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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     private boolean mIsLandscapeOrientation;
     29 
     30     private MosaicSurfaceCreateListener mSurfaceCreateListener;
     31 
     32     public MosaicRendererSurfaceViewRenderer(boolean isLandscapeOrientation) {
     33         mIsLandscapeOrientation = isLandscapeOrientation;
     34     }
     35 
     36     /** A callback to be called when the surface is created */
     37     public interface MosaicSurfaceCreateListener {
     38         public void onMosaicSurfaceCreated(final int surface);
     39         public void onMosaicSurfaceChanged();
     40     }
     41 
     42     @Override
     43     public void onDrawFrame(GL10 gl) {
     44         MosaicRenderer.step();
     45     }
     46 
     47     @Override
     48     public void onSurfaceChanged(GL10 gl, int width, int height) {
     49         MosaicRenderer.reset(width, height, mIsLandscapeOrientation);
     50         Log.i(TAG, "Renderer: onSurfaceChanged");
     51         if (mSurfaceCreateListener != null) {
     52             mSurfaceCreateListener.onMosaicSurfaceChanged();
     53         }
     54     }
     55 
     56     @Override
     57     public void onSurfaceCreated(GL10 gl, EGLConfig config) {
     58         Log.i(TAG, "onSurfaceCreated");
     59         if (mSurfaceCreateListener != null) {
     60             mSurfaceCreateListener.onMosaicSurfaceCreated(MosaicRenderer.init());
     61         }
     62     }
     63 
     64     public void setMosaicSurfaceCreateListener(MosaicSurfaceCreateListener listener) {
     65         mSurfaceCreateListener = listener;
     66     }
     67 
     68     public void setReady() {
     69         MosaicRenderer.ready();
     70     }
     71 
     72     public void preprocess(float[] transformMatrix) {
     73         MosaicRenderer.preprocess(transformMatrix);
     74     }
     75 
     76     public void transferGPUtoCPU() {
     77         MosaicRenderer.transferGPUtoCPU();
     78     }
     79 
     80     public void setWarping(boolean flag) {
     81         MosaicRenderer.setWarping(flag);
     82     }
     83 }
     84