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      1 /*
      2  * Copyright (C) 2011 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.camera.panorama;
     18 
     19 import android.opengl.GLSurfaceView;
     20 import android.util.Log;
     21 
     22 import javax.microedition.khronos.egl.EGLConfig;
     23 import javax.microedition.khronos.opengles.GL10;
     24 
     25 public class MosaicRendererSurfaceViewRenderer implements GLSurfaceView.Renderer
     26 {
     27     private static final String TAG = "MosaicRendererSurfaceViewRenderer";
     28 
     29     private MosaicSurfaceCreateListener mSurfaceCreateListener;
     30 
     31     /** A callback to be called when the surface is created */
     32     public interface MosaicSurfaceCreateListener {
     33         public void onMosaicSurfaceCreated(final int surface);
     34         public void onMosaicSurfaceChanged();
     35     }
     36 
     37     @Override
     38     public void onDrawFrame(GL10 gl) {
     39         MosaicRenderer.step();
     40     }
     41 
     42     @Override
     43     public void onSurfaceChanged(GL10 gl, int width, int height) {
     44         MosaicRenderer.reset(width, height);
     45         Log.i(TAG, "Renderer: onSurfaceChanged");
     46         if (mSurfaceCreateListener != null) {
     47             mSurfaceCreateListener.onMosaicSurfaceChanged();
     48         }
     49     }
     50 
     51     @Override
     52     public void onSurfaceCreated(GL10 gl, EGLConfig config) {
     53         Log.i(TAG, "onSurfaceCreated");
     54         if (mSurfaceCreateListener != null) {
     55             mSurfaceCreateListener.onMosaicSurfaceCreated(MosaicRenderer.init());
     56         }
     57     }
     58 
     59     public void setMosaicSurfaceCreateListener(MosaicSurfaceCreateListener listener) {
     60         mSurfaceCreateListener = listener;
     61     }
     62 
     63     public void setReady() {
     64         MosaicRenderer.ready();
     65     }
     66 
     67     public void preprocess(float[] transformMatrix) {
     68         MosaicRenderer.preprocess(transformMatrix);
     69     }
     70 
     71     public void transferGPUtoCPU() {
     72         MosaicRenderer.transferGPUtoCPU();
     73     }
     74 
     75     public void setWarping(boolean flag) {
     76         MosaicRenderer.setWarping(flag);
     77     }
     78 }
     79