add scalenchor (#161)

* add scalenchor
* fix kaleido crash on windows by taking ownership of stdin/stdout
---------

Signed-off-by: Andrei Gherghescu <[email protected]>
Co-authored-by: Tristan Kobusch <[email protected]>
Co-authored-by: Andrei Gherghescu <[email protected]>

Author: 3 people

plotly/src/layout/mod.rs

@@ -441,6 +441,9 @@ pub struct Axis {
     #[serde(rename = "nticks")]
     n_ticks: Option<usize>,
 
+    #[serde(rename = "scaleanchor")]
+    scale_anchor: Option<String>,
+
     tick0: Option<f64>,
     dtick: Option<f64>,
 

plotly_kaleido/src/lib.rs

@@ -138,14 +138,15 @@ impl Kaleido {
         let p = p.to_str().unwrap();
         let p = String::from(p);
 
-        let process = Command::new(p.as_str())
+        let mut process = Command::new(p.as_str())
             .current_dir(self.cmd_path.parent().unwrap())
             .args([
                 "plotly",
                 "--disable-gpu",
                 "--allow-file-access-from-files",
                 "--disable-breakpad",
                 "--disable-dev-shm-usage",
+                "--disable-software-rasterizer",
                 "--single-process",
             ])
             .stdin(Stdio::piped())
@@ -156,14 +157,14 @@ impl Kaleido {
 
         {
             let plot_data = PlotData::new(plotly_data, format, width, height, scale).to_json();
-            let mut process_stdin = process.stdin.unwrap();
+            let mut process_stdin = process.stdin.take().unwrap();
             process_stdin
                 .write_all(plot_data.as_bytes())
                 .expect("couldn't write to Kaleido stdin");
             process_stdin.flush()?;
         }
 
-        let output_lines = BufReader::new(process.stdout.unwrap()).lines();
+        let output_lines = BufReader::new(process.stdout.take().unwrap()).lines();
         for line in output_lines.map_while(Result::ok) {
             let res = KaleidoResult::from(line.as_str());
             if let Some(image_data) = res.result {