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optimize shadow drawing

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This commit is contained in:
Gabor Kiss-Vamosi 2019-09-04 15:39:39 +02:00
parent 0497575b9c
commit 80280557c6
1 changed files with 70 additions and 28 deletions
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98
src/lv_draw/lv_draw_rect.c
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@ -392,11 +392,18 @@ static void draw_shadow(const lv_area_t * coords, const lv_area_t * clip, const
lv_coord_t corner_size = sw + rout;
// static lv_opa_t sh_buf[(25 + 6) * (25 + 6)];
// static lv_coord_t last_rout = - 1;
// static lv_coord_t last_sw = -1;
// if(last_rout != rout || last_sw != sw) {
// shadow_draw_corner_buf(coords, sh_buf, style->body.shadow.width, rout);
// last_rout = rout;
// last_sw = sw;
// }
lv_opa_t sh_buf[corner_size * corner_size];
shadow_draw_corner_buf(coords, sh_buf, style->body.shadow.width, rout);
uint8_t other_mask_cnt = lv_mask_get_cnt();
lv_coord_t y_max;
@ -466,19 +473,40 @@ static void draw_shadow(const lv_area_t * coords, const lv_area_t * clip, const
sh_buf_tmp = sh_buf + corner_size * (corner_size - 1);
for(y = corner_size; y < lv_area_get_height(&sh_area) - corner_size; y++) {
memcpy(mask_buf, sh_buf_tmp, corner_size);
mask_res = lv_mask_apply(mask_buf + first_px, a.x1, a.y1, lv_area_get_width(&a));
if(mask_res == LV_MASK_RES_FULL_COVER) mask_res = LV_MASK_RES_CHANGED;
lv_blend_fill(clip, &a,
style->body.shadow.color, mask_buf+first_px, mask_res, LV_OPA_COVER, LV_BLIT_MODE_NORMAL);
a.y1++;
a.y2++;
lv_coord_t x;
if(other_mask_cnt == 0) {
/*Draw vertical lines*/
lv_area_t va;
va.x1 = a.x1;
va.x2 = a.x1;
va.y1 = sh_area.y1 + corner_size;
va.y2 = sh_area.y2 - corner_size;
for(x = a.x1; x < a.x2; x++) {
if(x > coords->x2) {
lv_blend_fill(clip, &va,
style->body.shadow.color, NULL, LV_MASK_RES_FULL_COVER, sh_buf_tmp[x - a.x1 + first_px], LV_BLIT_MODE_NORMAL);
}
va.x1++;
va.x2++;
}
}
else {
for(y = corner_size; y < lv_area_get_height(&sh_area) - corner_size; y++) {
memcpy(mask_buf, sh_buf_tmp, corner_size);
mask_res = lv_mask_apply(mask_buf + first_px, a.x1, a.y1, lv_area_get_width(&a));
if(mask_res == LV_MASK_RES_FULL_COVER) mask_res = LV_MASK_RES_CHANGED;
lv_blend_fill(clip, &a,
style->body.shadow.color, mask_buf+first_px, mask_res, LV_OPA_COVER, LV_BLIT_MODE_NORMAL);
a.y1++;
a.y2++;
}
}
/*Invert the shadow corner buffer and draw the corners on the left*/
lv_coord_t x;
sh_buf_tmp = sh_buf ;
for(y = 0; y < corner_size; y++) {
for(x = 0; x < corner_size / 2; x++) {
@ -516,8 +544,6 @@ static void draw_shadow(const lv_area_t * coords, const lv_area_t * clip, const
}
/*Draw the bottom left corner*/
a.x1 = sh_area.x1;
a.x2 = a.x1 + corner_size - 1;
a.y1 = sh_area.y2;
a.y2 = a.y1;
@ -541,15 +567,32 @@ static void draw_shadow(const lv_area_t * coords, const lv_area_t * clip, const
sh_buf_tmp = sh_buf + corner_size * (corner_size - 1);
for(y = corner_size; y < lv_area_get_height(&sh_area) - corner_size; y++) {
memcpy(mask_buf, sh_buf_tmp, corner_size);
mask_res = lv_mask_apply(mask_buf + first_px, a.x1, a.y1, lv_area_get_width(&a));
if(mask_res == LV_MASK_RES_FULL_COVER) mask_res = LV_MASK_RES_CHANGED;
if(other_mask_cnt == 0) {
/*Draw vertical lines*/
lv_area_t va;
va.x1 = a.x1;
va.x2 = a.x1;
va.y1 = sh_area.y1 + corner_size;
va.y2 = sh_area.y2 - corner_size;
lv_blend_fill(clip, &a,
style->body.shadow.color, mask_buf + first_px, mask_res, LV_OPA_COVER, LV_BLIT_MODE_NORMAL);
a.y1++;
a.y2++;
for(x = a.x1; x < coords->x1; x++) {
lv_blend_fill(clip, &va,
style->body.shadow.color, NULL, LV_MASK_RES_FULL_COVER, sh_buf_tmp[x - a.x1 + first_px], LV_BLIT_MODE_NORMAL);
va.x1++;
va.x2++;
}
}
else {
for(y = corner_size; y < lv_area_get_height(&sh_area) - corner_size; y++) {
memcpy(mask_buf, sh_buf_tmp, corner_size);
mask_res = lv_mask_apply(mask_buf + first_px, a.x1, a.y1, lv_area_get_width(&a));
if(mask_res == LV_MASK_RES_FULL_COVER) mask_res = LV_MASK_RES_CHANGED;
lv_blend_fill(clip, &a,
style->body.shadow.color, mask_buf + first_px, mask_res, LV_OPA_COVER, LV_BLIT_MODE_NORMAL);
a.y1++;
a.y2++;
}
}
/*Fill the top side*/
@ -582,15 +625,14 @@ static void draw_shadow(const lv_area_t * coords, const lv_area_t * clip, const
}
/*Fill the bottom side*/
a.y1 = sh_area.y2 - corner_size + 1 + y_max;
lv_coord_t y_min = corner_size - (sh_area.y2 - coords->y2);//sw / 2 + rout - y_ofs - 1;
sh_buf_tmp = sh_buf + corner_size * (corner_size - y_min - 1 ) + corner_size - 1;
a.y1 = sh_area.y2 - corner_size + 1 + y_min;
a.y2 = a.y1;
sh_buf_tmp = sh_buf + corner_size * (corner_size - 1 - y_max) + corner_size - 1;
y_max = 0;
if(other_mask_cnt == 0) y_max = sw / 2 + 1 - y_ofs;
for(y = y_max; y < corner_size; y++) {
for(y = y_min; y < corner_size; y++) {
if(other_mask_cnt != 0) {
memset(mask_buf, sh_buf_tmp[0], lv_area_get_width(&a));
mask_res = lv_mask_apply(mask_buf, a.x1, a.y1, lv_area_get_width(&a));