Differential D12312 Diff 41074 source/blender/imbuf/intern/thumbs_blend.c

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source/blender/imbuf/intern/thumbs_blend.c

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	#include "DNA_ID.h" /* For preview images... */			#include "DNA_ID.h" /* For preview images... */

	#include "IMB_imbuf.h"			#include "IMB_imbuf.h"
	#include "IMB_imbuf_types.h"			#include "IMB_imbuf_types.h"
	#include "IMB_thumbs.h"			#include "IMB_thumbs.h"

	#include "MEM_guardedalloc.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,			static ImBuf imb_thumb_load_from_blend_id(const char blen_path,
	const char *blen_group,			const char *blen_group,
	const char *blen_id)			const char *blen_id)
	{			{
	ImBuf *ima = NULL;			ImBuf *ima = NULL;
	LinkNode ln, names, lp, previews = NULL;
	BlendFileReadReport bf_reports = {.reports = NULL};			BlendFileReadReport bf_reports = {.reports = NULL};
	struct BlendHandle *libfiledata = BLO_blendhandle_from_file(blen_path, &bf_reports);
	int idcode = BKE_idtype_idcode_from_name(blen_group);
	int i, nprevs, nnames;

				struct BlendHandle *libfiledata = BLO_blendhandle_from_file(blen_path, &bf_reports);
	if (libfiledata == NULL) {			if (libfiledata == NULL) {
	return NULL;			return NULL;
	}			}

	/* NOTE: we should handle all previews for a same group at once, would avoid reopening			int idcode = BKE_idtype_idcode_from_name(blen_group);
	* `.blend` file for each and every ID. However, this adds some complexity,			PreviewImage *preview = BLO_blendhandle_get_preview(libfiledata, idcode, blen_id);
	* so keep it for later. */
	names = BLO_blendhandle_get_datablock_names(libfiledata, idcode, false, &nnames);
	previews = BLO_blendhandle_get_previews(libfiledata, idcode, &nprevs);

	BLO_blendhandle_close(libfiledata);			BLO_blendhandle_close(libfiledata);

	if (!previews \|\| (nnames != nprevs)) {			if (preview) {
	if (previews != 0) {			ima = BKE_previewimg_to_imbuf(preview, ICON_SIZE_PREVIEW);
	/* No previews at all is not a bug! */			BKE_previewimg_freefunc(preview);
	printf("%s: error, found %d items, %d previews\n", __func__, nnames, nprevs);
	}
	BLI_linklist_free(previews, BKE_previewimg_freefunc);
	BLI_linklist_freeN(names);
	return NULL;
	}			}

	for (i = 0, ln = names, lp = previews; i < nnames; i++, ln = ln->next, lp = lp->next) {
	const char *blockname = ln->link;
	PreviewImage *img = lp->link;

	if (STREQ(blockname, blen_id)) {
	if (img) {
	ima = BKE_previewimg_to_imbuf(img, ICON_SIZE_PREVIEW);
	}
	break;
	}
	}

	BLI_linklist_free(previews, BKE_previewimg_freefunc);
	BLI_linklist_freeN(names);
	return ima;			return ima;
	}			}

	static ImBuf imb_thumb_load_from_blendfile(const char blen_path)			static ImBuf imb_thumb_load_from_blendfile(const char blen_path)
	{			{
	BlendThumbnail *data = BLO_thumbnail_from_file(blen_path);			BlendThumbnail *data = BLO_thumbnail_from_file(blen_path);
	ImBuf *ima = BKE_main_thumbnail_to_imbuf(NULL, data);			ImBuf *ima = BKE_main_thumbnail_to_imbuf(NULL, data);

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