diff options
Diffstat (limited to 'gallerycommon/src/com/android/gallery3d/exif/JpegHeader.java')
| -rw-r--r-- | gallerycommon/src/com/android/gallery3d/exif/JpegHeader.java | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gallerycommon/src/com/android/gallery3d/exif/JpegHeader.java b/gallerycommon/src/com/android/gallery3d/exif/JpegHeader.java new file mode 100644 index 000000000..e3e787eff --- /dev/null +++ b/gallerycommon/src/com/android/gallery3d/exif/JpegHeader.java @@ -0,0 +1,39 @@ +/* + * 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; + +class JpegHeader { + public static final short SOI = (short) 0xFFD8; + public static final short APP1 = (short) 0xFFE1; + public static final short APP0 = (short) 0xFFE0; + public static final short EOI = (short) 0xFFD9; + + /** + * SOF (start of frame). All value between SOF0 and SOF15 is SOF marker except for DHT, JPG, + * and DAC marker. + */ + public static final short SOF0 = (short) 0xFFC0; + public static final short SOF15 = (short) 0xFFCF; + public static final short DHT = (short) 0xFFC4; + public static final short JPG = (short) 0xFFC8; + public static final short DAC = (short) 0xFFCC; + + public static final boolean isSofMarker(short marker) { + return marker >= SOF0 && marker <= SOF15 && marker != DHT && marker != JPG + && marker != DAC; + } +} |