TeX output works

* A lot is missing (paths...)
* Dimension limit of TeX is a problem.

gds-parser/gds-parser.c

@@ -58,6 +58,7 @@ enum record {
 	STRANS = 0x1A01,
 	BOX = 0x2D00,
 	LAYER = 0x0D02,
+	WIDTH = 0x0F03,
 };
 
 static int name_cell_ref(struct gds_cell_instance *cell_inst,
@@ -580,6 +581,8 @@ int parse_gds_from_file(const char *filename, GList **library_list)
 			break;
 		case STRANS:
 			break;
+		case WIDTH:
+			break;
 		default:
 			//GDS_WARN("Record: %04x, len: %u", (unsigned int)rec_type, (unsigned int)rec_data_length);
 			break;
@@ -640,6 +643,12 @@ 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!");

latex-output/latex-output.c

@@ -29,7 +29,9 @@ static void write_layer_definitions(FILE *tex_file, GList *layer_infos, GString
 
 	for (list = layer_infos; list != NULL; list = list->next) {
 		lifo = (struct layer_info *)list->data;
-		g_string_printf(buffer, "\\pgfdeclarelayer{l%d}\n", lifo->layer);
+		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);
 	}
 
@@ -49,31 +51,118 @@ static void write_layer_definitions(FILE *tex_file, GList *layer_infos, GString
 	fwrite("\n", sizeof(char), 1, tex_file);
 }
 
-static int sorting_func_stack(struct layer_info *info1, struct layer_info *info2)
+/**
+ * @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)
 {
-	return info1->stacked_position - info2->stacked_position;
+	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", layer);
+			WRITEOUT_BUFFER(buffer);
+			return TRUE;
+		}
+	}
+	return FALSE;
 }
 
-static void sort_layers_for_rendering(GList **layer_infos)
+
+static void generate_graphics(FILE *tex_file, GList *graphics, GList *linfo, GString *buffer)
 {
-	GList *list = *layer_infos;
-	list = g_list_sort(list, (GCompareFunc)sorting_func_stack);
-	*layer_infos = list;
+	GList *temp;
+	GList *temp_vertex;
+	struct gds_graphics *gfx;
+	struct gds_point *pt;
+	GdkRGBA color;
+	int width;
+	gchar *red, *green, *blue, *opacity;
+
+	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) {
+
+
+				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);
+					WRITEOUT_BUFFER(buffer);
+				}
+				g_string_printf(buffer, "cycle;\n");
+				WRITEOUT_BUFFER(buffer);
+			}
+
+			g_string_printf(buffer, "\\end{pgfonlayer}\n");
+			WRITEOUT_BUFFER(buffer);
+		}
+
+	} /* For graphics */
+}
+
+
+static void render_cell(struct gds_cell *cell, GList *layer_infos, FILE *tex_file, GString *buffer)
+{
+
+	GList *list_child;
+	struct gds_cell_instance *inst;
+
+	/* Draw polygons of current cell */
+	generate_graphics(tex_file, cell->graphic_objs, layer_infos, buffer);
+
+	/* 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;
+		/* 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);
+		WRITEOUT_BUFFER(buffer);
+
+		g_string_printf(buffer, "\\begin{scope}[xscale=%s]\n",
+				(inst->flipped ? "-1" : "1"));
+		WRITEOUT_BUFFER(buffer);
+
+		if (inst->cell_ref)
+			render_cell(inst->cell_ref, layer_infos, tex_file, buffer);
+
+		g_string_printf(buffer, "\\end{scope}\n");
+		WRITEOUT_BUFFER(buffer);
+
+		g_string_printf(buffer, "\\end{scope}\n");
+		WRITEOUT_BUFFER(buffer);
+	}
+
 }
 
 void render_cell_to_code(struct gds_cell *cell, GList *layer_infos, FILE *tex_file)
 {
 	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);
 
-	/* Sort layer according to target layer */
-	sort_layers_for_rendering(&layer_infos);
-
 	/* Write layer definitions */
 	write_layer_definitions(tex_file, layer_infos, working_line);
 
@@ -82,7 +171,7 @@ 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);
 
 
 	g_string_printf(working_line, "\\end{tikzpicture}\n");

layer-selector.c

@@ -307,6 +307,7 @@ static void load_layer_mapping_from_file(gchar *file_name)
 			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));