static void rna_ImagePreview_icon_reload(PreviewImage *prv) { /* will lazy load on next use, but only in case icon is not user-modified! */ if (!(prv->flag[ICON_SIZE_ICON] & PRV_USER_EDITED) && !(prv->flag[ICON_SIZE_PREVIEW] & PRV_USER_EDITED)) { BKE_previewimg_clear(prv); } }
/** * Generate a PreviewImage from given file path, using thumbnails management, if not yet existing. */ PreviewImage *BKE_previewimg_cached_thumbnail_read( const char *name, const char *path, const int source, bool force_update) { PreviewImage *prv = NULL; void **prv_p; prv_p = BLI_ghash_lookup_p(gCachedPreviews, name); if (prv_p) { prv = *prv_p; BLI_assert(prv); } if (prv && force_update) { const char *prv_deferred_data = PRV_DEFERRED_DATA(prv); if (((int)prv_deferred_data[0] == source) && STREQ(&prv_deferred_data[1], path)) { /* If same path, no need to re-allocate preview, just clear it up. */ BKE_previewimg_clear(prv); } else { BKE_previewimg_free(&prv); } } if (!prv) { /* We pack needed data for lazy loading (source type, in a single char, and path). */ const size_t deferred_data_size = strlen(path) + 2; char *deferred_data; prv = previewimg_create_ex(deferred_data_size); deferred_data = PRV_DEFERRED_DATA(prv); deferred_data[0] = source; memcpy(&deferred_data[1], path, deferred_data_size - 1); force_update = true; } if (force_update) { if (prv_p) { *prv_p = prv; } else { BLI_ghash_insert(gCachedPreviews, BLI_strdup(name), prv); } } return prv; }