bf0ac711fd
Increase effective resolution of blend preview images from 128x128 to 256x256 for versions saved in the file system thumbnail cache. See D10491 for details and examples. Differential Revision: https://developer.blender.org/D10491 Reviewed by Campbell Barton
100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2007 Blender Foundation
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* All rights reserved.
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*/
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/** \file
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* \ingroup imbuf
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ImBuf;
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/**
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* Thumbnail creation and retrieval according to the 'Thumbnail Management Standard'
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* supported by Gimp, Gnome (Nautilus), KDE etc.
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* Reference: http://jens.triq.net/thumbnail-spec/index.html
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*/
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typedef enum ThumbSize {
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THB_NORMAL,
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THB_LARGE,
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THB_FAIL,
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} ThumbSize;
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typedef enum ThumbSource {
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THB_SOURCE_IMAGE,
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THB_SOURCE_MOVIE,
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THB_SOURCE_BLEND,
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THB_SOURCE_FONT,
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} ThumbSource;
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/* don't generate thumbs for images bigger than this (100mb) */
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#define THUMB_SIZE_MAX (100 * 1024 * 1024)
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#define PREVIEW_RENDER_DEFAULT_HEIGHT 128
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#define PREVIEW_RENDER_LARGE_HEIGHT 256
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/* Note this can also be used as versioning system,
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* to force refreshing all thumbnails if e.g. we change some thumb generating code or so.
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* Only used by fonts so far. */
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#define THUMB_DEFAULT_HASH "00000000000000000000000000000000"
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/* create thumbnail for file and returns new imbuf for thumbnail */
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struct ImBuf *IMB_thumb_create(const char *path,
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ThumbSize size,
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ThumbSource source,
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struct ImBuf *img);
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/* read thumbnail for file and returns new imbuf for thumbnail */
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struct ImBuf *IMB_thumb_read(const char *path, ThumbSize size);
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/* delete all thumbs for the file */
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void IMB_thumb_delete(const char *path, ThumbSize size);
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/* return the state of the thumb, needed to determine how to manage the thumb */
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struct ImBuf *IMB_thumb_manage(const char *path, ThumbSize size, ThumbSource source);
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/* create the necessary dirs to store the thumbnails */
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void IMB_thumb_makedirs(void);
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/* special function for loading a thumbnail embedded into a blend file */
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struct ImBuf *IMB_thumb_load_blend(const char *blen_path,
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const char *blen_group,
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const char *blen_id);
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/* special function for previewing fonts */
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struct ImBuf *IMB_thumb_load_font(const char *filename, unsigned int x, unsigned int y);
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bool IMB_thumb_load_font_get_hash(char *r_hash);
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void IMB_thumb_clear_translations(void);
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void IMB_thumb_ensure_translations(void);
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/* Threading */
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void IMB_thumb_locks_acquire(void);
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void IMB_thumb_locks_release(void);
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void IMB_thumb_path_lock(const char *path);
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void IMB_thumb_path_unlock(const char *path);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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