Graphics.cpp revision 19b4b019169424d62bf3edc40b9560984206cf80
1#define LOG_TAG "GraphicsJNI" 2 3#include <unistd.h> 4#include <sys/mman.h> 5 6#include "jni.h" 7#include "JNIHelp.h" 8#include "GraphicsJNI.h" 9 10#include "SkCanvas.h" 11#include "SkDevice.h" 12#include "SkMath.h" 13#include "SkRegion.h" 14#include <android_runtime/AndroidRuntime.h> 15#include <cutils/ashmem.h> 16#include <hwui/Canvas.h> 17 18#include <Caches.h> 19#include <TextureCache.h> 20 21void doThrowNPE(JNIEnv* env) { 22 jniThrowNullPointerException(env, NULL); 23} 24 25void doThrowAIOOBE(JNIEnv* env) { 26 jniThrowException(env, "java/lang/ArrayIndexOutOfBoundsException", NULL); 27} 28 29void doThrowRE(JNIEnv* env, const char* msg) { 30 jniThrowRuntimeException(env, msg); 31} 32 33void doThrowIAE(JNIEnv* env, const char* msg) { 34 jniThrowException(env, "java/lang/IllegalArgumentException", msg); 35} 36 37void doThrowISE(JNIEnv* env, const char* msg) { 38 jniThrowException(env, "java/lang/IllegalStateException", msg); 39} 40 41void doThrowOOME(JNIEnv* env, const char* msg) { 42 jniThrowException(env, "java/lang/OutOfMemoryError", msg); 43} 44 45void doThrowIOE(JNIEnv* env, const char* msg) { 46 jniThrowException(env, "java/io/IOException", msg); 47} 48 49bool GraphicsJNI::hasException(JNIEnv *env) { 50 if (env->ExceptionCheck() != 0) { 51 ALOGE("*** Uncaught exception returned from Java call!\n"); 52 env->ExceptionDescribe(); 53 return true; 54 } 55 return false; 56} 57 58/////////////////////////////////////////////////////////////////////////////// 59 60AutoJavaFloatArray::AutoJavaFloatArray(JNIEnv* env, jfloatArray array, 61 int minLength, JNIAccess access) 62: fEnv(env), fArray(array), fPtr(NULL), fLen(0) { 63 SkASSERT(env); 64 if (array) { 65 fLen = env->GetArrayLength(array); 66 if (fLen < minLength) { 67 sk_throw(); 68 } 69 fPtr = env->GetFloatArrayElements(array, NULL); 70 } 71 fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0; 72} 73 74AutoJavaFloatArray::~AutoJavaFloatArray() { 75 if (fPtr) { 76 fEnv->ReleaseFloatArrayElements(fArray, fPtr, fReleaseMode); 77 } 78} 79 80AutoJavaIntArray::AutoJavaIntArray(JNIEnv* env, jintArray array, 81 int minLength) 82: fEnv(env), fArray(array), fPtr(NULL), fLen(0) { 83 SkASSERT(env); 84 if (array) { 85 fLen = env->GetArrayLength(array); 86 if (fLen < minLength) { 87 sk_throw(); 88 } 89 fPtr = env->GetIntArrayElements(array, NULL); 90 } 91} 92 93AutoJavaIntArray::~AutoJavaIntArray() { 94 if (fPtr) { 95 fEnv->ReleaseIntArrayElements(fArray, fPtr, 0); 96 } 97} 98 99AutoJavaShortArray::AutoJavaShortArray(JNIEnv* env, jshortArray array, 100 int minLength, JNIAccess access) 101: fEnv(env), fArray(array), fPtr(NULL), fLen(0) { 102 SkASSERT(env); 103 if (array) { 104 fLen = env->GetArrayLength(array); 105 if (fLen < minLength) { 106 sk_throw(); 107 } 108 fPtr = env->GetShortArrayElements(array, NULL); 109 } 110 fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0; 111} 112 113AutoJavaShortArray::~AutoJavaShortArray() { 114 if (fPtr) { 115 fEnv->ReleaseShortArrayElements(fArray, fPtr, fReleaseMode); 116 } 117} 118 119AutoJavaByteArray::AutoJavaByteArray(JNIEnv* env, jbyteArray array, 120 int minLength) 121: fEnv(env), fArray(array), fPtr(NULL), fLen(0) { 122 SkASSERT(env); 123 if (array) { 124 fLen = env->GetArrayLength(array); 125 if (fLen < minLength) { 126 sk_throw(); 127 } 128 fPtr = env->GetByteArrayElements(array, NULL); 129 } 130} 131 132AutoJavaByteArray::~AutoJavaByteArray() { 133 if (fPtr) { 134 fEnv->ReleaseByteArrayElements(fArray, fPtr, 0); 135 } 136} 137 138/////////////////////////////////////////////////////////////////////////////// 139 140static jclass gRect_class; 141static jfieldID gRect_leftFieldID; 142static jfieldID gRect_topFieldID; 143static jfieldID gRect_rightFieldID; 144static jfieldID gRect_bottomFieldID; 145 146static jclass gRectF_class; 147static jfieldID gRectF_leftFieldID; 148static jfieldID gRectF_topFieldID; 149static jfieldID gRectF_rightFieldID; 150static jfieldID gRectF_bottomFieldID; 151 152static jclass gPoint_class; 153static jfieldID gPoint_xFieldID; 154static jfieldID gPoint_yFieldID; 155 156static jclass gPointF_class; 157static jfieldID gPointF_xFieldID; 158static jfieldID gPointF_yFieldID; 159 160static jclass gBitmapConfig_class; 161static jfieldID gBitmapConfig_nativeInstanceID; 162 163static jclass gBitmapRegionDecoder_class; 164static jmethodID gBitmapRegionDecoder_constructorMethodID; 165 166static jclass gCanvas_class; 167static jfieldID gCanvas_nativeInstanceID; 168 169static jclass gPicture_class; 170static jfieldID gPicture_nativeInstanceID; 171 172static jclass gRegion_class; 173static jfieldID gRegion_nativeInstanceID; 174static jmethodID gRegion_constructorMethodID; 175 176static jclass gByte_class; 177static jobject gVMRuntime; 178static jclass gVMRuntime_class; 179static jmethodID gVMRuntime_newNonMovableArray; 180static jmethodID gVMRuntime_addressOf; 181 182/////////////////////////////////////////////////////////////////////////////// 183 184void GraphicsJNI::get_jrect(JNIEnv* env, jobject obj, int* L, int* T, int* R, int* B) 185{ 186 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 187 188 *L = env->GetIntField(obj, gRect_leftFieldID); 189 *T = env->GetIntField(obj, gRect_topFieldID); 190 *R = env->GetIntField(obj, gRect_rightFieldID); 191 *B = env->GetIntField(obj, gRect_bottomFieldID); 192} 193 194void GraphicsJNI::set_jrect(JNIEnv* env, jobject obj, int L, int T, int R, int B) 195{ 196 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 197 198 env->SetIntField(obj, gRect_leftFieldID, L); 199 env->SetIntField(obj, gRect_topFieldID, T); 200 env->SetIntField(obj, gRect_rightFieldID, R); 201 env->SetIntField(obj, gRect_bottomFieldID, B); 202} 203 204SkIRect* GraphicsJNI::jrect_to_irect(JNIEnv* env, jobject obj, SkIRect* ir) 205{ 206 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 207 208 ir->set(env->GetIntField(obj, gRect_leftFieldID), 209 env->GetIntField(obj, gRect_topFieldID), 210 env->GetIntField(obj, gRect_rightFieldID), 211 env->GetIntField(obj, gRect_bottomFieldID)); 212 return ir; 213} 214 215void GraphicsJNI::irect_to_jrect(const SkIRect& ir, JNIEnv* env, jobject obj) 216{ 217 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 218 219 env->SetIntField(obj, gRect_leftFieldID, ir.fLeft); 220 env->SetIntField(obj, gRect_topFieldID, ir.fTop); 221 env->SetIntField(obj, gRect_rightFieldID, ir.fRight); 222 env->SetIntField(obj, gRect_bottomFieldID, ir.fBottom); 223} 224 225SkRect* GraphicsJNI::jrectf_to_rect(JNIEnv* env, jobject obj, SkRect* r) 226{ 227 SkASSERT(env->IsInstanceOf(obj, gRectF_class)); 228 229 r->set(env->GetFloatField(obj, gRectF_leftFieldID), 230 env->GetFloatField(obj, gRectF_topFieldID), 231 env->GetFloatField(obj, gRectF_rightFieldID), 232 env->GetFloatField(obj, gRectF_bottomFieldID)); 233 return r; 234} 235 236SkRect* GraphicsJNI::jrect_to_rect(JNIEnv* env, jobject obj, SkRect* r) 237{ 238 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 239 240 r->set(SkIntToScalar(env->GetIntField(obj, gRect_leftFieldID)), 241 SkIntToScalar(env->GetIntField(obj, gRect_topFieldID)), 242 SkIntToScalar(env->GetIntField(obj, gRect_rightFieldID)), 243 SkIntToScalar(env->GetIntField(obj, gRect_bottomFieldID))); 244 return r; 245} 246 247void GraphicsJNI::rect_to_jrectf(const SkRect& r, JNIEnv* env, jobject obj) 248{ 249 SkASSERT(env->IsInstanceOf(obj, gRectF_class)); 250 251 env->SetFloatField(obj, gRectF_leftFieldID, SkScalarToFloat(r.fLeft)); 252 env->SetFloatField(obj, gRectF_topFieldID, SkScalarToFloat(r.fTop)); 253 env->SetFloatField(obj, gRectF_rightFieldID, SkScalarToFloat(r.fRight)); 254 env->SetFloatField(obj, gRectF_bottomFieldID, SkScalarToFloat(r.fBottom)); 255} 256 257SkIPoint* GraphicsJNI::jpoint_to_ipoint(JNIEnv* env, jobject obj, SkIPoint* point) 258{ 259 SkASSERT(env->IsInstanceOf(obj, gPoint_class)); 260 261 point->set(env->GetIntField(obj, gPoint_xFieldID), 262 env->GetIntField(obj, gPoint_yFieldID)); 263 return point; 264} 265 266void GraphicsJNI::ipoint_to_jpoint(const SkIPoint& ir, JNIEnv* env, jobject obj) 267{ 268 SkASSERT(env->IsInstanceOf(obj, gPoint_class)); 269 270 env->SetIntField(obj, gPoint_xFieldID, ir.fX); 271 env->SetIntField(obj, gPoint_yFieldID, ir.fY); 272} 273 274SkPoint* GraphicsJNI::jpointf_to_point(JNIEnv* env, jobject obj, SkPoint* point) 275{ 276 SkASSERT(env->IsInstanceOf(obj, gPointF_class)); 277 278 point->set(env->GetIntField(obj, gPointF_xFieldID), 279 env->GetIntField(obj, gPointF_yFieldID)); 280 return point; 281} 282 283void GraphicsJNI::point_to_jpointf(const SkPoint& r, JNIEnv* env, jobject obj) 284{ 285 SkASSERT(env->IsInstanceOf(obj, gPointF_class)); 286 287 env->SetFloatField(obj, gPointF_xFieldID, SkScalarToFloat(r.fX)); 288 env->SetFloatField(obj, gPointF_yFieldID, SkScalarToFloat(r.fY)); 289} 290 291// This enum must keep these int values, to match the int values 292// in the java Bitmap.Config enum. 293enum LegacyBitmapConfig { 294 kNo_LegacyBitmapConfig = 0, 295 kA8_LegacyBitmapConfig = 1, 296 kIndex8_LegacyBitmapConfig = 2, 297 kRGB_565_LegacyBitmapConfig = 3, 298 kARGB_4444_LegacyBitmapConfig = 4, 299 kARGB_8888_LegacyBitmapConfig = 5, 300 kHardware_LegacyBitmapConfig = 6, 301 302 kLastEnum_LegacyBitmapConfig = kHardware_LegacyBitmapConfig 303}; 304 305jint GraphicsJNI::colorTypeToLegacyBitmapConfig(SkColorType colorType) { 306 switch (colorType) { 307 case kN32_SkColorType: 308 return kARGB_8888_LegacyBitmapConfig; 309 case kARGB_4444_SkColorType: 310 return kARGB_4444_LegacyBitmapConfig; 311 case kRGB_565_SkColorType: 312 return kRGB_565_LegacyBitmapConfig; 313 case kIndex_8_SkColorType: 314 return kIndex8_LegacyBitmapConfig; 315 case kAlpha_8_SkColorType: 316 return kA8_LegacyBitmapConfig; 317 case kUnknown_SkColorType: 318 default: 319 break; 320 } 321 return kNo_LegacyBitmapConfig; 322} 323 324SkColorType GraphicsJNI::legacyBitmapConfigToColorType(jint legacyConfig) { 325 const uint8_t gConfig2ColorType[] = { 326 kUnknown_SkColorType, 327 kAlpha_8_SkColorType, 328 kIndex_8_SkColorType, 329 kRGB_565_SkColorType, 330 kARGB_4444_SkColorType, 331 kN32_SkColorType, 332 kN32_SkColorType 333 }; 334 335 if (legacyConfig < 0 || legacyConfig > kLastEnum_LegacyBitmapConfig) { 336 legacyConfig = kNo_LegacyBitmapConfig; 337 } 338 return static_cast<SkColorType>(gConfig2ColorType[legacyConfig]); 339} 340 341void GraphicsJNI::getSkBitmap(JNIEnv* env, jobject bitmap, SkBitmap* outBitmap) { 342 android::bitmap::toBitmap(env, bitmap).getSkBitmap(outBitmap); 343} 344 345SkPixelRef* GraphicsJNI::refSkPixelRef(JNIEnv* env, jobject jbitmap) { 346 android::Bitmap& bitmap = android::bitmap::toBitmap(env, jbitmap); 347 bitmap.ref(); 348 return &bitmap; 349} 350SkColorType GraphicsJNI::getNativeBitmapColorType(JNIEnv* env, jobject jconfig) { 351 SkASSERT(env); 352 if (NULL == jconfig) { 353 return kUnknown_SkColorType; 354 } 355 SkASSERT(env->IsInstanceOf(jconfig, gBitmapConfig_class)); 356 int c = env->GetIntField(jconfig, gBitmapConfig_nativeInstanceID); 357 return legacyBitmapConfigToColorType(c); 358} 359 360bool GraphicsJNI::isHardwareConfig(JNIEnv* env, jobject jconfig) { 361 SkASSERT(env); 362 if (NULL == jconfig) { 363 return false; 364 } 365 int c = env->GetIntField(jconfig, gBitmapConfig_nativeInstanceID); 366 return c == kHardware_LegacyBitmapConfig; 367} 368 369jint GraphicsJNI::hardwareLegacyBitmapConfig() { 370 return kHardware_LegacyBitmapConfig; 371} 372 373android::Canvas* GraphicsJNI::getNativeCanvas(JNIEnv* env, jobject canvas) { 374 SkASSERT(env); 375 SkASSERT(canvas); 376 SkASSERT(env->IsInstanceOf(canvas, gCanvas_class)); 377 jlong canvasHandle = env->GetLongField(canvas, gCanvas_nativeInstanceID); 378 if (!canvasHandle) { 379 return NULL; 380 } 381 return reinterpret_cast<android::Canvas*>(canvasHandle); 382} 383 384SkRegion* GraphicsJNI::getNativeRegion(JNIEnv* env, jobject region) 385{ 386 SkASSERT(env); 387 SkASSERT(region); 388 SkASSERT(env->IsInstanceOf(region, gRegion_class)); 389 jlong regionHandle = env->GetLongField(region, gRegion_nativeInstanceID); 390 SkRegion* r = reinterpret_cast<SkRegion*>(regionHandle); 391 SkASSERT(r); 392 return r; 393} 394 395/////////////////////////////////////////////////////////////////////////////////////////// 396 397jobject GraphicsJNI::createBitmapRegionDecoder(JNIEnv* env, SkBitmapRegionDecoder* bitmap) 398{ 399 SkASSERT(bitmap != NULL); 400 401 jobject obj = env->NewObject(gBitmapRegionDecoder_class, 402 gBitmapRegionDecoder_constructorMethodID, 403 reinterpret_cast<jlong>(bitmap)); 404 hasException(env); // For the side effect of logging. 405 return obj; 406} 407 408jobject GraphicsJNI::createRegion(JNIEnv* env, SkRegion* region) 409{ 410 SkASSERT(region != NULL); 411 jobject obj = env->NewObject(gRegion_class, gRegion_constructorMethodID, 412 reinterpret_cast<jlong>(region), 0); 413 hasException(env); // For the side effect of logging. 414 return obj; 415} 416 417/////////////////////////////////////////////////////////////////////////////// 418 419android::Bitmap* GraphicsJNI::mapAshmemBitmap(JNIEnv* env, SkBitmap* bitmap, 420 SkColorTable* ctable, int fd, void* addr, size_t size, bool readOnly) { 421 const SkImageInfo& info = bitmap->info(); 422 if (info.colorType() == kUnknown_SkColorType) { 423 doThrowIAE(env, "unknown bitmap configuration"); 424 return nullptr; 425 } 426 427 if (!addr) { 428 // Map existing ashmem region if not already mapped. 429 int flags = readOnly ? (PROT_READ) : (PROT_READ | PROT_WRITE); 430 size = ashmem_get_size_region(fd); 431 addr = mmap(NULL, size, flags, MAP_SHARED, fd, 0); 432 if (addr == MAP_FAILED) { 433 return nullptr; 434 } 435 } 436 437 // we must respect the rowBytes value already set on the bitmap instead of 438 // attempting to compute our own. 439 const size_t rowBytes = bitmap->rowBytes(); 440 441 auto wrapper = new android::Bitmap(addr, fd, size, info, rowBytes, ctable); 442 wrapper->getSkBitmap(bitmap); 443 if (readOnly) { 444 bitmap->pixelRef()->setImmutable(); 445 } 446 // since we're already allocated, we lockPixels right away 447 // HeapAllocator behaves this way too 448 bitmap->lockPixels(); 449 450 return wrapper; 451} 452 453sk_sp<SkColorSpace> GraphicsJNI::defaultColorSpace() { 454#ifdef ANDROID_ENABLE_LINEAR_BLENDING 455 return SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named); 456#else 457 return nullptr; 458#endif 459} 460 461/////////////////////////////////////////////////////////////////////////////// 462bool HeapAllocator::allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) { 463 mStorage = android::Bitmap::allocateHeapBitmap(bitmap, ctable); 464 return !!mStorage; 465} 466 467//////////////////////////////////////////////////////////////////////////////// 468 469RecyclingClippingPixelAllocator::RecyclingClippingPixelAllocator( 470 android::Bitmap* recycledBitmap, size_t recycledBytes) 471 : mRecycledBitmap(recycledBitmap) 472 , mRecycledBytes(recycledBytes) 473 , mSkiaBitmap(nullptr) 474 , mNeedsCopy(false) 475{} 476 477RecyclingClippingPixelAllocator::~RecyclingClippingPixelAllocator() {} 478 479bool RecyclingClippingPixelAllocator::allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) { 480 // Ensure that the caller did not pass in a NULL bitmap to the constructor or this 481 // function. 482 LOG_ALWAYS_FATAL_IF(!mRecycledBitmap); 483 LOG_ALWAYS_FATAL_IF(!bitmap); 484 mSkiaBitmap = bitmap; 485 486 // This behaves differently than the RecyclingPixelAllocator. For backwards 487 // compatibility, the original color type of the recycled bitmap must be maintained. 488 if (mRecycledBitmap->info().colorType() != bitmap->colorType()) { 489 return false; 490 } 491 492 // The Skia bitmap specifies the width and height needed by the decoder. 493 // mRecycledBitmap specifies the width and height of the bitmap that we 494 // want to reuse. Neither can be changed. We will try to find a way 495 // to reuse the memory. 496 const int maxWidth = SkTMax(bitmap->width(), mRecycledBitmap->info().width()); 497 const int maxHeight = SkTMax(bitmap->height(), mRecycledBitmap->info().height()); 498 const SkImageInfo maxInfo = bitmap->info().makeWH(maxWidth, maxHeight); 499 const size_t rowBytes = maxInfo.minRowBytes(); 500 const size_t bytesNeeded = maxInfo.getSafeSize(rowBytes); 501 if (bytesNeeded <= mRecycledBytes) { 502 // Here we take advantage of reconfigure() to reset the rowBytes and ctable 503 // of mRecycledBitmap. It is very important that we pass in 504 // mRecycledBitmap->info() for the SkImageInfo. According to the 505 // specification for BitmapRegionDecoder, we are not allowed to change 506 // the SkImageInfo. 507 mRecycledBitmap->reconfigure(mRecycledBitmap->info(), rowBytes, ctable); 508 509 // Give the bitmap the same pixelRef as mRecycledBitmap. 510 // skbug.com/4538: We also need to make sure that the rowBytes on the pixel ref 511 // match the rowBytes on the bitmap. 512 bitmap->setInfo(bitmap->info(), rowBytes); 513 mRecycledBitmap->ref(); 514 bitmap->setPixelRef(mRecycledBitmap)->unref(); 515 516 // Make sure that the recycled bitmap has the correct alpha type. 517 mRecycledBitmap->setAlphaType(bitmap->alphaType()); 518 519 bitmap->notifyPixelsChanged(); 520 bitmap->lockPixels(); 521 mNeedsCopy = false; 522 523 // TODO: If the dimensions of the SkBitmap are smaller than those of 524 // mRecycledBitmap, should we zero the memory in mRecycledBitmap? 525 return true; 526 } 527 528 // In the event that mRecycledBitmap is not large enough, allocate new memory 529 // on the heap. 530 SkBitmap::HeapAllocator heapAllocator; 531 532 // We will need to copy from heap memory to mRecycledBitmap's memory after the 533 // decode is complete. 534 mNeedsCopy = true; 535 536 return heapAllocator.allocPixelRef(bitmap, ctable); 537} 538 539void RecyclingClippingPixelAllocator::copyIfNecessary() { 540 if (mNeedsCopy) { 541 mRecycledBitmap->ref(); 542 SkPixelRef* recycledPixels = mRecycledBitmap; 543 void* dst = recycledPixels->pixels(); 544 const size_t dstRowBytes = mRecycledBitmap->rowBytes(); 545 const size_t bytesToCopy = std::min(mRecycledBitmap->info().minRowBytes(), 546 mSkiaBitmap->info().minRowBytes()); 547 const int rowsToCopy = std::min(mRecycledBitmap->info().height(), 548 mSkiaBitmap->info().height()); 549 for (int y = 0; y < rowsToCopy; y++) { 550 memcpy(dst, mSkiaBitmap->getAddr(0, y), bytesToCopy); 551 dst = SkTAddOffset<void>(dst, dstRowBytes); 552 } 553 recycledPixels->notifyPixelsChanged(); 554 recycledPixels->unref(); 555 } 556 mRecycledBitmap = nullptr; 557 mSkiaBitmap = nullptr; 558} 559 560//////////////////////////////////////////////////////////////////////////////// 561 562AshmemPixelAllocator::AshmemPixelAllocator(JNIEnv *env) { 563 LOG_ALWAYS_FATAL_IF(env->GetJavaVM(&mJavaVM) != JNI_OK, 564 "env->GetJavaVM failed"); 565} 566 567bool AshmemPixelAllocator::allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) { 568 mStorage = android::Bitmap::allocateAshmemBitmap(bitmap, ctable); 569 return !!mStorage; 570} 571 572//////////////////////////////////////////////////////////////////////////////// 573 574static jclass make_globalref(JNIEnv* env, const char classname[]) 575{ 576 jclass c = env->FindClass(classname); 577 SkASSERT(c); 578 return (jclass) env->NewGlobalRef(c); 579} 580 581static jfieldID getFieldIDCheck(JNIEnv* env, jclass clazz, 582 const char fieldname[], const char type[]) 583{ 584 jfieldID id = env->GetFieldID(clazz, fieldname, type); 585 SkASSERT(id); 586 return id; 587} 588 589int register_android_graphics_Graphics(JNIEnv* env) 590{ 591 jmethodID m; 592 jclass c; 593 594 gRect_class = make_globalref(env, "android/graphics/Rect"); 595 gRect_leftFieldID = getFieldIDCheck(env, gRect_class, "left", "I"); 596 gRect_topFieldID = getFieldIDCheck(env, gRect_class, "top", "I"); 597 gRect_rightFieldID = getFieldIDCheck(env, gRect_class, "right", "I"); 598 gRect_bottomFieldID = getFieldIDCheck(env, gRect_class, "bottom", "I"); 599 600 gRectF_class = make_globalref(env, "android/graphics/RectF"); 601 gRectF_leftFieldID = getFieldIDCheck(env, gRectF_class, "left", "F"); 602 gRectF_topFieldID = getFieldIDCheck(env, gRectF_class, "top", "F"); 603 gRectF_rightFieldID = getFieldIDCheck(env, gRectF_class, "right", "F"); 604 gRectF_bottomFieldID = getFieldIDCheck(env, gRectF_class, "bottom", "F"); 605 606 gPoint_class = make_globalref(env, "android/graphics/Point"); 607 gPoint_xFieldID = getFieldIDCheck(env, gPoint_class, "x", "I"); 608 gPoint_yFieldID = getFieldIDCheck(env, gPoint_class, "y", "I"); 609 610 gPointF_class = make_globalref(env, "android/graphics/PointF"); 611 gPointF_xFieldID = getFieldIDCheck(env, gPointF_class, "x", "F"); 612 gPointF_yFieldID = getFieldIDCheck(env, gPointF_class, "y", "F"); 613 614 gBitmapRegionDecoder_class = make_globalref(env, "android/graphics/BitmapRegionDecoder"); 615 gBitmapRegionDecoder_constructorMethodID = env->GetMethodID(gBitmapRegionDecoder_class, "<init>", "(J)V"); 616 617 gBitmapConfig_class = make_globalref(env, "android/graphics/Bitmap$Config"); 618 gBitmapConfig_nativeInstanceID = getFieldIDCheck(env, gBitmapConfig_class, 619 "nativeInt", "I"); 620 621 gCanvas_class = make_globalref(env, "android/graphics/Canvas"); 622 gCanvas_nativeInstanceID = getFieldIDCheck(env, gCanvas_class, "mNativeCanvasWrapper", "J"); 623 624 gPicture_class = make_globalref(env, "android/graphics/Picture"); 625 gPicture_nativeInstanceID = getFieldIDCheck(env, gPicture_class, "mNativePicture", "J"); 626 627 gRegion_class = make_globalref(env, "android/graphics/Region"); 628 gRegion_nativeInstanceID = getFieldIDCheck(env, gRegion_class, "mNativeRegion", "J"); 629 gRegion_constructorMethodID = env->GetMethodID(gRegion_class, "<init>", 630 "(JI)V"); 631 632 c = env->FindClass("java/lang/Byte"); 633 gByte_class = (jclass) env->NewGlobalRef( 634 env->GetStaticObjectField(c, env->GetStaticFieldID(c, "TYPE", "Ljava/lang/Class;"))); 635 636 gVMRuntime_class = make_globalref(env, "dalvik/system/VMRuntime"); 637 m = env->GetStaticMethodID(gVMRuntime_class, "getRuntime", "()Ldalvik/system/VMRuntime;"); 638 gVMRuntime = env->NewGlobalRef(env->CallStaticObjectMethod(gVMRuntime_class, m)); 639 gVMRuntime_newNonMovableArray = env->GetMethodID(gVMRuntime_class, "newNonMovableArray", 640 "(Ljava/lang/Class;I)Ljava/lang/Object;"); 641 gVMRuntime_addressOf = env->GetMethodID(gVMRuntime_class, "addressOf", "(Ljava/lang/Object;)J"); 642 643 return 0; 644} 645