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/*
* Copyright (C) 2013 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.filtershow.tools;
import android.content.Context;
import android.net.Uri;
import android.util.Log;
import com.adobe.xmp.XMPException;
import com.adobe.xmp.XMPMeta;
import com.adobe.xmp.XMPMetaFactory;
import com.android.gallery3d.R;
import com.android.gallery3d.common.Utils;
import com.android.gallery3d.filtershow.imageshow.MasterImage;
import com.android.gallery3d.filtershow.pipeline.ImagePreset;
import com.android.gallery3d.util.XmpUtilHelper;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.InputStream;
public class XmpPresets {
public static final String
XMP_GOOGLE_FILTER_NAMESPACE = "http://ns.google.com/photos/1.0/filter/";
public static final String XMP_GOOGLE_FILTER_PREFIX = "AFltr";
public static final String XMP_SRC_FILE_URI = "SourceFileUri";
public static final String XMP_FILTERSTACK = "filterstack";
private static final String LOGTAG = "XmpPresets";
public static class XMresults {
public String presetString;
public ImagePreset preset;
public Uri originalimage;
}
static {
try {
XMPMetaFactory.getSchemaRegistry().registerNamespace(
XMP_GOOGLE_FILTER_NAMESPACE, XMP_GOOGLE_FILTER_PREFIX);
} catch (XMPException e) {
Log.e(LOGTAG, "Register XMP name space failed", e);
}
}
public static void writeFilterXMP(
Context context, Uri srcUri, File dstFile, ImagePreset preset) {
InputStream is = null;
XMPMeta xmpMeta = null;
try {
is = context.getContentResolver().openInputStream(srcUri);
xmpMeta = XmpUtilHelper.extractXMPMeta(is);
} catch (FileNotFoundException e) {
} finally {
Utils.closeSilently(is);
}
if (xmpMeta == null) {
xmpMeta = XMPMetaFactory.create();
}
try {
xmpMeta.setProperty(XMP_GOOGLE_FILTER_NAMESPACE,
XMP_SRC_FILE_URI, srcUri.toString());
xmpMeta.setProperty(XMP_GOOGLE_FILTER_NAMESPACE,
XMP_FILTERSTACK, preset.getJsonString(context.getString(R.string.saved)));
} catch (XMPException e) {
Log.v(LOGTAG, "Write XMP meta to file failed:" + dstFile.getAbsolutePath());
return;
}
if (!XmpUtilHelper.writeXMPMeta(dstFile.getAbsolutePath(), xmpMeta)) {
Log.v(LOGTAG, "Write XMP meta to file failed:" + dstFile.getAbsolutePath());
}
}
public static XMresults extractXMPData(
Context context, MasterImage mMasterImage, Uri uriToEdit) {
XMresults ret = new XMresults();
InputStream is = null;
XMPMeta xmpMeta = null;
try {
is = context.getContentResolver().openInputStream(uriToEdit);
xmpMeta = XmpUtilHelper.extractXMPMeta(is);
} catch (FileNotFoundException e) {
} finally {
Utils.closeSilently(is);
}
if (xmpMeta == null) {
return null;
}
try {
String strSrcUri = xmpMeta.getPropertyString(XMP_GOOGLE_FILTER_NAMESPACE,
XMP_SRC_FILE_URI);
if (strSrcUri != null) {
String filterString = xmpMeta.getPropertyString(XMP_GOOGLE_FILTER_NAMESPACE,
XMP_FILTERSTACK);
Uri srcUri = Uri.parse(strSrcUri);
ret.originalimage = srcUri;
ret.preset = new ImagePreset(mMasterImage.getPreset());
ret.presetString = filterString;
boolean ok = ret.preset.readJsonFromString(filterString);
if (!ok) {
return null;
}
return ret;
}
} catch (XMPException e) {
e.printStackTrace();
}
return null;
}
}
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