1 files changed, 126 insertions, 0 deletions
diff --git a/java/tests/VrDemo/src/com/example/android/rs/vr/loaders/VolumeLoader.java b/java/tests/VrDemo/src/com/example/android/rs/vr/loaders/VolumeLoader.java
new file mode 100644
index 00000000..2321e294
--- /dev/null
+++ b/java/tests/VrDemo/src/com/example/android/rs/vr/loaders/VolumeLoader.java
@@ -0,0 +1,126 @@
+/*
+ * 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);
+    }
+}