1#define LOG_TAG "BitmapFactory" 2 3#include "BitmapFactory.h" 4#include "NinePatchPeeker.h" 5#include "SkImageDecoder.h" 6#include "SkImageRef_ashmem.h" 7#include "SkImageRef_GlobalPool.h" 8#include "SkPixelRef.h" 9#include "SkStream.h" 10#include "SkTemplates.h" 11#include "SkUtils.h" 12#include "CreateJavaOutputStreamAdaptor.h" 13#include "AutoDecodeCancel.h" 14#include "Utils.h" 15#include "JNIHelp.h" 16 17#include <android_runtime/AndroidRuntime.h> 18#include <androidfw/Asset.h> 19#include <androidfw/ResourceTypes.h> 20#include <netinet/in.h> 21#include <sys/mman.h> 22#include <sys/stat.h> 23 24jfieldID gOptions_justBoundsFieldID; 25jfieldID gOptions_sampleSizeFieldID; 26jfieldID gOptions_configFieldID; 27jfieldID gOptions_mutableFieldID; 28jfieldID gOptions_ditherFieldID; 29jfieldID gOptions_purgeableFieldID; 30jfieldID gOptions_shareableFieldID; 31jfieldID gOptions_preferQualityOverSpeedFieldID; 32jfieldID gOptions_widthFieldID; 33jfieldID gOptions_heightFieldID; 34jfieldID gOptions_mimeFieldID; 35jfieldID gOptions_mCancelID; 36jfieldID gOptions_bitmapFieldID; 37jfieldID gBitmap_nativeBitmapFieldID; 38jfieldID gBitmap_layoutBoundsFieldID; 39 40#if 0 41 #define TRACE_BITMAP(code) code 42#else 43 #define TRACE_BITMAP(code) 44#endif 45 46using namespace android; 47 48static inline int32_t validOrNeg1(bool isValid, int32_t value) { 49// return isValid ? value : -1; 50 SkASSERT((int)isValid == 0 || (int)isValid == 1); 51 return ((int32_t)isValid - 1) | value; 52} 53 54jstring getMimeTypeString(JNIEnv* env, SkImageDecoder::Format format) { 55 static const struct { 56 SkImageDecoder::Format fFormat; 57 const char* fMimeType; 58 } gMimeTypes[] = { 59 { SkImageDecoder::kBMP_Format, "image/bmp" }, 60 { SkImageDecoder::kGIF_Format, "image/gif" }, 61 { SkImageDecoder::kICO_Format, "image/x-ico" }, 62 { SkImageDecoder::kJPEG_Format, "image/jpeg" }, 63 { SkImageDecoder::kPNG_Format, "image/png" }, 64 { SkImageDecoder::kWBMP_Format, "image/vnd.wap.wbmp" } 65 }; 66 67 const char* cstr = NULL; 68 for (size_t i = 0; i < SK_ARRAY_COUNT(gMimeTypes); i++) { 69 if (gMimeTypes[i].fFormat == format) { 70 cstr = gMimeTypes[i].fMimeType; 71 break; 72 } 73 } 74 75 jstring jstr = 0; 76 if (NULL != cstr) { 77 jstr = env->NewStringUTF(cstr); 78 } 79 return jstr; 80} 81 82static bool optionsPurgeable(JNIEnv* env, jobject options) { 83 return options != NULL && env->GetBooleanField(options, gOptions_purgeableFieldID); 84} 85 86static bool optionsShareable(JNIEnv* env, jobject options) { 87 return options != NULL && env->GetBooleanField(options, gOptions_shareableFieldID); 88} 89 90static bool optionsJustBounds(JNIEnv* env, jobject options) { 91 return options != NULL && env->GetBooleanField(options, gOptions_justBoundsFieldID); 92} 93 94static void scaleNinePatchChunk(android::Res_png_9patch* chunk, float scale) { 95 chunk->paddingLeft = int(chunk->paddingLeft * scale + 0.5f); 96 chunk->paddingTop = int(chunk->paddingTop * scale + 0.5f); 97 chunk->paddingRight = int(chunk->paddingRight * scale + 0.5f); 98 chunk->paddingBottom = int(chunk->paddingBottom * scale + 0.5f); 99 100 for (int i = 0; i < chunk->numXDivs; i++) { 101 chunk->xDivs[i] = int(chunk->xDivs[i] * scale + 0.5f); 102 if (i > 0 && chunk->xDivs[i] == chunk->xDivs[i - 1]) { 103 chunk->xDivs[i]++; 104 } 105 } 106 107 for (int i = 0; i < chunk->numYDivs; i++) { 108 chunk->yDivs[i] = int(chunk->yDivs[i] * scale + 0.5f); 109 if (i > 0 && chunk->yDivs[i] == chunk->yDivs[i - 1]) { 110 chunk->yDivs[i]++; 111 } 112 } 113} 114 115static jbyteArray nativeScaleNinePatch(JNIEnv* env, jobject, jbyteArray chunkObject, jfloat scale, 116 jobject padding) { 117 118 jbyte* array = env->GetByteArrayElements(chunkObject, 0); 119 if (array != NULL) { 120 size_t chunkSize = env->GetArrayLength(chunkObject); 121 void* storage = alloca(chunkSize); 122 android::Res_png_9patch* chunk = static_cast<android::Res_png_9patch*>(storage); 123 memcpy(chunk, array, chunkSize); 124 android::Res_png_9patch::deserialize(chunk); 125 126 scaleNinePatchChunk(chunk, scale); 127 memcpy(array, chunk, chunkSize); 128 129 if (padding) { 130 GraphicsJNI::set_jrect(env, padding, chunk->paddingLeft, chunk->paddingTop, 131 chunk->paddingRight, chunk->paddingBottom); 132 } 133 134 env->ReleaseByteArrayElements(chunkObject, array, 0); 135 } 136 return chunkObject; 137} 138 139static SkPixelRef* installPixelRef(SkBitmap* bitmap, SkStream* stream, 140 int sampleSize, bool ditherImage) { 141 142 SkImageRef* pr; 143 // only use ashmem for large images, since mmaps come at a price 144 if (bitmap->getSize() >= 32 * 1024) { 145 pr = new SkImageRef_ashmem(stream, bitmap->config(), sampleSize); 146 } else { 147 pr = new SkImageRef_GlobalPool(stream, bitmap->config(), sampleSize); 148 } 149 pr->setDitherImage(ditherImage); 150 bitmap->setPixelRef(pr)->unref(); 151 pr->isOpaque(bitmap); 152 return pr; 153} 154 155// since we "may" create a purgeable imageref, we require the stream be ref'able 156// i.e. dynamically allocated, since its lifetime may exceed the current stack 157// frame. 158static jobject doDecode(JNIEnv* env, SkStream* stream, jobject padding, 159 jobject options, bool allowPurgeable, bool forcePurgeable = false, 160 bool applyScale = false, float scale = 1.0f) { 161 162 int sampleSize = 1; 163 164 SkImageDecoder::Mode mode = SkImageDecoder::kDecodePixels_Mode; 165 SkBitmap::Config prefConfig = SkBitmap::kARGB_8888_Config; 166 167 bool doDither = true; 168 bool isMutable = false; 169 bool willScale = applyScale && scale != 1.0f; 170 bool isPurgeable = !willScale && 171 (forcePurgeable || (allowPurgeable && optionsPurgeable(env, options))); 172 bool preferQualityOverSpeed = false; 173 174 jobject javaBitmap = NULL; 175 176 if (options != NULL) { 177 sampleSize = env->GetIntField(options, gOptions_sampleSizeFieldID); 178 if (optionsJustBounds(env, options)) { 179 mode = SkImageDecoder::kDecodeBounds_Mode; 180 } 181 182 // initialize these, in case we fail later on 183 env->SetIntField(options, gOptions_widthFieldID, -1); 184 env->SetIntField(options, gOptions_heightFieldID, -1); 185 env->SetObjectField(options, gOptions_mimeFieldID, 0); 186 187 jobject jconfig = env->GetObjectField(options, gOptions_configFieldID); 188 prefConfig = GraphicsJNI::getNativeBitmapConfig(env, jconfig); 189 isMutable = env->GetBooleanField(options, gOptions_mutableFieldID); 190 doDither = env->GetBooleanField(options, gOptions_ditherFieldID); 191 preferQualityOverSpeed = env->GetBooleanField(options, 192 gOptions_preferQualityOverSpeedFieldID); 193 javaBitmap = env->GetObjectField(options, gOptions_bitmapFieldID); 194 } 195 196 if (willScale && javaBitmap != NULL) { 197 return nullObjectReturn("Cannot pre-scale a reused bitmap"); 198 } 199 200 SkImageDecoder* decoder = SkImageDecoder::Factory(stream); 201 if (decoder == NULL) { 202 return nullObjectReturn("SkImageDecoder::Factory returned null"); 203 } 204 205 decoder->setSampleSize(sampleSize); 206 decoder->setDitherImage(doDither); 207 decoder->setPreferQualityOverSpeed(preferQualityOverSpeed); 208 209 NinePatchPeeker peeker(decoder); 210 JavaPixelAllocator javaAllocator(env); 211 212 SkBitmap* bitmap; 213 if (javaBitmap == NULL) { 214 bitmap = new SkBitmap; 215 } else { 216 if (sampleSize != 1) { 217 return nullObjectReturn("SkImageDecoder: Cannot reuse bitmap with sampleSize != 1"); 218 } 219 bitmap = (SkBitmap*) env->GetIntField(javaBitmap, gBitmap_nativeBitmapFieldID); 220 // config of supplied bitmap overrules config set in options 221 prefConfig = bitmap->getConfig(); 222 } 223 224 SkAutoTDelete<SkImageDecoder> add(decoder); 225 SkAutoTDelete<SkBitmap> adb(bitmap, javaBitmap == NULL); 226 227 decoder->setPeeker(&peeker); 228 if (!isPurgeable) { 229 decoder->setAllocator(&javaAllocator); 230 } 231 232 AutoDecoderCancel adc(options, decoder); 233 234 // To fix the race condition in case "requestCancelDecode" 235 // happens earlier than AutoDecoderCancel object is added 236 // to the gAutoDecoderCancelMutex linked list. 237 if (options != NULL && env->GetBooleanField(options, gOptions_mCancelID)) { 238 return nullObjectReturn("gOptions_mCancelID"); 239 } 240 241 SkImageDecoder::Mode decodeMode = mode; 242 if (isPurgeable) { 243 decodeMode = SkImageDecoder::kDecodeBounds_Mode; 244 } 245 246 SkBitmap* decoded; 247 if (willScale) { 248 decoded = new SkBitmap; 249 } else { 250 decoded = bitmap; 251 } 252 SkAutoTDelete<SkBitmap> adb2(willScale ? decoded : NULL); 253 254 if (!decoder->decode(stream, decoded, prefConfig, decodeMode, javaBitmap != NULL)) { 255 return nullObjectReturn("decoder->decode returned false"); 256 } 257 258 int scaledWidth = decoded->width(); 259 int scaledHeight = decoded->height(); 260 261 if (willScale && mode != SkImageDecoder::kDecodeBounds_Mode) { 262 scaledWidth = int(scaledWidth * scale + 0.5f); 263 scaledHeight = int(scaledHeight * scale + 0.5f); 264 } 265 266 // update options (if any) 267 if (options != NULL) { 268 env->SetIntField(options, gOptions_widthFieldID, scaledWidth); 269 env->SetIntField(options, gOptions_heightFieldID, scaledHeight); 270 env->SetObjectField(options, gOptions_mimeFieldID, 271 getMimeTypeString(env, decoder->getFormat())); 272 } 273 274 // if we're in justBounds mode, return now (skip the java bitmap) 275 if (mode == SkImageDecoder::kDecodeBounds_Mode) { 276 return NULL; 277 } 278 279 jbyteArray ninePatchChunk = NULL; 280 if (peeker.fPatch != NULL) { 281 if (willScale) { 282 scaleNinePatchChunk(peeker.fPatch, scale); 283 } 284 285 size_t ninePatchArraySize = peeker.fPatch->serializedSize(); 286 ninePatchChunk = env->NewByteArray(ninePatchArraySize); 287 if (ninePatchChunk == NULL) { 288 return nullObjectReturn("ninePatchChunk == null"); 289 } 290 291 jbyte* array = (jbyte*) env->GetPrimitiveArrayCritical(ninePatchChunk, NULL); 292 if (array == NULL) { 293 return nullObjectReturn("primitive array == null"); 294 } 295 296 peeker.fPatch->serialize(array); 297 env->ReleasePrimitiveArrayCritical(ninePatchChunk, array, 0); 298 } 299 300 jintArray layoutBounds = NULL; 301 if (peeker.fLayoutBounds != NULL) { 302 layoutBounds = env->NewIntArray(4); 303 if (layoutBounds == NULL) { 304 return nullObjectReturn("layoutBounds == null"); 305 } 306 307 jint scaledBounds[4]; 308 if (willScale) { 309 for (int i=0; i<4; i++) { 310 scaledBounds[i] = (jint)((((jint*)peeker.fLayoutBounds)[i]*scale) + .5f); 311 } 312 } else { 313 memcpy(scaledBounds, (jint*)peeker.fLayoutBounds, sizeof(scaledBounds)); 314 } 315 env->SetIntArrayRegion(layoutBounds, 0, 4, scaledBounds); 316 if (javaBitmap != NULL) { 317 env->SetObjectField(javaBitmap, gBitmap_layoutBoundsFieldID, layoutBounds); 318 } 319 } 320 321 if (willScale) { 322 // This is weird so let me explain: we could use the scale parameter 323 // directly, but for historical reasons this is how the corresponding 324 // Dalvik code has always behaved. We simply recreate the behavior here. 325 // The result is slightly different from simply using scale because of 326 // the 0.5f rounding bias applied when computing the target image size 327 const float sx = scaledWidth / float(decoded->width()); 328 const float sy = scaledHeight / float(decoded->height()); 329 330 SkBitmap::Config config = decoded->config(); 331 switch (config) { 332 case SkBitmap::kNo_Config: 333 case SkBitmap::kIndex8_Config: 334 case SkBitmap::kRLE_Index8_Config: 335 config = SkBitmap::kARGB_8888_Config; 336 break; 337 default: 338 break; 339 } 340 341 bitmap->setConfig(config, scaledWidth, scaledHeight); 342 bitmap->setIsOpaque(decoded->isOpaque()); 343 if (!bitmap->allocPixels(&javaAllocator, NULL)) { 344 return nullObjectReturn("allocation failed for scaled bitmap"); 345 } 346 bitmap->eraseColor(0); 347 348 SkPaint paint; 349 paint.setFilterBitmap(true); 350 351 SkCanvas canvas(*bitmap); 352 canvas.scale(sx, sy); 353 canvas.drawBitmap(*decoded, 0.0f, 0.0f, &paint); 354 } 355 356 if (padding) { 357 if (peeker.fPatch != NULL) { 358 GraphicsJNI::set_jrect(env, padding, 359 peeker.fPatch->paddingLeft, peeker.fPatch->paddingTop, 360 peeker.fPatch->paddingRight, peeker.fPatch->paddingBottom); 361 } else { 362 GraphicsJNI::set_jrect(env, padding, -1, -1, -1, -1); 363 } 364 } 365 366 SkPixelRef* pr; 367 if (isPurgeable) { 368 pr = installPixelRef(bitmap, stream, sampleSize, doDither); 369 } else { 370 // if we get here, we're in kDecodePixels_Mode and will therefore 371 // already have a pixelref installed. 372 pr = bitmap->pixelRef(); 373 } 374 if (pr == NULL) { 375 return nullObjectReturn("Got null SkPixelRef"); 376 } 377 378 if (!isMutable) { 379 // promise we will never change our pixels (great for sharing and pictures) 380 pr->setImmutable(); 381 } 382 383 // detach bitmap from its autodeleter, since we want to own it now 384 adb.detach(); 385 386 if (javaBitmap != NULL) { 387 // If a java bitmap was passed in for reuse, pass it back 388 return javaBitmap; 389 } 390 // now create the java bitmap 391 return GraphicsJNI::createBitmap(env, bitmap, javaAllocator.getStorageObj(), 392 isMutable, ninePatchChunk, layoutBounds, -1); 393} 394 395static jobject nativeDecodeStreamScaled(JNIEnv* env, jobject clazz, jobject is, jbyteArray storage, 396 jobject padding, jobject options, jboolean applyScale, jfloat scale) { 397 398 jobject bitmap = NULL; 399 SkStream* stream = CreateJavaInputStreamAdaptor(env, is, storage, 0); 400 401 if (stream) { 402 // for now we don't allow purgeable with java inputstreams 403 bitmap = doDecode(env, stream, padding, options, false, false, applyScale, scale); 404 stream->unref(); 405 } 406 return bitmap; 407} 408 409static jobject nativeDecodeStream(JNIEnv* env, jobject clazz, jobject is, jbyteArray storage, 410 jobject padding, jobject options) { 411 412 return nativeDecodeStreamScaled(env, clazz, is, storage, padding, options, false, 1.0f); 413} 414 415static ssize_t getFDSize(int fd) { 416 off64_t curr = ::lseek64(fd, 0, SEEK_CUR); 417 if (curr < 0) { 418 return 0; 419 } 420 size_t size = ::lseek(fd, 0, SEEK_END); 421 ::lseek64(fd, curr, SEEK_SET); 422 return size; 423} 424 425static jobject nativeDecodeFileDescriptor(JNIEnv* env, jobject clazz, jobject fileDescriptor, 426 jobject padding, jobject bitmapFactoryOptions) { 427 428 NPE_CHECK_RETURN_ZERO(env, fileDescriptor); 429 430 jint descriptor = jniGetFDFromFileDescriptor(env, fileDescriptor); 431 432 bool isPurgeable = optionsPurgeable(env, bitmapFactoryOptions); 433 bool isShareable = optionsShareable(env, bitmapFactoryOptions); 434 bool weOwnTheFD = false; 435 if (isPurgeable && isShareable) { 436 int newFD = ::dup(descriptor); 437 if (-1 != newFD) { 438 weOwnTheFD = true; 439 descriptor = newFD; 440 } 441 } 442 443 SkFDStream* stream = new SkFDStream(descriptor, weOwnTheFD); 444 SkAutoUnref aur(stream); 445 if (!stream->isValid()) { 446 return NULL; 447 } 448 449 /* Restore our offset when we leave, so we can be called more than once 450 with the same descriptor. This is only required if we didn't dup the 451 file descriptor, but it is OK to do it all the time. 452 */ 453 AutoFDSeek as(descriptor); 454 455 /* Allow purgeable iff we own the FD, i.e., in the puregeable and 456 shareable case. 457 */ 458 return doDecode(env, stream, padding, bitmapFactoryOptions, weOwnTheFD); 459} 460 461/* make a deep copy of the asset, and return it as a stream, or NULL if there 462 was an error. 463 */ 464static SkStream* copyAssetToStream(Asset* asset) { 465 // if we could "ref/reopen" the asset, we may not need to copy it here 466 off64_t size = asset->seek(0, SEEK_SET); 467 if ((off64_t)-1 == size) { 468 SkDebugf("---- copyAsset: asset rewind failed\n"); 469 return NULL; 470 } 471 472 size = asset->getLength(); 473 if (size <= 0) { 474 SkDebugf("---- copyAsset: asset->getLength() returned %d\n", size); 475 return NULL; 476 } 477 478 SkStream* stream = new SkMemoryStream(size); 479 void* data = const_cast<void*>(stream->getMemoryBase()); 480 off64_t len = asset->read(data, size); 481 if (len != size) { 482 SkDebugf("---- copyAsset: asset->read(%d) returned %d\n", size, len); 483 delete stream; 484 stream = NULL; 485 } 486 return stream; 487} 488 489static jobject nativeDecodeAssetScaled(JNIEnv* env, jobject clazz, jint native_asset, 490 jobject padding, jobject options, jboolean applyScale, jfloat scale) { 491 492 SkStream* stream; 493 Asset* asset = reinterpret_cast<Asset*>(native_asset); 494 bool forcePurgeable = optionsPurgeable(env, options); 495 if (forcePurgeable) { 496 // if we could "ref/reopen" the asset, we may not need to copy it here 497 // and we could assume optionsShareable, since assets are always RO 498 stream = copyAssetToStream(asset); 499 if (stream == NULL) { 500 return NULL; 501 } 502 } else { 503 // since we know we'll be done with the asset when we return, we can 504 // just use a simple wrapper 505 stream = new AssetStreamAdaptor(asset); 506 } 507 SkAutoUnref aur(stream); 508 return doDecode(env, stream, padding, options, true, forcePurgeable, applyScale, scale); 509} 510 511static jobject nativeDecodeAsset(JNIEnv* env, jobject clazz, jint native_asset, 512 jobject padding, jobject options) { 513 514 return nativeDecodeAssetScaled(env, clazz, native_asset, padding, options, false, 1.0f); 515} 516 517static jobject nativeDecodeByteArray(JNIEnv* env, jobject, jbyteArray byteArray, 518 int offset, int length, jobject options) { 519 520 /* If optionsShareable() we could decide to just wrap the java array and 521 share it, but that means adding a globalref to the java array object 522 and managing its lifetime. For now we just always copy the array's data 523 if optionsPurgeable(), unless we're just decoding bounds. 524 */ 525 bool purgeable = optionsPurgeable(env, options) && !optionsJustBounds(env, options); 526 AutoJavaByteArray ar(env, byteArray); 527 SkStream* stream = new SkMemoryStream(ar.ptr() + offset, length, purgeable); 528 SkAutoUnref aur(stream); 529 return doDecode(env, stream, NULL, options, purgeable); 530} 531 532static void nativeRequestCancel(JNIEnv*, jobject joptions) { 533 (void)AutoDecoderCancel::RequestCancel(joptions); 534} 535 536static jboolean nativeIsSeekable(JNIEnv* env, jobject, jobject fileDescriptor) { 537 jint descriptor = jniGetFDFromFileDescriptor(env, fileDescriptor); 538 return ::lseek64(descriptor, 0, SEEK_CUR) != -1 ? JNI_TRUE : JNI_FALSE; 539} 540 541/////////////////////////////////////////////////////////////////////////////// 542 543static JNINativeMethod gMethods[] = { 544 { "nativeDecodeStream", 545 "(Ljava/io/InputStream;[BLandroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", 546 (void*)nativeDecodeStream 547 }, 548 { "nativeDecodeStream", 549 "(Ljava/io/InputStream;[BLandroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;ZF)Landroid/graphics/Bitmap;", 550 (void*)nativeDecodeStreamScaled 551 }, 552 553 { "nativeDecodeFileDescriptor", 554 "(Ljava/io/FileDescriptor;Landroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", 555 (void*)nativeDecodeFileDescriptor 556 }, 557 558 { "nativeDecodeAsset", 559 "(ILandroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", 560 (void*)nativeDecodeAsset 561 }, 562 563 { "nativeDecodeAsset", 564 "(ILandroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;ZF)Landroid/graphics/Bitmap;", 565 (void*)nativeDecodeAssetScaled 566 }, 567 568 { "nativeDecodeByteArray", 569 "([BIILandroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", 570 (void*)nativeDecodeByteArray 571 }, 572 573 { "nativeScaleNinePatch", 574 "([BFLandroid/graphics/Rect;)[B", 575 (void*)nativeScaleNinePatch 576 }, 577 578 { "nativeIsSeekable", 579 "(Ljava/io/FileDescriptor;)Z", 580 (void*)nativeIsSeekable 581 }, 582}; 583 584static JNINativeMethod gOptionsMethods[] = { 585 { "requestCancel", "()V", (void*)nativeRequestCancel } 586}; 587 588static jfieldID getFieldIDCheck(JNIEnv* env, jclass clazz, 589 const char fieldname[], const char type[]) { 590 jfieldID id = env->GetFieldID(clazz, fieldname, type); 591 SkASSERT(id); 592 return id; 593} 594 595int register_android_graphics_BitmapFactory(JNIEnv* env) { 596 jclass options_class = env->FindClass("android/graphics/BitmapFactory$Options"); 597 SkASSERT(options_class); 598 gOptions_bitmapFieldID = getFieldIDCheck(env, options_class, "inBitmap", 599 "Landroid/graphics/Bitmap;"); 600 gOptions_justBoundsFieldID = getFieldIDCheck(env, options_class, "inJustDecodeBounds", "Z"); 601 gOptions_sampleSizeFieldID = getFieldIDCheck(env, options_class, "inSampleSize", "I"); 602 gOptions_configFieldID = getFieldIDCheck(env, options_class, "inPreferredConfig", 603 "Landroid/graphics/Bitmap$Config;"); 604 gOptions_mutableFieldID = getFieldIDCheck(env, options_class, "inMutable", "Z"); 605 gOptions_ditherFieldID = getFieldIDCheck(env, options_class, "inDither", "Z"); 606 gOptions_purgeableFieldID = getFieldIDCheck(env, options_class, "inPurgeable", "Z"); 607 gOptions_shareableFieldID = getFieldIDCheck(env, options_class, "inInputShareable", "Z"); 608 gOptions_preferQualityOverSpeedFieldID = getFieldIDCheck(env, options_class, 609 "inPreferQualityOverSpeed", "Z"); 610 gOptions_widthFieldID = getFieldIDCheck(env, options_class, "outWidth", "I"); 611 gOptions_heightFieldID = getFieldIDCheck(env, options_class, "outHeight", "I"); 612 gOptions_mimeFieldID = getFieldIDCheck(env, options_class, "outMimeType", "Ljava/lang/String;"); 613 gOptions_mCancelID = getFieldIDCheck(env, options_class, "mCancel", "Z"); 614 615 jclass bitmap_class = env->FindClass("android/graphics/Bitmap"); 616 SkASSERT(bitmap_class); 617 gBitmap_nativeBitmapFieldID = getFieldIDCheck(env, bitmap_class, "mNativeBitmap", "I"); 618 gBitmap_layoutBoundsFieldID = getFieldIDCheck(env, bitmap_class, "mLayoutBounds", "[I"); 619 int ret = AndroidRuntime::registerNativeMethods(env, 620 "android/graphics/BitmapFactory$Options", 621 gOptionsMethods, 622 SK_ARRAY_COUNT(gOptionsMethods)); 623 if (ret) { 624 return ret; 625 } 626 return android::AndroidRuntime::registerNativeMethods(env, "android/graphics/BitmapFactory", 627 gMethods, SK_ARRAY_COUNT(gMethods)); 628} 629