Bitmap.cpp revision 21986f2ae73e9ae3395a37dd3976af55e75d4f9d
1#define LOG_TAG "Bitmap" 2#include "Bitmap.h" 3 4#include "SkBitmap.h" 5#include "SkPixelRef.h" 6#include "SkImageEncoder.h" 7#include "SkImageInfo.h" 8#include "SkColorPriv.h" 9#include "GraphicsJNI.h" 10#include "SkDither.h" 11#include "SkUnPreMultiply.h" 12#include "SkStream.h" 13 14#include <binder/Parcel.h> 15#include "android_os_Parcel.h" 16#include "android_util_Binder.h" 17#include "android_nio_utils.h" 18#include "CreateJavaOutputStreamAdaptor.h" 19#include <hwui/Paint.h> 20#include <hwui/PixelRef.h> 21#include <renderthread/RenderProxy.h> 22 23#include "core_jni_helpers.h" 24 25#include <jni.h> 26#include <memory> 27#include <string> 28 29#define DEBUG_PARCEL 0 30#define ASHMEM_BITMAP_MIN_SIZE (128 * (1 << 10)) 31 32static jclass gBitmap_class; 33static jfieldID gBitmap_nativePtr; 34static jmethodID gBitmap_constructorMethodID; 35static jmethodID gBitmap_reinitMethodID; 36static jmethodID gBitmap_getAllocationByteCountMethodID; 37 38namespace android { 39 40class Bitmap { 41public: 42 Bitmap(PixelRef* pixelRef) 43 : mPixelRef(pixelRef) { } 44 45 void freePixels() { 46 mInfo = mPixelRef->info(); 47 mHasHardwareMipMap = mPixelRef->hasHardwareMipMap(); 48 mAllocationSize = mPixelRef->getAllocationByteCount(); 49 mRowBytes = mPixelRef->rowBytes(); 50 mGenerationId = mPixelRef->getGenerationID(); 51 mPixelRef.reset(); 52 } 53 54 bool valid() { 55 return !!mPixelRef; 56 } 57 58 PixelRef* pixelRef() { return mPixelRef.get(); } 59 60 void assertValid() { 61 LOG_ALWAYS_FATAL_IF(!valid(), "Error, cannot access an invalid/free'd bitmap here!"); 62 } 63 64 void getSkBitmap(SkBitmap* outBitmap) { 65 assertValid(); 66 mPixelRef->getSkBitmap(outBitmap); 67 } 68 69 bool hasHardwareMipMap() { 70 if (mPixelRef) { 71 return mPixelRef->hasHardwareMipMap(); 72 } 73 return mHasHardwareMipMap; 74 } 75 76 void setHasHardwareMipMap(bool hasMipMap) { 77 assertValid(); 78 mPixelRef->setHasHardwareMipMap(hasMipMap); 79 } 80 81 void setAlphaType(SkAlphaType alphaType) { 82 assertValid(); 83 mPixelRef->setAlphaType(alphaType); 84 } 85 86 const SkImageInfo& info() { 87 if (mPixelRef) { 88 return mPixelRef->info(); 89 } 90 return mInfo; 91 } 92 93 size_t getAllocationByteCount() const { 94 if (mPixelRef) { 95 return mPixelRef->getAllocationByteCount(); 96 } 97 return mAllocationSize; 98 } 99 100 size_t rowBytes() const { 101 if (mPixelRef) { 102 return mPixelRef->rowBytes(); 103 } 104 return mRowBytes; 105 } 106 107 uint32_t getGenerationID() const { 108 if (mPixelRef) { 109 return mPixelRef->getGenerationID(); 110 } 111 return mGenerationId; 112 } 113 114 ~Bitmap() { } 115 116private: 117 sk_sp<PixelRef> mPixelRef; 118 SkImageInfo mInfo; 119 bool mHasHardwareMipMap; 120 size_t mAllocationSize; 121 size_t mRowBytes; 122 uint32_t mGenerationId; 123}; 124 125// Convenience class that does not take a global ref on the pixels, relying 126// on the caller already having a local JNI ref 127class LocalScopedBitmap { 128public: 129 explicit LocalScopedBitmap(jlong bitmapHandle) 130 : mBitmap(reinterpret_cast<Bitmap*>(bitmapHandle)) {} 131 132 Bitmap* operator->() { 133 return mBitmap; 134 } 135 136 void* pixels() { 137 return mBitmap->pixelRef()->pixels(); 138 } 139 140 bool valid() { 141 return mBitmap && mBitmap->valid(); 142 } 143 144private: 145 Bitmap* mBitmap; 146}; 147 148namespace bitmap { 149 150// Assert that bitmap's SkAlphaType is consistent with isPremultiplied. 151static void assert_premultiplied(const SkImageInfo& info, bool isPremultiplied) { 152 // kOpaque_SkAlphaType and kIgnore_SkAlphaType mean that isPremultiplied is 153 // irrelevant. This just tests to ensure that the SkAlphaType is not 154 // opposite of isPremultiplied. 155 if (isPremultiplied) { 156 SkASSERT(info.alphaType() != kUnpremul_SkAlphaType); 157 } else { 158 SkASSERT(info.alphaType() != kPremul_SkAlphaType); 159 } 160} 161 162void reinitBitmap(JNIEnv* env, jobject javaBitmap, const SkImageInfo& info, 163 bool isPremultiplied) 164{ 165 // The caller needs to have already set the alpha type properly, so the 166 // native SkBitmap stays in sync with the Java Bitmap. 167 assert_premultiplied(info, isPremultiplied); 168 169 env->CallVoidMethod(javaBitmap, gBitmap_reinitMethodID, 170 info.width(), info.height(), isPremultiplied); 171} 172 173int getBitmapAllocationByteCount(JNIEnv* env, jobject javaBitmap) 174{ 175 return env->CallIntMethod(javaBitmap, gBitmap_getAllocationByteCountMethodID); 176} 177 178jobject createBitmap(JNIEnv* env, PixelRef* pixelRef, 179 int bitmapCreateFlags, jbyteArray ninePatchChunk, jobject ninePatchInsets, 180 int density) { 181 bool isMutable = bitmapCreateFlags & kBitmapCreateFlag_Mutable; 182 bool isPremultiplied = bitmapCreateFlags & kBitmapCreateFlag_Premultiplied; 183 // The caller needs to have already set the alpha type properly, so the 184 // native SkBitmap stays in sync with the Java Bitmap. 185 assert_premultiplied(pixelRef->info(), isPremultiplied); 186 Bitmap* bitmap = new Bitmap(pixelRef); 187 jobject obj = env->NewObject(gBitmap_class, gBitmap_constructorMethodID, 188 reinterpret_cast<jlong>(bitmap), pixelRef->width(), pixelRef->height(), density, isMutable, 189 isPremultiplied, ninePatchChunk, ninePatchInsets); 190 191 if (env->ExceptionCheck() != 0) { 192 ALOGE("*** Uncaught exception returned from Java call!\n"); 193 env->ExceptionDescribe(); 194 } 195 return obj; 196} 197 198void toSkBitmap(jlong bitmapHandle, SkBitmap* outBitmap) { 199 LocalScopedBitmap bitmap(bitmapHandle); 200 bitmap->getSkBitmap(outBitmap); 201} 202 203PixelRef* toPixelRef(JNIEnv* env, jobject bitmap) { 204 SkASSERT(env); 205 SkASSERT(bitmap); 206 SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class)); 207 jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr); 208 LocalScopedBitmap localBitmap(bitmapHandle); 209 localBitmap->assertValid(); 210 return localBitmap->pixelRef(); 211} 212 213} // namespace bitmap 214 215} // namespace android 216 217using namespace android; 218using namespace android::bitmap; 219 220/////////////////////////////////////////////////////////////////////////////// 221// Conversions to/from SkColor, for get/setPixels, and the create method, which 222// is basically like setPixels 223 224typedef void (*FromColorProc)(void* dst, const SkColor src[], int width, 225 int x, int y); 226 227static void FromColor_D32(void* dst, const SkColor src[], int width, 228 int, int) { 229 SkPMColor* d = (SkPMColor*)dst; 230 231 for (int i = 0; i < width; i++) { 232 *d++ = SkPreMultiplyColor(*src++); 233 } 234} 235 236static void FromColor_D32_Raw(void* dst, const SkColor src[], int width, 237 int, int) { 238 // Needed to thwart the unreachable code detection from clang. 239 static const bool sk_color_ne_zero = SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER; 240 241 // SkColor's ordering may be different from SkPMColor 242 if (sk_color_ne_zero) { 243 memcpy(dst, src, width * sizeof(SkColor)); 244 return; 245 } 246 247 // order isn't same, repack each pixel manually 248 SkPMColor* d = (SkPMColor*)dst; 249 for (int i = 0; i < width; i++) { 250 SkColor c = *src++; 251 *d++ = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), 252 SkColorGetG(c), SkColorGetB(c)); 253 } 254} 255 256static void FromColor_D565(void* dst, const SkColor src[], int width, 257 int x, int y) { 258 uint16_t* d = (uint16_t*)dst; 259 260 DITHER_565_SCAN(y); 261 for (int stop = x + width; x < stop; x++) { 262 SkColor c = *src++; 263 *d++ = SkDitherRGBTo565(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c), 264 DITHER_VALUE(x)); 265 } 266} 267 268static void FromColor_D4444(void* dst, const SkColor src[], int width, 269 int x, int y) { 270 SkPMColor16* d = (SkPMColor16*)dst; 271 272 DITHER_4444_SCAN(y); 273 for (int stop = x + width; x < stop; x++) { 274 SkPMColor pmc = SkPreMultiplyColor(*src++); 275 *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); 276// *d++ = SkPixel32ToPixel4444(pmc); 277 } 278} 279 280static void FromColor_D4444_Raw(void* dst, const SkColor src[], int width, 281 int x, int y) { 282 SkPMColor16* d = (SkPMColor16*)dst; 283 284 DITHER_4444_SCAN(y); 285 for (int stop = x + width; x < stop; x++) { 286 SkColor c = *src++; 287 288 // SkPMColor is used because the ordering is ARGB32, even though the target actually premultiplied 289 SkPMColor pmc = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), 290 SkColorGetG(c), SkColorGetB(c)); 291 *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); 292// *d++ = SkPixel32ToPixel4444(pmc); 293 } 294} 295 296static void FromColor_DA8(void* dst, const SkColor src[], int width, int x, int y) { 297 uint8_t* d = (uint8_t*)dst; 298 299 for (int stop = x + width; x < stop; x++) { 300 *d++ = SkColorGetA(*src++); 301 } 302} 303 304// can return NULL 305static FromColorProc ChooseFromColorProc(const SkBitmap& bitmap) { 306 switch (bitmap.colorType()) { 307 case kN32_SkColorType: 308 return bitmap.alphaType() == kPremul_SkAlphaType ? FromColor_D32 : FromColor_D32_Raw; 309 case kARGB_4444_SkColorType: 310 return bitmap.alphaType() == kPremul_SkAlphaType ? FromColor_D4444 : 311 FromColor_D4444_Raw; 312 case kRGB_565_SkColorType: 313 return FromColor_D565; 314 case kAlpha_8_SkColorType: 315 return FromColor_DA8; 316 default: 317 break; 318 } 319 return NULL; 320} 321 322bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors, int srcOffset, int srcStride, 323 int x, int y, int width, int height, const SkBitmap& dstBitmap) { 324 SkAutoLockPixels alp(dstBitmap); 325 void* dst = dstBitmap.getPixels(); 326 FromColorProc proc = ChooseFromColorProc(dstBitmap); 327 328 if (NULL == dst || NULL == proc) { 329 return false; 330 } 331 332 const jint* array = env->GetIntArrayElements(srcColors, NULL); 333 const SkColor* src = (const SkColor*)array + srcOffset; 334 335 // reset to to actual choice from caller 336 dst = dstBitmap.getAddr(x, y); 337 // now copy/convert each scanline 338 for (int y = 0; y < height; y++) { 339 proc(dst, src, width, x, y); 340 src += srcStride; 341 dst = (char*)dst + dstBitmap.rowBytes(); 342 } 343 344 dstBitmap.notifyPixelsChanged(); 345 346 env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array), 347 JNI_ABORT); 348 return true; 349} 350 351//////////////////// ToColor procs 352 353typedef void (*ToColorProc)(SkColor dst[], const void* src, int width, 354 SkColorTable*); 355 356static void ToColor_S32_Alpha(SkColor dst[], const void* src, int width, 357 SkColorTable*) { 358 SkASSERT(width > 0); 359 const SkPMColor* s = (const SkPMColor*)src; 360 do { 361 *dst++ = SkUnPreMultiply::PMColorToColor(*s++); 362 } while (--width != 0); 363} 364 365static void ToColor_S32_Raw(SkColor dst[], const void* src, int width, 366 SkColorTable*) { 367 SkASSERT(width > 0); 368 const SkPMColor* s = (const SkPMColor*)src; 369 do { 370 SkPMColor c = *s++; 371 *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), 372 SkGetPackedG32(c), SkGetPackedB32(c)); 373 } while (--width != 0); 374} 375 376static void ToColor_S32_Opaque(SkColor dst[], const void* src, int width, 377 SkColorTable*) { 378 SkASSERT(width > 0); 379 const SkPMColor* s = (const SkPMColor*)src; 380 do { 381 SkPMColor c = *s++; 382 *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), 383 SkGetPackedB32(c)); 384 } while (--width != 0); 385} 386 387static void ToColor_S4444_Alpha(SkColor dst[], const void* src, int width, 388 SkColorTable*) { 389 SkASSERT(width > 0); 390 const SkPMColor16* s = (const SkPMColor16*)src; 391 do { 392 *dst++ = SkUnPreMultiply::PMColorToColor(SkPixel4444ToPixel32(*s++)); 393 } while (--width != 0); 394} 395 396static void ToColor_S4444_Raw(SkColor dst[], const void* src, int width, 397 SkColorTable*) { 398 SkASSERT(width > 0); 399 const SkPMColor16* s = (const SkPMColor16*)src; 400 do { 401 SkPMColor c = SkPixel4444ToPixel32(*s++); 402 *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), 403 SkGetPackedG32(c), SkGetPackedB32(c)); 404 } while (--width != 0); 405} 406 407static void ToColor_S4444_Opaque(SkColor dst[], const void* src, int width, 408 SkColorTable*) { 409 SkASSERT(width > 0); 410 const SkPMColor16* s = (const SkPMColor16*)src; 411 do { 412 SkPMColor c = SkPixel4444ToPixel32(*s++); 413 *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), 414 SkGetPackedB32(c)); 415 } while (--width != 0); 416} 417 418static void ToColor_S565(SkColor dst[], const void* src, int width, 419 SkColorTable*) { 420 SkASSERT(width > 0); 421 const uint16_t* s = (const uint16_t*)src; 422 do { 423 uint16_t c = *s++; 424 *dst++ = SkColorSetRGB(SkPacked16ToR32(c), SkPacked16ToG32(c), 425 SkPacked16ToB32(c)); 426 } while (--width != 0); 427} 428 429static void ToColor_SI8_Alpha(SkColor dst[], const void* src, int width, 430 SkColorTable* ctable) { 431 SkASSERT(width > 0); 432 const uint8_t* s = (const uint8_t*)src; 433 const SkPMColor* colors = ctable->readColors(); 434 do { 435 *dst++ = SkUnPreMultiply::PMColorToColor(colors[*s++]); 436 } while (--width != 0); 437} 438 439static void ToColor_SI8_Raw(SkColor dst[], const void* src, int width, 440 SkColorTable* ctable) { 441 SkASSERT(width > 0); 442 const uint8_t* s = (const uint8_t*)src; 443 const SkPMColor* colors = ctable->readColors(); 444 do { 445 SkPMColor c = colors[*s++]; 446 *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), 447 SkGetPackedG32(c), SkGetPackedB32(c)); 448 } while (--width != 0); 449} 450 451static void ToColor_SI8_Opaque(SkColor dst[], const void* src, int width, 452 SkColorTable* ctable) { 453 SkASSERT(width > 0); 454 const uint8_t* s = (const uint8_t*)src; 455 const SkPMColor* colors = ctable->readColors(); 456 do { 457 SkPMColor c = colors[*s++]; 458 *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), 459 SkGetPackedB32(c)); 460 } while (--width != 0); 461} 462 463static void ToColor_SA8(SkColor dst[], const void* src, int width, SkColorTable*) { 464 SkASSERT(width > 0); 465 const uint8_t* s = (const uint8_t*)src; 466 do { 467 uint8_t c = *s++; 468 *dst++ = SkColorSetARGB(c, c, c, c); 469 } while (--width != 0); 470} 471 472// can return NULL 473static ToColorProc ChooseToColorProc(const SkBitmap& src) { 474 switch (src.colorType()) { 475 case kN32_SkColorType: 476 switch (src.alphaType()) { 477 case kOpaque_SkAlphaType: 478 return ToColor_S32_Opaque; 479 case kPremul_SkAlphaType: 480 return ToColor_S32_Alpha; 481 case kUnpremul_SkAlphaType: 482 return ToColor_S32_Raw; 483 default: 484 return NULL; 485 } 486 case kARGB_4444_SkColorType: 487 switch (src.alphaType()) { 488 case kOpaque_SkAlphaType: 489 return ToColor_S4444_Opaque; 490 case kPremul_SkAlphaType: 491 return ToColor_S4444_Alpha; 492 case kUnpremul_SkAlphaType: 493 return ToColor_S4444_Raw; 494 default: 495 return NULL; 496 } 497 case kRGB_565_SkColorType: 498 return ToColor_S565; 499 case kIndex_8_SkColorType: 500 if (src.getColorTable() == NULL) { 501 return NULL; 502 } 503 switch (src.alphaType()) { 504 case kOpaque_SkAlphaType: 505 return ToColor_SI8_Opaque; 506 case kPremul_SkAlphaType: 507 return ToColor_SI8_Alpha; 508 case kUnpremul_SkAlphaType: 509 return ToColor_SI8_Raw; 510 default: 511 return NULL; 512 } 513 case kAlpha_8_SkColorType: 514 return ToColor_SA8; 515 default: 516 break; 517 } 518 return NULL; 519} 520 521/////////////////////////////////////////////////////////////////////////////// 522/////////////////////////////////////////////////////////////////////////////// 523 524static int getPremulBitmapCreateFlags(bool isMutable) { 525 int flags = android::bitmap::kBitmapCreateFlag_Premultiplied; 526 if (isMutable) flags |= android::bitmap::kBitmapCreateFlag_Mutable; 527 return flags; 528} 529 530static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors, 531 jint offset, jint stride, jint width, jint height, 532 jint configHandle, jboolean isMutable) { 533 SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); 534 if (NULL != jColors) { 535 size_t n = env->GetArrayLength(jColors); 536 if (n < SkAbs32(stride) * (size_t)height) { 537 doThrowAIOOBE(env); 538 return NULL; 539 } 540 } 541 542 // ARGB_4444 is a deprecated format, convert automatically to 8888 543 if (colorType == kARGB_4444_SkColorType) { 544 colorType = kN32_SkColorType; 545 } 546 547 SkBitmap bitmap; 548 bitmap.setInfo(SkImageInfo::Make(width, height, colorType, kPremul_SkAlphaType, 549 GraphicsJNI::defaultColorSpace())); 550 551 PixelRef* nativeBitmap = GraphicsJNI::allocateHeapPixelRef(&bitmap, NULL); 552 if (!nativeBitmap) { 553 return NULL; 554 } 555 556 if (jColors != NULL) { 557 GraphicsJNI::SetPixels(env, jColors, offset, stride, 558 0, 0, width, height, bitmap); 559 } 560 561 return createBitmap(env, nativeBitmap, 562 getPremulBitmapCreateFlags(isMutable)); 563} 564 565static jobject Bitmap_copy(JNIEnv* env, jobject, jlong srcHandle, 566 jint dstConfigHandle, jboolean isMutable) { 567 SkBitmap src; 568 reinterpret_cast<Bitmap*>(srcHandle)->getSkBitmap(&src); 569 SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle); 570 SkBitmap result; 571 HeapAllocator allocator; 572 573 if (!src.copyTo(&result, dstCT, &allocator)) { 574 return NULL; 575 } 576 auto pixelRef = allocator.getStorageObjAndReset(); 577 return createBitmap(env, pixelRef, getPremulBitmapCreateFlags(isMutable)); 578} 579 580static PixelRef* Bitmap_copyAshmemImpl(JNIEnv* env, SkBitmap& src, SkColorType& dstCT) { 581 SkBitmap result; 582 583 AshmemPixelAllocator allocator(env); 584 if (!src.copyTo(&result, dstCT, &allocator)) { 585 return NULL; 586 } 587 auto pixelRef = allocator.getStorageObjAndReset(); 588 pixelRef->setImmutable(); 589 return pixelRef; 590} 591 592static jobject Bitmap_copyAshmem(JNIEnv* env, jobject, jlong srcHandle) { 593 SkBitmap src; 594 reinterpret_cast<Bitmap*>(srcHandle)->getSkBitmap(&src); 595 SkColorType dstCT = src.colorType(); 596 auto pixelRef = Bitmap_copyAshmemImpl(env, src, dstCT); 597 jobject ret = createBitmap(env, pixelRef, getPremulBitmapCreateFlags(false)); 598 return ret; 599} 600 601static jobject Bitmap_copyAshmemConfig(JNIEnv* env, jobject, jlong srcHandle, jint dstConfigHandle) { 602 SkBitmap src; 603 reinterpret_cast<Bitmap*>(srcHandle)->getSkBitmap(&src); 604 SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle); 605 auto pixelRef = Bitmap_copyAshmemImpl(env, src, dstCT); 606 jobject ret = createBitmap(env, pixelRef, getPremulBitmapCreateFlags(false)); 607 return ret; 608} 609 610static void Bitmap_destruct(Bitmap* bitmap) { 611 delete bitmap; 612} 613 614static jlong Bitmap_getNativeFinalizer(JNIEnv*, jobject) { 615 return static_cast<jlong>(reinterpret_cast<uintptr_t>(&Bitmap_destruct)); 616} 617 618static jboolean Bitmap_recycle(JNIEnv* env, jobject, jlong bitmapHandle) { 619 LocalScopedBitmap bitmap(bitmapHandle); 620 bitmap->freePixels(); 621 return JNI_TRUE; 622} 623 624static void Bitmap_reconfigure(JNIEnv* env, jobject clazz, jlong bitmapHandle, 625 jint width, jint height, jint configHandle, jboolean requestPremul) { 626 LocalScopedBitmap bitmap(bitmapHandle); 627 bitmap->assertValid(); 628 SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); 629 630 // ARGB_4444 is a deprecated format, convert automatically to 8888 631 if (colorType == kARGB_4444_SkColorType) { 632 colorType = kN32_SkColorType; 633 } 634 size_t requestedSize = width * height * SkColorTypeBytesPerPixel(colorType); 635 if (requestedSize > bitmap->getAllocationByteCount()) { 636 // done in native as there's no way to get BytesPerPixel in Java 637 doThrowIAE(env, "Bitmap not large enough to support new configuration"); 638 return; 639 } 640 SkAlphaType alphaType; 641 if (bitmap->info().colorType() != kRGB_565_SkColorType 642 && bitmap->info().alphaType() == kOpaque_SkAlphaType) { 643 // If the original bitmap was set to opaque, keep that setting, unless it 644 // was 565, which is required to be opaque. 645 alphaType = kOpaque_SkAlphaType; 646 } else { 647 // Otherwise respect the premultiplied request. 648 alphaType = requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType; 649 } 650 bitmap->pixelRef()->reconfigure(SkImageInfo::Make(width, height, colorType, alphaType, 651 sk_sp<SkColorSpace>(bitmap->info().colorSpace()))); 652} 653 654// These must match the int values in Bitmap.java 655enum JavaEncodeFormat { 656 kJPEG_JavaEncodeFormat = 0, 657 kPNG_JavaEncodeFormat = 1, 658 kWEBP_JavaEncodeFormat = 2 659}; 660 661static jboolean Bitmap_compress(JNIEnv* env, jobject clazz, jlong bitmapHandle, 662 jint format, jint quality, 663 jobject jstream, jbyteArray jstorage) { 664 665 LocalScopedBitmap bitmap(bitmapHandle); 666 SkImageEncoder::Type fm; 667 668 switch (format) { 669 case kJPEG_JavaEncodeFormat: 670 fm = SkImageEncoder::kJPEG_Type; 671 break; 672 case kPNG_JavaEncodeFormat: 673 fm = SkImageEncoder::kPNG_Type; 674 break; 675 case kWEBP_JavaEncodeFormat: 676 fm = SkImageEncoder::kWEBP_Type; 677 break; 678 default: 679 return JNI_FALSE; 680 } 681 682 if (!bitmap.valid()) { 683 return JNI_FALSE; 684 } 685 686 bool success = false; 687 688 std::unique_ptr<SkWStream> strm(CreateJavaOutputStreamAdaptor(env, jstream, jstorage)); 689 if (!strm.get()) { 690 return JNI_FALSE; 691 } 692 693 std::unique_ptr<SkImageEncoder> encoder(SkImageEncoder::Create(fm)); 694 if (encoder.get()) { 695 SkBitmap skbitmap; 696 bitmap->getSkBitmap(&skbitmap); 697 success = encoder->encodeStream(strm.get(), skbitmap, quality); 698 } 699 return success ? JNI_TRUE : JNI_FALSE; 700} 701 702static void Bitmap_erase(JNIEnv* env, jobject, jlong bitmapHandle, jint color) { 703 LocalScopedBitmap bitmap(bitmapHandle); 704 SkBitmap skBitmap; 705 bitmap->getSkBitmap(&skBitmap); 706 skBitmap.eraseColor(color); 707} 708 709static jint Bitmap_rowBytes(JNIEnv* env, jobject, jlong bitmapHandle) { 710 LocalScopedBitmap bitmap(bitmapHandle); 711 return static_cast<jint>(bitmap->rowBytes()); 712} 713 714static jint Bitmap_config(JNIEnv* env, jobject, jlong bitmapHandle) { 715 LocalScopedBitmap bitmap(bitmapHandle); 716 return GraphicsJNI::colorTypeToLegacyBitmapConfig(bitmap->info().colorType()); 717} 718 719static jint Bitmap_getGenerationId(JNIEnv* env, jobject, jlong bitmapHandle) { 720 LocalScopedBitmap bitmap(bitmapHandle); 721 return static_cast<jint>(bitmap->getGenerationID()); 722} 723 724static jboolean Bitmap_isPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle) { 725 LocalScopedBitmap bitmap(bitmapHandle); 726 if (bitmap->info().alphaType() == kPremul_SkAlphaType) { 727 return JNI_TRUE; 728 } 729 return JNI_FALSE; 730} 731 732static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, jlong bitmapHandle) { 733 LocalScopedBitmap bitmap(bitmapHandle); 734 return !bitmap->info().isOpaque() ? JNI_TRUE : JNI_FALSE; 735} 736 737static void Bitmap_setHasAlpha(JNIEnv* env, jobject, jlong bitmapHandle, 738 jboolean hasAlpha, jboolean requestPremul) { 739 LocalScopedBitmap bitmap(bitmapHandle); 740 if (hasAlpha) { 741 bitmap->setAlphaType( 742 requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType); 743 } else { 744 bitmap->setAlphaType(kOpaque_SkAlphaType); 745 } 746} 747 748static void Bitmap_setPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle, 749 jboolean isPremul) { 750 LocalScopedBitmap bitmap(bitmapHandle); 751 if (!bitmap->info().isOpaque()) { 752 if (isPremul) { 753 bitmap->setAlphaType(kPremul_SkAlphaType); 754 } else { 755 bitmap->setAlphaType(kUnpremul_SkAlphaType); 756 } 757 } 758} 759 760static jboolean Bitmap_hasMipMap(JNIEnv* env, jobject, jlong bitmapHandle) { 761 LocalScopedBitmap bitmap(bitmapHandle); 762 return bitmap->hasHardwareMipMap() ? JNI_TRUE : JNI_FALSE; 763} 764 765static void Bitmap_setHasMipMap(JNIEnv* env, jobject, jlong bitmapHandle, 766 jboolean hasMipMap) { 767 LocalScopedBitmap bitmap(bitmapHandle); 768 bitmap->setHasHardwareMipMap(hasMipMap); 769} 770 771/////////////////////////////////////////////////////////////////////////////// 772 773static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) { 774 if (parcel == NULL) { 775 SkDebugf("-------- unparcel parcel is NULL\n"); 776 return NULL; 777 } 778 779 android::Parcel* p = android::parcelForJavaObject(env, parcel); 780 781 const bool isMutable = p->readInt32() != 0; 782 const SkColorType colorType = (SkColorType)p->readInt32(); 783 const SkAlphaType alphaType = (SkAlphaType)p->readInt32(); 784 const bool isSRGB = p->readInt32() != 0; 785 const int width = p->readInt32(); 786 const int height = p->readInt32(); 787 const int rowBytes = p->readInt32(); 788 const int density = p->readInt32(); 789 790 if (kN32_SkColorType != colorType && 791 kRGB_565_SkColorType != colorType && 792 kARGB_4444_SkColorType != colorType && 793 kIndex_8_SkColorType != colorType && 794 kAlpha_8_SkColorType != colorType) { 795 SkDebugf("Bitmap_createFromParcel unknown colortype: %d\n", colorType); 796 return NULL; 797 } 798 799 std::unique_ptr<SkBitmap> bitmap(new SkBitmap); 800 801 if (!bitmap->setInfo(SkImageInfo::Make(width, height, colorType, alphaType, 802 isSRGB ? SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named) : nullptr), rowBytes)) { 803 return NULL; 804 } 805 806 SkColorTable* ctable = NULL; 807 if (colorType == kIndex_8_SkColorType) { 808 int count = p->readInt32(); 809 if (count < 0 || count > 256) { 810 // The data is corrupt, since SkColorTable enforces a value between 0 and 256, 811 // inclusive. 812 return NULL; 813 } 814 if (count > 0) { 815 size_t size = count * sizeof(SkPMColor); 816 const SkPMColor* src = (const SkPMColor*)p->readInplace(size); 817 if (src == NULL) { 818 return NULL; 819 } 820 ctable = new SkColorTable(src, count); 821 } 822 } 823 824 // Read the bitmap blob. 825 size_t size = bitmap->getSize(); 826 android::Parcel::ReadableBlob blob; 827 android::status_t status = p->readBlob(size, &blob); 828 if (status) { 829 SkSafeUnref(ctable); 830 doThrowRE(env, "Could not read bitmap blob."); 831 return NULL; 832 } 833 834 // Map the bitmap in place from the ashmem region if possible otherwise copy. 835 PixelRef* nativeBitmap; 836 if (blob.fd() >= 0 && (blob.isMutable() || !isMutable) && (size >= ASHMEM_BITMAP_MIN_SIZE)) { 837#if DEBUG_PARCEL 838 ALOGD("Bitmap.createFromParcel: mapped contents of %s bitmap from %s blob " 839 "(fds %s)", 840 isMutable ? "mutable" : "immutable", 841 blob.isMutable() ? "mutable" : "immutable", 842 p->allowFds() ? "allowed" : "forbidden"); 843#endif 844 // Dup the file descriptor so we can keep a reference to it after the Parcel 845 // is disposed. 846 int dupFd = dup(blob.fd()); 847 if (dupFd < 0) { 848 ALOGE("Error allocating dup fd. Error:%d", errno); 849 blob.release(); 850 SkSafeUnref(ctable); 851 doThrowRE(env, "Could not allocate dup blob fd."); 852 return NULL; 853 } 854 855 // Map the pixels in place and take ownership of the ashmem region. 856 nativeBitmap = GraphicsJNI::mapAshmemPixelRef(env, bitmap.get(), 857 ctable, dupFd, const_cast<void*>(blob.data()), size, !isMutable); 858 SkSafeUnref(ctable); 859 if (!nativeBitmap) { 860 close(dupFd); 861 blob.release(); 862 doThrowRE(env, "Could not allocate ashmem pixel ref."); 863 return NULL; 864 } 865 866 // Clear the blob handle, don't release it. 867 blob.clear(); 868 } else { 869#if DEBUG_PARCEL 870 if (blob.fd() >= 0) { 871 ALOGD("Bitmap.createFromParcel: copied contents of mutable bitmap " 872 "from immutable blob (fds %s)", 873 p->allowFds() ? "allowed" : "forbidden"); 874 } else { 875 ALOGD("Bitmap.createFromParcel: copied contents from %s blob " 876 "(fds %s)", 877 blob.isMutable() ? "mutable" : "immutable", 878 p->allowFds() ? "allowed" : "forbidden"); 879 } 880#endif 881 882 // Copy the pixels into a new buffer. 883 nativeBitmap = GraphicsJNI::allocateHeapPixelRef(bitmap.get(), ctable); 884 SkSafeUnref(ctable); 885 if (!nativeBitmap) { 886 blob.release(); 887 doThrowRE(env, "Could not allocate java pixel ref."); 888 return NULL; 889 } 890 bitmap->lockPixels(); 891 memcpy(bitmap->getPixels(), blob.data(), size); 892 bitmap->unlockPixels(); 893 894 // Release the blob handle. 895 blob.release(); 896 } 897 898 return createBitmap(env, nativeBitmap, 899 getPremulBitmapCreateFlags(isMutable), NULL, NULL, density); 900} 901 902static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject, 903 jlong bitmapHandle, 904 jboolean isMutable, jint density, 905 jobject parcel) { 906 if (parcel == NULL) { 907 SkDebugf("------- writeToParcel null parcel\n"); 908 return JNI_FALSE; 909 } 910 911 android::Parcel* p = android::parcelForJavaObject(env, parcel); 912 SkBitmap bitmap; 913 914 auto androidBitmap = reinterpret_cast<Bitmap*>(bitmapHandle); 915 androidBitmap->getSkBitmap(&bitmap); 916 917 sk_sp<SkColorSpace> sRGB = SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named); 918 bool isSRGB = bitmap.colorSpace() == sRGB.get(); 919 920 p->writeInt32(isMutable); 921 p->writeInt32(bitmap.colorType()); 922 p->writeInt32(bitmap.alphaType()); 923 p->writeInt32(isSRGB); // TODO: We should write the color space (b/32072280) 924 p->writeInt32(bitmap.width()); 925 p->writeInt32(bitmap.height()); 926 p->writeInt32(bitmap.rowBytes()); 927 p->writeInt32(density); 928 929 if (bitmap.colorType() == kIndex_8_SkColorType) { 930 // The bitmap needs to be locked to access its color table. 931 SkAutoLockPixels alp(bitmap); 932 SkColorTable* ctable = bitmap.getColorTable(); 933 if (ctable != NULL) { 934 int count = ctable->count(); 935 p->writeInt32(count); 936 memcpy(p->writeInplace(count * sizeof(SkPMColor)), 937 ctable->readColors(), count * sizeof(SkPMColor)); 938 } else { 939 p->writeInt32(0); // indicate no ctable 940 } 941 } 942 943 // Transfer the underlying ashmem region if we have one and it's immutable. 944 android::status_t status; 945 int fd = androidBitmap->pixelRef()->getAshmemFd(); 946 if (fd >= 0 && !isMutable && p->allowFds()) { 947#if DEBUG_PARCEL 948 ALOGD("Bitmap.writeToParcel: transferring immutable bitmap's ashmem fd as " 949 "immutable blob (fds %s)", 950 p->allowFds() ? "allowed" : "forbidden"); 951#endif 952 953 status = p->writeDupImmutableBlobFileDescriptor(fd); 954 if (status) { 955 doThrowRE(env, "Could not write bitmap blob file descriptor."); 956 return JNI_FALSE; 957 } 958 return JNI_TRUE; 959 } 960 961 // Copy the bitmap to a new blob. 962 bool mutableCopy = isMutable; 963#if DEBUG_PARCEL 964 ALOGD("Bitmap.writeToParcel: copying %s bitmap into new %s blob (fds %s)", 965 isMutable ? "mutable" : "immutable", 966 mutableCopy ? "mutable" : "immutable", 967 p->allowFds() ? "allowed" : "forbidden"); 968#endif 969 970 size_t size = bitmap.getSize(); 971 android::Parcel::WritableBlob blob; 972 status = p->writeBlob(size, mutableCopy, &blob); 973 if (status) { 974 doThrowRE(env, "Could not copy bitmap to parcel blob."); 975 return JNI_FALSE; 976 } 977 978 bitmap.lockPixels(); 979 const void* pSrc = bitmap.getPixels(); 980 if (pSrc == NULL) { 981 memset(blob.data(), 0, size); 982 } else { 983 memcpy(blob.data(), pSrc, size); 984 } 985 bitmap.unlockPixels(); 986 987 blob.release(); 988 return JNI_TRUE; 989} 990 991static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz, 992 jlong srcHandle, jlong paintHandle, 993 jintArray offsetXY) { 994 SkBitmap src; 995 reinterpret_cast<Bitmap*>(srcHandle)->getSkBitmap(&src); 996 const android::Paint* paint = reinterpret_cast<android::Paint*>(paintHandle); 997 SkIPoint offset; 998 SkBitmap dst; 999 HeapAllocator allocator; 1000 1001 src.extractAlpha(&dst, paint, &allocator, &offset); 1002 // If Skia can't allocate pixels for destination bitmap, it resets 1003 // it, that is set its pixels buffer to NULL, and zero width and height. 1004 if (dst.getPixels() == NULL && src.getPixels() != NULL) { 1005 doThrowOOME(env, "failed to allocate pixels for alpha"); 1006 return NULL; 1007 } 1008 if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) { 1009 int* array = env->GetIntArrayElements(offsetXY, NULL); 1010 array[0] = offset.fX; 1011 array[1] = offset.fY; 1012 env->ReleaseIntArrayElements(offsetXY, array, 0); 1013 } 1014 1015 return createBitmap(env, allocator.getStorageObjAndReset(), 1016 getPremulBitmapCreateFlags(true)); 1017} 1018 1019/////////////////////////////////////////////////////////////////////////////// 1020 1021static jint Bitmap_getPixel(JNIEnv* env, jobject, jlong bitmapHandle, 1022 jint x, jint y) { 1023 SkBitmap bitmap; 1024 reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); 1025 SkAutoLockPixels alp(bitmap); 1026 1027 ToColorProc proc = ChooseToColorProc(bitmap); 1028 if (NULL == proc) { 1029 return 0; 1030 } 1031 const void* src = bitmap.getAddr(x, y); 1032 if (NULL == src) { 1033 return 0; 1034 } 1035 1036 SkColor dst[1]; 1037 proc(dst, src, 1, bitmap.getColorTable()); 1038 return static_cast<jint>(dst[0]); 1039} 1040 1041static void Bitmap_getPixels(JNIEnv* env, jobject, jlong bitmapHandle, 1042 jintArray pixelArray, jint offset, jint stride, 1043 jint x, jint y, jint width, jint height) { 1044 SkBitmap bitmap; 1045 reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); 1046 SkAutoLockPixels alp(bitmap); 1047 1048 ToColorProc proc = ChooseToColorProc(bitmap); 1049 if (NULL == proc) { 1050 return; 1051 } 1052 const void* src = bitmap.getAddr(x, y); 1053 if (NULL == src) { 1054 return; 1055 } 1056 1057 SkColorTable* ctable = bitmap.getColorTable(); 1058 jint* dst = env->GetIntArrayElements(pixelArray, NULL); 1059 SkColor* d = (SkColor*)dst + offset; 1060 while (--height >= 0) { 1061 proc(d, src, width, ctable); 1062 d += stride; 1063 src = (void*)((const char*)src + bitmap.rowBytes()); 1064 } 1065 env->ReleaseIntArrayElements(pixelArray, dst, 0); 1066} 1067 1068/////////////////////////////////////////////////////////////////////////////// 1069 1070static void Bitmap_setPixel(JNIEnv* env, jobject, jlong bitmapHandle, 1071 jint x, jint y, jint colorHandle) { 1072 SkBitmap bitmap; 1073 reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); 1074 SkColor color = static_cast<SkColor>(colorHandle); 1075 SkAutoLockPixels alp(bitmap); 1076 if (NULL == bitmap.getPixels()) { 1077 return; 1078 } 1079 1080 FromColorProc proc = ChooseFromColorProc(bitmap); 1081 if (NULL == proc) { 1082 return; 1083 } 1084 1085 proc(bitmap.getAddr(x, y), &color, 1, x, y); 1086 bitmap.notifyPixelsChanged(); 1087} 1088 1089static void Bitmap_setPixels(JNIEnv* env, jobject, jlong bitmapHandle, 1090 jintArray pixelArray, jint offset, jint stride, 1091 jint x, jint y, jint width, jint height) { 1092 SkBitmap bitmap; 1093 reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); 1094 GraphicsJNI::SetPixels(env, pixelArray, offset, stride, 1095 x, y, width, height, bitmap); 1096} 1097 1098static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject, 1099 jlong bitmapHandle, jobject jbuffer) { 1100 SkBitmap bitmap; 1101 reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); 1102 SkAutoLockPixels alp(bitmap); 1103 const void* src = bitmap.getPixels(); 1104 1105 if (NULL != src) { 1106 android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE); 1107 1108 // the java side has already checked that buffer is large enough 1109 memcpy(abp.pointer(), src, bitmap.getSize()); 1110 } 1111} 1112 1113static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject, 1114 jlong bitmapHandle, jobject jbuffer) { 1115 SkBitmap bitmap; 1116 reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); 1117 SkAutoLockPixels alp(bitmap); 1118 void* dst = bitmap.getPixels(); 1119 1120 if (NULL != dst) { 1121 android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE); 1122 // the java side has already checked that buffer is large enough 1123 memcpy(dst, abp.pointer(), bitmap.getSize()); 1124 bitmap.notifyPixelsChanged(); 1125 } 1126} 1127 1128static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle, 1129 jlong bm1Handle) { 1130 SkBitmap bm0; 1131 SkBitmap bm1; 1132 reinterpret_cast<Bitmap*>(bm0Handle)->getSkBitmap(&bm0); 1133 reinterpret_cast<Bitmap*>(bm1Handle)->getSkBitmap(&bm1); 1134 if (bm0.width() != bm1.width() || 1135 bm0.height() != bm1.height() || 1136 bm0.colorType() != bm1.colorType() || 1137 bm0.alphaType() != bm1.alphaType() || 1138 bm0.colorSpace() != bm1.colorSpace()) { 1139 return JNI_FALSE; 1140 } 1141 1142 SkAutoLockPixels alp0(bm0); 1143 SkAutoLockPixels alp1(bm1); 1144 1145 // if we can't load the pixels, return false 1146 if (NULL == bm0.getPixels() || NULL == bm1.getPixels()) { 1147 return JNI_FALSE; 1148 } 1149 1150 if (bm0.colorType() == kIndex_8_SkColorType) { 1151 SkColorTable* ct0 = bm0.getColorTable(); 1152 SkColorTable* ct1 = bm1.getColorTable(); 1153 if (NULL == ct0 || NULL == ct1) { 1154 return JNI_FALSE; 1155 } 1156 if (ct0->count() != ct1->count()) { 1157 return JNI_FALSE; 1158 } 1159 1160 const size_t size = ct0->count() * sizeof(SkPMColor); 1161 if (memcmp(ct0->readColors(), ct1->readColors(), size) != 0) { 1162 return JNI_FALSE; 1163 } 1164 } 1165 1166 // now compare each scanline. We can't do the entire buffer at once, 1167 // since we don't care about the pixel values that might extend beyond 1168 // the width (since the scanline might be larger than the logical width) 1169 const int h = bm0.height(); 1170 const size_t size = bm0.width() * bm0.bytesPerPixel(); 1171 for (int y = 0; y < h; y++) { 1172 // SkBitmap::getAddr(int, int) may return NULL due to unrecognized config 1173 // (ex: kRLE_Index8_Config). This will cause memcmp method to crash. Since bm0 1174 // and bm1 both have pixel data() (have passed NULL == getPixels() check), 1175 // those 2 bitmaps should be valid (only unrecognized), we return JNI_FALSE 1176 // to warn user those 2 unrecognized config bitmaps may be different. 1177 void *bm0Addr = bm0.getAddr(0, y); 1178 void *bm1Addr = bm1.getAddr(0, y); 1179 1180 if(bm0Addr == NULL || bm1Addr == NULL) { 1181 return JNI_FALSE; 1182 } 1183 1184 if (memcmp(bm0Addr, bm1Addr, size) != 0) { 1185 return JNI_FALSE; 1186 } 1187 } 1188 return JNI_TRUE; 1189} 1190 1191static void Bitmap_prepareToDraw(JNIEnv* env, jobject, jlong bitmapPtr) { 1192 LocalScopedBitmap bitmapHandle(bitmapPtr); 1193 if (!bitmapHandle.valid()) return; 1194 SkBitmap bitmap; 1195 bitmapHandle->getSkBitmap(&bitmap); 1196 android::uirenderer::renderthread::RenderProxy::prepareToDraw(bitmap); 1197} 1198 1199static jint Bitmap_getAllocationByteCount(JNIEnv* env, jobject, jlong bitmapPtr) { 1200 LocalScopedBitmap bitmapHandle(bitmapPtr); 1201 return static_cast<jint>(bitmapHandle->getAllocationByteCount()); 1202} 1203 1204/////////////////////////////////////////////////////////////////////////////// 1205static jclass make_globalref(JNIEnv* env, const char classname[]) 1206{ 1207 jclass c = env->FindClass(classname); 1208 SkASSERT(c); 1209 return (jclass) env->NewGlobalRef(c); 1210} 1211 1212static jfieldID getFieldIDCheck(JNIEnv* env, jclass clazz, 1213 const char fieldname[], const char type[]) 1214{ 1215 jfieldID id = env->GetFieldID(clazz, fieldname, type); 1216 SkASSERT(id); 1217 return id; 1218} 1219 1220static const JNINativeMethod gBitmapMethods[] = { 1221 { "nativeCreate", "([IIIIIIZ)Landroid/graphics/Bitmap;", 1222 (void*)Bitmap_creator }, 1223 { "nativeCopy", "(JIZ)Landroid/graphics/Bitmap;", 1224 (void*)Bitmap_copy }, 1225 { "nativeCopyAshmem", "(J)Landroid/graphics/Bitmap;", 1226 (void*)Bitmap_copyAshmem }, 1227 { "nativeCopyAshmemConfig", "(JI)Landroid/graphics/Bitmap;", 1228 (void*)Bitmap_copyAshmemConfig }, 1229 { "nativeGetNativeFinalizer", "()J", (void*)Bitmap_getNativeFinalizer }, 1230 { "nativeRecycle", "(J)Z", (void*)Bitmap_recycle }, 1231 { "nativeReconfigure", "(JIIIZ)V", (void*)Bitmap_reconfigure }, 1232 { "nativeCompress", "(JIILjava/io/OutputStream;[B)Z", 1233 (void*)Bitmap_compress }, 1234 { "nativeErase", "(JI)V", (void*)Bitmap_erase }, 1235 { "nativeRowBytes", "(J)I", (void*)Bitmap_rowBytes }, 1236 { "nativeConfig", "(J)I", (void*)Bitmap_config }, 1237 { "nativeHasAlpha", "(J)Z", (void*)Bitmap_hasAlpha }, 1238 { "nativeIsPremultiplied", "(J)Z", (void*)Bitmap_isPremultiplied}, 1239 { "nativeSetHasAlpha", "(JZZ)V", (void*)Bitmap_setHasAlpha}, 1240 { "nativeSetPremultiplied", "(JZ)V", (void*)Bitmap_setPremultiplied}, 1241 { "nativeHasMipMap", "(J)Z", (void*)Bitmap_hasMipMap }, 1242 { "nativeSetHasMipMap", "(JZ)V", (void*)Bitmap_setHasMipMap }, 1243 { "nativeCreateFromParcel", 1244 "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;", 1245 (void*)Bitmap_createFromParcel }, 1246 { "nativeWriteToParcel", "(JZILandroid/os/Parcel;)Z", 1247 (void*)Bitmap_writeToParcel }, 1248 { "nativeExtractAlpha", "(JJ[I)Landroid/graphics/Bitmap;", 1249 (void*)Bitmap_extractAlpha }, 1250 { "nativeGenerationId", "(J)I", (void*)Bitmap_getGenerationId }, 1251 { "nativeGetPixel", "(JII)I", (void*)Bitmap_getPixel }, 1252 { "nativeGetPixels", "(J[IIIIIII)V", (void*)Bitmap_getPixels }, 1253 { "nativeSetPixel", "(JIII)V", (void*)Bitmap_setPixel }, 1254 { "nativeSetPixels", "(J[IIIIIII)V", (void*)Bitmap_setPixels }, 1255 { "nativeCopyPixelsToBuffer", "(JLjava/nio/Buffer;)V", 1256 (void*)Bitmap_copyPixelsToBuffer }, 1257 { "nativeCopyPixelsFromBuffer", "(JLjava/nio/Buffer;)V", 1258 (void*)Bitmap_copyPixelsFromBuffer }, 1259 { "nativeSameAs", "(JJ)Z", (void*)Bitmap_sameAs }, 1260 { "nativePrepareToDraw", "(J)V", (void*)Bitmap_prepareToDraw }, 1261 { "nativeGetAllocationByteCount", "(J)I", (void*)Bitmap_getAllocationByteCount }, 1262}; 1263 1264int register_android_graphics_Bitmap(JNIEnv* env) 1265{ 1266 gBitmap_class = make_globalref(env, "android/graphics/Bitmap"); 1267 gBitmap_nativePtr = getFieldIDCheck(env, gBitmap_class, "mNativePtr", "J"); 1268 gBitmap_constructorMethodID = env->GetMethodID(gBitmap_class, "<init>", "(JIIIZZ[BLandroid/graphics/NinePatch$InsetStruct;)V"); 1269 gBitmap_reinitMethodID = env->GetMethodID(gBitmap_class, "reinit", "(IIZ)V"); 1270 gBitmap_getAllocationByteCountMethodID = env->GetMethodID(gBitmap_class, "getAllocationByteCount", "()I"); 1271 return android::RegisterMethodsOrDie(env, "android/graphics/Bitmap", gBitmapMethods, 1272 NELEM(gBitmapMethods)); 1273}