Fix bounding box issue for text (part 2) (#73)

Author: LaurenzV

src/render/text.rs

@@ -107,9 +107,7 @@ pub fn write_font(chunk: &mut Chunk, alloc: &mut RefAllocator, font: &mut Font)
     flags.insert(FontFlags::SYMBOLIC);
     flags.insert(FontFlags::SMALL_CAP);
 
-    let convert = |val| {
-        (val / units_per_em as f32) * 1000.0
-    };
+    let convert = |val| (val / units_per_em as f32) * 1000.0;
 
     let global_bbox = ttf.global_bounding_box();
     let bbox = pdf_writer::Rect::new(
@@ -121,8 +119,13 @@ pub fn write_font(chunk: &mut Chunk, alloc: &mut RefAllocator, font: &mut Font)
 
     let italic_angle = ttf.italic_angle().unwrap_or(0.0);
     let ascender = convert(ttf.typographic_ascender().unwrap_or(ttf.ascender()) as f32);
-    let descender = convert(ttf.typographic_descender().unwrap_or(ttf.descender()) as f32);
-    let cap_height = ttf.capital_height().filter(|&h| h > 0).map(|h| convert(h as f32)).unwrap_or(ascender);
+    let descender =
+        convert(ttf.typographic_descender().unwrap_or(ttf.descender()) as f32);
+    let cap_height = ttf
+        .capital_height()
+        .filter(|&h| h > 0)
+        .map(|h| convert(h as f32))
+        .unwrap_or(ascender);
     let stem_v = 10.0 + 0.244 * (f32::from(ttf.weight().to_number()) - 50.0);
 
     // Write the font descriptor (contains metrics about the font).
@@ -132,9 +135,9 @@ pub fn write_font(chunk: &mut Chunk, alloc: &mut RefAllocator, font: &mut Font)
         .flags(flags)
         .bbox(bbox)
         .italic_angle(italic_angle)
-        .ascent(ascender as f32)
-        .descent(descender as f32)
-        .cap_height(cap_height as f32)
+        .ascent(ascender)
+        .descent(descender)
+        .cap_height(cap_height)
         .stem_v(stem_v);
 
     if is_cff {