Update include file hierarchy: Move include file to central include tree

2019-03-26 19:57:19 +01:00
parent 60e20f45cc
commit e8c7f78af4
41 changed files with 182 additions and 109 deletions
--- a/geometric/cell-geometrics.c
+++ b/geometric/cell-geometrics.c
@@ -0,0 +1,120 @@
+/*
+ * 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/>.
+ */
+
+/**
+ * @file cell-geometrics.c
+ * @brief Calculation of gds_cell trigonometrics
+ * @author Mario Hüttel <mario.huettel@gmx.net>
+ */
+
+#include <math.h>
+
+#include <gds-render/geometric/cell-geometrics.h>
+
+/**
+ * @addtogroup geometric
+ * @{
+ */
+
+static void convert_gds_point_to_2d_vector(struct gds_point *pt, struct vector_2d *vector)
+{
+	vector->x = pt->x;
+	vector->y = pt->y;
+}
+
+/**
+ * @brief Update the given bounding box with the bounding box of a graphics element.
+ * @param box box to update
+ * @param gfx Graphics element
+ */
+static void update_box_with_gfx(union bounding_box *box, struct gds_graphics *gfx)
+{
+	union bounding_box current_box;
+
+	bounding_box_prepare_empty(&current_box);
+
+	switch (gfx->gfx_type) {
+	case GRAPHIC_BOX:
+		/* Expected fallthrough */
+	case GRAPHIC_POLYGON:
+		bounding_box_calculate_polygon(gfx->vertices,
+							(conv_generic_to_vector_2d_t)&convert_gds_point_to_2d_vector,
+							&current_box);
+		break;
+	case GRAPHIC_PATH:
+		/*
+		 * This is not implemented correctly.
+		 * Please be aware if paths are the outmost elements of your cell.
+		 * You might end up with a completely wrong calculated cell size.
+		 */
+		bounding_box_calculate_path_box(gfx->vertices, gfx->width_absolute,
+							(conv_generic_to_vector_2d_t)&convert_gds_point_to_2d_vector,
+							&current_box);
+		break;
+	default:
+		/* Unknown graphics object. */
+		/* Print error? Nah.. */
+		break;
+	}
+
+	/* Update box with results */
+	bounding_box_update_box(box, &current_box);
+}
+
+void calculate_cell_bounding_box(union bounding_box *box, struct gds_cell *cell)
+{
+	GList *gfx_list;
+	struct gds_graphics *gfx;
+	GList *sub_cell_list;
+	struct gds_cell_instance *sub_cell;
+	union bounding_box temp_box;
+
+	if (!box || !cell)
+		return;
+
+	/* Update box with graphic elements */
+	for (gfx_list = cell->graphic_objs; gfx_list != NULL; gfx_list = gfx_list->next) {
+		gfx = (struct gds_graphics *)gfx_list->data;
+		update_box_with_gfx(box, gfx);
+	}
+
+	/* Update bounding box with boxes of subcells */
+	for (sub_cell_list = cell->child_cells; sub_cell_list != NULL;
+						sub_cell_list = sub_cell_list->next) {
+		sub_cell = (struct gds_cell_instance *)sub_cell_list->data;
+		bounding_box_prepare_empty(&temp_box);
+		/* Recursion Woohoo!!  This dies if your GDS is faulty and contains a reference loop */
+		calculate_cell_bounding_box(&temp_box, sub_cell->cell_ref);
+
+		/* Apply transformations */
+		bounding_box_apply_transform(ABS(sub_cell->magnification), sub_cell->angle,
+					     sub_cell->flipped, &temp_box);
+
+		/* Move bounding box to origin */
+		temp_box.vectors.lower_left.x += sub_cell->origin.x;
+		temp_box.vectors.upper_right.x += sub_cell->origin.x;
+		temp_box.vectors.lower_left.y += sub_cell->origin.y;
+		temp_box.vectors.upper_right.y += sub_cell->origin.y;
+
+		/* update the parent's box */
+		bounding_box_update_box(box, &temp_box);
+	}
+}
+
+/** @} */