Add license

CMakeLists.txt

@@ -2,22 +2,23 @@ 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} ${GTK3_INCLUDE_DIRS})
-link_directories(${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" LAYER_SOURCES)
+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)
-set(SOURCE "main.c" "layer-selector.c")
-
+aux_source_directory("cairo-output" CAIRO_SOURCES)
+set(SOURCE "main.c" "layer-selector.c" "main-window.c")
 
 set(SOURCE
   ${SOURCE}
@@ -25,11 +26,13 @@ set(SOURCE
   ${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)
 

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");
+}

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__ */

gds-parser/gds-parser.c

@@ -33,6 +33,7 @@
 #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__)
@@ -59,6 +60,7 @@ enum record {
 	BOX = 0x2D00,
 	LAYER = 0x0D02,
 	WIDTH = 0x0F03,
+	PATHTYPE = 0x2102
 };
 
 static int name_cell_ref(struct gds_cell_instance *cell_inst,
@@ -189,7 +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;
 
@@ -300,7 +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;
@@ -326,7 +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;
 
@@ -337,7 +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;
 
@@ -345,8 +348,11 @@ void scan_library_references(gpointer library_list_item, gpointer user)
 	g_list_foreach(lib->cells, scan_cell_reference_dependencies, lib);
 }
 
-void gds_parse_date(const char *buffer, int length, struct gds_time_field *mod_date, struct gds_time_field *access_date)
+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;
@@ -357,37 +363,28 @@ void gds_parse_date(const char *buffer, int length, struct gds_time_field *mod_d
 		return;
 	}
 
-	mod_date->year = gds_convert_unsigend_int16(buffer);
+	for (temp_date = mod_date; 1; temp_date = access_date) {
+		temp_date->year = gds_convert_unsigend_int16(buffer);
 		buffer += 2;
-	mod_date->month = gds_convert_unsigend_int16(buffer);
+		temp_date->month = gds_convert_unsigend_int16(buffer);
 		buffer += 2;
-	mod_date->day = gds_convert_unsigend_int16(buffer);
+		temp_date->day = gds_convert_unsigend_int16(buffer);
 		buffer += 2;
-	mod_date->hour = gds_convert_unsigend_int16(buffer);
+		temp_date->hour = gds_convert_unsigend_int16(buffer);
 		buffer += 2;
-	mod_date->minute = gds_convert_unsigend_int16(buffer);
+		temp_date->minute = gds_convert_unsigend_int16(buffer);
 		buffer += 2;
-	mod_date->second = gds_convert_unsigend_int16(buffer);
+		temp_date->second = gds_convert_unsigend_int16(buffer);
 		buffer += 2;
 
-	access_date->year = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->month = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->day = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->hour = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->minute = gds_convert_unsigend_int16(buffer);
-	buffer += 2;
-	access_date->second = gds_convert_unsigend_int16(buffer);
-
-
+		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;
@@ -404,8 +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;
@@ -428,8 +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: */
@@ -452,8 +454,7 @@ 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) {
@@ -507,21 +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) {
@@ -557,7 +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) {
@@ -575,6 +577,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			}
 
 			break;
+
 		case MAG:
 			break;
 		case ANGLE:
@@ -583,6 +586,8 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			break;
 		case WIDTH:
 			break;
+		case PATHTYPE:
+			break;
 		default:
 			//GDS_WARN("Record: %04x, len: %u", (unsigned int)rec_type, (unsigned int)rec_data_length);
 			break;
@@ -595,12 +600,26 @@ 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);
@@ -688,6 +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;
 
 		}
 
@@ -696,10 +727,18 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 	fclose(gds_file);
 
 
+	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;
 }
 

gds-parser/gds-types.h

@@ -5,8 +5,16 @@
 #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};
+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;
@@ -17,15 +25,10 @@ struct gds_time_field {
 	uint16_t second;
 };
 
-struct gds_point {
-                int x;
-                int y;
-};
-
 struct gds_graphics {
-                enum graphics_type type;
+	enum graphics_type gfx_type;
 	GList *vertices;
-                unsigned int path_width;
+	enum path_type path_render_type;
 	int width_absolute;
 	int16_t layer;
 	uint16_t datatype;

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 

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>

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>

glade/main.glade

@@ -4,9 +4,7 @@
   <requires lib="gtk+" version="3.20"/>
   <object class="GtkWindow" id="main-window">
     <property name="height_request">250</property>
-    <property name="visible">True</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>
@@ -36,7 +34,7 @@
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
             <style>
-              <class name="destructive-action"/>
+              <class name="suggested-action"/>
             </style>
           </object>
           <packing>

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>
 

latex-output/latex-output.c

@@ -18,6 +18,7 @@
  */
 
 #include "latex-output.h"
+#include <math.h>
 
 #define WRITEOUT_BUFFER(buff) fwrite((buff)->str, sizeof(char), (buff)->len, tex_file)
 
@@ -70,7 +71,8 @@ static gboolean write_layer_env(FILE *tex_file, GdkRGBA *color, int layer, GList
 			color->red = inf->color.red;
 			color->green = inf->color.green;
 			color->blue = inf->color.blue;
-			g_string_printf(buffer, "\\begin{pgfonlayer}{l%d}\n\\begin{scope}[ocg={ref=%d, status=visible,name=%d}]\n", layer, layer, layer);
+			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;
 		}
@@ -79,38 +81,63 @@ static gboolean write_layer_env(FILE *tex_file, GdkRGBA *color, int layer, GList
 }
 
 
-static void generate_graphics(FILE *tex_file, GList *graphics, GList *linfo, GString *buffer)
+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;
-	int width;
-	gchar *red, *green, *blue, *opacity;
+	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->type == GRAPHIC_POLYGON) {
-
-
+			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)/1000.0, ((double)pt->y)/1000.0);
+					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;
 				}
 
-			g_string_printf(buffer, "\\end{scope}\n\\end{pgfonlayer}\n");
+				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);
 		}
 
@@ -118,30 +145,39 @@ static void generate_graphics(FILE *tex_file, GList *graphics, GList *linfo, GSt
 }
 
 
-static void render_cell(struct gds_cell *cell, GList *layer_infos, FILE *tex_file, GString *buffer)
+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);
+	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)}, rotate=%lf]\n",
-				((double)inst->origin.x)/1000.0,((double)inst->origin.y)/1000.0,
-				inst->angle);
+		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}[xscale=%s]\n",
-				(inst->flipped ? "-1" : "1"));
+		g_string_printf(buffer, "\\begin{scope}[rotate=%lf]\n", inst->angle);
 		WRITEOUT_BUFFER(buffer);
 
-		if (inst->cell_ref)
-			render_cell(inst->cell_ref, layer_infos, tex_file, 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);
@@ -152,7 +188,8 @@ static void render_cell(struct gds_cell *cell, GList *layer_infos, FILE *tex_fil
 
 }
 
-void render_cell_to_code(struct gds_cell *cell, GList *layer_infos, FILE *tex_file)
+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;
 
@@ -163,6 +200,20 @@ void render_cell_to_code(struct gds_cell *cell, GList *layer_infos, FILE *tex_fi
 	/* 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);
 
@@ -171,12 +222,19 @@ void render_cell_to_code(struct gds_cell *cell, GList *layer_infos, FILE *tex_fi
 	WRITEOUT_BUFFER(working_line);
 
 	/* Generate graphics output */
-	render_cell(cell, layer_infos, tex_file, working_line);
+	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);
 }

latex-output/latex-output.h

@@ -27,6 +27,7 @@
 
 #define LATEX_LINE_BUFFER_KB (10)
 
-void render_cell_to_code(struct gds_cell *cell, GList *layer_infos, FILE *tex_file);
+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__ */

layer-selector.c

@@ -19,22 +19,16 @@
 
 #include "layer-selector.h"
 #include "gds-parser/gds-parser.h"
-#include "layer-widget/layer-element.h"
+#include "widgets/layer-element.h"
 #include <glib.h>
 #include <string.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 static GtkWidget *global_load_button;
 static GtkWidget *global_save_button;
 static GtkListBox *global_list_box;
 
-static void delete_layer_widget(GtkWidget *widget)
-{
-
-	gtk_widget_destroy(widget);
-}
-
-
 void delete_layer_info_struct(struct layer_info *info)
 {
 	if (info)
@@ -67,6 +61,7 @@ GList *export_rendered_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);
@@ -269,7 +264,6 @@ static void load_layer_mapping_from_file(gchar *file_name)
 	char *name;
 	gboolean export;
 	int layer;
-	int target_layer;
 	GdkRGBA color;
 	int result;
 	GList *rows;
@@ -293,15 +287,13 @@ static void load_layer_mapping_from_file(gchar *file_name)
 		gtk_container_remove(GTK_CONTAINER(global_list_box), GTK_WIDGET(le));
 	}
 
-	target_layer = 0;
-
 	while((result = load_csv_line(dstream, &export, &name, &layer, &color)) >= 0) {
 		/* skip broken line */
 		if (result == 1)
 			continue;
 
 		/* Add rows in the same order as in file */
-		if (le = find_layer_element_in_list(rows, layer)) {
+		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-selector.h

@@ -26,6 +26,7 @@
 struct layer_info
 {
 	int layer;
+	char *name;
 	int stacked_position; ///< Lower is bottom, higher is top
 	GdkRGBA color;
 };

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);
+}

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_ */

main.c

@@ -18,257 +18,85 @@
  */
 
 #include <stdio.h>
-#include "gds-parser/gds-parser.h"
 #include <gtk/gtk.h>
-#include "layer-widget/layer-element.h"
-#include "layer-selector.h"
-#include "tree-renderer/tree-store.h"
-#include "latex-output/latex-output.h"
+#include "main-window.h"
 
-struct open_button_data {
-	GtkWindow *main_window;
-	GList **list_ptr;
-	GtkTreeStore *cell_store;
-	GtkListBox *layer_box;
-};
-
-struct convert_button_data {
-	GtkTreeView *tree_view;
+struct application_data {
+	GtkApplication *app;
 	GtkWindow *main_window;
 };
 
-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));
 }
 
-static GString *generate_string_from_date(struct gds_time_field *date)
+static void app_about(GSimpleAction *action, GVariant *parameter, gpointer user_data)
 {
-	GString *str;
+	GtkBuilder *builder;
+	GtkDialog *dialog;
+	struct application_data *appdata = (struct application_data *)user_data;
 
-	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;
-}
+	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);
 
-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)
-{
-	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 *tex_file;
-	GtkWidget *dialog;
-	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();
-
-	/* save file dialog */
-	dialog = gtk_file_chooser_dialog_new("Save TeX File", GTK_WINDOW(data->main_window), GTK_FILE_CHOOSER_ACTION_SAVE,
-					     "Cancel", GTK_RESPONSE_CANCEL, "Save", GTK_RESPONSE_ACCEPT, NULL);
-	res = gtk_dialog_run(GTK_DIALOG(dialog));
-	if (res == GTK_RESPONSE_ACCEPT) {
-		file_name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
-		tex_file = fopen(file_name, "w");
-		g_free(file_name);
-		gtk_widget_destroy(dialog);
-		render_cell_to_code(cell_to_render, layer_list, tex_file);
-		fclose(tex_file);
-	} else {
 	gtk_widget_destroy(dialog);
+	g_object_unref(builder);
 }
 
-	g_list_free_full(layer_list, (GDestroyNotify)delete_layer_info_struct);
-}
+const GActionEntry app_actions[] = {
+	{ "quit", app_quit },
+	{ "about", app_about }
+};
 
-/* 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)
+static void gapp_activate(GApplication *app, gpointer user_data)
 {
-	GtkTreeModel *model = NULL;
-	GtkTreeIter iter;
+	GtkWindow *main_window;
+	struct application_data *appdata = (struct application_data *)user_data;
 
-	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);
-	}
+	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 *conv_button;
-	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;
-	struct convert_button_data conv_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 */
-	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);
-
-	gtk_main();
-
-	return 0;
+	return app_status;
 }

test-data/.gitignore

@@ -1,2 +1,2 @@
-layout.tex
-toplevel.pdf
+*.log
+*.aux

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

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

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

tree-renderer/tree-store.c

@@ -8,10 +8,8 @@ static gboolean tree_sel_func(GtkTreeSelection *selection,
 				gboolean path_currently_selected,
 				gpointer data)
 {
-	static int cnt = 0;
 	GtkTreeIter iter;
 	struct gds_cell *cell;
-	gchar *p;
 
 	gtk_tree_model_get_iter(model, &iter, path);
 	gtk_tree_model_get(model, &iter, CELL_SEL_CELL, &cell, -1);

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;
+	}
+}

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__ */

widgets/layer-element.h

@@ -38,12 +38,12 @@ typedef struct _LayerElementPriv {
 	GtkCheckButton *export;
 } LayerElementPriv;
 
-typedef struct _LayerElement {
+struct _LayerElement {
 	/* Inheritance */
 	GtkListBoxRow parent;
 	/* Custom Elements */
 	LayerElementPriv priv;
-} LayerElement;
+};
 
 GtkWidget *layer_element_new(void);