88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
/** \file
|
|
* \ingroup imbuf
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "BLI_linklist.h"
|
|
#include "BLI_listbase.h" /* Needed due to import of BLO_readfile.h */
|
|
#include "BLI_utildefines.h"
|
|
|
|
#include "BLO_blend_defs.h"
|
|
#include "BLO_readfile.h"
|
|
|
|
#include "BKE_icons.h"
|
|
#include "BKE_idtype.h"
|
|
#include "BKE_main.h"
|
|
|
|
#include "DNA_ID.h" /* For preview images... */
|
|
|
|
#include "IMB_imbuf.h"
|
|
#include "IMB_imbuf_types.h"
|
|
#include "IMB_thumbs.h"
|
|
|
|
#include "MEM_guardedalloc.h"
|
|
|
|
/* NOTE: we should handle all previews for a same group at once, would avoid reopening
|
|
* `.blend` file for each and every ID. However, this adds some complexity,
|
|
* so keep it for later. */
|
|
static ImBuf *imb_thumb_load_from_blend_id(const char *blen_path,
|
|
const char *blen_group,
|
|
const char *blen_id)
|
|
{
|
|
ImBuf *ima = NULL;
|
|
BlendFileReadReport bf_reports = {.reports = NULL};
|
|
|
|
struct BlendHandle *libfiledata = BLO_blendhandle_from_file(blen_path, &bf_reports);
|
|
if (libfiledata == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
int idcode = BKE_idtype_idcode_from_name(blen_group);
|
|
PreviewImage *preview = BLO_blendhandle_get_preview_for_id(libfiledata, idcode, blen_id);
|
|
BLO_blendhandle_close(libfiledata);
|
|
|
|
if (preview) {
|
|
ima = BKE_previewimg_to_imbuf(preview, ICON_SIZE_PREVIEW);
|
|
BKE_previewimg_freefunc(preview);
|
|
}
|
|
return ima;
|
|
}
|
|
|
|
static ImBuf *imb_thumb_load_from_blendfile(const char *blen_path)
|
|
{
|
|
BlendThumbnail *data = BLO_thumbnail_from_file(blen_path);
|
|
ImBuf *ima = BKE_main_thumbnail_to_imbuf(NULL, data);
|
|
|
|
if (data) {
|
|
MEM_freeN(data);
|
|
}
|
|
return ima;
|
|
}
|
|
|
|
ImBuf *IMB_thumb_load_blend(const char *blen_path, const char *blen_group, const char *blen_id)
|
|
{
|
|
if (blen_group && blen_id) {
|
|
return imb_thumb_load_from_blend_id(blen_path, blen_group, blen_id);
|
|
}
|
|
return imb_thumb_load_from_blendfile(blen_path);
|
|
}
|