[Android] Patch react-native-svg to cache parsed paths (#6583)

2024-11-21 22:32:49 +00:00
parent 9f1e648686
commit 84724bb940
1 changed files with 57 additions and 0 deletions
@@ -0,0 +1,57 @@
+diff --git a/node_modules/react-native-svg/android/src/main/java/com/horcrux/svg/PathView.java b/node_modules/react-native-svg/android/src/main/java/com/horcrux/svg/PathView.java
+index 06829bd..1b15818 100644
+--- a/node_modules/react-native-svg/android/src/main/java/com/horcrux/svg/PathView.java
+++ b/node_modules/react-native-svg/android/src/main/java/com/horcrux/svg/PathView.java
+@@ -14,17 +14,33 @@ import android.graphics.Paint;
+ import android.graphics.Path;
+ import com.facebook.react.bridge.ReactContext;
+ 
+import java.util.ArrayList;
+import java.util.HashMap;
+
+class ParsedPath {
+  final Path path;
+  final ArrayList<PathElement> elements;
+
+  ParsedPath(Path path, ArrayList<PathElement> elements) {
+    this.path = path;
+    this.elements = elements;
+  }
+}
+
+ @SuppressLint("ViewConstructor")
+ class PathView extends RenderableView {
+   private Path mPath;
+ 
+  // This grows forever but for our use case (static icons) it's ok.
+  private static final HashMap<String, ParsedPath> sPathCache = new HashMap<>();
+
+   public PathView(ReactContext reactContext) {
+     super(reactContext);
+     PathParser.mScale = mScale;
+     mPath = new Path();
+   }
+ 
+-  public void setD(String d) {
+  void setDByParsing(String d) {
+     mPath = PathParser.parse(d);
+     elements = PathParser.elements;
+     for (PathElement elem : elements) {
+@@ -33,6 +49,17 @@ class PathView extends RenderableView {
+         point.y *= mScale;
+       }
+     }
+  }
+
+  public void setD(String d) {
+    ParsedPath cached = sPathCache.get(d);
+    if (cached != null) {
+      mPath = cached.path;
+      elements = cached.elements;
+    } else {
+      setDByParsing(d);
+      sPathCache.put(d, new ParsedPath(mPath, elements));
+    }
+     invalidate();
+   }
+