Update libharu version to 1.0.1 and reflect changes in Cargo.toml and Cargo.lock files. Add libharu version printing functionality.

Author: bastibense

Cargo.lock

@@ -1,5 +1,5 @@
 [package]
-version = "1.0.0"
+version = "1.0.1"
 
 name = "libharu_ng"
 description = "Easily generate PDFs from your Rust app!"

Cargo.toml

@@ -14,6 +14,10 @@ Using `libharu_ng`, you can easily create PDF documents from Rust code.
 
 So, until there are mature pure-Rust alternatives for generating PDFs, `libharu_ng` is a good choice for generating PDFs from Rust code without having to use a headless browser or a commercial solution.
 
+## `libharu` Version
+
+This crate uses the latest version of `libharu` (2.4.4) and will be updated to the latest version of `libharu` as soon as possible.
+
 ## Features
 
 ### Standard libharu Features

README.md

@@ -1,11 +1,13 @@
-use libharu_ng::prelude::*;
+use libharu_ng::{libharu_version, prelude::*};
 
 /// Hello World example.
 ///
 /// This example will create a new PDF file named `hello_world.pdf` in the current directory.
 ///
 
 fn main() -> Result<(), HaruError> {
+    println!("libharu version: {}", libharu_version());
+
     let doc = PdfDocument::new();
     let fnt = doc.get_font("Helvetica", None)?;
 

examples/hello_world.rs

@@ -68,3 +68,25 @@ impl From<haru_bindings::HPDF_Box> for HpdfBox {
         }
     }
 }
+
+/// Returns the version of the libharu library.
+/// The version is a string in the format "major.minor.patch".
+///
+pub fn libharu_version() -> String {
+    let version = unsafe { haru_bindings::HPDF_GetVersion() };
+    let version = unsafe { std::ffi::CStr::from_ptr(version) };
+    version.to_str().unwrap().to_string()
+}
+
+/// Test which prints the version.
+///
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_libharu_version() {
+        let version = libharu_version();
+        println!("libharu version: {}", version);
+    }
+}