diff options
Diffstat (limited to 'graphics/java/android/renderscript/ScriptIntrinsicHistogram.java')
| -rw-r--r-- | graphics/java/android/renderscript/ScriptIntrinsicHistogram.java | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/graphics/java/android/renderscript/ScriptIntrinsicHistogram.java b/graphics/java/android/renderscript/ScriptIntrinsicHistogram.java deleted file mode 100644 index adc2d95..0000000 --- a/graphics/java/android/renderscript/ScriptIntrinsicHistogram.java +++ /dev/null @@ -1,186 +0,0 @@ -/* - * 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. - */ - -package android.renderscript; - -import android.content.Context; -import android.content.res.Resources; -import android.util.Log; - -/** - * Intrinsic Histogram filter. - * - * - **/ -public final class ScriptIntrinsicHistogram extends ScriptIntrinsic { - private Allocation mOut; - - private ScriptIntrinsicHistogram(int id, RenderScript rs) { - super(id, rs); - } - - /** - * Create an intrinsic for calculating the histogram of an uchar - * or uchar4 image. - * - * Supported elements types are - * {@link Element#U8_4}, {@link Element#U8_3}, - * {@link Element#U8_2}, {@link Element#U8} - * - * @param rs The RenderScript context - * @param e Element type for inputs - * - * @return ScriptIntrinsicHistogram - */ - public static ScriptIntrinsicHistogram create(RenderScript rs, Element e) { - if ((!e.isCompatible(Element.U8_4(rs))) && - (!e.isCompatible(Element.U8_3(rs))) && - (!e.isCompatible(Element.U8_2(rs))) && - (!e.isCompatible(Element.U8(rs)))) { - throw new RSIllegalArgumentException("Unsuported element type."); - } - int id = rs.nScriptIntrinsicCreate(9, e.getID(rs)); - ScriptIntrinsicHistogram sib = new ScriptIntrinsicHistogram(id, rs); - return sib; - } - - /** - * Process an input buffer and place the histogram into the - * output allocation. The output allocation may be a narrower - * vector size than the input. In this case the vector size of - * the output is used to determine how many of the input - * channels are used in the computation. This is useful if you - * have an RGBA input buffer but only want the histogram for - * RGB. - * - * 1D and 2D input allocations are supported. - * - * @param ain The input image - */ - public void forEach(Allocation ain) { - if (ain.getType().getElement().getVectorSize() < - mOut.getType().getElement().getVectorSize()) { - - throw new RSIllegalArgumentException( - "Input vector size must be >= output vector size."); - } - if (ain.getType().getElement().isCompatible(Element.U8(mRS)) && - ain.getType().getElement().isCompatible(Element.U8_4(mRS))) { - throw new RSIllegalArgumentException("Output type must be U32 or I32."); - } - - forEach(0, ain, null, null); - } - - /** - * Set the coefficients used for the RGBA to Luminocity - * calculation. The default is {0.299f, 0.587f, 0.114f, 0.f}. - * - * Coefficients must be >= 0 and sum to 1.0 or less. - * - * @param r Red coefficient - * @param g Green coefficient - * @param b Blue coefficient - * @param a Alpha coefficient - */ - public void setDotCoefficients(float r, float g, float b, float a) { - if ((r < 0.f) || (g < 0.f) || (b < 0.f) || (a < 0.f)) { - throw new RSIllegalArgumentException("Coefficient may not be negative."); - } - if ((r + g + b + a) > 1.f) { - throw new RSIllegalArgumentException("Sum of coefficients must be 1.0 or less."); - } - - FieldPacker fp = new FieldPacker(16); - fp.addF32(r); - fp.addF32(g); - fp.addF32(b); - fp.addF32(a); - setVar(0, fp); - } - - /** - * Set the output of the histogram. 32 bit integer types are - * supported. - * - * @param aout The output allocation - */ - public void setOutput(Allocation aout) { - mOut = aout; - if (mOut.getType().getElement() != Element.U32(mRS) && - mOut.getType().getElement() != Element.U32_2(mRS) && - mOut.getType().getElement() != Element.U32_3(mRS) && - mOut.getType().getElement() != Element.U32_4(mRS) && - mOut.getType().getElement() != Element.I32(mRS) && - mOut.getType().getElement() != Element.I32_2(mRS) && - mOut.getType().getElement() != Element.I32_3(mRS) && - mOut.getType().getElement() != Element.I32_4(mRS)) { - - throw new RSIllegalArgumentException("Output type must be U32 or I32."); - } - if ((mOut.getType().getX() != 256) || - (mOut.getType().getY() != 0) || - mOut.getType().hasMipmaps() || - (mOut.getType().getYuv() != 0)) { - - throw new RSIllegalArgumentException("Output must be 1D, 256 elements."); - } - setVar(1, aout); - } - - /** - * Process an input buffer and place the histogram into the - * output allocation. The dot product of the input channel and - * the coefficients from 'setDotCoefficients' are used to - * calculate the output values. - * - * 1D and 2D input allocations are supported. - * - * @param ain The input image - */ - public void forEach_Dot(Allocation ain) { - if (mOut.getType().getElement().getVectorSize() != 1) { - throw new RSIllegalArgumentException("Output vector size must be one."); - } - if (ain.getType().getElement().isCompatible(Element.U8(mRS)) && - ain.getType().getElement().isCompatible(Element.U8_4(mRS))) { - throw new RSIllegalArgumentException("Output type must be U32 or I32."); - } - - forEach(1, ain, null, null); - } - - - - /** - * Get a KernelID for this intrinsic kernel. - * - * @return Script.KernelID The KernelID object. - */ - public Script.KernelID getKernelID_Separate() { - return createKernelID(0, 3, 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); - } -} - |