1 /* 2 * Copyright (C) 2013 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.category; 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.Matrix; 24 import android.graphics.Paint; 25 import android.graphics.Rect; 26 import android.graphics.RectF; 27 import android.util.Log; 28 import android.widget.ArrayAdapter; 29 import android.widget.ListAdapter; 30 31 import com.android.gallery3d.R; 32 import com.android.gallery3d.filtershow.FilterShowActivity; 33 import com.android.gallery3d.filtershow.filters.FilterDrawRepresentation; 34 import com.android.gallery3d.filtershow.filters.FilterUserPresetRepresentation; 35 import com.android.gallery3d.filtershow.pipeline.RenderingRequest; 36 import com.android.gallery3d.filtershow.pipeline.RenderingRequestCaller; 37 import com.android.gallery3d.filtershow.filters.FilterRepresentation; 38 import com.android.gallery3d.filtershow.imageshow.MasterImage; 39 import com.android.gallery3d.filtershow.pipeline.ImagePreset; 40 41 public class Action implements RenderingRequestCaller { 42 43 private static final String LOGTAG = "Action"; 44 private FilterRepresentation mRepresentation; 45 private String mName; 46 private Rect mImageFrame; 47 private Bitmap mImage; 48 private ArrayAdapter mAdapter; 49 public static final int FULL_VIEW = 0; 50 public static final int CROP_VIEW = 1; 51 public static final int ADD_ACTION = 2; 52 public static final int SPACER = 3; 53 private int mType = CROP_VIEW; 54 private Bitmap mPortraitImage; 55 private Bitmap mOverlayBitmap; 56 private FilterShowActivity mContext; 57 private boolean mCanBeRemoved = false; 58 private int mTextSize = 32; 59 private boolean mIsDoubleAction = false; 60 61 public Action(FilterShowActivity context, FilterRepresentation representation, int type, 62 boolean canBeRemoved) { 63 this(context, representation, type); 64 mCanBeRemoved = canBeRemoved; 65 mTextSize = context.getResources().getDimensionPixelSize( 66 R.dimen.category_panel_text_size); 67 } 68 69 public Action(FilterShowActivity context, FilterRepresentation representation, int type) { 70 this(context, type); 71 setRepresentation(representation); 72 } 73 74 public Action(FilterShowActivity context, int type) { 75 mContext = context; 76 setType(type); 77 mContext.registerAction(this); 78 } 79 80 public Action(FilterShowActivity context, FilterRepresentation representation) { 81 this(context, representation, CROP_VIEW); 82 } 83 84 public boolean isDoubleAction() { 85 return mIsDoubleAction; 86 } 87 88 public void setIsDoubleAction(boolean value) { 89 mIsDoubleAction = value; 90 } 91 92 public boolean canBeRemoved() { 93 return mCanBeRemoved; 94 } 95 96 public int getType() { 97 return mType; 98 } 99 100 public FilterRepresentation getRepresentation() { 101 return mRepresentation; 102 } 103 104 public void setRepresentation(FilterRepresentation representation) { 105 mRepresentation = representation; 106 mName = representation.getName(); 107 } 108 109 public String getName() { 110 return mName; 111 } 112 113 public void setName(String name) { 114 mName = name; 115 } 116 117 public void setImageFrame(Rect imageFrame, int orientation) { 118 if (mImageFrame != null && mImageFrame.equals(imageFrame)) { 119 return; 120 } 121 if (getType() == Action.ADD_ACTION) { 122 return; 123 } 124 Bitmap temp = MasterImage.getImage().getTemporaryThumbnailBitmap(); 125 if (temp != null) { 126 mImage = temp; 127 } 128 Bitmap bitmap = MasterImage.getImage().getThumbnailBitmap(); 129 if (bitmap != null) { 130 mImageFrame = imageFrame; 131 int w = mImageFrame.width(); 132 int h = mImageFrame.height(); 133 postNewIconRenderRequest(w, h); 134 } 135 } 136 137 public Bitmap getImage() { 138 return mImage; 139 } 140 141 public void setImage(Bitmap image) { 142 mImage = image; 143 } 144 145 public void setAdapter(ArrayAdapter adapter) { 146 mAdapter = adapter; 147 } 148 149 public void setType(int type) { 150 mType = type; 151 } 152 153 private void postNewIconRenderRequest(int w, int h) { 154 if (mRepresentation != null) { 155 ImagePreset preset = new ImagePreset(); 156 preset.addFilter(mRepresentation); 157 RenderingRequest.postIconRequest(mContext, w, h, preset, this); 158 } 159 } 160 161 private void drawCenteredImage(Bitmap source, Bitmap destination, boolean scale) { 162 int minSide = Math.min(destination.getWidth(), destination.getHeight()); 163 Matrix m = new Matrix(); 164 float scaleFactor = minSide / (float) Math.min(source.getWidth(), source.getHeight()); 165 166 float dx = (destination.getWidth() - source.getWidth() * scaleFactor) / 2.0f; 167 float dy = (destination.getHeight() - source.getHeight() * scaleFactor) / 2.0f; 168 if (mImageFrame.height() > mImageFrame.width()) { 169 // if portrait 170 dy -= mTextSize; 171 } 172 m.setScale(scaleFactor, scaleFactor); 173 m.postTranslate(dx, dy); 174 Canvas canvas = new Canvas(destination); 175 canvas.drawBitmap(source, m, new Paint(Paint.FILTER_BITMAP_FLAG)); 176 } 177 178 @Override 179 public void available(RenderingRequest request) { 180 clearBitmap(); 181 mImage = request.getBitmap(); 182 if (mImage == null) { 183 mImageFrame = null; 184 return; 185 } 186 if (mRepresentation.getOverlayId() != 0 && mOverlayBitmap == null) { 187 mOverlayBitmap = BitmapFactory.decodeResource( 188 mContext.getResources(), 189 mRepresentation.getOverlayId()); 190 } 191 if (mOverlayBitmap != null) { 192 if (getRepresentation().getFilterType() == FilterRepresentation.TYPE_BORDER) { 193 Canvas canvas = new Canvas(mImage); 194 canvas.drawBitmap(mOverlayBitmap, new Rect(0, 0, mOverlayBitmap.getWidth(), mOverlayBitmap.getHeight()), 195 new Rect(0, 0, mImage.getWidth(), mImage.getHeight()), new Paint()); 196 } else { 197 Canvas canvas = new Canvas(mImage); 198 canvas.drawARGB(128, 0, 0, 0); 199 drawCenteredImage(mOverlayBitmap, mImage, false); 200 } 201 } 202 if (mAdapter != null) { 203 mAdapter.notifyDataSetChanged(); 204 } 205 } 206 207 public void setPortraitImage(Bitmap portraitImage) { 208 mPortraitImage = portraitImage; 209 } 210 211 public Bitmap getPortraitImage() { 212 return mPortraitImage; 213 } 214 215 public Bitmap getOverlayBitmap() { 216 return mOverlayBitmap; 217 } 218 219 public void setOverlayBitmap(Bitmap overlayBitmap) { 220 mOverlayBitmap = overlayBitmap; 221 } 222 223 public void clearBitmap() { 224 if (mImage != null 225 && mImage != MasterImage.getImage().getTemporaryThumbnailBitmap()) { 226 MasterImage.getImage().getBitmapCache().cache(mImage); 227 } 228 mImage = null; 229 } 230 } 231
