gds-render/gds-parser/gds-types.h

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/*
* 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 gds-types.h
* @brief Defines types and macros used by the GDS-Parser
* @author Mario Hüttel <mario.huettel@gmx.net>
*/
/**
* @addtogroup GDS-Utilities
* @{
*/
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#ifndef __GDS_TYPES_H__
#define __GDS_TYPES_H__
#include <stdint.h>
#include <glib.h>
#define CELL_NAME_MAX (100) /**< @brief Maximum length of a gds_cell::name or a gds_library::name */
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/* Maybe use the macros that ship with the compiler? */
#define MIN(a,b) (((a) < (b)) ? (a) : (b)) /**< @brief Return smaller number */
#define MAX(a,b) (((a) > (b)) ? (a) : (b)) /**< @brief Return bigger number */
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/** @brief Defintion of check counter default value
* that indicates that the corresponding check has not yet been executed */
enum {GDS_CELL_CHECK_NOT_RUN = -1};
/** @brief Types of graphic objects */
enum graphics_type
{
GRAPHIC_PATH = 0, /**< @brief Path. Esentially a line */
GRAPHIC_POLYGON = 1, /**< @brief An arbitrary polygon */
GRAPHIC_BOX = 2 /**< @brief A rectangle. @warning Implementation in renderers might be buggy!*/
};
/**
* @brief Defines the line caps of a path
*/
enum path_type {PATH_FLUSH = 0, PATH_ROUNDED = 1, PATH_SQUARED = 2}; /**< Path line caps */
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/**
* @brief A point in the 2D plane. Sometimes references as vertex
*/
struct gds_point {
int x;
int y;
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};
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/**
* @brief Stores the result of the cell checks.
*/
struct gds_cell_checks {
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int unresolved_child_count; /**< @brief Number of unresolved cell instances inside this cell. Default: GDS_CELL_CHECK_NOT_RUN */
int affected_by_reference_loop; /**< @brief 1 if the cell is affected by a reference loop and therefore not renderable. Default: GDS_CELL_CHECK_NOT_RUN*/
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/**
* @brief For the internal use of the checker.
* @warning Do not use this structure and its contents!
*/
struct _check_internals {
int marker;
} _internal;
};
/**
* @brief Date information for cells and libraries
*/
struct gds_time_field {
uint16_t year;
uint16_t month;
uint16_t day;
uint16_t hour;
uint16_t minute;
uint16_t second;
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};
/**
* @brief A GDS graphics object
*/
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struct gds_graphics {
enum graphics_type gfx_type; /**< \brief Type of graphic */
GList *vertices; /**< @brief List of #gds_point */
enum path_type path_render_type; /**< @brief Line cap */
int width_absolute; /**< @brief Width. Not used for objects other than paths */
int16_t layer; /**< @brief Layer the graphic object is on */
uint16_t datatype;
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};
/**
* @brief This represents an instanc of a cell inside another cell
*/
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struct gds_cell_instance {
char ref_name[CELL_NAME_MAX]; /**< @brief Name of referenced cell */
struct gds_cell *cell_ref; /**< @brief Referenced gds_cell structure */
struct gds_point origin; /**< @brief Origin */
int flipped; /**< @brief Mirrored on x-axis before rotation */
double angle; /**< @brief Angle of rotation (counter clockwise) in degrees */
double magnification; /**< @brief magnification */
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};
/**
* @brief A Cell inside a gds_library
*/
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struct gds_cell {
char name[CELL_NAME_MAX];
struct gds_time_field mod_time;
struct gds_time_field access_time;
GList *child_cells; /**< @brief List of #gds_cell_instance elements */
GList *graphic_objs; /**< @brief List of #gds_graphics */
struct gds_library *parent_library; /**< @brief Pointer to parent library */
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struct gds_cell_checks checks; /**< @brief Checking results */
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};
/**
* @brief GDS Toplevel library
*/
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struct gds_library {
char name[CELL_NAME_MAX];
struct gds_time_field mod_time;
struct gds_time_field access_time;
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double unit_in_meters; /**< Length of a database unit in meters */
GList *cells; /**< List of #gds_cell that contains all cells in this library*/
GList *cell_names /**< List of strings that contains all cell names */;
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};
/** @} */
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#endif /* __GDS_TYPES_H__ */