2 files changed, 12 insertions, 3 deletions
diff --git a/src/main.rs b/src/main.rs
index 74a5058c..31e3586a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -26,8 +26,11 @@ fn main() {
         gl::Viewport(0, 0, width as i32, height as i32);
     }
 
+    let (dpi_x, dpi_y) = window.get_dpi().unwrap();
+    let dpr = window.hidpi_factor();
+
     let desc = FontDesc::new("Ubuntu Mono", "Regular");
-    let mut rasterizer = text::Rasterizer::new();
+    let mut rasterizer = text::Rasterizer::new(dpi_x, dpi_y, dpr);
 
     let glyph_r = Glyph::new(&rasterizer.get_glyph(&desc, 180., 'R'));
     let glyph_u = Glyph::new(&rasterizer.get_glyph(&desc, 180., 'u'));
diff --git a/src/text.rs b/src/text.rs
index 8f5216e6..bd884ad3 100644
--- a/src/text.rs
+++ b/src/text.rs
@@ -10,6 +10,9 @@ pub struct Rasterizer {
     faces: HashMap<FontDesc, Face<'static>>,
     library: Library,
     system_fonts: HashMap<String, ::list_fonts::Family>,
+    dpi_x: u32,
+    dpi_y: u32,
+    dpr: f32,
 }
 
 #[inline]
@@ -35,13 +38,16 @@ impl FontDesc {
 }
 
 impl Rasterizer {
-    pub fn new() -> Rasterizer {
+    pub fn new(dpi_x: f32, dpi_y: f32, device_pixel_ratio: f32) -> Rasterizer {
         let library = Library::init().unwrap();
 
         Rasterizer {
             system_fonts: get_font_families(),
             faces: HashMap::new(),
             library: library,
+            dpi_x: dpi_x as u32,
+            dpi_y: dpi_y as u32,
+            dpr: device_pixel_ratio,
         }
     }
 
@@ -66,7 +72,7 @@ impl Rasterizer {
     pub fn get_glyph(&mut self, desc: &FontDesc, size: f32, c: char) -> RasterizedGlyph {
         let face = self.get_face(desc).expect("TODO handle get_face error");
         // TODO DPI
-        face.set_char_size(to_freetype_26_6(size), 0, 96, 0).unwrap();
+        face.set_char_size(to_freetype_26_6(size * self.dpr), 0, self.dpi_x, self.dpi_y).unwrap();
         face.load_char(c as usize, freetype::face::RENDER).unwrap();
         let glyph = face.glyph();