Graphics.cpp revision ae2e8b4891491e8e89bed5f2c9626415adee09cb
1#define LOG_TAG "GraphicsJNI" 2 3#include "jni.h" 4#include "JNIHelp.h" 5#include "GraphicsJNI.h" 6 7#include "Canvas.h" 8#include "SkCanvas.h" 9#include "SkDevice.h" 10#include "SkMath.h" 11#include "SkRegion.h" 12#include <android_runtime/AndroidRuntime.h> 13 14#include <Caches.h> 15#include <TextureCache.h> 16 17void doThrowNPE(JNIEnv* env) { 18 jniThrowNullPointerException(env, NULL); 19} 20 21void doThrowAIOOBE(JNIEnv* env) { 22 jniThrowException(env, "java/lang/ArrayIndexOutOfBoundsException", NULL); 23} 24 25void doThrowRE(JNIEnv* env, const char* msg) { 26 jniThrowRuntimeException(env, msg); 27} 28 29void doThrowIAE(JNIEnv* env, const char* msg) { 30 jniThrowException(env, "java/lang/IllegalArgumentException", msg); 31} 32 33void doThrowISE(JNIEnv* env, const char* msg) { 34 jniThrowException(env, "java/lang/IllegalStateException", msg); 35} 36 37void doThrowOOME(JNIEnv* env, const char* msg) { 38 jniThrowException(env, "java/lang/OutOfMemoryError", msg); 39} 40 41void doThrowIOE(JNIEnv* env, const char* msg) { 42 jniThrowException(env, "java/io/IOException", msg); 43} 44 45bool GraphicsJNI::hasException(JNIEnv *env) { 46 if (env->ExceptionCheck() != 0) { 47 ALOGE("*** Uncaught exception returned from Java call!\n"); 48 env->ExceptionDescribe(); 49 return true; 50 } 51 return false; 52} 53 54/////////////////////////////////////////////////////////////////////////////// 55 56AutoJavaFloatArray::AutoJavaFloatArray(JNIEnv* env, jfloatArray array, 57 int minLength, JNIAccess access) 58: fEnv(env), fArray(array), fPtr(NULL), fLen(0) { 59 SkASSERT(env); 60 if (array) { 61 fLen = env->GetArrayLength(array); 62 if (fLen < minLength) { 63 sk_throw(); 64 } 65 fPtr = env->GetFloatArrayElements(array, NULL); 66 } 67 fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0; 68} 69 70AutoJavaFloatArray::~AutoJavaFloatArray() { 71 if (fPtr) { 72 fEnv->ReleaseFloatArrayElements(fArray, fPtr, fReleaseMode); 73 } 74} 75 76AutoJavaIntArray::AutoJavaIntArray(JNIEnv* env, jintArray array, 77 int minLength) 78: fEnv(env), fArray(array), fPtr(NULL), fLen(0) { 79 SkASSERT(env); 80 if (array) { 81 fLen = env->GetArrayLength(array); 82 if (fLen < minLength) { 83 sk_throw(); 84 } 85 fPtr = env->GetIntArrayElements(array, NULL); 86 } 87} 88 89AutoJavaIntArray::~AutoJavaIntArray() { 90 if (fPtr) { 91 fEnv->ReleaseIntArrayElements(fArray, fPtr, 0); 92 } 93} 94 95AutoJavaShortArray::AutoJavaShortArray(JNIEnv* env, jshortArray array, 96 int minLength, JNIAccess access) 97: fEnv(env), fArray(array), fPtr(NULL), fLen(0) { 98 SkASSERT(env); 99 if (array) { 100 fLen = env->GetArrayLength(array); 101 if (fLen < minLength) { 102 sk_throw(); 103 } 104 fPtr = env->GetShortArrayElements(array, NULL); 105 } 106 fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0; 107} 108 109AutoJavaShortArray::~AutoJavaShortArray() { 110 if (fPtr) { 111 fEnv->ReleaseShortArrayElements(fArray, fPtr, fReleaseMode); 112 } 113} 114 115AutoJavaByteArray::AutoJavaByteArray(JNIEnv* env, jbyteArray array, 116 int minLength) 117: fEnv(env), fArray(array), fPtr(NULL), fLen(0) { 118 SkASSERT(env); 119 if (array) { 120 fLen = env->GetArrayLength(array); 121 if (fLen < minLength) { 122 sk_throw(); 123 } 124 fPtr = env->GetByteArrayElements(array, NULL); 125 } 126} 127 128AutoJavaByteArray::~AutoJavaByteArray() { 129 if (fPtr) { 130 fEnv->ReleaseByteArrayElements(fArray, fPtr, 0); 131 } 132} 133 134/////////////////////////////////////////////////////////////////////////////// 135 136static jclass gRect_class; 137static jfieldID gRect_leftFieldID; 138static jfieldID gRect_topFieldID; 139static jfieldID gRect_rightFieldID; 140static jfieldID gRect_bottomFieldID; 141 142static jclass gRectF_class; 143static jfieldID gRectF_leftFieldID; 144static jfieldID gRectF_topFieldID; 145static jfieldID gRectF_rightFieldID; 146static jfieldID gRectF_bottomFieldID; 147 148static jclass gPoint_class; 149static jfieldID gPoint_xFieldID; 150static jfieldID gPoint_yFieldID; 151 152static jclass gPointF_class; 153static jfieldID gPointF_xFieldID; 154static jfieldID gPointF_yFieldID; 155 156static jclass gBitmap_class; 157static jfieldID gBitmap_nativePtr; 158static jmethodID gBitmap_constructorMethodID; 159static jmethodID gBitmap_reinitMethodID; 160static jmethodID gBitmap_getAllocationByteCountMethodID; 161 162static jclass gBitmapConfig_class; 163static jfieldID gBitmapConfig_nativeInstanceID; 164 165static jclass gBitmapRegionDecoder_class; 166static jmethodID gBitmapRegionDecoder_constructorMethodID; 167 168static jclass gCanvas_class; 169static jfieldID gCanvas_nativeInstanceID; 170 171static jclass gPicture_class; 172static jfieldID gPicture_nativeInstanceID; 173 174static jclass gRegion_class; 175static jfieldID gRegion_nativeInstanceID; 176static jmethodID gRegion_constructorMethodID; 177 178static jclass gByte_class; 179static jobject gVMRuntime; 180static jclass gVMRuntime_class; 181static jmethodID gVMRuntime_newNonMovableArray; 182static jmethodID gVMRuntime_addressOf; 183 184/////////////////////////////////////////////////////////////////////////////// 185 186void GraphicsJNI::get_jrect(JNIEnv* env, jobject obj, int* L, int* T, int* R, int* B) 187{ 188 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 189 190 *L = env->GetIntField(obj, gRect_leftFieldID); 191 *T = env->GetIntField(obj, gRect_topFieldID); 192 *R = env->GetIntField(obj, gRect_rightFieldID); 193 *B = env->GetIntField(obj, gRect_bottomFieldID); 194} 195 196void GraphicsJNI::set_jrect(JNIEnv* env, jobject obj, int L, int T, int R, int B) 197{ 198 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 199 200 env->SetIntField(obj, gRect_leftFieldID, L); 201 env->SetIntField(obj, gRect_topFieldID, T); 202 env->SetIntField(obj, gRect_rightFieldID, R); 203 env->SetIntField(obj, gRect_bottomFieldID, B); 204} 205 206SkIRect* GraphicsJNI::jrect_to_irect(JNIEnv* env, jobject obj, SkIRect* ir) 207{ 208 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 209 210 ir->set(env->GetIntField(obj, gRect_leftFieldID), 211 env->GetIntField(obj, gRect_topFieldID), 212 env->GetIntField(obj, gRect_rightFieldID), 213 env->GetIntField(obj, gRect_bottomFieldID)); 214 return ir; 215} 216 217void GraphicsJNI::irect_to_jrect(const SkIRect& ir, JNIEnv* env, jobject obj) 218{ 219 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 220 221 env->SetIntField(obj, gRect_leftFieldID, ir.fLeft); 222 env->SetIntField(obj, gRect_topFieldID, ir.fTop); 223 env->SetIntField(obj, gRect_rightFieldID, ir.fRight); 224 env->SetIntField(obj, gRect_bottomFieldID, ir.fBottom); 225} 226 227SkRect* GraphicsJNI::jrectf_to_rect(JNIEnv* env, jobject obj, SkRect* r) 228{ 229 SkASSERT(env->IsInstanceOf(obj, gRectF_class)); 230 231 r->set(env->GetFloatField(obj, gRectF_leftFieldID), 232 env->GetFloatField(obj, gRectF_topFieldID), 233 env->GetFloatField(obj, gRectF_rightFieldID), 234 env->GetFloatField(obj, gRectF_bottomFieldID)); 235 return r; 236} 237 238SkRect* GraphicsJNI::jrect_to_rect(JNIEnv* env, jobject obj, SkRect* r) 239{ 240 SkASSERT(env->IsInstanceOf(obj, gRect_class)); 241 242 r->set(SkIntToScalar(env->GetIntField(obj, gRect_leftFieldID)), 243 SkIntToScalar(env->GetIntField(obj, gRect_topFieldID)), 244 SkIntToScalar(env->GetIntField(obj, gRect_rightFieldID)), 245 SkIntToScalar(env->GetIntField(obj, gRect_bottomFieldID))); 246 return r; 247} 248 249void GraphicsJNI::rect_to_jrectf(const SkRect& r, JNIEnv* env, jobject obj) 250{ 251 SkASSERT(env->IsInstanceOf(obj, gRectF_class)); 252 253 env->SetFloatField(obj, gRectF_leftFieldID, SkScalarToFloat(r.fLeft)); 254 env->SetFloatField(obj, gRectF_topFieldID, SkScalarToFloat(r.fTop)); 255 env->SetFloatField(obj, gRectF_rightFieldID, SkScalarToFloat(r.fRight)); 256 env->SetFloatField(obj, gRectF_bottomFieldID, SkScalarToFloat(r.fBottom)); 257} 258 259SkIPoint* GraphicsJNI::jpoint_to_ipoint(JNIEnv* env, jobject obj, SkIPoint* point) 260{ 261 SkASSERT(env->IsInstanceOf(obj, gPoint_class)); 262 263 point->set(env->GetIntField(obj, gPoint_xFieldID), 264 env->GetIntField(obj, gPoint_yFieldID)); 265 return point; 266} 267 268void GraphicsJNI::ipoint_to_jpoint(const SkIPoint& ir, JNIEnv* env, jobject obj) 269{ 270 SkASSERT(env->IsInstanceOf(obj, gPoint_class)); 271 272 env->SetIntField(obj, gPoint_xFieldID, ir.fX); 273 env->SetIntField(obj, gPoint_yFieldID, ir.fY); 274} 275 276SkPoint* GraphicsJNI::jpointf_to_point(JNIEnv* env, jobject obj, SkPoint* point) 277{ 278 SkASSERT(env->IsInstanceOf(obj, gPointF_class)); 279 280 point->set(env->GetIntField(obj, gPointF_xFieldID), 281 env->GetIntField(obj, gPointF_yFieldID)); 282 return point; 283} 284 285void GraphicsJNI::point_to_jpointf(const SkPoint& r, JNIEnv* env, jobject obj) 286{ 287 SkASSERT(env->IsInstanceOf(obj, gPointF_class)); 288 289 env->SetFloatField(obj, gPointF_xFieldID, SkScalarToFloat(r.fX)); 290 env->SetFloatField(obj, gPointF_yFieldID, SkScalarToFloat(r.fY)); 291} 292 293// This enum must keep these int values, to match the int values 294// in the java Bitmap.Config enum. 295enum LegacyBitmapConfig { 296 kNo_LegacyBitmapConfig = 0, 297 kA8_LegacyBitmapConfig = 1, 298 kIndex8_LegacyBitmapConfig = 2, 299 kRGB_565_LegacyBitmapConfig = 3, 300 kARGB_4444_LegacyBitmapConfig = 4, 301 kARGB_8888_LegacyBitmapConfig = 5, 302 303 kLastEnum_LegacyBitmapConfig = kARGB_8888_LegacyBitmapConfig 304}; 305 306jint GraphicsJNI::colorTypeToLegacyBitmapConfig(SkColorType colorType) { 307 switch (colorType) { 308 case kN32_SkColorType: 309 return kARGB_8888_LegacyBitmapConfig; 310 case kARGB_4444_SkColorType: 311 return kARGB_4444_LegacyBitmapConfig; 312 case kRGB_565_SkColorType: 313 return kRGB_565_LegacyBitmapConfig; 314 case kIndex_8_SkColorType: 315 return kIndex8_LegacyBitmapConfig; 316 case kAlpha_8_SkColorType: 317 return kA8_LegacyBitmapConfig; 318 case kUnknown_SkColorType: 319 default: 320 break; 321 } 322 return kNo_LegacyBitmapConfig; 323} 324 325SkColorType GraphicsJNI::legacyBitmapConfigToColorType(jint legacyConfig) { 326 const uint8_t gConfig2ColorType[] = { 327 kUnknown_SkColorType, 328 kAlpha_8_SkColorType, 329 kIndex_8_SkColorType, 330 kRGB_565_SkColorType, 331 kARGB_4444_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 341android::Bitmap* GraphicsJNI::getBitmap(JNIEnv* env, jobject bitmap) { 342 SkASSERT(env); 343 SkASSERT(bitmap); 344 SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class)); 345 jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr); 346 android::Bitmap* b = reinterpret_cast<android::Bitmap*>(bitmapHandle); 347 SkASSERT(b); 348 return b; 349} 350 351void GraphicsJNI::getSkBitmap(JNIEnv* env, jobject bitmap, SkBitmap* outBitmap) { 352 getBitmap(env, bitmap)->getSkBitmap(outBitmap); 353} 354 355SkPixelRef* GraphicsJNI::refSkPixelRef(JNIEnv* env, jobject bitmap) { 356 return getBitmap(env, bitmap)->refPixelRef(); 357} 358 359SkColorType GraphicsJNI::getNativeBitmapColorType(JNIEnv* env, jobject jconfig) { 360 SkASSERT(env); 361 if (NULL == jconfig) { 362 return kUnknown_SkColorType; 363 } 364 SkASSERT(env->IsInstanceOf(jconfig, gBitmapConfig_class)); 365 int c = env->GetIntField(jconfig, gBitmapConfig_nativeInstanceID); 366 return legacyBitmapConfigToColorType(c); 367} 368 369android::Canvas* GraphicsJNI::getNativeCanvas(JNIEnv* env, jobject canvas) { 370 SkASSERT(env); 371 SkASSERT(canvas); 372 SkASSERT(env->IsInstanceOf(canvas, gCanvas_class)); 373 jlong canvasHandle = env->GetLongField(canvas, gCanvas_nativeInstanceID); 374 if (!canvasHandle) { 375 return NULL; 376 } 377 return reinterpret_cast<android::Canvas*>(canvasHandle); 378} 379 380SkRegion* GraphicsJNI::getNativeRegion(JNIEnv* env, jobject region) 381{ 382 SkASSERT(env); 383 SkASSERT(region); 384 SkASSERT(env->IsInstanceOf(region, gRegion_class)); 385 jlong regionHandle = env->GetLongField(region, gRegion_nativeInstanceID); 386 SkRegion* r = reinterpret_cast<SkRegion*>(regionHandle); 387 SkASSERT(r); 388 return r; 389} 390 391/////////////////////////////////////////////////////////////////////////////////////////// 392 393// Assert that bitmap's SkAlphaType is consistent with isPremultiplied. 394static void assert_premultiplied(const SkImageInfo& info, bool isPremultiplied) { 395 // kOpaque_SkAlphaType and kIgnore_SkAlphaType mean that isPremultiplied is 396 // irrelevant. This just tests to ensure that the SkAlphaType is not 397 // opposite of isPremultiplied. 398 if (isPremultiplied) { 399 SkASSERT(info.alphaType() != kUnpremul_SkAlphaType); 400 } else { 401 SkASSERT(info.alphaType() != kPremul_SkAlphaType); 402 } 403} 404 405jobject GraphicsJNI::createBitmap(JNIEnv* env, android::Bitmap* bitmap, 406 int bitmapCreateFlags, jbyteArray ninePatchChunk, jobject ninePatchInsets, 407 int density) { 408 bool isMutable = bitmapCreateFlags & kBitmapCreateFlag_Mutable; 409 bool isPremultiplied = bitmapCreateFlags & kBitmapCreateFlag_Premultiplied; 410 // The caller needs to have already set the alpha type properly, so the 411 // native SkBitmap stays in sync with the Java Bitmap. 412 assert_premultiplied(bitmap->info(), isPremultiplied); 413 414 jobject obj = env->NewObject(gBitmap_class, gBitmap_constructorMethodID, 415 reinterpret_cast<jlong>(bitmap), bitmap->javaByteArray(), 416 bitmap->width(), bitmap->height(), density, isMutable, isPremultiplied, 417 ninePatchChunk, ninePatchInsets); 418 hasException(env); // For the side effect of logging. 419 return obj; 420} 421 422void GraphicsJNI::reinitBitmap(JNIEnv* env, jobject javaBitmap, const SkImageInfo& info, 423 bool isPremultiplied) 424{ 425 // The caller needs to have already set the alpha type properly, so the 426 // native SkBitmap stays in sync with the Java Bitmap. 427 assert_premultiplied(info, isPremultiplied); 428 429 env->CallVoidMethod(javaBitmap, gBitmap_reinitMethodID, 430 info.width(), info.height(), isPremultiplied); 431} 432 433int GraphicsJNI::getBitmapAllocationByteCount(JNIEnv* env, jobject javaBitmap) 434{ 435 return env->CallIntMethod(javaBitmap, gBitmap_getAllocationByteCountMethodID); 436} 437 438jobject GraphicsJNI::createBitmapRegionDecoder(JNIEnv* env, SkBitmapRegionDecoder* bitmap) 439{ 440 SkASSERT(bitmap != NULL); 441 442 jobject obj = env->NewObject(gBitmapRegionDecoder_class, 443 gBitmapRegionDecoder_constructorMethodID, 444 reinterpret_cast<jlong>(bitmap)); 445 hasException(env); // For the side effect of logging. 446 return obj; 447} 448 449jobject GraphicsJNI::createRegion(JNIEnv* env, SkRegion* region) 450{ 451 SkASSERT(region != NULL); 452 jobject obj = env->NewObject(gRegion_class, gRegion_constructorMethodID, 453 reinterpret_cast<jlong>(region), 0); 454 hasException(env); // For the side effect of logging. 455 return obj; 456} 457 458static JNIEnv* vm2env(JavaVM* vm) 459{ 460 JNIEnv* env = NULL; 461 if (vm->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK || NULL == env) 462 { 463 SkDebugf("------- [%p] vm->GetEnv() failed\n", vm); 464 sk_throw(); 465 } 466 return env; 467} 468 469/////////////////////////////////////////////////////////////////////////////// 470 471static bool computeAllocationSize(const SkBitmap& bitmap, size_t* size) { 472 int32_t rowBytes32 = SkToS32(bitmap.rowBytes()); 473 int64_t bigSize = (int64_t)bitmap.height() * rowBytes32; 474 if (rowBytes32 < 0 || !sk_64_isS32(bigSize)) { 475 return false; // allocation will be too large 476 } 477 478 *size = sk_64_asS32(bigSize); 479 return true; 480} 481 482android::Bitmap* GraphicsJNI::allocateJavaPixelRef(JNIEnv* env, SkBitmap* bitmap, 483 SkColorTable* ctable) { 484 const SkImageInfo& info = bitmap->info(); 485 if (info.fColorType == kUnknown_SkColorType) { 486 doThrowIAE(env, "unknown bitmap configuration"); 487 return NULL; 488 } 489 490 size_t size; 491 if (!computeAllocationSize(*bitmap, &size)) { 492 return NULL; 493 } 494 495 // we must respect the rowBytes value already set on the bitmap instead of 496 // attempting to compute our own. 497 const size_t rowBytes = bitmap->rowBytes(); 498 499 jbyteArray arrayObj = (jbyteArray) env->CallObjectMethod(gVMRuntime, 500 gVMRuntime_newNonMovableArray, 501 gByte_class, size); 502 if (env->ExceptionCheck() != 0) { 503 return NULL; 504 } 505 SkASSERT(arrayObj); 506 jbyte* addr = (jbyte*) env->CallLongMethod(gVMRuntime, gVMRuntime_addressOf, arrayObj); 507 if (env->ExceptionCheck() != 0) { 508 return NULL; 509 } 510 SkASSERT(addr); 511 android::Bitmap* wrapper = new android::Bitmap(env, arrayObj, (void*) addr, 512 info, rowBytes, ctable); 513 wrapper->getSkBitmap(bitmap); 514 // since we're already allocated, we lockPixels right away 515 // HeapAllocator behaves this way too 516 bitmap->lockPixels(); 517 518 return wrapper; 519} 520 521struct AndroidPixelRefContext { 522 int32_t stableID; 523}; 524 525static void allocatePixelsReleaseProc(void* ptr, void* ctx) { 526 AndroidPixelRefContext* context = (AndroidPixelRefContext*)ctx; 527 if (android::uirenderer::Caches::hasInstance()) { 528 android::uirenderer::Caches::getInstance().textureCache.releaseTexture(context->stableID); 529 } 530 531 sk_free(ptr); 532 delete context; 533} 534 535bool GraphicsJNI::allocatePixels(JNIEnv* env, SkBitmap* bitmap, SkColorTable* ctable) { 536 const SkImageInfo& info = bitmap->info(); 537 if (info.fColorType == kUnknown_SkColorType) { 538 doThrowIAE(env, "unknown bitmap configuration"); 539 return NULL; 540 } 541 542 size_t size; 543 if (!computeAllocationSize(*bitmap, &size)) { 544 return false; 545 } 546 547 // we must respect the rowBytes value already set on the bitmap instead of 548 // attempting to compute our own. 549 const size_t rowBytes = bitmap->rowBytes(); 550 551 void* addr = sk_malloc_flags(size, 0); 552 if (NULL == addr) { 553 return false; 554 } 555 556 AndroidPixelRefContext* context = new AndroidPixelRefContext; 557 SkMallocPixelRef* pr = SkMallocPixelRef::NewWithProc(info, rowBytes, ctable, addr, 558 &allocatePixelsReleaseProc, context); 559 if (!pr) { 560 delete context; 561 return false; 562 } 563 564 // set the stableID in the context so that it can be used later in 565 // allocatePixelsReleaseProc to remove the texture from the cache. 566 context->stableID = pr->getStableID(); 567 568 bitmap->setPixelRef(pr)->unref(); 569 // since we're already allocated, we can lockPixels right away 570 bitmap->lockPixels(); 571 572 return true; 573} 574 575/////////////////////////////////////////////////////////////////////////////// 576 577JavaPixelAllocator::JavaPixelAllocator(JNIEnv* env) { 578 LOG_ALWAYS_FATAL_IF(env->GetJavaVM(&mJavaVM) != JNI_OK, 579 "env->GetJavaVM failed"); 580} 581 582JavaPixelAllocator::~JavaPixelAllocator() { 583 if (mStorage) { 584 mStorage->detachFromJava(); 585 } 586} 587 588bool JavaPixelAllocator::allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) { 589 JNIEnv* env = vm2env(mJavaVM); 590 591 mStorage = GraphicsJNI::allocateJavaPixelRef(env, bitmap, ctable); 592 return mStorage != nullptr; 593} 594 595//////////////////////////////////////////////////////////////////////////////// 596 597static jclass make_globalref(JNIEnv* env, const char classname[]) 598{ 599 jclass c = env->FindClass(classname); 600 SkASSERT(c); 601 return (jclass) env->NewGlobalRef(c); 602} 603 604static jfieldID getFieldIDCheck(JNIEnv* env, jclass clazz, 605 const char fieldname[], const char type[]) 606{ 607 jfieldID id = env->GetFieldID(clazz, fieldname, type); 608 SkASSERT(id); 609 return id; 610} 611 612int register_android_graphics_Graphics(JNIEnv* env) 613{ 614 jmethodID m; 615 jclass c; 616 617 gRect_class = make_globalref(env, "android/graphics/Rect"); 618 gRect_leftFieldID = getFieldIDCheck(env, gRect_class, "left", "I"); 619 gRect_topFieldID = getFieldIDCheck(env, gRect_class, "top", "I"); 620 gRect_rightFieldID = getFieldIDCheck(env, gRect_class, "right", "I"); 621 gRect_bottomFieldID = getFieldIDCheck(env, gRect_class, "bottom", "I"); 622 623 gRectF_class = make_globalref(env, "android/graphics/RectF"); 624 gRectF_leftFieldID = getFieldIDCheck(env, gRectF_class, "left", "F"); 625 gRectF_topFieldID = getFieldIDCheck(env, gRectF_class, "top", "F"); 626 gRectF_rightFieldID = getFieldIDCheck(env, gRectF_class, "right", "F"); 627 gRectF_bottomFieldID = getFieldIDCheck(env, gRectF_class, "bottom", "F"); 628 629 gPoint_class = make_globalref(env, "android/graphics/Point"); 630 gPoint_xFieldID = getFieldIDCheck(env, gPoint_class, "x", "I"); 631 gPoint_yFieldID = getFieldIDCheck(env, gPoint_class, "y", "I"); 632 633 gPointF_class = make_globalref(env, "android/graphics/PointF"); 634 gPointF_xFieldID = getFieldIDCheck(env, gPointF_class, "x", "F"); 635 gPointF_yFieldID = getFieldIDCheck(env, gPointF_class, "y", "F"); 636 637 gBitmap_class = make_globalref(env, "android/graphics/Bitmap"); 638 gBitmap_nativePtr = getFieldIDCheck(env, gBitmap_class, "mNativePtr", "J"); 639 gBitmap_constructorMethodID = env->GetMethodID(gBitmap_class, "<init>", "(J[BIIIZZ[BLandroid/graphics/NinePatch$InsetStruct;)V"); 640 gBitmap_reinitMethodID = env->GetMethodID(gBitmap_class, "reinit", "(IIZ)V"); 641 gBitmap_getAllocationByteCountMethodID = env->GetMethodID(gBitmap_class, "getAllocationByteCount", "()I"); 642 gBitmapRegionDecoder_class = make_globalref(env, "android/graphics/BitmapRegionDecoder"); 643 gBitmapRegionDecoder_constructorMethodID = env->GetMethodID(gBitmapRegionDecoder_class, "<init>", "(J)V"); 644 645 gBitmapConfig_class = make_globalref(env, "android/graphics/Bitmap$Config"); 646 gBitmapConfig_nativeInstanceID = getFieldIDCheck(env, gBitmapConfig_class, 647 "nativeInt", "I"); 648 649 gCanvas_class = make_globalref(env, "android/graphics/Canvas"); 650 gCanvas_nativeInstanceID = getFieldIDCheck(env, gCanvas_class, "mNativeCanvasWrapper", "J"); 651 652 gPicture_class = make_globalref(env, "android/graphics/Picture"); 653 gPicture_nativeInstanceID = getFieldIDCheck(env, gPicture_class, "mNativePicture", "J"); 654 655 gRegion_class = make_globalref(env, "android/graphics/Region"); 656 gRegion_nativeInstanceID = getFieldIDCheck(env, gRegion_class, "mNativeRegion", "J"); 657 gRegion_constructorMethodID = env->GetMethodID(gRegion_class, "<init>", 658 "(JI)V"); 659 660 c = env->FindClass("java/lang/Byte"); 661 gByte_class = (jclass) env->NewGlobalRef( 662 env->GetStaticObjectField(c, env->GetStaticFieldID(c, "TYPE", "Ljava/lang/Class;"))); 663 664 gVMRuntime_class = make_globalref(env, "dalvik/system/VMRuntime"); 665 m = env->GetStaticMethodID(gVMRuntime_class, "getRuntime", "()Ldalvik/system/VMRuntime;"); 666 gVMRuntime = env->NewGlobalRef(env->CallStaticObjectMethod(gVMRuntime_class, m)); 667 gVMRuntime_newNonMovableArray = env->GetMethodID(gVMRuntime_class, "newNonMovableArray", 668 "(Ljava/lang/Class;I)Ljava/lang/Object;"); 669 gVMRuntime_addressOf = env->GetMethodID(gVMRuntime_class, "addressOf", "(Ljava/lang/Object;)J"); 670 671 return 0; 672} 673