static void paint_clock(ClockIcon *aIcon, GContext *aCtx, GRect r, GPoint aCenter, int32_t aRadius, bool aAnimating, bool aZoomedIn) {
// background
if (aAnimating) {
graphics_context_set_stroke_color(aCtx, GColorWhite);
for (int32_t i = 0; i < 60; ++i) {
int32_t len1 = aRadius;
int32_t len2 = (i % 5 == 0)
? CLOCK_HOUR_MARK_START_LENGTH(aRadius)
: CLOCK_MIN_MARK_START_LENGTH(aRadius);
int32_t angle = TRIG_MAX_ANGLE * i / 60.f;
draw_angle_line(aCtx, aCenter, angle, len1, len2,
(i % 5 == 0) ? LineWidth2 : LineWidth1);
}
graphics_context_set_fill_color(aCtx, GColorWhite);
graphics_context_set_stroke_color(aCtx, GColorWhite);
} else {
graphics_context_set_fill_color(aCtx, GColorWhite);
graphics_fill_circle(aCtx, aCenter, aRadius);
graphics_context_set_fill_color(aCtx, GColorBlack);
graphics_context_set_stroke_color(aCtx, GColorBlack);
}
clock_icon_data *data = layer_get_data(aIcon);
int32_t h = data->h;
int32_t m = data->m;
int32_t s = data->s;
// hour hand
draw_clock_hand(aCtx, aCenter, aRadius, aZoomedIn,
CLOCK_HOUR_HAND_LENGTH(aRadius),
TRIG_MAX_ANGLE * (h + m / 60.f) / 12.f);
// minutes hand
draw_clock_hand(aCtx, aCenter, aRadius, aZoomedIn,
CLOCK_MIN_HAND_LENGTH(aRadius),
TRIG_MAX_ANGLE * (m + s / 60.f) / 60.f);
if (aZoomedIn) {
graphics_draw_circle(aCtx, aCenter, CLOCK_CENTER_RADIUS - 1);
}
if (!aAnimating && !aZoomedIn && !clock_icon_shows_second_hand()) {
// don't draw second hand if preffed off.
return;
}
// seconds hand
int32_t secLength = CLOCK_SEC_HAND_LENGTH(aRadius);
int32_t secAngle = TRIG_MAX_ANGLE * s / 60.f;
#ifdef PBL_COLOR
graphics_context_set_stroke_color(aCtx, GColorChromeYellow);
#endif
if (aZoomedIn) {
draw_angle_line(aCtx, aCenter, secAngle, CLOCK_CENTER_RADIUS, secLength, LineWidth1);
} else {
draw_angle_line(aCtx, aCenter, secAngle, 0, secLength, LineWidth1);
}
}
// canvas::draw overridable
virtual void draw( HELEMENT he, graphics& gx, UINT width, UINT height )
{
SYSTEMTIME st;
GetLocalTime(&st);
//Use GetSystemTime(&st); - if you need clocks in UTC or other TZ
//you may use something like get_attribute("timezone")
const wchar_t* caption = dom::element(he).get_attribute("caption");
if( caption )
draw_caption( he, gx, width, height, aux::chars_of(caption) );
draw_clock_hand(he, gx,width,height, (st.wHour * 360.0) / 12.0 + st.wMinute / 2.0, 0);
draw_clock_hand(he, gx,width,height, (st.wMinute * 360.0) / 60.0, 1);
draw_clock_hand(he, gx,width,height, (st.wSecond * 360.0) / 60.0, 2);
}
virtual BOOL on_draw (HELEMENT he, UINT draw_type, HDC hdc, const RECT& rc )
{
if( draw_type != DRAW_CONTENT )
return FALSE; /*do default draw*/
// we can get color settings from attributes but for simplicity lets use
// default values
SYSTEMTIME st;
GetLocalTime(&st);
//Use GetSystemTime(&st); - if you need clocks in UTC or other TZ
//you may use something like get_attribute("timezone")
draw_clock_hand(hdc,rc, (st.wHour * 360.0) / 12.0 + st.wMinute / 2.0, 0);
draw_clock_hand(hdc,rc, (st.wMinute * 360.0) / 60.0, 1);
draw_clock_hand(hdc,rc, (st.wSecond * 360.0) / 60.0, 2);
return TRUE; /*skip default draw as we did it already*/
}
