Change back to no resizing and don't include alpha channel in conversion

src/converter.rs

@@ -66,7 +66,7 @@ pub async fn run_conversion_loop(
 		// size for the area given, so to save ratatui the work of having to
 		// resize it, we tell them to crop it to fit.
 		let txt_img = picker
-			.new_protocol(dyn_img, img_area, Resize::Scale(None))
+			.new_protocol(dyn_img, img_area, Resize::None)
 			.map_err(|e| {
 				RenderError::Converting(format!(
 					"Couldn't convert DynamicImage to ratatui image: {e}"

src/renderer.rs

@@ -271,7 +271,7 @@ pub fn start_rendering(
 							* ctx.pixmap.height() * u32::from(ctx.pixmap.n()))
 							as usize;
 						let mut pixels = Vec::with_capacity(cap);
-						if let Err(e) = ctx.pixmap.write_to(&mut pixels, mupdf::ImageFormat::PAM) {
+						if let Err(e) = ctx.pixmap.write_to(&mut pixels, mupdf::ImageFormat::PNM) {
 							sender.send(Err(RenderError::Doc(e)))?;
 							continue;
 						};