commit 7af40ef00bc8690015079041339b1bc8ed660270
Author: 2Shirt <2xShirt@gmail.com>
Date:   Sun Apr 6 19:05:56 2025 -0700

    Initial commit

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diff --git a/COPYING b/COPYING
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--- /dev/null
+++ b/COPYING
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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
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+checksum = "503a066b4c037c440169d995b869046827dbc71263f6e8f3be6d77d4f3229dbd"
+dependencies = [
+ "dlib",
+ "once_cell",
+ "pkg-config",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..df5cab9
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "wk-cpu-graph"
+authors = ["2Shirt <2xShirt@gmail.com>"]
+license = "GPL"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+chrono = "0.4.40"
+plotters = "0.3.7"
+serde = { version = "1.0.219", features = ["derive"] }
+toml = "0.8.20"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..62b729d
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,208 @@
+use plotters::prelude::*;
+
+use serde::Deserialize;
+use std::{error::Error, fs};
+use toml;
+
+struct LineColors {
+    index: usize,
+    colors: Vec<RGBColor>,
+}
+
+impl LineColors {
+    fn new() -> Self {
+        Self {
+            index: 0,
+            colors: vec![BLUE, GREEN, MAGENTA, RED],
+        }
+    }
+
+    fn next(&mut self) -> RGBColor {
+        self.index += 1;
+        if self.index == self.colors.len() {
+            self.index = 0;
+        }
+        self.colors.get(self.index).unwrap().clone()
+    }
+}
+
+#[derive(Deserialize)]
+struct Data {
+    cpu: String,
+    temps: Vec<Temps>,
+    tests: Vec<Tests>,
+    averages: Vec<Averages>,
+}
+
+impl Data {
+    fn len(&self) -> i32 {
+        self.temps
+            .iter()
+            .map(|temps| temps.data.len())
+            .max()
+            .expect("Failed to get number of temps measured.")
+            .try_into()
+            .unwrap()
+    }
+    fn max_temp(&self) -> f64 {
+        self.temps
+            .iter()
+            .map(|temps| temps.max())
+            .collect::<Vec<f64>>()
+            .iter()
+            .fold(f64::MIN_POSITIVE, |a, &b| a.max(b))
+    }
+    fn min_temp(&self) -> f64 {
+        self.temps
+            .iter()
+            .map(|temps| temps.min())
+            .collect::<Vec<f64>>()
+            .iter()
+            .fold(f64::INFINITY, |a, &b| a.min(b))
+    }
+}
+
+#[derive(Deserialize)]
+struct Temps {
+    name: String,
+    data: Vec<f64>,
+}
+
+impl Temps {
+    fn max(&self) -> f64 {
+        self.data.iter().fold(f64::MIN_POSITIVE, |a, &b| a.max(b))
+    }
+
+    fn min(&self) -> f64 {
+        self.data.iter().fold(f64::INFINITY, |a, &b| a.min(b))
+    }
+}
+
+#[derive(Deserialize)]
+struct Tests {
+    name: String,
+    offsets: Vec<u64>,
+}
+
+#[derive(Deserialize)]
+struct Averages {
+    name: String,
+    temp: f64,
+}
+
+const OUT_FILE_NAME: &str = "hmm.svg";
+fn main() -> Result<(), Box<dyn Error>> {
+    // Parse data
+    let toml_data = fs::read_to_string("data.toml").expect("Failed to read data file.");
+    let data: Data = toml::from_str(&toml_data).expect("Failed to parse TOML data");
+    let max_temp = data.max_temp() + 1.0;
+    let min_temp = data.min_temp() - 1.0;
+    let num_temps = data.len();
+
+    // Chart data
+    let mut line_colors = LineColors::new();
+    let root = SVGBackend::new(OUT_FILE_NAME, (1600, 900)).into_drawing_area();
+
+    root.fill(&WHITE)?;
+
+    let mut chart = ChartBuilder::on(&root)
+        .margin(5)
+        .caption(&data.cpu, ("sans-serif", 30))
+        .set_label_area_size(LabelAreaPosition::Left, 60)
+        .set_label_area_size(LabelAreaPosition::Right, 60)
+        .set_label_area_size(LabelAreaPosition::Bottom, 20)
+        .build_cartesian_2d(0..num_temps, min_temp..max_temp)?
+        .set_secondary_coord(0..num_temps, min_temp..max_temp);
+
+    chart
+        .configure_mesh()
+        .disable_x_mesh()
+        .disable_y_mesh()
+        .x_labels(1)
+        .max_light_lines(4)
+        .y_desc("Temps (C)")
+        .draw()?;
+
+    data.temps.iter().for_each(|temps| {
+        let color = line_colors.next();
+        chart
+            .draw_series(LineSeries::new(
+                temps.data.iter().enumerate().map(|(i, t)| {
+                    let index = i as i32;
+                    (index, *t)
+                }),
+                &color,
+            ))
+            .unwrap()
+            .label(&temps.name)
+            .legend(move |(x, y)| Rectangle::new([(x - 15, y + 1), (x, y)], color));
+    });
+
+    data.averages
+        .iter()
+        .for_each(|avg| match avg.name.as_str() {
+            "Sysbench" => {
+                let color = RGBAColor(255, 165, 0, 1.0);
+                chart
+                    .draw_series(DashedLineSeries::new(
+                        vec![avg.temp; num_temps as usize]
+                            .iter()
+                            .enumerate()
+                            .map(|(i, t)| (i as i32, *t)),
+                        10,
+                        5,
+                        ShapeStyle {
+                            color,
+                            filled: false,
+                            stroke_width: 1,
+                        },
+                    ))
+                    .unwrap()
+                    .label(&avg.name)
+                    .legend(move |(x, y)| Rectangle::new([(x - 10, y + 1), (x - 5, y)], color));
+            }
+            "Prime95" => {
+                let color = RGBAColor(255, 0, 0, 1.0);
+                chart
+                    .draw_series(DashedLineSeries::new(
+                        vec![avg.temp; num_temps as usize]
+                            .iter()
+                            .enumerate()
+                            .map(|(i, t)| (i as i32, *t)),
+                        10,
+                        5,
+                        ShapeStyle {
+                            color,
+                            filled: false,
+                            stroke_width: 1,
+                        },
+                    ))
+                    .unwrap()
+                    .label(&avg.name)
+                    .legend(move |(x, y)| Rectangle::new([(x - 10, y + 1), (x - 5, y)], color));
+            }
+            _ => {}
+        });
+
+    chart
+        .configure_series_labels()
+        .position(SeriesLabelPosition::LowerRight)
+        .margin(20)
+        .legend_area_size(5)
+        .border_style(BLACK)
+        .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");
+    println!("Result has been saved to {}", OUT_FILE_NAME);
+
+    Ok(())
+}
+
+#[test]
+fn entry_point() {
+    main().unwrap()
+}