Pass SkRegion::toString() through to java.

Change-Id: I3814b491c689313c1f8da811a104d913175f6268

2 files changed, 18 insertions, 1 deletions

diff --git a/core/jni/android/graphics/Region.cpp b/core/jni/android/graphics/Region.cpp
index c43b5ce..2445229 100644
--- a/core/jni/android/graphics/Region.cpp
+++ b/core/jni/android/graphics/Region.cpp
@@ -154,6 +154,16 @@ static void Region_scale(JNIEnv* env, jobject region, jfloat scale, jobject dst)
         scale_rgn(rgn, *rgn, scale);
 }
 
+static jstring Region_toString(JNIEnv* env, jobject clazz, SkRegion* region) {
+    char* str = region->toString();
+    if (str == NULL) {
+        return NULL;
+    }
+    jstring result = env->NewStringUTF(str);
+    free(str);
+    return result;
+}
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 static SkRegion* Region_createFromParcel(JNIEnv* env, jobject clazz, jobject parcel)
@@ -262,6 +272,7 @@ static JNINativeMethod gRegionMethods[] = {
     { "quickReject",            "(Landroid/graphics/Region;)Z",     (void*)Region_quickRejectRgn    },
     { "scale",                  "(FLandroid/graphics/Region;)V",    (void*)Region_scale             },
     { "translate",              "(IILandroid/graphics/Region;)V",   (void*)Region_translate         },
+    { "nativeToString",         "(I)Ljava/lang/String;",            (void*)Region_toString          },
     // parceling methods
     { "nativeCreateFromParcel", "(Landroid/os/Parcel;)I",           (void*)Region_createFromParcel  },
     { "nativeWriteToParcel",    "(ILandroid/os/Parcel;)Z",          (void*)Region_writeToParcel     },
diff --git a/graphics/java/android/graphics/Region.java b/graphics/java/android/graphics/Region.java
index e540806..27ea0f0 100644
--- a/graphics/java/android/graphics/Region.java
+++ b/graphics/java/android/graphics/Region.java
@@ -287,6 +287,10 @@ public class Region implements Parcelable {
                         region2.mNativeRegion, op.nativeInt);
     }
 
+    public String toString() {
+        return nativeToString(mNativeRegion);
+    }
+
     //////////////////////////////////////////////////////////////////////////
     
     public static final Parcelable.Creator<Region> CREATOR
@@ -357,6 +361,8 @@ public class Region implements Parcelable {
         return mNativeRegion;
     }
 
+    private static native boolean nativeEquals(int native_r1, int native_r2);
+
     private static native int nativeConstructor();
     private static native void nativeDestructor(int native_region);
 
@@ -381,5 +387,5 @@ public class Region implements Parcelable {
     private static native boolean nativeWriteToParcel(int native_region,
                                                       Parcel p);
 
-    private static native boolean nativeEquals(int native_r1, int native_r2);
+    private static native String nativeToString(int native_region);
 }