/* * 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; } }