19 void LV_ATTRIBUTE_FAST_MEM lv_dither_none(lv_grad_t * grad, lv_coord_t x, lv_coord_t y, lv_coord_t …  in lv_dither_none()  argument
23     if(grad == NULL || grad->filled) return;  in lv_dither_none()
25         grad->map[i] = lv_color_hex(grad->hmap[i].full);  in lv_dither_none()
27     grad->filled = 1;  in lv_dither_none()
41 void LV_ATTRIBUTE_FAST_MEM lv_dither_ordered_hor(lv_grad_t * grad, lv_coord_t x, lv_coord_t y, lv_c…  in lv_dither_ordered_hor()  argument
55         lv_color32_t tmp = grad->hmap[LV_CLAMP(0, j - 4, grad->size)];  in lv_dither_ordered_hor()
61         grad->map[j] = lv_color_hex(t.full);  in lv_dither_ordered_hor()
65 void LV_ATTRIBUTE_FAST_MEM lv_dither_ordered_ver(lv_grad_t * grad, lv_coord_t x, lv_coord_t y, lv_c…  in lv_dither_ordered_ver()  argument
76     lv_color32_t tmp = grad->hmap[LV_CLAMP(0, y - 4, grad->size)];  in lv_dither_ordered_ver()
86         grad->map[j] = lv_color_hex(t.full);  in lv_dither_ordered_ver()
91         lv_memcpy(grad->map + j, grad->map, 8 * sizeof(*grad->map));  in lv_dither_ordered_ver()
95         grad->map[j] = grad->map[j & 7];  in lv_dither_ordered_ver()
100 void LV_ATTRIBUTE_FAST_MEM lv_dither_err_diff_hor(lv_grad_t * grad, lv_coord_t xs, lv_coord_t y, lv…  in lv_dither_err_diff_hor()  argument
119     grad->map[0] = lv_color_hex(grad->hmap[0].full);  in lv_dither_err_diff_hor()
120     for(lv_coord_t x = 1; x < grad->size - 1; x++) {  in lv_dither_err_diff_hor()
121         lv_color32_t t = grad->hmap[x];  in lv_dither_err_diff_hor()
125         next_l = grad->error_acc[x + 1];  in lv_dither_err_diff_hor()
133         grad->error_acc[x - 1].r += coef[1] >> 4;  in lv_dither_err_diff_hor()
134         grad->error_acc[x].r     += coef[2] >> 4;  in lv_dither_err_diff_hor()
135         grad->error_acc[x + 1].r = coef[3] >> 4;  in lv_dither_err_diff_hor()
139         grad->error_acc[x - 1].g += coef[1] >> 4;  in lv_dither_err_diff_hor()
140         grad->error_acc[x].g     += coef[2] >> 4;  in lv_dither_err_diff_hor()
141         grad->error_acc[x + 1].g = coef[3] >> 4;  in lv_dither_err_diff_hor()
145         grad->error_acc[x - 1].b += coef[1] >> 4;  in lv_dither_err_diff_hor()
146         grad->error_acc[x].b     += coef[2] >> 4;  in lv_dither_err_diff_hor()
147         grad->error_acc[x + 1].b = coef[3] >> 4;  in lv_dither_err_diff_hor()
149         grad->map[x] = q;  in lv_dither_err_diff_hor()
151     grad->map[grad->size - 1] = lv_color_hex(grad->hmap[grad->size - 1].full);  in lv_dither_err_diff_hor()
154 void LV_ATTRIBUTE_FAST_MEM lv_dither_err_diff_ver(lv_grad_t * grad, lv_coord_t xs, lv_coord_t y, lv…  in lv_dither_err_diff_ver()  argument
182     lv_scolor24_t next_px_err, prev_l = grad->error_acc[0];  in lv_dither_err_diff_ver()
185         grad->map[0] = lv_color_hex(grad->hmap[y].full);  in lv_dither_err_diff_ver()
186         FS_QUANT_ERROR(next_px_err, grad->hmap[y], grad->map[0]);  in lv_dither_err_diff_ver()
189         lv_color_t tmp = lv_color_hex(grad->hmap[y].full);  in lv_dither_err_diff_ver()
190         lv_color32_t t = grad->hmap[y];  in lv_dither_err_diff_ver()
191         FS_QUANT_ERROR(next_px_err, grad->hmap[y], tmp);  in lv_dither_err_diff_ver()
192         FS_COMPONENTS3(t, +, next_px_err, 6, prev_l, 1, grad->error_acc[0], 9);  in lv_dither_err_diff_ver()
193         grad->map[0] = lv_color_hex(t.full);  in lv_dither_err_diff_ver()
197         lv_color32_t t = grad->hmap[y];  in lv_dither_err_diff_ver()
200         FS_COMPONENTS3(t, +, next_px_err, 6, prev_l, 1, grad->error_acc[x], 9);  in lv_dither_err_diff_ver()
201         prev_l = grad->error_acc[x];  in lv_dither_err_diff_ver()
206         grad->error_acc[x] = next_px_err;  in lv_dither_err_diff_ver()
207         grad->map[x] = q;  in lv_dither_err_diff_ver()