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      1 /*
      2  * Copyright (C) 2012 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.imageshow;
     18 
     19 import android.content.Context;
     20 import android.graphics.Bitmap;
     21 import android.graphics.Canvas;
     22 import android.util.AttributeSet;
     23 import android.view.MotionEvent;
     24 
     25 import com.android.gallery3d.filtershow.editors.EditorRotate;
     26 import com.android.gallery3d.filtershow.filters.FilterRotateRepresentation;
     27 import com.android.gallery3d.filtershow.imageshow.GeometryMathUtils.GeometryHolder;
     28 
     29 public class ImageRotate extends ImageShow {
     30     private EditorRotate mEditorRotate;
     31     private static final String TAG = ImageRotate.class.getSimpleName();
     32     private FilterRotateRepresentation mLocalRep = new FilterRotateRepresentation();
     33     private GeometryHolder mDrawHolder = new GeometryHolder();
     34 
     35     public ImageRotate(Context context, AttributeSet attrs) {
     36         super(context, attrs);
     37     }
     38 
     39     public ImageRotate(Context context) {
     40         super(context);
     41     }
     42 
     43     public void setFilterRotateRepresentation(FilterRotateRepresentation rep) {
     44         mLocalRep = (rep == null) ? new FilterRotateRepresentation() : rep;
     45     }
     46 
     47     public void rotate() {
     48         mLocalRep.rotateCW();
     49         invalidate();
     50     }
     51 
     52     public FilterRotateRepresentation getFinalRepresentation() {
     53         return mLocalRep;
     54     }
     55 
     56     @Override
     57     public boolean onTouchEvent(MotionEvent event) {
     58         // Treat event as handled.
     59         return true;
     60     }
     61 
     62     public int getLocalValue() {
     63         return mLocalRep.getRotation().value();
     64     }
     65 
     66     @Override
     67     public void onDraw(Canvas canvas) {
     68         MasterImage master = MasterImage.getImage();
     69         Bitmap image = master.getFiltersOnlyImage();
     70         if (image == null) {
     71             return;
     72         }
     73         GeometryMathUtils.initializeHolder(mDrawHolder, mLocalRep);
     74         GeometryMathUtils.drawTransformedCropped(mDrawHolder, canvas, image, canvas.getWidth(),
     75                 canvas.getHeight());
     76     }
     77 
     78     public void setEditor(EditorRotate editorRotate) {
     79         mEditorRotate = editorRotate;
     80     }
     81 }
     82