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author | Tim Murray <timmurray@google.com> | 2013-12-17 13:28:17 -0800 |
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committer | Tim Murray <timmurray@google.com> | 2014-01-31 12:35:17 -0800 |
commit | 355707e4f665904e31d9f5fcff1e3921f7db8cdd (patch) | |
tree | 0e5c36c10cd720a2e6f7f14e7e7572ba85bfc0d3 /rs/java/android/renderscript/ScriptIntrinsicBlur.java | |
parent | 7a629fac82f88126642081b4474879f6a883e313 (diff) | |
download | frameworks_base-355707e4f665904e31d9f5fcff1e3921f7db8cdd.zip frameworks_base-355707e4f665904e31d9f5fcff1e3921f7db8cdd.tar.gz frameworks_base-355707e4f665904e31d9f5fcff1e3921f7db8cdd.tar.bz2 |
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.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/rs/java/android/renderscript/ScriptIntrinsicBlur.java b/rs/java/android/renderscript/ScriptIntrinsicBlur.java new file mode 100644 index 0000000..d1a6fed --- /dev/null +++ b/rs/java/android/renderscript/ScriptIntrinsicBlur.java @@ -0,0 +1,112 @@ +/* + * 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); + } +} + |