From 68d3acad312875092dd5510f2bd7edadbfa4825b Mon Sep 17 00:00:00 2001
From: Katherine Eaton <ktmeaton@gmail.com>
Date: Wed, 22 Nov 2023 15:49:23 -0700
Subject: [PATCH] env: add font_kit to find system plots for issue #7

---
 Cargo.lock      | 259 +++++++++++++++++++++++++++++++++++++++++++++++-
 Cargo.toml      |   1 +
 src/plot/mod.rs |  25 +++--
 3 files changed, 277 insertions(+), 8 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 7a46cae..089d6ef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -341,6 +341,15 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a2dd5a6fe8c6e3502f568a6353e5273bbb15193ad9a89e457b9970798efbea1"
 
+[[package]]
+name = "cmake"
+version = "0.1.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a31c789563b815f77f4250caee12365734369f942439b7defd71e18a48197130"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "color-eyre"
 version = "0.6.2"
@@ -393,6 +402,12 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "const-cstr"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed3d0b5ff30645a68f35ece8cea4556ca14ef8a1651455f789a099a0513532a6"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -409,6 +424,42 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
+[[package]]
+name = "core-graphics"
+version = "0.22.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2581bbab3b8ffc6fcbd550bf46c355135d16e9ff2a6ea032ad6b9bf1d7efe4fb"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation",
+ "core-graphics-types",
+ "foreign-types",
+ "libc",
+]
+
+[[package]]
+name = "core-graphics-types"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bb142d41022986c1d8ff29103a1411c8a3dfad3552f87a4f8dc50d61d4f4e33"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation",
+ "libc",
+]
+
+[[package]]
+name = "core-text"
+version = "19.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99d74ada66e07c1cefa18f8abfba765b486f250de2e4a999e5727fc0dd4b4a25"
+dependencies = [
+ "core-foundation",
+ "core-graphics",
+ "foreign-types",
+ "libc",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.3.2"
@@ -505,6 +556,48 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "dirs-next"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
+[[package]]
+name = "dlib"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "330c60081dcc4c72131f8eb70510f1ac07223e5d4163db481a04a0befcffa412"
+dependencies = [
+ "libloading",
+]
+
+[[package]]
+name = "dwrote"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439a1c2ba5611ad3ed731280541d36d2e9c4ac5e7fb818a27b604bdc5a6aa65b"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "winapi",
+ "wio",
+]
+
 [[package]]
 name = "either"
 version = "1.9.0"
@@ -655,6 +748,12 @@ dependencies = [
  "miniz_oxide 0.7.1",
 ]
 
+[[package]]
+name = "float-ord"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7bad48618fdb549078c333a7a8528acb57af271d0433bdecd523eb620628364e"
+
 [[package]]
 name = "flume"
 version = "0.10.14"
@@ -674,6 +773,31 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "font-kit"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21fe28504d371085fae9ac7a3450f0b289ab71e07c8e57baa3fb68b9e57d6ce5"
+dependencies = [
+ "bitflags 1.3.2",
+ "byteorder",
+ "core-foundation",
+ "core-graphics",
+ "core-text",
+ "dirs-next",
+ "dwrote",
+ "float-ord",
+ "freetype",
+ "lazy_static",
+ "libc",
+ "log",
+ "pathfinder_geometry",
+ "pathfinder_simd",
+ "walkdir",
+ "winapi",
+ "yeslogic-fontconfig-sys",
+]
+
 [[package]]
 name = "foreign-types"
 version = "0.3.2"
@@ -698,6 +822,27 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "freetype"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bee38378a9e3db1cc693b4f88d166ae375338a0ff75cb8263e1c601d51f35dc6"
+dependencies = [
+ "freetype-sys",
+ "libc",
+]
+
+[[package]]
+name = "freetype-sys"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a37d4011c0cc628dfa766fcc195454f4b068d7afdc2adfd28861191d866e731a"
+dependencies = [
+ "cmake",
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.28"
@@ -1123,12 +1268,33 @@ version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
+[[package]]
+name = "libloading"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c571b676ddfc9a8c12f1f3d3085a7b163966a8fd8098a90640953ce5f6170161"
+dependencies = [
+ "cfg-if",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "libm"
 version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7012b1bbb0719e1097c47611d3898568c546d597c2e74d66f6087edd5233ff4"
 
+[[package]]
+name = "libredox"
+version = "0.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85c833ca1e66078851dba29046874e38f08b2c883700aa29a03ddd3b23814ee8"
+dependencies = [
+ "bitflags 2.4.1",
+ "libc",
+ "redox_syscall 0.4.1",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.3.7"
@@ -1311,7 +1477,7 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac8cd24d9f185bb7223958d8c1ff7a961b74b1953fd05dba7cc568a63b3861ec"
 dependencies = [
- "rustc_version",
+ "rustc_version 0.1.7",
 ]
 
 [[package]]
@@ -1469,6 +1635,25 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f746c4065a8fa3fe23974dd82f15431cc8d40779821001404d10d2e79ca7d79"
 
+[[package]]
+name = "pathfinder_geometry"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b7e7b4ea703700ce73ebf128e1450eb69c3a8329199ffbfb9b2a0418e5ad3"
+dependencies = [
+ "log",
+ "pathfinder_simd",
+]
+
+[[package]]
+name = "pathfinder_simd"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0444332826c70dc47be74a7c6a5fc44e23a7905ad6858d4162b658320455ef93"
+dependencies = [
+ "rustc_version 0.4.0",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.2.0"
@@ -1692,6 +1877,7 @@ dependencies = [
  "color-eyre",
  "either",
  "env_logger",
+ "font-kit",
  "image",
  "indicatif",
  "indoc",
@@ -1724,6 +1910,26 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
+[[package]]
+name = "redox_users"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a18479200779601e498ada4e8c1e1f50e3ee19deb0259c25825a98b5603b2cb4"
+dependencies = [
+ "getrandom",
+ "libredox",
+ "thiserror",
+]
+
 [[package]]
 name = "regex"
 version = "1.9.5"
@@ -1805,6 +2011,15 @@ dependencies = [
  "semver 0.1.20",
 ]
 
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver 1.0.19",
+]
+
 [[package]]
 name = "rustix"
 version = "0.37.19"
@@ -1850,6 +2065,15 @@ dependencies = [
  "bytemuck",
 ]
 
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "schannel"
 version = "0.1.21"
@@ -2101,7 +2325,7 @@ checksum = "b9fbec84f381d5795b08656e4912bec604d162bff9291d6189a78f4c8ab87998"
 dependencies = [
  "cfg-if",
  "fastrand",
- "redox_syscall",
+ "redox_syscall 0.3.5",
  "rustix",
  "windows-sys 0.45.0",
 ]
@@ -2372,6 +2596,16 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "walkdir"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71d857dc86794ca4c280d616f7da00d2dbfd8cd788846559a6813e6aa4b54ee"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "want"
 version = "0.3.0"
@@ -2676,6 +2910,27 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "wio"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d129932f4644ac2396cb456385cbf9e63b5b30c6e8dc4820bdca4eb082037a5"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "yeslogic-fontconfig-sys"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2bbd69036d397ebbff671b1b8e4d918610c181c5a16073b96f984a38d08c386"
+dependencies = [
+ "const-cstr",
+ "dlib",
+ "once_cell",
+ "pkg-config",
+]
+
 [[package]]
 name = "zstd"
 version = "0.13.0"
diff --git a/Cargo.toml b/Cargo.toml
index cf29ab3..6f3b893 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,6 +12,7 @@ clap = { version = "4.2.7", features = ["derive"] }
 color-eyre = "0.6.2"
 either = "1.9.0"
 env_logger = "0.10.0"
+font-kit = "0.11.0"
 image = "0.24.6"
 indicatif = {version = "0.17.5", features = ["rayon"]}
 indoc = "2.0.4"
diff --git a/src/plot/mod.rs b/src/plot/mod.rs
index e95b5fd..e3b042d 100644
--- a/src/plot/mod.rs
+++ b/src/plot/mod.rs
@@ -5,9 +5,14 @@ pub mod text;
 use crate::utils::table::Table;
 use color_eyre::eyre::{eyre, Report, Result};
 use color_eyre::Help;
+use font_kit::family_name::FamilyName;
+use font_kit::handle::Handle;
+use font_kit::properties::{Properties, Weight};
+use font_kit::source::SystemSource;
 use itertools::Itertools;
 use log::debug;
 use raqote::*;
+use std::path::PathBuf;
 
 /// Get the background color (RGBA) of a nucleotide base
 pub fn get_base_rgba(base: &String, ref_base: &String, pal_i: usize) -> [u8; 4] {
@@ -40,12 +45,20 @@ pub fn create(
     // Import Data
     // ------------------------------------------------------------------------
 
-    // find system fonts, TBD!!
-    let font_path =
-        std::path::PathBuf::from("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf");
-    let font_bold_path =
-        std::path::PathBuf::from("/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf");
-
+    let font_handle = SystemSource::new()
+        .select_best_match(&[FamilyName::SansSerif], &Properties::new())?;
+    let font_path: PathBuf = match font_handle {
+        Handle::Path { path, font_index } => path,
+        _ => return Err(eyre!("A SansSerif Normal font could not found!")),
+    };
+    let font_bold_handle = SystemSource::new().select_best_match(
+        &[FamilyName::SansSerif],
+        Properties::new().weight(Weight::BOLD),
+    )?;
+    let font_bold_path: PathBuf = match font_bold_handle {
+        Handle::Path { path, font_index } => path,
+        _ => return Err(eyre!("A SansSerif Bold font could not found!")),
+    };
     // the name of the barcodes file will be the unique_key
     let barcodes = Table::read(barcodes_path)?;
     let unique_key = barcodes_path.file_stem().unwrap().to_str().unwrap();