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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.loaders;
import android.renderscript.RenderScript;
import android.util.Log;
import com.example.android.rs.vr.engine.Volume;
import java.io.File;
import java.io.FileReader;
import java.io.FilenameFilter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Properties;
public class VolumeLoader {
private static final String LOGTAG = "VolumeLoader";
HashMap<String, Properties> map = new HashMap<String, Properties>();
File baseDir;
ProgressListener mListener;
public VolumeLoader(String dir) {
map.put(Mandelbulb.NAME,null);
baseDir = new File(dir);
if (!baseDir.exists()) {
Log.e(LOGTAG, "Directory: \""+dir+"\" does not exist ");
return;
}
Properties[] prop = getPropertyFiles(baseDir);
for (int i = 0; i < prop.length; i++) {
map.put(prop[i].getProperty("name"), prop[i]);
}
}
public String[] getNames() {
String [] ret = map.keySet().toArray(new String[map.size()]);
Arrays.sort(ret);
return ret;
}
public Volume getVolume(RenderScript rs, String name) {
if (name.equals(Mandelbulb.NAME)) {
return Mandelbulb.buildRSVolume(rs,mListener);
}
Properties p = map.get(name);
if (p == null) {
Log.v(LOGTAG,"Could not find "+name);
return null;
}
String dir = p.getProperty("dir");
Log.v(LOGTAG,"dir ="+dir);
if ("dicom".equalsIgnoreCase(p.getProperty("format"))) {
Log.v(LOGTAG,"processing dicom");
Volume v = LoaderDicom.buildRSVolume(rs, new File(baseDir, dir), mListener);
String [] looks = p.getProperty("looks").split(",");
for (int j = 0; j < looks.length; j++) {
String look_color = p.getProperty(looks[j]+".color");
String look_opacity = p.getProperty(looks[j]+".opacity");
v.addLook(looks[j],look_color,look_opacity);
}
return v;
} else if ("raw".equalsIgnoreCase(p.getProperty("format"))) {
Log.v(LOGTAG,"processing dicom");
Volume v = LoaderRaw.buildRSVolume(rs, new File(baseDir, dir), p, mListener);
String [] looks = p.getProperty("looks").split(",");
for (int j = 0; j < looks.length; j++) {
String look_color = p.getProperty(looks[j]+".color");
String look_opacity = p.getProperty(looks[j]+".opacity");
v.addLook(looks[j],look_color,look_opacity);
}
return v;
}
Log.v(LOGTAG,"could recognize format");
return null;
}
static Properties[] getPropertyFiles(File dir) {
File[] f = dir.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
Log.v(LOGTAG, name);
return name.endsWith(".prop");
}
});
Properties[]ret = new Properties[f.length];
for (int i = 0; i < f.length; i++) {
Properties prop = new Properties();
ret[i] = prop;
try {
prop.load(new FileReader(f[i]));
} catch (Exception e) {
e.printStackTrace();
}
}
return ret;
}
public void setProgressListener(ProgressListener listener){
mListener = listener;
}
public static interface ProgressListener {
public void progress(int n, int total);
}
}
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