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 com.android.gallery3d.filtershow.cache.RenderingRequest; 28 import com.android.gallery3d.filtershow.cache.RenderingRequestCaller; 29 import com.android.gallery3d.filtershow.filters.FilterRepresentation; 30 import com.android.gallery3d.filtershow.imageshow.MasterImage; 31 import com.android.gallery3d.filtershow.presets.ImagePreset; 32 33 public class Action implements RenderingRequestCaller { 34 35 private static final String LOGTAG = "Action"; 36 private FilterRepresentation mRepresentation; 37 private String mName; 38 private Rect mImageFrame; 39 private Bitmap mImage; 40 private CategoryAdapter mAdapter; 41 public static final int FULL_VIEW = 0; 42 public static final int CROP_VIEW = 1; 43 private int mType = CROP_VIEW; 44 private Bitmap mPortraitImage; 45 private Bitmap mOverlayBitmap; 46 private Context mContext; 47 48 public Action(Context context, FilterRepresentation representation, int type) { 49 mContext = context; 50 setRepresentation(representation); 51 setType(type); 52 } 53 54 public Action(Context context, FilterRepresentation representation) { 55 this(context, representation, CROP_VIEW); 56 } 57 58 public FilterRepresentation getRepresentation() { 59 return mRepresentation; 60 } 61 62 public void setRepresentation(FilterRepresentation representation) { 63 mRepresentation = representation; 64 mName = representation.getName(); 65 } 66 67 public String getName() { 68 return mName; 69 } 70 71 public void setName(String name) { 72 mName = name; 73 } 74 75 public void setImageFrame(Rect imageFrame) { 76 if (mImageFrame != null && mImageFrame.equals(imageFrame)) { 77 return; 78 } 79 Bitmap bitmap = MasterImage.getImage().getLargeThumbnailBitmap(); 80 if (bitmap != null) { 81 mImageFrame = imageFrame; 82 int w = mImageFrame.width(); 83 int h = mImageFrame.height(); 84 if (mType == CROP_VIEW) { 85 w /= 2; 86 } 87 Bitmap bitmapCrop = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); 88 drawCenteredImage(bitmap, bitmapCrop, true); 89 90 postNewIconRenderRequest(bitmapCrop); 91 } 92 } 93 94 public Bitmap getImage() { 95 return mImage; 96 } 97 98 public void setImage(Bitmap image) { 99 mImage = image; 100 } 101 102 public void setAdapter(CategoryAdapter adapter) { 103 mAdapter = adapter; 104 } 105 106 public void setType(int type) { 107 mType = type; 108 } 109 110 private void postNewIconRenderRequest(Bitmap bitmap) { 111 if (bitmap != null && mRepresentation != null) { 112 ImagePreset preset = new ImagePreset(); 113 preset.addFilter(mRepresentation); 114 RenderingRequest.post(bitmap, 115 preset, RenderingRequest.ICON_RENDERING, this); 116 } 117 } 118 119 private void drawCenteredImage(Bitmap source, Bitmap destination, boolean scale) { 120 RectF image = new RectF(0, 0, source.getWidth(), source.getHeight()); 121 int border = 0; 122 if (!scale) { 123 border = destination.getWidth() - destination.getHeight(); 124 if (border < 0) { 125 border = 0; 126 } 127 } 128 RectF frame = new RectF(border, 0, 129 destination.getWidth() - border, 130 destination.getHeight()); 131 Matrix m = new Matrix(); 132 m.setRectToRect(frame, image, Matrix.ScaleToFit.CENTER); 133 image.set(frame); 134 m.mapRect(image); 135 m.setRectToRect(image, frame, Matrix.ScaleToFit.FILL); 136 Canvas canvas = new Canvas(destination); 137 canvas.drawBitmap(source, m, new Paint()); 138 } 139 140 @Override 141 public void available(RenderingRequest request) { 142 mImage = request.getBitmap(); 143 if (mImage == null) { 144 return; 145 } 146 if (mRepresentation.getOverlayId() != 0 && mOverlayBitmap == null) { 147 mOverlayBitmap = BitmapFactory.decodeResource( 148 mContext.getResources(), 149 mRepresentation.getOverlayId()); 150 } 151 if (mOverlayBitmap != null) { 152 if (getRepresentation().getPriority() == FilterRepresentation.TYPE_BORDER) { 153 Canvas canvas = new Canvas(mImage); 154 canvas.drawBitmap(mOverlayBitmap, new Rect(0, 0, mOverlayBitmap.getWidth(), mOverlayBitmap.getHeight()), 155 new Rect(0, 0, mImage.getWidth(), mImage.getHeight()), new Paint()); 156 } else { 157 Canvas canvas = new Canvas(mImage); 158 canvas.drawARGB(128, 0, 0, 0); 159 drawCenteredImage(mOverlayBitmap, mImage, false); 160 } 161 } 162 if (mAdapter != null) { 163 mAdapter.notifyDataSetChanged(); 164 } 165 } 166 167 public void setPortraitImage(Bitmap portraitImage) { 168 mPortraitImage = portraitImage; 169 } 170 171 public Bitmap getPortraitImage() { 172 return mPortraitImage; 173 } 174 175 public Bitmap getOverlayBitmap() { 176 return mOverlayBitmap; 177 } 178 179 public void setOverlayBitmap(Bitmap overlayBitmap) { 180 mOverlayBitmap = overlayBitmap; 181 } 182 } 183
