1 /* 2 * Copyright (C) 2010 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.videoeditor; 18 19 import android.content.Context; 20 import android.graphics.Bitmap; 21 import android.graphics.BitmapFactory; 22 import android.graphics.Canvas; 23 import android.graphics.Paint; 24 import android.view.LayoutInflater; 25 import android.view.View; 26 import android.view.ViewGroup; 27 import android.widget.AbsListView; 28 29 import com.android.videoeditor.util.ImageUtils; 30 31 /** 32 * Adapter which displays a list of supported overlays 33 */ 34 public class OverlaysAdapter extends BaseAdapterWithImages<Integer> { 35 // Static member variables 36 private static final Paint sCopyPaint = new Paint(Paint.FILTER_BITMAP_FLAG); 37 38 // Instance variables 39 private final Bitmap mGenericBitmap; 40 private final String mTitle, mSubtitle; 41 private final OverlayType[] mOverlays; 42 43 /** 44 * Constructor 45 * 46 * @param context The context 47 * @param listView The list view 48 */ OverlaysAdapter(Context context, AbsListView listView)49 public OverlaysAdapter(Context context, AbsListView listView) { 50 super(context, listView); 51 52 mGenericBitmap = BitmapFactory.decodeResource(context.getResources(), 53 R.drawable.effects_generic); 54 mTitle = context.getString(R.string.overlay_title_sample); 55 mSubtitle = context.getString(R.string.overlay_subtitle_sample); 56 mOverlays = OverlayType.getOverlays(context); 57 } 58 59 /* 60 * {@inheritDoc} 61 */ 62 @Override getCount()63 public int getCount() { 64 return mOverlays.length; 65 } 66 67 /* 68 * {@inheritDoc} 69 */ getItem(int position)70 public Object getItem(int position) { 71 return mOverlays[position]; 72 } 73 74 /* 75 * {@inheritDoc} 76 */ 77 @SuppressWarnings("unchecked") getView(int position, View convertView, ViewGroup parent)78 public View getView(int position, View convertView, ViewGroup parent) { 79 final ImageTextViewHolder<Integer> viewHolder; 80 final View rowView; 81 if (convertView == null) { 82 final LayoutInflater vi = (LayoutInflater)mContext.getSystemService( 83 Context.LAYOUT_INFLATER_SERVICE); 84 rowView = vi.inflate(R.layout.image_with_text_row_view, null); 85 viewHolder = new ImageTextViewHolder<Integer>(rowView); 86 rowView.setTag(viewHolder); 87 } else { 88 rowView = convertView; 89 viewHolder = (ImageTextViewHolder<Integer>)convertView.getTag(); 90 } 91 92 final OverlayType overlayType = mOverlays[position]; 93 initiateLoad(overlayType.getType(), overlayType.getType(), viewHolder); 94 95 // Set the data in the views 96 viewHolder.mNameView.setText(overlayType.getName()); 97 98 return rowView; 99 } 100 101 /* 102 * {@inheritDoc} 103 */ 104 @Override loadImage(Object data)105 protected Bitmap loadImage(Object data) { 106 final Bitmap overlayBitmap = Bitmap.createBitmap(mGenericBitmap.getWidth(), 107 mGenericBitmap.getHeight(), Bitmap.Config.ARGB_8888); 108 109 final Canvas canvas = new Canvas(overlayBitmap); 110 canvas.drawBitmap(mGenericBitmap, 0, 0, sCopyPaint); 111 canvas.drawBitmap(ImageUtils.buildOverlayBitmap(mContext, null, (Integer)data, mTitle, 112 mSubtitle, 113 mGenericBitmap.getWidth(), mGenericBitmap.getHeight()), 0, 0, sCopyPaint); 114 return overlayBitmap; 115 } 116 } 117