Expose setPointScaleFactor to java

Reviewed By: gkassabli

Differential Revision: D4953835

fbshipit-source-id: b1f97d9ec1bb78ccf7f53131fce87955fe66eb02

ReactAndroid/src/main/java/com/facebook/yoga/YogaConfig.java

@@ -51,4 +51,9 @@ public class YogaConfig {
   public void setUseWebDefaults(boolean useWebDefaults) {
     jni_YGConfigSetUseWebDefaults(mNativePointer, useWebDefaults);
   }
+
+  private native void jni_YGConfigSetPointScaleFactor(long nativePointer, float pixelsInPoint);
+  public void setPointScaleFactor(float pixelsInPoint) {
+    jni_YGConfigSetPointScaleFactor(mNativePointer, pixelsInPoint);
+  }
 }

ReactAndroid/src/main/jni/first-party/yogajni/jni/YGJNI.cpp

@@ -398,6 +398,11 @@ void jni_YGConfigSetUseWebDefaults(alias_ref<jobject>, jlong nativePointer, jboo
   YGConfigSetUseWebDefaults(config, useWebDefaults);
 }
 
+void jni_YGConfigSetPointScaleFactor(alias_ref<jobject>, jlong nativePointer, jfloat pixelsInPoint) {
+  const YGConfigRef config = _jlong2YGConfigRef(nativePointer);
+  YGConfigSetPointScaleFactor(config, pixelsInPoint);
+}
+
 jint jni_YGNodeGetInstanceCount(alias_ref<jclass> clazz) {
   return YGNodeGetInstanceCount();
 }
@@ -492,6 +497,7 @@ jint JNI_OnLoad(JavaVM *vm, void *) {
                         YGMakeNativeMethod(jni_YGConfigFree),
                         YGMakeNativeMethod(jni_YGConfigSetExperimentalFeatureEnabled),
                         YGMakeNativeMethod(jni_YGConfigSetUseWebDefaults),
+                        YGMakeNativeMethod(jni_YGConfigSetPointScaleFactor),
                     });
   });
 }