1 files changed, 60 insertions, 0 deletions
diff --git a/libs/hwui/apex/android_region.cpp b/libs/hwui/apex/android_region.cpp
new file mode 100644
index 000000000000..2030e7e69861
--- /dev/null
+++ b/libs/hwui/apex/android_region.cpp
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "android/graphics/region.h"
+
+#include "GraphicsJNI.h"
+
+#include <SkRegion.h>
+
+static inline SkRegion::Iterator* ARegionIter_to_SkRegionIter(ARegionIterator* iterator) {
+    return reinterpret_cast<SkRegion::Iterator*>(iterator);
+}
+
+static inline ARegionIterator* SkRegionIter_to_ARegionIter(SkRegion::Iterator* iterator) {
+    return reinterpret_cast<ARegionIterator*>(iterator);
+}
+
+ARegionIterator* ARegionIterator_acquireIterator(JNIEnv* env, jobject regionObj) {
+    SkRegion* region = GraphicsJNI::getNativeRegion(env, regionObj);
+    return (!region) ? nullptr : SkRegionIter_to_ARegionIter(new SkRegion::Iterator(*region));
+}
+
+void ARegionIterator_releaseIterator(ARegionIterator* iterator) {
+    delete ARegionIter_to_SkRegionIter(iterator);
+}
+
+bool ARegionIterator_isComplex(ARegionIterator* iterator) {
+    return ARegionIter_to_SkRegionIter(iterator)->rgn()->isComplex();
+}
+
+bool ARegionIterator_isDone(ARegionIterator* iterator) {
+    return ARegionIter_to_SkRegionIter(iterator)->done();
+}
+
+void ARegionIterator_next(ARegionIterator* iterator) {
+    ARegionIter_to_SkRegionIter(iterator)->next();
+}
+
+ARect ARegionIterator_getRect(ARegionIterator* iterator) {
+    const SkIRect& rect = ARegionIter_to_SkRegionIter(iterator)->rect();
+    return { rect.fLeft, rect.fTop, rect.fRight, rect.fBottom };
+}
+
+ARect ARegionIterator_getTotalBounds(ARegionIterator* iterator) {
+    const SkIRect& bounds = ARegionIter_to_SkRegionIter(iterator)->rgn()->getBounds();
+    return { bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom };
+}