From a8d55ceb829377725b4e7632702894fed6867eda Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Tue, 7 Mar 2023 06:15:05 +0100
Subject: Trim `raster` cache in `iced_tiny_skia`

---
 tiny_skia/src/backend.rs | 3 +++
 tiny_skia/src/raster.rs  | 9 +++++++++
 2 files changed, 12 insertions(+)

(limited to 'tiny_skia/src')

diff --git a/tiny_skia/src/backend.rs b/tiny_skia/src/backend.rs
index 3c2a97b9..b3c7d2bc 100644
--- a/tiny_skia/src/backend.rs
+++ b/tiny_skia/src/backend.rs
@@ -86,6 +86,9 @@ impl Backend {
 
         self.text_pipeline.trim_cache();
 
+        #[cfg(feature = "image")]
+        self.raster_pipeline.trim_cache();
+
         #[cfg(feature = "svg")]
         self.vector_pipeline.trim_cache();
     }
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 {
-- 
cgit