#include #define KEY_BG_COLOR 0 #define KEY_MINUTE_COLOR 1 #define KEY_HOUR_COLOR 2 #define KEY_PEG_COLOR 3 #define ANTIALIASING true #define FINAL_RADIUS 88 #define HAND_WIDTH 7 #define DOT_RADIUS HAND_WIDTH/4 #define HAND_MARGIN_OUTER 10-(HAND_WIDTH/2) #define HAND_MARGIN_INNER 0 #define ANIMATION_DURATION 600 #define ANIMATION_DELAY 150 uint8_t shadowtable[] = {192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192, \ 192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192, \ 192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192, \ 192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192, \ 192,192,192,193,192,192,192,193,192,192,192,193,196,196,196,197, \ 192,192,192,193,192,192,192,193,192,192,192,193,196,196,196,197, \ 192,192,192,193,192,192,192,193,192,192,192,193,196,196,196,197, \ 208,208,208,209,208,208,208,209,208,208,208,209,212,212,212,213, \ 192,192,193,194,192,192,193,194,196,196,197,198,200,200,201,202, \ 192,192,193,194,192,192,193,194,196,196,197,198,200,200,201,202, \ 208,208,209,210,208,208,209,210,212,212,213,214,216,216,217,218, \ 224,224,225,226,224,224,225,226,228,228,229,230,232,232,233,234, \ 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207, \ 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223, \ 224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239, \ 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255}; typedef struct { int hours; int minutes; } Time; static Window *s_main_window; static Layer *s_canvas_layer; static GPoint s_center; static Time s_last_time; static int s_radius = 0; static bool s_animating = false; static float anim_offset; static GColor gcolorbg, gcolorm, gcolorh, gcolorp; static void inbox_received_handler(DictionaryIterator *iter, void *context) { Tuple *colorbg_t = dict_find(iter, KEY_BG_COLOR); Tuple *colorm_t = dict_find(iter, KEY_MINUTE_COLOR); Tuple *colorh_t = dict_find(iter, KEY_HOUR_COLOR); Tuple *colorp_t = dict_find(iter, KEY_PEG_COLOR); if(colorbg_t) { int colorbg = colorbg_t->value->int32; persist_write_int(KEY_BG_COLOR, colorbg); gcolorbg = GColorFromHEX(colorbg); } if(colorm_t) { int colorm = colorm_t->value->int32; persist_write_int(KEY_MINUTE_COLOR, colorm); gcolorm = GColorFromHEX(colorm); } if(colorh_t) { int colorh = colorh_t->value->int32; persist_write_int(KEY_HOUR_COLOR, colorh); gcolorh = GColorFromHEX(colorh); } if(colorp_t) { int colorp = colorp_t->value->int32; persist_write_int(KEY_PEG_COLOR, colorp); gcolorp = GColorFromHEX(colorp); } if(s_canvas_layer) { layer_mark_dirty(s_canvas_layer); } } /*************************** AnimationImplementation **************************/ static void animation_started(Animation *anim, void *context) { s_animating = true; } static void animation_stopped(Animation *anim, bool stopped, void *context) { s_animating = false; } static void animate(int duration, int delay, AnimationImplementation *implementation, bool handlers) { Animation *anim = animation_create(); animation_set_duration(anim, duration); animation_set_delay(anim, delay); animation_set_curve(anim, AnimationCurveEaseInOut); animation_set_implementation(anim, implementation); if(handlers) { animation_set_handlers(anim, (AnimationHandlers) { .started = animation_started, .stopped = animation_stopped }, NULL); } animation_schedule(anim); } /************************************ UI **************************************/ static void tick_handler(struct tm *tick_time, TimeUnits changed) { // Store time s_last_time.hours = tick_time->tm_hour; s_last_time.hours -= (s_last_time.hours > 12) ? 12 : 0; s_last_time.minutes = tick_time->tm_min; // Redraw if(s_canvas_layer) { layer_mark_dirty(s_canvas_layer); } } static void update_proc(Layer *layer, GContext *ctx) { // Color background? GRect bounds = layer_get_bounds(layer); graphics_context_set_fill_color(ctx, gcolorbg); graphics_fill_rect(ctx, bounds, 0, GCornerNone); graphics_context_set_antialiased(ctx, ANTIALIASING); // Don't use current time while animating Time mode_time = s_last_time; // Adjust for minutes through the hour float hour_angle = TRIG_MAX_ANGLE * mode_time.hours / 12; float minute_angle = TRIG_MAX_ANGLE * mode_time.minutes / 60; hour_angle += (minute_angle / TRIG_MAX_ANGLE) * (TRIG_MAX_ANGLE / 12); if (s_animating) { hour_angle += anim_offset; minute_angle -= anim_offset; } // Plot hands GPoint minute_hand_outer = (GPoint) { .x = (int16_t)(sin_lookup(TRIG_MAX_ANGLE * mode_time.minutes / 60) * (int32_t)(s_radius - HAND_MARGIN_OUTER) / TRIG_MAX_RATIO) + s_center.x, .y = (int16_t)(-cos_lookup(TRIG_MAX_ANGLE * mode_time.minutes / 60) * (int32_t)(s_radius - HAND_MARGIN_OUTER) / TRIG_MAX_RATIO) + s_center.y, }; GPoint minute_hand_inner = (GPoint) { .x = (int16_t)(sin_lookup(TRIG_MAX_ANGLE * mode_time.minutes / 60) * (int32_t)HAND_MARGIN_INNER / TRIG_MAX_RATIO) + s_center.x, .y = (int16_t)(-cos_lookup(TRIG_MAX_ANGLE * mode_time.minutes / 60) * (int32_t)HAND_MARGIN_INNER / TRIG_MAX_RATIO) + s_center.y, }; GPoint hour_hand_outer = (GPoint) { .x = (int16_t)(sin_lookup(hour_angle) * (int32_t)(s_radius - HAND_MARGIN_OUTER - (0.3 * s_radius)) / TRIG_MAX_RATIO) + s_center.x, .y = (int16_t)(-cos_lookup(hour_angle) * (int32_t)(s_radius - HAND_MARGIN_OUTER - (0.3 * s_radius)) / TRIG_MAX_RATIO) + s_center.y, }; GPoint hour_hand_inner = (GPoint) { .x = (int16_t)(sin_lookup(hour_angle) * (int32_t)HAND_MARGIN_INNER / TRIG_MAX_RATIO) + s_center.x, .y = (int16_t)(-cos_lookup(hour_angle) * (int32_t)HAND_MARGIN_INNER / TRIG_MAX_RATIO) + s_center.y, }; // Draw hands with positive length only if((s_radius - HAND_MARGIN_OUTER) > HAND_MARGIN_INNER) { if(s_radius > 2 * HAND_MARGIN_OUTER) { graphics_context_set_stroke_color(ctx, gcolorh); graphics_context_set_stroke_width(ctx, HAND_WIDTH); graphics_draw_line(ctx, hour_hand_inner, hour_hand_outer); } if(s_radius > HAND_MARGIN_OUTER) { graphics_context_set_stroke_color(ctx, gcolorm); graphics_context_set_stroke_width(ctx, HAND_WIDTH); graphics_draw_line(ctx, minute_hand_inner, minute_hand_outer); } } graphics_context_set_fill_color(ctx, gcolorp); graphics_fill_circle(ctx, s_center, DOT_RADIUS); } static void window_load(Window *window) { Layer *window_layer = window_get_root_layer(window); GRect window_bounds = layer_get_bounds(window_layer); s_center = grect_center_point(&window_bounds); if (persist_exists(KEY_BG_COLOR)) { int colorbg = persist_read_int(KEY_BG_COLOR); gcolorbg = GColorFromHEX(colorbg); } else { gcolorbg=GColorBlack; } if (persist_exists(KEY_MINUTE_COLOR)) { int colorm = persist_read_int(KEY_MINUTE_COLOR); gcolorm = GColorFromHEX(colorm); } else { gcolorm=GColorWhite; } if (persist_exists(KEY_HOUR_COLOR)) { int colorh = persist_read_int(KEY_HOUR_COLOR); gcolorh = GColorFromHEX(colorh); } else { gcolorh=GColorRed; } if (persist_exists(KEY_PEG_COLOR)) { int colorp = persist_read_int(KEY_PEG_COLOR); gcolorp = GColorFromHEX(colorp); } else { gcolorp=GColorDarkGray; } s_canvas_layer = layer_create(window_bounds); layer_set_update_proc(s_canvas_layer, update_proc); layer_add_child(window_layer, s_canvas_layer); } static void window_unload(Window *window) { layer_destroy(s_canvas_layer); } /*********************************** App **************************************/ static int anim_percentage(AnimationProgress dist_normalized, int max) { return (int)(float)(((float)dist_normalized / (float)ANIMATION_NORMALIZED_MAX) * (float)max); } static void radius_update(Animation *anim, AnimationProgress dist_normalized) { s_radius = anim_percentage(dist_normalized, FINAL_RADIUS); layer_mark_dirty(s_canvas_layer); } static void init() { srand(time(NULL)); time_t t = time(NULL); struct tm *time_now = localtime(&t); tick_handler(time_now, MINUTE_UNIT); s_main_window = window_create(); window_set_window_handlers(s_main_window, (WindowHandlers) { .load = window_load, .unload = window_unload, }); window_stack_push(s_main_window, true); tick_timer_service_subscribe(MINUTE_UNIT, tick_handler); app_message_register_inbox_received(inbox_received_handler); app_message_open(app_message_inbox_size_maximum(), app_message_outbox_size_maximum()); // Prepare animations AnimationImplementation radius_impl = { .update = radius_update }; animate(ANIMATION_DURATION, ANIMATION_DELAY, &radius_impl, false); } static void deinit() { window_destroy(s_main_window); } int main() { init(); app_event_loop(); deinit(); }