1 files changed, 111 insertions, 0 deletions
diff --git a/rs/java/android/renderscript/ScriptIntrinsicBlur.java b/rs/java/android/renderscript/ScriptIntrinsicBlur.java
new file mode 100644
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+++ b/rs/java/android/renderscript/ScriptIntrinsicBlur.java
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+/*
+ * Copyright (C) 2012 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.
+ */
+
+package android.renderscript;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.util.Log;
+
+/**
+ * Intrinsic Gausian blur filter. Applies a gaussian blur of the
+ * specified radius to all elements of an allocation.
+ *
+ *
+ **/
+public final class ScriptIntrinsicBlur extends ScriptIntrinsic {
+    private final float[] mValues = new float[9];
+    private Allocation mInput;
+
+    private ScriptIntrinsicBlur(long id, RenderScript rs) {
+        super(id, rs);
+    }
+
+    /**
+     * Create an intrinsic for applying a blur to an allocation. The
+     * default radius is 5.0.
+     *
+     * Supported elements types are {@link Element#U8_4}
+     *
+     * @param rs The RenderScript context
+     * @param e Element type for inputs and outputs
+     *
+     * @return ScriptIntrinsicBlur
+     */
+    public static ScriptIntrinsicBlur create(RenderScript rs, Element e) {
+        if ((!e.isCompatible(Element.U8_4(rs))) && (!e.isCompatible(Element.U8(rs)))) {
+            throw new RSIllegalArgumentException("Unsuported element type.");
+        }
+        long id = rs.nScriptIntrinsicCreate(5, e.getID(rs));
+        ScriptIntrinsicBlur sib = new ScriptIntrinsicBlur(id, rs);
+        sib.setRadius(5.f);
+        return sib;
+    }
+
+    /**
+     * Set the input of the blur.
+     * Must match the element type supplied during create.
+     *
+     * @param ain The input allocation
+     */
+    public void setInput(Allocation ain) {
+        mInput = ain;
+        setVar(1, ain);
+    }
+
+    /**
+     * Set the radius of the Blur.
+     *
+     * Supported range 0 < radius <= 25
+     *
+     * @param radius The radius of the blur
+     */
+    public void setRadius(float radius) {
+        if (radius <= 0 || radius > 25) {
+            throw new RSIllegalArgumentException("Radius out of range (0 < r <= 25).");
+        }
+        setVar(0, radius);
+    }
+
+    /**
+     * Apply the filter to the input and save to the specified
+     * allocation.
+     *
+     * @param aout Output allocation. Must match creation element
+     *             type.
+     */
+    public void forEach(Allocation aout) {
+        forEach(0, (Allocation) null, aout, null);
+    }
+
+    /**
+     * Get a KernelID for this intrinsic kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelID() {
+        return createKernelID(0, 2, null, null);
+    }
+
+    /**
+     * Get a FieldID for the input field of this intrinsic.
+     *
+     * @return Script.FieldID The FieldID object.
+     */
+    public Script.FieldID getFieldID_Input() {
+        return createFieldID(1, null);
+    }
+}