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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2007 Blender Foundation
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Andrea Weikert.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/imbuf/IMB_thumbs.h
* \ingroup imbuf
*/
#ifndef __IMB_THUMBS_H__
#define __IMB_THUMBS_H__
#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 then this (100mb) */
#define THUMB_SIZE_MAX (100 * 1024 * 1024)
#define PREVIEW_RENDER_DEFAULT_HEIGHT 128
/* Note this can also be used as versionning 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 */
ImBuf *IMB_thumb_create(const char *path, ThumbSize size, ThumbSource source, ImBuf *ibuf);
/* read thumbnail for file and returns new imbuf for thumbnail */
ImBuf *IMB_thumb_read(const char *path, ThumbSize size);
/* delete all thumbs for the file */
void IMB_thumb_delete(const char *path, ThumbSize size);
/* return the state of the thumb, needed to determine how to manage the thumb */
ImBuf *IMB_thumb_manage(const char *path, ThumbSize size, ThumbSource source);
/* create the necessary dirs to store the thumbnails */
void IMB_thumb_makedirs(void);
/* special function for loading a thumbnail embedded into a blend file */
ImBuf *IMB_thumb_load_blend(const char *blen_path, const char *blen_group, const char *blen_id);
void IMB_thumb_overlay_blend(unsigned int *thumb, int width, int height, float aspect);
/* special function for previewing fonts */
ImBuf *IMB_thumb_load_font(const char *filename, unsigned int x, unsigned int y);
bool IMB_thumb_load_font_get_hash(char *r_hash);
/* 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 */
#endif /* __IMB_THUMBS_H__ */
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