Bitmap.cpp revision ec4a50428d5f26a22df3edaf7e5b08f41d5cb54b
1#include "SkBitmap.h" 2#include "SkPixelRef.h" 3#include "SkImageEncoder.h" 4#include "SkColorPriv.h" 5#include "GraphicsJNI.h" 6#include "SkDither.h" 7#include "SkUnPreMultiply.h" 8 9#include <binder/Parcel.h> 10#include "android_os_Parcel.h" 11#include "android_util_Binder.h" 12#include "android_nio_utils.h" 13#include "CreateJavaOutputStreamAdaptor.h" 14 15#include <jni.h> 16 17#include <Caches.h> 18 19#if 0 20 #define TRACE_BITMAP(code) code 21#else 22 #define TRACE_BITMAP(code) 23#endif 24 25/////////////////////////////////////////////////////////////////////////////// 26// Conversions to/from SkColor, for get/setPixels, and the create method, which 27// is basically like setPixels 28 29typedef void (*FromColorProc)(void* dst, const SkColor src[], int width, 30 int x, int y); 31 32static void FromColor_D32(void* dst, const SkColor src[], int width, 33 int, int) { 34 SkPMColor* d = (SkPMColor*)dst; 35 36 for (int i = 0; i < width; i++) { 37 *d++ = SkPreMultiplyColor(*src++); 38 } 39} 40 41static void FromColor_D565(void* dst, const SkColor src[], int width, 42 int x, int y) { 43 uint16_t* d = (uint16_t*)dst; 44 45 DITHER_565_SCAN(y); 46 for (int stop = x + width; x < stop; x++) { 47 SkColor c = *src++; 48 *d++ = SkDitherRGBTo565(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c), 49 DITHER_VALUE(x)); 50 } 51} 52 53static void FromColor_D4444(void* dst, const SkColor src[], int width, 54 int x, int y) { 55 SkPMColor16* d = (SkPMColor16*)dst; 56 57 DITHER_4444_SCAN(y); 58 for (int stop = x + width; x < stop; x++) { 59 SkPMColor c = SkPreMultiplyColor(*src++); 60 *d++ = SkDitherARGB32To4444(c, DITHER_VALUE(x)); 61// *d++ = SkPixel32ToPixel4444(c); 62 } 63} 64 65// can return NULL 66static FromColorProc ChooseFromColorProc(SkBitmap::Config config) { 67 switch (config) { 68 case SkBitmap::kARGB_8888_Config: 69 return FromColor_D32; 70 case SkBitmap::kARGB_4444_Config: 71 return FromColor_D4444; 72 case SkBitmap::kRGB_565_Config: 73 return FromColor_D565; 74 default: 75 break; 76 } 77 return NULL; 78} 79 80bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors, 81 int srcOffset, int srcStride, 82 int x, int y, int width, int height, 83 const SkBitmap& dstBitmap) { 84 SkAutoLockPixels alp(dstBitmap); 85 void* dst = dstBitmap.getPixels(); 86 FromColorProc proc = ChooseFromColorProc(dstBitmap.config()); 87 88 if (NULL == dst || NULL == proc) { 89 return false; 90 } 91 92 const jint* array = env->GetIntArrayElements(srcColors, NULL); 93 const SkColor* src = (const SkColor*)array + srcOffset; 94 95 // reset to to actual choice from caller 96 dst = dstBitmap.getAddr(x, y); 97 // now copy/convert each scanline 98 for (int y = 0; y < height; y++) { 99 proc(dst, src, width, x, y); 100 src += srcStride; 101 dst = (char*)dst + dstBitmap.rowBytes(); 102 } 103 104 dstBitmap.notifyPixelsChanged(); 105 106 env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array), 107 JNI_ABORT); 108 return true; 109} 110 111//////////////////// ToColor procs 112 113typedef void (*ToColorProc)(SkColor dst[], const void* src, int width, 114 SkColorTable*); 115 116static void ToColor_S32_Alpha(SkColor dst[], const void* src, int width, 117 SkColorTable*) { 118 SkASSERT(width > 0); 119 const SkPMColor* s = (const SkPMColor*)src; 120 do { 121 *dst++ = SkUnPreMultiply::PMColorToColor(*s++); 122 } while (--width != 0); 123} 124 125static void ToColor_S32_Opaque(SkColor dst[], const void* src, int width, 126 SkColorTable*) { 127 SkASSERT(width > 0); 128 const SkPMColor* s = (const SkPMColor*)src; 129 do { 130 SkPMColor c = *s++; 131 *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), 132 SkGetPackedB32(c)); 133 } while (--width != 0); 134} 135 136static void ToColor_S4444_Alpha(SkColor dst[], const void* src, int width, 137 SkColorTable*) { 138 SkASSERT(width > 0); 139 const SkPMColor16* s = (const SkPMColor16*)src; 140 do { 141 *dst++ = SkUnPreMultiply::PMColorToColor(SkPixel4444ToPixel32(*s++)); 142 } while (--width != 0); 143} 144 145static void ToColor_S4444_Opaque(SkColor dst[], const void* src, int width, 146 SkColorTable*) { 147 SkASSERT(width > 0); 148 const SkPMColor* s = (const SkPMColor*)src; 149 do { 150 SkPMColor c = SkPixel4444ToPixel32(*s++); 151 *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), 152 SkGetPackedB32(c)); 153 } while (--width != 0); 154} 155 156static void ToColor_S565(SkColor dst[], const void* src, int width, 157 SkColorTable*) { 158 SkASSERT(width > 0); 159 const uint16_t* s = (const uint16_t*)src; 160 do { 161 uint16_t c = *s++; 162 *dst++ = SkColorSetRGB(SkPacked16ToR32(c), SkPacked16ToG32(c), 163 SkPacked16ToB32(c)); 164 } while (--width != 0); 165} 166 167static void ToColor_SI8_Alpha(SkColor dst[], const void* src, int width, 168 SkColorTable* ctable) { 169 SkASSERT(width > 0); 170 const uint8_t* s = (const uint8_t*)src; 171 const SkPMColor* colors = ctable->lockColors(); 172 do { 173 *dst++ = SkUnPreMultiply::PMColorToColor(colors[*s++]); 174 } while (--width != 0); 175 ctable->unlockColors(false); 176} 177 178static void ToColor_SI8_Opaque(SkColor dst[], const void* src, int width, 179 SkColorTable* ctable) { 180 SkASSERT(width > 0); 181 const uint8_t* s = (const uint8_t*)src; 182 const SkPMColor* colors = ctable->lockColors(); 183 do { 184 SkPMColor c = colors[*s++]; 185 *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), 186 SkGetPackedB32(c)); 187 } while (--width != 0); 188 ctable->unlockColors(false); 189} 190 191// can return NULL 192static ToColorProc ChooseToColorProc(const SkBitmap& src) { 193 switch (src.config()) { 194 case SkBitmap::kARGB_8888_Config: 195 return src.isOpaque() ? ToColor_S32_Opaque : ToColor_S32_Alpha; 196 case SkBitmap::kARGB_4444_Config: 197 return src.isOpaque() ? ToColor_S4444_Opaque : ToColor_S4444_Alpha; 198 case SkBitmap::kRGB_565_Config: 199 return ToColor_S565; 200 case SkBitmap::kIndex8_Config: 201 if (src.getColorTable() == NULL) { 202 return NULL; 203 } 204 return src.isOpaque() ? ToColor_SI8_Opaque : ToColor_SI8_Alpha; 205 default: 206 break; 207 } 208 return NULL; 209} 210 211/////////////////////////////////////////////////////////////////////////////// 212/////////////////////////////////////////////////////////////////////////////// 213 214static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors, 215 int offset, int stride, int width, int height, 216 SkBitmap::Config config, jboolean isMutable) { 217 if (NULL != jColors) { 218 size_t n = env->GetArrayLength(jColors); 219 if (n < SkAbs32(stride) * (size_t)height) { 220 doThrowAIOOBE(env); 221 return NULL; 222 } 223 } 224 225 SkBitmap bitmap; 226 227 bitmap.setConfig(config, width, height); 228 229 jbyteArray buff = GraphicsJNI::allocateJavaPixelRef(env, &bitmap, NULL); 230 if (NULL == buff) { 231 return NULL; 232 } 233 234 if (jColors != NULL) { 235 GraphicsJNI::SetPixels(env, jColors, offset, stride, 236 0, 0, width, height, bitmap); 237 } 238 239 return GraphicsJNI::createBitmap(env, new SkBitmap(bitmap), buff, isMutable, NULL, NULL); 240} 241 242static jobject Bitmap_copy(JNIEnv* env, jobject, const SkBitmap* src, 243 SkBitmap::Config dstConfig, jboolean isMutable) { 244 SkBitmap result; 245 JavaPixelAllocator allocator(env); 246 247 if (!src->copyTo(&result, dstConfig, &allocator)) { 248 return NULL; 249 } 250 251 return GraphicsJNI::createBitmap(env, new SkBitmap(result), allocator.getStorageObj(), isMutable, NULL, NULL); 252} 253 254static void Bitmap_destructor(JNIEnv* env, jobject, SkBitmap* bitmap) { 255#ifdef USE_OPENGL_RENDERER 256 if (android::uirenderer::Caches::hasInstance()) { 257 android::uirenderer::Caches::getInstance().resourceCache.destructor(bitmap); 258 return; 259 } 260#endif // USE_OPENGL_RENDERER 261 delete bitmap; 262} 263 264static void Bitmap_recycle(JNIEnv* env, jobject, SkBitmap* bitmap) { 265#ifdef USE_OPENGL_RENDERER 266 if (android::uirenderer::Caches::hasInstance()) { 267 android::uirenderer::Caches::getInstance().resourceCache.recycle(bitmap); 268 return; 269 } 270#endif // USE_OPENGL_RENDERER 271 bitmap->setPixels(NULL, NULL); 272} 273 274// These must match the int values in Bitmap.java 275enum JavaEncodeFormat { 276 kJPEG_JavaEncodeFormat = 0, 277 kPNG_JavaEncodeFormat = 1, 278 kWEBP_JavaEncodeFormat = 2 279}; 280 281static bool Bitmap_compress(JNIEnv* env, jobject clazz, SkBitmap* bitmap, 282 int format, int quality, 283 jobject jstream, jbyteArray jstorage) { 284 SkImageEncoder::Type fm; 285 286 switch (format) { 287 case kJPEG_JavaEncodeFormat: 288 fm = SkImageEncoder::kJPEG_Type; 289 break; 290 case kPNG_JavaEncodeFormat: 291 fm = SkImageEncoder::kPNG_Type; 292 break; 293 case kWEBP_JavaEncodeFormat: 294 fm = SkImageEncoder::kWEBP_Type; 295 break; 296 default: 297 return false; 298 } 299 300 bool success = false; 301 SkWStream* strm = CreateJavaOutputStreamAdaptor(env, jstream, jstorage); 302 if (NULL != strm) { 303 SkImageEncoder* encoder = SkImageEncoder::Create(fm); 304 if (NULL != encoder) { 305 success = encoder->encodeStream(strm, *bitmap, quality); 306 delete encoder; 307 } 308 delete strm; 309 } 310 return success; 311} 312 313static void Bitmap_erase(JNIEnv* env, jobject, SkBitmap* bitmap, jint color) { 314 bitmap->eraseColor(color); 315} 316 317static int Bitmap_width(JNIEnv* env, jobject, SkBitmap* bitmap) { 318 return bitmap->width(); 319} 320 321static int Bitmap_height(JNIEnv* env, jobject, SkBitmap* bitmap) { 322 return bitmap->height(); 323} 324 325static int Bitmap_rowBytes(JNIEnv* env, jobject, SkBitmap* bitmap) { 326 return bitmap->rowBytes(); 327} 328 329static int Bitmap_config(JNIEnv* env, jobject, SkBitmap* bitmap) { 330 return bitmap->config(); 331} 332 333static int Bitmap_getGenerationId(JNIEnv* env, jobject, SkBitmap* bitmap) { 334 return bitmap->getGenerationID(); 335} 336 337static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, SkBitmap* bitmap) { 338 return !bitmap->isOpaque(); 339} 340 341static void Bitmap_setHasAlpha(JNIEnv* env, jobject, SkBitmap* bitmap, 342 jboolean hasAlpha) { 343 bitmap->setIsOpaque(!hasAlpha); 344} 345 346/////////////////////////////////////////////////////////////////////////////// 347 348static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) { 349 if (parcel == NULL) { 350 SkDebugf("-------- unparcel parcel is NULL\n"); 351 return NULL; 352 } 353 354 android::Parcel* p = android::parcelForJavaObject(env, parcel); 355 356 const bool isMutable = p->readInt32() != 0; 357 const SkBitmap::Config config = (SkBitmap::Config)p->readInt32(); 358 const int width = p->readInt32(); 359 const int height = p->readInt32(); 360 const int rowBytes = p->readInt32(); 361 const int density = p->readInt32(); 362 363 if (SkBitmap::kARGB_8888_Config != config && 364 SkBitmap::kRGB_565_Config != config && 365 SkBitmap::kARGB_4444_Config != config && 366 SkBitmap::kIndex8_Config != config && 367 SkBitmap::kA8_Config != config) { 368 SkDebugf("Bitmap_createFromParcel unknown config: %d\n", config); 369 return NULL; 370 } 371 372 SkBitmap* bitmap = new SkBitmap; 373 374 bitmap->setConfig(config, width, height, rowBytes); 375 376 SkColorTable* ctable = NULL; 377 if (config == SkBitmap::kIndex8_Config) { 378 int count = p->readInt32(); 379 if (count > 0) { 380 size_t size = count * sizeof(SkPMColor); 381 const SkPMColor* src = (const SkPMColor*)p->readInplace(size); 382 ctable = new SkColorTable(src, count); 383 } 384 } 385 386 jbyteArray buffer = GraphicsJNI::allocateJavaPixelRef(env, bitmap, ctable); 387 if (NULL == buffer) { 388 SkSafeUnref(ctable); 389 delete bitmap; 390 return NULL; 391 } 392 393 SkSafeUnref(ctable); 394 395 size_t size = bitmap->getSize(); 396 397 android::Parcel::ReadableBlob blob; 398 android::status_t status = p->readBlob(size, &blob); 399 if (status) { 400 doThrowRE(env, "Could not read bitmap from parcel blob."); 401 delete bitmap; 402 return NULL; 403 } 404 405 bitmap->lockPixels(); 406 memcpy(bitmap->getPixels(), blob.data(), size); 407 bitmap->unlockPixels(); 408 409 blob.release(); 410 return GraphicsJNI::createBitmap(env, bitmap, buffer, isMutable, NULL, NULL, density); 411} 412 413static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject, 414 const SkBitmap* bitmap, 415 jboolean isMutable, jint density, 416 jobject parcel) { 417 if (parcel == NULL) { 418 SkDebugf("------- writeToParcel null parcel\n"); 419 return false; 420 } 421 422 android::Parcel* p = android::parcelForJavaObject(env, parcel); 423 424 p->writeInt32(isMutable); 425 p->writeInt32(bitmap->config()); 426 p->writeInt32(bitmap->width()); 427 p->writeInt32(bitmap->height()); 428 p->writeInt32(bitmap->rowBytes()); 429 p->writeInt32(density); 430 431 if (bitmap->getConfig() == SkBitmap::kIndex8_Config) { 432 SkColorTable* ctable = bitmap->getColorTable(); 433 if (ctable != NULL) { 434 int count = ctable->count(); 435 p->writeInt32(count); 436 memcpy(p->writeInplace(count * sizeof(SkPMColor)), 437 ctable->lockColors(), count * sizeof(SkPMColor)); 438 ctable->unlockColors(false); 439 } else { 440 p->writeInt32(0); // indicate no ctable 441 } 442 } 443 444 size_t size = bitmap->getSize(); 445 446 android::Parcel::WritableBlob blob; 447 android::status_t status = p->writeBlob(size, &blob); 448 if (status) { 449 doThrowRE(env, "Could not write bitmap to parcel blob."); 450 return false; 451 } 452 453 bitmap->lockPixels(); 454 const void* pSrc = bitmap->getPixels(); 455 if (pSrc == NULL) { 456 memset(blob.data(), 0, size); 457 } else { 458 memcpy(blob.data(), pSrc, size); 459 } 460 bitmap->unlockPixels(); 461 462 blob.release(); 463 return true; 464} 465 466static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz, 467 const SkBitmap* src, const SkPaint* paint, 468 jintArray offsetXY) { 469 SkIPoint offset; 470 SkBitmap* dst = new SkBitmap; 471 JavaPixelAllocator allocator(env); 472 473 src->extractAlpha(dst, paint, &allocator, &offset); 474 // If Skia can't allocate pixels for destination bitmap, it resets 475 // it, that is set its pixels buffer to NULL, and zero width and height. 476 if (dst->getPixels() == NULL && src->getPixels() != NULL) { 477 delete dst; 478 doThrowOOME(env, "failed to allocate pixels for alpha"); 479 return NULL; 480 } 481 if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) { 482 int* array = env->GetIntArrayElements(offsetXY, NULL); 483 array[0] = offset.fX; 484 array[1] = offset.fY; 485 env->ReleaseIntArrayElements(offsetXY, array, 0); 486 } 487 488 return GraphicsJNI::createBitmap(env, dst, allocator.getStorageObj(), true, NULL, NULL); 489} 490 491/////////////////////////////////////////////////////////////////////////////// 492 493static int Bitmap_getPixel(JNIEnv* env, jobject, const SkBitmap* bitmap, 494 int x, int y) { 495 SkAutoLockPixels alp(*bitmap); 496 497 ToColorProc proc = ChooseToColorProc(*bitmap); 498 if (NULL == proc) { 499 return 0; 500 } 501 const void* src = bitmap->getAddr(x, y); 502 if (NULL == src) { 503 return 0; 504 } 505 506 SkColor dst[1]; 507 proc(dst, src, 1, bitmap->getColorTable()); 508 return dst[0]; 509} 510 511static void Bitmap_getPixels(JNIEnv* env, jobject, const SkBitmap* bitmap, 512 jintArray pixelArray, int offset, int stride, 513 int x, int y, int width, int height) { 514 SkAutoLockPixels alp(*bitmap); 515 516 ToColorProc proc = ChooseToColorProc(*bitmap); 517 if (NULL == proc) { 518 return; 519 } 520 const void* src = bitmap->getAddr(x, y); 521 if (NULL == src) { 522 return; 523 } 524 525 SkColorTable* ctable = bitmap->getColorTable(); 526 jint* dst = env->GetIntArrayElements(pixelArray, NULL); 527 SkColor* d = (SkColor*)dst + offset; 528 while (--height >= 0) { 529 proc(d, src, width, ctable); 530 d += stride; 531 src = (void*)((const char*)src + bitmap->rowBytes()); 532 } 533 env->ReleaseIntArrayElements(pixelArray, dst, 0); 534} 535 536/////////////////////////////////////////////////////////////////////////////// 537 538static void Bitmap_setPixel(JNIEnv* env, jobject, const SkBitmap* bitmap, 539 int x, int y, SkColor color) { 540 SkAutoLockPixels alp(*bitmap); 541 if (NULL == bitmap->getPixels()) { 542 return; 543 } 544 545 FromColorProc proc = ChooseFromColorProc(bitmap->config()); 546 if (NULL == proc) { 547 return; 548 } 549 550 proc(bitmap->getAddr(x, y), &color, 1, x, y); 551 bitmap->notifyPixelsChanged(); 552} 553 554static void Bitmap_setPixels(JNIEnv* env, jobject, const SkBitmap* bitmap, 555 jintArray pixelArray, int offset, int stride, 556 int x, int y, int width, int height) { 557 GraphicsJNI::SetPixels(env, pixelArray, offset, stride, 558 x, y, width, height, *bitmap); 559} 560 561static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject, 562 const SkBitmap* bitmap, jobject jbuffer) { 563 SkAutoLockPixels alp(*bitmap); 564 const void* src = bitmap->getPixels(); 565 566 if (NULL != src) { 567 android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE); 568 569 // the java side has already checked that buffer is large enough 570 memcpy(abp.pointer(), src, bitmap->getSize()); 571 } 572} 573 574static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject, 575 const SkBitmap* bitmap, jobject jbuffer) { 576 SkAutoLockPixels alp(*bitmap); 577 void* dst = bitmap->getPixels(); 578 579 if (NULL != dst) { 580 android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE); 581 // the java side has already checked that buffer is large enough 582 memcpy(dst, abp.pointer(), bitmap->getSize()); 583 bitmap->notifyPixelsChanged(); 584 } 585} 586 587static bool Bitmap_sameAs(JNIEnv* env, jobject, const SkBitmap* bm0, 588 const SkBitmap* bm1) { 589 if (bm0->width() != bm1->width() || 590 bm0->height() != bm1->height() || 591 bm0->config() != bm1->config()) { 592 return false; 593 } 594 595 SkAutoLockPixels alp0(*bm0); 596 SkAutoLockPixels alp1(*bm1); 597 598 // if we can't load the pixels, return false 599 if (NULL == bm0->getPixels() || NULL == bm1->getPixels()) { 600 return false; 601 } 602 603 if (bm0->config() == SkBitmap::kIndex8_Config) { 604 SkColorTable* ct0 = bm0->getColorTable(); 605 SkColorTable* ct1 = bm1->getColorTable(); 606 if (NULL == ct0 || NULL == ct1) { 607 return false; 608 } 609 if (ct0->count() != ct1->count()) { 610 return false; 611 } 612 613 SkAutoLockColors alc0(ct0); 614 SkAutoLockColors alc1(ct1); 615 const size_t size = ct0->count() * sizeof(SkPMColor); 616 if (memcmp(alc0.colors(), alc1.colors(), size) != 0) { 617 return false; 618 } 619 } 620 621 // now compare each scanline. We can't do the entire buffer at once, 622 // since we don't care about the pixel values that might extend beyond 623 // the width (since the scanline might be larger than the logical width) 624 const int h = bm0->height(); 625 const size_t size = bm0->width() * bm0->bytesPerPixel(); 626 for (int y = 0; y < h; y++) { 627 if (memcmp(bm0->getAddr(0, y), bm1->getAddr(0, y), size) != 0) { 628 return false; 629 } 630 } 631 return true; 632} 633 634static void Bitmap_prepareToDraw(JNIEnv* env, jobject, SkBitmap* bitmap) { 635 bitmap->lockPixels(); 636 bitmap->unlockPixels(); 637} 638 639/////////////////////////////////////////////////////////////////////////////// 640 641#include <android_runtime/AndroidRuntime.h> 642 643static JNINativeMethod gBitmapMethods[] = { 644 { "nativeCreate", "([IIIIIIZ)Landroid/graphics/Bitmap;", 645 (void*)Bitmap_creator }, 646 { "nativeCopy", "(IIZ)Landroid/graphics/Bitmap;", 647 (void*)Bitmap_copy }, 648 { "nativeDestructor", "(I)V", (void*)Bitmap_destructor }, 649 { "nativeRecycle", "(I)V", (void*)Bitmap_recycle }, 650 { "nativeCompress", "(IIILjava/io/OutputStream;[B)Z", 651 (void*)Bitmap_compress }, 652 { "nativeErase", "(II)V", (void*)Bitmap_erase }, 653 { "nativeWidth", "(I)I", (void*)Bitmap_width }, 654 { "nativeHeight", "(I)I", (void*)Bitmap_height }, 655 { "nativeRowBytes", "(I)I", (void*)Bitmap_rowBytes }, 656 { "nativeConfig", "(I)I", (void*)Bitmap_config }, 657 { "nativeHasAlpha", "(I)Z", (void*)Bitmap_hasAlpha }, 658 { "nativeSetHasAlpha", "(IZ)V", (void*)Bitmap_setHasAlpha }, 659 { "nativeCreateFromParcel", 660 "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;", 661 (void*)Bitmap_createFromParcel }, 662 { "nativeWriteToParcel", "(IZILandroid/os/Parcel;)Z", 663 (void*)Bitmap_writeToParcel }, 664 { "nativeExtractAlpha", "(II[I)Landroid/graphics/Bitmap;", 665 (void*)Bitmap_extractAlpha }, 666 { "nativeGenerationId", "(I)I", (void*)Bitmap_getGenerationId }, 667 { "nativeGetPixel", "(III)I", (void*)Bitmap_getPixel }, 668 { "nativeGetPixels", "(I[IIIIIII)V", (void*)Bitmap_getPixels }, 669 { "nativeSetPixel", "(IIII)V", (void*)Bitmap_setPixel }, 670 { "nativeSetPixels", "(I[IIIIIII)V", (void*)Bitmap_setPixels }, 671 { "nativeCopyPixelsToBuffer", "(ILjava/nio/Buffer;)V", 672 (void*)Bitmap_copyPixelsToBuffer }, 673 { "nativeCopyPixelsFromBuffer", "(ILjava/nio/Buffer;)V", 674 (void*)Bitmap_copyPixelsFromBuffer }, 675 { "nativeSameAs", "(II)Z", (void*)Bitmap_sameAs }, 676 { "nativePrepareToDraw", "(I)V", (void*)Bitmap_prepareToDraw }, 677}; 678 679#define kClassPathName "android/graphics/Bitmap" 680 681int register_android_graphics_Bitmap(JNIEnv* env) 682{ 683 return android::AndroidRuntime::registerNativeMethods(env, kClassPathName, 684 gBitmapMethods, SK_ARRAY_COUNT(gBitmapMethods)); 685} 686