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draw_line: fix skew line draw error

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This commit is contained in:
Gabor Kiss-Vamosi
2019-08-01 21:01:02 +02:00
parent 17111843a0
commit 1efff93dda
1 changed files with 3 additions and 2 deletions
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5
src/lv_draw/lv_draw_line.c
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@@ -263,7 +263,8 @@ static void line_draw_skew(line_draw_t * main_line, bool dir_ori, const lv_area_
/* The pattern stores the points of the line ending. It has the good direction and length.
* The worth case is the 45° line where pattern can have 1.41 x `width` points*/
lv_point_t * pattern = lv_draw_get_buf(width * 2 * sizeof(lv_point_t));
lv_coord_t pattern_size = width * 2;
lv_point_t * pattern = lv_draw_get_buf(pattern_size * sizeof(lv_point_t));
lv_coord_t i = 0;
/*Create a perpendicular pattern (a small line)*/
@@ -274,7 +275,7 @@ static void line_draw_skew(line_draw_t * main_line, bool dir_ori, const lv_area_
uint32_t width_sqr = width * width;
/* Run for a lot of times. Meanwhile the real width will be determined as well */
for(i = 0; i < (lv_coord_t)sizeof(pattern); i++) {
for(i = 0; i < (lv_coord_t)pattern_size - 1; i++) {
pattern[i].x = pattern_line.p_act.x;
pattern[i].y = pattern_line.p_act.y;