Lines Matching refs:dx
43 int32_t dx; member
320 state->dx = 0; in lv_gradient_radial_setup()
324 int32_t dx = end.x - start.x; in lv_gradient_radial_setup() local
326 state->dx = dx; /* needed for incremental calculation */ in lv_gradient_radial_setup()
327 state->a4 = (lv_sqr(dr) - lv_sqr(dx) - lv_sqr(dy)) << 2; in lv_gradient_radial_setup()
329 state->bpx = dx << 1; in lv_gradient_radial_setup()
331 state->bc = (state->r0 * dr - state->x0 * dx - state->y0 * dy) << 1; in lv_gradient_radial_setup()
403 db = state->dx << 1; in lv_gradient_radial_get_line()
489 int32_t dx = end.x - start.x; in lv_gradient_linear_setup() local
492 int32_t l2 = lv_sqr(dx) + lv_sqr(dy); in lv_gradient_linear_setup()
493 state->a = (dx << 16) / l2; in lv_gradient_linear_setup()
495 state->c = ((start.x * dx + start.y * dy) << 16) / l2; in lv_gradient_linear_setup()
589 int32_t dx = xp - state->x0; in lv_gradient_conical_get_line() local
594 if(dx == 0) { in lv_gradient_conical_get_line()
598 int32_t d = lv_atan2(dy, dx) - state->a; in lv_gradient_conical_get_line()
605 dx++; in lv_gradient_conical_get_line()
610 int32_t d = lv_atan2(dy, dx) - state->a; in lv_gradient_conical_get_line()
616 dx++; in lv_gradient_conical_get_line()