1 files changed, 66 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/photoeditor/actions/CropAction.java b/src/com/android/gallery3d/photoeditor/actions/CropAction.java
new file mode 100644
index 000000000..60a01793f
--- /dev/null
+++ b/src/com/android/gallery3d/photoeditor/actions/CropAction.java
@@ -0,0 +1,66 @@
+/*
+ * 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.graphics.RectF;
+import android.util.AttributeSet;
+
+import com.android.gallery3d.photoeditor.filters.CropFilter;
+
+/**
+ * An action handling crop effect.
+ */
+public class CropAction extends EffectAction {
+
+    private static final float DEFAULT_CROP = 0.2f;
+
+    private CropFilter filter;
+    private CropView cropView;
+
+    public CropAction(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public void doBegin() {
+        filter = new CropFilter();
+
+        cropView = factory.createCropView();
+        cropView.setOnCropChangeListener(new CropView.OnCropChangeListener() {
+
+            @Override
+            public void onCropChanged(RectF cropBounds, boolean fromUser) {
+                if (fromUser) {
+                    filter.setCropBounds(cropBounds);
+                    notifyFilterChanged(filter, false);
+                }
+            }
+        });
+
+        RectF bounds = new RectF(DEFAULT_CROP, DEFAULT_CROP, 1 - DEFAULT_CROP, 1 - DEFAULT_CROP);
+        cropView.setCropBounds(bounds);
+        filter.setCropBounds(bounds);
+        notifyFilterChanged(filter, false);
+    }
+
+    @Override
+    public void doEnd() {
+        cropView.setOnCropChangeListener(null);
+        notifyFilterChanged(filter, true);
+    }
+}