void draw_ticks(GContext *ctx, GPoint center, int radius, int num_ticks, int ticks_modulo, int thick) {
graphics_context_set_stroke_color(ctx, GColorWhite);
graphics_context_set_fill_color(ctx, GColorWhite);
for (int i = 0; i < num_ticks; i += 1) {
GPoint p = tick_point(center, radius, i * 360 / num_ticks);
if (i % ticks_modulo == 0) {
if (thick) {
graphics_fill_rect(ctx, GRect(p.x - 1, p.y - 1, 3, 3), 0, GCornerNone);
} else {
GPoint p1 = tick_point(center, radius + 1, i * 360 / num_ticks);
GPoint p2 = tick_point(center, radius - 1, i * 360 / num_ticks);
graphics_context_set_stroke_width(ctx, 1);
graphics_draw_line(ctx, p1, p2);
}
} else {
graphics_draw_pixel(ctx, p);
}
}
}
void tick_init(Window* window) {
Layer *window_layer = window_get_root_layer(window);
GRect bounds = layer_get_bounds(window_layer);
const GPoint center = grect_center_point(&bounds);
tick_setup(&tick_path_1, center, 1);
tick_setup(&tick_path_3, center, 3);
tick_setup(&tick_path_5, center, 5);
tick_setup(&tick_path_7, center, 7);
tick_setup(&tick_path_9, center, 9);
tick_setup(&tick_path_11, center, 11);
tick_point_2 = tick_point(center, 2);
tick_point_4 = tick_point(center, 4);
tick_point_6 = tick_point(center, 6);
tick_point_8 = tick_point(center, 8);
tick_point_10 = tick_point(center, 10);
tick_point_12 = tick_point(center, 12);
}
void tick_setup(GPath **path, GPoint center, uint16_t hour) {
*path = gpath_create(&TICK_POINTS);
gpath_rotate_to(*path, TRIG_MAX_ANGLE * hour / 12);
gpath_move_to(*path, tick_point(center, hour));
}
