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authorTim Murray <timmurray@google.com>2013-12-17 13:28:17 -0800
committerTim Murray <timmurray@google.com>2014-01-31 12:35:17 -0800
commit355707e4f665904e31d9f5fcff1e3921f7db8cdd (patch)
tree0e5c36c10cd720a2e6f7f14e7e7572ba85bfc0d3 /rs/java/android/renderscript/ScriptIntrinsicBlur.java
parent7a629fac82f88126642081b4474879f6a883e313 (diff)
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Move RenderScript from graphics/ to new fw/base subdirectory rs.
Change-Id: I30b6633578f063840e1bdbcc9ba513b727912a6d
Diffstat (limited to 'rs/java/android/renderscript/ScriptIntrinsicBlur.java')
-rw-r--r--rs/java/android/renderscript/ScriptIntrinsicBlur.java112
1 files changed, 112 insertions, 0 deletions
diff --git a/rs/java/android/renderscript/ScriptIntrinsicBlur.java b/rs/java/android/renderscript/ScriptIntrinsicBlur.java
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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, 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);
+ }
+}
+