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();
+    }
+}