1 files changed, 9 insertions, 0 deletions
diff --git a/tiny_skia/src/raster.rs b/tiny_skia/src/raster.rs
index e57f0e50..2fd73f8c 100644
--- a/tiny_skia/src/raster.rs
+++ b/tiny_skia/src/raster.rs
@@ -52,6 +52,10 @@ impl Pipeline {
             );
         }
     }
+
+    pub fn trim_cache(&mut self) {
+        self.cache.borrow_mut().trim();
+    }
 }
 
 #[derive(Default)]
@@ -98,6 +102,11 @@ impl Cache {
             .expect("Build pixmap from image bytes")
         })
     }
+
+    fn trim(&mut self) {
+        self.entries.retain(|key, _| self.hits.contains(key));
+        self.hits.clear();
+    }
 }
 
 struct Entry {