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fix(bmp): fix with LV_COLOR_16_SWAP (#3412)

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* Update lv_bmp.c

fix bug. When the bmp is 16 bit depth, the picture is not displayed properly due to no swap bytes

* Update lv_bmp.c

* Update lv_bmp.c

* format

* using unsigned int
This commit is contained in:
张杨
2022-06-14 18:23:04 +08:00
committed by GitHub
parent 1e40fa88a4
commit 22627c47ce
1 changed files with 8 additions and 1 deletions
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9
src/extra/libs/bmp/lv_bmp.c
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@@ -203,7 +203,14 @@ static lv_res_t decoder_read_line(lv_img_decoder_t * decoder, lv_img_decoder_dsc
lv_fs_seek(&b->f, p, LV_FS_SEEK_SET);
lv_fs_read(&b->f, buf, len * (b->bpp / 8), NULL);
#if LV_COLOR_DEPTH == 32
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP == 1
for(unsigned int i = 0; i < len * (b->bpp / 8); i += 2) {
buf[i] = buf[i] ^ buf[i + 1];
buf[i + 1] = buf[i] ^ buf[i + 1];
buf[i] = buf[i] ^ buf[i + 1];
}
#elif LV_COLOR_DEPTH == 32
if(b->bpp == 32) {
lv_coord_t i;
for(i = 0; i < len; i++) {