fix(draw_sw_line): fix horizontal line incorrect dash length (#9501)

2026-05-23 15:56:59 +08:00 · 2026-01-06 15:11:16 +01:00
parent 2e267c7d78
commit eb86444ec9
3 changed files with 7 additions and 5 deletions
@@ -151,17 +151,19 @@ static void LV_ATTRIBUTE_FAST_MEM draw_line_hor(lv_draw_task_t * t, const lv_dra

            int32_t dash_cnt = dash_start;
            int32_t i;
-            for(i = 0; i < blend_area_w; i++, dash_cnt++) {
-                if(dash_cnt <= dsc->dash_width) {
+            for(i = 0; i < blend_area_w;) {
+                if(dash_cnt < dsc->dash_width) {
                    int16_t diff = dsc->dash_width - dash_cnt;
                    i += diff;
                    dash_cnt += diff;
                }
-                else if(dash_cnt > dsc->dash_gap + dsc->dash_width) {
-                    dash_cnt = 0;
-                }
                else {
                    mask_buf[i] = 0x00;
+                    i++;
+                    dash_cnt++;
+                }
+                if(dash_cnt >= dsc->dash_gap + dsc->dash_width) {
+                    dash_cnt = 0;
                }

                blend_dsc.mask_res = LV_DRAW_SW_MASK_RES_CHANGED;