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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.filters;
import android.util.JsonReader;
import android.util.JsonWriter;
import android.util.Log;
import com.android.gallery3d.R;
import com.android.gallery3d.filtershow.editors.EditorStraighten;
import java.io.IOException;
public class FilterStraightenRepresentation extends FilterRepresentation {
public static final String SERIALIZATION_NAME = "STRAIGHTEN";
public static final String SERIALIZATION_STRAIGHTEN_VALUE = "value";
private static final String TAG = FilterStraightenRepresentation.class.getSimpleName();
float mStraighten;
public FilterStraightenRepresentation(float straighten) {
super(FilterStraightenRepresentation.class.getSimpleName());
setSerializationName(SERIALIZATION_NAME);
setShowParameterValue(true);
setFilterClass(FilterStraightenRepresentation.class);
setFilterType(FilterRepresentation.TYPE_GEOMETRY);
setTextId(R.string.straighten);
setEditorId(EditorStraighten.ID);
setStraighten(straighten);
}
public FilterStraightenRepresentation(FilterStraightenRepresentation s) {
this(s.getStraighten());
}
public FilterStraightenRepresentation() {
this(0);
}
public void set(FilterStraightenRepresentation r) {
mStraighten = r.mStraighten;
}
public float getStraighten() {
return mStraighten;
}
public void setStraighten(float straighten) {
if (!rangeCheck(straighten)) {
straighten = Math.min(Math.max(straighten, -45), 45);
}
mStraighten = straighten;
}
@Override
public boolean allowsSingleInstanceOnly() {
return true;
}
@Override
public FilterRepresentation copy() {
return new FilterStraightenRepresentation(this);
}
@Override
protected void copyAllParameters(FilterRepresentation representation) {
if (!(representation instanceof FilterStraightenRepresentation)) {
throw new IllegalArgumentException("calling copyAllParameters with incompatible types!");
}
super.copyAllParameters(representation);
representation.useParametersFrom(this);
}
@Override
public void useParametersFrom(FilterRepresentation a) {
if (!(a instanceof FilterStraightenRepresentation)) {
throw new IllegalArgumentException("calling useParametersFrom with incompatible types!");
}
setStraighten(((FilterStraightenRepresentation) a).getStraighten());
}
@Override
public boolean isNil() {
return mStraighten == 0;
}
@Override
public void serializeRepresentation(JsonWriter writer) throws IOException {
writer.beginObject();
writer.name(SERIALIZATION_STRAIGHTEN_VALUE).value(mStraighten);
writer.endObject();
}
@Override
public void deSerializeRepresentation(JsonReader reader) throws IOException {
boolean unset = true;
reader.beginObject();
while (reader.hasNext()) {
String name = reader.nextName();
if (SERIALIZATION_STRAIGHTEN_VALUE.equals(name)) {
int s = reader.nextInt();
if (rangeCheck(s)) {
setStraighten(s);
unset = false;
}
} else {
reader.skipValue();
}
}
if (unset) {
Log.w(TAG, "WARNING: bad value when deserializing " + SERIALIZATION_NAME);
}
reader.endObject();
}
private boolean rangeCheck(float s) {
if (s < -45 || s > 45) {
return false;
}
return true;
}
}
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