1 files changed, 37 insertions, 0 deletions
diff --git a/libs/hwui/utils/Blur.h b/libs/hwui/utils/Blur.h
new file mode 100644
index 0000000..6c176e9
--- /dev/null
+++ b/libs/hwui/utils/Blur.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2013 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_HWUI_BLUR_H
+#define ANDROID_HWUI_BLUR_H
+
+#include <stdint.h>
+
+namespace android {
+namespace uirenderer {
+
+class Blur {
+public:
+    static void generateGaussianWeights(float* weights, int32_t radius);
+    static void horizontal(float* weights, int32_t radius, const uint8_t* source,
+        uint8_t* dest, int32_t width, int32_t height);
+    static void vertical(float* weights, int32_t radius, const uint8_t* source,
+        uint8_t* dest, int32_t width, int32_t height);
+};
+
+}; // namespace uirenderer
+}; // namespace android
+
+#endif // ANDROID_HWUI_BLUR_H