gergely/wl-seasonal-hours-clock
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Add UTC hours to the watch face

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Gergely Polonkai 2022-05-18 05:44:07 +02:00
parent c2ef71ed92
commit fc40b1a8db
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GPG Key ID: 2D2885533B869ED4
1 changed files with 61 additions and 0 deletions
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61
src/main.rs
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@ -23,6 +23,43 @@ fn time_to_degrees(timestamp: i32, // should be time/timestamp
seconds_to_degrees(timestamp)
}
fn hour_marker(
hour: i32,
image_width: u32,
outer_r: f32,
ring_width: f32,
utc_hour_font_size: f32,
) -> Group {
let rotation = hour * 15;
let utc_hour_y = image_width as f32 / 2.0 - outer_r + ring_width + utc_hour_font_size;
let utc_hour_text = Text::new()
.set("class", "utc")
.set(
"transform",
format!("rotate(-7.5, {}, {})", image_width / 2, image_width / 2),
)
.set("x", image_width / 2)
.set("y", utc_hour_y)
.set("text-anchor", "middle")
.set("dominant-baseline", "mathematical")
.set("font-size", utc_hour_font_size)
.add(TextNode::new(format!("U {:02}", hour)));
Group::new()
.set("class", "hour")
.set(
"transform",
format!(
"rotate({}, {}, {})",
rotation as f32 - 172.5,
image_width / 2,
image_width / 2
),
)
.add(utc_hour_text)
}
fn get_moon_path(image_width: u32, radius: f32, moon_phase: f64) -> Path {
let handle_x_pos = radius as f64 * 1.34;
let handle_y_pos = radius * 0.88;
@ -66,6 +103,7 @@ fn get_moon_path(image_width: u32, radius: f32, moon_phase: f64) -> Path {
fn gen_svg() -> Document {
// These should be calculated
let local_timestamp = Local::now();
let utc_offset = local_timestamp.offset().local_minus_utc();
let local_time = local_timestamp.time().num_seconds_from_midnight() as i32;
// TODO: These should be calculated instead of hardcoded
@ -78,6 +116,7 @@ fn gen_svg() -> Document {
let moon_phase = moon_illumination.phase * 28.0;
let local_hour_font_size = 16.5;
let utc_hour_font_size = image_width as f32 * 0.021462;
let hour_name_font_size = 13.37699;
let outer_r = (image_width as f32) / 2.0 - 3.0 * hour_name_font_size;
let ring_width = hour_name_font_size * 3.0;
@ -90,6 +129,7 @@ fn gen_svg() -> Document {
let stylesheet = Style::new(
"\
#border {stroke: none; fill: rgb(19, 17, 30); }
.hour text.utc {stroke: none; fill: rgb(91, 68, 38);}
.local-hour {stroke: none; fill: rgb(238, 187, 85);}
.moon-background {stroke: rgb(170, 170, 170); stroke-width: 2px; fill: rgb(19, 17, 30);}
.moon {stroke: none; fill: rgb(170, 170, 170);}
@ -119,6 +159,26 @@ fn gen_svg() -> Document {
local_clock = local_clock.add(hour_node);
}
let mut seasonal_clock = Group::new().set(
"transform",
format!(
"rotate({}, {}, {})",
seconds_to_degrees(utc_offset),
image_width / 2,
image_width / 2
),
);
for hour in 0i32..24 {
seasonal_clock = seasonal_clock.add(hour_marker(
hour,
image_width,
outer_r,
ring_width,
utc_hour_font_size,
));
}
let moon_circle = Circle::new()
.set("class", "moon-background")
.set("cx", image_width / 2)
@ -158,6 +218,7 @@ fn gen_svg() -> Document {
.add(stylesheet)
.add(border)
.add(local_clock)
.add(seasonal_clock)
.add(moon_group)
.add(dial)
}