diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/filters/FilterStraightenRepresentation.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/filters/FilterStraightenRepresentation.java | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/FilterStraightenRepresentation.java b/src/com/android/gallery3d/filtershow/filters/FilterStraightenRepresentation.java new file mode 100644 index 000000000..94c9497fc --- /dev/null +++ b/src/com/android/gallery3d/filtershow/filters/FilterStraightenRepresentation.java @@ -0,0 +1,154 @@ +/* + * 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(); + public static final int MAX_STRAIGHTEN_ANGLE = 45; + public static final int MIN_STRAIGHTEN_ANGLE = -45; + + 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(getNil()); + } + + public void set(FilterStraightenRepresentation r) { + mStraighten = r.mStraighten; + } + + @Override + public boolean equals(FilterRepresentation rep) { + if (!(rep instanceof FilterStraightenRepresentation)) { + return false; + } + FilterStraightenRepresentation straighten = (FilterStraightenRepresentation) rep; + if (straighten.mStraighten != mStraighten) { + return false; + } + return true; + } + + public float getStraighten() { + return mStraighten; + } + + public void setStraighten(float straighten) { + if (!rangeCheck(straighten)) { + straighten = Math.min(Math.max(straighten, MIN_STRAIGHTEN_ANGLE), MAX_STRAIGHTEN_ANGLE); + } + 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 == getNil(); + } + + public static float getNil() { + return 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)) { + float s = (float) reader.nextDouble(); + 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(double s) { + if (s < -45 || s > 45) { + return false; + } + return true; + } +} |