void update_clock_area_layer(Layer *l, GContext* ctx) {
// check layer bounds
GRect bounds = layer_get_unobstructed_bounds(l);
#ifdef PBL_ROUND
bounds = GRect(0, ROUND_VERTICAL_PADDING, screen_rect.size.w, screen_rect.size.h - ROUND_VERTICAL_PADDING * 2);
#endif
// initialize FCTX, the fancy 3rd party drawing library that all the cool kids use
FContext fctx;
fctx_init_context(&fctx, ctx);
fctx_set_color_bias(&fctx, 0);
fctx_set_fill_color(&fctx, globalSettings.timeColor);
// calculate font size
int font_size = 4 * bounds.size.h / 7;
// avenir + avenir bold metrics
int v_padding = bounds.size.h / 16;
int h_adjust = 0;
int v_adjust = 0;
// alternate metrics for LECO
if(globalSettings.clockFontId == FONT_SETTING_LECO) {
font_size = 4 * bounds.size.h / 7 + 6;
v_padding = bounds.size.h / 20;
h_adjust = -4;
v_adjust = 0;
// leco looks awful with antialiasing
#ifdef PBL_COLOR
fctx_enable_aa(false);
#endif
} else {
#ifdef PBL_COLOR
fctx_enable_aa(true);
#endif
}
// if it's a round watch, EVERYTHING CHANGES
#ifdef PBL_ROUND
v_adjust = ROUND_VERTICAL_PADDING;
if(globalSettings.clockFontId != FONT_SETTING_LECO) {
h_adjust = -1;
}
#else
// for rectangular watches, adjust X position based on sidebar position
if(globalSettings.sidebarOnLeft) {
h_adjust += ACTION_BAR_WIDTH / 2;
} else {
h_adjust -= ACTION_BAR_WIDTH / 2 + 1;
}
#endif
FPoint time_pos;
fctx_begin_fill(&fctx);
fctx_set_text_em_height(&fctx, hours_font, font_size);
fctx_set_text_em_height(&fctx, minutes_font, font_size);
// draw hours
time_pos.x = INT_TO_FIXED(bounds.size.w / 2 + h_adjust);
time_pos.y = INT_TO_FIXED(v_padding + v_adjust);
fctx_set_offset(&fctx, time_pos);
fctx_draw_string(&fctx, time_hours, hours_font, GTextAlignmentCenter, FTextAnchorTop);
//draw minutes
time_pos.y = INT_TO_FIXED(bounds.size.h - v_padding + v_adjust);
fctx_set_offset(&fctx, time_pos);
fctx_draw_string(&fctx, time_minutes, minutes_font, GTextAlignmentCenter, FTextAnchorBaseline);
fctx_end_fill(&fctx);
fctx_deinit_context(&fctx);
}
void on_layer_update(Layer* layer, GContext* ctx) {
GRect bounds = layer_get_bounds(layer);
FPoint center = FPointI(bounds.size.w / 2, bounds.size.h / 2);
int16_t outer_radius = bounds.size.w / 2 - BEZEL_INSET;
int16_t pip_size = 6;
int32_t minute_angle = g_local_time.tm_min * TRIG_MAX_ANGLE / 60;
int32_t hour_angle = (g_local_time.tm_hour % 12) * TRIG_MAX_ANGLE / 12
+ g_local_time.tm_min * TRIG_MAX_ANGLE / (12 * 60);
char date_string[3];
strftime(date_string, sizeof date_string, "%d", &g_local_time);
FContext fctx;
fctx_init_context(&fctx, ctx);
fctx_set_color_bias(&fctx, 0);
fctx_set_fill_color(&fctx, GColorBlack);
/* Draw the pips. */
fixed_t bar_length = INT_TO_FIXED(pip_size);
fixed_t dot_radius = INT_TO_FIXED(pip_size - 4) / 2;
fixed_t pips_radius = INT_TO_FIXED(outer_radius) - INT_TO_FIXED(pip_size) / 2;
fctx_begin_fill(&fctx);
fctx_set_pivot(&fctx, FPoint(0, pips_radius));
fctx_set_offset(&fctx, center);
for (int m = 0; m < 60; ++m) {
int32_t angle = m * TRIG_MAX_ANGLE / 60;
if (0 == m % 5) {
fixed_t pipw = (m % 15 == 0) ? INT_TO_FIXED(2) : INT_TO_FIXED(1);
fctx_set_rotation(&fctx, angle);
fctx_move_to(&fctx, FPoint(-pipw, -bar_length / 2));
fctx_line_to(&fctx, FPoint( pipw, -bar_length / 2));
fctx_line_to(&fctx, FPoint( pipw, bar_length / 2));
fctx_line_to(&fctx, FPoint(-pipw, bar_length / 2));
fctx_close_path(&fctx);
} else {
FPoint p = clockToCartesian(center, pips_radius, angle);
fctx_plot_circle(&fctx, &p, dot_radius);
}
}
fctx_end_fill(&fctx);
/* Set up for drawing the hands. */
int16_t from_size = 90;
int16_t to_size = outer_radius - pip_size;
fctx_set_scale(&fctx, FPoint(from_size, from_size), FPoint(to_size, to_size));
fctx_set_pivot(&fctx, FPointI(90, 90));
fctx_set_offset(&fctx, center);
/* Draw the hour hand. */
fctx_begin_fill(&fctx);
fctx_set_fill_color(&fctx, GColorDarkGray);
fctx_set_rotation(&fctx, hour_angle);
fctx_draw_commands(&fctx, FPointZero, g_hour->data, g_hour->size);
fctx_end_fill(&fctx);
/* Draw the minute hand. */
fctx_begin_fill(&fctx);
fctx_set_fill_color(&fctx, GColorBlack);
fctx_set_rotation(&fctx, minute_angle);
fctx_draw_commands(&fctx, FPointZero, g_minute->data, g_minute->size);
fctx_end_fill(&fctx);
/* Draw the body. */
fctx_begin_fill(&fctx);
fctx_set_fill_color(&fctx, GColorBlack);
fctx_set_rotation(&fctx, 0);
fctx_draw_commands(&fctx, FPointZero, g_body->data, g_body->size);
fctx_end_fill(&fctx);
/* Draw the date. */
FPoint date_pos;
date_pos.x = center.x + INT_TO_FIXED( 5) * to_size / from_size;
date_pos.y = center.y + INT_TO_FIXED(48) * to_size / from_size;
fctx_begin_fill(&fctx);
fctx_set_text_em_height(&fctx, g_font, 30 * to_size / from_size);
fctx_set_fill_color(&fctx, GColorWhite);
fctx_set_pivot(&fctx, FPointZero);
fctx_set_offset(&fctx, date_pos);
fctx_set_rotation(&fctx, -5 * TRIG_MAX_ANGLE / (2*360));
fctx_draw_string(&fctx, date_string, g_font, GTextAlignmentCenter, FTextAnchorBaseline);
fctx_end_fill(&fctx);
fctx_deinit_context(&fctx);
}