Improve box styling

Cargo.lock

@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6748e8def348ed4d14996fa801f4122cd763fff530258cdc03f64b25f89d3a5a"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "askama"
 version = "0.12.0"
@@ -77,8 +86,18 @@ version = "0.1.0"
 dependencies = [
  "askama",
  "derive_more",
+ "lazy_static",
+ "regex",
+ "strum",
+ "strum_macros",
 ]
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "humansize"
 version = "2.1.3"
@@ -88,6 +107,12 @@ dependencies = [
  "libm",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
 [[package]]
 name = "libm"
 version = "0.2.7"
@@ -165,6 +190,35 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81bc1d4caf89fac26a70747fe603c130093b53c773888797a6329091246d651a"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed1ceff11a1dddaee50c9dc8e4938bd106e9d89ae372f192311e7da498e3b69"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ea92a5b6195c6ef2a0295ea818b312502c6fc94dde986c5553242e18fd4ce2"
+
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
@@ -174,6 +228,12 @@ dependencies = [
  "semver",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+
 [[package]]
 name = "semver"
 version = "1.0.18"
@@ -200,6 +260,25 @@ dependencies = [
  "syn 2.0.28",
 ]
 
+[[package]]
+name = "strum"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290d54ea6f91c969195bdbcd7442c8c2a2ba87da8bf60a7ee86a235d4bc1e125"
+
+[[package]]
+name = "strum_macros"
+version = "0.25.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad8d03b598d3d0fff69bf533ee3ef19b8eeb342729596df84bcc7e1f96ec4059"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn 2.0.28",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"

dyesub-tool/Cargo.toml

@@ -6,3 +6,7 @@ edition = "2021"
 [dependencies]
 askama = "0.12.0"
 derive_more = "0.99.17"
+lazy_static = "1.4.0"
+regex = "1.9.3"
+strum = "0.25.0"
+strum_macros = "0.25.2"

dyesub-tool/src/main.rs

@@ -8,6 +8,12 @@ use std::{fs::OpenOptions, io::Write};
 #[derive(Template)]
 #[template(path = "document.xml")]
 struct DocumentTemplate {
+    dimensions: DocumentDimensions,
+    box_size: SVGMeasure,
+    positions: Vec<(SVGMeasure, SVGMeasure)>,
+}
+
+struct DocumentDimensions {
     width: SVGMeasure,
     height: SVGMeasure,
 }
@@ -18,16 +24,42 @@ enum Error {
     Template(askama::Error),
 }
 
+fn positions(
+    size: SVGMeasure,
+    padding: SVGMeasure,
+    dimensions: &DocumentDimensions,
+    count: u32,
+) -> Vec<(SVGMeasure, SVGMeasure)> {
+    let grid = size + padding;
+    let row_count = ((dimensions.width - padding * 2.0) / grid) as u32;
+    (0..count)
+        .map(|i| {
+            (
+                grid * (i % row_count).into() + padding,
+                grid * (i / row_count).into() + padding,
+            )
+        })
+        .collect()
+}
+
 fn main() -> Result<(), Error> {
     let mut file = OpenOptions::new()
         .write(true)
         .truncate(true)
         .create(true)
         .open("output.svg")?;
-    let document = DocumentTemplate {
+    let dimensions = DocumentDimensions {
         width: SVGMeasure::new(8.5, SVGUnit::Inch),
         height: SVGMeasure::new(11.0, SVGUnit::Inch),
     };
+    let box_size = SVGMeasure::new(14.0, SVGUnit::Millimeter);
+    let boxes = 54;
+    let padding = SVGMeasure::new(2.5, SVGUnit::Millimeter);
+    let document = DocumentTemplate {
+        positions: positions(box_size, padding, &dimensions, boxes),
+        dimensions,
+        box_size,
+    };
     write!(file, "{}", document.render()?)?;
     Ok(())
 }

dyesub-tool/src/svg/measure.rs

@@ -1,9 +1,16 @@
 use super::SVGUnit;
+use derive_more::From;
+use lazy_static::lazy_static;
+use regex::Regex;
+use std::cmp::Ordering;
 use std::fmt;
+use std::num::ParseFloatError;
+use std::str::FromStr;
 use std::{
     fmt::Display,
-    ops::{Add, Div, Mul, Sub},
+    ops::{Add, Div, Mul, Rem, Sub},
 };
+use strum::ParseError;
 
 #[derive(Debug, Clone, Copy)]
 pub struct SVGMeasure {
@@ -16,11 +23,11 @@ impl SVGMeasure {
         Self { measure, unit }
     }
 
-    fn to_user_units(&self) -> f64 {
+    fn to_user_units(self) -> f64 {
         self.measure * self.unit.to_user_units()
     }
 
-    fn to_unit(&self, unit: SVGUnit) -> Self {
+    fn to_unit(self, unit: SVGUnit) -> Self {
         SVGMeasure {
             measure: self.to_user_units() / unit.to_user_units(),
             unit,
@@ -28,15 +35,49 @@ impl SVGMeasure {
     }
 }
 
+#[derive(From, Debug)]
+pub enum SVGUnitParseError {
+    ParseMeasure(ParseFloatError),
+    ParseUnit(ParseError),
+    Invalid,
+}
+
+impl FromStr for SVGMeasure {
+    type Err = SVGUnitParseError;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        if s == "0" {
+            return Ok(SVGMeasure::new(0.0, SVGUnit::Pixel));
+        }
+        lazy_static! {
+            static ref RE: Regex = Regex::new(r"^([\d.]+)([a-zA-Z]+)$").unwrap();
+        }
+        if let Some(captures) = RE.captures(s) {
+            let measure = captures[1].parse::<f64>()?;
+            let unit = captures[2].parse::<SVGUnit>()?;
+            Ok(SVGMeasure::new(measure, unit))
+        } else {
+            Err(SVGUnitParseError::Invalid)
+        }
+    }
+}
+
 const EQ_TOLERANCE: f64 = 0.00001;
 
 impl PartialEq for SVGMeasure {
     fn eq(&self, other: &Self) -> bool {
         (self.to_user_units() - other.to_user_units()).abs() < EQ_TOLERANCE
     }
+}
 
-    fn ne(&self, other: &Self) -> bool {
-        (self.to_user_units() - other.to_user_units()).abs() > EQ_TOLERANCE
+impl PartialOrd for SVGMeasure {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(if self == other {
+            Ordering::Equal
+        } else if self.to_user_units() > other.to_user_units() {
+            Ordering::Greater
+        } else {
+            Ordering::Less
+        })
     }
 }
 
@@ -73,6 +114,14 @@ impl Mul<f64> for SVGMeasure {
     }
 }
 
+impl Div for SVGMeasure {
+    type Output = f64;
+
+    fn div(self, other: Self) -> Self::Output {
+        self.measure / other.to_unit(self.unit).measure
+    }
+}
+
 impl Div<f64> for SVGMeasure {
     type Output = Self;
 
@@ -81,3 +130,12 @@ impl Div<f64> for SVGMeasure {
         self
     }
 }
+
+impl Rem for SVGMeasure {
+    type Output = Self;
+
+    fn rem(mut self, other: Self) -> Self::Output {
+        self.measure %= other.to_unit(self.unit).measure;
+        self
+    }
+}

dyesub-tool/src/svg/tests.rs

@@ -1,3 +1,5 @@
+use std::str::FromStr;
+
 use crate::svg::{SVGMeasure, SVGUnit};
 
 #[test]
@@ -44,3 +46,21 @@ fn ne() {
     let b = SVGMeasure::new(10.0, SVGUnit::Pixel);
     assert_ne!(a, b);
 }
+
+#[test]
+fn cmp() {
+    let m_10cm = SVGMeasure::new(10.0, SVGUnit::Centimeter);
+    let m_5mm = SVGMeasure::new(5.0, SVGUnit::Millimeter);
+    assert!(m_10cm > m_5mm);
+    assert!(m_5mm < m_10cm);
+}
+
+#[test]
+fn from_str() {
+    let m_10cm = SVGMeasure::new(10.0, SVGUnit::Centimeter);
+    let m_5mm = SVGMeasure::new(5.0, SVGUnit::Millimeter);
+    let m_0 = SVGMeasure::new(0.0, SVGUnit::Pixel);
+    assert_eq!(m_10cm, SVGMeasure::from_str("10cm").unwrap());
+    assert_eq!(m_5mm, SVGMeasure::from_str("5mm").unwrap());
+    assert_eq!(m_0, SVGMeasure::from_str("0").unwrap());
+}

dyesub-tool/src/svg/unit.rs

@@ -1,50 +1,38 @@
-use std::fmt::{self, Display};
+use strum_macros::{Display, EnumString, IntoStaticStr};
 
 /// https://oreillymedia.github.io/Using_SVG/guide/units.html
-#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+#[derive(Clone, Copy, PartialEq, Eq, Debug, Display, EnumString, IntoStaticStr)]
 pub enum SVGUnit {
     /// Pixel units, directly equivalent to SVG user units.
+    #[strum(serialize = "px")]
     Pixel,
     /// Inches.
+    #[strum(serialize = "in")]
     Inch,
     /// Centimeters.
+    #[strum(serialize = "cm")]
     Centimeter,
     /// Millimeters.
+    #[strum(serialize = "mm")]
     Millimeter,
     /// Points.
+    #[strum(serialize = "pt")]
     Point,
     // Picas.
+    #[strum(serialize = "pc")]
     Pica,
 }
 
 impl SVGUnit {
-    pub fn to_user_units(&self) -> f64 {
+    pub const fn to_user_units(&self) -> f64 {
         use SVGUnit::*;
         match self {
             Pixel => 1.0,
             Inch => 96.0,
             Centimeter => 37.795,
             Millimeter => 3.7795,
-            Point => 4.0 / 3.0, // 1.3333
+            Point => 1.3333,
             Pica => 16.0,
         }
     }
 }
-
-impl Display for SVGUnit {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        use SVGUnit::*;
-        write!(
-            f,
-            "{}",
-            match &self {
-                Pixel => "px",
-                Inch => "in",
-                Centimeter => "cm",
-                Millimeter => "mm",
-                Point => "pt",
-                Pica => "pc",
-            }
-        )
-    }
-}

dyesub-tool/templates/document.xml

@@ -1,5 +1,7 @@
 <svg version="1.1"
-     width="{{ width }}" height="{{ height }}"
+     width="{{ dimensions.width }}" height="{{ dimensions.height }}"
      xmlns="http://www.w3.org/2000/svg">
-  <rect width="100%" height="100%" fill="gray" />
+  {% for (x, y) in positions %}
+    <rect x="{{ x }}" y="{{ y }}" rx="2mm" width="{{ box_size }}" height="{{ box_size }}" fill="none" stroke="#cccccc" stroke-width="1pt" />
+  {% endfor %}
 </svg>

flake.nix

@@ -51,7 +51,7 @@ Updating `cargoHash`:
           pname = "dyesub-tool";
           version = "0.1.0";
           buildAndTestSubdir = "dyesub-tool";
-          cargoHash = "sha256-owoTOMY/u7K3Y96FIHXMJeqILAOFR2wSYozzsT+0p64=";
+          cargoHash = "sha256-QlLyKDZZ+/bB4xBv0j9GoL6Ur3Okdskkazi4WlHhx6Y=";
           meta = meta // {
             description = "A tool for generating dye sublimation transfer sheet SVGs for Japanese thumb shift 拇指シフト keycaps.";
           };