110 lines
3.7 KiB
Java
110 lines
3.7 KiB
Java
/*
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* Copyright (C) 2012 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 it.sephiroth.android.library.exif2;
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class JpegHeader {
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/** Start Of Image **/
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public static final int TAG_SOI = 0xD8;
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/** JFIF (JPEG File Interchange Format) */
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public static final int TAG_M_JFIF = 0xE0;
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/** EXIF table */
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public static final int TAG_M_EXIF = 0xE1;
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/** Product Information Comment */
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public static final int TAG_M_COM = 0xFE;
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/** Quantization Table */
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public static final int TAG_M_DQT = 0xDB;
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/** Start of frame */
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public static final int TAG_M_SOF0 = 0xC0;
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public static final int TAG_M_SOF1 = 0xC1;
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public static final int TAG_M_SOF2 = 0xC2;
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public static final int TAG_M_SOF3 = 0xC3;
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public static final int TAG_M_DHT = 0xC4;
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public static final int TAG_M_SOF5 = 0xC5;
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public static final int TAG_M_SOF6 = 0xC6;
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public static final int TAG_M_SOF7 = 0xC7;
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public static final int TAG_M_SOF9 = 0xC9;
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public static final int TAG_M_SOF10 = 0xCA;
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public static final int TAG_M_SOF11 = 0xCB;
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public static final int TAG_M_SOF13 = 0xCD;
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public static final int TAG_M_SOF14 = 0xCE;
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public static final int TAG_M_SOF15 = 0xCF;
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/** Start Of Scan **/
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public static final int TAG_M_SOS = 0xDA;
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/** End of Image */
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public static final int TAG_M_EOI = 0xD9;
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public static final int TAG_M_IPTC = 0xED;
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/** default JFIF Header bytes */
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public static final byte JFIF_HEADER[] = {
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(byte) 0xff, (byte) JpegHeader.TAG_M_JFIF,
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0x00, 0x10, 'J', 'F', 'I', 'F',
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0x00, 0x01, 0x01, 0x01, 0x01, 0x2C, 0x01,
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0x2C, 0x00, 0x00
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};
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public static final short SOI = (short) 0xFFD8;
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public static final short M_EXIF = (short) 0xFFE1;
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public static final short M_JFIF = (short) 0xFFE0;
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public static final short M_EOI = (short) 0xFFD9;
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/**
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* SOF (start of frame). All value between M_SOF0 and SOF15 is SOF marker except for M_DHT, JPG,
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* and DAC marker.
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*/
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public static final short M_SOF0 = (short) 0xFFC0;
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public static final short M_SOF1 = (short) 0xFFC1;
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public static final short M_SOF2 = (short) 0xFFC2;
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public static final short M_SOF3 = (short) 0xFFC3;
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public static final short M_SOF5 = (short) 0xFFC5;
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public static final short M_SOF6 = (short) 0xFFC6;
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public static final short M_SOF7 = (short) 0xFFC7;
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public static final short M_SOF9 = (short) 0xFFC9;
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public static final short M_SOF10 = (short) 0xFFCA;
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public static final short M_SOF11 = (short) 0xFFCB;
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public static final short M_SOF13 = (short) 0xFFCD;
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public static final short M_SOF14 = (short) 0xFFCE;
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public static final short M_SOF15 = (short) 0xFFCF;
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public static final short M_DHT = (short) 0xFFC4;
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public static final short JPG = (short) 0xFFC8;
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public static final short DAC = (short) 0xFFCC;
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/** Define quantization table */
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public static final short M_DQT = (short) 0xFFDB;
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/** IPTC marker */
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public static final short M_IPTC = (short) 0xFFED;
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/** Start of scan (begins compressed data */
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public static final short M_SOS = (short) 0xFFDA;
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/** Comment section * */
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public static final short M_COM = (short) 0xFFFE; // Comment section
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public static final boolean isSofMarker( short marker ) {
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return marker >= M_SOF0 && marker <= M_SOF15 && marker != M_DHT && marker != JPG && marker != DAC;
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}
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}
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