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/*
* Copyright (c) 2016, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.camera.mpo;
import java.util.ArrayList;
import java.util.List;
import com.android.camera.mpo.MpoTag.MpEntry;
public class MpoData {
private MpoImageData mPrimaryMpoImage;
private ArrayList<MpoImageData> mAuxiliaryImages = new ArrayList<MpoImageData>();
public MpoData() {
}
public void setPrimaryMpoImage(MpoImageData image) {
mPrimaryMpoImage = image;
addDefaultAttribIfdTags(mPrimaryMpoImage, 1);
addDefaultIndexIfdTags();
}
public void addAuxiliaryMpoImage(MpoImageData image) {
mAuxiliaryImages.add(image);
int imageNum = getAuxiliaryImageCount() + ((mPrimaryMpoImage == null) ? 0 : 1);
addDefaultAttribIfdTags(image, imageNum);
}
public boolean removeAuxiliaryMpoImage(MpoImageData image) {
boolean ret = mAuxiliaryImages.remove(image);
return ret;
}
public MpoImageData getPrimaryMpoImage() {
return mPrimaryMpoImage;
}
public List<MpoImageData> getAuxiliaryMpoImages() {
return mAuxiliaryImages;
}
public int getAuxiliaryImageCount() {
return mAuxiliaryImages.size();
}
public void addDefaultAttribIfdTags(MpoImageData image, int imageNum) {
MpoTag mpFormatVersionTag = new MpoTag((short) MpoInterface.TAG_MP_FORMAT_VERSION,
MpoTag.TYPE_UNDEFINED, 4, MpoIfdData.TYPE_MP_ATTRIB_IFD, true);
mpFormatVersionTag.setValue(MpoIfdData.MP_FORMAT_VER_VALUE);
image.addTag(mpFormatVersionTag);
MpoTag imageNumTag = new MpoTag((short) MpoInterface.TAG_IMAGE_NUMBER,
MpoTag.TYPE_UNSIGNED_LONG, 1, MpoIfdData.TYPE_MP_ATTRIB_IFD, false);
imageNumTag.setValue(imageNum);
image.addTag(imageNumTag);
}
public void addDefaultIndexIfdTags() {
if (mPrimaryMpoImage == null)
throw new IllegalArgumentException("Primary Mpo Image has not been set");
if (getAuxiliaryImageCount() == 0)
throw new IllegalArgumentException("No auxiliary images have been added");
MpoTag mpFormatVersionTag = mPrimaryMpoImage.getTag(
(short) MpoInterface.TAG_MP_FORMAT_VERSION, MpoIfdData.TYPE_MP_INDEX_IFD);
if (mpFormatVersionTag == null) {
mpFormatVersionTag = new MpoTag((short) MpoInterface.TAG_MP_FORMAT_VERSION,
MpoTag.TYPE_UNDEFINED, 4, MpoIfdData.TYPE_MP_INDEX_IFD, true);
mpFormatVersionTag.setValue(MpoIfdData.MP_FORMAT_VER_VALUE);
mPrimaryMpoImage.addTag(mpFormatVersionTag);
}
MpoTag numImagesTag = mPrimaryMpoImage.getTag((short) MpoInterface.TAG_NUM_IMAGES,
MpoIfdData.TYPE_MP_INDEX_IFD);
if (numImagesTag == null) {
numImagesTag = new MpoTag((short) MpoInterface.TAG_NUM_IMAGES,
MpoTag.TYPE_UNSIGNED_LONG, 1, MpoIfdData.TYPE_MP_INDEX_IFD, false);
}
numImagesTag.setValue(getAuxiliaryImageCount() + 1);
mPrimaryMpoImage.addTag(numImagesTag);
// check, create and add required tags
MpoTag mpEntryTag = new MpoTag((short) MpoInterface.TAG_MP_ENTRY, MpoTag.TYPE_UNDEFINED,
MpoTag.SIZE_UNDEFINED, MpoIfdData.TYPE_MP_INDEX_IFD, false);
ArrayList<MpEntry> mpEntries = new ArrayList<MpEntry>(getAuxiliaryImageCount() + 1);
mpEntries.add(new MpEntry()); // primary image
for (int i = 0; i < getAuxiliaryImageCount(); i++) {
mpEntries.add(new MpEntry()); // aux images
}
mpEntryTag.setValue(mpEntries);
mPrimaryMpoImage.addTag(mpEntryTag);
}
public void updateAllTags() {
updateAttribIfdTags();
updateIndexIfdTags();
}
private void updateIndexIfdTags() {
if (mPrimaryMpoImage == null)
throw new IllegalArgumentException("Primary Mpo Image has not been set");
if (getAuxiliaryImageCount() == 0)
throw new IllegalArgumentException("No auxiliary images have been added");
MpoTag numImagesTag = mPrimaryMpoImage.getTag((short) MpoInterface.TAG_NUM_IMAGES,
MpoIfdData.TYPE_MP_INDEX_IFD);
if (numImagesTag == null) {
numImagesTag = new MpoTag((short) MpoInterface.TAG_NUM_IMAGES,
MpoTag.TYPE_UNSIGNED_LONG, 1, MpoIfdData.TYPE_MP_INDEX_IFD, false);
}
numImagesTag.setValue(getAuxiliaryImageCount() + 1);
mPrimaryMpoImage.addTag(numImagesTag);
// check, create and add required tags
MpoTag mpEntryTag = new MpoTag((short) MpoInterface.TAG_MP_ENTRY, MpoTag.TYPE_UNDEFINED,
MpoTag.SIZE_UNDEFINED, MpoIfdData.TYPE_MP_INDEX_IFD, false);
ArrayList<MpEntry> mpEntries = new ArrayList<MpEntry>(getAuxiliaryImageCount() + 1);
int imgOffset = 0;
// primary image
MpEntry entry = new MpEntry(1 << 29, mPrimaryMpoImage.calculateImageSize(), imgOffset);
mpEntries.add(entry);
imgOffset += mPrimaryMpoImage.calculateImageSize();
for (MpoImageData image : getAuxiliaryMpoImages()) {
int imageSize = image.calculateImageSize();
entry = new MpEntry(0x020002, imageSize, imgOffset);
mpEntries.add(entry); // aux images
imgOffset += imageSize;
}
mpEntryTag.setValue(mpEntries);
mPrimaryMpoImage.addTag(mpEntryTag);
}
private void updateAttribIfdTags() {
if (mPrimaryMpoImage == null)
throw new IllegalArgumentException("Primary Mpo Image has not been set");
if (getAuxiliaryImageCount() == 0)
throw new IllegalArgumentException("No auxiliary images have been added");
int imageNum = 1;
MpoTag imageNumTag = null;
imageNumTag = new MpoTag((short) MpoInterface.TAG_IMAGE_NUMBER, MpoTag.TYPE_UNSIGNED_LONG,
1, MpoIfdData.TYPE_MP_ATTRIB_IFD, false);
imageNumTag.setValue(0xFFFFFFFFL);
mPrimaryMpoImage.addTag(imageNumTag);
for (MpoImageData image : getAuxiliaryMpoImages()) {
imageNumTag = new MpoTag((short) MpoInterface.TAG_IMAGE_NUMBER,
MpoTag.TYPE_UNSIGNED_LONG, 1, MpoIfdData.TYPE_MP_ATTRIB_IFD, false);
imageNumTag.setValue(imageNum++);
image.addTag(imageNumTag);
}
}
}
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