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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2007 Blender Foundation. All rights reserved. */
/** \file
* \ingroup imbuf
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
struct ImBuf;
/**
* Thumbnail creation and retrieval according to the 'Thumbnail Management Standard'
* supported by Gimp, Gnome (Nautilus), KDE etc.
* Reference: http://jens.triq.net/thumbnail-spec/index.html
*/
typedef enum ThumbSize {
THB_NORMAL,
THB_LARGE,
THB_FAIL,
} ThumbSize;
typedef enum ThumbSource {
THB_SOURCE_IMAGE,
THB_SOURCE_MOVIE,
THB_SOURCE_BLEND,
THB_SOURCE_FONT,
} ThumbSource;
/**
* Don't generate thumbs for images bigger than this (100mb).
*/
#define THUMB_SIZE_MAX (100 * 1024 * 1024)
#define PREVIEW_RENDER_DEFAULT_HEIGHT 128
#define PREVIEW_RENDER_LARGE_HEIGHT 256
/**
* Note this can also be used as versioning system,
* to force refreshing all thumbnails if e.g. we change some thumb generating code or so.
* Only used by fonts so far.
*/
#define THUMB_DEFAULT_HASH "00000000000000000000000000000000"
/**
* Create thumbnail for file and returns new imbuf for thumbnail.
*/
struct ImBuf *IMB_thumb_create(const char *filepath,
ThumbSize size,
ThumbSource source,
struct ImBuf *img);
/**
* Read thumbnail for file and returns new imbuf for thumbnail.
*/
struct ImBuf *IMB_thumb_read(const char *filepath, ThumbSize size);
/**
* Delete all thumbs for the file.
*/
void IMB_thumb_delete(const char *filepath, ThumbSize size);
/**
* Create the thumb if necessary and manage failed and old thumbs.
*/
struct ImBuf *IMB_thumb_manage(const char *filepath, ThumbSize size, ThumbSource source);
/**
* Create the necessary directories to store the thumbnails.
*/
void IMB_thumb_makedirs(void);
/**
* Special function for loading a thumbnail embedded into a blend file.
*/
struct ImBuf *IMB_thumb_load_blend(const char *blen_path,
const char *blen_group,
const char *blen_id);
/**
* Special function for previewing fonts.
*/
struct ImBuf *IMB_thumb_load_font(const char *filepath, unsigned int x, unsigned int y);
bool IMB_thumb_load_font_get_hash(char *r_hash);
void IMB_thumb_clear_translations(void);
void IMB_thumb_ensure_translations(void);
/* Threading */
void IMB_thumb_locks_acquire(void);
void IMB_thumb_locks_release(void);
void IMB_thumb_path_lock(const char *path);
void IMB_thumb_path_unlock(const char *path);
#ifdef __cplusplus
}
#endif /* __cplusplus */
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