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9065bf8622
The last C-file in core. Yippie. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef PICTURE_H
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#define PICTURE_H
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// picture (more precisely media) related strutures and functions
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#include "units.h"
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#include <stddef.h> // For NULL
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct dive;
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struct picture {
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char *filename = nullptr;
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offset_t offset = { 0 };
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location_t location = { { 0 }, { 0 } };
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};
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/* loop through all pictures of a dive */
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#define FOR_EACH_PICTURE(_dive) \
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if ((_dive) && (_dive)->pictures.nr) \
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for (struct picture *picture = (_dive)->pictures.pictures; \
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picture < (_dive)->pictures.pictures + (_dive)->pictures.nr; \
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picture++)
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/* Table of pictures. Attention: this stores pictures,
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* *not* pointers to pictures. This has two crucial consequences:
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* 1) Pointers to pictures are not stable. They may be
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* invalidated if the table is reallocated.
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* 2) add_to_picture_table(), etc. take ownership of the
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* picture. Notably of the filename. */
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struct picture_table {
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int nr, allocated;
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struct picture *pictures;
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};
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/* picture table functions */
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extern void clear_picture_table(struct picture_table *);
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extern void add_to_picture_table(struct picture_table *, int idx, struct picture pic);
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extern void copy_pictures(const struct picture_table *s, struct picture_table *d);
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extern void add_picture(struct picture_table *, struct picture newpic);
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extern void remove_from_picture_table(struct picture_table *, int idx);
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extern int get_picture_idx(const struct picture_table *, const char *filename); /* Return -1 if not found */
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extern void sort_picture_table(struct picture_table *);
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extern struct picture *create_picture(const char *filename, timestamp_t shift_time, bool match_all, struct dive **dive);
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extern bool picture_check_valid_time(timestamp_t timestamp, timestamp_t shift_time);
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#ifdef __cplusplus
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}
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#endif
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#endif // PICTURE_H
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