diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/filters/FilterMirrorRepresentation.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/filters/FilterMirrorRepresentation.java | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/FilterMirrorRepresentation.java b/src/com/android/gallery3d/filtershow/filters/FilterMirrorRepresentation.java new file mode 100644 index 000000000..8dcff0d16 --- /dev/null +++ b/src/com/android/gallery3d/filtershow/filters/FilterMirrorRepresentation.java @@ -0,0 +1,190 @@ +/* + * 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.filters; + +import android.util.JsonReader; +import android.util.JsonWriter; +import android.util.Log; + +import com.android.gallery3d.R; +import com.android.gallery3d.filtershow.editors.EditorMirror; + +import java.io.IOException; + +public class FilterMirrorRepresentation extends FilterRepresentation { + public static final String SERIALIZATION_NAME = "MIRROR"; + private static final String SERIALIZATION_MIRROR_VALUE = "value"; + private static final String TAG = FilterMirrorRepresentation.class.getSimpleName(); + + Mirror mMirror; + + public enum Mirror { + NONE('N'), VERTICAL('V'), HORIZONTAL('H'), BOTH('B'); + char mValue; + + private Mirror(char value) { + mValue = value; + } + + public char value() { + return mValue; + } + + public static Mirror fromValue(char value) { + switch (value) { + case 'N': + return NONE; + case 'V': + return VERTICAL; + case 'H': + return HORIZONTAL; + case 'B': + return BOTH; + default: + return null; + } + } + } + + public FilterMirrorRepresentation(Mirror mirror) { + super(FilterMirrorRepresentation.class.getSimpleName()); + setSerializationName(SERIALIZATION_NAME); + setShowParameterValue(true); + setFilterClass(FilterMirrorRepresentation.class); + setFilterType(FilterRepresentation.TYPE_GEOMETRY); + setTextId(R.string.mirror); + setEditorId(EditorMirror.ID); + setMirror(mirror); + } + + public FilterMirrorRepresentation(FilterMirrorRepresentation m) { + this(m.getMirror()); + } + + public FilterMirrorRepresentation() { + this(getNil()); + } + + @Override + public boolean equals(FilterRepresentation rep) { + if (!(rep instanceof FilterMirrorRepresentation)) { + return false; + } + FilterMirrorRepresentation mirror = (FilterMirrorRepresentation) rep; + if (mMirror != mirror.mMirror) { + return false; + } + return true; + } + + public Mirror getMirror() { + return mMirror; + } + + public void set(FilterMirrorRepresentation r) { + mMirror = r.mMirror; + } + + public void setMirror(Mirror mirror) { + if (mirror == null) { + throw new IllegalArgumentException("Argument to setMirror is null"); + } + mMirror = mirror; + } + + public void cycle() { + switch (mMirror) { + case NONE: + mMirror = Mirror.HORIZONTAL; + break; + case HORIZONTAL: + mMirror = Mirror.VERTICAL; + break; + case VERTICAL: + mMirror = Mirror.BOTH; + break; + case BOTH: + mMirror = Mirror.NONE; + break; + } + } + + @Override + public boolean allowsSingleInstanceOnly() { + return true; + } + + @Override + public FilterRepresentation copy() { + return new FilterMirrorRepresentation(this); + } + + @Override + protected void copyAllParameters(FilterRepresentation representation) { + if (!(representation instanceof FilterMirrorRepresentation)) { + throw new IllegalArgumentException("calling copyAllParameters with incompatible types!"); + } + super.copyAllParameters(representation); + representation.useParametersFrom(this); + } + + @Override + public void useParametersFrom(FilterRepresentation a) { + if (!(a instanceof FilterMirrorRepresentation)) { + throw new IllegalArgumentException("calling useParametersFrom with incompatible types!"); + } + setMirror(((FilterMirrorRepresentation) a).getMirror()); + } + + @Override + public boolean isNil() { + return mMirror == getNil(); + } + + public static Mirror getNil() { + return Mirror.NONE; + } + + @Override + public void serializeRepresentation(JsonWriter writer) throws IOException { + writer.beginObject(); + writer.name(SERIALIZATION_MIRROR_VALUE).value(mMirror.value()); + writer.endObject(); + } + + @Override + public void deSerializeRepresentation(JsonReader reader) throws IOException { + boolean unset = true; + reader.beginObject(); + while (reader.hasNext()) { + String name = reader.nextName(); + if (SERIALIZATION_MIRROR_VALUE.equals(name)) { + Mirror r = Mirror.fromValue((char) reader.nextInt()); + if (r != null) { + setMirror(r); + unset = false; + } + } else { + reader.skipValue(); + } + } + if (unset) { + Log.w(TAG, "WARNING: bad value when deserializing " + SERIALIZATION_NAME); + } + reader.endObject(); + } +} |