73 lines
2.3 KiB
Java
73 lines
2.3 KiB
Java
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package org.thoughtcrime.securesms.util;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.net.Uri;
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import android.util.Log;
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import org.thoughtcrime.securesms.R;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.database.DatabaseFactory;
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import org.thoughtcrime.securesms.database.PartDatabase;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.concurrent.Callable;
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import ws.com.google.android.mms.ContentType;
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import ws.com.google.android.mms.MmsException;
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import ws.com.google.android.mms.pdu.PduPart;
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public class MediaUtil {
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private static final String TAG = MediaUtil.class.getSimpleName();
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public static ThumbnailData generateThumbnail(Context context, MasterSecret masterSecret, Uri uri, String type)
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throws IOException, BitmapDecodingException, OutOfMemoryError
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{
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long startMillis = System.currentTimeMillis();
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ThumbnailData data;
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if (ContentType.isImageType(type)) data = new ThumbnailData(generateImageThumbnail(context, masterSecret, uri));
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else data = null;
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if (data != null) {
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Log.w(TAG, String.format("generated thumbnail for part, %dx%d (%.3f:1) in %dms",
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data.getBitmap().getWidth(), data.getBitmap().getHeight(),
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data.getAspectRatio(), System.currentTimeMillis() - startMillis));
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}
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return data;
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}
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private static Bitmap generateImageThumbnail(Context context, MasterSecret masterSecret, Uri uri)
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throws IOException, BitmapDecodingException, OutOfMemoryError
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{
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int maxSize = context.getResources().getDimensionPixelSize(R.dimen.thumbnail_max_size);
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return BitmapUtil.createScaledBitmap(context, masterSecret, uri, maxSize, maxSize);
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}
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public static class ThumbnailData {
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Bitmap bitmap;
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float aspectRatio;
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public ThumbnailData(Bitmap bitmap) {
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this.bitmap = bitmap;
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this.aspectRatio = (float) bitmap.getWidth() / (float) bitmap.getHeight();
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}
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public Bitmap getBitmap() {
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return bitmap;
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}
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public float getAspectRatio() {
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return aspectRatio;
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}
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public InputStream toDataStream() {
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InputStream jpegStream = BitmapUtil.toCompressedJpeg(bitmap);
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bitmap.recycle();
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return jpegStream;
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}
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}
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}
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