Switch over to using the render context in render calls.

src/context/strike_through.rs

@@ -1,8 +1,6 @@
-use std::path::Path;
-
 use serde::Serialize;
 
-use crate::config::Config;
+use super::render_context::RenderContext;
 use crate::error::CustomError;
 use crate::intermediate::IStrikeThrough;
 
@@ -20,19 +18,12 @@ render!(
     RenderStrikeThrough,
     IStrikeThrough,
     original,
-    config,
-    output_directory,
-    output_file,
+    render_context,
     {
         let children = {
             let mut ret = Vec::new();
             for obj in original.children.iter() {
-                ret.push(RenderObject::new(
-                    config,
-                    output_directory,
-                    output_file,
-                    obj,
-                )?);
+                ret.push(RenderObject::new(render_context.clone(), obj)?);
             }
             ret
         };