dcaf5593dd
For storing pointers, long is used in Movie class, as native pointers can be 64-bit. In addition, some minor changes have been done to conform with standard JNI practice (e.g. use of jint instead of int in JNI function prototypes) Change-Id: I946325e4af6cb9282012bebdaee89e1117d8797b Signed-off-by: Ashok Bhat <ashok.bhat@arm.com> Signed-off-by: Marcus Oakland <marcus.oakland@arm.com>
100 lines
2.9 KiB
Java
100 lines
2.9 KiB
Java
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.graphics;
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import android.content.res.AssetManager;
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import java.io.InputStream;
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import java.io.FileInputStream;
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public class Movie {
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private final long mNativeMovie;
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private Movie(long nativeMovie) {
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if (nativeMovie == 0) {
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throw new RuntimeException("native movie creation failed");
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}
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mNativeMovie = nativeMovie;
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}
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public native int width();
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public native int height();
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public native boolean isOpaque();
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public native int duration();
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public native boolean setTime(int relativeMilliseconds);
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public native void draw(Canvas canvas, float x, float y, Paint paint);
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public void draw(Canvas canvas, float x, float y) {
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draw(canvas, x, y, null);
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}
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public static Movie decodeStream(InputStream is) {
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if (is == null) {
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return null;
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}
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if (is instanceof AssetManager.AssetInputStream) {
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final long asset = ((AssetManager.AssetInputStream) is).getNativeAsset();
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return nativeDecodeAsset(asset);
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}
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return nativeDecodeStream(is);
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}
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private static native Movie nativeDecodeAsset(long asset);
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private static native Movie nativeDecodeStream(InputStream is);
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public static native Movie decodeByteArray(byte[] data, int offset,
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int length);
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private static native void nativeDestructor(long nativeMovie);
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public static Movie decodeFile(String pathName) {
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InputStream is;
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try {
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is = new FileInputStream(pathName);
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}
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catch (java.io.FileNotFoundException e) {
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return null;
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}
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return decodeTempStream(is);
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}
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@Override
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protected void finalize() throws Throwable {
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try {
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nativeDestructor(mNativeMovie);
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} finally {
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super.finalize();
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}
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}
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private static Movie decodeTempStream(InputStream is) {
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Movie moov = null;
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try {
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moov = decodeStream(is);
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is.close();
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}
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catch (java.io.IOException e) {
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/* do nothing.
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If the exception happened on open, moov will be null.
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If it happened on close, moov is still valid.
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*/
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}
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return moov;
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}
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}
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