gergely/wl-seasonal-hours-clock
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Cache UTC hour labels

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Gergely Polonkai 2022-05-23 13:45:14 +02:00
parent f567362c29
commit e61c247915
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GPG Key ID: 2D2885533B869ED4
4 changed files with 64 additions and 53 deletions
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1
Cargo.lock generated
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@ -846,6 +846,7 @@ version = "0.1.0"
dependencies = [
"calloop",
"chrono",
"rctree",
"resvg",
"serde",
"smithay-client-toolkit",

1
Cargo.toml
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@ -16,3 +16,4 @@ serde = { version = "1.0", features = ["derive"] }
xdg = "2.4"
calloop = "0.9"
xmlwriter = "0.1"
rctree = "0.4"

28
src/main.rs
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@ -70,7 +70,7 @@ fn time_to_degrees(timestamp: i32, // should be time/timestamp
fn hour_marker(
hour: i32,
hour_name_path_data: &PathData,
hour_name_path_data: &(PathData, PathData),
is_current_hour: bool,
) -> Group {
let season = match hour {
@ -93,8 +93,6 @@ fn hour_marker(
let x1 = IMAGE_WIDTH as f32 / 2.0 - delta_x;
let y1 = (IMAGE_WIDTH as f32 / 2.0 - OUTER_R) + delta_y;
let utc_hour_y = IMAGE_WIDTH as f32 / 2.0 - OUTER_R + RING_WIDTH + UTC_HOUR_FONT_SIZE;
let path_data = PathData::new()
.move_to((x1, y1))
.elliptical_arc_by((OUTER_R, OUTER_R, 15, 0, 1, 2.0 * delta_x, 0))
@ -112,20 +110,10 @@ fn hour_marker(
let path = Path::new().set("class", "hour-outline").set("d", path_data);
let hour_name_path = Path::new()
.set("class", "hour-name")
.set("d", hour_name_path_data.clone());
let utc_hour_text = Text::new()
.set("d", hour_name_path_data.0.clone());
let utc_hour_path = Path::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)));
.set("d", hour_name_path_data.1.clone());
Group::new()
.set(
@ -146,7 +134,7 @@ fn hour_marker(
)
.add(path)
.add(hour_name_path)
.add(utc_hour_text)
.add(utc_hour_path)
}
fn get_range_path(radius: f32, range_name: &str, start_time: i32, end_time: i32) -> Path {
@ -219,7 +207,7 @@ fn get_moon_path(radius: f32, moon_phase: f64) -> Path {
Path::new().set("class", "moon").set("d", path_data)
}
fn gen_svg(config: &Option<Config>, hour_name_path_cache: &[PathData; 24]) -> Document {
fn gen_svg(config: &Option<Config>, hour_name_path_cache: &[(PathData, PathData); 24]) -> Document {
let local_timestamp = Local::now();
let utc_hour = local_timestamp.with_timezone(&Utc).time().hour();
let local_hour = local_timestamp.time().hour();
@ -251,7 +239,7 @@ fn gen_svg(config: &Option<Config>, hour_name_path_cache: &[PathData; 24]) -> Do
#border {stroke: none; fill: rgb(19, 17, 30); }
.hour path.hour-outline {stroke: rgb(0, 0, 0); stroke-width: 2px;}
.hour path.hour-name {stroke: none; fill: rgb(238, 187, 85);}
.hour text.utc {stroke: none; fill: rgb(91, 68, 38);}
.hour path.utc {stroke: none; fill: rgb(91, 68, 38);}
.winter path {fill: rgb(70, 62, 108);}
.active.winter path.hour-outline {fill: rgb(100, 92, 138);}
.spring path {fill: rgb(55, 87, 55);}
@ -715,7 +703,7 @@ fn redraw(
surface: &wl_surface::WlSurface,
(buf_x, buf_y): (u32, u32),
config: &Option<Config>,
hour_name_path_cache: &[PathData; 24],
hour_name_path_cache: &[(PathData, PathData); 24],
) -> Result<(), ::std::io::Error> {
let document = gen_svg(config, hour_name_path_cache);
let svg_tree = svg_to_usvg(document);

85
src/svg_clock.rs
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@ -1,3 +1,4 @@
use rctree::Node;
use svg::{
node::{
element::{path::Data as PathData, Definitions, Path, Text, TextPath},
@ -48,19 +49,32 @@ fn hour_name_path() -> Path {
Path::new().set("id", "hour-name-path").set("d", path_data)
}
fn create_temp_document(hour_name: &str) -> Document {
fn create_temp_document(hour: usize) -> Document {
let definitions = Definitions::new().add(hour_name_path());
let utc_hour_y = IMAGE_WIDTH as f32 / 2.0 - OUTER_R + RING_WIDTH + UTC_HOUR_FONT_SIZE;
let hour_name_text_path = TextPath::new()
.set("xlink:href", "#hour-name-path")
.set("startOffset", "50%")
.add(TextNode::new(hour_name));
.add(TextNode::new(HOUR_NAMES[hour]));
let hour_name_text = Text::new()
.set("id", "hour-name")
.set("text-anchor", "middle")
.set("dominant-baseline", "mathematical")
.set("font-size", HOUR_NAME_FONT_SIZE)
.add(hour_name_text_path);
let utc_hour_text = Text::new()
.set("id", "utc-hour")
.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)));
Document::new()
.set("viewBox", (0i32, 0i32, 700i32, 700i32))
@ -69,13 +83,13 @@ fn create_temp_document(hour_name: &str) -> Document {
.set("xmlns:xlink", "http://www.w3.org/1999/xlink")
.add(definitions)
.add(hour_name_text)
.add(utc_hour_text)
}
fn cache_hour_name_path(hour_name: &str) -> PathData {
let tree = svg_to_usvg(create_temp_document(hour_name));
let mut svg_path_data: PathData = PathData::new();
let text_node = tree.node_by_id("hour-name").unwrap();
match *text_node.borrow() {
fn node_to_path(node: Node<usvg::NodeKind>) -> PathData {
let mut svg_path_data = PathData::new();
match *node.borrow() {
usvg::NodeKind::Path(ref path) => {
let path_data = &path.data;
for segment in path_data.0.iter() {
@ -110,31 +124,38 @@ fn cache_hour_name_path(hour_name: &str) -> PathData {
svg_path_data
}
pub fn cache_hour_name_paths() -> [PathData; 24] {
fn cache_hour_name_path(hour: usize) -> (PathData, PathData) {
let tree = svg_to_usvg(create_temp_document(hour));
let text_node = tree.node_by_id("hour-name").unwrap();
let utc_text_node = tree.node_by_id("utc-hour").unwrap();
(node_to_path(text_node), node_to_path(utc_text_node))
}
pub fn cache_hour_name_paths() -> [(PathData, PathData); 24] {
[
cache_hour_name_path(HOUR_NAMES[0]),
cache_hour_name_path(HOUR_NAMES[1]),
cache_hour_name_path(HOUR_NAMES[2]),
cache_hour_name_path(HOUR_NAMES[3]),
cache_hour_name_path(HOUR_NAMES[4]),
cache_hour_name_path(HOUR_NAMES[5]),
cache_hour_name_path(HOUR_NAMES[6]),
cache_hour_name_path(HOUR_NAMES[7]),
cache_hour_name_path(HOUR_NAMES[8]),
cache_hour_name_path(HOUR_NAMES[9]),
cache_hour_name_path(HOUR_NAMES[10]),
cache_hour_name_path(HOUR_NAMES[11]),
cache_hour_name_path(HOUR_NAMES[12]),
cache_hour_name_path(HOUR_NAMES[13]),
cache_hour_name_path(HOUR_NAMES[14]),
cache_hour_name_path(HOUR_NAMES[15]),
cache_hour_name_path(HOUR_NAMES[16]),
cache_hour_name_path(HOUR_NAMES[17]),
cache_hour_name_path(HOUR_NAMES[18]),
cache_hour_name_path(HOUR_NAMES[19]),
cache_hour_name_path(HOUR_NAMES[20]),
cache_hour_name_path(HOUR_NAMES[21]),
cache_hour_name_path(HOUR_NAMES[22]),
cache_hour_name_path(HOUR_NAMES[23]),
cache_hour_name_path(0),
cache_hour_name_path(1),
cache_hour_name_path(2),
cache_hour_name_path(3),
cache_hour_name_path(4),
cache_hour_name_path(5),
cache_hour_name_path(6),
cache_hour_name_path(7),
cache_hour_name_path(8),
cache_hour_name_path(9),
cache_hour_name_path(10),
cache_hour_name_path(11),
cache_hour_name_path(12),
cache_hour_name_path(13),
cache_hour_name_path(14),
cache_hour_name_path(15),
cache_hour_name_path(16),
cache_hour_name_path(17),
cache_hour_name_path(18),
cache_hour_name_path(19),
cache_hour_name_path(20),
cache_hour_name_path(21),
cache_hour_name_path(22),
cache_hour_name_path(23),
]
}