1 files changed, 55 insertions, 0 deletions

diff --git a/src/displayapp/screens/WatchFaceDigital.cpp b/src/displayapp/screens/WatchFaceDigital.cpp
index 68c6acb..a184c77 100644
--- a/src/displayapp/screens/WatchFaceDigital.cpp
+++ b/src/displayapp/screens/WatchFaceDigital.cpp
@@ -15,6 +15,41 @@
 #include "displayapp/fonts/neofont.h"
 using namespace Pinetime::Applications::Screens;
 
+LV_IMG_DECLARE(bg_analog24);
+
+namespace {
+constexpr int16_t HourLength = 30;
+// constexpr int16_t MinuteLength = 90;
+// constexpr int16_t SecondLength = 110;
+
+// sin(90) = 1 so the value of _lv_trigo_sin(90) is the scaling factor
+const auto LV_TRIG_SCALE = _lv_trigo_sin(90);
+
+int16_t Cosine(int16_t angle) {
+  return _lv_trigo_sin(angle + 90);
+}
+
+int16_t Sine(int16_t angle) {
+  return _lv_trigo_sin(angle);
+}
+
+int16_t CoordinateXRelocate(int16_t x) {
+  return (x + LV_HOR_RES / 2);
+}
+
+int16_t CoordinateYRelocate(int16_t y) {
+  return std::abs(y - LV_HOR_RES / 2);
+}
+
+lv_point_t CoordinateRelocate(int16_t radius, int16_t angle) {
+  return lv_point_t{
+    .x = CoordinateXRelocate(radius * static_cast<int32_t>(Sine(angle)) / LV_TRIG_SCALE),
+    .y = CoordinateYRelocate(radius * static_cast<int32_t>(Cosine(angle)) / LV_TRIG_SCALE)
+  };
+}
+
+}
+
 WatchFaceDigital::WatchFaceDigital(DisplayApp* app,
                                    Controllers::DateTime& dateTimeController,
                                    Controllers::Battery& batteryController,
@@ -33,6 +68,10 @@ WatchFaceDigital::WatchFaceDigital(DisplayApp* app,
     settingsController {settingsController},
     motionController {motionController} {
 
+  bg_clock_img = lv_img_create(lv_scr_act(), NULL);
+  lv_img_set_src(bg_clock_img, &bg_analog24);
+  lv_obj_align(bg_clock_img, NULL, LV_ALIGN_CENTER, 0, 0);
+
   batteryIcon = lv_label_create(lv_scr_act(), nullptr);
   lv_label_set_text_fmt(batteryIcon, "B##%%");
   lv_obj_set_style_local_text_font(batteryIcon, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &neofont1);
@@ -121,6 +160,13 @@ WatchFaceDigital::WatchFaceDigital(DisplayApp* app,
   lv_obj_set_pos(backgroundLabel, 0, 0);
   lv_label_set_text_static(backgroundLabel, "");
 
+  hour_body_trace = lv_line_create(lv_scr_act(), NULL);
+  lv_style_init(&hour_line_style_trace);
+  lv_style_set_line_width(&hour_line_style_trace, LV_STATE_DEFAULT, 3);
+  lv_style_set_line_color(&hour_line_style_trace, LV_STATE_DEFAULT, LV_COLOR_LIME);
+  lv_style_set_line_rounded(&hour_line_style_trace, LV_STATE_DEFAULT, false);
+  lv_obj_add_style(hour_body_trace, LV_LINE_PART_MAIN, &hour_line_style_trace);
+
   taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
   Refresh();
 }
@@ -194,6 +240,15 @@ void WatchFaceDigital::Refresh() {
     uint8_t second = time.seconds().count();
 
     if (displayedHour != hour || displayedMinute != minute) {
+       {
+         auto const angle = (hour * 15 + minute / 4);
+
+         hour_point_trace[0] = CoordinateRelocate(-20, angle);
+         hour_point_trace[1] = CoordinateRelocate(121, angle);
+
+         // lv_line_set_points(hour_body, hour_point, 2);
+         lv_line_set_points(hour_body_trace, hour_point_trace, 2);
+      }
       displayedHour = hour;
       displayedMinute = minute;
       bool hide_pm = true;