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-rwxr-xr-xtests/sketch/src/com/android/gesture/GestureLib.java280
1 files changed, 0 insertions, 280 deletions
diff --git a/tests/sketch/src/com/android/gesture/GestureLib.java b/tests/sketch/src/com/android/gesture/GestureLib.java
deleted file mode 100755
index d0a25f2..0000000
--- a/tests/sketch/src/com/android/gesture/GestureLib.java
+++ /dev/null
@@ -1,280 +0,0 @@
-/*
- * Copyright (C) 2008-2009 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.android.gesture;
-
-import android.util.Log;
-import android.util.Xml;
-import android.util.Xml.Encoding;
-
-import com.android.gesture.recognizer.Classifier;
-import com.android.gesture.recognizer.Instance;
-import com.android.gesture.recognizer.NearestNeighbor;
-import com.android.gesture.recognizer.Prediction;
-
-import org.xml.sax.Attributes;
-import org.xml.sax.ContentHandler;
-import org.xml.sax.Locator;
-import org.xml.sax.SAXException;
-import org.xmlpull.v1.XmlSerializer;
-
-import java.io.BufferedInputStream;
-import java.io.BufferedOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Set;
-import java.util.StringTokenizer;
-
-public class GestureLib {
-
- private static final String LOGTAG = "GestureLib";
- private static String namespace = "ink";
- private final String datapath;
- private HashMap<String, ArrayList<Gesture>> name2gestures =
- new HashMap<String, ArrayList<Gesture>>();
- private Classifier mClassifier;
-
- public GestureLib(String path) {
- datapath = path;
- mClassifier = new NearestNeighbor();
- }
-
- public Classifier getClassifier() {
- return mClassifier;
- }
-
- /**
- * get all the labels in the library
- * @return a set of strings
- */
- public Set<String> getLabels() {
- return name2gestures.keySet();
- }
-
- public ArrayList<Prediction> recognize(Gesture gesture) {
- Instance instance = Instance.createInstance(gesture, null);
- return mClassifier.classify(instance);
- }
-
- public void addGesture(String name, Gesture gesture) {
- Log.v(LOGTAG, "add an example for gesture: " + name);
- ArrayList<Gesture> gestures = name2gestures.get(name);
- if (gestures == null) {
- gestures = new ArrayList<Gesture>();
- name2gestures.put(name, gestures);
- }
- gestures.add(gesture);
- mClassifier.addInstance(
- Instance.createInstance(gesture, name));
- }
-
- public void removeGesture(String name, Gesture gesture) {
- ArrayList<Gesture> gestures = name2gestures.get(name);
- if (gestures == null) {
- return;
- }
-
- gestures.remove(gesture);
-
- // if there are no more samples, remove the entry automatically
- if (gestures.isEmpty()) {
- name2gestures.remove(name);
- }
-
- mClassifier.removeInstance(gesture.getID());
- }
-
- public ArrayList<Gesture> getGestures(String label) {
- ArrayList<Gesture> gestures = name2gestures.get(label);
- if (gestures != null)
- return (ArrayList<Gesture>)gestures.clone();
- else
- return null;
- }
-
- public void load() {
- String filename = datapath
- + File.separator + "gestures.xml";
- File f = new File(filename);
- if (f.exists()) {
- try {
- loadInk(filename, null);
- }
- catch (SAXException ex) {
- ex.printStackTrace();
- } catch (IOException ex) {
- ex.printStackTrace();
- }
- }
- }
-
- public void save() {
- try {
- compactSave();
- } catch (IOException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
-
- private void compactSave() throws IOException {
- File f = new File(datapath);
- if (f.exists() == false) {
- f.mkdirs();
- }
- String filename = datapath + File.separator + "gestures.xml";
- Log.v(LOGTAG, "save to " + filename);
- BufferedOutputStream fos = new BufferedOutputStream(
- new FileOutputStream(filename));
-
- PrintWriter writer = new PrintWriter(fos);
- XmlSerializer serializer = Xml.newSerializer();
- serializer.setOutput(writer);
- serializer.startDocument(Encoding.ISO_8859_1.name(), null);
- serializer.startTag(namespace, "gestures");
- Iterator<String> it = name2gestures.keySet().iterator();
- while (it.hasNext()) {
- String key = it.next();
- ArrayList<Gesture> gestures = name2gestures.get(key);
- saveGestures(serializer, key, gestures);
- }
-
- serializer.endTag(namespace, "gestures");
- serializer.endDocument();
- serializer.flush();
- writer.close();
- fos.close();
- }
-
- private static void saveGestures(XmlSerializer serializer,
- String name, ArrayList<Gesture> strokes) throws IOException {
- serializer.startTag(namespace, "gesture");
- serializer.startTag(namespace, "name");
- serializer.text(name);
- serializer.endTag(namespace, "name");
- Iterator<Gesture> it = strokes.iterator();
- while (it.hasNext()) {
- Gesture stk = it.next();
- stk.toXML(namespace, serializer);
- }
- serializer.endTag(namespace, "gesture");
- }
-
- private void loadInk(String filename, String label) throws SAXException, IOException {
- Log.v(LOGTAG, "load from " + filename);
- BufferedInputStream in = new BufferedInputStream(
- new FileInputStream(filename));
- Xml.parse(in, Encoding.ISO_8859_1, new CompactInkHandler());
- in.close();
- }
-
- class CompactInkHandler implements ContentHandler {
-
- Gesture currentGesture = null;
- StringBuffer buffer = null;
- String gestureName;
- ArrayList<Gesture> gestures;
-
- CompactInkHandler() {
- }
-
- // Receive notification of character data.
- public void characters(char[] ch, int start, int length) {
- buffer.append(ch, start, length);
- }
-
- //Receive notification of the end of a document.
- public void endDocument() {
- }
-
- // Receive notification of the end of an element.
- public void endElement(String uri, String localName, String qName) {
- if (localName.equals("gesture")) {
- name2gestures.put(gestureName, gestures);
- gestures = null;
- } else if (localName.equals("name")) {
- gestureName = buffer.toString();
- } else if (localName.equals("stroke")) {
- StringTokenizer tokenizer = new StringTokenizer(buffer.toString(), ",");
- while (tokenizer.hasMoreTokens()) {
- String str = tokenizer.nextToken();
- float x = Float.parseFloat(str);
- str = tokenizer.nextToken();
- float y = Float.parseFloat(str);
- try
- {
- currentGesture.addPoint(x, y);
- }
- catch(Exception ex) {
- ex.printStackTrace();
- }
- }
- gestures.add(currentGesture);
- mClassifier.addInstance(
- Instance.createInstance(currentGesture, gestureName));
- currentGesture = null;
- }
- }
-
- // End the scope of a prefix-URI mapping.
- public void endPrefixMapping(String prefix) {
- }
-
- //Receive notification of ignorable whitespace in element content.
- public void ignorableWhitespace(char[] ch, int start, int length) {
- }
-
- //Receive notification of a processing instruction.
- public void processingInstruction(String target, String data) {
- }
-
- // Receive an object for locating the origin of SAX document events.
- public void setDocumentLocator(Locator locator) {
- }
-
- // Receive notification of a skipped entity.
- public void skippedEntity(String name) {
- }
-
- // Receive notification of the beginning of a document.
- public void startDocument() {
- }
-
- // Receive notification of the beginning of an element.
- public void startElement(String uri, String localName, String qName, Attributes atts) {
- if (localName.equals("gesture")) {
- gestures = new ArrayList<Gesture>();
- } else if (localName.equals("name")) {
- buffer = new StringBuffer();
- } else if (localName.equals("stroke")) {
- currentGesture = new Gesture();
- currentGesture.setTimestamp(Long.parseLong(atts.getValue(namespace, "timestamp")));
- currentGesture.setColor(Integer.parseInt(atts.getValue(namespace, "color")));
- currentGesture.setStrokeWidth(Float.parseFloat(atts.getValue(namespace, "width")));
- buffer = new StringBuffer();
- }
- }
-
- public void startPrefixMapping(String prefix, String uri) {
- }
- }
-}
generated by cgit v1.1 at 2025-08-18 06:58:26 +0000