ifndef __GDS_RENDER_MODULE_H__
+#define __GDS_RENDER_MODULE_H__
+
+/**
+ * @addtogroup python-renderer
+ * @{
+ */
+
+#include <Python.h>
+
+/**
+ * @brief The gds_render python module name as string
+ */
+#define GDS_RENDER_MOD_NAME "gds_render"
+
+/**
+ * @brief Set up the gds_render python module
+ * @return New module reference
+ */
+PyObject *init_gds_render_module();
+
+/** @} */
+
+#endif /* __GDS_RENDER_MODULE_H__ */

plugins/python-renderer/include/python-renderer/glist.h

@@ -0,0 +1,50 @@
+/*
+ * GDSII-Converter Python Plugin
+ * Copyright (C) 2020  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 python-renderer/glist.c
+ * @author Mario Hüttel <mario.huettel@gmx.net>
+ */
+
+/**
+ * @defgroup python-plugin-glist GList wrapper for python
+ * @ingroup python-plugin
+ * This is a wrapping class for GLists
+ * @addtogroup python-plugin-glist
+ * @{
+ */
+
+#ifndef __GLIST_H__
+#define __GLIST_H__
+
+#ifndef PY_SSIZE_T_CLEAN
+#define PY_SSIZE_T_CLEAN
+#endif
+#include <Python.h>
+#include <glib.h>
+
+extern PyTypeObject GListType;
+
+typedef struct _GListObject GListObject;
+
+void glist_set_head_ptr(GListObject *self, GList *head);
+
+#endif /* __GLIST_H__ */
+
+/** @} */

plugins/python-renderer/src/force-fork.c

@@ -0,0 +1,37 @@
+/*
+ * GDSII-Converter Python Plugin
+ * Copyright (C) 2019  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 python-renderer/force-fork.c
+ * @author Mario Hüttel <mario.huettel@gmx.net>
+ */
+
+#include <python-renderer/force-fork.h>
+
+/**
+ * @addtogroup python-plugin
+ * @{
+ */
+
+/* The precense of this variable tells the gds-render application to execute this plugin in a separate process
+ * The variable's value is don't care
+ */
+const int EXPORTED_VAR_DECL(EXTERNAL_LIBRARY_FORK_REQUEST) = 1;
+
+/** @} */

plugins/python-renderer/src/gds-render-module.c

@@ -0,0 +1,100 @@
+/*
+ * GDSII-Converter Python Plugin
+ * Copyright (C) 2019  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 gds-render-module.c
+ * @brief Gds-render python module implementation
+ * @author Mario Hüttel <mario.huettel@gmx.net>
+ */
+
+#include <python-renderer/gds-render-module.h>
+#include <gds-render/gds-utils/gds-types.h>
+#include <python-renderer/glist.h>
+
+static PyObject *test(PyObject *self, PyObject *args)
+{
+	long int i;
+
+	if(!PyArg_ParseTuple(args, "l:get_number", &i))
+		return NULL;
+
+	i *= i;
+
+	return PyLong_FromLong(i);
+}
+
+static PyMethodDef gds_render_methods[] = {
+	{"get_number", test, METH_VARARGS, "Return the number of arguments received by the process."},
+	{NULL, NULL, 0, NULL}
+};
+
+static PyModuleDef gds_render_module_def = {
+	PyModuleDef_HEAD_INIT,
+	.m_name = GDS_RENDER_MOD_NAME,
+	.m_doc = "GDS Render Base App Module",
+	.m_size = -1,
+	.m_methods = gds_render_methods,
+	NULL, NULL, NULL, NULL
+};
+
+static int gds_render_module_check_types_ready()
+{
+	if (!PyType_Ready(&GListType))
+		return -1;
+
+	return 0;
+}
+
+static int gds_render_module_add_types(PyObject *module)
+{
+	int err;
+
+	Py_INCREF(&GListType);
+	err = PyModule_AddObject(module, "GdsPoint", (PyObject *)&GListType);
+	if (err < 0) {
+		goto decref_glist;
+	}
+
+	return 0;
+
+decref_glist:
+	Py_DECREF(&GListType);
+	return -1;
+}
+
+PyObject *init_gds_render_module(void)
+{
+	int err;
+	PyObject *gds_render_module;
+
+	if (gds_render_module_check_types_ready())
+		return NULL;
+
+	gds_render_module = PyModule_Create(&gds_render_module_def);
+
+	err = gds_render_module_add_types(gds_render_module);
+	if (err) {
+		Py_DECREF(gds_render_module);
+		gds_render_module = NULL;
+		goto return_module;
+	}
+
+return_module:
+	return gds_render_module;
+}

plugins/python-renderer/src/glist.c

@@ -0,0 +1,72 @@
+/*
+ * GDSII-Converter Python Plugin
+ * Copyright (C) 2020  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 python-renderer/glist.c
+ * @author Mario Hüttel <mario.huettel@gmx.net>
+ */
+
+/**
+ * @defgroup python-plugin-glist GList wrapper for python
+ * @ingroup python-plugin
+ * This is a wrapping class for GLists
+ * This wrpper acts as a read only access to the lists
+ *
+ * @addtogroup python-plugin-glist
+ * @{
+ */
+
+#include <python-renderer/glist.h>
+
+struct _GListObject {
+	PyObject_HEAD
+	GList *head;
+	size_t len;
+};
+
+static PyObject *glist_to_list(GListObject *self, PyObject *Py_UNUSED(ignored))
+{
+	return Py_BuildValue("");
+}
+
+static PyMethodDef glist_methods[] = {
+	{"tolist", (PyCFunction)glist_to_list, METH_NOARGS, "Convert GList to editable list"}
+};
+
+void glist_set_head_ptr(GListObject *self, GList *head)
+{
+	if (!self || !head)
+		return;
+
+	self->head = head;
+	self->len = g_list_length(self->head);
+}
+
+PyTypeObject GListType = {
+	PyVarObject_HEAD_INIT(NULL, 0)
+	.tp_name = "gds_render.GList",
+	.tp_doc = "Read only GList",
+	.tp_basicsize = sizeof(GListObject),
+	.tp_itemsize = 0,
+	.tp_flags = Py_TPFLAGS_DEFAULT,
+	.tp_new = PyType_GenericNew,
+	.tp_methods = glist_methods
+};
+
+/** @} */

plugins/python-renderer/src/plugin-main.c

@@ -0,0 +1,173 @@
+/*
+ * GDSII-Converter Python Plugin
+ * Copyright (C) 2019  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 python-renderer/plugin-main.c
+ * @author Mario Hüttel <mario.huettel@gmx.net>
+ */
+
+/**
+ * @defgroup python-plugin Python Plugin for External Renderer
+ * @ingroup plugins
+ * This is a plugin for calling an external python script as renderer
+ * @addtogroup python-plugin
+ * @{
+ */
+
+#include <stdio.h>
+#include <libgen.h>
+#include <glib.h>
+#include <unistd.h>
+#include <Python.h>
+
+#include <gds-render/gds-utils/gds-types.h>
+#include <gds-render/output-renderers/external-renderer-interfaces.h>
+
+#include <python-renderer/gds-render-module.h>
+
+/**
+ * @brief Global variable for loaded module. This is not very nice.
+ * @warning This has to be changed, if this api wants to be re-entrant.
+ */
+static PyObject *p_module = NULL;
+
+int EXPORTED_FUNC_DECL(EXTERNAL_LIBRARY_RENDER_FUNCTION)(struct gds_cell *toplevel, GList *layer_info_list, const char *output_file_name, double scale)
+{
+	int ret = 0;
+	PyObject *p_render_func;
+	PyObject *p_return_value;
+
+	if (!toplevel)
+		return -1000;
+	if (!p_module)
+		return -2000;
+
+	printf("Rendering %s\n", toplevel->name);
+
+	p_render_func = PyObject_GetAttrString(p_module, "test_func");
+	if (!p_render_func && !PyCallable_Check(p_render_func)) {
+		if (PyErr_Occurred())
+			PyErr_Print();
+		else
+			fprintf(stderr, "Function not found in python module\n");
+
+		ret = -1;
+		goto return_value;
+	}
+
+	p_return_value = PyObject_CallObject(p_render_func, NULL);
+	if (p_return_value) {
+		printf("Result of call: %ld\n", PyLong_AsLong(p_return_value));
+		Py_DECREF(p_return_value);
+	}
+
+	Py_XDECREF(p_render_func);
+
+return_value:
+	return ret;
+}
+
+int EXPORTED_FUNC_DECL(EXTERNAL_LIBRARY_INIT_FUNCTION)(const char *params, const char *version)
+{
+	int ret = 0;
+	PyObject *p_name;
+	PyObject *p_sys_path;
+	PyObject *p_mod_dir_string;
+	PyObject *gds_render_module;
+	char file_path[PATH_MAX];
+	char *file_path_for_dir;
+	char *file_path_for_base;
+	char *dir_name;
+	char *base_name;
+
+	if (!params || !version)
+		return -1000;
+
+	printf("Init with params: %s\ngds-render version: %s\n", params, version);
+
+	ret = PyImport_AppendInittab("gds_render", &init_gds_render_module);
+	if (ret) {
+		ret = -1;
+		fprintf(stderr, "Registration of gds_render python module failed\n");
+		goto return_value;
+	}
+
+	Py_Initialize();
+
+	if (!realpath(params, file_path)) {
+		ret = -2;
+		fprintf(stderr, "Invalid file name.\n");
+		goto return_value;
+	}
+
+	file_path_for_dir = strdup(file_path);
+	if (!file_path_for_dir) {
+		ret = -3;
+		goto return_value;
+	}
+
+	file_path_for_base = strdup(file_path);
+	if (!file_path_for_base) {
+		ret = -3;
+		free (file_path_for_dir);
+		goto return_value;
+	}
+
+	dir_name = dirname(file_path_for_dir);
+	base_name = basename(file_path_for_base);
+
+	printf("Dir name : %s\n BAse name: %s\n", dir_name, base_name);
+
+	p_sys_path = PySys_GetObject("path");
+	p_mod_dir_string = PyUnicode_FromString(dir_name);
+	PyList_Append(p_sys_path, p_mod_dir_string);
+	Py_DECREF(p_mod_dir_string);
+
+	p_name = PyUnicode_DecodeFSDefault(strtok(base_name, "."));
+	p_module = PyImport_Import(p_name);
+	Py_DECREF(p_name);
+
+	if (!p_module) {
+		PyErr_Print();
+		fprintf(stderr, "Failed to load %s\n", params);
+		ret = -1;
+		goto return_value;
+	}
+
+	free(file_path_for_dir);
+	free(file_path_for_base);
+
+return_value:
+	return ret;
+}
+
+int EXPORTED_FUNC_DECL(EXTERNAL_LIBRARY_FINALIZE_FUNCTION)(void)
+{
+	int ret;
+
+	printf("Finalizing\n");
+
+	if (p_module)
+		Py_DECREF(p_module);
+
+	ret = Py_FinalizeEx();
+	return ret;
+}
+
+/** @} */

version/version.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

widgets/activity-bar.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /*

widgets/conv-settings-dialog.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**

widgets/layer-element.c

@@ -14,7 +14,7 @@
  * 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/>.
+ * along with GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /*