Add Glist wrapper to python renderer

* Fix typo
* Extend description

AUR/PKGBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Mario Hüttel <mario (dot) huettel (!) gmx (dot) net>
 
 pkgname=gds-render
-pkgver=20191020.403.448de30
+pkgver=v1.2_10_g00d02b8
 pkgrel=1
 pkgdesc="Conversion tool for converting GDS layout files into TikZ Code and PDF"
 arch=('i686' 'x86_64')
@@ -15,8 +15,8 @@ sha1sums=('SKIP')
 
 pkgver () {
 	_date=`date +"%Y%m%d"`
-	cd "${srcdir}/${pkgname}-git"
-	echo "$_date.$(git rev-list --count master).$(git rev-parse --short master)"
+	cd "${srcdir}/${pkgname}-git/version"
+	echo "$(echo "$(sh ./generate-version-string.sh)" | sed 's/-/_/g')"
 }
 
 build () {

CMakeLists.txt

@@ -33,8 +33,6 @@ pkg_check_modules(CAIRO REQUIRED cairo)
 include_directories(${GLIB_INCLUDE_DIRS} ${GTK3_INCLUDE_DIRS} ${CAIRO_INCLUDE_DIRS} ${CMAKE_CURRENT_SOURCE_DIR}/include)
 add_subdirectory(plugins)
 
-add_compile_options(-Wall -Wextra -Wold-style-declaration -Wuninitialized -Wmaybe-uninitialized -Wunused-parameter)
-
 IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
         message("${Yellow}Debug mode for translations used!${ColorReset}")
 	add_definitions(-DGETTEXT_PACKAGE=\"gds-render\" -DLOCALEDATADIR=\"${CMAKE_CURRENT_BINARY_DIR}/translations/output\")
@@ -44,13 +42,7 @@ else(CMAKE_BUILD_TYPE STREQUAL "Debug")
 	add_definitions(-DGETTEXT_PACKAGE=\"gds-render\" -DLOCALEDATADIR=\"/usr/share\")
 ENDIF(CMAKE_BUILD_TYPE STREQUAL "Debug")
 
-add_subdirectory(resources)
-add_subdirectory(doxygen)
-add_subdirectory(translations)
-add_subdirectory(version)
 
-link_directories(${GLIB_LINK_DIRS} ${GTK3_LINK_DIRS} ${CAIRO_LINK_DIRS})
-add_definitions(${GLIB2_CFLAGS_OTHER})
 
 aux_source_directory("widgets" LAYER_SOURCES)
 aux_source_directory("cell-selector" CELL_SELECTOR_SOURCES)
@@ -74,15 +66,29 @@ set(SOURCE_GENERATED
   ${CMAKE_CURRENT_BINARY_DIR}/resources/resources.c
 )
 
+link_directories(${GLIB_LINK_DIRS} ${GTK3_LINK_DIRS} ${CAIRO_LINK_DIRS})
 SET_SOURCE_FILES_PROPERTIES(${SOURCE_GENERATED} PROPERTIES GENERATED 1)
 
+add_subdirectory(test)
+
+add_compile_options(-Wall -Wextra -Wold-style-declaration -Wuninitialized -Wmaybe-uninitialized -Wunused-parameter)
+
+add_subdirectory(resources)
+add_subdirectory(doxygen)
+add_subdirectory(translations)
+add_subdirectory(version)
+
+link_directories(${GLIB_LINK_DIRS} ${GTK3_LINK_DIRS} ${CAIRO_LINK_DIRS})
+add_definitions(${GLIB2_CFLAGS_OTHER})
+
 add_executable(${PROJECT_NAME} ${SOURCE} ${SOURCE_GENERATED})
 add_dependencies(${PROJECT_NAME} glib-resources)
 add_dependencies(${PROJECT_NAME} version)
 add_dependencies(${PROJECT_NAME} translations)
 
-target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m version ${CMAKE_DL_LIBS})
 install (TARGETS ${PROJECT_NAME} 
 	RUNTIME	
 		DESTINATION bin
 	)
+target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m version ${CMAKE_DL_LIBS})
+

cell-selector/lib-cell-renderer.c

@@ -88,11 +88,13 @@ static void lib_cell_renderer_set_property(GObject      *object,
 		g_value_init(&val, G_TYPE_STRING);
 		g_value_set_string(&val, ((struct gds_library *)g_value_get_pointer(value))->name);
 		g_object_set_property(object, "text", &val);
+		g_value_unset(&val);
 		break;
 	case PROP_CELL:
 		g_value_init(&val, G_TYPE_STRING);
 		g_value_set_string(&val, ((struct gds_cell *)g_value_get_pointer(value))->name);
 		g_object_set_property(object, "text", &val);
+		g_value_unset(&val);
 		break;
 	case PROP_ERROR_LEVEL:
 		/* Set cell color according to error level */
@@ -100,6 +102,7 @@ static void lib_cell_renderer_set_property(GObject      *object,
 		convert_error_level_to_color(&color, g_value_get_uint(value));
 		g_value_set_boxed(&val, &color);
 		g_object_set_property(object, "foreground-rgba", &val);
+		g_value_unset(&val);
 		break;
 	default:
 		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);

doxygen/Doxyconfig

@@ -1,4 +1,4 @@
-# Doxyfile 1.8.16
+# Doxyfile 1.8.17
 
 # This file describes the settings to be used by the documentation system
 # doxygen (www.doxygen.org) for a project.
@@ -309,7 +309,7 @@ OPTIMIZE_OUTPUT_SLICE  = NO
 # parses. With this tag you can assign which parser to use for a given
 # extension. Doxygen has a built-in mapping, but you can override or extend it
 # using this tag. The format is ext=language, where ext is a file extension, and
-# language is one of the parsers supported by doxygen: IDL, Java, Javascript,
+# language is one of the parsers supported by doxygen: IDL, Java, JavaScript,
 # Csharp (C#), C, C++, D, PHP, md (Markdown), Objective-C, Python, Slice,
 # Fortran (fixed format Fortran: FortranFixed, free formatted Fortran:
 # FortranFree, unknown formatted Fortran: Fortran. In the later case the parser
@@ -535,8 +535,8 @@ HIDE_UNDOC_MEMBERS     = NO
 HIDE_UNDOC_CLASSES     = NO
 
 # If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend
-# (class|struct|union) declarations. If set to NO, these declarations will be
-# included in the documentation.
+# declarations. If set to NO, these declarations will be included in the
+# documentation.
 # The default value is: NO.
 
 HIDE_FRIEND_COMPOUNDS  = NO
@@ -851,8 +851,10 @@ INPUT_ENCODING         = UTF-8
 # If left blank the following patterns are tested:*.c, *.cc, *.cxx, *.cpp,
 # *.c++, *.java, *.ii, *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h,
 # *.hh, *.hxx, *.hpp, *.h++, *.cs, *.d, *.php, *.php4, *.php5, *.phtml, *.inc,
-# *.m, *.markdown, *.md, *.mm, *.dox, *.py, *.pyw, *.f90, *.f95, *.f03, *.f08,
-# *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf, *.qsf and *.ice.
+# *.m, *.markdown, *.md, *.mm, *.dox (to be provided as doxygen C comment),
+# *.doc (to be provided as doxygen C comment), *.txt (to be provided as doxygen
+# C comment), *.py, *.pyw, *.f90, *.f95, *.f03, *.f08, *.f, *.for, *.tcl, *.vhd,
+# *.vhdl, *.ucf, *.qsf and *.ice.
 
 FILE_PATTERNS          = *.c \
                          *.cc \
@@ -928,7 +930,7 @@ EXCLUDE_SYMLINKS       = NO
 # Note that the wildcards are matched against the file with absolute path, so to
 # exclude all test directories for example use the pattern */test/*
 
-EXCLUDE_PATTERNS       =
+EXCLUDE_PATTERNS       = */test/*
 
 # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
 # (namespaces, classes, functions, etc.) that should be excluded from the
@@ -1265,9 +1267,9 @@ HTML_TIMESTAMP         = NO
 
 # If the HTML_DYNAMIC_MENUS tag is set to YES then the generated HTML
 # documentation will contain a main index with vertical navigation menus that
-# are dynamically created via Javascript. If disabled, the navigation index will
+# are dynamically created via JavaScript. If disabled, the navigation index will
 # consists of multiple levels of tabs that are statically embedded in every HTML
-# page. Disable this option to support browsers that do not have Javascript,
+# page. Disable this option to support browsers that do not have JavaScript,
 # like the Qt help browser.
 # The default value is: YES.
 # This tag requires that the tag GENERATE_HTML is set to YES.
@@ -1555,8 +1557,14 @@ FORMULA_FONTSIZE       = 10
 
 FORMULA_TRANSPARENT    = YES
 
+# The FORMULA_MACROFILE can contain LaTeX \newcommand and \renewcommand commands
+# to create new LaTeX commands to be used in formulas as building blocks. See
+# the section "Including formulas" for details.
+
+FORMULA_MACROFILE      =
+
 # Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
-# https://www.mathjax.org) which uses client side Javascript for the rendering
+# https://www.mathjax.org) which uses client side JavaScript for the rendering
 # instead of using pre-rendered bitmaps. Use this if you do not have LaTeX
 # installed or if you want to formulas look prettier in the HTML output. When
 # enabled you may also need to install MathJax separately and configure the path
@@ -1626,7 +1634,7 @@ MATHJAX_CODEFILE       =
 SEARCHENGINE           = YES
 
 # When the SERVER_BASED_SEARCH tag is enabled the search engine will be
-# implemented using a web server instead of a web client using Javascript. There
+# implemented using a web server instead of a web client using JavaScript. There
 # are two flavors of web server based searching depending on the EXTERNAL_SEARCH
 # setting. When disabled, doxygen will generate a PHP script for searching and
 # an index file used by the script. When EXTERNAL_SEARCH is enabled the indexing

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
@@ -47,7 +47,7 @@ Once cmake has finished, type
  make
 @endcode
 to build the program and 
-
+ 
 @code
  make documentation
 @endcode
@@ -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 |
 | ------- | ---------- |

gds-utils/gds-parser.c

@@ -80,6 +80,7 @@ enum gds_record {
 	STRANS = 0x1A01,
 	BOX = 0x2D00,
 	LAYER = 0x0D02,
+	DATATYPE = 0x0E02,
 	WIDTH = 0x0F03,
 	PATHTYPE = 0x2102,
 	COLROW = 0x1302,
@@ -867,6 +868,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 		case LIBNAME:
 		case SNAME:
 		case LAYER:
+		case DATATYPE:
 		case STRNAME:
 			break;
 		default:
@@ -1003,6 +1005,16 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			}
 			GDS_INF("\t\tAdded layer %d\n", (int)current_graphics->layer);
 			break;
+		case DATATYPE:
+			if (!current_graphics) {
+				GDS_WARN("Datatype has to be defined inside graphics object. Probably unknown object. Implement it yourself!");
+				break;
+			}
+			current_graphics->datatype = gds_convert_signed_int16(workbuff);
+			if (current_graphics->datatype < 0)
+				GDS_WARN("Datatype negative!");
+			GDS_INF("\t\tAdded datatype %d\n", (int)current_graphics->datatype);
+			break;
 		case MAG:
 			if (rec_data_length != 8) {
 				GDS_WARN("Magnification is not an 8 byte real. Results may be wrong");

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);

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

@@ -101,7 +101,7 @@ struct gds_graphics {
 	enum path_type path_render_type; /**< @brief Line cap */
 	int width_absolute; /**< @brief Width. Not used for objects other than paths */
 	int16_t layer; /**< @brief Layer the graphic object is on */
-	uint16_t datatype;
+	int16_t datatype; /**< @brief Data type of graphic object */
 };
 
 /**

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

@@ -35,10 +35,17 @@
 #include <gds-render/gds-utils/gds-types.h>
 
 /**
- * @brief calculate_cell_bounding_box Calculate bounding box of gds cell
- * @param box Resulting boundig box. Will be uüdated and not overwritten
+ * @brief Calculate bounding box of a gds cell.
+ *
+ * This function updates a given bounding box with the dimensions of a
+ * gds_cell. Please note that the handling of path miter points is not complete yet.
+ * If a path object is the outmost object of your cell at any edge,
+ * the resulting bounding box might be the wrong size. The devistion from the real size
+ * is guaranteed to be within the width of the path object.
+ *
+ * @param box Resulting boundig box. Will be updated and not overwritten
  * @param cell Toplevel cell
- * @warning Path handling not yet implemented correctly.
+ * @warning Handling of Path graphic objects not yet implemented correctly.
  */
 void calculate_cell_bounding_box(union bounding_box *box, struct gds_cell *cell);
 

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

@@ -41,7 +41,7 @@ struct layer_info
 {
 	int layer; /**< @brief Layer number */
 	char *name; /**< @brief Layer name. */
-	int stacked_position; ///< @brief Position of layer in output @warning This parameter is not used by any renderer so far @note Lower is bottom, higher is top
+	int stacked_position; /**< @brief Position of layer in output @warning This parameter is not used by any renderer so far @note Lower is bottom, higher is top */
 	GdkRGBA color; /**< @brief RGBA color used to render this layer */
 	int render; /**< @brief true: Render to output */
 };

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

@@ -1,3 +1,22 @@
+/*
+ * 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/>.
+ */
+
 #ifndef __EXTERNAL_RENDERER_INTERFACES_H__
 #define __EXTERNAL_RENDERER_INTERFACES_H__
 

output-renderers/gds-output-renderer.c

@@ -100,6 +100,11 @@ static void gds_output_renderer_dispose(GObject *self_obj)
 	if (priv->output_file)
 		g_free(priv->output_file);
 
+	if (priv->idle_function_parameters.status_message) {
+		g_free(priv->idle_function_parameters.status_message);
+		priv->idle_function_parameters.status_message = NULL;
+	}
+
 	g_clear_object(&priv->layer_settings);
 
 	/* Chain up to parent class */

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

@@ -47,6 +47,7 @@ int EXPORTED_FUNC_DECL(EXTERNAL_LIBRARY_INIT_FUNCTION)(const char *params, const
 
 int EXPORTED_FUNC_DECL(EXTERNAL_LIBRARY_FINALIZE_FUNCTION)(void)
 {
+	printf("Finalize function called.\n");
 	return 0;
 }
 

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>
-
-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,
-};
+#include <python-renderer/glist.h>
 
 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);
-	err = PyModule_AddObject(module, "GdsPoint", (PyObject *)&GdsPointType);
+	Py_INCREF(&GListType);
+	err = PyModule_AddObject(module, "GdsPoint", (PyObject *)&GListType);
 	if (err < 0) {
-		goto decref_gds_point;
+		goto decref_glist;
 	}
 
 	return 0;
 
-decref_gds_point:
-	Py_DECREF(&GdsPointType);
+decref_glist:
+	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
+};
+
+/** @} */

test/CMakeLists.txt

@@ -0,0 +1,41 @@
+project(gds-render-test)
+
+add_custom_target(test "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}" "-r compact" "-s" DEPENDS ${PROJECT_NAME})
+
+if(NOT WIN32)
+  string(ASCII 27 Esc)
+  set(ColorReset "${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   "${Esc}[1;37m")
+endif()
+
+cmake_minimum_required(VERSION 2.8)
+find_package(PkgConfig REQUIRED)
+
+include_directories("${CMAKE_CURRENT_SOURCE_DIR}/catch-framework")
+
+aux_source_directory("geometric" GEOMETRIC_TEST_SOURCES)
+set(TEST_SOURCES
+	${GEOMETRIC_TEST_SOURCES}
+)
+
+set(DUT_SOURCES
+	"../geometric/vector-operations.c"
+)
+
+add_executable(${PROJECT_NAME} EXCLUDE_FROM_ALL "test-main.cpp" ${TEST_SOURCES} ${DUT_SOURCES})
+target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m version ${CMAKE_DL_LIBS})
+

test/geometric/vector-operations.cpp

@@ -0,0 +1,160 @@
+#include <catch.hpp>
+#include <limits>
+
+extern "C" {
+#include <gds-render/geometric/vector-operations.h>
+}
+
+TEST_CASE("geometric/vector-operations/vector_2d_add", "[GEOMETRIC]")
+{
+	struct vector_2d res;
+	struct vector_2d a;
+	struct vector_2d b;
+
+	a.x = 1;
+	a.y = 2;
+
+	b.x = 2;
+	b.y = 6;
+
+	vector_2d_add(&res, &a, &b);
+
+	REQUIRE(res.x == Approx(a.x + b.x));
+	REQUIRE(res.y == Approx(a.y + b.y));
+}
+
+TEST_CASE("geometric/vector-operations/vector_2d_calculate_angle_between", "[GEOMETRIC]")
+{
+	double angle;
+	struct vector_2d a;
+	struct vector_2d b;
+
+	a.x = 1;
+	a.y = 0;
+
+	b.x = 0;
+	b.y = 1;
+
+	angle = vector_2d_calculate_angle_between(&a, &a);
+	REQUIRE(angle == Approx(0.0));
+
+	angle = vector_2d_calculate_angle_between(&a, &b);
+	REQUIRE(angle == Approx(90.0 / 180.0 * M_PI));
+}
+
+TEST_CASE("geometric/vector-operations/vector_2d_subtract", "[GEOMETRIC]")
+{
+	struct vector_2d res;
+	struct vector_2d a;
+	struct vector_2d b;
+
+	a.x = 1;
+	a.y = 2;
+
+	b.x = 2;
+	b.y = 6;
+
+	vector_2d_subtract(&res, &a, &b);
+
+	REQUIRE(res.x == Approx(a.x - b.x));
+	REQUIRE(res.y == Approx(a.y - b.y));
+}
+
+TEST_CASE("geometric/vector-operations/vector_2d_abs", "[GEOMETRIC]")
+{
+	struct vector_2d c;
+	struct vector_2d a;
+	struct vector_2d b;
+	double a_len, b_len, c_len;
+
+	a.x = 1;
+	a.y = 0;
+
+	b.x = 0;
+	b.y = 2;
+
+	c.x = 3;
+	c.y = 4;
+
+	a_len = vector_2d_abs(&a);
+	b_len = vector_2d_abs(&b);
+	c_len = vector_2d_abs(&c);
+
+	REQUIRE(a_len == Approx(1.0));
+	REQUIRE(b_len == Approx(2.0));
+	REQUIRE(c_len == Approx(5.0));
+}
+
+TEST_CASE("geometric/vector-operations/vector_2d_scalar_multipy", "[GEOMETRIC]")
+{
+	struct vector_2d c;
+	struct vector_2d a;
+	struct vector_2d b;
+	double mult;
+
+	a.x = 1;
+	a.y = 0;
+	b.x = 0;
+	b.y = 2;
+	mult = vector_2d_scalar_multipy(&a, &b);
+	REQUIRE(mult == Approx(0.0));
+	
+	a.x = 1;
+	a.y = 1;
+	b.x = 1;
+	b.y = 1;
+	mult = vector_2d_scalar_multipy(&a, &b);
+	REQUIRE(mult == Approx(2.0));	
+}
+
+TEST_CASE("geometric/vector-operations/vector_2d_normalize", "[GEOMETRIC]")
+{
+	struct vector_2d a;
+
+	a.x = 1;
+	a.y = 0;
+	vector_2d_normalize(&a);
+	REQUIRE(a.x == Approx(1.0));
+	REQUIRE(a.y == Approx(0.0));
+
+	a.x = 1;
+	a.y = -1;
+	vector_2d_normalize(&a);
+	REQUIRE(a.x == Approx(1.0/sqrt(2)));
+	REQUIRE(a.y == Approx(-1.0/sqrt(2)));
+}
+
+TEST_CASE("geometric/vector-operations/vector_2d_rotate", "[GEOMETRIC]")
+{
+	struct vector_2d a;
+
+	a.x = 1;
+	a.y = 0;
+	vector_2d_rotate(&a, M_PI/2);
+	REQUIRE(a.x == Approx(0.0).scale(0.001));
+	REQUIRE(a.y == Approx(1.0));
+
+	a.x = 0;
+	a.y = 1;
+	vector_2d_rotate(&a, -M_PI/2);
+	vector_2d_rotate(&a, M_PI);
+	REQUIRE(a.x == Approx(-1.0));
+	REQUIRE(a.y == Approx(0.0).scale(0.001));
+}
+
+TEST_CASE("geometric/vector-operations/vector_2d_scale", "[GEOMETRIC]")
+{
+	struct vector_2d a;
+
+	a.x = 1;
+	a.y = 0;
+	vector_2d_scale(&a, 2.0);
+	REQUIRE(a.x == Approx(2.0));
+	REQUIRE(a.y == Approx(0.0));
+
+	a.x = 1;
+	a.y = -3;
+	vector_2d_scale(&a, 0.5);
+	REQUIRE(a.x == Approx(0.5));
+	REQUIRE(a.y == Approx(-1.5));
+}

test/test-main.cpp

@@ -0,0 +1,2 @@
+#define CATCH_CONFIG_MAIN
+#include "catch-framework/catch.hpp"