dev_geometry.h

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/*
    This file is part of Ansel.
    Copyright (C) 2026 Aurélien Pierre.
 
    Ansel is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Ansel 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 Ansel.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef DT_DEVELOP_DEV_GEOMETRY_H
#define DT_DEVELOP_DEV_GEOMETRY_H
 
#include <glib.h>
#include <stdint.h>
 
#include "system/atomic.h"
 
struct dt_develop_t;
 
typedef struct dt_dev_image_geometry_t
{
  int32_t raw_width, raw_height;
 
  int32_t processed_width, processed_height;
 
  gboolean raw_inited;
 
  gboolean processed_inited;
} dt_dev_image_geometry_t;
 
typedef struct dt_dev_geometry_store_t
{
  dt_atomic_uint64 generation;
  dt_dev_image_geometry_t value;
} dt_dev_geometry_store_t;
 
void dt_dev_geometry_init(struct dt_develop_t *dev);
 
void dt_dev_geometry_set_raw_size(struct dt_develop_t *dev, int32_t width, int32_t height,
                                  gboolean valid);
 
void dt_dev_geometry_set_processed_size(struct dt_develop_t *dev, int32_t width, int32_t height);
 
dt_dev_image_geometry_t dt_dev_geometry_snapshot(const struct dt_develop_t *dev);
 
gboolean dt_dev_geometry_get(const struct dt_develop_t *dev, dt_dev_image_geometry_t *out);
 
gboolean dt_dev_geometry_get_raw_size(const struct dt_develop_t *dev, int32_t *width,
                                      int32_t *height);
 
gboolean dt_dev_geometry_get_processed_size(const struct dt_develop_t *dev, int32_t *width,
                                            int32_t *height);
 
/* Single-field readers, each a coherent read of the whole record returning one member.
 * Use the pair getters above wherever the two are consumed as one geometric fact -- these
 * exist for the many sites that genuinely want one number, and for a mechanical migration
 * off the old struct members that cannot silently change what a site reads. */
int32_t dt_dev_geometry_raw_width(const struct dt_develop_t *dev);
int32_t dt_dev_geometry_raw_height(const struct dt_develop_t *dev);
int32_t dt_dev_geometry_processed_width(const struct dt_develop_t *dev);
int32_t dt_dev_geometry_processed_height(const struct dt_develop_t *dev);
gboolean dt_dev_geometry_raw_inited(const struct dt_develop_t *dev);
 
#endif // DT_DEVELOP_DEV_GEOMETRY_H
 
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