Lines Matching refs:dy
325 int32_t dy = end.y - start.y; in lv_gradient_radial_setup() local
327 state->a4 = (lv_sqr(dr) - lv_sqr(dx) - lv_sqr(dy)) << 2; in lv_gradient_radial_setup()
330 state->bpy = dy << 1; in lv_gradient_radial_setup()
331 state->bc = (state->r0 * dr - state->x0 * dx - state->y0 * dy) << 1; in lv_gradient_radial_setup()
490 int32_t dy = end.y - start.y; in lv_gradient_linear_setup() local
492 int32_t l2 = lv_sqr(dx) + lv_sqr(dy); in lv_gradient_linear_setup()
494 state->b = (dy << 16) / l2; in lv_gradient_linear_setup()
495 state->c = ((start.x * dx + start.y * dy) << 16) / l2; in lv_gradient_linear_setup()
590 int32_t dy = yp - state->y0; in lv_gradient_conical_get_line() local
592 …if(dy == 0) { /* we will eventually go through the center of the conical: need an extra test in … in lv_gradient_conical_get_line()
598 int32_t d = lv_atan2(dy, dx) - state->a; in lv_gradient_conical_get_line()
610 int32_t d = lv_atan2(dy, dx) - state->a; in lv_gradient_conical_get_line()