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Diffstat (limited to 'WallpaperPicker/src/com/android/gallery3d/exif/OrderedDataOutputStream.java')
-rw-r--r--WallpaperPicker/src/com/android/gallery3d/exif/OrderedDataOutputStream.java56
1 files changed, 56 insertions, 0 deletions
diff --git a/WallpaperPicker/src/com/android/gallery3d/exif/OrderedDataOutputStream.java b/WallpaperPicker/src/com/android/gallery3d/exif/OrderedDataOutputStream.java
new file mode 100644
index 000000000..428e6b9fc
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+++ b/WallpaperPicker/src/com/android/gallery3d/exif/OrderedDataOutputStream.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2012 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.gallery3d.exif;
+
+import java.io.FilterOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+class OrderedDataOutputStream extends FilterOutputStream {
+ private final ByteBuffer mByteBuffer = ByteBuffer.allocate(4);
+
+ public OrderedDataOutputStream(OutputStream out) {
+ super(out);
+ }
+
+ public OrderedDataOutputStream setByteOrder(ByteOrder order) {
+ mByteBuffer.order(order);
+ return this;
+ }
+
+ public OrderedDataOutputStream writeShort(short value) throws IOException {
+ mByteBuffer.rewind();
+ mByteBuffer.putShort(value);
+ out.write(mByteBuffer.array(), 0, 2);
+ return this;
+ }
+
+ public OrderedDataOutputStream writeInt(int value) throws IOException {
+ mByteBuffer.rewind();
+ mByteBuffer.putInt(value);
+ out.write(mByteBuffer.array());
+ return this;
+ }
+
+ public OrderedDataOutputStream writeRational(Rational rational) throws IOException {
+ writeInt((int) rational.getNumerator());
+ writeInt((int) rational.getDenominator());
+ return this;
+ }
+}