1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.gallery3d.filtershow.filters; 18 19 import android.util.JsonReader; 20 import android.util.JsonWriter; 21 import android.util.Log; 22 23 import com.android.gallery3d.R; 24 import com.android.gallery3d.filtershow.editors.EditorStraighten; 25 26 import java.io.IOException; 27 28 public class FilterStraightenRepresentation extends FilterRepresentation { 29 public static final String SERIALIZATION_NAME = "STRAIGHTEN"; 30 public static final String SERIALIZATION_STRAIGHTEN_VALUE = "value"; 31 private static final String TAG = FilterStraightenRepresentation.class.getSimpleName(); 32 public static final int MAX_STRAIGHTEN_ANGLE = 45; 33 public static final int MIN_STRAIGHTEN_ANGLE = -45; 34 35 float mStraighten; 36 FilterStraightenRepresentation(float straighten)37 public FilterStraightenRepresentation(float straighten) { 38 super(SERIALIZATION_NAME); 39 setSerializationName(SERIALIZATION_NAME); 40 setShowParameterValue(true); 41 setFilterClass(FilterStraightenRepresentation.class); 42 setFilterType(FilterRepresentation.TYPE_GEOMETRY); 43 setSupportsPartialRendering(true); 44 setTextId(R.string.straighten); 45 setEditorId(EditorStraighten.ID); 46 setStraighten(straighten); 47 } 48 FilterStraightenRepresentation(FilterStraightenRepresentation s)49 public FilterStraightenRepresentation(FilterStraightenRepresentation s) { 50 this(s.getStraighten()); 51 setName(s.getName()); 52 } 53 FilterStraightenRepresentation()54 public FilterStraightenRepresentation() { 55 this(getNil()); 56 } 57 set(FilterStraightenRepresentation r)58 public void set(FilterStraightenRepresentation r) { 59 mStraighten = r.mStraighten; 60 } 61 62 @Override equals(FilterRepresentation rep)63 public boolean equals(FilterRepresentation rep) { 64 if (!(rep instanceof FilterStraightenRepresentation)) { 65 return false; 66 } 67 FilterStraightenRepresentation straighten = (FilterStraightenRepresentation) rep; 68 if (straighten.mStraighten != mStraighten) { 69 return false; 70 } 71 return true; 72 } 73 getStraighten()74 public float getStraighten() { 75 return mStraighten; 76 } 77 setStraighten(float straighten)78 public void setStraighten(float straighten) { 79 if (!rangeCheck(straighten)) { 80 straighten = Math.min(Math.max(straighten, MIN_STRAIGHTEN_ANGLE), MAX_STRAIGHTEN_ANGLE); 81 } 82 mStraighten = straighten; 83 } 84 85 @Override allowsSingleInstanceOnly()86 public boolean allowsSingleInstanceOnly() { 87 return true; 88 } 89 90 @Override copy()91 public FilterRepresentation copy() { 92 return new FilterStraightenRepresentation(this); 93 } 94 95 @Override copyAllParameters(FilterRepresentation representation)96 protected void copyAllParameters(FilterRepresentation representation) { 97 if (!(representation instanceof FilterStraightenRepresentation)) { 98 throw new IllegalArgumentException("calling copyAllParameters with incompatible types!"); 99 } 100 super.copyAllParameters(representation); 101 representation.useParametersFrom(this); 102 } 103 104 @Override useParametersFrom(FilterRepresentation a)105 public void useParametersFrom(FilterRepresentation a) { 106 if (!(a instanceof FilterStraightenRepresentation)) { 107 throw new IllegalArgumentException("calling useParametersFrom with incompatible types!"); 108 } 109 setStraighten(((FilterStraightenRepresentation) a).getStraighten()); 110 } 111 112 @Override isNil()113 public boolean isNil() { 114 return mStraighten == getNil(); 115 } 116 getNil()117 public static float getNil() { 118 return 0; 119 } 120 121 @Override serializeRepresentation(JsonWriter writer)122 public void serializeRepresentation(JsonWriter writer) throws IOException { 123 writer.beginObject(); 124 writer.name(SERIALIZATION_STRAIGHTEN_VALUE).value(mStraighten); 125 writer.endObject(); 126 } 127 128 @Override deSerializeRepresentation(JsonReader reader)129 public void deSerializeRepresentation(JsonReader reader) throws IOException { 130 boolean unset = true; 131 reader.beginObject(); 132 while (reader.hasNext()) { 133 String name = reader.nextName(); 134 if (SERIALIZATION_STRAIGHTEN_VALUE.equals(name)) { 135 float s = (float) reader.nextDouble(); 136 if (rangeCheck(s)) { 137 setStraighten(s); 138 unset = false; 139 } 140 } else { 141 reader.skipValue(); 142 } 143 } 144 if (unset) { 145 Log.w(TAG, "WARNING: bad value when deserializing " + SERIALIZATION_NAME); 146 } 147 reader.endObject(); 148 } 149 rangeCheck(double s)150 private boolean rangeCheck(double s) { 151 if (s < -45 || s > 45) { 152 return false; 153 } 154 return true; 155 } 156 } 157