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/*
* Copyright (C) 2015 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 com.example.android.rs.vr.engine;
import android.renderscript.Allocation;
import android.util.Log;
import java.util.Arrays;
import java.util.HashMap;
/**
* Defines a simple volume to be used in the volume renderer
*/
public class Volume {
private static final String LOGTAG = "Volume";
public short[][] mData;
public Allocation mVolumeAllocation; // one big volume
public int mDimz = -1;
public int mDimy = -1;
public int mDimx = -1;
public float[] mVoxelDim = new float[]{1f, 1f, 1f};
private HashMap<String, Look> mLooks = new HashMap<String, Look>();
@Override
public String toString() {
String ret = "Volume[" + mDimx + "," + mDimy + "," + mDimz + "]";
ret += "(" + mVoxelDim[0] + ", " + mVoxelDim[1] + ", " + mVoxelDim[2] + ")";
return ret;
}
public String[] getLookNames() {
return mLooks.keySet().toArray(new String[mLooks.size()]);
}
public int[][] getLookColor(String name) {
return mLooks.get(name).mColor;
}
public int[][] getLookOpactiy(String name) {
return mLooks.get(name).mOpacity;
}
public void addLook(String name, int[][] color, int[][] opacity) {
mLooks.put(name, new Look(name, color, opacity));
}
public void addLook(String name, String color_string, String opacity_string) {
mLooks.put(name, new Look(name, color_string, opacity_string));
Look l = mLooks.get(name);
Log.v(LOGTAG, " ========================== " + name + " =============================");
Log.v(LOGTAG, "mColor "+l.dblArrayToString(l.mColor));
Log.v(LOGTAG, "mOpacity "+l.dblArrayToString(l.mOpacity));
}
class Look {
int[][] mColor;
int[][] mOpacity;
String mName;
public Look(String name, String color_string, String opacity_string) {
mName = name;
String[] colorSplit = color_string.split("\\}\\s*\\,\\s*\\{");
String[] opacitySplit = opacity_string.split("\\}\\s*\\,\\s*\\{");
mColor = new int[colorSplit.length][];
for (int i = 0; i < colorSplit.length; i++) {
mColor[i] = readNumbers(colorSplit[i]);
}
mOpacity = new int[opacitySplit.length][];
for (int i = 0; i < opacitySplit.length; i++) {
mOpacity[i] = readNumbers(opacitySplit[i]);
}
}
public Look(String name, int[][] color, int[][] opacity) {
mColor = color;
mOpacity = opacity;
mName =name;
}
private int[] readNumbers(String numList) {
numList = numList.replace('{', ' ');
numList = numList.replace('}', ' ');
numList = numList.replace(';', ' ');
String[] split = numList.split(",");
int[] ret = new int[split.length];
for (int i = 0; i < ret.length; i++) {
ret[i] = Integer.decode(split[i].trim());
}
return ret;
}
private String dblArrayToString(int[][] v) {
String s = "";
for (int i = 0; i < v.length; i++) {
if (i > 0) {
s += ",";
}
s += Arrays.toString(v[i]);
}
return s;
}
public String toString() {
return "mColor=" + dblArrayToString(mColor) + "\nmOpacity=" + dblArrayToString(mOpacity);
}
}
}
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