37     int32_t x0;         /* center of the start circle */
38     int32_t y0;         /* center of the start circle */
39     int32_t r0;         /* radius of the start circle */
40     int32_t inv_dr;     /* 1 / (r1 - r0) */
41     int32_t a4;         /* 4 * a */
42     int32_t inv_a4;     /* 1 / (4 * a) */
43     int32_t dx;
45     int32_t bpx;
46     int32_t bpy;
47     int32_t bc;
54     int32_t a;
55     int32_t b;
56     int32_t c;
62     int32_t x0;
63     int32_t y0;
64     int32_t a;
65     int32_t da;
66     int32_t inv_da;
76 static lv_grad_t * allocate_item(const lv_grad_dsc_t * g, int32_t w, int32_t h);
80     static inline int32_t extend_w(int32_t w, lv_grad_extend_t extend);
92 static lv_grad_t * allocate_item(const lv_grad_dsc_t * g, int32_t w, int32_t h)  in allocate_item()
94     int32_t size;  in allocate_item()
123 static inline int32_t extend_w(int32_t w, lv_grad_extend_t extend)  in extend_w()
144 lv_grad_t * lv_gradient_get(const lv_grad_dsc_t * g, int32_t w, int32_t h)  in lv_gradient_get()
164 void LV_ATTRIBUTE_FAST_MEM lv_gradient_color_calculate(const lv_grad_dsc_t * dsc, int32_t range,  in lv_gradient_color_calculate()
165 …                                     int32_t frac, lv_grad_color_t * color_out, lv_opa_t * opa_out)  in lv_gradient_color_calculate()
169     int32_t min = (dsc->stops[0].frac * range) >> 8;  in lv_gradient_color_calculate()
177     int32_t max = (dsc->stops[dsc->stops_count - 1].frac * range) >> 8;  in lv_gradient_color_calculate()
186     int32_t d = 0;  in lv_gradient_color_calculate()
187     int32_t found_i = 0;  in lv_gradient_color_calculate()
189         int32_t cur = (dsc->stops[i].frac * range) >> 8;  in lv_gradient_color_calculate()
290     int32_t wdt = lv_area_get_width(coords);  in lv_gradient_radial_setup()
291     int32_t hgt = lv_area_get_height(coords);  in lv_gradient_radial_setup()
313     int32_t dr = r_end - r_start;  in lv_gradient_radial_setup()
324         int32_t dx = end.x - start.x;  in lv_gradient_radial_setup()
325         int32_t dy = end.y - start.y;  in lv_gradient_radial_setup()
360 void LV_ATTRIBUTE_FAST_MEM lv_gradient_radial_get_line(lv_grad_dsc_t * dsc, int32_t xp, int32_t yp,  in lv_gradient_radial_get_line()
361                                                        int32_t width, lv_grad_t * result)  in lv_gradient_radial_get_line()
368     int32_t w;  /* the result: this is an offset into the 256 element gradient color table */  in lv_gradient_radial_get_line()
369     int32_t b, db, c, dc;  in lv_gradient_radial_get_line()
378         int32_t _w = width;  in lv_gradient_radial_get_line()
391             int32_t _x1 = LV_MAX(xp, state->clip_area.x1);  in lv_gradient_radial_get_line()
392             int32_t _x2 = LV_MIN(xp + width, state->clip_area.x2);  in lv_gradient_radial_get_line()
419             int32_t a4 = state->a4 >> 4;  in lv_gradient_radial_get_line()
421 …int32_t det = lv_sqr(b >> 4) - (a4 * (c >> 4));     /* b^2 shifted down by 2*4=8, 4ac shifted down…  in lv_gradient_radial_get_line()
480     int32_t wdt = lv_area_get_width(coords);  in lv_gradient_linear_setup()
481     int32_t hgt = lv_area_get_height(coords);  in lv_gradient_linear_setup()
489     int32_t dx = end.x - start.x;  in lv_gradient_linear_setup()
490     int32_t dy = end.y - start.y;  in lv_gradient_linear_setup()
492     int32_t l2 = lv_sqr(dx) + lv_sqr(dy);  in lv_gradient_linear_setup()
508 void LV_ATTRIBUTE_FAST_MEM lv_gradient_linear_get_line(lv_grad_dsc_t * dsc, int32_t xp, int32_t yp,  in lv_gradient_linear_get_line()
509                                                        int32_t width, lv_grad_t * result)  in lv_gradient_linear_get_line()
516     int32_t w;  /* the result: this is an offset into the 256 element gradient color table */  in lv_gradient_linear_get_line()
517     int32_t x, d;  in lv_gradient_linear_get_line()
545     int32_t alpha = dsc->params.conical.start_angle % 360;  in lv_gradient_conical_setup()
546     int32_t beta = dsc->params.conical.end_angle % 360;  in lv_gradient_conical_setup()
554     int32_t wdt = lv_area_get_width(coords);  in lv_gradient_conical_setup()
555     int32_t hgt = lv_area_get_height(coords);  in lv_gradient_conical_setup()
580 void LV_ATTRIBUTE_FAST_MEM lv_gradient_conical_get_line(lv_grad_dsc_t * dsc, int32_t xp, int32_t yp,  in lv_gradient_conical_get_line()
581                                                         int32_t width, lv_grad_t * result)  in lv_gradient_conical_get_line()
588     int32_t w;  /* the result: this is an offset into the 256 element gradient color table */  in lv_gradient_conical_get_line()
589     int32_t dx = xp - state->x0;  in lv_gradient_conical_get_line()
590     int32_t dy = yp - state->y0;  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()
621 void lv_grad_linear_init(lv_grad_dsc_t * dsc, int32_t from_x, int32_t from_y, int32_t to_x, int32_t…  in lv_grad_linear_init()
632 void lv_grad_radial_init(lv_grad_dsc_t * dsc, int32_t center_x, int32_t center_y, int32_t to_x, int…  in lv_grad_radial_init()
647 void lv_grad_conical_init(lv_grad_dsc_t * dsc, int32_t center_x, int32_t center_y, int32_t start_an…  in lv_grad_conical_init()
648                           int32_t end_angle, lv_grad_extend_t extend)  in lv_grad_conical_init()
658 void lv_grad_radial_set_focal(lv_grad_dsc_t * dsc, int32_t center_x, int32_t center_y, int32_t radi…  in lv_grad_radial_set_focal()