Add Glist wrapper to python renderer

doxygen/compilation.dox

@@ -30,7 +30,7 @@ Development is done with the following library versions:
 
 | Cairographics | GLib2      | GTK3      |
 | ------------- | ---------- | --------- |
-| 1.17.3        | 2.60.6-1   | 3.24.10-1 |
+| 1.17.2        | 2.64.2     | 3.24.18   |
 
 @section comp-instr Compilation Instructions
 @subsection linux-build General Linux Build Instruction
@@ -59,7 +59,7 @@ The subfolder 'AUR' contains a PKGBUILD file to build an Archlinux/Pacman packag
 
 @subsection comp-warnings Compiler Warnings
 
-The compiler will throw the following warnings. Compiled with GCC 8.2.1.
+The compiler will throw the following warnings. Compiled with GCC 9.3.0.
 
 | Warning | Assessment |
 | ------- | ---------- |

geometric/vector-operations.c

@@ -65,7 +65,7 @@ void vector_2d_rotate(struct vector_2d *vec, double angle)
 	sin_val = sin(angle);
 	cos_val = cos(angle);
 
-	vector_2d_copy(&temp, vec);
+	(void)vector_2d_copy(&temp, vec);
 
 	/* Apply rotation matrix */
 	vec->x = (cos_val * temp.x) - (sin_val * temp.y);

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/gds-render-module.c

@@ -25,21 +25,7 @@
 
 #include <python-renderer/gds-render-module.h>
 #include <gds-render/gds-utils/gds-types.h>
-
+#include <python-renderer/glist.h>
-typedef struct {
-	PyObject_HEAD
-	/* TODO: Fill in type specific fields */
-} GdsPointObject;
-
-static PyTypeObject GdsPointType = {
-	PyVarObject_HEAD_INIT(NULL, 0)
-	.tp_name = GDS_RENDER_MOD_NAME ".GdsPoint",
-	.tp_doc = "2D Gds Database Point",
-	.tp_basicsize = sizeof(GdsPointObject),
-	.tp_itemsize = 0,
-	.tp_flags = Py_TPFLAGS_DEFAULT,
-	.tp_new = PyType_GenericNew,
-};
 
 static PyObject *test(PyObject *self, PyObject *args)
 {
@@ -69,7 +55,7 @@ static PyModuleDef gds_render_module_def = {
 
 static int gds_render_module_check_types_ready()
 {
-	if (PyType_Ready(&GdsPointType) < 0)
+	if (!PyType_Ready(&GListType))
 		return -1;
 
 	return 0;
@@ -79,16 +65,16 @@ static int gds_render_module_add_types(PyObject *module)
 {
 	int err;
 
-	Py_INCREF(&GdsPointType);
+	Py_INCREF(&GListType);
-	err = PyModule_AddObject(module, "GdsPoint", (PyObject *)&GdsPointType);
+	err = PyModule_AddObject(module, "GdsPoint", (PyObject *)&GListType);
 	if (err < 0) {
-		goto decref_gds_point;
+		goto decref_glist;
 	}
 
 	return 0;
 
-decref_gds_point:
+decref_glist:
-	Py_DECREF(&GdsPointType);
+	Py_DECREF(&GListType);
 	return -1;
 }
 

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
+};
+
+/** @} */