Switch to PNG output

Cargo.lock

@@ -318,16 +318,6 @@ version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
 
-[[package]]
-name = "hmm"
-version = "0.1.0"
-dependencies = [
- "chrono",
- "plotters",
- "serde",
- "toml",
-]
-
 [[package]]
 name = "iana-time-zone"
 version = "0.1.63"
@@ -1065,6 +1055,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "wk-cpu-graph"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "plotters",
+ "serde",
+ "toml",
+]
+
 [[package]]
 name = "yeslogic-fontconfig-sys"
 version = "6.0.0"

src/main.rs

@@ -90,7 +90,8 @@ struct Averages {
     temp: f64,
 }
 
-const OUT_FILE_NAME: &str = "hmm.svg";
+//const OUT_FILE_NAME: &str = "hmm.svg";
+const OUT_FILE_NAME: &str = "hmm.png"; // TODO: Switch to SVG
 fn main() -> Result<(), Box<dyn Error>> {
     // Parse data
     let toml_data = fs::read_to_string("data.toml").expect("Failed to read data file.");
@@ -101,7 +102,8 @@ fn main() -> Result<(), Box<dyn Error>> {
 
     // Chart data
     let mut line_colors = LineColors::new();
-    let root = SVGBackend::new(OUT_FILE_NAME, (1600, 900)).into_drawing_area();
+    //let root = SVGBackend::new(OUT_FILE_NAME, (1600, 900)).into_drawing_area();
+    let root = BitMapBackend::new(OUT_FILE_NAME, (1600, 900)).into_drawing_area();
 
     root.fill(&WHITE)?;
 
@@ -193,7 +195,6 @@ fn main() -> Result<(), Box<dyn Error>> {
         .background_style(BLACK.mix(0.1))
         .label_font(("Calibri", 20))
         .draw()?;
-    println!("File exported?");
 
     // To avoid the IO failure being ignored silently, we manually call the present function
     root.present().expect("Unable to write result to file, please make sure 'plotters-doc-data' dir exists under current dir");