92         if(img_dsc->data == NULL) return LV_RES_INV;  in lv_img_decoder_get_info()
98         if(d->info_cb) {  in lv_img_decoder_get_info()
99             res = d->info_cb(d, src, header);  in lv_img_decoder_get_info()
115         if(img_dsc->data == NULL) return LV_RES_INV;  in lv_img_decoder_open()
118     dsc->color    = color;  in lv_img_decoder_open()
119     dsc->src_type = src_type;  in lv_img_decoder_open()
120     dsc->frame_id = frame_id;  in lv_img_decoder_open()
122     if(dsc->src_type == LV_IMG_SRC_FILE) {  in lv_img_decoder_open()
124         dsc->src = lv_mem_alloc(fnlen + 1);  in lv_img_decoder_open()
125         LV_ASSERT_MALLOC(dsc->src);  in lv_img_decoder_open()
126         if(dsc->src == NULL) {  in lv_img_decoder_open()
130         strcpy((char *)dsc->src, src);  in lv_img_decoder_open()
133         dsc->src = src;  in lv_img_decoder_open()
141         if(decoder->info_cb == NULL || decoder->open_cb == NULL) continue;  in lv_img_decoder_open()
143         res = decoder->info_cb(decoder, src, &dsc->header);  in lv_img_decoder_open()
146         dsc->decoder = decoder;  in lv_img_decoder_open()
147         res = decoder->open_cb(decoder, dsc);  in lv_img_decoder_open()
153         lv_memset_00(&dsc->header, sizeof(lv_img_header_t));  in lv_img_decoder_open()
155         dsc->error_msg = NULL;  in lv_img_decoder_open()
156         dsc->img_data  = NULL;  in lv_img_decoder_open()
157         dsc->user_data = NULL;  in lv_img_decoder_open()
158         dsc->time_to_open = 0;  in lv_img_decoder_open()
161     if(dsc->src_type == LV_IMG_SRC_FILE)  in lv_img_decoder_open()
162         lv_mem_free((void *)dsc->src);  in lv_img_decoder_open()
179 …if(dsc->decoder->read_line_cb) res = dsc->decoder->read_line_cb(dsc->decoder, dsc, x, y, len, buf);  in lv_img_decoder_read_line()
190     if(dsc->decoder) {  in lv_img_decoder_close()
191         if(dsc->decoder->close_cb) dsc->decoder->close_cb(dsc->decoder, dsc);  in lv_img_decoder_close()
193         if(dsc->src_type == LV_IMG_SRC_FILE) {  in lv_img_decoder_close()
194             lv_mem_free((void *)dsc->src);  in lv_img_decoder_close()
195             dsc->src = NULL;  in lv_img_decoder_close()
233     decoder->info_cb = info_cb;  in lv_img_decoder_set_info_cb()
243     decoder->open_cb = open_cb;  in lv_img_decoder_set_open_cb()
253     decoder->read_line_cb = read_line_cb;  in lv_img_decoder_set_read_line_cb()
263     decoder->close_cb = close_cb;  in lv_img_decoder_set_close_cb()
267  * Get info about a built-in image
279         lv_img_cf_t cf = ((lv_img_dsc_t *)src)->header.cf;  in lv_img_decoder_built_in_info()
282         header->w  = ((lv_img_dsc_t *)src)->header.w;  in lv_img_decoder_built_in_info()
283         header->h  = ((lv_img_dsc_t *)src)->header.h;  in lv_img_decoder_built_in_info()
284         header->cf = ((lv_img_dsc_t *)src)->header.cf;  in lv_img_decoder_built_in_info()
302         if(header->cf < CF_BUILT_IN_FIRST || header->cf > CF_BUILT_IN_LAST) return LV_RES_INV;  in lv_img_decoder_built_in_info()
307         header->w = 1;  in lv_img_decoder_built_in_info()
308         header->h = 1;  in lv_img_decoder_built_in_info()
311         header->cf = LV_IMG_CF_ALPHA_1BIT;  in lv_img_decoder_built_in_info()
329     if(dsc->src_type == LV_IMG_SRC_FILE) {  in lv_img_decoder_built_in_open()
331         if(strcmp(lv_fs_get_ext(dsc->src), "bin")) return LV_RES_INV;  in lv_img_decoder_built_in_open()
334         lv_fs_res_t res = lv_fs_open(&f, dsc->src, LV_FS_MODE_RD);  in lv_img_decoder_built_in_open()
336             LV_LOG_WARN("Built-in image decoder can't open the file");  in lv_img_decoder_built_in_open()
341         if(dsc->user_data == NULL) {  in lv_img_decoder_built_in_open()
342             dsc->user_data = lv_mem_alloc(sizeof(lv_img_decoder_built_in_data_t));  in lv_img_decoder_built_in_open()
343             LV_ASSERT_MALLOC(dsc->user_data);  in lv_img_decoder_built_in_open()
344             if(dsc->user_data == NULL) {  in lv_img_decoder_built_in_open()
349             lv_memset_00(dsc->user_data, sizeof(lv_img_decoder_built_in_data_t));  in lv_img_decoder_built_in_open()
352         lv_img_decoder_built_in_data_t * user_data = dsc->user_data;  in lv_img_decoder_built_in_open()
353         lv_memcpy_small(&user_data->f, &f, sizeof(f));  in lv_img_decoder_built_in_open()
355     else if(dsc->src_type == LV_IMG_SRC_VARIABLE) {  in lv_img_decoder_built_in_open()
357         if(((lv_img_dsc_t *)dsc->src)->data == NULL) {  in lv_img_decoder_built_in_open()
362     lv_img_cf_t cf = dsc->header.cf;  in lv_img_decoder_built_in_open()
365         if(dsc->src_type == LV_IMG_SRC_VARIABLE) {  in lv_img_decoder_built_in_open()
368             dsc->img_data = ((lv_img_dsc_t *)dsc->src)->data;  in lv_img_decoder_built_in_open()
373             uint32_t len = dsc->header.w * dsc->header.h;  in lv_img_decoder_built_in_open()
378             lv_img_decoder_built_in_data_t * user_data = dsc->user_data;  in lv_img_decoder_built_in_open()
379             lv_fs_seek(&user_data->f, 4, LV_FS_SEEK_SET); /*+4 to skip the header*/  in lv_img_decoder_built_in_open()
380             lv_fs_res_t res = lv_fs_read(&user_data->f, fs_buf, len, NULL);  in lv_img_decoder_built_in_open()
385             dsc->img_data = fs_buf;  in lv_img_decoder_built_in_open()
392         if(dsc->src_type == LV_IMG_SRC_VARIABLE) {  in lv_img_decoder_built_in_open()
395             dsc->img_data = ((lv_img_dsc_t *)dsc->src)->data;  in lv_img_decoder_built_in_open()
410         if(dsc->user_data == NULL) {  in lv_img_decoder_built_in_open()
411             dsc->user_data = lv_mem_alloc(sizeof(lv_img_decoder_built_in_data_t));  in lv_img_decoder_built_in_open()
412             LV_ASSERT_MALLOC(dsc->user_data);  in lv_img_decoder_built_in_open()
413             if(dsc->user_data == NULL) {  in lv_img_decoder_built_in_open()
417             lv_memset_00(dsc->user_data, sizeof(lv_img_decoder_built_in_data_t));  in lv_img_decoder_built_in_open()
420         lv_img_decoder_built_in_data_t * user_data = dsc->user_data;  in lv_img_decoder_built_in_open()
421 …      user_data->palette                         = lv_mem_alloc(palette_size * sizeof(lv_color_t));  in lv_img_decoder_built_in_open()
422         LV_ASSERT_MALLOC(user_data->palette);  in lv_img_decoder_built_in_open()
423         user_data->opa                             = lv_mem_alloc(palette_size * sizeof(lv_opa_t));  in lv_img_decoder_built_in_open()
424         LV_ASSERT_MALLOC(user_data->opa);  in lv_img_decoder_built_in_open()
425         if(user_data->palette == NULL || user_data->opa == NULL) {  in lv_img_decoder_built_in_open()
431         if(dsc->src_type == LV_IMG_SRC_FILE) {  in lv_img_decoder_built_in_open()
433             lv_fs_seek(&user_data->f, 4, LV_FS_SEEK_SET); /*Skip the header*/  in lv_img_decoder_built_in_open()
437                 lv_fs_read(&user_data->f, &cur_color, sizeof(lv_color32_t), NULL);  in lv_img_decoder_built_in_open()
438 …    user_data->palette[i] = lv_color_make(cur_color.ch.red, cur_color.ch.green, cur_color.ch.blue);  in lv_img_decoder_built_in_open()
439                 user_data->opa[i]     = cur_color.ch.alpha;  in lv_img_decoder_built_in_open()
444             lv_color32_t * palette_p = (lv_color32_t *)((lv_img_dsc_t *)dsc->src)->data;  in lv_img_decoder_built_in_open()
448 …user_data->palette[i] = lv_color_make(palette_p[i].ch.red, palette_p[i].ch.green, palette_p[i].ch.…  in lv_img_decoder_built_in_open()
449                 user_data->opa[i]     = palette_p[i].ch.alpha;  in lv_img_decoder_built_in_open()
487     if(dsc->header.cf == LV_IMG_CF_TRUE_COLOR || dsc->header.cf == LV_IMG_CF_TRUE_COLOR_ALPHA ||  in lv_img_decoder_built_in_read_line()
488        dsc->header.cf == LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED) {  in lv_img_decoder_built_in_read_line()
491         if(dsc->src_type == LV_IMG_SRC_FILE) {  in lv_img_decoder_built_in_read_line()
495     else if(dsc->header.cf == LV_IMG_CF_ALPHA_1BIT || dsc->header.cf == LV_IMG_CF_ALPHA_2BIT ||  in lv_img_decoder_built_in_read_line()
496             dsc->header.cf == LV_IMG_CF_ALPHA_4BIT || dsc->header.cf == LV_IMG_CF_ALPHA_8BIT) {  in lv_img_decoder_built_in_read_line()
499     else if(dsc->header.cf == LV_IMG_CF_INDEXED_1BIT || dsc->header.cf == LV_IMG_CF_INDEXED_2BIT ||  in lv_img_decoder_built_in_read_line()
500             dsc->header.cf == LV_IMG_CF_INDEXED_4BIT || dsc->header.cf == LV_IMG_CF_INDEXED_8BIT) {  in lv_img_decoder_built_in_read_line()
504         LV_LOG_WARN("Built-in image decoder read not supports the color format");  in lv_img_decoder_built_in_read_line()
520     lv_img_decoder_built_in_data_t * user_data = dsc->user_data;  in lv_img_decoder_built_in_close()
522         if(dsc->src_type == LV_IMG_SRC_FILE) {  in lv_img_decoder_built_in_close()
523             lv_fs_close(&user_data->f);  in lv_img_decoder_built_in_close()
525         if(user_data->palette) lv_mem_free(user_data->palette);  in lv_img_decoder_built_in_close()
526         if(user_data->opa) lv_mem_free(user_data->opa);  in lv_img_decoder_built_in_close()
529         dsc->user_data = NULL;  in lv_img_decoder_built_in_close()
540     lv_img_decoder_built_in_data_t * user_data = dsc->user_data;  in lv_img_decoder_built_in_line_true_color()
542     uint8_t px_size = lv_img_cf_get_px_size(dsc->header.cf);  in lv_img_decoder_built_in_line_true_color()
544     uint32_t pos = ((y * dsc->header.w + x) * px_size) >> 3;  in lv_img_decoder_built_in_line_true_color()
546     res = lv_fs_seek(&user_data->f, pos, LV_FS_SEEK_SET);  in lv_img_decoder_built_in_line_true_color()
548         LV_LOG_WARN("Built-in image decoder seek failed");  in lv_img_decoder_built_in_line_true_color()
553     res = lv_fs_read(&user_data->f, buf, btr, &br);  in lv_img_decoder_built_in_line_true_color()
555         LV_LOG_WARN("Built-in image decoder read failed");  in lv_img_decoder_built_in_line_true_color()
572     lv_color_t bg_color = dsc->color;  in lv_img_decoder_built_in_line_alpha()
589     uint8_t px_size            = lv_img_cf_get_px_size(dsc->header.cf);  in lv_img_decoder_built_in_line_alpha()
590     uint16_t mask              = (1 << px_size) - 1; /*E.g. px_size = 2; mask = 0x03*/  in lv_img_decoder_built_in_line_alpha()
592     lv_coord_t w = 0;  in lv_img_decoder_built_in_line_alpha()  local
595     switch(dsc->header.cf) {  in lv_img_decoder_built_in_line_alpha()
597             w = (dsc->header.w + 7) >> 3; /*E.g. w = 20 -> w = 2 + 1*/  in lv_img_decoder_built_in_line_alpha()
598             ofs += w * y + (x >> 3); /*First pixel*/  in lv_img_decoder_built_in_line_alpha()
599             pos = 7 - (x & 0x7);  in lv_img_decoder_built_in_line_alpha()
603             w = (dsc->header.w + 3) >> 2; /*E.g. w = 13 -> w = 3 + 1 (bytes)*/  in lv_img_decoder_built_in_line_alpha()
604             ofs += w * y + (x >> 2); /*First pixel*/  in lv_img_decoder_built_in_line_alpha()
605             pos = 6 - (x & 0x3) * 2;  in lv_img_decoder_built_in_line_alpha()
609             w = (dsc->header.w + 1) >> 1; /*E.g. w = 13 -> w = 6 + 1 (bytes)*/  in lv_img_decoder_built_in_line_alpha()
610             ofs += w * y + (x >> 1); /*First pixel*/  in lv_img_decoder_built_in_line_alpha()
611             pos = 4 - (x & 0x1) * 4;  in lv_img_decoder_built_in_line_alpha()
615             w = dsc->header.w; /*E.g. x = 7 -> w = 7 (bytes)*/  in lv_img_decoder_built_in_line_alpha()
616             ofs += w * y + x;  /*First pixel*/  in lv_img_decoder_built_in_line_alpha()
621     lv_img_decoder_built_in_data_t * user_data = dsc->user_data;  in lv_img_decoder_built_in_line_alpha()
622     uint8_t * fs_buf = lv_mem_buf_get(w);  in lv_img_decoder_built_in_line_alpha()
626     if(dsc->src_type == LV_IMG_SRC_VARIABLE) {  in lv_img_decoder_built_in_line_alpha()
627         const lv_img_dsc_t * img_dsc = dsc->src;  in lv_img_decoder_built_in_line_alpha()
629         data_tmp = img_dsc->data + ofs;  in lv_img_decoder_built_in_line_alpha()
632         lv_fs_seek(&user_data->f, ofs + 4, LV_FS_SEEK_SET); /*+4 to skip the header*/  in lv_img_decoder_built_in_line_alpha()
633         lv_fs_read(&user_data->f, fs_buf, w, NULL);  in lv_img_decoder_built_in_line_alpha()
640         buf[i * LV_IMG_PX_SIZE_ALPHA_BYTE + LV_IMG_PX_SIZE_ALPHA_BYTE - 1] =  in lv_img_decoder_built_in_line_alpha()
641             dsc->header.cf == LV_IMG_CF_ALPHA_8BIT ? val_act : opa_table[val_act];  in lv_img_decoder_built_in_line_alpha()
643         pos -= px_size;  in lv_img_decoder_built_in_line_alpha()
645             pos = 8 - px_size;  in lv_img_decoder_built_in_line_alpha()
656     uint8_t px_size = lv_img_cf_get_px_size(dsc->header.cf);  in lv_img_decoder_built_in_line_indexed()
657     uint16_t mask   = (1 << px_size) - 1; /*E.g. px_size = 2; mask = 0x03*/  in lv_img_decoder_built_in_line_indexed()
659     lv_coord_t w = 0;  in lv_img_decoder_built_in_line_indexed()  local
662     switch(dsc->header.cf) {  in lv_img_decoder_built_in_line_indexed()
664             w = (dsc->header.w + 7) >> 3; /*E.g. w = 20 -> w = 2 + 1*/  in lv_img_decoder_built_in_line_indexed()
665             ofs += w * y + (x >> 3); /*First pixel*/  in lv_img_decoder_built_in_line_indexed()
667             pos = 7 - (x & 0x7);  in lv_img_decoder_built_in_line_indexed()
670             w = (dsc->header.w + 3) >> 2; /*E.g. w = 13 -> w = 3 + 1 (bytes)*/  in lv_img_decoder_built_in_line_indexed()
671             ofs += w * y + (x >> 2); /*First pixel*/  in lv_img_decoder_built_in_line_indexed()
673             pos = 6 - (x & 0x3) * 2;  in lv_img_decoder_built_in_line_indexed()
676             w = (dsc->header.w + 1) >> 1; /*E.g. w = 13 -> w = 6 + 1 (bytes)*/  in lv_img_decoder_built_in_line_indexed()
677             ofs += w * y + (x >> 1); /*First pixel*/  in lv_img_decoder_built_in_line_indexed()
679             pos = 4 - (x & 0x1) * 4;  in lv_img_decoder_built_in_line_indexed()
682             w = dsc->header.w; /*E.g. x = 7 -> w = 7 (bytes)*/  in lv_img_decoder_built_in_line_indexed()
683             ofs += w * y + x;  /*First pixel*/  in lv_img_decoder_built_in_line_indexed()
689     lv_img_decoder_built_in_data_t * user_data = dsc->user_data;  in lv_img_decoder_built_in_line_indexed()
691     uint8_t * fs_buf = lv_mem_buf_get(w);  in lv_img_decoder_built_in_line_indexed()
694     if(dsc->src_type == LV_IMG_SRC_VARIABLE) {  in lv_img_decoder_built_in_line_indexed()
695         const lv_img_dsc_t * img_dsc = dsc->src;  in lv_img_decoder_built_in_line_indexed()
696         data_tmp                     = img_dsc->data + ofs;  in lv_img_decoder_built_in_line_indexed()
699         lv_fs_seek(&user_data->f, ofs + 4, LV_FS_SEEK_SET); /*+4 to skip the header*/  in lv_img_decoder_built_in_line_indexed()
700         lv_fs_read(&user_data->f, fs_buf, w, NULL);  in lv_img_decoder_built_in_line_indexed()
708         lv_color_t color = user_data->palette[val_act];  in lv_img_decoder_built_in_line_indexed()
720 …      buf[i * LV_IMG_PX_SIZE_ALPHA_BYTE + LV_IMG_PX_SIZE_ALPHA_BYTE - 1] = user_data->opa[val_act];  in lv_img_decoder_built_in_line_indexed()
722         pos -= px_size;  in lv_img_decoder_built_in_line_indexed()
724             pos = 8 - px_size;  in lv_img_decoder_built_in_line_indexed()