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Pebble-Time-Watchface-Super-Simple
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Pebble-Time-Watchface-Super.../src/main.c

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#include <pebble.h>
#define KEY_BG_COLOR 0
#define KEY_MINUTE_COLOR 1
#define KEY_HOUR_COLOR 2
#define KEY_PEG_COLOR 3
#define KEY_SHADOWS 4
#define KEY_TICKS 5
#define KEY_TICK_COLOR 6
#define KEY_RECT_TICKS 7
#define ANTIALIASING true
#define HAND_WIDTH 7
#define TICK_RADIUS 3
#define DOT_RADIUS HAND_WIDTH/4
#define HAND_MARGIN_M 16
#define HAND_MARGIN_H 42
#define SHADOW_OFFSET 2
#define ANIMATION_DURATION 750
#define ANIMATION_DELAY 0
static 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};
// alpha should only be 0b??111111 where ?? = 00 (full shade), 01 (much shade), 10 (some shade), 11 (none shade)
static uint8_t alpha = 0b10111111;
typedef struct {
int hours;
int minutes;
} Time;
static Window *s_main_window;
static Layer *bg_canvas_layer, *s_canvas_layer;
static GPoint s_center;
static Time s_last_time;
static int animpercent = 0, ticks;
static bool s_animating = false, shadows = true, debug = false, rectticks = true;
static GColor gcolorbg, gcolorm, gcolorh, gcolorp, gcolorshadow, gcolort;
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);
Tuple *shadows_t = dict_find(iter, KEY_SHADOWS);
Tuple *ticknum_t = dict_find(iter, KEY_TICKS);
Tuple *colort_t = dict_find(iter, KEY_TICK_COLOR);
Tuple *rectticks_t = dict_find(iter, KEY_RECT_TICKS);
if(colorbg_t) {
int colorbg = colorbg_t->value->int32;
persist_write_int(KEY_BG_COLOR, colorbg);
gcolorbg = GColorFromHEX(colorbg);
gcolorshadow = (GColor8) shadowtable[alpha & gcolorbg.argb];
}
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(shadows_t && shadows_t->value->int8 > 0) {
persist_write_bool(KEY_SHADOWS, true);
shadows = true;
} else {
persist_write_bool(KEY_SHADOWS, false);
shadows = false;
}
if(ticknum_t) {
ticks = ticknum_t->value->uint8;
persist_write_int(KEY_TICKS, ticks);
}
if(colort_t) {
int colort = colort_t->value->int32;
persist_write_int(KEY_TICK_COLOR, colort);
gcolort = GColorFromHEX(colort);
}
if(rectticks_t && rectticks_t->value->int8 > 0) {
persist_write_bool(KEY_RECT_TICKS, true);
rectticks = true;
} else {
persist_write_bool(KEY_RECT_TICKS, false);
rectticks = false;
}
if(bg_canvas_layer) {
layer_mark_dirty(s_canvas_layer);
}
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
// dummy time in emulator
if (watch_info_get_model()==WATCH_INFO_MODEL_UNKNOWN) {
s_last_time.hours = 0;
s_last_time.minutes = tick_time->tm_sec;
} else {
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 int32_t get_angle_for_minute(int minute) {
// Progress through 60 minutes, out of 360 degrees
return ((minute * 360) / 60);
}
static int32_t get_angle_for_hour(int hour, int minute) {
// Progress through 12 hours, out of 360 degrees
return (((hour * 360) / 12)+(get_angle_for_minute(minute)/12));
}
static void bg_update_proc(Layer *layer, GContext *ctx) {
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);
if (ticks > 0) {
graphics_context_set_fill_color(ctx, gcolort);
#if defined(PBL_RECT)
if (rectticks) {
int dist_v = 39;
int dist_h = 46;
int halfwidth = (bounds.size.w/2)-1;
int halfheight = (bounds.size.h/2)-1;
switch (ticks) {
case 12:
graphics_fill_circle(ctx, GPoint(halfwidth+dist_h, 4), TICK_RADIUS/2); // 1
graphics_fill_circle(ctx, GPoint(halfwidth-dist_h, 4), TICK_RADIUS/2); // 11
graphics_fill_circle(ctx, GPoint(halfwidth+dist_h, (bounds.size.h-5)), TICK_RADIUS/2); // 5
graphics_fill_circle(ctx, GPoint(halfwidth-dist_h, (bounds.size.h-5)), TICK_RADIUS/2); // 7
graphics_fill_circle(ctx, GPoint((bounds.size.w-5), halfheight-dist_v), TICK_RADIUS/2); // 2
graphics_fill_circle(ctx, GPoint((bounds.size.w-5), halfheight+dist_v), TICK_RADIUS/2); // 4
graphics_fill_circle(ctx, GPoint(4, halfheight-dist_v), TICK_RADIUS/2); // 10
graphics_fill_circle(ctx, GPoint(4, halfheight+dist_v), TICK_RADIUS/2); // 8
case 4:
graphics_fill_circle(ctx, GPoint(halfwidth, (bounds.size.h-3)), TICK_RADIUS); // 6
graphics_fill_circle(ctx, GPoint((bounds.size.w-3), halfheight), TICK_RADIUS); // 3
graphics_fill_circle(ctx, GPoint(2, halfheight), TICK_RADIUS); // 9
case 1:
default:
graphics_fill_circle(ctx, GPoint(halfwidth, 2), TICK_RADIUS); // 12
break;
}
} else {
#endif
GRect insetbounds = grect_inset(bounds, GEdgeInsets(2));
GRect insetbounds12 = grect_inset(bounds, GEdgeInsets(4));
for(int i = 0; i < ticks; i++) {
int hour_angle = (i * 360) / ticks;
if (ticks == 12 && i%3!=0) {
GPoint pos = gpoint_from_polar(insetbounds12, GOvalScaleModeFitCircle , DEG_TO_TRIGANGLE(hour_angle));
graphics_fill_circle(ctx, pos, TICK_RADIUS/2);
} else {
GPoint pos = gpoint_from_polar(insetbounds, GOvalScaleModeFitCircle , DEG_TO_TRIGANGLE(hour_angle));
graphics_fill_circle(ctx, pos, TICK_RADIUS);
}
}
#if defined(PBL_RECT)
}
#endif
}
}
static void update_proc(Layer *layer, GContext *ctx) {
GRect bounds = layer_get_bounds(layer);
GRect bounds_h = bounds;
bounds_h.size.w = bounds_h.size.h;
bounds_h.origin.x -= (bounds_h.size.w-bounds.size.w)/2;
int maxradius = bounds_h.size.w;
if (bounds_h.size.h < maxradius) { maxradius = bounds_h.size.h; }
maxradius /= 2;
int animradius = maxradius-((maxradius*animpercent)/100);
#if defined(PBL_RECT)
int platform_margin_m = (HAND_MARGIN_M/1.5);
#elif defined(PBL_ROUND)
int platform_margin_m = HAND_MARGIN_M;
#endif
int outer_m = animradius+platform_margin_m;
int outer_h = animradius+HAND_MARGIN_H;
if (outer_m < platform_margin_m) {
outer_m = platform_margin_m;
}
if (outer_h < HAND_MARGIN_H) {
outer_h = HAND_MARGIN_H;
}
if (outer_m > maxradius) {
outer_m = maxradius;
}
if (outer_h > maxradius) {
outer_h = maxradius;
}
GRect bounds_mo = grect_inset(bounds_h, GEdgeInsets(outer_m));
GRect bounds_ho = grect_inset(bounds_h, GEdgeInsets(outer_h));
graphics_context_set_antialiased(ctx, ANTIALIASING);
// Use current time while animating
Time mode_time = s_last_time;
// Adjust for minutes through the hour
float hour_deg = get_angle_for_hour(mode_time.hours, mode_time.minutes);
float minute_deg = get_angle_for_minute(mode_time.minutes);
GPoint minute_hand_outer = gpoint_from_polar(bounds_mo, GOvalScaleModeFillCircle, DEG_TO_TRIGANGLE(minute_deg));
GPoint hour_hand_outer = gpoint_from_polar(bounds_ho, GOvalScaleModeFillCircle, DEG_TO_TRIGANGLE(hour_deg));
if(shadows) {
graphics_context_set_stroke_color(ctx, gcolorshadow);
graphics_context_set_stroke_width(ctx, HAND_WIDTH);
hour_hand_outer.y += SHADOW_OFFSET;
s_center.y += SHADOW_OFFSET;
graphics_draw_line(ctx, s_center, hour_hand_outer);
minute_hand_outer.y += SHADOW_OFFSET+1;
s_center.y += 1;
graphics_draw_line(ctx, s_center, minute_hand_outer);
hour_hand_outer.y -= SHADOW_OFFSET;
minute_hand_outer.y -= SHADOW_OFFSET+1;
s_center.y -= SHADOW_OFFSET+1;
}
graphics_context_set_stroke_color(ctx, gcolorh);
graphics_context_set_stroke_width(ctx, HAND_WIDTH);
graphics_draw_line(ctx, s_center, hour_hand_outer);
graphics_context_set_stroke_color(ctx, gcolorm);
graphics_context_set_stroke_width(ctx, HAND_WIDTH);
graphics_draw_line(ctx, s_center, 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);
s_center.x -= 1;
s_center.y -= 1;
if (persist_exists(KEY_BG_COLOR)) {
int colorbg = persist_read_int(KEY_BG_COLOR);
gcolorbg = GColorFromHEX(colorbg);
} else {
gcolorbg = GColorBlack;
}
gcolorshadow = (GColor8) shadowtable[alpha & gcolorbg.argb];
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;
}
if (persist_exists(KEY_SHADOWS)) {
shadows = persist_read_bool(KEY_SHADOWS);
} else {
shadows = false;
}
if (persist_exists(KEY_TICKS)) {
ticks = persist_read_int(KEY_TICKS);
} else {
ticks = 0;
}
if (persist_exists(KEY_TICK_COLOR)) {
int colort = persist_read_int(KEY_TICK_COLOR);
gcolort = GColorFromHEX(colort);
} else {
gcolort = GColorWhite;
}
if (persist_exists(KEY_RECT_TICKS)) {
rectticks = persist_read_bool(KEY_RECT_TICKS);
} else {
rectticks = false;
}
bg_canvas_layer = layer_create(window_bounds);
s_canvas_layer = layer_create(window_bounds);
layer_set_update_proc(bg_canvas_layer, bg_update_proc);
layer_set_update_proc(s_canvas_layer, update_proc);
layer_add_child(window_layer, bg_canvas_layer);
layer_add_child(bg_canvas_layer, s_canvas_layer);
}
static void window_unload(Window *window) {
layer_destroy(bg_canvas_layer);
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) {
animpercent = anim_percentage(dist_normalized, 100);
layer_mark_dirty(s_canvas_layer);
}
static void init() {
srand(time(NULL));
// keep lit only in emulator
if (watch_info_get_model()==WATCH_INFO_MODEL_UNKNOWN) {
debug = true;
}
time_t t = time(NULL);
struct tm *time_now = localtime(&t);
if (debug) {
tick_handler(time_now, SECOND_UNIT);
} else {
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);
if (debug) {
tick_timer_service_subscribe(SECOND_UNIT, tick_handler);
} else {
tick_timer_service_subscribe(MINUTE_UNIT, tick_handler);
}
if (debug) {
light_enable(true);
}
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();
}
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