1 files changed, 4 insertions, 4 deletions
diff --git a/src/patterns.rs b/src/patterns.rs
index 254433f..8fb2918 100644
--- a/src/patterns.rs
+++ b/src/patterns.rs
@@ -31,13 +31,13 @@ pub fn create_pattern(
     {
         let context = Context::new(&surface)?;
 
-        for y in 0..8 {
-            for x in 0..8 {
-                let value = pattern_data[y * 8 + x];
+        for y in 0_u32..8 {
+            for x in 0_u32..8 {
+                let value = pattern_data[(y * 8 + x) as usize];
                 let (r, g, b) = if value == 0 { foreground } else { background };
 
                 context.set_source_rgb(r, g, b);
-                context.rectangle(x as f64, y as f64, 1.0, 1.0);
+                context.rectangle(f64::from(x), f64::from(y), 1.0, 1.0);
                 context.fill()?;
             }
         }