Add license

Add application menu and about dialog
reconstructed code to use g_application
2018-07-23 15:26:51 +02:00 · 2018-07-23 15:10:40 +02:00 · 2018-07-23 13:10:34 +02:00 · 2018-07-23 09:59:26 +02:00 · 2018-07-23 09:58:14 +02:00 · 2018-07-22 16:55:20 +02:00
38 changed files with 18429 additions and 527 deletions
--- a/.buildconfig
+++ b/.buildconfig
@@ -0,0 +1,10 @@
+[default]
+name=Default
+runtime=host
+config-opts=
+run-opts=
+prefix=/home/mari/.cache/gnome-builder/install/gds-render/host
+app-id=
+postbuild=
+prebuild=
+default=true
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,28 +2,37 @@ cmake_minimum_required(VERSION 2.8)
 find_package(PkgConfig REQUIRED)
 pkg_search_module(GLIB REQUIRED glib-2.0)
 pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
+pkg_check_modules(CAIRO REQUIRED cairo)

 project(gds-render)

 add_subdirectory(glade)

-include_directories(${GLIB_INCLUDE_DIRS} ${GTK3_INCLUDE_DIRS} "layer-widget")
-link_directories(${GLIB_LINK_DIRS} ${GTK3_LINK_DIRS})
+include_directories(${GLIB_INCLUDE_DIRS} ${GTK3_INCLUDE_DIRS} ${CAIRO_INCLUDE_DIRS})
+link_directories(${GLIB_LINK_DIRS} ${GTK3_LINK_DIRS} ${CAIRO_LINK_DIRS})
 add_definitions(${GLIB2_CFLAGS_OTHER})


-aux_source_directory("layer-widget" SUB_SOURCES)
-set(SOURCE "main.c" "gdsparse.c" "layer-selector.c")
-
+aux_source_directory("widgets" LAYER_SOURCES)
+aux_source_directory("tree-renderer" RENDERER_SOURCES)
+aux_source_directory("gds-parser" PARSER_SOURCES)
+aux_source_directory("latex-output" LATEX_SOURCES)
+aux_source_directory("cairo-output" CAIRO_SOURCES)
+set(SOURCE "main.c" "layer-selector.c" "main-window.c")

 set(SOURCE
  ${SOURCE}
-  ${SUB_SOURCES}
+  ${LAYER_SOURCES}
+  ${RENDERER_SOURCES}
+  ${PARSER_SOURCES}
+  ${LATEX_SOURCES}
+  ${CAIRO_SOURCES}
 )

+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} ${GTK3_LDFLAGS} m)
+target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m)

--- a/cairo-output/cairo-output.c
+++ b/cairo-output/cairo-output.c
@@ -0,0 +1,248 @@
+/*
+ * 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/>.
+ */
+
+#include "cairo-output.h"
+#include <math.h>
+#include <stdlib.h>
+#include <cairo.h>
+#include <cairo-pdf.h>
+
+struct cairo_layer {
+		cairo_t *cr;
+		cairo_surface_t *rec;
+		struct layer_info *linfo;
+};
+
+static void revert_inherited_transform(struct cairo_layer *layers)
+{
+	int i;
+
+	for (i = 0; i < MAX_LAYERS; i++) {
+		if (layers[i].cr == NULL)
+			continue;
+		cairo_restore(layers[i].cr);
+	}
+}
+
+static void apply_inherited_transform_to_all_layers(struct cairo_layer *layers,
+						    const struct gds_point *origin,
+						    double magnification,
+						    gboolean flipping,
+						    double rotation,
+						    double scale)
+{
+	int i;
+	cairo_t *temp_layer_cr;
+
+	for (i = 0; i < MAX_LAYERS; i++) {
+		temp_layer_cr = layers[i].cr;
+		if (temp_layer_cr == NULL)
+			continue;
+
+		/* Save the state and apply transformation */
+		cairo_save(temp_layer_cr);
+		cairo_translate(temp_layer_cr, (double)origin->x/scale, (double)origin->y/scale);
+		cairo_rotate(temp_layer_cr, M_PI*rotation/180.0);
+		cairo_scale(temp_layer_cr, magnification,
+			    (flipping == TRUE ? -magnification : magnification));
+	}
+}
+
+static void render_cell(struct gds_cell *cell, struct cairo_layer *layers, double scale)
+{
+	GList *instance_list;
+	struct gds_cell *temp_cell;
+	struct gds_cell_instance *cell_instance;
+	GList *gfx_list;
+	struct gds_graphics *gfx;
+	GList *vertex_list;
+	struct gds_point *vertex;
+	cairo_t *cr;
+
+	/* Render child cells */
+	for (instance_list = cell->child_cells; instance_list != NULL; instance_list = instance_list->next) {
+		cell_instance = (struct gds_cell_instance *)instance_list->data;
+		if ((temp_cell = cell_instance->cell_ref) != NULL) {
+			apply_inherited_transform_to_all_layers(layers,
+								&cell_instance->origin,
+								cell_instance->magnification,
+								cell_instance->flipped,
+								cell_instance->angle,
+								scale);
+			render_cell(temp_cell, layers, scale);
+			revert_inherited_transform(layers);
+		}
+	}
+
+	/* Render graphics */
+	for (gfx_list = cell->graphic_objs; gfx_list != NULL; gfx_list = gfx_list->next) {
+		gfx = (struct gds_graphics *)gfx_list->data;
+
+		/* Get layer renderer */
+		if (gfx->layer >= MAX_LAYERS)
+			continue;
+		if ((cr = layers[gfx->layer].cr) == NULL)
+			continue;
+
+		/* Apply settings */
+		cairo_set_line_width(cr, (gfx->width_absolute ? gfx->width_absolute/scale : 1));
+
+		switch (gfx->path_render_type) {
+		case PATH_FLUSH:
+			cairo_set_line_cap(cr, CAIRO_LINE_CAP_BUTT);
+			break;
+		case PATH_ROUNDED:
+			cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
+			break;
+		case PATH_SQUARED:
+			cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
+			break;
+		}
+
+		/* Add vertices */
+		for (vertex_list = gfx->vertices; vertex_list != NULL; vertex_list = vertex_list->next) {
+			vertex = (struct gds_point *)vertex_list->data;
+
+			/* If first point -> move to, else line to */
+			if (vertex_list->prev == NULL)
+				cairo_move_to(cr, vertex->x/scale, vertex->y/scale);
+			else
+				cairo_line_to(cr, vertex->x/scale, vertex->y/scale);
+
+		}
+
+		/* Create graphics object */
+		switch (gfx->gfx_type) {
+		case GRAPHIC_PATH:
+			cairo_stroke(cr);
+			break;
+		case GRAPHIC_BOX:
+		case GRAPHIC_POLYGON:
+			cairo_set_line_width(cr, 0.1/scale);
+			cairo_close_path(cr);
+			cairo_stroke_preserve(cr); // Prevent graphic glitches
+			cairo_fill(cr);
+			break;
+		}
+
+	}
+
+}
+
+void cairo_render_cell_to_pdf(struct gds_cell *cell, GList *layer_infos, char *pdf_file, double scale)
+{
+	cairo_surface_t *pdf_surface;
+	cairo_t *pdf_cr;
+	struct layer_info *linfo;
+	struct cairo_layer *layers;
+	struct cairo_layer *lay;
+	GList *info_list;
+	int i;
+	double rec_x0, rec_y0, rec_width, rec_height;
+	double xmin = INT32_MAX, xmax = INT32_MIN, ymin = INT32_MAX, ymax = INT32_MIN;
+
+	layers = (struct cairo_layer *)calloc(MAX_LAYERS, sizeof(struct cairo_layer));
+
+	/* Clear layers */
+	for (i = 0; i < MAX_LAYERS; i++) {
+		layers[i].cr = NULL;
+		layers[i].rec = NULL;
+	}
+
+	/* Create recording surface for each layer */
+	for (info_list = layer_infos; info_list != NULL; info_list = g_list_next(info_list)) {
+		linfo = (struct layer_info *)info_list->data;
+		if (linfo->layer < MAX_LAYERS) {
+			lay = &(layers[(unsigned int)linfo->layer]);
+			lay->linfo = linfo;
+			lay->rec = cairo_recording_surface_create(CAIRO_CONTENT_COLOR_ALPHA,
+								  NULL);
+			lay->cr = cairo_create(layers[(unsigned int)linfo->layer].rec);
+			cairo_scale(lay->cr, 1, -1); // Fix coordinate system
+			cairo_set_source_rgb(lay->cr, linfo->color.red, linfo->color.green, linfo->color.blue);
+		} else {
+			printf("Layer number (%d) too high!\n", linfo->layer);
+			goto ret_clear_layers;
+		}
+	}
+
+
+	render_cell(cell, layers, scale);
+
+	/* get size of image and top left coordinate */
+	for (info_list = layer_infos; info_list != NULL; info_list = g_list_next(info_list)) {
+		linfo = (struct layer_info *)info_list->data;
+
+		if (linfo->layer >= MAX_LAYERS) {
+			printf("Layer outside of Spec.\n");
+			continue;
+		}
+
+		/* Print size */
+		cairo_recording_surface_ink_extents(layers[linfo->layer].rec, &rec_x0, &rec_y0,
+				&rec_width, &rec_height);
+		printf("Size of layer %d: %lf -- %lf\n", linfo->layer,
+		       rec_width, rec_height);
+
+		/* update bounding box */
+		xmin = MIN(xmin, rec_x0);
+		xmax = MAX(xmax, rec_x0);
+		ymin = MIN(ymin, rec_y0);
+		ymax = MAX(ymax, rec_y0);
+		xmin = MIN(xmin, rec_x0+rec_width);
+		xmax = MAX(xmax, rec_x0+rec_width);
+		ymin = MIN(ymin, rec_y0+rec_height);
+		ymax = MAX(ymax, rec_y0+rec_height);
+
+	}
+
+	printf("Bounding box: (%lf,%lf) -- (%lf,%lf)\n", xmin, ymin, xmax, ymax);
+
+	pdf_surface = cairo_pdf_surface_create(pdf_file, xmax-xmin, ymax-ymin);
+	pdf_cr = cairo_create(pdf_surface);
+
+	/* Write layers to PDF */
+	for (info_list = layer_infos; info_list != NULL; info_list = g_list_next(info_list)) {
+		linfo = (struct layer_info *)info_list->data;
+
+		if (linfo->layer >= MAX_LAYERS) {
+			printf("Layer outside of Spec.\n");
+			continue;
+		}
+
+		cairo_set_source_surface(pdf_cr, layers[linfo->layer].rec, -xmin, -ymin);
+		cairo_paint_with_alpha(pdf_cr, linfo->color.alpha);
+	}
+
+	cairo_show_page(pdf_cr);
+	cairo_destroy(pdf_cr);
+	cairo_surface_destroy(pdf_surface);
+
+ret_clear_layers:
+	for (i = 0; i < MAX_LAYERS; i++) {
+		lay = &layers[i];
+		if(lay->cr) {
+			cairo_destroy(lay->cr);
+			cairo_surface_destroy(lay->rec);
+		}
+	}
+	free(layers);
+
+	printf("cairo export finished. It might still be buggy!\n");
+}
--- a/cairo-output/cairo-output.h
+++ b/cairo-output/cairo-output.h
@@ -0,0 +1,30 @@
+/*
+ * 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 __CAIRO_OUTPUT_H__
+#define __CAIRO_OUTPUT_H__
+
+#include "../layer-selector.h"
+#include "../gds-parser/gds-types.h"
+
+#define MAX_LAYERS (300)
+
+void cairo_render_cell_to_pdf(struct gds_cell *cell, GList *layer_infos, char *pdf_file, double scale);
+
+#endif /* __CAIRO_OUTPUT_H__ */
--- a/gds-parser/gds-parser.c
+++ b/gds-parser/gds-parser.c
@@ -27,12 +27,13 @@
 */


-#include "gdsparse.h"
+#include "gds-parser.h"
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdbool.h>
 #include <math.h>
+#include <cairo.h>

 #define GDS_ERROR(fmt, ...) printf("[PARSE_ERROR] " fmt "\n", ##__VA_ARGS__)
 #define GDS_WARN(fmt, ...) printf("[PARSE_WARNING] " fmt "\n", ##__VA_ARGS__)
@@ -58,6 +59,8 @@ enum record {
 	STRANS = 0x1A01,
 	BOX = 0x2D00,
 	LAYER = 0x0D02,
+	WIDTH = 0x0F03,
+	PATHTYPE = 0x2102
 };

 static int name_cell_ref(struct gds_cell_instance *cell_inst,
@@ -83,7 +86,7 @@ static int name_cell_ref(struct gds_cell_instance *cell_inst,
 	return 0;
 }

-static double gds_convert_double(char *data)
+static double gds_convert_double(const char *data)
 {
 	bool sign_bit;
 	int i;
@@ -123,7 +126,7 @@ static double gds_convert_double(char *data)
 	return ret_val;
 }

-static signed int gds_convert_signed_int(char *data)
+static signed int gds_convert_signed_int(const char *data)
 {
 	int ret;

@@ -139,7 +142,7 @@ static signed int gds_convert_signed_int(char *data)
 	return ret;
 }

-static int16_t gds_convert_signed_int16(char *data)
+static int16_t gds_convert_signed_int16(const char *data)
 {
 	if (!data) {
 		GDS_ERROR("This should not happen");
@@ -149,7 +152,17 @@ static int16_t gds_convert_signed_int16(char *data)
 			(((int16_t)(data[1]) & 0xFF) <<  0));
 }

-static GList *append_library(GList *curr_list)
+static uint16_t gds_convert_unsigend_int16(const char *data)
+{
+	if (!data) {
+		GDS_ERROR("This should not happen");
+		return 0;
+	}
+	return (uint16_t)((((uint16_t)(data[0]) & 0xFF) <<  8) |
+			(((uint16_t)(data[1]) & 0xFF) <<  0));
+}
+
+static GList *append_library(GList *curr_list, struct gds_library **library_ptr)
 {
 	struct gds_library *lib;

@@ -161,6 +174,9 @@ static GList *append_library(GList *curr_list)
 		lib->cell_names = NULL;
 	} else
 		return NULL;
+	if (library_ptr)
+		*library_ptr = lib;
+
 	return g_list_append(curr_list, lib);
 }

@@ -175,7 +191,8 @@ static GList *append_graphics(GList *curr_list, enum graphics_type type,
 		gfx->layer = 0;
 		gfx->vertices = NULL;
 		gfx->width_absolute = 0;
-		gfx->type = type;
+		gfx->gfx_type = type;
+		gfx->path_render_type = PATH_FLUSH;
 	} else
 		return NULL;

@@ -286,7 +303,7 @@ static int name_cell(struct gds_cell *cell, unsigned int bytes,
 }


-void parse_reference_list(gpointer gcell_ref, gpointer glibrary)
+static void parse_reference_list(gpointer gcell_ref, gpointer glibrary)
 {
 	struct gds_cell_instance *inst = (struct gds_cell_instance *)gcell_ref;
 	struct gds_library *lib = (struct gds_library *)glibrary;
@@ -312,7 +329,7 @@ void parse_reference_list(gpointer gcell_ref, gpointer glibrary)
 	GDS_WARN("referenced cell could not be found in library");
 }

-void scan_cell_reference_dependencies(gpointer gcell, gpointer library)
+static void scan_cell_reference_dependencies(gpointer gcell, gpointer library)
 {
 	struct gds_cell *cell = (struct gds_cell *)gcell;

@@ -323,7 +340,7 @@ void scan_cell_reference_dependencies(gpointer gcell, gpointer library)

 }

-void scan_library_references(gpointer library_list_item, gpointer user)
+static void scan_library_references(gpointer library_list_item, gpointer user)
 {
 	struct gds_library *lib = (struct gds_library *)library_list_item;

@@ -331,9 +348,43 @@ void scan_library_references(gpointer library_list_item, gpointer user)
 	g_list_foreach(lib->cells, scan_cell_reference_dependencies, lib);
 }

+static void gds_parse_date(const char *buffer, int length, struct gds_time_field *mod_date, struct gds_time_field *access_date)
+{
+
+	struct gds_time_field *temp_date;
+
+	if (!access_date || !mod_date) {
+		GDS_WARN("Date structures invalid");
+		return;
+	}
+
+	if (length != (2*6*2)) {
+		GDS_WARN("Could not parse date field! Not the specified length");
+		return;
+	}
+
+	for (temp_date = mod_date; 1; temp_date = access_date) {
+		temp_date->year = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
+		temp_date->month = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
+		temp_date->day = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
+		temp_date->hour = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
+		temp_date->minute = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
+		temp_date->second = gds_convert_unsigend_int16(buffer);
+		buffer += 2;
+
+		if (temp_date == access_date)
+			break;
+	}
+}
+
 int parse_gds_from_file(const char *filename, GList **library_list)
 {
-	char workbuff[1024];
+	char *workbuff;
 	int read;
 	int i;
 	int run = 1;
@@ -350,8 +401,14 @@ int parse_gds_from_file(const char *filename, GList **library_list)

 	lib_list = *library_list;

+	/* Allocate working buffer */
+	workbuff = (char *)malloc(sizeof(char)*128*1024);
+
+	if(!workbuff)
+		return -100;
+
 	/* open File */
-	gds_file = fopen(filename, "r");
+	gds_file = fopen(filename, "rb");
 	if (gds_file == NULL) {
 		GDS_ERROR("Could not open File %s", filename);
 		return -1;
@@ -374,8 +431,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			break;
 		}

-		rec_data_length = (uint16_t)((((uint16_t)(workbuff[0])) << 8) |
-				(uint16_t)(workbuff[1]));
+		rec_data_length = gds_convert_unsigend_int16(workbuff);

 		if (rec_data_length < 4) {
 			/* Possible Zero-Padding: */
@@ -398,13 +454,12 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			GDS_ERROR("Unexpected end of file");
 			break;
 		}
-		rec_type = (uint16_t)((((uint16_t)(workbuff[0])) << 8) |
-				(uint16_t)(workbuff[1]));
+		rec_type = gds_convert_unsigend_int16(workbuff);

 		/* if begin: Allocate structures */
 		switch (rec_type) {
 		case BGNLIB:
-			lib_list = append_library(lib_list);
+			lib_list = append_library(lib_list, &current_lib);
 			if (lib_list == NULL) {
 				GDS_ERROR("Allocating memory failed");
 				run = -3;
@@ -412,8 +467,6 @@ int parse_gds_from_file(const char *filename, GList **library_list)

 			}
 			printf("Entering Lib\n");
-			current_lib = (struct gds_library *)
-					g_list_last(lib_list)->data;
 			break;
 		case ENDLIB:
 			if (current_lib == NULL) {
@@ -455,21 +508,22 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			current_cell = NULL;
 			printf("Leaving Cell\n");
 			break;
-			//case BOX:
+		case BOX:
 		case BOUNDARY:
 			if (current_cell == NULL) {
-				GDS_ERROR("Boundary outside of cell");
+				GDS_ERROR("Boundary/Box outside of cell");
 				run = -3;
 				break;
 			}
 			current_cell->graphic_objs = append_graphics(current_cell->graphic_objs,
-								     GRAPHIC_POLYGON, &current_graphics);
+								     (rec_type == BOUNDARY ? GRAPHIC_POLYGON : GRAPHIC_BOX),
+								     &current_graphics);
 			if (current_cell->graphic_objs == NULL) {
 				GDS_ERROR("Memory allocation failed");
 				run = -4;
 				break;
 			}
-			printf("\tEntering boundary\n");
+			printf("\tEntering boundary/Box\n");
 			break;
 		case SREF:
 			if (current_cell == NULL) {
@@ -505,7 +559,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 		case ENDEL:
 			if (current_graphics != NULL) {

-				printf("\tLeaving %s\n", (current_graphics->type == GRAPHIC_POLYGON ? "boundary" : "path"));
+				printf("\tLeaving %s\n", (current_graphics->gfx_type == GRAPHIC_POLYGON ? "boundary" : "path"));
 				current_graphics = NULL;
 			}
 			if (current_s_reference != NULL) {
@@ -523,12 +577,17 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			}

 			break;
+
 		case MAG:
 			break;
 		case ANGLE:
 			break;
 		case STRANS:
 			break;
+		case WIDTH:
+			break;
+		case PATHTYPE:
+			break;
 		default:
 			//GDS_WARN("Record: %04x, len: %u", (unsigned int)rec_type, (unsigned int)rec_data_length);
 			break;
@@ -541,12 +600,33 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 		read = fread(workbuff, sizeof(char), rec_data_length, gds_file);

 		if (read != rec_data_length) {
-			GDS_ERROR("Could not read enough data");
+			GDS_ERROR("Could not read enough data: requested: %u, read: %u | Type: 0x%04x\n",
+				  (unsigned int)rec_data_length, (unsigned int)read, (unsigned int)rec_type);
 			run = -5;
 			break;
 		}

 		switch (rec_type) {
+
+		case HEADER:
+		case UNITS:
+		case ENDLIB:
+		case ENDSTR:
+		case BOUNDARY:
+		case PATH:
+		case SREF:
+		case ENDEL:
+		case BOX:
+		case INVALID:
+			break;
+
+		case BGNLIB:
+			/* Parse date record */
+			gds_parse_date(workbuff, read, &current_lib->mod_time, &current_lib->access_time);
+			break;
+		case BGNSTR:
+			gds_parse_date(workbuff, read, &current_cell->mod_time, &current_cell->access_time);
+			break;
 		case LIBNAME:
 			name_library(current_lib, read, workbuff);
 			break;
@@ -582,6 +662,12 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 		case SNAME:
 			name_cell_ref(current_s_reference, read, workbuff);
 			break;
+		case WIDTH:
+			if (!current_graphics) {
+				GDS_WARN("Width defined outside of path element");
+			}
+			current_graphics->width_absolute = gds_convert_signed_int(workbuff);
+			break;
 		case LAYER:
 			if (!current_graphics) {
 				GDS_WARN("Layer has to be defined inside graphics object. Probably unknown object. Implement it yourself!");
@@ -621,6 +707,18 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 				printf("\t\tAngle defined: %lf\n", current_s_reference->angle);
 			}
 			break;
+		case PATHTYPE:
+			if (current_graphics == NULL) {
+				GDS_WARN("Path type defined outside of path. Ignoring");
+				break;
+			}
+			if (current_graphics->gfx_type == GRAPHIC_PATH) {
+				current_graphics->path_render_type = (int)gds_convert_signed_int16(workbuff);
+				printf("\t\tPathtype: %d\n", current_graphics->path_render_type);
+			} else {
+				GDS_WARN("Path type defined inside non-path graphics object. Ignoring");
+			}
+			break;

 		}

@@ -629,10 +727,18 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 	fclose(gds_file);


-	/* Iterate and find references to cells */
-	g_list_foreach(lib_list, scan_library_references, NULL);
+	if (!run) {
+		/* Iterate and find references to cells */
+		g_list_foreach(lib_list, scan_library_references, NULL);
+	}
+
+
+

 	*library_list = lib_list;
+
+	free(workbuff);
+
 	return run;
 }

--- a/gds-parser/gds-parser.h
+++ b/gds-parser/gds-parser.h
@@ -20,60 +20,8 @@
 #ifndef __GDSPARSE_H__
 #define __GDSPARSE_H__

-#include <stdint.h>
 #include <glib.h>
-
-#define CELL_NAME_MAX (100)
-
-enum graphics_type {GRAPHIC_PATH = 0, GRAPHIC_POLYGON = 1};
-
-struct gds_time_field {
-		uint16_t year;
-		uint16_t month;
-		uint16_t day;
-		uint16_t hour;
-		uint16_t minute;
-		uint16_t second;
-};
-struct gds_point {
-		int x;
-		int y;
-};
-
-struct gds_graphics {
-		enum graphics_type type;
-		GList *vertices;
-		unsigned int path_width;
-		int width_absolute;
-		int16_t layer;
-		uint16_t datatype;
-};
-
-struct gds_cell_instance {
-		char ref_name[CELL_NAME_MAX];
-		struct gds_cell *cell_ref;
-		struct gds_point origin;
-		int flipped;
-		double angle;
-		double magnification;
-};
-
-struct gds_cell {
-		char name[CELL_NAME_MAX];
-		struct gds_time_field mod_time;
-		struct gds_time_field access_time;
-		GList *child_cells;
-		GList *graphic_objs;
-};
-
-struct gds_library {
-		char name[CELL_NAME_MAX];
-		struct gds_time_field time;
-		double unit_to_meters;
-		GList *cells;
-		GList *cell_names;
-};
-
+#include "gds-types.h"

 int parse_gds_from_file(const char *filename, GList **library_array);
 int clear_lib_list(GList **library_list);
--- a/gds-parser/gds-types.h
+++ b/gds-parser/gds-types.h
@@ -0,0 +1,63 @@
+#ifndef __GDS_TYPES_H__
+#define __GDS_TYPES_H__
+
+#include <stdint.h>
+#include <glib.h>
+
+#define CELL_NAME_MAX (100)
+#define MIN(a,b) (((a) < (b)) ? (a) : (b))
+#define MAX(a,b) (((a) > (b)) ? (a) : (b))
+
+enum graphics_type {GRAPHIC_PATH = 0, GRAPHIC_POLYGON = 1, GRAPHIC_BOX};
+enum path_type {PATH_FLUSH = 0, PATH_ROUNDED = 1, PATH_SQUARED = 2};
+
+struct gds_point {
+	int x;
+	int y;
+};
+
+struct gds_time_field {
+	uint16_t year;
+	uint16_t month;
+	uint16_t day;
+	uint16_t hour;
+	uint16_t minute;
+	uint16_t second;
+};
+
+struct gds_graphics {
+	enum graphics_type gfx_type;
+	GList *vertices;
+	enum path_type path_render_type;
+	int width_absolute;
+	int16_t layer;
+	uint16_t datatype;
+};
+
+struct gds_cell_instance {
+	char ref_name[CELL_NAME_MAX];
+	struct gds_cell *cell_ref;
+	struct gds_point origin;
+	int flipped;
+	double angle;
+	double magnification;
+};
+
+struct gds_cell {
+	char name[CELL_NAME_MAX];
+	struct gds_time_field mod_time;
+	struct gds_time_field access_time;
+	GList *child_cells;
+	GList *graphic_objs;
+};
+
+struct gds_library {
+	char name[CELL_NAME_MAX];
+	struct gds_time_field mod_time;
+	struct gds_time_field access_time;
+	double unit_to_meters;
+	GList *cells;
+	GList *cell_names;
+};
+
+#endif /* __GDS_TYPES_H__ */
--- a/glade/CMakeLists.txt
+++ b/glade/CMakeLists.txt
@@ -1,8 +1,6 @@
 add_custom_target(glib-resources DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/resources.c)
 add_custom_command(DEPENDS
-                         ${CMAKE_CURRENT_SOURCE_DIR}/resources.xml
-			 ${CMAKE_CURRENT_SOURCE_DIR}/main.glade
-			 ${CMAKE_CURRENT_SOURCE_DIR}/layer-widget.glade
+                         ${CMAKE_CURRENT_SOURCE_DIR}/*.glade
 		   OUTPUT
 			${CMAKE_CURRENT_BINARY_DIR}/resources.c
 		   COMMAND 
--- a/glade/about.glade
+++ b/glade/about.glade
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.1 -->
+<interface>
+  <requires lib="gtk+" version="3.20"/>
+  <object class="GtkAboutDialog" id="about-dialog">
+    <property name="can_focus">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="program_name">GDS-Render Tool </property>
+    <property name="comments" translatable="yes">Tool for rendering GDS(II) layout files into LaTeX/TikZ code or directly into a PDF file</property>
+    <property name="website">https://git.shimatta.de/mhu/gds-render</property>
+    <property name="website_label" translatable="yes">Git Repository</property>
+    <property name="authors">Mario Hüttel &lt;mario.huettel@gmx.net&gt;</property>
+    <property name="logo_icon_name">applications-graphics</property>
+    <property name="license_type">gpl-2-0-only</property>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox">
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">2</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox">
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <placeholder/>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
--- a/glade/dialog.glade
+++ b/glade/dialog.glade
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.1 -->
+<interface>
+  <requires lib="gtk+" version="3.20"/>
+  <object class="GtkAdjustment" id="adjustment1">
+    <property name="lower">1</property>
+    <property name="upper">3000</property>
+    <property name="value">1000</property>
+    <property name="step_increment">10</property>
+    <property name="page_increment">1000</property>
+  </object>
+  <object class="GtkBox" id="dialog-box">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="orientation">vertical</property>
+    <child>
+      <object class="GtkRadioButton" id="latex-radio">
+        <property name="label" translatable="yes">Generate LaTeX/TikZ output</property>
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="receives_default">False</property>
+        <property name="active">True</property>
+        <property name="draw_indicator">True</property>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">0</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkRadioButton" id="cairo-radio">
+        <property name="label" translatable="yes">Render PDF using Cairographics</property>
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="receives_default">False</property>
+        <property name="active">True</property>
+        <property name="draw_indicator">True</property>
+        <property name="group">latex-radio</property>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">1</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkScale" id="dialog-scale">
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="adjustment">adjustment1</property>
+        <property name="round_digits">0</property>
+        <property name="digits">0</property>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">2</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkCheckButton" id="standalone-check">
+        <property name="label" translatable="yes">Configure LaTeX as standalone document</property>
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="receives_default">False</property>
+        <property name="draw_indicator">True</property>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">3</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkCheckButton" id="layer-check">
+        <property name="label" translatable="yes">Generate PDF Layers</property>
+        <property name="visible">True</property>
+        <property name="can_focus">True</property>
+        <property name="receives_default">False</property>
+        <property name="draw_indicator">True</property>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">4</property>
+      </packing>
+    </child>
+  </object>
+</interface>
--- a/glade/layer-widget.glade
+++ b/glade/layer-widget.glade
@@ -12,6 +12,24 @@
    <property name="visible">True</property>
    <property name="can_focus">False</property>
    <property name="spacing">3</property>
+    <child>
+      <object class="GtkEventBox" id="event-box">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <child>
+          <object class="GtkImage">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="stock">gtk-justify-fill</property>
+          </object>
+        </child>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">True</property>
+        <property name="position">0</property>
+      </packing>
+    </child>
    <child>
      <object class="GtkLabel" id="layer">
        <property name="visible">True</property>
@@ -21,7 +39,7 @@
      <packing>
        <property name="expand">False</property>
        <property name="fill">True</property>
-        <property name="position">0</property>
+        <property name="position">1</property>
      </packing>
    </child>
    <child>
@@ -36,7 +54,7 @@
      <packing>
        <property name="expand">False</property>
        <property name="fill">True</property>
-        <property name="position">1</property>
+        <property name="position">2</property>
      </packing>
    </child>
    <child>
@@ -50,7 +68,7 @@
      <packing>
        <property name="expand">False</property>
        <property name="fill">True</property>
-        <property name="position">2</property>
+        <property name="position">3</property>
      </packing>
    </child>
    <child>
@@ -61,7 +79,7 @@
      <packing>
        <property name="expand">True</property>
        <property name="fill">True</property>
-        <property name="position">3</property>
+        <property name="position">4</property>
      </packing>
    </child>
  </object>
--- a/glade/main.glade
+++ b/glade/main.glade
@@ -3,9 +3,8 @@
 <interface>
  <requires lib="gtk+" version="3.20"/>
  <object class="GtkWindow" id="main-window">
-    <property name="visible">True</property>
+    <property name="height_request">250</property>
    <property name="can_focus">False</property>
-    <signal name="delete-event" handler="on_window_close" swapped="no"/>
    <child type="titlebar">
      <object class="GtkHeaderBar">
        <property name="name">header</property>
@@ -15,57 +14,66 @@
        <property name="subtitle" translatable="yes">GDSII to PDF Converter</property>
        <property name="show_close_button">True</property>
        <child>
-          <object class="GtkBox">
+          <object class="GtkButton" id="button-load-gds">
+            <property name="label">gtk-open</property>
            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <child>
-              <object class="GtkButton" id="button-load-gds">
-                <property name="label">gtk-open</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-                <property name="use_stock">True</property>
-                <property name="always_show_image">True</property>
-                <style>
-                  <class name="suggested-action"/>
-                </style>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button-load-mapping">
-                <property name="label" translatable="yes">Load Mapping</property>
-                <property name="visible">True</property>
-                <property name="sensitive">False</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button-save-mapping">
-                <property name="label" translatable="yes">Save Mapping</property>
-                <property name="visible">True</property>
-                <property name="sensitive">False</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">3</property>
-              </packing>
-            </child>
+            <property name="can_focus">True</property>
+            <property name="receives_default">True</property>
+            <property name="use_stock">True</property>
+            <property name="always_show_image">True</property>
+            <style>
+              <class name="suggested-action"/>
+            </style>
          </object>
        </child>
+        <child>
+          <object class="GtkButton" id="button-load-mapping">
+            <property name="label" translatable="yes">Load Mapping</property>
+            <property name="visible">True</property>
+            <property name="sensitive">False</property>
+            <property name="can_focus">True</property>
+            <property name="receives_default">True</property>
+            <style>
+              <class name="suggested-action"/>
+            </style>
+          </object>
+          <packing>
+            <property name="position">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="button-save-mapping">
+            <property name="label" translatable="yes">Save Mapping</property>
+            <property name="visible">True</property>
+            <property name="sensitive">False</property>
+            <property name="can_focus">True</property>
+            <property name="receives_default">True</property>
+            <style>
+              <class name="suggested-action"/>
+            </style>
+          </object>
+          <packing>
+            <property name="position">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="convert-button">
+            <property name="label">gtk-convert</property>
+            <property name="name">button-convert</property>
+            <property name="visible">True</property>
+            <property name="sensitive">False</property>
+            <property name="can_focus">True</property>
+            <property name="receives_default">True</property>
+            <property name="use_stock">True</property>
+            <property name="always_show_image">True</property>
+            <style>
+              <class name="suggested-action"/>
+            </style>
+          </object>
+          <packing>
+            <property name="position">3</property>
+          </packing>
+        </child>
      </object>
    </child>
    <child>
@@ -73,15 +81,23 @@
        <property name="visible">True</property>
        <property name="can_focus">False</property>
        <child>
-          <object class="GtkTreeView" id="cell-tree">
+          <object class="GtkScrolledWindow">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
-            <child internal-child="selection">
-              <object class="GtkTreeSelection"/>
+            <property name="hscrollbar_policy">never</property>
+            <property name="shadow_type">in</property>
+            <child>
+              <object class="GtkTreeView" id="cell-tree">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <child internal-child="selection">
+                  <object class="GtkTreeSelection"/>
+                </child>
+              </object>
            </child>
          </object>
          <packing>
-            <property name="expand">False</property>
+            <property name="expand">True</property>
            <property name="fill">True</property>
            <property name="position">0</property>
          </packing>
@@ -90,6 +106,7 @@
          <object class="GtkScrolledWindow">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
+            <property name="hscrollbar_policy">never</property>
            <property name="shadow_type">in</property>
            <child>
              <object class="GtkViewport">
@@ -111,43 +128,6 @@
            <property name="position">1</property>
          </packing>
        </child>
-        <child>
-          <object class="GtkBox" id="button-box">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="orientation">vertical</property>
-            <child>
-              <object class="GtkButton" id="convert-button">
-                <property name="label">gtk-convert</property>
-                <property name="name">button-convert</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-                <property name="use_stock">True</property>
-                <property name="always_show_image">True</property>
-                <style>
-                  <class name="suggested-action"/>
-                </style>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <placeholder/>
-            </child>
-            <child>
-              <placeholder/>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">2</property>
-          </packing>
-        </child>
      </object>
    </child>
  </object>
--- a/glade/resources.xml
+++ b/glade/resources.xml
@@ -2,7 +2,9 @@
 <gresources>
  <gresource prefix="/">
    <file compressed="true">main.glade</file>
+    <file compressed="true">about.glade</file>
    <file>layer-widget.glade</file>
+    <file>dialog.glade</file>
  </gresource>
 </gresources>

--- a/latex-output/latex-output.c
+++ b/latex-output/latex-output.c
@@ -0,0 +1,240 @@
+/*
+ * 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/>.
+ */
+
+#include "latex-output.h"
+#include <math.h>
+
+#define WRITEOUT_BUFFER(buff) fwrite((buff)->str, sizeof(char), (buff)->len, tex_file)
+
+static void write_layer_definitions(FILE *tex_file, GList *layer_infos, GString *buffer)
+{
+	GList *list;
+	struct layer_info *lifo;
+	char *end_str;
+
+	for (list = layer_infos; list != NULL; list = list->next) {
+		lifo = (struct layer_info *)list->data;
+		g_string_printf(buffer, "\\pgfdeclarelayer{l%d}\n\\definecolor{c%d}{rgb}{%lf,%lf,%lf}\n",
+				lifo->layer, lifo->layer,
+				lifo->color.red, lifo->color.green, lifo->color.blue);
+		WRITEOUT_BUFFER(buffer);
+	}
+
+	g_string_printf(buffer, "\\pgfsetlayers{");
+	WRITEOUT_BUFFER(buffer);
+
+	for (list = layer_infos; list != NULL; list = list->next) {
+		lifo = (struct layer_info *)list->data;
+
+		if (list->next == NULL)
+			end_str = ",main}";
+		else
+			end_str = ",";
+		g_string_printf(buffer, "l%d%s", lifo->layer, end_str);
+		WRITEOUT_BUFFER(buffer);
+	}
+	fwrite("\n", sizeof(char), 1, tex_file);
+}
+
+/**
+ * @brief write_layer_env
+ * @param tex_file
+ * @param layer
+ * @param buffer
+ * @return TRUE if layer is placeable
+ */
+static gboolean write_layer_env(FILE *tex_file, GdkRGBA *color, int layer, GList *linfo, GString *buffer)
+{
+	GList *temp;
+	struct layer_info *inf;
+
+	for (temp = linfo; temp != NULL; temp = temp->next) {
+		inf = (struct layer_info *)temp->data;
+		if (inf->layer == layer) {
+			color->alpha = inf->color.alpha;
+			color->red = inf->color.red;
+			color->green = inf->color.green;
+			color->blue = inf->color.blue;
+			g_string_printf(buffer, "\\begin{pgfonlayer}{l%d}\n\\ifcreatepdflayers\n\\begin{scope}[ocg={ref=%d, status=visible,name={%s}}]\n\\fi]\n",
+					layer, layer, inf->name);
+			WRITEOUT_BUFFER(buffer);
+			return TRUE;
+		}
+	}
+	return FALSE;
+}
+
+
+static void generate_graphics(FILE *tex_file, GList *graphics, GList *linfo, GString *buffer, double scale)
+{
+	GList *temp;
+	GList *temp_vertex;
+	struct gds_graphics *gfx;
+	struct gds_point *pt;
+	GdkRGBA color;
+	static const char *line_caps[] = {"butt", "round", "rect"};
+
+	for (temp = graphics; temp != NULL; temp = temp->next) {
+		gfx = (struct gds_graphics *)temp->data;
+		if (write_layer_env(tex_file, &color, (int)gfx->layer, linfo, buffer) == TRUE) {
+
+			/* Layer is defined => create graphics */
+			if (gfx->gfx_type == GRAPHIC_POLYGON || gfx->gfx_type == GRAPHIC_BOX ) {
+				g_string_printf(buffer, "\\draw[line width=0.00001 pt, draw={c%d}, fill={c%d}, fill opacity={%lf}] ",
+						gfx->layer, gfx->layer, color.alpha);
+				WRITEOUT_BUFFER(buffer);
+				/* Append vertices */
+				for (temp_vertex = gfx->vertices; temp_vertex != NULL; temp_vertex = temp_vertex->next) {
+					pt = (struct gds_point *)temp_vertex->data;
+					g_string_printf(buffer, "(%lf pt, %lf pt) -- ", ((double)pt->x)/scale, ((double)pt->y)/scale);
+					WRITEOUT_BUFFER(buffer);
+				}
+				g_string_printf(buffer, "cycle;\n");
+				WRITEOUT_BUFFER(buffer);
+			} else if (gfx->gfx_type == GRAPHIC_PATH) {
+
+				if (g_list_length(gfx->vertices) < 2) {
+					printf("Cannot write path with less than 2 points\n");
+					break;
+				}
+
+				if (gfx->path_render_type < 0 || gfx->path_render_type > 2) {
+					printf("Path type unrecognized. Setting to 'flushed'\n");
+					gfx->path_render_type = PATH_FLUSH;
+				}
+
+				g_string_printf(buffer, "\\draw[line width=%lf pt, draw={c%d}, opacity={%lf}, cap=%s] ",
+						gfx->width_absolute/scale, gfx->layer, color.alpha,
+						line_caps[gfx->path_render_type]);
+				WRITEOUT_BUFFER(buffer);
+
+				/* Append vertices */
+				for (temp_vertex = gfx->vertices; temp_vertex != NULL; temp_vertex = temp_vertex->next) {
+					pt = (struct gds_point *)temp_vertex->data;
+					g_string_printf(buffer, "(%lf pt, %lf pt)%s",
+							((double)pt->x)/scale,
+							((double)pt->y)/scale,
+							(temp_vertex->next ? " -- " : ""));
+					WRITEOUT_BUFFER(buffer);
+				}
+				g_string_printf(buffer, ";\n");
+				WRITEOUT_BUFFER(buffer);
+			}
+
+			g_string_printf(buffer, "\\ifcreatepdflayers\n\\end{scope}\n\\fi\n\\end{pgfonlayer}\n");
+			WRITEOUT_BUFFER(buffer);
+		}
+
+	} /* For graphics */
+}
+
+
+static void render_cell(struct gds_cell *cell, GList *layer_infos, FILE *tex_file, GString *buffer, double scale)
+{
+
+	GList *list_child;
+	struct gds_cell_instance *inst;
+
+	/* Draw polygons of current cell */
+	generate_graphics(tex_file, cell->graphic_objs, layer_infos, buffer, scale);
+
+	/* Draw polygons of childs */
+	for (list_child = cell->child_cells; list_child != NULL; list_child = list_child->next) {
+		inst = (struct gds_cell_instance *)list_child->data;
+
+		/* Abort if cell has no reference */
+		if (!inst->cell_ref)
+			continue;
+
+		/* generate translation scope */
+		g_string_printf(buffer, "\\begin{scope}[shift={(%lf pt,%lf pt)}]\n",
+				((double)inst->origin.x)/scale,((double)inst->origin.y)/scale);
+		WRITEOUT_BUFFER(buffer);
+
+		g_string_printf(buffer, "\\begin{scope}[rotate=%lf]\n", inst->angle);
+		WRITEOUT_BUFFER(buffer);
+
+		g_string_printf(buffer, "\\begin{scope}[yscale=%lf, xscale=%lf]\n", (inst->flipped ? -1*inst->magnification : inst->magnification),
+				inst->magnification);
+		WRITEOUT_BUFFER(buffer);
+
+		render_cell(inst->cell_ref, layer_infos, tex_file, buffer, scale);
+
+		g_string_printf(buffer, "\\end{scope}\n");
+		WRITEOUT_BUFFER(buffer);
+
+		g_string_printf(buffer, "\\end{scope}\n");
+		WRITEOUT_BUFFER(buffer);
+
+		g_string_printf(buffer, "\\end{scope}\n");
+		WRITEOUT_BUFFER(buffer);
+	}
+
+}
+
+void latex_render_cell_to_code(struct gds_cell *cell, GList *layer_infos, FILE *tex_file, double scale,
+			       gboolean create_pdf_layers, gboolean standalone_document)
+{
+	GString *working_line;
+
+
+	if (!tex_file || !layer_infos || !cell)
+		return;
+
+	/* 10 kB Line working buffer should be enough */
+	working_line = g_string_new_len(NULL, LATEX_LINE_BUFFER_KB*1024);
+
+	/* standalone foo */
+	g_string_printf(working_line, "\\newif\\iftestmode\n\\testmode%s\n",
+			(standalone_document ? "true" : "false"));
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\newif\\ifcreatepdflayers\n\\createpdflayers%s\n",
+			(create_pdf_layers ? "true" : "false"));
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\iftestmode\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\documentclass[tikz]{standalone}\n\\usepackage{xcolor}\n\\usetikzlibrary{ocgx}\n\\begin{document}\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\fi\n");
+	WRITEOUT_BUFFER(working_line);
+
+	/* Write layer definitions */
+	write_layer_definitions(tex_file, layer_infos, working_line);
+
+	/* Open tikz Pictute */
+	g_string_printf(working_line, "\\begin{tikzpicture}\n");
+	WRITEOUT_BUFFER(working_line);
+
+	/* Generate graphics output */
+	render_cell(cell, layer_infos, tex_file, working_line, scale);
+
+
+	g_string_printf(working_line, "\\end{tikzpicture}\n");
+	WRITEOUT_BUFFER(working_line);
+
+	g_string_printf(working_line, "\\iftestmode\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\end{document}\n");
+	WRITEOUT_BUFFER(working_line);
+	g_string_printf(working_line, "\\fi\n");
+	WRITEOUT_BUFFER(working_line);
+
+	fflush(tex_file);
+	g_string_free(working_line, TRUE);
+}
--- a/latex-output/latex-output.h
+++ b/latex-output/latex-output.h
@@ -0,0 +1,33 @@
+/*
+ * 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 __LATEX_OUTPUT_H__
+#define __LATEX_OUTPUT_H__
+
+#include "../gds-parser/gds-types.h"
+#include <glib.h>
+#include <stdio.h>
+#include "../layer-selector.h"
+
+#define LATEX_LINE_BUFFER_KB (10)
+
+void latex_render_cell_to_code(struct gds_cell *cell, GList *layer_infos, FILE *tex_file, double scale,
+			       gboolean create_pdf_layers, gboolean standalone_document);
+
+#endif /* __LATEX_OUTPUT_H__ */
--- a/layer-selector.c
+++ b/layer-selector.c
@@ -18,71 +18,95 @@
 */

 #include "layer-selector.h"
-#include "gdsparse.h"
+#include "gds-parser/gds-parser.h"
+#include "widgets/layer-element.h"
 #include <glib.h>
 #include <string.h>
 #include <stdio.h>
+#include <stdlib.h>

-static GList *layer_widgets = NULL;
-static GtkWidget *load_button;
-static GtkWidget *save_button;
+static GtkWidget *global_load_button;
+static GtkWidget *global_save_button;
+static GtkListBox *global_list_box;

-static void layer_list_remove_element(struct layer_info *inf)
+void delete_layer_info_struct(struct layer_info *info)
 {
-	if (inf)
-		free(inf);
+	if (info)
+		free(info);
 }

-void get_layer_info(GList **info_list, GtkListBox *box)
+/**
+ * @brief export_rendered_layer_info
+ * @return new list with all info elements needed to render cells
+ */
+GList *export_rendered_layer_info()
 {
-	GList *local_list = NULL;
+	GList *info_list = NULL;
+	LayerElement *le;
+	struct layer_info *linfo;
+	GList *row_list;
+	GList *temp;
+	int i;

-	/* Clear info Glist */
-	if (*info_list != NULL) {
-		g_list_free_full(*info_list, (GDestroyNotify)layer_list_remove_element);
-		*info_list = NULL;
+	row_list = gtk_container_get_children(GTK_CONTAINER(global_list_box));
+
+	/* Iterate through  widgets and add layers that shall be exported */
+	for (i = 0, temp = row_list; temp != NULL; temp = temp->next, i++) {
+
+		le = LAYER_ELEMENT(temp->data);
+
+		if (layer_element_get_export(le) == TRUE) {
+			/* Allocate new info and fill with info */
+			linfo = (struct layer_info *)malloc(sizeof(struct layer_info));
+			layer_element_get_color(le, &linfo->color);
+			linfo->layer = layer_element_get_layer(le);
+			linfo->stacked_position = i;
+			linfo->name = (char *)layer_element_get_name(le);
+
+			/* Append to list */
+			info_list = g_list_append(info_list, (gpointer)linfo);
+		}
 	}

-
-
-	*info_list = local_list;
-}
-
-static void delete_layer_widget(GtkWidget *widget)
-{
-
-	gtk_widget_destroy(widget);
+	return info_list;
 }

 void clear_list_box_widgets(GtkListBox *box)
 {
 	GList *list;
+	GList *temp;

 	list = gtk_container_get_children(GTK_CONTAINER(box));
-	for (;list != NULL; list = list->next) {
-		gtk_container_remove(GTK_CONTAINER(box), GTK_WIDGET(list->data));
+	for (temp = list; temp != NULL; temp = temp->next) {
+		gtk_container_remove(GTK_CONTAINER(box), GTK_WIDGET(temp->data));
 	}
 	/* Widgets are already destroyed when removed from box because they are only referenced inside the container */
-	g_list_free(layer_widgets);
-	layer_widgets = NULL;
+
+	g_list_free(list);

 	/* Deactivate buttons */
-	gtk_widget_set_sensitive(load_button, FALSE);
-	gtk_widget_set_sensitive(save_button, FALSE);
+	gtk_widget_set_sensitive(global_load_button, FALSE);
+	gtk_widget_set_sensitive(global_save_button, FALSE);
 }

 static gboolean check_if_layer_widget_exists(int layer) {
 	GList *list;
+	GList *temp;
 	LayerElement *widget;
 	gboolean ret = FALSE;

-	for (list = layer_widgets; list != NULL; list = list->next) {
-		widget = (LayerElement *)list->data;
+	list = gtk_container_get_children(GTK_CONTAINER(global_list_box));
+
+	for (temp = list; temp != NULL; temp = temp->next) {
+		widget = LAYER_ELEMENT(temp->data);
 		if (layer_element_get_layer(widget) == layer) {
 			ret = TRUE;
 			break;
 		}
 	}
+
+	g_list_free(list);
+
 	return ret;
 }

@@ -101,28 +125,20 @@ static void analyze_cell_layers(GtkListBox *listbox, struct gds_cell *cell)
 			layer_element_set_layer(LAYER_ELEMENT(le), layer);
 			gtk_list_box_insert(listbox, le, -1);
 			gtk_widget_show(le);
-			layer_widgets = g_list_append(layer_widgets, le);
 		}
 	}
 }

-
 gint sort_func(GtkListBoxRow *row1, GtkListBoxRow *row2, gpointer unused)
 {
-	GList *children1, *children2;
 	LayerElement *le1, *le2;
 	gint ret;

-	children1 = gtk_container_get_children(GTK_CONTAINER(row1));
-	children2 = gtk_container_get_children(GTK_CONTAINER(row2));
-	le1 = LAYER_ELEMENT(children1->data);
-	le2 = LAYER_ELEMENT(children2->data);
+	le1 = LAYER_ELEMENT(row1);
+	le2 = LAYER_ELEMENT(row2);

 	ret = layer_element_get_layer(le1) - layer_element_get_layer(le2);

-	g_list_free(children1);
-	g_list_free(children2);
-
 	return ret;
 }

@@ -130,8 +146,10 @@ void generate_layer_widgets(GtkListBox *listbox, GList *libs)
 {
 	GList *cell_list = NULL;
 	struct gds_library *lib;
-	clear_list_box_widgets(listbox);

+	global_list_box = listbox;
+
+	clear_list_box_widgets(listbox);
 	gtk_list_box_set_sort_func(listbox, sort_func, NULL, NULL);

 	for (; libs != NULL; libs = libs->next) {
@@ -144,9 +162,12 @@ void generate_layer_widgets(GtkListBox *listbox, GList *libs)
 	/* Force sort */
 	gtk_list_box_invalidate_sort(listbox);

+	/* Disable sort, so user can sort layers */
+	gtk_list_box_set_sort_func(listbox, NULL, NULL, NULL);
+
 	/* Activate Buttons */
-	gtk_widget_set_sensitive(load_button, TRUE);
-	gtk_widget_set_sensitive(save_button, TRUE);
+	gtk_widget_set_sensitive(global_load_button, TRUE);
+	gtk_widget_set_sensitive(global_save_button, TRUE);
 }

 /**
@@ -186,7 +207,7 @@ static int load_csv_line(GDataInputStream *stream, gboolean *export, char **name
 	if (g_match_info_matches(mi)) {
 		/* Line is valid */
 		match = g_match_info_fetch_named(mi, "layer");
-		*layer = g_ascii_strtoll(match, NULL, 10);
+		*layer = (int)g_ascii_strtoll(match, NULL, 10);
 		g_free(match);
 		match = g_match_info_fetch_named(mi, "r");
 		color->red = g_ascii_strtod(match, NULL);
@@ -222,34 +243,31 @@ ret_direct:

 }

-static LayerElement *find_layer_in_list(GList *list, int layer)
+static LayerElement *find_layer_element_in_list(GList *el_list, int layer)
 {
-	LayerElement *le_found, *temp;
-
-	for (le_found = NULL; list != NULL; list = list->next) {
-		temp = LAYER_ELEMENT(list->data);
-		if (layer_element_get_layer(temp) == layer) {
-			le_found = temp;
+	LayerElement *ret = NULL;
+	for (; el_list != NULL; el_list = el_list->next) {
+		if (layer_element_get_layer(LAYER_ELEMENT(el_list->data)) == layer) {
+			ret = LAYER_ELEMENT(el_list->data);
 			break;
 		}
 	}
-
-	return le_found;
+	return ret;
 }

-
 static void load_layer_mapping_from_file(gchar *file_name)
 {
 	GFile *file;
 	GFileInputStream *stream;
 	GDataInputStream *dstream;
-
 	LayerElement *le;
 	char *name;
 	gboolean export;
 	int layer;
 	GdkRGBA color;
 	int result;
+	GList *rows;
+	GList *temp;

 	file = g_file_new_for_path(file_name);
 	stream = g_file_read(file, NULL, NULL);
@@ -259,20 +277,47 @@ static void load_layer_mapping_from_file(gchar *file_name)

 	dstream = g_data_input_stream_new(G_INPUT_STREAM(stream));

+	rows = gtk_container_get_children(GTK_CONTAINER(global_list_box));
+
+	/* Reference and remove all rows from box */
+	for (temp = rows; temp != NULL; temp = temp->next) {
+		le = LAYER_ELEMENT(temp->data);
+		/* Referencing protets the widget from being deleted when removed */
+		g_object_ref(G_OBJECT(le));
+		gtk_container_remove(GTK_CONTAINER(global_list_box), GTK_WIDGET(le));
+	}
+
 	while((result = load_csv_line(dstream, &export, &name, &layer, &color)) >= 0) {
 		/* skip broken line */
 		if (result == 1)
 			continue;

-		/* search for layer widget */
-		if (le = find_layer_in_list(layer_widgets, layer)) {
-			layer_element_set_name(le, name);
+		/* Add rows in the same order as in file */
+		if ((le = find_layer_element_in_list(rows, layer))) {
+			gtk_list_box_insert(global_list_box, GTK_WIDGET(le), -1);
+
 			layer_element_set_color(le, &color);
 			layer_element_set_export(le, export);
+			layer_element_set_name(le, name);
+			g_free(name);
+
+			/* Dereference and remove from list */
+			g_object_unref(G_OBJECT(le));
+			rows = g_list_remove(rows, le);
 		}
-		g_free(name);
 	}

+	/* Add remaining elements */
+	for (temp = rows; temp != NULL; temp = temp->next) {
+		le = LAYER_ELEMENT(temp->data);
+		/* Referencing protets the widget from being deleted when removed */
+		gtk_list_box_insert(global_list_box, GTK_WIDGET(le), -1);
+		g_object_unref(G_OBJECT(le));
+	}
+
+	/* Delete list */
+	g_list_free(rows);
+
 	/* read line */
 	g_object_unref(dstream);
 	g_object_unref(stream);
@@ -314,7 +359,8 @@ static void create_csv_line(LayerElement *layer_element, char *line_buffer, size
 	layer_element_get_color(layer_element, &color);

 	/* print values to line */
-	g_string_printf(string, "%d,%lf,%lf,%lf,%lf,%d,%s\n", layer, color.red, color.green,
+	g_string_printf(string, "%d,%lf,%lf,%lf,%lf,%d,%s\n",
+			layer, color.red, color.green,
 			color.blue, color.alpha, (export == TRUE ? 1 : 0), name);

 	if (string->len > (max_len-1)) {
@@ -331,23 +377,28 @@ static void create_csv_line(LayerElement *layer_element, char *line_buffer, size
 	g_string_free(string, TRUE);
 }

-static void save_layer_mapping_data(const gchar *file_name)
+static void save_layer_mapping_data(const gchar *file_name, GtkListBox *list_box)
 {
 	FILE *file;
 	char workbuff[512];
 	GList *le_list;
+	GList *temp;

 	/* Overwrite existing file */
 	file = fopen((const char *)file_name, "w");

-	/* File format is CSV: <Layer>,<R>,<G>,<B>,<Alpha>,<Export?>,<Name> */
-	for (le_list = layer_widgets; le_list != NULL; le_list = le_list->next) {
+	le_list = gtk_container_get_children(GTK_CONTAINER(list_box));
+
+	/* File format is CSV: <Layer>,<target_pos>,<R>,<G>,<B>,<Alpha>,<Export?>,<Name> */
+	for (temp = le_list; temp != NULL; temp = temp->next) {
 		/* To be sure it is a valid string */
 		workbuff[0] = 0;
-		create_csv_line((LayerElement *)le_list->data, workbuff, sizeof(workbuff));
+		create_csv_line(LAYER_ELEMENT(temp->data), workbuff, sizeof(workbuff));
 		fwrite(workbuff, sizeof(char), strlen(workbuff), file);
 	}

+	g_list_free(le_list);
+
 	/* Save File */
 	fflush(file);
 	fclose(file);
@@ -364,7 +415,7 @@ static void save_mapping_clicked(GtkWidget *button, gpointer user_data)
 	res = gtk_dialog_run(GTK_DIALOG(dialog));
 	if (res == GTK_RESPONSE_ACCEPT) {
 		file_name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
-		save_layer_mapping_data(file_name);
+		save_layer_mapping_data(file_name, global_list_box);
 		g_free(file_name);
 	}
 	gtk_widget_destroy(dialog);
@@ -373,13 +424,13 @@ static void save_mapping_clicked(GtkWidget *button, gpointer user_data)
 void setup_load_mapping_callback(GtkWidget *button, GtkWindow *main_window)
 {
 	g_object_ref(G_OBJECT(button));
-	load_button = button;
+	global_load_button = button;
 	g_signal_connect(button, "clicked", G_CALLBACK(load_mapping_clicked), main_window);
 }

 void setup_save_mapping_callback(GtkWidget *button,  GtkWindow *main_window)
 {
 	g_object_ref(G_OBJECT(button));
-	save_button = button;
+	global_save_button = button;
 	g_signal_connect(button, "clicked", G_CALLBACK(save_mapping_clicked), main_window);
 }
--- a/layer-selector.h
+++ b/layer-selector.h
@@ -22,21 +22,19 @@

 #include <gtk/gtk.h>
 #include <glib.h>
-#include <layer-element.h>

-struct layer_info {
-    int id;
-    /* This contains both: opacity and Color */
-    GdkRGBA color;
+struct layer_info
+{
+	int layer;
+	char *name;
+	int stacked_position; ///< Lower is bottom, higher is top
+	GdkRGBA color;
 };

 void generate_layer_widgets(GtkListBox *listbox, GList *libs);
-void clear_list_box_widgets();
-
 void setup_load_mapping_callback(GtkWidget *button, GtkWindow *main_window);
 void setup_save_mapping_callback(GtkWidget *button, GtkWindow *main_window);
-
-void get_layer_info(GList **info_list, GtkListBox *box);
-
+GList *export_rendered_layer_info();
+void delete_layer_info_struct(struct layer_info *info);

 #endif /* __LAYER_SELECTOR_H__ */
--- a/layer-widget/layer-element.c
+++ b/layer-widget/layer-element.c
@@ -1,108 +0,0 @@
-/*
- * 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/>.
- */
-
-#include "layer-element.h"
-
-G_DEFINE_TYPE(LayerElement, layer_element, GTK_TYPE_BOX)
-
-
-static void layer_element_dispose(GObject *obj)
-{
-	/* destroy parent container. This destroys all widgets inside */
-	G_OBJECT_CLASS(layer_element_parent_class)->dispose(obj);
-}
-
-static void layer_element_class_init(LayerElementClass *klass)
-{
-	GObjectClass *oclass = G_OBJECT_CLASS(klass);
-	oclass->dispose = layer_element_dispose;
-}
-
-static void layer_element_init(LayerElement *self)
-{
-	GtkBuilder *builder;
-	GtkWidget *glade_box;
-	builder = gtk_builder_new_from_resource("/layer-widget.glade");
-	glade_box = GTK_WIDGET(gtk_builder_get_object(builder, "box"));
-	gtk_box_pack_start(GTK_BOX(self), glade_box, TRUE, TRUE, 0);
-
-	/* Get Elements */
-	self->priv.color = GTK_COLOR_BUTTON(gtk_builder_get_object(builder, "color"));
-	self->priv.export = GTK_CHECK_BUTTON(gtk_builder_get_object(builder, "export"));
-	self->priv.layer = GTK_LABEL(gtk_builder_get_object(builder, "layer"));
-	self->priv.name = GTK_ENTRY(gtk_builder_get_object(builder, "entry"));
-
-	/* Connect signals */
-	/* None */
-
-	g_object_unref(builder);
-}
-
-GtkWidget *layer_element_new(void)
-{
-	return GTK_WIDGET(g_object_new(layer_element_get_type(), NULL));
-}
-
-const char *layer_element_get_name(LayerElement *elem)
-{
-	return gtk_entry_get_text(elem->priv.name);
-}
-
-void layer_element_set_name(LayerElement *elem, const char* name)
-{
-	gtk_entry_set_text(elem->priv.name, name);
-}
-
-void layer_element_set_layer(LayerElement *elem, int layer)
-{
-	GString *string;
-
-	string = g_string_new_len(NULL, 100);
-	g_string_printf(string, "Layer: %3d", layer);
-	gtk_label_set_text(elem->priv.layer, (const gchar *)string->str);
-	elem->priv.layer_num = layer;
-	g_string_free(string, TRUE);
-}
-
-int layer_element_get_layer(LayerElement *elem)
-{
-	return elem->priv.layer_num;
-}
-
-void layer_element_set_export(LayerElement *elem, gboolean export)
-{
-	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(elem->priv.export), export);
-}
-
-gboolean layer_element_get_export(LayerElement *elem)
-{
-	return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(elem->priv.export));
-}
-
-void layer_element_get_color(LayerElement *elem, GdkRGBA *rgba)
-{
-	if (!rgba)
-		return;
-	gtk_color_chooser_get_rgba(GTK_COLOR_CHOOSER(elem->priv.color), rgba);
-}
-
-void layer_element_set_color(LayerElement *elem, GdkRGBA *rgba)
-{
-	gtk_color_chooser_set_rgba(GTK_COLOR_CHOOSER(elem->priv.color), rgba);
-}
--- a/main-window.c
+++ b/main-window.c
@@ -0,0 +1,316 @@
+/*
+ * 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/>.
+ */
+
+#include "main-window.h"
+#include <stdio.h>
+#include "gds-parser/gds-parser.h"
+#include <gtk/gtk.h>
+#include "layer-selector.h"
+#include "tree-renderer/tree-store.h"
+#include "latex-output/latex-output.h"
+#include "widgets/conv-settings-dialog.h"
+#include "cairo-output/cairo-output.h"
+
+struct open_button_data {
+	GtkWindow *main_window;
+	GList **list_ptr;
+	GtkTreeStore *cell_store;
+	GtkListBox *layer_box;
+};
+
+struct convert_button_data {
+	GtkTreeView *tree_view;
+	GtkWindow *main_window;
+};
+
+static gboolean on_window_close(gpointer window, gpointer user)
+{
+	gtk_widget_destroy(GTK_WIDGET(window));
+	return TRUE;
+}
+
+static GString *generate_string_from_date(struct gds_time_field *date)
+{
+	GString *str;
+
+	str = g_string_new_len(NULL, 50);
+	g_string_printf(str, "%02u.%02u.%u - %02u:%02u",
+			(unsigned int)date->day,
+			(unsigned int)date->month,
+			(unsigned int)date->year,
+			(unsigned int)date->hour,
+			(unsigned int)date->minute);
+	return str;
+}
+
+
+static void on_load_gds(gpointer button, gpointer user)
+{
+	GList *cell;
+	GtkTreeIter libiter;
+	GtkTreeIter celliter;
+	GList *lib;
+	struct gds_library *gds_lib;
+	struct gds_cell *gds_c;
+	struct open_button_data *ptr = (struct open_button_data *)user;
+	GtkTreeStore *store = ptr->cell_store;
+	GtkWidget *open_dialog;
+	GtkFileChooser *file_chooser;
+	GtkFileFilter *filter;
+	GtkStyleContext *button_style;
+	gint dialog_result;
+	int gds_result;
+	char *filename;
+	GString *mod_date;
+	GString *acc_date;
+
+	open_dialog = gtk_file_chooser_dialog_new("Open GDSII File", ptr->main_window, GTK_FILE_CHOOSER_ACTION_OPEN,
+						  "Cancel", GTK_RESPONSE_CANCEL, "Open GDSII", GTK_RESPONSE_ACCEPT, NULL);
+	file_chooser = GTK_FILE_CHOOSER(open_dialog);
+	/* Add GDS II Filter */
+	filter = gtk_file_filter_new();
+	gtk_file_filter_add_pattern(filter, "*.gds");
+	gtk_file_filter_set_name(filter, "GDSII-Files");
+	gtk_file_chooser_add_filter(file_chooser, filter);
+
+	dialog_result = gtk_dialog_run(GTK_DIALOG(open_dialog));
+
+	if (dialog_result == GTK_RESPONSE_ACCEPT) {
+
+		/* Get File name */
+		filename = gtk_file_chooser_get_filename(file_chooser);
+
+		gtk_tree_store_clear(store);
+		clear_lib_list(ptr->list_ptr);
+
+		/* Parse new GDSII file */
+		gds_result = parse_gds_from_file(filename, ptr->list_ptr);
+
+		/* Delete file name afterwards */
+		g_free(filename);
+		if (gds_result)
+			goto end_destroy;
+
+		/* remove suggested action from Open button */
+		button_style = gtk_widget_get_style_context(GTK_WIDGET(button));
+		gtk_style_context_remove_class(button_style, "suggested-action");
+
+		for (lib = *(ptr->list_ptr); lib != NULL; lib = lib->next) {
+			gds_lib = (struct gds_library *)lib->data;
+			/* Create top level iter */
+			gtk_tree_store_append (store, &libiter, NULL);
+
+			/* Convert dates to String */
+			mod_date = generate_string_from_date(&gds_lib->mod_time);
+			acc_date = generate_string_from_date(&gds_lib->access_time);
+
+			gtk_tree_store_set (store, &libiter,
+					    CELL_SEL_LIBRARY, gds_lib,
+					    CELL_SEL_MODDATE, mod_date->str,
+					    CELL_SEL_ACCESSDATE, acc_date->str,
+					    -1);
+
+			/* Delete GStrings including string data. */
+			/* Cell store copies String type data items */
+			g_string_free(mod_date, TRUE);
+			g_string_free(acc_date, TRUE);
+
+			for (cell = gds_lib->cells; cell != NULL; cell = cell->next) {
+				gds_c = (struct gds_cell *)cell->data;
+				gtk_tree_store_append (store, &celliter, &libiter);
+
+				/* Convert dates to String */
+				mod_date = generate_string_from_date(&gds_c->mod_time);
+				acc_date = generate_string_from_date(&gds_c->access_time);
+
+				gtk_tree_store_set (store, &celliter,
+						    CELL_SEL_CELL, gds_c,
+						    CELL_SEL_MODDATE, mod_date->str,
+						    CELL_SEL_ACCESSDATE, acc_date->str,
+						    -1);
+
+				/* Delete GStrings including string data. */
+				/* Cell store copies String type data items */
+				g_string_free(mod_date, TRUE);
+				g_string_free(acc_date, TRUE);
+			}
+		}
+
+		/* Create Layers in Layer Box */
+		generate_layer_widgets(ptr->layer_box, *(ptr->list_ptr));
+	}
+
+end_destroy:
+	/* Destroy dialog and filter */
+	gtk_widget_destroy(open_dialog);
+}
+
+static void on_convert_clicked(gpointer button, gpointer user)
+{
+	static struct render_settings sett = {
+		.scale = 1000.0f,
+				.renderer = RENDERER_LATEX_TIKZ,
+	};
+	struct convert_button_data *data = (struct convert_button_data *)user;
+	GtkTreeSelection *selection;
+	GtkTreeIter iter;
+	GtkTreeModel *model;
+	GList *layer_list;
+	struct gds_cell *cell_to_render;
+	FILE *output_file;
+	GtkWidget *dialog;
+	RendererSettingsDialog *settings;
+	GtkFileFilter *filter;
+	gint res;
+	char *file_name;
+
+	/* Get selected cell */
+	selection = gtk_tree_view_get_selection(data->tree_view);
+	if (gtk_tree_selection_get_selected(selection, &model, &iter) == FALSE)
+		return;
+
+	gtk_tree_model_get(model, &iter, CELL_SEL_CELL, &cell_to_render, -1);
+
+	if (!cell_to_render)
+		return;
+
+	/* Get layers that are rendered */
+	layer_list = export_rendered_layer_info();
+
+	settings = renderer_settings_dialog_new(GTK_WINDOW(data->main_window));
+	renderer_settings_dialog_set_settings(settings, &sett);
+	res = gtk_dialog_run(GTK_DIALOG(settings));
+	if (res == GTK_RESPONSE_OK) {
+		renderer_settings_dialog_get_settings(settings, &sett);
+		gtk_widget_destroy(GTK_WIDGET(settings));
+	} else {
+		gtk_widget_destroy(GTK_WIDGET(settings));
+		goto ret_layer_destroy;
+	}
+
+
+
+	/* save file dialog */
+	dialog = gtk_file_chooser_dialog_new((sett.renderer == RENDERER_LATEX_TIKZ
+					      ? "Save LaTeX File" : "Save PDF"),
+					     GTK_WINDOW(data->main_window), GTK_FILE_CHOOSER_ACTION_SAVE,
+					     "Cancel", GTK_RESPONSE_CANCEL, "Save", GTK_RESPONSE_ACCEPT, NULL);
+	/* Set file filter according to settings */
+	filter = gtk_file_filter_new();
+	if (sett.renderer == RENDERER_LATEX_TIKZ) {
+		gtk_file_filter_add_pattern(filter, "*.tex");
+		gtk_file_filter_set_name(filter, "LaTeX-Files");
+	} else {
+		gtk_file_filter_add_pattern(filter, "*.pdf");
+		gtk_file_filter_set_name(filter, "PDF-Files");
+	}
+	gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), filter);
+
+	res = gtk_dialog_run(GTK_DIALOG(dialog));
+	if (res == GTK_RESPONSE_ACCEPT) {
+		file_name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
+		gtk_widget_destroy(dialog);
+
+		switch (sett.renderer) {
+		case RENDERER_LATEX_TIKZ:
+			output_file = fopen(file_name, "w");
+			latex_render_cell_to_code(cell_to_render, layer_list, output_file, sett.scale,
+						  sett.tex_pdf_layers, sett.tex_standalone);
+			fclose(output_file);
+			break;
+		case RENDERER_CAIROGRAPHICS:
+			cairo_render_cell_to_pdf(cell_to_render, layer_list, file_name, sett.scale);
+			break;
+		}
+		g_free(file_name);
+
+	} else {
+		gtk_widget_destroy(dialog);
+	}
+ret_layer_destroy:
+	g_list_free_full(layer_list, (GDestroyNotify)delete_layer_info_struct);
+}
+
+/* This function activates/deactivates the convert button depending on whether
+ * a cell is selected for conversion or not */
+static void cell_selection_changed(GtkTreeSelection *sel, GtkWidget *convert_button)
+{
+	GtkTreeModel *model = NULL;
+	GtkTreeIter iter;
+
+	if (gtk_tree_selection_get_selected(sel, &model, &iter)) {
+		/* Node selected. Show button */
+		gtk_widget_set_sensitive(convert_button, TRUE);
+	} else {
+		gtk_widget_set_sensitive(convert_button, FALSE);
+	}
+}
+
+GtkWindow *create_main_window()
+{
+	GtkBuilder *main_builder;
+	GtkTreeView *cell_tree;
+	GtkTreeStore *cell_store;
+	GtkWidget *listbox;
+	GtkWidget *conv_button;
+	static GList *gds_libs;
+	static struct open_button_data open_data;
+	static struct convert_button_data conv_data;
+
+	main_builder = gtk_builder_new_from_resource("/main.glade");
+	gtk_builder_connect_signals(main_builder, NULL);
+
+
+
+	cell_tree = GTK_TREE_VIEW(gtk_builder_get_object(main_builder, "cell-tree"));
+	cell_store = setup_cell_selector(cell_tree);
+
+
+	open_data.cell_store = cell_store;
+	open_data.list_ptr = &gds_libs;
+	open_data.main_window = GTK_WINDOW(gtk_builder_get_object(main_builder, "main-window"));
+	g_signal_connect(GTK_WIDGET(gtk_builder_get_object(main_builder, "button-load-gds")),
+			 "clicked", G_CALLBACK(on_load_gds), (gpointer)&open_data);
+
+	/* Connect delete-event */
+	g_signal_connect(GTK_WIDGET(open_data.main_window), "delete-event",
+			 G_CALLBACK(on_window_close), NULL);
+
+	/* Connect Convert button */
+	conv_data.tree_view = cell_tree;
+	conv_data.main_window = open_data.main_window;
+
+	conv_button = GTK_WIDGET(gtk_builder_get_object(main_builder, "convert-button"));
+	g_signal_connect(conv_button, "clicked", G_CALLBACK(on_convert_clicked), &conv_data);
+
+	listbox = GTK_WIDGET(gtk_builder_get_object(main_builder, "layer-list"));
+	open_data.layer_box = GTK_LIST_BOX(listbox);
+
+	/* Set buttons fpr layer mapping GUI */
+	setup_load_mapping_callback(GTK_WIDGET(gtk_builder_get_object(main_builder, "button-load-mapping")),
+				    open_data.main_window);
+	setup_save_mapping_callback(GTK_WIDGET(gtk_builder_get_object(main_builder, "button-save-mapping")),
+				    open_data.main_window);
+
+	/* Callback for selection change of cell selector */
+	g_signal_connect(G_OBJECT(gtk_tree_view_get_selection(cell_tree)), "changed",
+			 G_CALLBACK(cell_selection_changed), conv_button);
+
+	return (conv_data.main_window);
+}
--- a/main-window.h
+++ b/main-window.h
@@ -0,0 +1,27 @@
+/*
+ * 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 _MAIN_WINDOW_H_
+#define _MAIN_WINDOW_H_
+
+#include <gtk/gtk.h>
+
+GtkWindow *create_main_window();
+
+#endif /* _MAIN_WINDOW_H_ */
--- a/main.c
+++ b/main.c
@@ -18,175 +18,85 @@
 */

 #include <stdio.h>
-#include "gdsparse.h"
 #include <gtk/gtk.h>
-#include <layer-element.h>
-#include "layer-selector.h"
+#include "main-window.h"

-
-enum cell_store_columns {
-	LIBRARY,
-	CELL,
-	STORE_COLUMN
-};
-
-
-struct open_button_data {
+struct application_data {
+	GtkApplication *app;
 	GtkWindow *main_window;
-	GList **list_ptr;
-	GtkTreeStore *cell_store;
-	GtkListBox *layer_box;
 };

-gboolean on_window_close(gpointer window, gpointer user)
+
+static void app_quit(GSimpleAction *action, GVariant *parameter, gpointer user_data)
 {
-	gtk_widget_destroy(GTK_WIDGET(window));
-	gtk_main_quit();
-	return TRUE;
+	struct application_data *appdata = (struct application_data *)user_data;
+	gtk_widget_destroy(GTK_WIDGET(appdata->main_window));
 }

-
-
-void on_load_gds(gpointer button, gpointer user)
+static void app_about(GSimpleAction *action, GVariant *parameter, gpointer user_data)
 {
-	GList *cell;
-	GtkTreeIter libiter;
-	GtkTreeIter celliter;
-	GList *lib;
-	struct gds_library *gds_lib;
-	struct gds_cell *gds_c;
-	struct open_button_data *ptr = (struct open_button_data *)user;
-	GtkTreeStore *store = ptr->cell_store;
-	GtkWidget *open_dialog;
-	GtkFileChooser *file_chooser;
-	GtkFileFilter *filter;
-	GtkStyleContext *button_style;
-	gint dialog_result;
-	int gds_result;
-	char *filename;
+	GtkBuilder *builder;
+	GtkDialog *dialog;
+	struct application_data *appdata = (struct application_data *)user_data;

-	open_dialog = gtk_file_chooser_dialog_new("Open GDSII File", ptr->main_window, GTK_FILE_CHOOSER_ACTION_OPEN,
-						  "Cancel", GTK_RESPONSE_CANCEL, "Open GDSII", GTK_RESPONSE_ACCEPT, NULL);
-	file_chooser = GTK_FILE_CHOOSER(open_dialog);
-	/* Add GDS II Filter */
-	filter = gtk_file_filter_new();
-	gtk_file_filter_add_pattern(filter, "*.gds");
-	gtk_file_filter_set_name(filter, "GDSII-Files");
-	gtk_file_chooser_add_filter(file_chooser, filter);
+	builder = gtk_builder_new_from_resource("/about.glade");
+	dialog = GTK_DIALOG(gtk_builder_get_object(builder, "about-dialog"));
+	gtk_window_set_transient_for(GTK_WINDOW(dialog), appdata->main_window);
+	gtk_dialog_run(dialog);

-	dialog_result = gtk_dialog_run(GTK_DIALOG(open_dialog));
-
-	if (dialog_result == GTK_RESPONSE_ACCEPT) {
-
-		/* Get File name */
-		filename = gtk_file_chooser_get_filename(file_chooser);
-
-		gtk_tree_store_clear(store);
-		clear_lib_list(ptr->list_ptr);
-
-		/* Parse new GDSII file */
-		gds_result = parse_gds_from_file(filename, ptr->list_ptr);
-
-		/* Delete file name afterwards */
-		g_free(filename);
-		if (gds_result)
-			goto end_destroy;
-
-		/* remove suggested action from Open button */
-		button_style = gtk_widget_get_style_context(GTK_WIDGET(button));
-		gtk_style_context_remove_class(button_style, "suggested-action");
-
-		for (lib = *(ptr->list_ptr); lib != NULL; lib = lib->next) {
-			gds_lib = (struct gds_library *)lib->data;
-			/* Create top level iter */
-			gtk_tree_store_append (store, &libiter, NULL);
-			gtk_tree_store_set (store, &libiter, LIBRARY, gds_lib->name, -1);
-			for (cell = gds_lib->cells; cell != NULL; cell = cell->next) {
-				gds_c = (struct gds_cell *)cell->data;
-				gtk_tree_store_append (store, &celliter, &libiter);
-				gtk_tree_store_set (store, &celliter, CELL, gds_c->name, -1);
-			}
-		}
-
-		/* Create Layers in Layer Box */
-		generate_layer_widgets(ptr->layer_box, *(ptr->list_ptr));
-	}
-
-end_destroy:
-	/* Destroy dialog and filter */
-	gtk_widget_destroy(open_dialog);
+	gtk_widget_destroy(dialog);
+	g_object_unref(builder);
 }

-void on_convert_clicked(gpointer button, gpointer user)
+const GActionEntry app_actions[] = {
+	{ "quit", app_quit },
+	{ "about", app_about }
+};
+
+static void gapp_activate(GApplication *app, gpointer user_data)
 {
-	printf("convert\n");
-}
+	GtkWindow *main_window;
+	struct application_data *appdata = (struct application_data *)user_data;

-static GtkTreeStore * setup_cell_selector(GtkTreeView* view)
-{
-	GtkTreeStore *cell_store;
-
-	GtkCellRenderer *render;
-	GtkTreeViewColumn *column;
-
-	cell_store = gtk_tree_store_new(STORE_COLUMN, G_TYPE_STRING, G_TYPE_STRING);
-	gtk_tree_view_set_model(view, GTK_TREE_MODEL(cell_store));
-
-	render = gtk_cell_renderer_text_new();
-	column = gtk_tree_view_column_new_with_attributes("Library", render, "text", LIBRARY, NULL);
-	gtk_tree_view_append_column(view, column);
-
-	column = gtk_tree_view_column_new_with_attributes("Cell", render, "text", CELL, NULL);
-	gtk_tree_view_append_column(view, column);
-
-	return cell_store;
+	main_window = create_main_window();
+	appdata->main_window = main_window;
+	gtk_application_add_window(GTK_APPLICATION(app), main_window);
+	gtk_widget_show(GTK_WIDGET(main_window));
 }

 int main(int argc, char **argv)
 {
-	GtkBuilder *main_builder;
-	GList *gds_libs = NULL;
-	GtkTreeView *cell_tree;
-	GtkTreeStore *cell_store;
-	GtkWidget *widget_generic;
-	GtkWidget *layer;
-	GtkWidget *listbox;
+	GtkApplication *gapp;
+	int app_status;
+	struct application_data appdata;
+	GMenu *menu;
+	GMenu *m_quit;
+	GMenu *m_about;

-	struct open_button_data open_data;
-
-	gtk_init(&argc, &argv);
-
-	main_builder = gtk_builder_new_from_resource("/main.glade");
-	gtk_builder_connect_signals(main_builder, NULL);
+	gapp = gtk_application_new("de.shimatta.gds-render", G_APPLICATION_FLAGS_NONE);
+	g_application_register(G_APPLICATION(gapp), NULL, NULL);
+	//g_action_map_add_action_entries(G_ACTION_MAP(gapp), app_actions, G_N_ELEMENTS(app_actions), &appdata);
+	g_signal_connect (gapp, "activate", G_CALLBACK(gapp_activate), &appdata);



-	cell_tree = (GtkTreeView *)gtk_builder_get_object(main_builder, "cell-tree");
-	cell_store = setup_cell_selector(cell_tree);
+	menu = g_menu_new();
+	m_quit = g_menu_new();
+	m_about = g_menu_new();
+	g_menu_append(m_quit, "Quit", "app.quit");
+	g_menu_append(m_about, "About", "app.about");
+	g_menu_append_section(menu, NULL, G_MENU_MODEL(m_about));
+	g_menu_append_section(menu, NULL, G_MENU_MODEL(m_quit));
+	g_action_map_add_action_entries(G_ACTION_MAP(gapp), app_actions, G_N_ELEMENTS(app_actions), &appdata);
+	gtk_application_set_app_menu(GTK_APPLICATION(gapp), G_MENU_MODEL(menu));
+
+	g_object_unref(m_quit);
+	g_object_unref(m_about);
+	g_object_unref(menu);


-	open_data.cell_store = cell_store;
-	open_data.list_ptr = &gds_libs;
-	open_data.main_window = GTK_WINDOW(gtk_builder_get_object(main_builder, "main-window"));
-	g_signal_connect(GTK_WIDGET(gtk_builder_get_object(main_builder, "button-load-gds")),
-			 "clicked", G_CALLBACK(on_load_gds), (gpointer)&open_data);
+	app_status = g_application_run (G_APPLICATION(gapp), argc, argv);
+	g_object_unref (gapp);

-
-	/* Connect Convert button */
-	widget_generic = GTK_WIDGET(gtk_builder_get_object(main_builder, "convert-button"));
-	g_signal_connect(widget_generic, "clicked", G_CALLBACK(on_convert_clicked), layer);
-
-	listbox = GTK_WIDGET(gtk_builder_get_object(main_builder, "layer-list"));
-	open_data.layer_box = GTK_LIST_BOX(listbox);
-
-	/* Set buttons fpr layer mapping GUI */
-	setup_load_mapping_callback(GTK_WIDGET(gtk_builder_get_object(main_builder, "button-load-mapping")),
-				    open_data.main_window);
-	setup_save_mapping_callback(GTK_WIDGET(gtk_builder_get_object(main_builder, "button-save-mapping")),
-				    open_data.main_window);
-
-
-	gtk_main();
-
-	return 0;
+	return app_status;
 }
--- a/test-data/.gitignore
+++ b/test-data/.gitignore
@@ -0,0 +1,2 @@
+*.log
+*.aux
--- a/test-data/polygon+path/layer-mapping.map
+++ b/test-data/polygon+path/layer-mapping.map
@@ -0,0 +1,2 @@
+2,0.203922,0.396078,0.643137,1.000000,1,BOTTOM-Layer
+1,0.450980,0.823529,0.086275,1.000000,1,TOP-Layer
--- a/test-data/polygon+path/path.gds
+++ b/test-data/polygon+path/path.gds
--- a/test-data/polygon+path/path.pdf
+++ b/test-data/polygon+path/path.pdf
--- a/test-data/polygon+path/path.tex
+++ b/test-data/polygon+path/path.tex
@@ -0,0 +1,56 @@
+\newif\iftestmode
+\testmodetrue % Change to true for standalone rendering
+\newif\ifcreatepdflayers
+\createpdflayerstrue % Change to true for Embedded layers in PDF output
+\iftestmode
+\documentclass[tikz]{standalone}
+\usepackage{xcolor}
+\usetikzlibrary{ocgx}
+\begin{document}
+\fi
+\pgfdeclarelayer{l2}
+\definecolor{c2}{rgb}{0.203922,0.396078,0.643137}
+\pgfdeclarelayer{l1}
+\definecolor{c1}{rgb}{0.450980,0.823529,0.086275}
+\pgfsetlayers{l2,l1,main}
+\begin{tikzpicture}
+\begin{pgfonlayer}{l1}
+\ifcreatepdflayers
+\begin{scope}[ocg={ref=1, status=visible,name={TOP-Layer}}]
+\fi]
+\draw[line width=0.300000 pt, draw={c1}, opacity={1.000000}, cap=rect] (-1.108000 pt, 0.589000 pt) -- (-0.498000 pt, 0.589000 pt) -- (-0.255000 pt, 0.343000 pt);
+\ifcreatepdflayers
+\end{scope}
+\fi
+\end{pgfonlayer}
+\begin{pgfonlayer}{l1}
+\ifcreatepdflayers
+\begin{scope}[ocg={ref=1, status=visible,name={TOP-Layer}}]
+\fi]
+\draw[line width=0.300000 pt, draw={c1}, opacity={1.000000}, cap=butt] (-1.031000 pt, 0.326000 pt) -- (-1.028000 pt, 0.093000 pt) -- (-0.282000 pt, -0.019000 pt);
+\ifcreatepdflayers
+\end{scope}
+\fi
+\end{pgfonlayer}
+\begin{pgfonlayer}{l1}
+\ifcreatepdflayers
+\begin{scope}[ocg={ref=1, status=visible,name={TOP-Layer}}]
+\fi]
+\draw[line width=0.300000 pt, draw={c1}, opacity={1.000000}, cap=round] (0.076000 pt, 0.059000 pt) -- (0.660000 pt, 0.027000 pt) -- (0.871000 pt, 0.599000 pt);
+\ifcreatepdflayers
+\end{scope}
+\fi
+\end{pgfonlayer}
+\begin{pgfonlayer}{l2}
+\ifcreatepdflayers
+\begin{scope}[ocg={ref=2, status=visible,name={BOTTOM-Layer}}]
+\fi]
+\draw[line width=0.00001 pt, draw={c2}, fill={c2}, fill opacity={1.000000}] (-1.264000 pt, -0.471000 pt) -- (-1.264000 pt, 0.768000 pt) -- (1.047000 pt, 0.768000 pt) -- (1.047000 pt, -0.471000 pt) -- (-1.264000 pt, -0.471000 pt) -- cycle;
+\ifcreatepdflayers
+\end{scope}
+\fi
+\end{pgfonlayer}
+\end{tikzpicture}
+\iftestmode
+\end{document}
+\fi
--- a/test-data/polygon-only/layer-mapping.map
+++ b/test-data/polygon-only/layer-mapping.map
@@ -0,0 +1,2 @@
+2,0.203922,0.396078,0.643137,1.000000,1,BOTTOM-Layer
+1,0.450980,0.823529,0.086275,1.000000,1,TOP-Layer
--- a/test-data/polygon-only/test.gds
+++ b/test-data/polygon-only/test.gds
--- a/test-data/polygon-only/test.pdf
+++ b/test-data/polygon-only/test.pdf
--- a/test-data/polygon-only/test.tex
+++ b/test-data/polygon-only/test.tex
--- a/tree-renderer/lib-cell-renderer.c
+++ b/tree-renderer/lib-cell-renderer.c
@@ -0,0 +1,99 @@
+/*
+ * 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/>.
+ */
+
+#include "lib-cell-renderer.h"
+#include "../gds-parser/gds-types.h"
+
+G_DEFINE_TYPE(LibCellRenderer, lib_cell_renderer, GTK_TYPE_CELL_RENDERER_TEXT)
+
+enum {
+	PROP_LIB = 1,
+	PROP_CELL,
+	PROP_COUNT
+};
+
+void lib_cell_renderer_init(LibCellRenderer *self)
+{
+	/* Nothing to do */
+}
+
+static void lib_cell_renderer_constructed(GObject *obj)
+{
+	G_OBJECT_CLASS(lib_cell_renderer_parent_class)->constructed(obj);
+}
+
+static void lib_cell_renderer_set_property(GObject      *object,
+					   guint        param_id,
+					   const GValue *value,
+					   GParamSpec   *pspec)
+{
+	GValue val = G_VALUE_INIT;
+
+	g_value_init(&val, G_TYPE_STRING);
+
+	switch (param_id) {
+	case PROP_LIB:
+		g_value_set_string(&val, ((struct gds_library *)g_value_get_pointer(value))->name);
+		g_object_set_property(object, "text", &val);
+		break;
+	case PROP_CELL:
+		g_value_set_string(&val, ((struct gds_cell *)g_value_get_pointer(value))->name);
+		g_object_set_property(object, "text", &val);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
+		break;
+	}
+}
+
+static void lib_cell_renderer_get_property(GObject      *object,
+					   guint        param_id,
+					   GValue	*value,
+					   GParamSpec   *pspec)
+{
+	switch (param_id) {
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
+		break;
+	}
+}
+
+static GParamSpec *properties [PROP_COUNT];
+
+void lib_cell_renderer_class_init(LibCellRendererClass *klass)
+{
+	GObjectClass *oclass = G_OBJECT_CLASS(klass);
+	oclass->constructed = lib_cell_renderer_constructed;
+	oclass->set_property = lib_cell_renderer_set_property;
+	oclass->get_property = lib_cell_renderer_get_property;
+
+	properties[PROP_LIB] = g_param_spec_pointer("gds-lib", "gds-lib",
+							 "Library reference to be displayed",
+							 G_PARAM_WRITABLE);
+	properties[PROP_CELL] = g_param_spec_pointer("gds-cell", "gds-cell",
+							 "Cell reference to be displayed",
+							 G_PARAM_WRITABLE);
+
+	g_object_class_install_properties(oclass, PROP_COUNT, properties);
+}
+
+GtkCellRenderer *lib_cell_renderer_new()
+{
+	return GTK_CELL_RENDERER(g_object_new(TYPE_LIB_CELL_RENDERER, NULL));
+}
--- a/tree-renderer/lib-cell-renderer.h
+++ b/tree-renderer/lib-cell-renderer.h
@@ -0,0 +1,41 @@
+/*
+ * 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 __LIB_CELL_RENDERER_H__
+#define __LIB_CELL_RENDERER_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+G_DECLARE_FINAL_TYPE(LibCellRenderer, lib_cell_renderer, LIB_CELL, RENDERER, GtkCellRendererText)
+#define TYPE_LIB_CELL_RENDERER (lib_cell_renderer_get_type())
+
+typedef struct _LibCellRenderer {
+        /* Inheritance */
+        GtkCellRendererText super;
+        /* Custom Elements */
+} LibCellRenderer;
+
+GType lib_cell_renderer_get_type(void);
+GtkCellRenderer *lib_cell_renderer_new(void);
+
+G_END_DECLS
+
+#endif /* __LIB_CELL_RENDERER_H__ */
--- a/tree-renderer/tree-store.c
+++ b/tree-renderer/tree-store.c
@@ -0,0 +1,79 @@
+#include "tree-store.h"
+#include "lib-cell-renderer.h"
+#include "../gds-parser/gds-types.h"
+
+static gboolean tree_sel_func(GtkTreeSelection *selection,
+				GtkTreeModel *model,
+				GtkTreePath *path,
+				gboolean path_currently_selected,
+				gpointer data)
+{
+	GtkTreeIter iter;
+	struct gds_cell *cell;
+
+	gtk_tree_model_get_iter(model, &iter, path);
+	gtk_tree_model_get(model, &iter, CELL_SEL_CELL, &cell, -1);
+
+	/* Allow only rows with valid cell to be selected */
+	if (cell)
+		return TRUE;
+	else
+		return FALSE;
+}
+
+GtkTreeStore *setup_cell_selector(GtkTreeView* view)
+{
+	GtkTreeStore *cell_store;
+
+	GtkCellRenderer *render_dates;
+	GtkCellRenderer *render_cell;
+	GtkCellRenderer *render_lib;
+	GtkTreeViewColumn *column;
+	GdkRGBA cell_text_color;
+	GValue val = G_VALUE_INIT;
+
+	cell_store = gtk_tree_store_new(CELL_SEL_COLUMN_COUNT, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_STRING, G_TYPE_STRING);
+	gtk_tree_view_set_model(view, GTK_TREE_MODEL(cell_store));
+
+	render_dates = gtk_cell_renderer_text_new();
+	render_cell = lib_cell_renderer_new();
+	render_lib = lib_cell_renderer_new();
+
+	/* Set foreground color for cell column */
+	cell_text_color.alpha = 1;
+	cell_text_color.red = (double)61.0/(double)255.0;
+	cell_text_color.green = (double)152.0/(double)255.0;
+	cell_text_color.blue = 0.0;
+
+	g_value_init(&val, G_TYPE_BOOLEAN);
+	g_value_set_boolean(&val, TRUE);
+	g_object_set_property(G_OBJECT(render_cell), "foreground-set", &val);
+	g_value_unset(&val);
+
+	g_value_init(&val, GDK_TYPE_RGBA);
+	g_value_set_boxed(&val, &cell_text_color);
+	g_object_set_property(G_OBJECT(render_cell), "foreground-rgba", &val);
+	g_value_unset(&val);
+
+
+
+
+	column = gtk_tree_view_column_new_with_attributes("Library", render_lib, "gds-lib", CELL_SEL_LIBRARY, NULL);
+	gtk_tree_view_append_column(view, column);
+
+	/* Cell color: #3D9801 */
+	column = gtk_tree_view_column_new_with_attributes("Cell", render_cell, "gds-cell", CELL_SEL_CELL, NULL);
+	gtk_tree_view_append_column(view, column);
+
+	column = gtk_tree_view_column_new_with_attributes("Mod. Date", render_dates, "text", CELL_SEL_MODDATE, NULL);
+	gtk_tree_view_append_column(view, column);
+
+	column = gtk_tree_view_column_new_with_attributes("Acc. Date", render_dates, "text", CELL_SEL_ACCESSDATE, NULL);
+	gtk_tree_view_append_column(view, column);
+
+	/* Callback for selection
+	 * This prevents selecting a library */
+	gtk_tree_selection_set_select_function(gtk_tree_view_get_selection(view), tree_sel_func, NULL, NULL);
+
+	return cell_store;
+}
--- a/tree-renderer/tree-store.h
+++ b/tree-renderer/tree-store.h
@@ -0,0 +1,16 @@
+#ifndef __TREE_STORE_H__
+#define __TREE_STORE_H__
+
+#include <gtk/gtk.h>
+
+enum cell_store_columns {
+        CELL_SEL_LIBRARY = 0,
+        CELL_SEL_CELL,
+        CELL_SEL_MODDATE,
+        CELL_SEL_ACCESSDATE,
+        CELL_SEL_COLUMN_COUNT
+};
+
+GtkTreeStore *setup_cell_selector(GtkTreeView* view);
+
+#endif /* __TREE_STORE_H__ */
--- a/widgets/conv-settings-dialog.c
+++ b/widgets/conv-settings-dialog.c
@@ -0,0 +1,128 @@
+/*
+ * 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/>.
+ */
+
+#include "conv-settings-dialog.h"
+
+struct  _RendererSettingsDialog {
+		GtkDialog parent;
+		/* Private loot */
+		GtkWidget *radio_latex;
+		GtkWidget *radio_cairo;
+		GtkWidget *scale;
+		GtkWidget *layer_check;
+		GtkWidget *standalone_check;
+};
+
+G_DEFINE_TYPE(RendererSettingsDialog, renderer_settings_dialog, GTK_TYPE_DIALOG)
+
+
+
+static void renderer_settings_dialog_class_init(RendererSettingsDialogClass *klass)
+{
+	/*  No special code needed. Child cells are destroyed automatically due to reference counter */
+	return;
+}
+
+static void show_tex_options(RendererSettingsDialog *self)
+{
+	gtk_widget_show(self->layer_check);
+	gtk_widget_show(self->standalone_check);
+
+}
+
+static void hide_tex_options(RendererSettingsDialog *self)
+{
+	gtk_widget_hide(self->layer_check);
+	gtk_widget_hide(self->standalone_check);
+}
+
+static void latex_render_callback(GtkToggleButton *radio, RendererSettingsDialog *dialog)
+{
+	if (gtk_toggle_button_get_active(radio))
+		show_tex_options(dialog);
+	else
+		hide_tex_options(dialog);
+}
+
+static void renderer_settings_dialog_init(RendererSettingsDialog *self)
+{
+	GtkBuilder *builder;
+	GtkWidget *box;
+	GtkDialog *dialog;
+
+
+	dialog = &(self->parent);
+
+	builder = gtk_builder_new_from_resource("/dialog.glade");
+	box = GTK_WIDGET(gtk_builder_get_object(builder, "dialog-box"));
+	self->radio_latex = GTK_WIDGET(gtk_builder_get_object(builder, "latex-radio"));
+	self->radio_cairo = GTK_WIDGET(gtk_builder_get_object(builder, "cairo-radio"));
+	self->scale = GTK_WIDGET(gtk_builder_get_object(builder, "dialog-scale"));
+	self->standalone_check = GTK_WIDGET(gtk_builder_get_object(builder, "standalone-check"));
+	self->layer_check = GTK_WIDGET(gtk_builder_get_object(builder, "layer-check"));
+
+	gtk_dialog_add_buttons(dialog, "Cancel", GTK_RESPONSE_CANCEL, "OK", GTK_RESPONSE_OK, NULL);
+	gtk_container_add(GTK_CONTAINER(gtk_dialog_get_content_area(dialog)), box);
+	gtk_window_set_title(GTK_WINDOW(self), "Renderer Settings");
+
+	g_signal_connect(self->radio_latex, "toggled", G_CALLBACK(latex_render_callback), (gpointer)self);
+
+	g_object_unref(builder);
+}
+
+RendererSettingsDialog *renderer_settings_dialog_new(GtkWindow *parent)
+{
+	RendererSettingsDialog *res;
+
+	res = RENDERER_SETTINGS_DIALOG(g_object_new(RENDERER_TYPE_SETTINGS_DIALOG, NULL));
+	if (res && parent) {
+		gtk_window_set_transient_for(GTK_WINDOW(res), parent);
+	}
+	return res;
+}
+
+void renderer_settings_dialog_get_settings(RendererSettingsDialog *dialog, struct render_settings *settings)
+{
+	if (!settings || !dialog)
+		return;
+	settings->scale = gtk_range_get_value(GTK_RANGE(dialog->scale));
+	settings->renderer = (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(dialog->radio_latex)) == TRUE ? RENDERER_LATEX_TIKZ : RENDERER_CAIROGRAPHICS);
+	settings->tex_pdf_layers = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(dialog->layer_check));
+	settings->tex_standalone = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(dialog->standalone_check));
+}
+void renderer_settings_dialog_set_settings(RendererSettingsDialog *dialog, struct render_settings *settings)
+{
+	if (!settings || !dialog)
+		return;
+
+	gtk_range_set_value(GTK_RANGE(dialog->scale), settings->scale);
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dialog->layer_check), settings->tex_pdf_layers);
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dialog->standalone_check), settings->tex_standalone);
+
+	switch (settings->renderer) {
+	case RENDERER_LATEX_TIKZ:
+		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dialog->radio_latex), TRUE);
+		show_tex_options(dialog);
+		break;
+	case RENDERER_CAIROGRAPHICS:
+		hide_tex_options(dialog);
+		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dialog->radio_cairo), TRUE);
+		break;
+	}
+}
--- a/widgets/conv-settings-dialog.h
+++ b/widgets/conv-settings-dialog.h
@@ -0,0 +1,48 @@
+/*
+ * 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 __CONV_SETTINGS_DIALOG_H__
+#define __CONV_SETTINGS_DIALOG_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+enum output_renderer {RENDERER_LATEX_TIKZ, RENDERER_CAIROGRAPHICS};
+
+G_DECLARE_FINAL_TYPE(RendererSettingsDialog, renderer_settings_dialog, RENDERER, SETTINGS_DIALOG, GtkDialog)
+
+RendererSettingsDialog *renderer_settings_dialog_new(GtkWindow *parent);
+
+#define RENDERER_TYPE_SETTINGS_DIALOG (renderer_settings_dialog_get_type())
+
+struct render_settings {
+	double scale;
+	enum output_renderer renderer;
+	gboolean tex_pdf_layers;
+	gboolean tex_standalone;
+};
+
+G_END_DECLS
+
+
+void renderer_settings_dialog_set_settings(RendererSettingsDialog *dialog, struct render_settings *settings);
+void renderer_settings_dialog_get_settings(RendererSettingsDialog *dialog, struct render_settings *settings);
+
+#endif /* __CONV_SETTINGS_DIALOG_H__ */
--- a/widgets/layer-element.c
+++ b/widgets/layer-element.c
@@ -0,0 +1,189 @@
+/*
+ * 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/>.
+ */
+
+#include "layer-element.h"
+
+G_DEFINE_TYPE(LayerElement, layer_element, GTK_TYPE_LIST_BOX_ROW)
+
+static void layer_element_dispose(GObject *obj)
+{
+	/* destroy parent container. This destroys all widgets inside */
+	G_OBJECT_CLASS(layer_element_parent_class)->dispose(obj);
+}
+
+static void layer_element_constructed(GObject *obj)
+{
+	G_OBJECT_CLASS(layer_element_parent_class)->constructed(obj);
+}
+
+static void layer_element_class_init(LayerElementClass *klass)
+{
+	GObjectClass *oclass = G_OBJECT_CLASS(klass);
+	oclass->dispose = layer_element_dispose;
+	oclass->constructed = layer_element_constructed;
+}
+
+static GtkTargetEntry entries[] = {
+	{ "GTK_LIST_BOX_ROW", GTK_TARGET_SAME_APP, 0 }
+};
+
+static void layer_element_drag_begin(GtkWidget *widget,
+				     GdkDragContext *context,
+				     gpointer data)
+{
+	GtkWidget *row;
+	GtkAllocation alloc;
+	cairo_surface_t *surface;
+	cairo_t *cr;
+	int x, y;
+
+	row = gtk_widget_get_ancestor (widget, GTK_TYPE_LIST_BOX_ROW);
+	gtk_widget_get_allocation (row, &alloc);
+	surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, alloc.width, alloc.height);
+	cr = cairo_create (surface);
+
+	gtk_style_context_add_class (gtk_widget_get_style_context (row), "drag-icon");
+	gtk_widget_draw (row, cr);
+	gtk_style_context_remove_class (gtk_widget_get_style_context (row), "drag-icon");
+
+	gtk_widget_translate_coordinates (widget, row, 0, 0, &x, &y);
+	cairo_surface_set_device_offset (surface, -x, -y);
+	gtk_drag_set_icon_surface (context, surface);
+
+	cairo_destroy (cr);
+	cairo_surface_destroy (surface);
+}
+
+static void layer_element_drag_data_get(GtkWidget *widget,
+					GdkDragContext *context,
+					GtkSelectionData *selection_data,
+					guint info,
+					guint time,
+					gpointer data)
+{
+	gtk_selection_data_set(selection_data, gdk_atom_intern_static_string("GTK_LIST_BOX_ROW"),
+			       32, (const guchar *)&widget, sizeof(gpointer));
+}
+
+static void layer_element_drag_data_received(GtkWidget        *widget,
+					     GdkDragContext   *context,
+					     gint              x,
+					     gint              y,
+					     GtkSelectionData *selection_data,
+					     guint             info,
+					     guint32           time,
+					     gpointer          data)
+{
+	GtkWidget *target;
+	GtkWidget *row;
+	GtkWidget *source;
+	int pos;
+
+	target = widget;
+
+	pos = gtk_list_box_row_get_index (GTK_LIST_BOX_ROW (target));
+	row = (gpointer) *(gpointer *)gtk_selection_data_get_data (selection_data);
+	source = gtk_widget_get_ancestor (row, GTK_TYPE_LIST_BOX_ROW);
+
+	if (source == target)
+		return;
+
+	g_object_ref (source);
+	gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (source)), source);
+	gtk_list_box_insert (GTK_LIST_BOX (gtk_widget_get_parent (target)), source, pos);
+	g_object_unref (source);
+}
+
+static void layer_element_init(LayerElement *self)
+{
+	GtkBuilder *builder;
+	GtkWidget *glade_box;
+	builder = gtk_builder_new_from_resource("/layer-widget.glade");
+	glade_box = GTK_WIDGET(gtk_builder_get_object(builder, "box"));
+	gtk_container_add(GTK_CONTAINER(self), glade_box);
+
+	/* Get Elements */
+	self->priv.color = GTK_COLOR_BUTTON(gtk_builder_get_object(builder, "color"));
+	self->priv.export = GTK_CHECK_BUTTON(gtk_builder_get_object(builder, "export"));
+	self->priv.layer = GTK_LABEL(gtk_builder_get_object(builder, "layer"));
+	self->priv.name = GTK_ENTRY(gtk_builder_get_object(builder, "entry"));
+	self->priv.event_handle = GTK_EVENT_BOX(gtk_builder_get_object(builder, "event-box"));
+
+	/* Setup drag and drop */
+	gtk_drag_source_set(GTK_WIDGET(self->priv.event_handle), GDK_BUTTON1_MASK, entries, 1, GDK_ACTION_MOVE);
+	g_signal_connect(self->priv.event_handle, "drag-begin", G_CALLBACK(layer_element_drag_begin), NULL);
+	g_signal_connect(self->priv.event_handle, "drag-data-get", G_CALLBACK(layer_element_drag_data_get), NULL);
+	gtk_drag_dest_set(GTK_WIDGET(self), GTK_DEST_DEFAULT_ALL, entries, 1, GDK_ACTION_MOVE);
+	g_signal_connect(GTK_WIDGET(self), "drag-data-received", G_CALLBACK(layer_element_drag_data_received), NULL);
+
+	g_object_unref(builder);
+}
+
+GtkWidget *layer_element_new(void)
+{
+	return GTK_WIDGET(g_object_new(TYPE_LAYER_ELEMENT, NULL));
+}
+
+const char *layer_element_get_name(LayerElement *elem)
+{
+	return gtk_entry_get_text(elem->priv.name);
+}
+
+void layer_element_set_name(LayerElement *elem, const char* name)
+{
+	gtk_entry_set_text(elem->priv.name, name);
+}
+
+void layer_element_set_layer(LayerElement *elem, int layer)
+{
+	GString *string;
+
+	string = g_string_new_len(NULL, 100);
+	g_string_printf(string, "Layer: %d", layer);
+	gtk_label_set_text(elem->priv.layer, (const gchar *)string->str);
+	elem->priv.layer_num = layer;
+	g_string_free(string, TRUE);
+}
+
+int layer_element_get_layer(LayerElement *elem)
+{
+	return elem->priv.layer_num;
+}
+
+void layer_element_set_export(LayerElement *elem, gboolean export)
+{
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(elem->priv.export), export);
+}
+
+gboolean layer_element_get_export(LayerElement *elem)
+{
+	return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(elem->priv.export));
+}
+
+void layer_element_get_color(LayerElement *elem, GdkRGBA *rgba)
+{
+	if (!rgba)
+		return;
+	gtk_color_chooser_get_rgba(GTK_COLOR_CHOOSER(elem->priv.color), rgba);
+}
+
+void layer_element_set_color(LayerElement *elem, GdkRGBA *rgba)
+{
+	gtk_color_chooser_set_rgba(GTK_COLOR_CHOOSER(elem->priv.color), rgba);
+}
--- a/layer-widget/layer-element.h
+++ b/layer-widget/layer-element.h
@@ -21,33 +21,30 @@
 #define __LAYER_ELEMENT_H__

 #include <gtk/gtk.h>
-// #include <gdk/gdk.h>

-#define LAYER_ELEMENT(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, layer_element_get_type(), LayerElement)
-#define LAYER_ELEMENT_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, layer_element_get_type(), LayerElementClass)
-#define IS_LAYE_RELEMENT(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, layer_element_get_type())
+G_BEGIN_DECLS
+
+/* Creates Class structure etc */
+G_DECLARE_FINAL_TYPE(LayerElement, layer_element, LAYER, ELEMENT, GtkListBoxRow)
+
+#define TYPE_LAYER_ELEMENT (layer_element_get_type())

 typedef struct _LayerElementPriv {
 	GtkEntry *name;
 	GtkLabel *layer;
 	int layer_num;
+	GtkEventBox *event_handle;
 	GtkColorButton *color;
 	GtkCheckButton *export;
 } LayerElementPriv;

-typedef struct _LayerElement {
+struct _LayerElement {
 	/* Inheritance */
-	GtkBox hbox;
+	GtkListBoxRow parent;
 	/* Custom Elements */
 	LayerElementPriv priv;
-} LayerElement;
+};

-typedef struct _LayerElementClass {
-	GtkBoxClass parent_class;
-} LayerElementClass;
-
-
-GType layer_element_get_type(void);
 GtkWidget *layer_element_new(void);

 const char *layer_element_get_name(LayerElement *elem);
@@ -59,4 +56,6 @@ gboolean layer_element_get_export(LayerElement *elem);
 void layer_element_get_color(LayerElement *elem, GdkRGBA *rgba);
 void layer_element_set_color(LayerElement *elem, GdkRGBA *rgba);

+G_END_DECLS
+
 #endif /* __LAYER_ELEMENT_H__ */
Author	SHA1	Message	Date
Mario Hüttel	a5d794461a	Add license	2018-07-23 15:26:51 +02:00
Mario Hüttel	6fb4d39fc8	Add application menu and about dialog	2018-07-23 15:10:40 +02:00
Mario Hüttel	d0e1383861	reconstructed code to use g_application	2018-07-23 13:10:34 +02:00
Mario Hüttel	6296627ac2	Merge branch 'master' of git.shimatta.de:mhu/gds-render	2018-07-23 09:59:26 +02:00
Mario Hüttel	f79bab102b	Remove Bounding box calculations from parser. They're not needed	2018-07-23 09:58:14 +02:00
Mario Hüttel	e5300e60aa	Color of Load layer mapping button changed to blue	2018-07-22 16:55:20 +02:00
Mario Hüttel	4c5784c3a4	finished first version of Cairo export	2018-07-22 16:38:26 +02:00
Mario Hüttel	f765e27ce8	fix rendering of box in cairo renderer	2018-07-20 23:29:27 +02:00
Mario Hüttel	40760725b8	Merge branch 'master' into cairo-dev	2018-07-20 23:26:50 +02:00
Mario Hüttel	dac834aef2	auto detect glade files	2018-07-20 23:22:47 +02:00
Mario Hüttel	d4f2d6798e	Merge branch 'master' into cairo-dev	2018-07-20 22:41:16 +02:00
Mario Hüttel	f8cbf7e066	use enum name instead of pure integer value	2018-07-20 22:36:54 +02:00
Mario Hüttel	59ec0c5a10	cairo layer renderer	2018-07-20 22:32:23 +02:00
Mario Hüttel	2a615367d7	Add advanced export settings for LaTeX export	2018-07-19 22:09:58 +02:00
Mario Hüttel	3167da4648	cairo output started	2018-07-19 18:45:37 +02:00
Mario Hüttel	b72466957c	Added variable scaling factor for Tex output	2018-07-19 17:54:05 +02:00
Mario Hüttel	d9f0f3cdd5	settings dialog fully implemented	2018-07-19 17:49:33 +02:00
Mario Hüttel	4c04ce3614	further implementation of settings dialog	2018-07-19 16:38:52 +02:00
Mario Hüttel	a2bc980c64	dialog implementation	2018-07-19 15:47:57 +02:00
Mario Hüttel	73ea4d6838	re-organized folder structure	2018-07-19 15:11:18 +02:00
Mario Hüttel	526785cffd	add dialog to compile resources	2018-07-19 15:07:20 +02:00
Mario Hüttel	6a8b359f3d	add dialog for conversion options	2018-07-19 15:05:44 +02:00
Mario Hüttel	bbd731401d	add support for boxes	2018-07-17 00:02:30 +02:00
Mario Hüttel	7734467ea9	Use cairo for path bounding box	2018-07-11 12:24:15 +02:00
Mario Hüttel	7d66ca1280	Support for magnification, bounding boxes fully implemented	2018-07-04 21:46:39 +02:00
Mario Hüttel	542737622f	smaller fixes, started boundary box scanner. Rotation, scaling and flipping is not handled correctly yet	2018-07-04 09:49:04 +02:00
Mario Hüttel	221d5a5db5	important Bugfix. Flipping direction in LaTeX renderer fixed	2018-06-12 18:33:13 +02:00
Mario Hüttel	a531da26d3	Merge branch 'master' of git.shimatta.de:mhu/gds-render	2018-06-11 15:18:02 +02:00
Mario Hüttel	f913976a44	replaced date parser by shorter but more complicated code	2018-06-11 15:16:40 +02:00
Mario Hüttel	da19037211	Activate -Wall compile flag, Fix code not to throw warnings	2018-06-05 22:51:50 +02:00
Mario Hüttel	3ed83c1146	open GDS File in binary mode	2018-06-04 12:26:31 +02:00
Mario Hüttel	9d10b17d7d	add 0x prefix for hex number	2018-06-04 12:05:53 +02:00
Mario Hüttel	ea53890cd0	Move delete-event signal connect from glade to C-File	2018-06-04 11:41:35 +02:00
Mario Hüttel	88815bc007	Fix implicit function declaration	2018-06-04 11:37:36 +02:00
Mario Hüttel	288965af7b	move example alyouts+rendered outputs into subfolders	2018-06-02 02:58:56 +02:00
Mario Hüttel	690c1cb5ae	Implement full path support with correct line caps (rounded\|flat\|squared)	2018-06-02 02:54:38 +02:00
Mario Hüttel	0f4de608a2	Enabled parser to detect path-types, fix indentation	2018-06-02 02:25:01 +02:00
Mario Hüttel	d1a1cb762a	update eymaples	2018-06-01 21:48:10 +02:00
Mario Hüttel	223a2c6e71	add support for paths	2018-06-01 21:47:54 +02:00
Mario Hüttel	27cb06afe2	Add example GDS file, mapping file, and output files generated	2018-05-31 02:18:05 +02:00
Mario Hüttel	1c4ccd9153	Support for standalone rendering	2018-05-31 02:16:37 +02:00
Mario Hüttel	dc208c6ad3	fix bug in parser	2018-05-31 02:16:12 +02:00
Mario Hüttel	8455491c11	fix syntax error in exported LaTeX code	2018-05-31 00:08:02 +02:00
Mario Hüttel	58c7f571f4	fix type cast warning	2018-05-31 00:06:00 +02:00
Mario Hüttel	0290a6c9d3	Layer support added	2018-05-31 00:04:14 +02:00
Mario Hüttel	9b7073604b	Merge branch 'master' of git.shimatta.de:mhu/gds-render	2018-05-30 23:57:00 +02:00
Mario Hüttel	f2c58e4520	LaTeX Layer support started	2018-05-30 23:56:38 +02:00
Mario Hüttel	c1a7dce0a3	Add directory for rendering example	2018-05-27 16:53:02 +02:00
Mario Hüttel	37a561115a	fix: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed	2018-05-24 00:36:55 +02:00
Mario Hüttel	1ffe677804	Fix 2nd segfault	2018-05-24 00:23:39 +02:00
Mario Hüttel	2c3c7a9a80	fix Segfault	2018-05-24 00:15:39 +02:00
Mario Hüttel	da34256b83	Remove lonely 'Foo'	2018-05-23 14:22:02 +02:00
Mario Hüttel	93b726a05f	TeX output works * A lot is missing (paths...) * Dimension limit of TeX is a problem.	2018-05-23 13:17:10 +02:00
Mario Hüttel	6c24cebaf7	Drag and drop layer arrangement. Major Feature	2018-05-23 01:03:16 +02:00
Mario Hüttel	084c6999c7	Add option to specify layer order, wrote tex output for layer order	2018-05-22 18:45:23 +02:00
Mario Hüttel	a261f61c5c	fix commit	2018-05-22 16:18:28 +02:00
Mario Hüttel	29f66951d1	Completely restructudred code * Subfolders for different modules * LaTeX output module started * Convert button sensitivity impemented	2018-05-22 16:17:14 +02:00
Mario Hüttel	9a6aee1410	Make only Cells selectable	2018-05-22 13:00:50 +02:00
Mario Hüttel	4987459337	restructured code	2018-05-22 12:59:28 +02:00
Mario Hüttel	1db0ac1d17	Optimized Layout in Header Bar	2018-05-22 12:47:44 +02:00
Mario Hüttel	35d10a5a24	Custom Library/Cell Renderer for tree view This allows direct storing of library/cell structures instead of only names	2018-05-22 00:00:19 +02:00
Mario Hüttel	46cc20e878	Colorized Save/Load Layer mapping buttons	2018-05-19 20:37:09 +02:00
Mario Hüttel	17b5848335	Implement Date/Time Field Support. Change Text Color for cell names	2018-05-19 20:26:33 +02:00
Mario Hüttel	f47c2e52ff	Merge branch 'master' of git.shimatta.de:mhu/gds-render	2018-05-19 18:31:34 +02:00
Mario Hüttel	dc748504ad	edited for Gnome builder	2018-05-19 18:31:18 +02:00