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Diffstat (limited to 'src/libs/lvgl/src/lv_draw/lv_draw_arc.c')
-rw-r--r--src/libs/lvgl/src/lv_draw/lv_draw_arc.c251
1 files changed, 0 insertions, 251 deletions
diff --git a/src/libs/lvgl/src/lv_draw/lv_draw_arc.c b/src/libs/lvgl/src/lv_draw/lv_draw_arc.c
deleted file mode 100644
index 5b19a12..0000000
--- a/src/libs/lvgl/src/lv_draw/lv_draw_arc.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/**
- * @file lv_draw_arc.c
- *
- */
-
-/*********************
- * INCLUDES
- *********************/
-#include "lv_draw_arc.h"
-#include "../lv_misc/lv_math.h"
-
-/*********************
- * DEFINES
- *********************/
-
-/**********************
- * TYPEDEFS
- **********************/
-
-/**********************
- * STATIC PROTOTYPES
- **********************/
-static void ver_line(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_coord_t len, lv_color_t color,
- lv_opa_t opa);
-static void hor_line(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_coord_t len, lv_color_t color,
- lv_opa_t opa);
-static bool deg_test_norm(uint16_t deg, uint16_t start, uint16_t end);
-static bool deg_test_inv(uint16_t deg, uint16_t start, uint16_t end);
-
-/**********************
- * STATIC VARIABLES
- **********************/
-
-/**********************
- * MACROS
- **********************/
-
-/**********************
- * GLOBAL FUNCTIONS
- **********************/
-
-/**
- * Draw an arc. (Can draw pie too with great thickness.)
- * @param center_x the x coordinate of the center of the arc
- * @param center_y the y coordinate of the center of the arc
- * @param radius the radius of the arc
- * @param mask the arc will be drawn only in this mask
- * @param start_angle the start angle of the arc (0 deg on the bottom, 90 deg on the right)
- * @param end_angle the end angle of the arc
- * @param style style of the arc (`body.thickness`, `body.main_color`, `body.opa` is used)
- * @param opa_scale scale down all opacities by the factor
- */
-void lv_draw_arc(lv_coord_t center_x, lv_coord_t center_y, uint16_t radius, const lv_area_t * mask,
- uint16_t start_angle, uint16_t end_angle, const lv_style_t * style, lv_opa_t opa_scale)
-{
- lv_coord_t thickness = style->line.width;
- if(thickness > radius) thickness = radius;
-
-#if LV_ANTIALIAS
- thickness--;
- radius--;
-#endif
-
- lv_coord_t r_out = radius;
- lv_coord_t r_in = r_out - thickness;
- int16_t deg_base;
- int16_t deg;
- lv_coord_t x_start[4];
- lv_coord_t x_end[4];
-
- lv_color_t color = style->line.color;
- lv_opa_t opa = opa_scale == LV_OPA_COVER ? style->body.opa : (uint16_t)((uint16_t)style->body.opa * opa_scale) >> 8;
-
- bool (*deg_test)(uint16_t, uint16_t, uint16_t);
- if(start_angle <= end_angle)
- deg_test = deg_test_norm;
- else
- deg_test = deg_test_inv;
-
- int middle_r_out = r_out;
-#if !LV_ANTIALIAS
- thickness--;
- middle_r_out = r_out - 1;
-#endif
- if(deg_test(270, start_angle, end_angle))
- hor_line(center_x - middle_r_out, center_y, mask, thickness, color, opa); /*Left Middle*/
- if(deg_test(90, start_angle, end_angle))
- hor_line(center_x + r_in, center_y, mask, thickness, color, opa); /*Right Middle*/
- if(deg_test(180, start_angle, end_angle))
- ver_line(center_x, center_y - middle_r_out, mask, thickness, color, opa); /*Top Middle*/
- if(deg_test(0, start_angle, end_angle))
- ver_line(center_x, center_y + r_in, mask, thickness, color, opa); /*Bottom middle*/
-
- uint32_t r_out_sqr = r_out * r_out;
- uint32_t r_in_sqr = r_in * r_in;
-#if LV_ANTIALIAS
- uint32_t r_out_aa_sqr = (r_out + 1) * (r_out + 1);
- uint32_t r_in_aa_sqr = (r_in - 1) * (r_in - 1);
-#endif
- int16_t xi;
- int16_t yi;
- for(yi = -r_out; yi < 0; yi++) {
- x_start[0] = LV_COORD_MIN;
- x_start[1] = LV_COORD_MIN;
- x_start[2] = LV_COORD_MIN;
- x_start[3] = LV_COORD_MIN;
- x_end[0] = LV_COORD_MIN;
- x_end[1] = LV_COORD_MIN;
- x_end[2] = LV_COORD_MIN;
- x_end[3] = LV_COORD_MIN;
- int xe = 0;
- for(xi = -r_out; xi < 0; xi++) {
-
- uint32_t r_act_sqr = xi * xi + yi * yi;
-#if LV_ANTIALIAS
- if(r_act_sqr > r_out_aa_sqr) {
- continue;
- }
-#else
- if(r_act_sqr > r_out_sqr) continue;
-#endif
-
- deg_base = lv_atan2(xi, yi) - 180;
-
-#if LV_ANTIALIAS
- int opa2 = -1;
- if(r_act_sqr > r_out_sqr) {
- opa2 = LV_OPA_100 * (r_out + 1) - lv_sqrt(LV_OPA_100 * LV_OPA_100 * r_act_sqr);
- if(opa2 < LV_OPA_0)
- opa2 = LV_OPA_0;
- else if(opa2 > LV_OPA_100)
- opa2 = LV_OPA_100;
- } else if(r_act_sqr < r_in_sqr) {
- if(xe == 0) xe = xi;
- opa2 = lv_sqrt(LV_OPA_100 * LV_OPA_100 * r_act_sqr) - LV_OPA_100 * (r_in - 1);
- if(opa2 < LV_OPA_0)
- opa2 = LV_OPA_0;
- else if(opa2 > LV_OPA_100)
- opa2 = LV_OPA_100;
- if(r_act_sqr < r_in_aa_sqr)
- break; /*No need to continue the iteration in x once we found the inner edge of the
- arc*/
- }
- if(opa2 != -1) {
- if(deg_test(180 + deg_base, start_angle, end_angle)) {
- lv_draw_px(center_x + xi, center_y + yi, mask, color, opa2);
- }
- if(deg_test(360 - deg_base, start_angle, end_angle)) {
- lv_draw_px(center_x + xi, center_y - yi, mask, color, opa2);
- }
- if(deg_test(180 - deg_base, start_angle, end_angle)) {
- lv_draw_px(center_x - xi, center_y + yi, mask, color, opa2);
- }
- if(deg_test(deg_base, start_angle, end_angle)) {
- lv_draw_px(center_x - xi, center_y - yi, mask, color, opa2);
- }
- continue;
- }
-#endif
-
- deg = 180 + deg_base;
- if(deg_test(deg, start_angle, end_angle)) {
- if(x_start[0] == LV_COORD_MIN) x_start[0] = xi;
- } else if(x_start[0] != LV_COORD_MIN && x_end[0] == LV_COORD_MIN) {
- x_end[0] = xi - 1;
- }
-
- deg = 360 - deg_base;
- if(deg_test(deg, start_angle, end_angle)) {
- if(x_start[1] == LV_COORD_MIN) x_start[1] = xi;
- } else if(x_start[1] != LV_COORD_MIN && x_end[1] == LV_COORD_MIN) {
- x_end[1] = xi - 1;
- }
-
- deg = 180 - deg_base;
- if(deg_test(deg, start_angle, end_angle)) {
- if(x_start[2] == LV_COORD_MIN) x_start[2] = xi;
- } else if(x_start[2] != LV_COORD_MIN && x_end[2] == LV_COORD_MIN) {
- x_end[2] = xi - 1;
- }
-
- deg = deg_base;
- if(deg_test(deg, start_angle, end_angle)) {
- if(x_start[3] == LV_COORD_MIN) x_start[3] = xi;
- } else if(x_start[3] != LV_COORD_MIN && x_end[3] == LV_COORD_MIN) {
- x_end[3] = xi - 1;
- }
-
- if(r_act_sqr < r_in_sqr) {
- xe = xi;
- break; /*No need to continue the iteration in x once we found the inner edge of the
- arc*/
- }
- }
-
- if(x_start[0] != LV_COORD_MIN) {
- if(x_end[0] == LV_COORD_MIN) x_end[0] = xe - 1;
- hor_line(center_x + x_start[0], center_y + yi, mask, x_end[0] - x_start[0], color, opa);
- }
-
- if(x_start[1] != LV_COORD_MIN) {
- if(x_end[1] == LV_COORD_MIN) x_end[1] = xe - 1;
- hor_line(center_x + x_start[1], center_y - yi, mask, x_end[1] - x_start[1], color, opa);
- }
-
- if(x_start[2] != LV_COORD_MIN) {
- if(x_end[2] == LV_COORD_MIN) x_end[2] = xe - 1;
- hor_line(center_x - x_end[2], center_y + yi, mask, LV_MATH_ABS(x_end[2] - x_start[2]), color, opa);
- }
-
- if(x_start[3] != LV_COORD_MIN) {
- if(x_end[3] == LV_COORD_MIN) x_end[3] = xe - 1;
- hor_line(center_x - x_end[3], center_y - yi, mask, LV_MATH_ABS(x_end[3] - x_start[3]), color, opa);
- }
- }
-}
-
-/**********************
- * STATIC FUNCTIONS
- **********************/
-static void ver_line(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_coord_t len, lv_color_t color, lv_opa_t opa)
-{
- lv_area_t area;
- lv_area_set(&area, x, y, x, y + len);
-
- lv_draw_fill(&area, mask, color, opa);
-}
-
-static void hor_line(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_coord_t len, lv_color_t color, lv_opa_t opa)
-{
- lv_area_t area;
- lv_area_set(&area, x, y, x + len, y);
-
- lv_draw_fill(&area, mask, color, opa);
-}
-
-static bool deg_test_norm(uint16_t deg, uint16_t start, uint16_t end)
-{
- if(deg >= start && deg <= end)
- return true;
- else
- return false;
-}
-
-static bool deg_test_inv(uint16_t deg, uint16_t start, uint16_t end)
-{
- if(deg >= start || deg <= end) {
- return true;
- } else
- return false;
-}
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