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fix text opacity

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This commit is contained in:
Gabor Kiss-Vamosi
2018-03-09 14:13:51 +01:00
parent 5d53a9edaf
commit 213e621412
1 changed files with 7 additions and 1 deletions
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8
lv_draw/lv_draw_vbasic.c
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@@ -276,7 +276,13 @@ void lv_vletter(const lv_point_t * pos_p, const lv_area_t * mask_p,
for(col = col_start; col < col_end; col ++) {
letter_px = (*map_p & mask) >> (8 - col_bit - bpp);
if(letter_px != 0) {
*vdb_buf_tmp = lv_color_mix(color, *vdb_buf_tmp, bpp == 8 ? letter_px : bpp_opa_table[letter_px]);
if(opa == LV_OPA_COVER) {
*vdb_buf_tmp = lv_color_mix(color, *vdb_buf_tmp, bpp == 8 ? letter_px : bpp_opa_table[letter_px]);
} else {
*vdb_buf_tmp = lv_color_mix(color, *vdb_buf_tmp, bpp == 8 ?
(uint16_t)((uint16_t)letter_px * opa) >> 8 :
(uint16_t)((uint16_t)bpp_opa_table[letter_px] * opa) >> 8);
}
}
vdb_buf_tmp++;