1 files changed, 49 insertions, 0 deletions
diff --git a/include/camera/CameraUtils.h b/include/camera/CameraUtils.h
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+++ b/include/camera/CameraUtils.h
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+/*
+ * Copyright (C) 2014 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.
+ */
+
+#ifndef ANDROID_CAMERA_CLIENT_CAMERAUTILS_H
+#define ANDROID_CAMERA_CLIENT_CAMERAUTILS_H
+
+#include <camera/CameraMetadata.h>
+#include <utils/Errors.h>
+
+#include <stdint.h>
+
+namespace android {
+
+/**
+ * CameraUtils contains utility methods that are shared between the native
+ * camera client, and the camera service.
+ */
+class CameraUtils {
+    public:
+        /**
+         * Calculate the ANativeWindow transform from the static camera
+         * metadata.  This is based on the sensor orientation and lens facing
+         * attributes of the camera device.
+         *
+         * Returns OK on success, or a negative error code.
+         */
+        static status_t getRotationTransform(const CameraMetadata& staticInfo,
+                /*out*/int32_t* transform);
+    private:
+        CameraUtils();
+};
+
+} /* namespace android */
+
+#endif /* ANDROID_CAMERA_CLIENT_CAMERAUTILS_H */
+