blob: b0a4553cf759f27c48932da186eaa40684afbbce [file] [log] [blame]
/*
* Copyright (C) 2006 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.graphics;
import android.content.res.AssetManager;
import java.io.InputStream;
import java.io.FileInputStream;
public class Movie {
private final long mNativeMovie;
private Movie(long nativeMovie) {
if (nativeMovie == 0) {
throw new RuntimeException("native movie creation failed");
}
mNativeMovie = nativeMovie;
}
public native int width();
public native int height();
public native boolean isOpaque();
public native int duration();
public native boolean setTime(int relativeMilliseconds);
public native void draw(Canvas canvas, float x, float y, Paint paint);
public void draw(Canvas canvas, float x, float y) {
draw(canvas, x, y, null);
}
public static Movie decodeStream(InputStream is) {
if (is == null) {
return null;
}
if (is instanceof AssetManager.AssetInputStream) {
final long asset = ((AssetManager.AssetInputStream) is).getNativeAsset();
return nativeDecodeAsset(asset);
}
return nativeDecodeStream(is);
}
private static native Movie nativeDecodeAsset(long asset);
private static native Movie nativeDecodeStream(InputStream is);
public static native Movie decodeByteArray(byte[] data, int offset,
int length);
private static native void nativeDestructor(long nativeMovie);
public static Movie decodeFile(String pathName) {
InputStream is;
try {
is = new FileInputStream(pathName);
}
catch (java.io.FileNotFoundException e) {
return null;
}
return decodeTempStream(is);
}
@Override
protected void finalize() throws Throwable {
try {
nativeDestructor(mNativeMovie);
} finally {
super.finalize();
}
}
private static Movie decodeTempStream(InputStream is) {
Movie moov = null;
try {
moov = decodeStream(is);
is.close();
}
catch (java.io.IOException e) {
/* do nothing.
If the exception happened on open, moov will be null.
If it happened on close, moov is still valid.
*/
}
return moov;
}
}