diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/tools/XmpPresets.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/tools/XmpPresets.java | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/tools/XmpPresets.java b/src/com/android/gallery3d/filtershow/tools/XmpPresets.java new file mode 100644 index 000000000..be75f0253 --- /dev/null +++ b/src/com/android/gallery3d/filtershow/tools/XmpPresets.java @@ -0,0 +1,133 @@ +/* + * 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.presets.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; + } +} |