John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1 | #define LOG_TAG "Bitmap" |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 2 | #include "Bitmap.h" |
| 3 | |
Behdad Esfahbod | 6ba30b8 | 2014-07-15 16:22:32 -0400 | [diff] [blame] | 4 | #include "Paint.h" |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 5 | #include "SkBitmap.h" |
| 6 | #include "SkPixelRef.h" |
| 7 | #include "SkImageEncoder.h" |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 8 | #include "SkImageInfo.h" |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 9 | #include "SkColorPriv.h" |
| 10 | #include "GraphicsJNI.h" |
| 11 | #include "SkDither.h" |
| 12 | #include "SkUnPreMultiply.h" |
| 13 | #include "SkStream.h" |
| 14 | |
| 15 | #include <binder/Parcel.h> |
| 16 | #include "android_os_Parcel.h" |
| 17 | #include "android_util_Binder.h" |
| 18 | #include "android_nio_utils.h" |
| 19 | #include "CreateJavaOutputStreamAdaptor.h" |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 20 | #include <Caches.h> |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 21 | |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 22 | #include "core_jni_helpers.h" |
| 23 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 24 | #include <jni.h> |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 25 | #include <memory> |
| 26 | #include <string> |
| 27 | #include <sys/mman.h> |
| 28 | #include <cutils/ashmem.h> |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 29 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 30 | namespace android { |
| 31 | |
| 32 | class WrappedPixelRef : public SkPixelRef { |
| 33 | public: |
| 34 | WrappedPixelRef(Bitmap* wrapper, void* storage, |
| 35 | const SkImageInfo& info, size_t rowBytes, SkColorTable* ctable) |
| 36 | : SkPixelRef(info) |
| 37 | , mBitmap(*wrapper) |
| 38 | , mStorage(storage) { |
| 39 | reconfigure(info, rowBytes, ctable); |
| 40 | } |
| 41 | |
| 42 | ~WrappedPixelRef() { |
| 43 | // Tell SkRefCnt that everything is as it expects by forcing |
| 44 | // the refcnt to 1 |
| 45 | internal_dispose_restore_refcnt_to_1(); |
| 46 | SkSafeUnref(mColorTable); |
| 47 | } |
| 48 | |
| 49 | void reconfigure(const SkImageInfo& info, size_t rowBytes, SkColorTable* ctable) { |
| 50 | if (kIndex_8_SkColorType != info.colorType()) { |
| 51 | ctable = nullptr; |
| 52 | } |
| 53 | mRowBytes = rowBytes; |
| 54 | if (mColorTable != ctable) { |
| 55 | SkSafeUnref(mColorTable); |
| 56 | mColorTable = ctable; |
| 57 | SkSafeRef(mColorTable); |
| 58 | } |
| 59 | // Dirty hack is dirty |
| 60 | // TODO: Figure something out here, Skia's current design makes this |
| 61 | // really hard to work with. Skia really, really wants immutable objects, |
| 62 | // but with the nested-ref-count hackery going on that's just not |
| 63 | // feasible without going insane trying to figure it out |
| 64 | SkImageInfo* myInfo = const_cast<SkImageInfo*>(&this->info()); |
| 65 | *myInfo = info; |
| 66 | |
| 67 | // Docs say to only call this in the ctor, but we're going to call |
| 68 | // it anyway even if this isn't always the ctor. |
| 69 | // TODO: Fix this too as part of the above TODO |
| 70 | setPreLocked(mStorage, mRowBytes, mColorTable); |
| 71 | } |
| 72 | |
| 73 | // Can't mark as override since SkPixelRef::rowBytes isn't virtual |
| 74 | // but that's OK since we just want BitmapWrapper to be able to rely |
| 75 | // on calling rowBytes() on an unlocked pixelref, which it will be |
| 76 | // doing on a WrappedPixelRef type, not a SkPixelRef, so static |
| 77 | // dispatching will do what we want. |
| 78 | size_t rowBytes() const { return mRowBytes; } |
| 79 | SkColorTable* colorTable() const { return mColorTable; } |
| 80 | |
| 81 | bool hasHardwareMipMap() const { |
| 82 | return mHasHardwareMipMap; |
| 83 | } |
| 84 | |
| 85 | void setHasHardwareMipMap(bool hasMipMap) { |
| 86 | mHasHardwareMipMap = hasMipMap; |
| 87 | } |
| 88 | |
| 89 | protected: |
| 90 | virtual bool onNewLockPixels(LockRec* rec) override { |
| 91 | rec->fPixels = mStorage; |
| 92 | rec->fRowBytes = mRowBytes; |
| 93 | rec->fColorTable = mColorTable; |
| 94 | return true; |
| 95 | } |
| 96 | |
| 97 | virtual void onUnlockPixels() override { |
| 98 | // nothing |
| 99 | } |
| 100 | |
| 101 | virtual size_t getAllocatedSizeInBytes() const override { |
| 102 | return info().getSafeSize(mRowBytes); |
| 103 | } |
| 104 | |
| 105 | private: |
| 106 | Bitmap& mBitmap; |
| 107 | void* mStorage; |
| 108 | size_t mRowBytes = 0; |
| 109 | SkColorTable* mColorTable = nullptr; |
| 110 | bool mHasHardwareMipMap = false; |
| 111 | |
| 112 | virtual void internal_dispose() const override { |
| 113 | mBitmap.onStrongRefDestroyed(); |
| 114 | } |
| 115 | }; |
| 116 | |
| 117 | Bitmap::Bitmap(JNIEnv* env, jbyteArray storageObj, void* address, |
| 118 | const SkImageInfo& info, size_t rowBytes, SkColorTable* ctable) |
| 119 | : mPixelStorageType(PixelStorageType::Java) { |
| 120 | env->GetJavaVM(&mPixelStorage.java.jvm); |
| 121 | mPixelStorage.java.jweakRef = env->NewWeakGlobalRef(storageObj); |
| 122 | mPixelStorage.java.jstrongRef = nullptr; |
| 123 | mPixelRef.reset(new WrappedPixelRef(this, address, info, rowBytes, ctable)); |
| 124 | // Note: this will trigger a call to onStrongRefDestroyed(), but |
| 125 | // we want the pixel ref to have a ref count of 0 at this point |
| 126 | mPixelRef->unref(); |
| 127 | } |
| 128 | |
| 129 | Bitmap::Bitmap(void* address, void* context, FreeFunc freeFunc, |
| 130 | const SkImageInfo& info, size_t rowBytes, SkColorTable* ctable) |
| 131 | : mPixelStorageType(PixelStorageType::External) { |
| 132 | mPixelStorage.external.address = address; |
| 133 | mPixelStorage.external.context = context; |
| 134 | mPixelStorage.external.freeFunc = freeFunc; |
| 135 | mPixelRef.reset(new WrappedPixelRef(this, address, info, rowBytes, ctable)); |
| 136 | // Note: this will trigger a call to onStrongRefDestroyed(), but |
| 137 | // we want the pixel ref to have a ref count of 0 at this point |
| 138 | mPixelRef->unref(); |
| 139 | } |
| 140 | |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 141 | Bitmap::Bitmap(void* address, int fd, |
| 142 | const SkImageInfo& info, size_t rowBytes, SkColorTable* ctable) |
| 143 | : mPixelStorageType(PixelStorageType::Ashmem) { |
| 144 | mPixelStorage.ashmem.address = address; |
| 145 | mPixelStorage.ashmem.fd = fd; |
| 146 | mPixelStorage.ashmem.size = ashmem_get_size_region(fd); |
| 147 | mPixelRef.reset(new WrappedPixelRef(this, address, info, rowBytes, ctable)); |
| 148 | // Note: this will trigger a call to onStrongRefDestroyed(), but |
| 149 | // we want the pixel ref to have a ref count of 0 at this point |
| 150 | mPixelRef->unref(); |
| 151 | } |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 152 | Bitmap::~Bitmap() { |
| 153 | doFreePixels(); |
| 154 | } |
| 155 | |
| 156 | void Bitmap::freePixels() { |
| 157 | AutoMutex _lock(mLock); |
| 158 | if (mPinnedRefCount == 0) { |
| 159 | doFreePixels(); |
| 160 | mPixelStorageType = PixelStorageType::Invalid; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | void Bitmap::doFreePixels() { |
| 165 | switch (mPixelStorageType) { |
| 166 | case PixelStorageType::Invalid: |
| 167 | // already free'd, nothing to do |
| 168 | break; |
| 169 | case PixelStorageType::External: |
| 170 | mPixelStorage.external.freeFunc(mPixelStorage.external.address, |
| 171 | mPixelStorage.external.context); |
| 172 | break; |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 173 | case PixelStorageType::Ashmem: |
| 174 | munmap(mPixelStorage.ashmem.address, mPixelStorage.ashmem.size); |
| 175 | close(mPixelStorage.ashmem.fd); |
| 176 | break; |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 177 | case PixelStorageType::Java: |
| 178 | JNIEnv* env = jniEnv(); |
| 179 | LOG_ALWAYS_FATAL_IF(mPixelStorage.java.jstrongRef, |
| 180 | "Deleting a bitmap wrapper while there are outstanding strong " |
| 181 | "references! mPinnedRefCount = %d", mPinnedRefCount); |
| 182 | env->DeleteWeakGlobalRef(mPixelStorage.java.jweakRef); |
| 183 | break; |
| 184 | } |
| 185 | |
| 186 | if (android::uirenderer::Caches::hasInstance()) { |
| 187 | android::uirenderer::Caches::getInstance().textureCache.releaseTexture( |
| 188 | mPixelRef->getStableID()); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | bool Bitmap::hasHardwareMipMap() { |
| 193 | return mPixelRef->hasHardwareMipMap(); |
| 194 | } |
| 195 | |
| 196 | void Bitmap::setHasHardwareMipMap(bool hasMipMap) { |
| 197 | mPixelRef->setHasHardwareMipMap(hasMipMap); |
| 198 | } |
| 199 | |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 200 | int Bitmap::getAshmemFd() const { |
| 201 | switch (mPixelStorageType) { |
| 202 | case PixelStorageType::Ashmem: |
| 203 | return mPixelStorage.ashmem.fd; |
| 204 | default: |
| 205 | return -1; |
| 206 | } |
| 207 | } |
| 208 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 209 | const SkImageInfo& Bitmap::info() const { |
| 210 | assertValid(); |
| 211 | return mPixelRef->info(); |
| 212 | } |
| 213 | |
| 214 | size_t Bitmap::rowBytes() const { |
| 215 | return mPixelRef->rowBytes(); |
| 216 | } |
| 217 | |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 218 | SkPixelRef* Bitmap::peekAtPixelRef() const { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 219 | assertValid(); |
| 220 | return mPixelRef.get(); |
| 221 | } |
| 222 | |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 223 | SkPixelRef* Bitmap::refPixelRef() { |
| 224 | assertValid(); |
| 225 | android::AutoMutex _lock(mLock); |
| 226 | return refPixelRefLocked(); |
| 227 | } |
| 228 | |
| 229 | SkPixelRef* Bitmap::refPixelRefLocked() { |
| 230 | mPixelRef->ref(); |
| 231 | if (mPixelRef->unique()) { |
| 232 | // We just restored this from 0, pin the pixels and inc the strong count |
| 233 | // Note that there *might be* an incoming onStrongRefDestroyed from whatever |
| 234 | // last unref'd |
| 235 | pinPixelsLocked(); |
| 236 | mPinnedRefCount++; |
| 237 | } |
| 238 | return mPixelRef.get(); |
| 239 | } |
| 240 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 241 | void Bitmap::reconfigure(const SkImageInfo& info, size_t rowBytes, |
| 242 | SkColorTable* ctable) { |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 243 | { |
| 244 | android::AutoMutex _lock(mLock); |
| 245 | if (mPinnedRefCount) { |
| 246 | ALOGW("Called reconfigure on a bitmap that is in use! This may" |
| 247 | " cause graphical corruption!"); |
| 248 | } |
| 249 | } |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 250 | mPixelRef->reconfigure(info, rowBytes, ctable); |
| 251 | } |
| 252 | |
| 253 | void Bitmap::reconfigure(const SkImageInfo& info) { |
Derek Sollenberger | 2a94a10 | 2015-05-07 13:56:14 -0400 | [diff] [blame] | 254 | reconfigure(info, info.minRowBytes(), nullptr); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | void Bitmap::detachFromJava() { |
| 258 | bool disposeSelf; |
| 259 | { |
| 260 | android::AutoMutex _lock(mLock); |
| 261 | mAttachedToJava = false; |
| 262 | disposeSelf = shouldDisposeSelfLocked(); |
| 263 | } |
| 264 | if (disposeSelf) { |
| 265 | delete this; |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | bool Bitmap::shouldDisposeSelfLocked() { |
| 270 | return mPinnedRefCount == 0 && !mAttachedToJava; |
| 271 | } |
| 272 | |
| 273 | JNIEnv* Bitmap::jniEnv() { |
| 274 | JNIEnv* env; |
| 275 | auto success = mPixelStorage.java.jvm->GetEnv((void**)&env, JNI_VERSION_1_6); |
| 276 | LOG_ALWAYS_FATAL_IF(success != JNI_OK, |
| 277 | "Failed to get JNIEnv* from JVM: %p", mPixelStorage.java.jvm); |
| 278 | return env; |
| 279 | } |
| 280 | |
| 281 | void Bitmap::onStrongRefDestroyed() { |
| 282 | bool disposeSelf = false; |
| 283 | { |
| 284 | android::AutoMutex _lock(mLock); |
| 285 | if (mPinnedRefCount > 0) { |
| 286 | mPinnedRefCount--; |
| 287 | if (mPinnedRefCount == 0) { |
| 288 | unpinPixelsLocked(); |
| 289 | disposeSelf = shouldDisposeSelfLocked(); |
| 290 | } |
| 291 | } |
| 292 | } |
| 293 | if (disposeSelf) { |
| 294 | delete this; |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | void Bitmap::pinPixelsLocked() { |
| 299 | switch (mPixelStorageType) { |
| 300 | case PixelStorageType::Invalid: |
| 301 | LOG_ALWAYS_FATAL("Cannot pin invalid pixels!"); |
| 302 | break; |
| 303 | case PixelStorageType::External: |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 304 | case PixelStorageType::Ashmem: |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 305 | // Nothing to do |
| 306 | break; |
| 307 | case PixelStorageType::Java: { |
| 308 | JNIEnv* env = jniEnv(); |
| 309 | if (!mPixelStorage.java.jstrongRef) { |
| 310 | mPixelStorage.java.jstrongRef = reinterpret_cast<jbyteArray>( |
| 311 | env->NewGlobalRef(mPixelStorage.java.jweakRef)); |
| 312 | if (!mPixelStorage.java.jstrongRef) { |
| 313 | LOG_ALWAYS_FATAL("Failed to acquire strong reference to pixels"); |
| 314 | } |
| 315 | } |
| 316 | break; |
| 317 | } |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | void Bitmap::unpinPixelsLocked() { |
| 322 | switch (mPixelStorageType) { |
| 323 | case PixelStorageType::Invalid: |
| 324 | LOG_ALWAYS_FATAL("Cannot unpin invalid pixels!"); |
| 325 | break; |
| 326 | case PixelStorageType::External: |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 327 | case PixelStorageType::Ashmem: |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 328 | // Don't need to do anything |
| 329 | break; |
| 330 | case PixelStorageType::Java: { |
| 331 | JNIEnv* env = jniEnv(); |
| 332 | if (mPixelStorage.java.jstrongRef) { |
| 333 | env->DeleteGlobalRef(mPixelStorage.java.jstrongRef); |
| 334 | mPixelStorage.java.jstrongRef = nullptr; |
| 335 | } |
| 336 | break; |
| 337 | } |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | void Bitmap::getSkBitmap(SkBitmap* outBitmap) { |
| 342 | assertValid(); |
| 343 | android::AutoMutex _lock(mLock); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 344 | // Safe because mPixelRef is a WrappedPixelRef type, otherwise rowBytes() |
| 345 | // would require locking the pixels first. |
| 346 | outBitmap->setInfo(mPixelRef->info(), mPixelRef->rowBytes()); |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 347 | outBitmap->setPixelRef(refPixelRefLocked())->unref(); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 348 | outBitmap->setHasHardwareMipMap(hasHardwareMipMap()); |
| 349 | } |
| 350 | |
| 351 | void Bitmap::assertValid() const { |
| 352 | LOG_ALWAYS_FATAL_IF(mPixelStorageType == PixelStorageType::Invalid, |
| 353 | "Error, cannot access an invalid/free'd bitmap here!"); |
| 354 | } |
| 355 | |
| 356 | } // namespace android |
| 357 | |
| 358 | using namespace android; |
| 359 | |
| 360 | // Convenience class that does not take a global ref on the pixels, relying |
| 361 | // on the caller already having a local JNI ref |
| 362 | class LocalScopedBitmap { |
| 363 | public: |
| 364 | LocalScopedBitmap(jlong bitmapHandle) |
| 365 | : mBitmap(reinterpret_cast<Bitmap*>(bitmapHandle)) {} |
| 366 | |
| 367 | Bitmap* operator->() { |
| 368 | return mBitmap; |
| 369 | } |
| 370 | |
| 371 | void* pixels() { |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 372 | return mBitmap->peekAtPixelRef()->pixels(); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | bool valid() { |
| 376 | return mBitmap && mBitmap->valid(); |
| 377 | } |
| 378 | |
| 379 | private: |
| 380 | Bitmap* mBitmap; |
| 381 | }; |
| 382 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 383 | /////////////////////////////////////////////////////////////////////////////// |
| 384 | // Conversions to/from SkColor, for get/setPixels, and the create method, which |
| 385 | // is basically like setPixels |
| 386 | |
| 387 | typedef void (*FromColorProc)(void* dst, const SkColor src[], int width, |
| 388 | int x, int y); |
| 389 | |
| 390 | static void FromColor_D32(void* dst, const SkColor src[], int width, |
| 391 | int, int) { |
| 392 | SkPMColor* d = (SkPMColor*)dst; |
| 393 | |
| 394 | for (int i = 0; i < width; i++) { |
| 395 | *d++ = SkPreMultiplyColor(*src++); |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | static void FromColor_D32_Raw(void* dst, const SkColor src[], int width, |
| 400 | int, int) { |
Dan Albert | 46d8444 | 2014-11-18 16:07:51 -0800 | [diff] [blame] | 401 | // Needed to thwart the unreachable code detection from clang. |
| 402 | static const bool sk_color_ne_zero = SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER; |
| 403 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 404 | // SkColor's ordering may be different from SkPMColor |
Dan Albert | 46d8444 | 2014-11-18 16:07:51 -0800 | [diff] [blame] | 405 | if (sk_color_ne_zero) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 406 | memcpy(dst, src, width * sizeof(SkColor)); |
| 407 | return; |
| 408 | } |
| 409 | |
| 410 | // order isn't same, repack each pixel manually |
| 411 | SkPMColor* d = (SkPMColor*)dst; |
| 412 | for (int i = 0; i < width; i++) { |
| 413 | SkColor c = *src++; |
| 414 | *d++ = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), |
| 415 | SkColorGetG(c), SkColorGetB(c)); |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | static void FromColor_D565(void* dst, const SkColor src[], int width, |
| 420 | int x, int y) { |
| 421 | uint16_t* d = (uint16_t*)dst; |
| 422 | |
| 423 | DITHER_565_SCAN(y); |
| 424 | for (int stop = x + width; x < stop; x++) { |
| 425 | SkColor c = *src++; |
| 426 | *d++ = SkDitherRGBTo565(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c), |
| 427 | DITHER_VALUE(x)); |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | static void FromColor_D4444(void* dst, const SkColor src[], int width, |
| 432 | int x, int y) { |
| 433 | SkPMColor16* d = (SkPMColor16*)dst; |
| 434 | |
| 435 | DITHER_4444_SCAN(y); |
| 436 | for (int stop = x + width; x < stop; x++) { |
| 437 | SkPMColor pmc = SkPreMultiplyColor(*src++); |
| 438 | *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); |
| 439 | // *d++ = SkPixel32ToPixel4444(pmc); |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | static void FromColor_D4444_Raw(void* dst, const SkColor src[], int width, |
| 444 | int x, int y) { |
| 445 | SkPMColor16* d = (SkPMColor16*)dst; |
| 446 | |
| 447 | DITHER_4444_SCAN(y); |
| 448 | for (int stop = x + width; x < stop; x++) { |
| 449 | SkColor c = *src++; |
| 450 | |
| 451 | // SkPMColor is used because the ordering is ARGB32, even though the target actually premultiplied |
| 452 | SkPMColor pmc = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), |
| 453 | SkColorGetG(c), SkColorGetB(c)); |
| 454 | *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); |
| 455 | // *d++ = SkPixel32ToPixel4444(pmc); |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | // can return NULL |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 460 | static FromColorProc ChooseFromColorProc(const SkBitmap& bitmap) { |
| 461 | switch (bitmap.colorType()) { |
| 462 | case kN32_SkColorType: |
| 463 | return bitmap.alphaType() == kPremul_SkAlphaType ? FromColor_D32 : FromColor_D32_Raw; |
| 464 | case kARGB_4444_SkColorType: |
| 465 | return bitmap.alphaType() == kPremul_SkAlphaType ? FromColor_D4444 : |
| 466 | FromColor_D4444_Raw; |
| 467 | case kRGB_565_SkColorType: |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 468 | return FromColor_D565; |
| 469 | default: |
| 470 | break; |
| 471 | } |
| 472 | return NULL; |
| 473 | } |
| 474 | |
| 475 | bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors, int srcOffset, int srcStride, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 476 | int x, int y, int width, int height, const SkBitmap& dstBitmap) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 477 | SkAutoLockPixels alp(dstBitmap); |
| 478 | void* dst = dstBitmap.getPixels(); |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 479 | FromColorProc proc = ChooseFromColorProc(dstBitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 480 | |
| 481 | if (NULL == dst || NULL == proc) { |
| 482 | return false; |
| 483 | } |
| 484 | |
| 485 | const jint* array = env->GetIntArrayElements(srcColors, NULL); |
| 486 | const SkColor* src = (const SkColor*)array + srcOffset; |
| 487 | |
| 488 | // reset to to actual choice from caller |
| 489 | dst = dstBitmap.getAddr(x, y); |
| 490 | // now copy/convert each scanline |
| 491 | for (int y = 0; y < height; y++) { |
| 492 | proc(dst, src, width, x, y); |
| 493 | src += srcStride; |
| 494 | dst = (char*)dst + dstBitmap.rowBytes(); |
| 495 | } |
| 496 | |
| 497 | dstBitmap.notifyPixelsChanged(); |
| 498 | |
| 499 | env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array), |
| 500 | JNI_ABORT); |
| 501 | return true; |
| 502 | } |
| 503 | |
| 504 | //////////////////// ToColor procs |
| 505 | |
| 506 | typedef void (*ToColorProc)(SkColor dst[], const void* src, int width, |
| 507 | SkColorTable*); |
| 508 | |
| 509 | static void ToColor_S32_Alpha(SkColor dst[], const void* src, int width, |
| 510 | SkColorTable*) { |
| 511 | SkASSERT(width > 0); |
| 512 | const SkPMColor* s = (const SkPMColor*)src; |
| 513 | do { |
| 514 | *dst++ = SkUnPreMultiply::PMColorToColor(*s++); |
| 515 | } while (--width != 0); |
| 516 | } |
| 517 | |
| 518 | static void ToColor_S32_Raw(SkColor dst[], const void* src, int width, |
| 519 | SkColorTable*) { |
| 520 | SkASSERT(width > 0); |
| 521 | const SkPMColor* s = (const SkPMColor*)src; |
| 522 | do { |
| 523 | SkPMColor c = *s++; |
| 524 | *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| 525 | SkGetPackedG32(c), SkGetPackedB32(c)); |
| 526 | } while (--width != 0); |
| 527 | } |
| 528 | |
| 529 | static void ToColor_S32_Opaque(SkColor dst[], const void* src, int width, |
| 530 | SkColorTable*) { |
| 531 | SkASSERT(width > 0); |
| 532 | const SkPMColor* s = (const SkPMColor*)src; |
| 533 | do { |
| 534 | SkPMColor c = *s++; |
| 535 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| 536 | SkGetPackedB32(c)); |
| 537 | } while (--width != 0); |
| 538 | } |
| 539 | |
| 540 | static void ToColor_S4444_Alpha(SkColor dst[], const void* src, int width, |
| 541 | SkColorTable*) { |
| 542 | SkASSERT(width > 0); |
| 543 | const SkPMColor16* s = (const SkPMColor16*)src; |
| 544 | do { |
| 545 | *dst++ = SkUnPreMultiply::PMColorToColor(SkPixel4444ToPixel32(*s++)); |
| 546 | } while (--width != 0); |
| 547 | } |
| 548 | |
| 549 | static void ToColor_S4444_Raw(SkColor dst[], const void* src, int width, |
| 550 | SkColorTable*) { |
| 551 | SkASSERT(width > 0); |
| 552 | const SkPMColor16* s = (const SkPMColor16*)src; |
| 553 | do { |
| 554 | SkPMColor c = SkPixel4444ToPixel32(*s++); |
| 555 | *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| 556 | SkGetPackedG32(c), SkGetPackedB32(c)); |
| 557 | } while (--width != 0); |
| 558 | } |
| 559 | |
| 560 | static void ToColor_S4444_Opaque(SkColor dst[], const void* src, int width, |
| 561 | SkColorTable*) { |
| 562 | SkASSERT(width > 0); |
| 563 | const SkPMColor16* s = (const SkPMColor16*)src; |
| 564 | do { |
| 565 | SkPMColor c = SkPixel4444ToPixel32(*s++); |
| 566 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| 567 | SkGetPackedB32(c)); |
| 568 | } while (--width != 0); |
| 569 | } |
| 570 | |
| 571 | static void ToColor_S565(SkColor dst[], const void* src, int width, |
| 572 | SkColorTable*) { |
| 573 | SkASSERT(width > 0); |
| 574 | const uint16_t* s = (const uint16_t*)src; |
| 575 | do { |
| 576 | uint16_t c = *s++; |
| 577 | *dst++ = SkColorSetRGB(SkPacked16ToR32(c), SkPacked16ToG32(c), |
| 578 | SkPacked16ToB32(c)); |
| 579 | } while (--width != 0); |
| 580 | } |
| 581 | |
| 582 | static void ToColor_SI8_Alpha(SkColor dst[], const void* src, int width, |
| 583 | SkColorTable* ctable) { |
| 584 | SkASSERT(width > 0); |
| 585 | const uint8_t* s = (const uint8_t*)src; |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 586 | const SkPMColor* colors = ctable->readColors(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 587 | do { |
| 588 | *dst++ = SkUnPreMultiply::PMColorToColor(colors[*s++]); |
| 589 | } while (--width != 0); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 590 | } |
| 591 | |
| 592 | static void ToColor_SI8_Raw(SkColor dst[], const void* src, int width, |
| 593 | SkColorTable* ctable) { |
| 594 | SkASSERT(width > 0); |
| 595 | const uint8_t* s = (const uint8_t*)src; |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 596 | const SkPMColor* colors = ctable->readColors(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 597 | do { |
| 598 | SkPMColor c = colors[*s++]; |
| 599 | *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| 600 | SkGetPackedG32(c), SkGetPackedB32(c)); |
| 601 | } while (--width != 0); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 602 | } |
| 603 | |
| 604 | static void ToColor_SI8_Opaque(SkColor dst[], const void* src, int width, |
| 605 | SkColorTable* ctable) { |
| 606 | SkASSERT(width > 0); |
| 607 | const uint8_t* s = (const uint8_t*)src; |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 608 | const SkPMColor* colors = ctable->readColors(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 609 | do { |
| 610 | SkPMColor c = colors[*s++]; |
| 611 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| 612 | SkGetPackedB32(c)); |
| 613 | } while (--width != 0); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 614 | } |
| 615 | |
| 616 | // can return NULL |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 617 | static ToColorProc ChooseToColorProc(const SkBitmap& src) { |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 618 | switch (src.colorType()) { |
| 619 | case kN32_SkColorType: |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 620 | switch (src.alphaType()) { |
| 621 | case kOpaque_SkAlphaType: |
| 622 | return ToColor_S32_Opaque; |
| 623 | case kPremul_SkAlphaType: |
| 624 | return ToColor_S32_Alpha; |
| 625 | case kUnpremul_SkAlphaType: |
| 626 | return ToColor_S32_Raw; |
| 627 | default: |
| 628 | return NULL; |
| 629 | } |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 630 | case kARGB_4444_SkColorType: |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 631 | switch (src.alphaType()) { |
| 632 | case kOpaque_SkAlphaType: |
| 633 | return ToColor_S4444_Opaque; |
| 634 | case kPremul_SkAlphaType: |
| 635 | return ToColor_S4444_Alpha; |
| 636 | case kUnpremul_SkAlphaType: |
| 637 | return ToColor_S4444_Raw; |
| 638 | default: |
| 639 | return NULL; |
| 640 | } |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 641 | case kRGB_565_SkColorType: |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 642 | return ToColor_S565; |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 643 | case kIndex_8_SkColorType: |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 644 | if (src.getColorTable() == NULL) { |
| 645 | return NULL; |
| 646 | } |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 647 | switch (src.alphaType()) { |
| 648 | case kOpaque_SkAlphaType: |
| 649 | return ToColor_SI8_Opaque; |
| 650 | case kPremul_SkAlphaType: |
| 651 | return ToColor_SI8_Alpha; |
| 652 | case kUnpremul_SkAlphaType: |
| 653 | return ToColor_SI8_Raw; |
| 654 | default: |
| 655 | return NULL; |
| 656 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 657 | default: |
| 658 | break; |
| 659 | } |
| 660 | return NULL; |
| 661 | } |
| 662 | |
| 663 | /////////////////////////////////////////////////////////////////////////////// |
| 664 | /////////////////////////////////////////////////////////////////////////////// |
| 665 | |
| 666 | static int getPremulBitmapCreateFlags(bool isMutable) { |
| 667 | int flags = GraphicsJNI::kBitmapCreateFlag_Premultiplied; |
| 668 | if (isMutable) flags |= GraphicsJNI::kBitmapCreateFlag_Mutable; |
| 669 | return flags; |
| 670 | } |
| 671 | |
| 672 | static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors, |
| 673 | jint offset, jint stride, jint width, jint height, |
| 674 | jint configHandle, jboolean isMutable) { |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 675 | SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 676 | if (NULL != jColors) { |
| 677 | size_t n = env->GetArrayLength(jColors); |
| 678 | if (n < SkAbs32(stride) * (size_t)height) { |
| 679 | doThrowAIOOBE(env); |
| 680 | return NULL; |
| 681 | } |
| 682 | } |
| 683 | |
| 684 | // ARGB_4444 is a deprecated format, convert automatically to 8888 |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 685 | if (colorType == kARGB_4444_SkColorType) { |
| 686 | colorType = kN32_SkColorType; |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 687 | } |
| 688 | |
| 689 | SkBitmap bitmap; |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 690 | bitmap.setInfo(SkImageInfo::Make(width, height, colorType, kPremul_SkAlphaType)); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 691 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 692 | Bitmap* nativeBitmap = GraphicsJNI::allocateJavaPixelRef(env, &bitmap, NULL); |
| 693 | if (!nativeBitmap) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 694 | return NULL; |
| 695 | } |
| 696 | |
| 697 | if (jColors != NULL) { |
| 698 | GraphicsJNI::SetPixels(env, jColors, offset, stride, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 699 | 0, 0, width, height, bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 700 | } |
| 701 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 702 | return GraphicsJNI::createBitmap(env, nativeBitmap, |
| 703 | getPremulBitmapCreateFlags(isMutable)); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 704 | } |
| 705 | |
| 706 | static jobject Bitmap_copy(JNIEnv* env, jobject, jlong srcHandle, |
| 707 | jint dstConfigHandle, jboolean isMutable) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 708 | SkBitmap src; |
| 709 | reinterpret_cast<Bitmap*>(srcHandle)->getSkBitmap(&src); |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 710 | SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 711 | SkBitmap result; |
| 712 | JavaPixelAllocator allocator(env); |
| 713 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 714 | if (!src.copyTo(&result, dstCT, &allocator)) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 715 | return NULL; |
| 716 | } |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 717 | Bitmap* bitmap = allocator.getStorageObjAndReset(); |
| 718 | return GraphicsJNI::createBitmap(env, bitmap, |
| 719 | getPremulBitmapCreateFlags(isMutable)); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 720 | } |
| 721 | |
Riley Andrews | 721ae5f | 2015-05-11 16:08:22 -0700 | [diff] [blame^] | 722 | static jobject Bitmap_copyAshmem(JNIEnv* env, jobject, jlong srcHandle) { |
| 723 | SkBitmap src; |
| 724 | reinterpret_cast<Bitmap*>(srcHandle)->getSkBitmap(&src); |
| 725 | SkBitmap result; |
| 726 | |
| 727 | AshmemPixelAllocator allocator(env); |
| 728 | if (!src.copyTo(&result, &allocator)) { |
| 729 | return NULL; |
| 730 | } |
| 731 | Bitmap* bitmap = allocator.getStorageObjAndReset(); |
| 732 | bitmap->peekAtPixelRef()->setImmutable(); |
| 733 | jobject ret = GraphicsJNI::createBitmap(env, bitmap, getPremulBitmapCreateFlags(false)); |
| 734 | return ret; |
| 735 | } |
| 736 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 737 | static void Bitmap_destructor(JNIEnv* env, jobject, jlong bitmapHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 738 | LocalScopedBitmap bitmap(bitmapHandle); |
| 739 | bitmap->detachFromJava(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 740 | } |
| 741 | |
| 742 | static jboolean Bitmap_recycle(JNIEnv* env, jobject, jlong bitmapHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 743 | LocalScopedBitmap bitmap(bitmapHandle); |
| 744 | bitmap->freePixels(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 745 | return JNI_TRUE; |
| 746 | } |
| 747 | |
| 748 | static void Bitmap_reconfigure(JNIEnv* env, jobject clazz, jlong bitmapHandle, |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 749 | jint width, jint height, jint configHandle, jint allocSize, |
| 750 | jboolean requestPremul) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 751 | LocalScopedBitmap bitmap(bitmapHandle); |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 752 | SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 753 | |
| 754 | // ARGB_4444 is a deprecated format, convert automatically to 8888 |
| 755 | if (colorType == kARGB_4444_SkColorType) { |
| 756 | colorType = kN32_SkColorType; |
| 757 | } |
| 758 | |
| 759 | if (width * height * SkColorTypeBytesPerPixel(colorType) > allocSize) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 760 | // done in native as there's no way to get BytesPerPixel in Java |
| 761 | doThrowIAE(env, "Bitmap not large enough to support new configuration"); |
| 762 | return; |
| 763 | } |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 764 | SkAlphaType alphaType; |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 765 | if (bitmap->info().colorType() != kRGB_565_SkColorType |
| 766 | && bitmap->info().alphaType() == kOpaque_SkAlphaType) { |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 767 | // If the original bitmap was set to opaque, keep that setting, unless it |
| 768 | // was 565, which is required to be opaque. |
| 769 | alphaType = kOpaque_SkAlphaType; |
| 770 | } else { |
| 771 | // Otherwise respect the premultiplied request. |
| 772 | alphaType = requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType; |
| 773 | } |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 774 | bitmap->reconfigure(SkImageInfo::Make(width, height, colorType, alphaType)); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 775 | } |
| 776 | |
| 777 | // These must match the int values in Bitmap.java |
| 778 | enum JavaEncodeFormat { |
| 779 | kJPEG_JavaEncodeFormat = 0, |
| 780 | kPNG_JavaEncodeFormat = 1, |
| 781 | kWEBP_JavaEncodeFormat = 2 |
| 782 | }; |
| 783 | |
| 784 | static jboolean Bitmap_compress(JNIEnv* env, jobject clazz, jlong bitmapHandle, |
| 785 | jint format, jint quality, |
| 786 | jobject jstream, jbyteArray jstorage) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 787 | |
| 788 | LocalScopedBitmap bitmap(bitmapHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 789 | SkImageEncoder::Type fm; |
| 790 | |
| 791 | switch (format) { |
| 792 | case kJPEG_JavaEncodeFormat: |
| 793 | fm = SkImageEncoder::kJPEG_Type; |
| 794 | break; |
| 795 | case kPNG_JavaEncodeFormat: |
| 796 | fm = SkImageEncoder::kPNG_Type; |
| 797 | break; |
| 798 | case kWEBP_JavaEncodeFormat: |
| 799 | fm = SkImageEncoder::kWEBP_Type; |
| 800 | break; |
| 801 | default: |
| 802 | return JNI_FALSE; |
| 803 | } |
| 804 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 805 | if (!bitmap.valid()) { |
| 806 | return JNI_FALSE; |
| 807 | } |
| 808 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 809 | bool success = false; |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 810 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 811 | std::unique_ptr<SkWStream> strm(CreateJavaOutputStreamAdaptor(env, jstream, jstorage)); |
| 812 | if (!strm.get()) { |
| 813 | return JNI_FALSE; |
| 814 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 815 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 816 | std::unique_ptr<SkImageEncoder> encoder(SkImageEncoder::Create(fm)); |
| 817 | if (encoder.get()) { |
| 818 | SkBitmap skbitmap; |
| 819 | bitmap->getSkBitmap(&skbitmap); |
| 820 | success = encoder->encodeStream(strm.get(), skbitmap, quality); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 821 | } |
| 822 | return success ? JNI_TRUE : JNI_FALSE; |
| 823 | } |
| 824 | |
| 825 | static void Bitmap_erase(JNIEnv* env, jobject, jlong bitmapHandle, jint color) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 826 | LocalScopedBitmap bitmap(bitmapHandle); |
| 827 | SkBitmap skBitmap; |
| 828 | bitmap->getSkBitmap(&skBitmap); |
| 829 | skBitmap.eraseColor(color); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 830 | } |
| 831 | |
| 832 | static jint Bitmap_rowBytes(JNIEnv* env, jobject, jlong bitmapHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 833 | LocalScopedBitmap bitmap(bitmapHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 834 | return static_cast<jint>(bitmap->rowBytes()); |
| 835 | } |
| 836 | |
| 837 | static jint Bitmap_config(JNIEnv* env, jobject, jlong bitmapHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 838 | LocalScopedBitmap bitmap(bitmapHandle); |
| 839 | return GraphicsJNI::colorTypeToLegacyBitmapConfig(bitmap->info().colorType()); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 840 | } |
| 841 | |
| 842 | static jint Bitmap_getGenerationId(JNIEnv* env, jobject, jlong bitmapHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 843 | LocalScopedBitmap bitmap(bitmapHandle); |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 844 | return static_cast<jint>(bitmap->peekAtPixelRef()->getGenerationID()); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 845 | } |
| 846 | |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 847 | static jboolean Bitmap_isPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 848 | LocalScopedBitmap bitmap(bitmapHandle); |
| 849 | if (bitmap->info().alphaType() == kPremul_SkAlphaType) { |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 850 | return JNI_TRUE; |
| 851 | } |
| 852 | return JNI_FALSE; |
| 853 | } |
| 854 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 855 | static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, jlong bitmapHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 856 | LocalScopedBitmap bitmap(bitmapHandle); |
| 857 | return !bitmap->info().isOpaque() ? JNI_TRUE : JNI_FALSE; |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 858 | } |
| 859 | |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 860 | static void Bitmap_setHasAlpha(JNIEnv* env, jobject, jlong bitmapHandle, |
| 861 | jboolean hasAlpha, jboolean requestPremul) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 862 | LocalScopedBitmap bitmap(bitmapHandle); |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 863 | if (hasAlpha) { |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 864 | bitmap->peekAtPixelRef()->changeAlphaType( |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 865 | requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 866 | } else { |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 867 | bitmap->peekAtPixelRef()->changeAlphaType(kOpaque_SkAlphaType); |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 868 | } |
| 869 | } |
| 870 | |
| 871 | static void Bitmap_setPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle, |
| 872 | jboolean isPremul) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 873 | LocalScopedBitmap bitmap(bitmapHandle); |
| 874 | if (!bitmap->info().isOpaque()) { |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 875 | if (isPremul) { |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 876 | bitmap->peekAtPixelRef()->changeAlphaType(kPremul_SkAlphaType); |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 877 | } else { |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 878 | bitmap->peekAtPixelRef()->changeAlphaType(kUnpremul_SkAlphaType); |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 879 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 880 | } |
| 881 | } |
| 882 | |
| 883 | static jboolean Bitmap_hasMipMap(JNIEnv* env, jobject, jlong bitmapHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 884 | LocalScopedBitmap bitmap(bitmapHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 885 | return bitmap->hasHardwareMipMap() ? JNI_TRUE : JNI_FALSE; |
| 886 | } |
| 887 | |
| 888 | static void Bitmap_setHasMipMap(JNIEnv* env, jobject, jlong bitmapHandle, |
| 889 | jboolean hasMipMap) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 890 | LocalScopedBitmap bitmap(bitmapHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 891 | bitmap->setHasHardwareMipMap(hasMipMap); |
| 892 | } |
| 893 | |
| 894 | /////////////////////////////////////////////////////////////////////////////// |
| 895 | |
| 896 | static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) { |
| 897 | if (parcel == NULL) { |
| 898 | SkDebugf("-------- unparcel parcel is NULL\n"); |
| 899 | return NULL; |
| 900 | } |
| 901 | |
| 902 | android::Parcel* p = android::parcelForJavaObject(env, parcel); |
| 903 | |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 904 | const bool isMutable = p->readInt32() != 0; |
| 905 | const SkColorType colorType = (SkColorType)p->readInt32(); |
| 906 | const SkAlphaType alphaType = (SkAlphaType)p->readInt32(); |
| 907 | const int width = p->readInt32(); |
| 908 | const int height = p->readInt32(); |
| 909 | const int rowBytes = p->readInt32(); |
| 910 | const int density = p->readInt32(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 911 | |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 912 | if (kN32_SkColorType != colorType && |
| 913 | kRGB_565_SkColorType != colorType && |
| 914 | kARGB_4444_SkColorType != colorType && |
| 915 | kIndex_8_SkColorType != colorType && |
| 916 | kAlpha_8_SkColorType != colorType) { |
| 917 | SkDebugf("Bitmap_createFromParcel unknown colortype: %d\n", colorType); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 918 | return NULL; |
| 919 | } |
| 920 | |
Leon Scroggins III | ec419e0 | 2015-03-11 13:12:06 -0400 | [diff] [blame] | 921 | std::unique_ptr<SkBitmap> bitmap(new SkBitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 922 | |
Leon Scroggins III | ec419e0 | 2015-03-11 13:12:06 -0400 | [diff] [blame] | 923 | if (!bitmap->setInfo(SkImageInfo::Make(width, height, colorType, alphaType), rowBytes)) { |
| 924 | return NULL; |
| 925 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 926 | |
| 927 | SkColorTable* ctable = NULL; |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 928 | if (colorType == kIndex_8_SkColorType) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 929 | int count = p->readInt32(); |
Leon Scroggins III | ec419e0 | 2015-03-11 13:12:06 -0400 | [diff] [blame] | 930 | if (count < 0 || count > 256) { |
| 931 | // The data is corrupt, since SkColorTable enforces a value between 0 and 256, |
| 932 | // inclusive. |
| 933 | return NULL; |
| 934 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 935 | if (count > 0) { |
| 936 | size_t size = count * sizeof(SkPMColor); |
| 937 | const SkPMColor* src = (const SkPMColor*)p->readInplace(size); |
Leon Scroggins III | ec419e0 | 2015-03-11 13:12:06 -0400 | [diff] [blame] | 938 | if (src == NULL) { |
| 939 | return NULL; |
| 940 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 941 | ctable = new SkColorTable(src, count); |
| 942 | } |
| 943 | } |
| 944 | |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 945 | int fd = p->readFileDescriptor(); |
| 946 | int dupFd = dup(fd); |
| 947 | if (dupFd < 0) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 948 | SkSafeUnref(ctable); |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 949 | doThrowRE(env, "Could not dup parcel fd."); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 950 | return NULL; |
| 951 | } |
| 952 | |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 953 | bool readOnlyMapping = !isMutable; |
| 954 | Bitmap* nativeBitmap = GraphicsJNI::mapAshmemPixelRef(env, bitmap.get(), |
| 955 | ctable, dupFd, readOnlyMapping); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 956 | SkSafeUnref(ctable); |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 957 | if (!nativeBitmap) { |
| 958 | close(dupFd); |
| 959 | doThrowRE(env, "Could not allocate ashmem pixel ref."); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 960 | return NULL; |
| 961 | } |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 962 | bitmap->pixelRef()->setImmutable(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 963 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 964 | return GraphicsJNI::createBitmap(env, nativeBitmap, |
Leon Scroggins III | ec419e0 | 2015-03-11 13:12:06 -0400 | [diff] [blame] | 965 | getPremulBitmapCreateFlags(isMutable), NULL, NULL, density); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 966 | } |
| 967 | |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 968 | class Ashmem { |
| 969 | public: |
| 970 | Ashmem(size_t sz, bool removeWritePerm) : mSize(sz) { |
| 971 | int fd = -1; |
| 972 | void *addr = nullptr; |
| 973 | |
| 974 | // Create new ashmem region with read/write priv |
| 975 | fd = ashmem_create_region("bitmap", sz); |
| 976 | if (fd < 0) { |
| 977 | goto error; |
| 978 | } |
| 979 | addr = mmap(nullptr, sz, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); |
| 980 | if (addr == MAP_FAILED) { |
| 981 | goto error; |
| 982 | } |
| 983 | // If requested, remove the ability to make additional writeable to |
| 984 | // this memory. |
| 985 | if (removeWritePerm) { |
| 986 | if (ashmem_set_prot_region(fd, PROT_READ) < 0) { |
| 987 | goto error; |
| 988 | } |
| 989 | } |
| 990 | mFd = fd; |
| 991 | mPtr = addr; |
| 992 | return; |
| 993 | error: |
| 994 | if (fd >= 0) { |
| 995 | close(fd); |
| 996 | } |
| 997 | if (addr) { |
| 998 | munmap(addr, sz); |
| 999 | } |
| 1000 | } |
| 1001 | ~Ashmem() { |
| 1002 | if (mPtr) { |
| 1003 | close(mFd); |
| 1004 | munmap(mPtr, mSize); |
| 1005 | } |
| 1006 | } |
| 1007 | void *getPtr() const { return mPtr; } |
| 1008 | int getFd() const { return mFd; } |
| 1009 | private: |
| 1010 | int mFd = -1; |
| 1011 | int mSize; |
| 1012 | void* mPtr = nullptr; |
| 1013 | }; |
| 1014 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1015 | static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject, |
| 1016 | jlong bitmapHandle, |
| 1017 | jboolean isMutable, jint density, |
| 1018 | jobject parcel) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1019 | if (parcel == NULL) { |
| 1020 | SkDebugf("------- writeToParcel null parcel\n"); |
| 1021 | return JNI_FALSE; |
| 1022 | } |
| 1023 | |
| 1024 | android::Parcel* p = android::parcelForJavaObject(env, parcel); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1025 | SkBitmap bitmap; |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 1026 | |
| 1027 | android::Bitmap* androidBitmap = reinterpret_cast<Bitmap*>(bitmapHandle); |
| 1028 | androidBitmap->getSkBitmap(&bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1029 | |
| 1030 | p->writeInt32(isMutable); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1031 | p->writeInt32(bitmap.colorType()); |
| 1032 | p->writeInt32(bitmap.alphaType()); |
| 1033 | p->writeInt32(bitmap.width()); |
| 1034 | p->writeInt32(bitmap.height()); |
| 1035 | p->writeInt32(bitmap.rowBytes()); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1036 | p->writeInt32(density); |
| 1037 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1038 | if (bitmap.colorType() == kIndex_8_SkColorType) { |
| 1039 | SkColorTable* ctable = bitmap.getColorTable(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1040 | if (ctable != NULL) { |
| 1041 | int count = ctable->count(); |
| 1042 | p->writeInt32(count); |
| 1043 | memcpy(p->writeInplace(count * sizeof(SkPMColor)), |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 1044 | ctable->readColors(), count * sizeof(SkPMColor)); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1045 | } else { |
| 1046 | p->writeInt32(0); // indicate no ctable |
| 1047 | } |
| 1048 | } |
| 1049 | |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 1050 | bool ashmemSrc = androidBitmap->getAshmemFd() >= 0; |
| 1051 | if (ashmemSrc && !isMutable) { |
| 1052 | p->writeDupFileDescriptor(androidBitmap->getAshmemFd()); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1053 | } else { |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 1054 | Ashmem dstAshmem(bitmap.getSize(), !isMutable); |
| 1055 | if (!dstAshmem.getPtr()) { |
| 1056 | doThrowRE(env, "Could not allocate ashmem for new bitmap."); |
| 1057 | return JNI_FALSE; |
| 1058 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1059 | |
Riley Andrews | 39d7f30 | 2014-11-13 17:43:25 -0800 | [diff] [blame] | 1060 | bitmap.lockPixels(); |
| 1061 | const void* pSrc = bitmap.getPixels(); |
| 1062 | if (pSrc == NULL) { |
| 1063 | memset(dstAshmem.getPtr(), 0, bitmap.getSize()); |
| 1064 | } else { |
| 1065 | memcpy(dstAshmem.getPtr(), pSrc, bitmap.getSize()); |
| 1066 | } |
| 1067 | bitmap.unlockPixels(); |
| 1068 | p->writeDupFileDescriptor(dstAshmem.getFd()); |
| 1069 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1070 | return JNI_TRUE; |
| 1071 | } |
| 1072 | |
| 1073 | static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz, |
| 1074 | jlong srcHandle, jlong paintHandle, |
| 1075 | jintArray offsetXY) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1076 | SkBitmap src; |
| 1077 | reinterpret_cast<Bitmap*>(srcHandle)->getSkBitmap(&src); |
Behdad Esfahbod | 6ba30b8 | 2014-07-15 16:22:32 -0400 | [diff] [blame] | 1078 | const android::Paint* paint = reinterpret_cast<android::Paint*>(paintHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1079 | SkIPoint offset; |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1080 | SkBitmap dst; |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1081 | JavaPixelAllocator allocator(env); |
| 1082 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1083 | src.extractAlpha(&dst, paint, &allocator, &offset); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1084 | // If Skia can't allocate pixels for destination bitmap, it resets |
| 1085 | // it, that is set its pixels buffer to NULL, and zero width and height. |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1086 | if (dst.getPixels() == NULL && src.getPixels() != NULL) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1087 | doThrowOOME(env, "failed to allocate pixels for alpha"); |
| 1088 | return NULL; |
| 1089 | } |
| 1090 | if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) { |
| 1091 | int* array = env->GetIntArrayElements(offsetXY, NULL); |
| 1092 | array[0] = offset.fX; |
| 1093 | array[1] = offset.fY; |
| 1094 | env->ReleaseIntArrayElements(offsetXY, array, 0); |
| 1095 | } |
| 1096 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1097 | return GraphicsJNI::createBitmap(env, allocator.getStorageObjAndReset(), |
| 1098 | getPremulBitmapCreateFlags(true)); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1099 | } |
| 1100 | |
| 1101 | /////////////////////////////////////////////////////////////////////////////// |
| 1102 | |
| 1103 | static jint Bitmap_getPixel(JNIEnv* env, jobject, jlong bitmapHandle, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 1104 | jint x, jint y) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1105 | SkBitmap bitmap; |
| 1106 | reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); |
| 1107 | SkAutoLockPixels alp(bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1108 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1109 | ToColorProc proc = ChooseToColorProc(bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1110 | if (NULL == proc) { |
| 1111 | return 0; |
| 1112 | } |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1113 | const void* src = bitmap.getAddr(x, y); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1114 | if (NULL == src) { |
| 1115 | return 0; |
| 1116 | } |
| 1117 | |
| 1118 | SkColor dst[1]; |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1119 | proc(dst, src, 1, bitmap.getColorTable()); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1120 | return static_cast<jint>(dst[0]); |
| 1121 | } |
| 1122 | |
| 1123 | static void Bitmap_getPixels(JNIEnv* env, jobject, jlong bitmapHandle, |
| 1124 | jintArray pixelArray, jint offset, jint stride, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 1125 | jint x, jint y, jint width, jint height) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1126 | SkBitmap bitmap; |
| 1127 | reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); |
| 1128 | SkAutoLockPixels alp(bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1129 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1130 | ToColorProc proc = ChooseToColorProc(bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1131 | if (NULL == proc) { |
| 1132 | return; |
| 1133 | } |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1134 | const void* src = bitmap.getAddr(x, y); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1135 | if (NULL == src) { |
| 1136 | return; |
| 1137 | } |
| 1138 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1139 | SkColorTable* ctable = bitmap.getColorTable(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1140 | jint* dst = env->GetIntArrayElements(pixelArray, NULL); |
| 1141 | SkColor* d = (SkColor*)dst + offset; |
| 1142 | while (--height >= 0) { |
| 1143 | proc(d, src, width, ctable); |
| 1144 | d += stride; |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1145 | src = (void*)((const char*)src + bitmap.rowBytes()); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1146 | } |
| 1147 | env->ReleaseIntArrayElements(pixelArray, dst, 0); |
| 1148 | } |
| 1149 | |
| 1150 | /////////////////////////////////////////////////////////////////////////////// |
| 1151 | |
| 1152 | static void Bitmap_setPixel(JNIEnv* env, jobject, jlong bitmapHandle, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 1153 | jint x, jint y, jint colorHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1154 | SkBitmap bitmap; |
| 1155 | reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1156 | SkColor color = static_cast<SkColor>(colorHandle); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1157 | SkAutoLockPixels alp(bitmap); |
| 1158 | if (NULL == bitmap.getPixels()) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1159 | return; |
| 1160 | } |
| 1161 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1162 | FromColorProc proc = ChooseFromColorProc(bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1163 | if (NULL == proc) { |
| 1164 | return; |
| 1165 | } |
| 1166 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1167 | proc(bitmap.getAddr(x, y), &color, 1, x, y); |
| 1168 | bitmap.notifyPixelsChanged(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1169 | } |
| 1170 | |
| 1171 | static void Bitmap_setPixels(JNIEnv* env, jobject, jlong bitmapHandle, |
| 1172 | jintArray pixelArray, jint offset, jint stride, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 1173 | jint x, jint y, jint width, jint height) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1174 | SkBitmap bitmap; |
| 1175 | reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1176 | GraphicsJNI::SetPixels(env, pixelArray, offset, stride, |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1177 | x, y, width, height, bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1178 | } |
| 1179 | |
| 1180 | static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject, |
| 1181 | jlong bitmapHandle, jobject jbuffer) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1182 | SkBitmap bitmap; |
| 1183 | reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); |
| 1184 | SkAutoLockPixels alp(bitmap); |
| 1185 | const void* src = bitmap.getPixels(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1186 | |
| 1187 | if (NULL != src) { |
| 1188 | android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE); |
| 1189 | |
| 1190 | // the java side has already checked that buffer is large enough |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1191 | memcpy(abp.pointer(), src, bitmap.getSize()); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1192 | } |
| 1193 | } |
| 1194 | |
| 1195 | static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject, |
| 1196 | jlong bitmapHandle, jobject jbuffer) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1197 | SkBitmap bitmap; |
| 1198 | reinterpret_cast<Bitmap*>(bitmapHandle)->getSkBitmap(&bitmap); |
| 1199 | SkAutoLockPixels alp(bitmap); |
| 1200 | void* dst = bitmap.getPixels(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1201 | |
| 1202 | if (NULL != dst) { |
| 1203 | android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE); |
| 1204 | // the java side has already checked that buffer is large enough |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1205 | memcpy(dst, abp.pointer(), bitmap.getSize()); |
| 1206 | bitmap.notifyPixelsChanged(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1207 | } |
| 1208 | } |
| 1209 | |
| 1210 | static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle, |
| 1211 | jlong bm1Handle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1212 | SkBitmap bm0; |
| 1213 | SkBitmap bm1; |
| 1214 | reinterpret_cast<Bitmap*>(bm0Handle)->getSkBitmap(&bm0); |
| 1215 | reinterpret_cast<Bitmap*>(bm1Handle)->getSkBitmap(&bm1); |
| 1216 | if (bm0.width() != bm1.width() || |
| 1217 | bm0.height() != bm1.height() || |
| 1218 | bm0.colorType() != bm1.colorType()) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1219 | return JNI_FALSE; |
| 1220 | } |
| 1221 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1222 | SkAutoLockPixels alp0(bm0); |
| 1223 | SkAutoLockPixels alp1(bm1); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1224 | |
| 1225 | // if we can't load the pixels, return false |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1226 | if (NULL == bm0.getPixels() || NULL == bm1.getPixels()) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1227 | return JNI_FALSE; |
| 1228 | } |
| 1229 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1230 | if (bm0.colorType() == kIndex_8_SkColorType) { |
| 1231 | SkColorTable* ct0 = bm0.getColorTable(); |
| 1232 | SkColorTable* ct1 = bm1.getColorTable(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1233 | if (NULL == ct0 || NULL == ct1) { |
| 1234 | return JNI_FALSE; |
| 1235 | } |
| 1236 | if (ct0->count() != ct1->count()) { |
| 1237 | return JNI_FALSE; |
| 1238 | } |
| 1239 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1240 | const size_t size = ct0->count() * sizeof(SkPMColor); |
Mike Reed | 71487eb | 2014-11-19 16:13:20 -0500 | [diff] [blame] | 1241 | if (memcmp(ct0->readColors(), ct1->readColors(), size) != 0) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1242 | return JNI_FALSE; |
| 1243 | } |
| 1244 | } |
| 1245 | |
| 1246 | // now compare each scanline. We can't do the entire buffer at once, |
| 1247 | // since we don't care about the pixel values that might extend beyond |
| 1248 | // the width (since the scanline might be larger than the logical width) |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1249 | const int h = bm0.height(); |
| 1250 | const size_t size = bm0.width() * bm0.bytesPerPixel(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1251 | for (int y = 0; y < h; y++) { |
henry.uh_chen | 53001ca | 2014-07-03 20:40:22 +0800 | [diff] [blame] | 1252 | // SkBitmap::getAddr(int, int) may return NULL due to unrecognized config |
| 1253 | // (ex: kRLE_Index8_Config). This will cause memcmp method to crash. Since bm0 |
| 1254 | // and bm1 both have pixel data() (have passed NULL == getPixels() check), |
| 1255 | // those 2 bitmaps should be valid (only unrecognized), we return JNI_FALSE |
| 1256 | // to warn user those 2 unrecognized config bitmaps may be different. |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1257 | void *bm0Addr = bm0.getAddr(0, y); |
| 1258 | void *bm1Addr = bm1.getAddr(0, y); |
henry.uh_chen | 53001ca | 2014-07-03 20:40:22 +0800 | [diff] [blame] | 1259 | |
| 1260 | if(bm0Addr == NULL || bm1Addr == NULL) { |
| 1261 | return JNI_FALSE; |
| 1262 | } |
| 1263 | |
| 1264 | if (memcmp(bm0Addr, bm1Addr, size) != 0) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1265 | return JNI_FALSE; |
| 1266 | } |
| 1267 | } |
| 1268 | return JNI_TRUE; |
| 1269 | } |
| 1270 | |
John Reck | c6e2e8f | 2015-04-15 13:24:47 -0700 | [diff] [blame] | 1271 | static jlong Bitmap_refPixelRef(JNIEnv* env, jobject, jlong bitmapHandle) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 1272 | LocalScopedBitmap bitmap(bitmapHandle); |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 1273 | SkPixelRef* pixelRef = bitmap.valid() ? bitmap->peekAtPixelRef() : nullptr; |
John Reck | c6e2e8f | 2015-04-15 13:24:47 -0700 | [diff] [blame] | 1274 | SkSafeRef(pixelRef); |
| 1275 | return reinterpret_cast<jlong>(pixelRef); |
| 1276 | } |
| 1277 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1278 | /////////////////////////////////////////////////////////////////////////////// |
| 1279 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1280 | static JNINativeMethod gBitmapMethods[] = { |
| 1281 | { "nativeCreate", "([IIIIIIZ)Landroid/graphics/Bitmap;", |
| 1282 | (void*)Bitmap_creator }, |
| 1283 | { "nativeCopy", "(JIZ)Landroid/graphics/Bitmap;", |
| 1284 | (void*)Bitmap_copy }, |
Riley Andrews | 721ae5f | 2015-05-11 16:08:22 -0700 | [diff] [blame^] | 1285 | { "nativeCopyAshmem", "(J)Landroid/graphics/Bitmap;", |
| 1286 | (void*)Bitmap_copyAshmem }, |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1287 | { "nativeDestructor", "(J)V", (void*)Bitmap_destructor }, |
| 1288 | { "nativeRecycle", "(J)Z", (void*)Bitmap_recycle }, |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 1289 | { "nativeReconfigure", "(JIIIIZ)V", (void*)Bitmap_reconfigure }, |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1290 | { "nativeCompress", "(JIILjava/io/OutputStream;[B)Z", |
| 1291 | (void*)Bitmap_compress }, |
| 1292 | { "nativeErase", "(JI)V", (void*)Bitmap_erase }, |
| 1293 | { "nativeRowBytes", "(J)I", (void*)Bitmap_rowBytes }, |
| 1294 | { "nativeConfig", "(J)I", (void*)Bitmap_config }, |
| 1295 | { "nativeHasAlpha", "(J)Z", (void*)Bitmap_hasAlpha }, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 1296 | { "nativeIsPremultiplied", "(J)Z", (void*)Bitmap_isPremultiplied}, |
| 1297 | { "nativeSetHasAlpha", "(JZZ)V", (void*)Bitmap_setHasAlpha}, |
| 1298 | { "nativeSetPremultiplied", "(JZ)V", (void*)Bitmap_setPremultiplied}, |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1299 | { "nativeHasMipMap", "(J)Z", (void*)Bitmap_hasMipMap }, |
| 1300 | { "nativeSetHasMipMap", "(JZ)V", (void*)Bitmap_setHasMipMap }, |
| 1301 | { "nativeCreateFromParcel", |
| 1302 | "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;", |
| 1303 | (void*)Bitmap_createFromParcel }, |
| 1304 | { "nativeWriteToParcel", "(JZILandroid/os/Parcel;)Z", |
| 1305 | (void*)Bitmap_writeToParcel }, |
| 1306 | { "nativeExtractAlpha", "(JJ[I)Landroid/graphics/Bitmap;", |
| 1307 | (void*)Bitmap_extractAlpha }, |
| 1308 | { "nativeGenerationId", "(J)I", (void*)Bitmap_getGenerationId }, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 1309 | { "nativeGetPixel", "(JII)I", (void*)Bitmap_getPixel }, |
| 1310 | { "nativeGetPixels", "(J[IIIIIII)V", (void*)Bitmap_getPixels }, |
| 1311 | { "nativeSetPixel", "(JIII)V", (void*)Bitmap_setPixel }, |
| 1312 | { "nativeSetPixels", "(J[IIIIIII)V", (void*)Bitmap_setPixels }, |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1313 | { "nativeCopyPixelsToBuffer", "(JLjava/nio/Buffer;)V", |
| 1314 | (void*)Bitmap_copyPixelsToBuffer }, |
| 1315 | { "nativeCopyPixelsFromBuffer", "(JLjava/nio/Buffer;)V", |
| 1316 | (void*)Bitmap_copyPixelsFromBuffer }, |
| 1317 | { "nativeSameAs", "(JJ)Z", (void*)Bitmap_sameAs }, |
John Reck | c6e2e8f | 2015-04-15 13:24:47 -0700 | [diff] [blame] | 1318 | { "nativeRefPixelRef", "(J)J", (void*)Bitmap_refPixelRef }, |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1319 | }; |
| 1320 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1321 | int register_android_graphics_Bitmap(JNIEnv* env) |
| 1322 | { |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 1323 | return android::RegisterMethodsOrDie(env, "android/graphics/Bitmap", gBitmapMethods, |
| 1324 | NELEM(gBitmapMethods)); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1325 | } |