1 files changed, 72 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/photoeditor/actions/StraightenAction.java b/src/com/android/gallery3d/photoeditor/actions/StraightenAction.java
new file mode 100644
index 000000000..2a8c549f6
--- /dev/null
+++ b/src/com/android/gallery3d/photoeditor/actions/StraightenAction.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2010 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.photoeditor.actions;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+import com.android.gallery3d.photoeditor.filters.StraightenFilter;
+
+/**
+ * An action handling straighten effect.
+ */
+public class StraightenAction extends EffectAction {
+
+    private static final float DEFAULT_ANGLE = 0.0f;
+    private static final float DEFAULT_ROTATE_SPAN = StraightenFilter.MAX_DEGREES * 2;
+
+    private RotateView rotateView;
+
+    public StraightenAction(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public void doBegin() {
+        final StraightenFilter filter = new StraightenFilter();
+
+        rotateView = factory.createRotateView();
+        rotateView.setOnAngleChangeListener(new RotateView.OnRotateChangeListener() {
+
+            @Override
+            public void onAngleChanged(float degrees, boolean fromUser){
+                if (fromUser) {
+                    filter.setAngle(degrees);
+                    notifyFilterChanged(filter, true);
+                }
+            }
+
+            @Override
+            public void onStartTrackingTouch() {
+                // no-op
+            }
+
+            @Override
+            public void onStopTrackingTouch() {
+                // no-op
+            }
+        });
+        rotateView.setDrawGrids(true);
+        rotateView.setRotatedAngle(DEFAULT_ANGLE);
+        rotateView.setRotateSpan(DEFAULT_ROTATE_SPAN);
+    }
+
+    @Override
+    public void doEnd() {
+        rotateView.setOnAngleChangeListener(null);
+    }
+}