Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 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 android.graphics; |
| 18 | |
| 19 | import com.android.ide.common.rendering.api.LayoutLog; |
| 20 | import com.android.layoutlib.bridge.Bridge; |
| 21 | import com.android.layoutlib.bridge.impl.DelegateManager; |
| 22 | import com.android.resources.Density; |
| 23 | import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| 24 | |
| 25 | import android.graphics.Bitmap.Config; |
| 26 | import android.os.Parcel; |
| 27 | |
| 28 | import java.awt.Graphics2D; |
| 29 | import java.awt.image.BufferedImage; |
| 30 | import java.io.File; |
| 31 | import java.io.IOException; |
| 32 | import java.io.InputStream; |
| 33 | import java.io.OutputStream; |
| 34 | import java.nio.Buffer; |
| 35 | import java.util.Arrays; |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 36 | import java.util.EnumSet; |
| 37 | import java.util.Set; |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 38 | |
| 39 | import javax.imageio.ImageIO; |
| 40 | |
| 41 | /** |
| 42 | * Delegate implementing the native methods of android.graphics.Bitmap |
| 43 | * |
| 44 | * Through the layoutlib_create tool, the original native methods of Bitmap have been replaced |
| 45 | * by calls to methods of the same name in this delegate class. |
| 46 | * |
| 47 | * This class behaves like the original native implementation, but in Java, keeping previously |
| 48 | * native data into its own objects and mapping them to int that are sent back and forth between |
| 49 | * it and the original Bitmap class. |
| 50 | * |
| 51 | * @see DelegateManager |
| 52 | * |
| 53 | */ |
| 54 | public final class Bitmap_Delegate { |
| 55 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 56 | public enum BitmapCreateFlags { |
| 57 | PREMULTIPLIED, MUTABLE |
| 58 | } |
| 59 | |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 60 | // ---- delegate manager ---- |
| 61 | private static final DelegateManager<Bitmap_Delegate> sManager = |
| 62 | new DelegateManager<Bitmap_Delegate>(Bitmap_Delegate.class); |
| 63 | |
| 64 | // ---- delegate helper data ---- |
| 65 | |
| 66 | // ---- delegate data ---- |
| 67 | private final Config mConfig; |
| 68 | private BufferedImage mImage; |
| 69 | private boolean mHasAlpha = true; |
| 70 | private boolean mHasMipMap = false; // TODO: check the default. |
| 71 | private int mGenerationId = 0; |
| 72 | |
| 73 | |
| 74 | // ---- Public Helper methods ---- |
| 75 | |
| 76 | /** |
| 77 | * Returns the native delegate associated to a given {@link Bitmap_Delegate} object. |
| 78 | */ |
| 79 | public static Bitmap_Delegate getDelegate(Bitmap bitmap) { |
| 80 | return sManager.getDelegate(bitmap.mNativeBitmap); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Returns the native delegate associated to a given an int referencing a {@link Bitmap} object. |
| 85 | */ |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 86 | public static Bitmap_Delegate getDelegate(long native_bitmap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 87 | return sManager.getDelegate(native_bitmap); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Creates and returns a {@link Bitmap} initialized with the given file content. |
| 92 | * |
| 93 | * @param input the file from which to read the bitmap content |
| 94 | * @param isMutable whether the bitmap is mutable |
| 95 | * @param density the density associated with the bitmap |
| 96 | * |
| 97 | * @see Bitmap#isMutable() |
| 98 | * @see Bitmap#getDensity() |
| 99 | */ |
| 100 | public static Bitmap createBitmap(File input, boolean isMutable, Density density) |
| 101 | throws IOException { |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 102 | return createBitmap(input, getPremultipliedBitmapCreateFlags(isMutable), density); |
| 103 | } |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 104 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 105 | /** |
| 106 | * Creates and returns a {@link Bitmap} initialized with the given file content. |
| 107 | * |
| 108 | * @param input the file from which to read the bitmap content |
| 109 | * @param density the density associated with the bitmap |
| 110 | * |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 111 | * @see Bitmap#isPremultiplied() |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 112 | * @see Bitmap#isMutable() |
| 113 | * @see Bitmap#getDensity() |
| 114 | */ |
| 115 | public static Bitmap createBitmap(File input, Set<BitmapCreateFlags> createFlags, |
| 116 | Density density) throws IOException { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 117 | // create a delegate with the content of the file. |
| 118 | Bitmap_Delegate delegate = new Bitmap_Delegate(ImageIO.read(input), Config.ARGB_8888); |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 119 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 120 | return createBitmap(delegate, createFlags, density.getDpiValue()); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Creates and returns a {@link Bitmap} initialized with the given stream content. |
| 125 | * |
| 126 | * @param input the stream from which to read the bitmap content |
| 127 | * @param isMutable whether the bitmap is mutable |
| 128 | * @param density the density associated with the bitmap |
| 129 | * |
| 130 | * @see Bitmap#isMutable() |
| 131 | * @see Bitmap#getDensity() |
| 132 | */ |
| 133 | public static Bitmap createBitmap(InputStream input, boolean isMutable, Density density) |
| 134 | throws IOException { |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 135 | return createBitmap(input, getPremultipliedBitmapCreateFlags(isMutable), density); |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Creates and returns a {@link Bitmap} initialized with the given stream content. |
| 140 | * |
| 141 | * @param input the stream from which to read the bitmap content |
| 142 | * @param createFlags |
| 143 | * @param density the density associated with the bitmap |
| 144 | * |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 145 | * @see Bitmap#isPremultiplied() |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 146 | * @see Bitmap#isMutable() |
| 147 | * @see Bitmap#getDensity() |
| 148 | */ |
| 149 | public static Bitmap createBitmap(InputStream input, Set<BitmapCreateFlags> createFlags, |
| 150 | Density density) throws IOException { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 151 | // create a delegate with the content of the stream. |
| 152 | Bitmap_Delegate delegate = new Bitmap_Delegate(ImageIO.read(input), Config.ARGB_8888); |
| 153 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 154 | return createBitmap(delegate, createFlags, density.getDpiValue()); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Creates and returns a {@link Bitmap} initialized with the given {@link BufferedImage} |
| 159 | * |
| 160 | * @param image the bitmap content |
| 161 | * @param isMutable whether the bitmap is mutable |
| 162 | * @param density the density associated with the bitmap |
| 163 | * |
| 164 | * @see Bitmap#isMutable() |
| 165 | * @see Bitmap#getDensity() |
| 166 | */ |
| 167 | public static Bitmap createBitmap(BufferedImage image, boolean isMutable, |
| 168 | Density density) throws IOException { |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 169 | return createBitmap(image, getPremultipliedBitmapCreateFlags(isMutable), density); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Creates and returns a {@link Bitmap} initialized with the given {@link BufferedImage} |
| 174 | * |
| 175 | * @param image the bitmap content |
| 176 | * @param createFlags |
| 177 | * @param density the density associated with the bitmap |
| 178 | * |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 179 | * @see Bitmap#isPremultiplied() |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 180 | * @see Bitmap#isMutable() |
| 181 | * @see Bitmap#getDensity() |
| 182 | */ |
| 183 | public static Bitmap createBitmap(BufferedImage image, Set<BitmapCreateFlags> createFlags, |
| 184 | Density density) throws IOException { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 185 | // create a delegate with the given image. |
| 186 | Bitmap_Delegate delegate = new Bitmap_Delegate(image, Config.ARGB_8888); |
| 187 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 188 | return createBitmap(delegate, createFlags, density.getDpiValue()); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | /** |
| 192 | * Returns the {@link BufferedImage} used by the delegate of the given {@link Bitmap}. |
| 193 | */ |
| 194 | public static BufferedImage getImage(Bitmap bitmap) { |
| 195 | // get the delegate from the native int. |
| 196 | Bitmap_Delegate delegate = sManager.getDelegate(bitmap.mNativeBitmap); |
| 197 | if (delegate == null) { |
| 198 | return null; |
| 199 | } |
| 200 | |
| 201 | return delegate.mImage; |
| 202 | } |
| 203 | |
| 204 | public static int getBufferedImageType(int nativeBitmapConfig) { |
| 205 | switch (Config.nativeToConfig(nativeBitmapConfig)) { |
| 206 | case ALPHA_8: |
| 207 | return BufferedImage.TYPE_INT_ARGB; |
| 208 | case RGB_565: |
| 209 | return BufferedImage.TYPE_INT_ARGB; |
| 210 | case ARGB_4444: |
| 211 | return BufferedImage.TYPE_INT_ARGB; |
| 212 | case ARGB_8888: |
| 213 | return BufferedImage.TYPE_INT_ARGB; |
| 214 | } |
| 215 | |
| 216 | return BufferedImage.TYPE_INT_ARGB; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Returns the {@link BufferedImage} used by the delegate of the given {@link Bitmap}. |
| 221 | */ |
| 222 | public BufferedImage getImage() { |
| 223 | return mImage; |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Returns the Android bitmap config. Note that this not the config of the underlying |
| 228 | * Java2D bitmap. |
| 229 | */ |
| 230 | public Config getConfig() { |
| 231 | return mConfig; |
| 232 | } |
| 233 | |
| 234 | /** |
| 235 | * Returns the hasAlpha rendering hint |
| 236 | * @return true if the bitmap alpha should be used at render time |
| 237 | */ |
| 238 | public boolean hasAlpha() { |
| 239 | return mHasAlpha && mConfig != Config.RGB_565; |
| 240 | } |
| 241 | |
| 242 | public boolean hasMipMap() { |
| 243 | // TODO: check if more checks are required as in hasAlpha. |
| 244 | return mHasMipMap; |
| 245 | } |
| 246 | /** |
| 247 | * Update the generationId. |
| 248 | * |
| 249 | * @see Bitmap#getGenerationId() |
| 250 | */ |
| 251 | public void change() { |
| 252 | mGenerationId++; |
| 253 | } |
| 254 | |
| 255 | // ---- native methods ---- |
| 256 | |
| 257 | @LayoutlibDelegate |
| 258 | /*package*/ static Bitmap nativeCreate(int[] colors, int offset, int stride, int width, |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 259 | int height, int nativeConfig, boolean isMutable) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 260 | int imageType = getBufferedImageType(nativeConfig); |
| 261 | |
| 262 | // create the image |
| 263 | BufferedImage image = new BufferedImage(width, height, imageType); |
| 264 | |
| 265 | if (colors != null) { |
| 266 | image.setRGB(0, 0, width, height, colors, offset, stride); |
| 267 | } |
| 268 | |
| 269 | // create a delegate with the content of the stream. |
| 270 | Bitmap_Delegate delegate = new Bitmap_Delegate(image, Config.nativeToConfig(nativeConfig)); |
| 271 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 272 | return createBitmap(delegate, getPremultipliedBitmapCreateFlags(isMutable), |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 273 | Bitmap.getDefaultDensity()); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 277 | /*package*/ static Bitmap nativeCopy(long srcBitmap, int nativeConfig, boolean isMutable) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 278 | Bitmap_Delegate srcBmpDelegate = sManager.getDelegate(srcBitmap); |
| 279 | if (srcBmpDelegate == null) { |
| 280 | return null; |
| 281 | } |
| 282 | |
| 283 | BufferedImage srcImage = srcBmpDelegate.getImage(); |
| 284 | |
| 285 | int width = srcImage.getWidth(); |
| 286 | int height = srcImage.getHeight(); |
| 287 | |
| 288 | int imageType = getBufferedImageType(nativeConfig); |
| 289 | |
| 290 | // create the image |
| 291 | BufferedImage image = new BufferedImage(width, height, imageType); |
| 292 | |
| 293 | // copy the source image into the image. |
| 294 | int[] argb = new int[width * height]; |
| 295 | srcImage.getRGB(0, 0, width, height, argb, 0, width); |
| 296 | image.setRGB(0, 0, width, height, argb, 0, width); |
| 297 | |
| 298 | // create a delegate with the content of the stream. |
| 299 | Bitmap_Delegate delegate = new Bitmap_Delegate(image, Config.nativeToConfig(nativeConfig)); |
| 300 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 301 | return createBitmap(delegate, getPremultipliedBitmapCreateFlags(isMutable), |
| 302 | Bitmap.getDefaultDensity()); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 306 | /*package*/ static void nativeDestructor(long nativeBitmap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 307 | sManager.removeJavaReferenceFor(nativeBitmap); |
| 308 | } |
| 309 | |
| 310 | @LayoutlibDelegate |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 311 | /*package*/ static boolean nativeRecycle(long nativeBitmap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 312 | sManager.removeJavaReferenceFor(nativeBitmap); |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 313 | return true; |
| 314 | } |
| 315 | |
| 316 | @LayoutlibDelegate |
| 317 | /*package*/ static void nativeReconfigure(long nativeBitmap, int width, int height, |
| 318 | int config, int allocSize) { |
| 319 | Bridge.getLog().error(LayoutLog.TAG_UNSUPPORTED, |
| 320 | "Bitmap.reconfigure() is not supported", null /*data*/); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 324 | /*package*/ static boolean nativeCompress(long nativeBitmap, int format, int quality, |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 325 | OutputStream stream, byte[] tempStorage) { |
| 326 | Bridge.getLog().error(LayoutLog.TAG_UNSUPPORTED, |
| 327 | "Bitmap.compress() is not supported", null /*data*/); |
| 328 | return true; |
| 329 | } |
| 330 | |
| 331 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 332 | /*package*/ static void nativeErase(long nativeBitmap, int color) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 333 | // get the delegate from the native int. |
| 334 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 335 | if (delegate == null) { |
| 336 | return; |
| 337 | } |
| 338 | |
| 339 | BufferedImage image = delegate.mImage; |
| 340 | |
| 341 | Graphics2D g = image.createGraphics(); |
| 342 | try { |
| 343 | g.setColor(new java.awt.Color(color, true)); |
| 344 | |
| 345 | g.fillRect(0, 0, image.getWidth(), image.getHeight()); |
| 346 | } finally { |
| 347 | g.dispose(); |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 352 | /*package*/ static int nativeRowBytes(long nativeBitmap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 353 | // get the delegate from the native int. |
| 354 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 355 | if (delegate == null) { |
| 356 | return 0; |
| 357 | } |
| 358 | |
| 359 | return delegate.mImage.getWidth(); |
| 360 | } |
| 361 | |
| 362 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 363 | /*package*/ static int nativeConfig(long nativeBitmap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 364 | // get the delegate from the native int. |
| 365 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 366 | if (delegate == null) { |
| 367 | return 0; |
| 368 | } |
| 369 | |
| 370 | return delegate.mConfig.nativeInt; |
| 371 | } |
| 372 | |
| 373 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 374 | /*package*/ static boolean nativeHasAlpha(long nativeBitmap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 375 | // get the delegate from the native int. |
| 376 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 377 | if (delegate == null) { |
| 378 | return true; |
| 379 | } |
| 380 | |
| 381 | return delegate.mHasAlpha; |
| 382 | } |
| 383 | |
| 384 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 385 | /*package*/ static boolean nativeHasMipMap(long nativeBitmap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 386 | // get the delegate from the native int. |
| 387 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 388 | if (delegate == null) { |
| 389 | return true; |
| 390 | } |
| 391 | |
| 392 | return delegate.mHasMipMap; |
| 393 | } |
| 394 | |
| 395 | @LayoutlibDelegate |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 396 | /*package*/ static int nativeGetPixel(long nativeBitmap, int x, int y, |
| 397 | boolean isPremultiplied) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 398 | // get the delegate from the native int. |
| 399 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 400 | if (delegate == null) { |
| 401 | return 0; |
| 402 | } |
| 403 | |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 404 | // TODO: Support isPremultiplied. |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 405 | return delegate.mImage.getRGB(x, y); |
| 406 | } |
| 407 | |
| 408 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 409 | /*package*/ static void nativeGetPixels(long nativeBitmap, int[] pixels, int offset, |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 410 | int stride, int x, int y, int width, int height, boolean isPremultiplied) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 411 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 412 | if (delegate == null) { |
| 413 | return; |
| 414 | } |
| 415 | |
| 416 | delegate.getImage().getRGB(x, y, width, height, pixels, offset, stride); |
| 417 | } |
| 418 | |
| 419 | |
| 420 | @LayoutlibDelegate |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 421 | /*package*/ static void nativeSetPixel(long nativeBitmap, int x, int y, int color, |
| 422 | boolean isPremultiplied) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 423 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 424 | if (delegate == null) { |
| 425 | return; |
| 426 | } |
| 427 | |
| 428 | delegate.getImage().setRGB(x, y, color); |
| 429 | } |
| 430 | |
| 431 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 432 | /*package*/ static void nativeSetPixels(long nativeBitmap, int[] colors, int offset, |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 433 | int stride, int x, int y, int width, int height, boolean isPremultiplied) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 434 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 435 | if (delegate == null) { |
| 436 | return; |
| 437 | } |
| 438 | |
| 439 | delegate.getImage().setRGB(x, y, width, height, colors, offset, stride); |
| 440 | } |
| 441 | |
| 442 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 443 | /*package*/ static void nativeCopyPixelsToBuffer(long nativeBitmap, Buffer dst) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 444 | // FIXME implement native delegate |
| 445 | Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| 446 | "Bitmap.copyPixelsToBuffer is not supported.", null, null /*data*/); |
| 447 | } |
| 448 | |
| 449 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 450 | /*package*/ static void nativeCopyPixelsFromBuffer(long nb, Buffer src) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 451 | // FIXME implement native delegate |
| 452 | Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| 453 | "Bitmap.copyPixelsFromBuffer is not supported.", null, null /*data*/); |
| 454 | } |
| 455 | |
| 456 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 457 | /*package*/ static int nativeGenerationId(long nativeBitmap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 458 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 459 | if (delegate == null) { |
| 460 | return 0; |
| 461 | } |
| 462 | |
| 463 | return delegate.mGenerationId; |
| 464 | } |
| 465 | |
| 466 | @LayoutlibDelegate |
| 467 | /*package*/ static Bitmap nativeCreateFromParcel(Parcel p) { |
| 468 | // This is only called by Bitmap.CREATOR (Parcelable.Creator<Bitmap>), which is only |
| 469 | // used during aidl call so really this should not be called. |
| 470 | Bridge.getLog().error(LayoutLog.TAG_UNSUPPORTED, |
| 471 | "AIDL is not suppored, and therefore Bitmaps cannot be created from parcels.", |
| 472 | null /*data*/); |
| 473 | return null; |
| 474 | } |
| 475 | |
| 476 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 477 | /*package*/ static boolean nativeWriteToParcel(long nativeBitmap, boolean isMutable, |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 478 | int density, Parcel p) { |
| 479 | // This is only called when sending a bitmap through aidl, so really this should not |
| 480 | // be called. |
| 481 | Bridge.getLog().error(LayoutLog.TAG_UNSUPPORTED, |
| 482 | "AIDL is not suppored, and therefore Bitmaps cannot be written to parcels.", |
| 483 | null /*data*/); |
| 484 | return false; |
| 485 | } |
| 486 | |
| 487 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 488 | /*package*/ static Bitmap nativeExtractAlpha(long nativeBitmap, long nativePaint, |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 489 | int[] offsetXY) { |
| 490 | Bitmap_Delegate bitmap = sManager.getDelegate(nativeBitmap); |
| 491 | if (bitmap == null) { |
| 492 | return null; |
| 493 | } |
| 494 | |
| 495 | // get the paint which can be null if nativePaint is 0. |
| 496 | Paint_Delegate paint = Paint_Delegate.getDelegate(nativePaint); |
| 497 | |
| 498 | if (paint != null && paint.getMaskFilter() != null) { |
| 499 | Bridge.getLog().fidelityWarning(LayoutLog.TAG_MASKFILTER, |
| 500 | "MaskFilter not supported in Bitmap.extractAlpha", |
| 501 | null, null /*data*/); |
| 502 | } |
| 503 | |
| 504 | int alpha = paint != null ? paint.getAlpha() : 0xFF; |
| 505 | BufferedImage image = createCopy(bitmap.getImage(), BufferedImage.TYPE_INT_ARGB, alpha); |
| 506 | |
| 507 | // create the delegate. The actual Bitmap config is only an alpha channel |
| 508 | Bitmap_Delegate delegate = new Bitmap_Delegate(image, Config.ALPHA_8); |
| 509 | |
| 510 | // the density doesn't matter, it's set by the Java method. |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 511 | return createBitmap(delegate, EnumSet.of(BitmapCreateFlags.MUTABLE), |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 512 | Density.DEFAULT_DENSITY /*density*/); |
| 513 | } |
| 514 | |
| 515 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 516 | /*package*/ static void nativePrepareToDraw(long nativeBitmap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 517 | // nothing to be done here. |
| 518 | } |
| 519 | |
| 520 | @LayoutlibDelegate |
Deepanshu Gupta | e05bb95 | 2014-01-28 18:55:33 -0800 | [diff] [blame] | 521 | /*package*/ static void nativeSetAlphaAndPremultiplied(long nativeBitmap, boolean hasAlpha, |
| 522 | boolean isPremul) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 523 | // get the delegate from the native int. |
| 524 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 525 | if (delegate == null) { |
| 526 | return; |
| 527 | } |
| 528 | |
| 529 | delegate.mHasAlpha = hasAlpha; |
| 530 | } |
| 531 | |
| 532 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 533 | /*package*/ static void nativeSetHasMipMap(long nativeBitmap, boolean hasMipMap) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 534 | // get the delegate from the native int. |
| 535 | Bitmap_Delegate delegate = sManager.getDelegate(nativeBitmap); |
| 536 | if (delegate == null) { |
| 537 | return; |
| 538 | } |
| 539 | |
| 540 | delegate.mHasMipMap = hasMipMap; |
| 541 | } |
| 542 | |
| 543 | @LayoutlibDelegate |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 544 | /*package*/ static boolean nativeSameAs(long nb0, long nb1) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 545 | Bitmap_Delegate delegate1 = sManager.getDelegate(nb0); |
| 546 | if (delegate1 == null) { |
| 547 | return false; |
| 548 | } |
| 549 | |
| 550 | Bitmap_Delegate delegate2 = sManager.getDelegate(nb1); |
| 551 | if (delegate2 == null) { |
| 552 | return false; |
| 553 | } |
| 554 | |
| 555 | BufferedImage image1 = delegate1.getImage(); |
| 556 | BufferedImage image2 = delegate2.getImage(); |
| 557 | if (delegate1.mConfig != delegate2.mConfig || |
| 558 | image1.getWidth() != image2.getWidth() || |
| 559 | image1.getHeight() != image2.getHeight()) { |
| 560 | return false; |
| 561 | } |
| 562 | |
| 563 | // get the internal data |
| 564 | int w = image1.getWidth(); |
| 565 | int h = image2.getHeight(); |
| 566 | int[] argb1 = new int[w*h]; |
| 567 | int[] argb2 = new int[w*h]; |
| 568 | |
| 569 | image1.getRGB(0, 0, w, h, argb1, 0, w); |
| 570 | image2.getRGB(0, 0, w, h, argb2, 0, w); |
| 571 | |
| 572 | // compares |
| 573 | if (delegate1.mConfig == Config.ALPHA_8) { |
| 574 | // in this case we have to manually compare the alpha channel as the rest is garbage. |
| 575 | final int length = w*h; |
| 576 | for (int i = 0 ; i < length ; i++) { |
| 577 | if ((argb1[i] & 0xFF000000) != (argb2[i] & 0xFF000000)) { |
| 578 | return false; |
| 579 | } |
| 580 | } |
| 581 | return true; |
| 582 | } |
| 583 | |
| 584 | return Arrays.equals(argb1, argb2); |
| 585 | } |
| 586 | |
| 587 | // ---- Private delegate/helper methods ---- |
| 588 | |
| 589 | private Bitmap_Delegate(BufferedImage image, Config config) { |
| 590 | mImage = image; |
| 591 | mConfig = config; |
| 592 | } |
| 593 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 594 | private static Bitmap createBitmap(Bitmap_Delegate delegate, |
| 595 | Set<BitmapCreateFlags> createFlags, int density) { |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 596 | // get its native_int |
Narayan Kamath | 88a8364 | 2014-01-27 14:24:16 +0000 | [diff] [blame] | 597 | long nativeInt = sManager.addNewDelegate(delegate); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 598 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 599 | int width = delegate.mImage.getWidth(); |
| 600 | int height = delegate.mImage.getHeight(); |
| 601 | boolean isMutable = createFlags.contains(BitmapCreateFlags.MUTABLE); |
| 602 | boolean isPremultiplied = createFlags.contains(BitmapCreateFlags.PREMULTIPLIED); |
| 603 | |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 604 | // and create/return a new Bitmap with it |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 605 | return new Bitmap(nativeInt, null /* buffer */, width, height, density, isMutable, |
| 606 | isPremultiplied, null /*ninePatchChunk*/, null /* layoutBounds */); |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 607 | } |
| 608 | |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 609 | private static Set<BitmapCreateFlags> getPremultipliedBitmapCreateFlags(boolean isMutable) { |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 610 | Set<BitmapCreateFlags> createFlags = EnumSet.of(BitmapCreateFlags.PREMULTIPLIED); |
Deepanshu Gupta | 70f5cc1 | 2013-09-09 12:32:19 -0700 | [diff] [blame] | 611 | if (isMutable) { |
| 612 | createFlags.add(BitmapCreateFlags.MUTABLE); |
| 613 | } |
| 614 | return createFlags; |
| 615 | } |
Deepanshu Gupta | bd28e2d | 2014-01-27 11:45:47 -0800 | [diff] [blame] | 616 | |
Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 617 | /** |
| 618 | * Creates and returns a copy of a given BufferedImage. |
| 619 | * <p/> |
| 620 | * if alpha is different than 255, then it is applied to the alpha channel of each pixel. |
| 621 | * |
| 622 | * @param image the image to copy |
| 623 | * @param imageType the type of the new image |
| 624 | * @param alpha an optional alpha modifier |
| 625 | * @return a new BufferedImage |
| 626 | */ |
| 627 | /*package*/ static BufferedImage createCopy(BufferedImage image, int imageType, int alpha) { |
| 628 | int w = image.getWidth(); |
| 629 | int h = image.getHeight(); |
| 630 | |
| 631 | BufferedImage result = new BufferedImage(w, h, imageType); |
| 632 | |
| 633 | int[] argb = new int[w * h]; |
| 634 | image.getRGB(0, 0, image.getWidth(), image.getHeight(), argb, 0, image.getWidth()); |
| 635 | |
| 636 | if (alpha != 255) { |
| 637 | final int length = argb.length; |
| 638 | for (int i = 0 ; i < length; i++) { |
| 639 | int a = (argb[i] >>> 24 * alpha) / 255; |
| 640 | argb[i] = (a << 24) | (argb[i] & 0x00FFFFFF); |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | result.setRGB(0, 0, w, h, argb, 0, w); |
| 645 | |
| 646 | return result; |
| 647 | } |
| 648 | |
| 649 | } |