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draw label fix huge memory usage

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This commit is contained in:
Gabor Kiss-Vamosi 2020-05-11 10:21:37 +02:00
parent eaeb362001
commit d6db1ed511
1 changed files with 6 additions and 2 deletions
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8
src/lv_draw/lv_draw_label.c
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@ -518,7 +518,7 @@ LV_ATTRIBUTE_FAST_MEM static void draw_letter_normal(lv_coord_t pos_x, lv_coord_
uint32_t col_bit;
col_bit = bit_ofs & 0x7; /* "& 0x7" equals to "% 8" just faster */
uint32_t mask_buf_size = box_w * box_h > LV_HOR_RES_MAX ? box_w * box_h : LV_HOR_RES_MAX;
uint32_t mask_buf_size = box_w * box_h > LV_HOR_RES_MAX ? LV_HOR_RES_MAX : box_w * box_h;
lv_opa_t * mask_buf = lv_mem_buf_get(mask_buf_size);
int32_t mask_p = 0;
@ -655,7 +655,7 @@ static void draw_letter_subpx(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_
int32_t col_bit;
col_bit = bit_ofs & 0x7; /* "& 0x7" equals to "% 8" just faster */
int32_t mask_buf_size = box_w * box_h > LV_HOR_RES_MAX ? g->box_w * g->box_h : LV_HOR_RES_MAX;
int32_t mask_buf_size = box_w * box_h > LV_HOR_RES_MAX ? LV_HOR_RES_MAX : g->box_w * g->box_h;
lv_opa_t * mask_buf = lv_mem_buf_get(mask_buf_size);
int32_t mask_p = 0;
@ -742,6 +742,10 @@ static void draw_letter_subpx(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_
res_color.ch.green_l = green & 0x7;
#endif
#if LV_COLOR_DEPTH == 32
res_color.ch.alpha = 0xff;
#endif
if(font_rgb[0] == 0 && font_rgb[1] == 0 && font_rgb[2] == 0) mask_buf[mask_p] = LV_OPA_TRANSP;
else mask_buf[mask_p] = LV_OPA_COVER;
color_buf[mask_p] = res_color;