|  | // #define LOG_NDEBUG 0 | 
|  | #include "Bitmap.h" | 
|  |  | 
|  | #include <hwui/Bitmap.h> | 
|  | #include <hwui/Paint.h> | 
|  |  | 
|  | #include "CreateJavaOutputStreamAdaptor.h" | 
|  | #include "Gainmap.h" | 
|  | #include "GraphicsJNI.h" | 
|  | #include "HardwareBufferHelpers.h" | 
|  | #include "ScopedParcel.h" | 
|  | #include "SkBitmap.h" | 
|  | #include "SkBlendMode.h" | 
|  | #include "SkCanvas.h" | 
|  | #include "SkColor.h" | 
|  | #include "SkColorSpace.h" | 
|  | #include "SkData.h" | 
|  | #include "SkImageInfo.h" | 
|  | #include "SkPaint.h" | 
|  | #include "SkPixmap.h" | 
|  | #include "SkPoint.h" | 
|  | #include "SkRefCnt.h" | 
|  | #include "SkStream.h" | 
|  | #include "SkTypes.h" | 
|  | #include "android_nio_utils.h" | 
|  |  | 
|  | #ifdef __ANDROID__ // Layoutlib does not support graphic buffer, parcel or render thread | 
|  | #include <android-base/unique_fd.h> | 
|  | #include <renderthread/RenderProxy.h> | 
|  | #endif | 
|  |  | 
|  | #include <inttypes.h> | 
|  | #include <string.h> | 
|  |  | 
|  | #include <memory> | 
|  |  | 
|  | #define DEBUG_PARCEL 0 | 
|  |  | 
|  | static jclass   gBitmap_class; | 
|  | static jfieldID gBitmap_nativePtr; | 
|  | static jmethodID gBitmap_constructorMethodID; | 
|  | static jmethodID gBitmap_reinitMethodID; | 
|  |  | 
|  | namespace android { | 
|  |  | 
|  | jobject Gainmap_extractFromBitmap(JNIEnv* env, const Bitmap& bitmap); | 
|  |  | 
|  | class BitmapWrapper { | 
|  | public: | 
|  | explicit BitmapWrapper(Bitmap* bitmap) | 
|  | : mBitmap(bitmap) { } | 
|  |  | 
|  | void freePixels() { | 
|  | mInfo = mBitmap->info(); | 
|  | mHasHardwareMipMap = mBitmap->hasHardwareMipMap(); | 
|  | mAllocationSize = mBitmap->getAllocationByteCount(); | 
|  | mRowBytes = mBitmap->rowBytes(); | 
|  | mGenerationId = mBitmap->getGenerationID(); | 
|  | mIsHardware = mBitmap->isHardware(); | 
|  | mBitmap.reset(); | 
|  | } | 
|  |  | 
|  | bool valid() { | 
|  | return mBitmap != nullptr; | 
|  | } | 
|  |  | 
|  | Bitmap& bitmap() { | 
|  | assertValid(); | 
|  | return *mBitmap; | 
|  | } | 
|  |  | 
|  | void assertValid() { | 
|  | LOG_ALWAYS_FATAL_IF(!valid(), "Error, cannot access an invalid/free'd bitmap here!"); | 
|  | } | 
|  |  | 
|  | void getSkBitmap(SkBitmap* outBitmap) { | 
|  | assertValid(); | 
|  | mBitmap->getSkBitmap(outBitmap); | 
|  | } | 
|  |  | 
|  | bool hasHardwareMipMap() { | 
|  | if (mBitmap) { | 
|  | return mBitmap->hasHardwareMipMap(); | 
|  | } | 
|  | return mHasHardwareMipMap; | 
|  | } | 
|  |  | 
|  | void setHasHardwareMipMap(bool hasMipMap) { | 
|  | assertValid(); | 
|  | mBitmap->setHasHardwareMipMap(hasMipMap); | 
|  | } | 
|  |  | 
|  | void setAlphaType(SkAlphaType alphaType) { | 
|  | assertValid(); | 
|  | mBitmap->setAlphaType(alphaType); | 
|  | } | 
|  |  | 
|  | void setColorSpace(sk_sp<SkColorSpace> colorSpace) { | 
|  | assertValid(); | 
|  | mBitmap->setColorSpace(colorSpace); | 
|  | } | 
|  |  | 
|  | const SkImageInfo& info() { | 
|  | if (mBitmap) { | 
|  | return mBitmap->info(); | 
|  | } | 
|  | return mInfo; | 
|  | } | 
|  |  | 
|  | size_t getAllocationByteCount() const { | 
|  | if (mBitmap) { | 
|  | return mBitmap->getAllocationByteCount(); | 
|  | } | 
|  | return mAllocationSize; | 
|  | } | 
|  |  | 
|  | size_t rowBytes() const { | 
|  | if (mBitmap) { | 
|  | return mBitmap->rowBytes(); | 
|  | } | 
|  | return mRowBytes; | 
|  | } | 
|  |  | 
|  | uint32_t getGenerationID() const { | 
|  | if (mBitmap) { | 
|  | return mBitmap->getGenerationID(); | 
|  | } | 
|  | return mGenerationId; | 
|  | } | 
|  |  | 
|  | bool isHardware() { | 
|  | if (mBitmap) { | 
|  | return mBitmap->isHardware(); | 
|  | } | 
|  | return mIsHardware; | 
|  | } | 
|  |  | 
|  | ~BitmapWrapper() { } | 
|  |  | 
|  | private: | 
|  | sk_sp<Bitmap> mBitmap; | 
|  | SkImageInfo mInfo; | 
|  | bool mHasHardwareMipMap; | 
|  | size_t mAllocationSize; | 
|  | size_t mRowBytes; | 
|  | uint32_t mGenerationId; | 
|  | bool mIsHardware; | 
|  | }; | 
|  |  | 
|  | // Convenience class that does not take a global ref on the pixels, relying | 
|  | // on the caller already having a local JNI ref | 
|  | class LocalScopedBitmap { | 
|  | public: | 
|  | explicit LocalScopedBitmap(jlong bitmapHandle) | 
|  | : mBitmapWrapper(reinterpret_cast<BitmapWrapper*>(bitmapHandle)) {} | 
|  |  | 
|  | BitmapWrapper* operator->() { | 
|  | return mBitmapWrapper; | 
|  | } | 
|  |  | 
|  | void* pixels() { | 
|  | return mBitmapWrapper->bitmap().pixels(); | 
|  | } | 
|  |  | 
|  | bool valid() { | 
|  | return mBitmapWrapper && mBitmapWrapper->valid(); | 
|  | } | 
|  |  | 
|  | private: | 
|  | BitmapWrapper* mBitmapWrapper; | 
|  | }; | 
|  |  | 
|  | namespace bitmap { | 
|  |  | 
|  | // Assert that bitmap's SkAlphaType is consistent with isPremultiplied. | 
|  | static void assert_premultiplied(const SkImageInfo& info, bool isPremultiplied) { | 
|  | // kOpaque_SkAlphaType and kIgnore_SkAlphaType mean that isPremultiplied is | 
|  | // irrelevant. This just tests to ensure that the SkAlphaType is not | 
|  | // opposite of isPremultiplied. | 
|  | if (isPremultiplied) { | 
|  | SkASSERT(info.alphaType() != kUnpremul_SkAlphaType); | 
|  | } else { | 
|  | SkASSERT(info.alphaType() != kPremul_SkAlphaType); | 
|  | } | 
|  | } | 
|  |  | 
|  | void reinitBitmap(JNIEnv* env, jobject javaBitmap, const SkImageInfo& info, | 
|  | bool isPremultiplied) | 
|  | { | 
|  | // The caller needs to have already set the alpha type properly, so the | 
|  | // native SkBitmap stays in sync with the Java Bitmap. | 
|  | assert_premultiplied(info, isPremultiplied); | 
|  |  | 
|  | env->CallVoidMethod(javaBitmap, gBitmap_reinitMethodID, | 
|  | info.width(), info.height(), isPremultiplied); | 
|  | } | 
|  |  | 
|  | jobject createBitmap(JNIEnv* env, Bitmap* bitmap, | 
|  | int bitmapCreateFlags, jbyteArray ninePatchChunk, jobject ninePatchInsets, | 
|  | int density) { | 
|  | bool isMutable = bitmapCreateFlags & kBitmapCreateFlag_Mutable; | 
|  | bool isPremultiplied = bitmapCreateFlags & kBitmapCreateFlag_Premultiplied; | 
|  | // The caller needs to have already set the alpha type properly, so the | 
|  | // native SkBitmap stays in sync with the Java Bitmap. | 
|  | assert_premultiplied(bitmap->info(), isPremultiplied); | 
|  | bool fromMalloc = bitmap->pixelStorageType() == PixelStorageType::Heap; | 
|  | BitmapWrapper* bitmapWrapper = new BitmapWrapper(bitmap); | 
|  | if (!isMutable) { | 
|  | bitmapWrapper->bitmap().setImmutable(); | 
|  | } | 
|  | jobject obj = env->NewObject(gBitmap_class, gBitmap_constructorMethodID, | 
|  | reinterpret_cast<jlong>(bitmapWrapper), bitmap->width(), bitmap->height(), density, | 
|  | isPremultiplied, ninePatchChunk, ninePatchInsets, fromMalloc); | 
|  |  | 
|  | if (env->ExceptionCheck() != 0) { | 
|  | ALOGE("*** Uncaught exception returned from Java call!\n"); | 
|  | env->ExceptionDescribe(); | 
|  | } | 
|  | return obj; | 
|  | } | 
|  |  | 
|  | void toSkBitmap(jlong bitmapHandle, SkBitmap* outBitmap) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | bitmap->getSkBitmap(outBitmap); | 
|  | } | 
|  |  | 
|  | Bitmap& toBitmap(jlong bitmapHandle) { | 
|  | LocalScopedBitmap localBitmap(bitmapHandle); | 
|  | return localBitmap->bitmap(); | 
|  | } | 
|  |  | 
|  | } // namespace bitmap | 
|  |  | 
|  | } // namespace android | 
|  |  | 
|  | using namespace android; | 
|  | using namespace android::bitmap; | 
|  |  | 
|  | Bitmap* GraphicsJNI::getNativeBitmap(JNIEnv* env, jobject bitmap) { | 
|  | SkASSERT(env); | 
|  | SkASSERT(bitmap); | 
|  | SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class)); | 
|  | jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr); | 
|  | LocalScopedBitmap localBitmap(bitmapHandle); | 
|  | return localBitmap.valid() ? &localBitmap->bitmap() : nullptr; | 
|  | } | 
|  |  | 
|  | SkImageInfo GraphicsJNI::getBitmapInfo(JNIEnv* env, jobject bitmap, uint32_t* outRowBytes, | 
|  | bool* isHardware) { | 
|  | SkASSERT(env); | 
|  | SkASSERT(bitmap); | 
|  | SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class)); | 
|  | jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr); | 
|  | LocalScopedBitmap localBitmap(bitmapHandle); | 
|  | if (outRowBytes) { | 
|  | *outRowBytes = localBitmap->rowBytes(); | 
|  | } | 
|  | if (isHardware) { | 
|  | *isHardware = localBitmap->isHardware(); | 
|  | } | 
|  | return localBitmap->info(); | 
|  | } | 
|  |  | 
|  | bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors, int srcOffset, int srcStride, | 
|  | int x, int y, int width, int height, SkBitmap* dstBitmap) { | 
|  | const jint* array = env->GetIntArrayElements(srcColors, NULL); | 
|  | const SkColor* src = (const SkColor*)array + srcOffset; | 
|  |  | 
|  | auto sRGB = SkColorSpace::MakeSRGB(); | 
|  | SkImageInfo srcInfo = SkImageInfo::Make( | 
|  | width, height, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB); | 
|  | SkPixmap srcPM(srcInfo, src, srcStride * 4); | 
|  |  | 
|  | dstBitmap->writePixels(srcPM, x, y); | 
|  |  | 
|  | env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array), JNI_ABORT); | 
|  | return true; | 
|  | } | 
|  |  | 
|  | /////////////////////////////////////////////////////////////////////////////// | 
|  | /////////////////////////////////////////////////////////////////////////////// | 
|  |  | 
|  | static int getPremulBitmapCreateFlags(bool isMutable) { | 
|  | int flags = android::bitmap::kBitmapCreateFlag_Premultiplied; | 
|  | if (isMutable) flags |= android::bitmap::kBitmapCreateFlag_Mutable; | 
|  | return flags; | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors, | 
|  | jint offset, jint stride, jint width, jint height, | 
|  | jint configHandle, jboolean isMutable, | 
|  | jlong colorSpacePtr) { | 
|  | SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); | 
|  | if (NULL != jColors) { | 
|  | size_t n = env->GetArrayLength(jColors); | 
|  | if (n < SkAbs32(stride) * (size_t)height) { | 
|  | doThrowAIOOBE(env); | 
|  | return NULL; | 
|  | } | 
|  | } | 
|  |  | 
|  | // ARGB_4444 is a deprecated format, convert automatically to 8888 | 
|  | if (colorType == kARGB_4444_SkColorType) { | 
|  | colorType = kN32_SkColorType; | 
|  | } | 
|  |  | 
|  | sk_sp<SkColorSpace> colorSpace; | 
|  | if (colorType == kAlpha_8_SkColorType) { | 
|  | colorSpace = nullptr; | 
|  | } else { | 
|  | colorSpace = GraphicsJNI::getNativeColorSpace(colorSpacePtr); | 
|  | } | 
|  |  | 
|  | SkBitmap bitmap; | 
|  | bitmap.setInfo(SkImageInfo::Make(width, height, colorType, kPremul_SkAlphaType, | 
|  | colorSpace)); | 
|  |  | 
|  | sk_sp<Bitmap> nativeBitmap = Bitmap::allocateHeapBitmap(&bitmap); | 
|  | if (!nativeBitmap) { | 
|  | ALOGE("OOM allocating Bitmap with dimensions %i x %i", width, height); | 
|  | doThrowOOME(env); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | if (jColors != NULL) { | 
|  | GraphicsJNI::SetPixels(env, jColors, offset, stride, 0, 0, width, height, &bitmap); | 
|  | } | 
|  |  | 
|  | return createBitmap(env, nativeBitmap.release(), getPremulBitmapCreateFlags(isMutable)); | 
|  | } | 
|  |  | 
|  | static bool bitmapCopyTo(SkBitmap* dst, SkColorType dstCT, const SkBitmap& src, | 
|  | SkBitmap::Allocator* alloc) { | 
|  | SkPixmap srcPM; | 
|  | if (!src.peekPixels(&srcPM)) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | SkImageInfo dstInfo = srcPM.info().makeColorType(dstCT); | 
|  | switch (dstCT) { | 
|  | case kRGB_565_SkColorType: | 
|  | dstInfo = dstInfo.makeAlphaType(kOpaque_SkAlphaType); | 
|  | break; | 
|  | case kAlpha_8_SkColorType: | 
|  | dstInfo = dstInfo.makeColorSpace(nullptr); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (!dstInfo.colorSpace() && dstCT != kAlpha_8_SkColorType) { | 
|  | dstInfo = dstInfo.makeColorSpace(SkColorSpace::MakeSRGB()); | 
|  | } | 
|  |  | 
|  | if (!dst->setInfo(dstInfo)) { | 
|  | return false; | 
|  | } | 
|  | if (!dst->tryAllocPixels(alloc)) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | SkPixmap dstPM; | 
|  | if (!dst->peekPixels(&dstPM)) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | return srcPM.readPixels(dstPM); | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_copy(JNIEnv* env, jobject, jlong srcHandle, jint dstConfigHandle, | 
|  | jboolean isMutable) { | 
|  | LocalScopedBitmap bitmapHolder(srcHandle); | 
|  | if (!bitmapHolder.valid()) { | 
|  | return NULL; | 
|  | } | 
|  | const Bitmap& original = bitmapHolder->bitmap(); | 
|  | const bool hasGainmap = original.hasGainmap(); | 
|  | SkBitmap src; | 
|  | bitmapHolder->getSkBitmap(&src); | 
|  |  | 
|  | if (dstConfigHandle == GraphicsJNI::hardwareLegacyBitmapConfig()) { | 
|  | sk_sp<Bitmap> bitmap(Bitmap::allocateHardwareBitmap(src)); | 
|  | if (!bitmap.get()) { | 
|  | return NULL; | 
|  | } | 
|  | if (hasGainmap) { | 
|  | auto gm = uirenderer::Gainmap::allocateHardwareGainmap(original.gainmap()); | 
|  | if (gm) { | 
|  | bitmap->setGainmap(std::move(gm)); | 
|  | } | 
|  | } | 
|  | return createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(isMutable)); | 
|  | } | 
|  |  | 
|  | SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle); | 
|  | SkBitmap result; | 
|  | HeapAllocator allocator; | 
|  |  | 
|  | if (!bitmapCopyTo(&result, dstCT, src, &allocator)) { | 
|  | return NULL; | 
|  | } | 
|  | auto bitmap = allocator.getStorageObjAndReset(); | 
|  | if (hasGainmap) { | 
|  | auto gainmap = sp<uirenderer::Gainmap>::make(); | 
|  | gainmap->info = original.gainmap()->info; | 
|  | const SkBitmap skSrcBitmap = original.gainmap()->bitmap->getSkBitmap(); | 
|  | SkBitmap skDestBitmap; | 
|  | HeapAllocator destAllocator; | 
|  | if (!bitmapCopyTo(&skDestBitmap, dstCT, skSrcBitmap, &destAllocator)) { | 
|  | return NULL; | 
|  | } | 
|  | gainmap->bitmap = sk_sp<Bitmap>(destAllocator.getStorageObjAndReset()); | 
|  | bitmap->setGainmap(std::move(gainmap)); | 
|  | } | 
|  | return createBitmap(env, bitmap, getPremulBitmapCreateFlags(isMutable)); | 
|  | } | 
|  |  | 
|  | static Bitmap* Bitmap_copyAshmemImpl(JNIEnv* env, SkBitmap& src, SkColorType& dstCT) { | 
|  | SkBitmap result; | 
|  |  | 
|  | AshmemPixelAllocator allocator(env); | 
|  | if (!bitmapCopyTo(&result, dstCT, src, &allocator)) { | 
|  | return NULL; | 
|  | } | 
|  | auto bitmap = allocator.getStorageObjAndReset(); | 
|  | bitmap->setImmutable(); | 
|  | return bitmap; | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_copyAshmem(JNIEnv* env, jobject, jlong srcHandle) { | 
|  | SkBitmap src; | 
|  | reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src); | 
|  | SkColorType dstCT = src.colorType(); | 
|  | auto bitmap = Bitmap_copyAshmemImpl(env, src, dstCT); | 
|  | jobject ret = createBitmap(env, bitmap, getPremulBitmapCreateFlags(false)); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_copyAshmemConfig(JNIEnv* env, jobject, jlong srcHandle, jint dstConfigHandle) { | 
|  | SkBitmap src; | 
|  | reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src); | 
|  | SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle); | 
|  | auto bitmap = Bitmap_copyAshmemImpl(env, src, dstCT); | 
|  | jobject ret = createBitmap(env, bitmap, getPremulBitmapCreateFlags(false)); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static jint Bitmap_getAshmemFd(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | return (bitmap.valid()) ? bitmap->bitmap().getAshmemFd() : -1; | 
|  | } | 
|  |  | 
|  | static void Bitmap_destruct(BitmapWrapper* bitmap) { | 
|  | delete bitmap; | 
|  | } | 
|  |  | 
|  | static jlong Bitmap_getNativeFinalizer(JNIEnv*, jobject) { | 
|  | return static_cast<jlong>(reinterpret_cast<uintptr_t>(&Bitmap_destruct)); | 
|  | } | 
|  |  | 
|  | static void Bitmap_recycle(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | bitmap->freePixels(); | 
|  | } | 
|  |  | 
|  | static void Bitmap_reconfigure(JNIEnv* env, jobject clazz, jlong bitmapHandle, | 
|  | jint width, jint height, jint configHandle, jboolean requestPremul) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | bitmap->assertValid(); | 
|  | SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); | 
|  |  | 
|  | // ARGB_4444 is a deprecated format, convert automatically to 8888 | 
|  | if (colorType == kARGB_4444_SkColorType) { | 
|  | colorType = kN32_SkColorType; | 
|  | } | 
|  | size_t requestedSize = width * height * SkColorTypeBytesPerPixel(colorType); | 
|  | if (requestedSize > bitmap->getAllocationByteCount()) { | 
|  | // done in native as there's no way to get BytesPerPixel in Java | 
|  | doThrowIAE(env, "Bitmap not large enough to support new configuration"); | 
|  | return; | 
|  | } | 
|  | SkAlphaType alphaType; | 
|  | if (bitmap->info().colorType() != kRGB_565_SkColorType | 
|  | && bitmap->info().alphaType() == kOpaque_SkAlphaType) { | 
|  | // If the original bitmap was set to opaque, keep that setting, unless it | 
|  | // was 565, which is required to be opaque. | 
|  | alphaType = kOpaque_SkAlphaType; | 
|  | } else { | 
|  | // Otherwise respect the premultiplied request. | 
|  | alphaType = requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType; | 
|  | } | 
|  | bitmap->bitmap().reconfigure(SkImageInfo::Make(width, height, colorType, alphaType, | 
|  | sk_ref_sp(bitmap->info().colorSpace()))); | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_compress(JNIEnv* env, jobject clazz, jlong bitmapHandle, | 
|  | jint format, jint quality, | 
|  | jobject jstream, jbyteArray jstorage) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | if (!bitmap.valid()) { | 
|  | return JNI_FALSE; | 
|  | } | 
|  |  | 
|  | std::unique_ptr<SkWStream> strm(CreateJavaOutputStreamAdaptor(env, jstream, jstorage)); | 
|  | if (!strm.get()) { | 
|  | return JNI_FALSE; | 
|  | } | 
|  |  | 
|  | auto fm = static_cast<Bitmap::JavaCompressFormat>(format); | 
|  | return bitmap->bitmap().compress(fm, quality, strm.get()) ? JNI_TRUE : JNI_FALSE; | 
|  | } | 
|  |  | 
|  | static inline void bitmapErase(SkBitmap bitmap, const SkColor4f& color, | 
|  | const sk_sp<SkColorSpace>& colorSpace) { | 
|  | SkPaint p; | 
|  | p.setColor4f(color, colorSpace.get()); | 
|  | p.setBlendMode(SkBlendMode::kSrc); | 
|  | SkCanvas canvas(bitmap); | 
|  | canvas.drawPaint(p); | 
|  | } | 
|  |  | 
|  | static void Bitmap_erase(JNIEnv* env, jobject, jlong bitmapHandle, jint color) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | SkBitmap skBitmap; | 
|  | bitmap->getSkBitmap(&skBitmap); | 
|  | bitmapErase(skBitmap, SkColor4f::FromColor(color), SkColorSpace::MakeSRGB()); | 
|  | } | 
|  |  | 
|  | static void Bitmap_eraseLong(JNIEnv* env, jobject, jlong bitmapHandle, | 
|  | jlong colorSpaceHandle, jlong colorLong) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | SkBitmap skBitmap; | 
|  | bitmap->getSkBitmap(&skBitmap); | 
|  |  | 
|  | SkColor4f color = GraphicsJNI::convertColorLong(colorLong); | 
|  | sk_sp<SkColorSpace> cs = GraphicsJNI::getNativeColorSpace(colorSpaceHandle); | 
|  | bitmapErase(skBitmap, color, cs); | 
|  | } | 
|  |  | 
|  | static jint Bitmap_rowBytes(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | return static_cast<jint>(bitmap->rowBytes()); | 
|  | } | 
|  |  | 
|  | static jint Bitmap_config(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | if (bitmap->isHardware()) { | 
|  | return GraphicsJNI::hardwareLegacyBitmapConfig(); | 
|  | } | 
|  | return GraphicsJNI::colorTypeToLegacyBitmapConfig(bitmap->info().colorType()); | 
|  | } | 
|  |  | 
|  | static jint Bitmap_getGenerationId(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | return static_cast<jint>(bitmap->getGenerationID()); | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_isPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | if (bitmap->info().alphaType() == kPremul_SkAlphaType) { | 
|  | return JNI_TRUE; | 
|  | } | 
|  | return JNI_FALSE; | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | return !bitmap->info().isOpaque() ? JNI_TRUE : JNI_FALSE; | 
|  | } | 
|  |  | 
|  | static void Bitmap_setHasAlpha(JNIEnv* env, jobject, jlong bitmapHandle, | 
|  | jboolean hasAlpha, jboolean requestPremul) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | if (hasAlpha) { | 
|  | bitmap->setAlphaType( | 
|  | requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType); | 
|  | } else { | 
|  | bitmap->setAlphaType(kOpaque_SkAlphaType); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void Bitmap_setPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle, | 
|  | jboolean isPremul) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | if (!bitmap->info().isOpaque()) { | 
|  | if (isPremul) { | 
|  | bitmap->setAlphaType(kPremul_SkAlphaType); | 
|  | } else { | 
|  | bitmap->setAlphaType(kUnpremul_SkAlphaType); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_hasMipMap(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | return bitmap->hasHardwareMipMap() ? JNI_TRUE : JNI_FALSE; | 
|  | } | 
|  |  | 
|  | static void Bitmap_setHasMipMap(JNIEnv* env, jobject, jlong bitmapHandle, | 
|  | jboolean hasMipMap) { | 
|  | LocalScopedBitmap bitmap(bitmapHandle); | 
|  | bitmap->setHasHardwareMipMap(hasMipMap); | 
|  | } | 
|  |  | 
|  | /////////////////////////////////////////////////////////////////////////////// | 
|  |  | 
|  | // TODO: Move somewhere else | 
|  | #ifdef __ANDROID__  // Layoutlib does not support parcel | 
|  | #define ON_ERROR_RETURN(X) \ | 
|  | if ((error = (X)) != STATUS_OK) return error | 
|  |  | 
|  | template <typename T, typename U> | 
|  | static binder_status_t readBlob(AParcel* parcel, T inPlaceCallback, U ashmemCallback) { | 
|  | binder_status_t error = STATUS_OK; | 
|  | BlobType type; | 
|  | static_assert(sizeof(BlobType) == sizeof(int32_t)); | 
|  | ON_ERROR_RETURN(AParcel_readInt32(parcel, (int32_t*)&type)); | 
|  | if (type == BlobType::IN_PLACE) { | 
|  | struct Data { | 
|  | std::unique_ptr<int8_t[]> ptr = nullptr; | 
|  | int32_t size = 0; | 
|  | } data; | 
|  | ON_ERROR_RETURN( | 
|  | AParcel_readByteArray(parcel, &data, | 
|  | [](void* arrayData, int32_t length, int8_t** outBuffer) { | 
|  | Data* data = reinterpret_cast<Data*>(arrayData); | 
|  | if (length > 0) { | 
|  | data->ptr = std::make_unique<int8_t[]>(length); | 
|  | data->size = length; | 
|  | *outBuffer = data->ptr.get(); | 
|  | } | 
|  | return data->ptr != nullptr; | 
|  | })); | 
|  | return inPlaceCallback(std::move(data.ptr), data.size); | 
|  | } else if (type == BlobType::ASHMEM) { | 
|  | int rawFd = -1; | 
|  | int32_t size = 0; | 
|  | ON_ERROR_RETURN(AParcel_readInt32(parcel, &size)); | 
|  | ON_ERROR_RETURN(AParcel_readParcelFileDescriptor(parcel, &rawFd)); | 
|  | android::base::unique_fd fd(rawFd); | 
|  | return ashmemCallback(std::move(fd), size); | 
|  | } else { | 
|  | // Although the above if/else was "exhaustive" guard against unknown types | 
|  | return STATUS_UNKNOWN_ERROR; | 
|  | } | 
|  | } | 
|  |  | 
|  | static constexpr size_t BLOB_INPLACE_LIMIT = 12 * 1024; | 
|  | // Fail fast if we can't use ashmem and the size exceeds this limit - the binder transaction | 
|  | // wouldn't go through, anyway | 
|  | // TODO: Can we get this from somewhere? | 
|  | static constexpr size_t BLOB_MAX_INPLACE_LIMIT = 1 * 1024 * 1024; | 
|  | static constexpr bool shouldUseAshmem(AParcel* parcel, int32_t size) { | 
|  | return size > BLOB_INPLACE_LIMIT && AParcel_getAllowFds(parcel); | 
|  | } | 
|  |  | 
|  | static binder_status_t writeBlobFromFd(AParcel* parcel, int32_t size, int fd) { | 
|  | binder_status_t error = STATUS_OK; | 
|  | ON_ERROR_RETURN(AParcel_writeInt32(parcel, static_cast<int32_t>(BlobType::ASHMEM))); | 
|  | ON_ERROR_RETURN(AParcel_writeInt32(parcel, size)); | 
|  | ON_ERROR_RETURN(AParcel_writeParcelFileDescriptor(parcel, fd)); | 
|  | return STATUS_OK; | 
|  | } | 
|  |  | 
|  | static binder_status_t writeBlob(AParcel* parcel, const int32_t size, const void* data, bool immutable) { | 
|  | if (size <= 0 || data == nullptr) { | 
|  | return STATUS_NOT_ENOUGH_DATA; | 
|  | } | 
|  | binder_status_t error = STATUS_OK; | 
|  | if (shouldUseAshmem(parcel, size)) { | 
|  | // Create new ashmem region with read/write priv | 
|  | base::unique_fd fd(ashmem_create_region("bitmap", size)); | 
|  | if (fd.get() < 0) { | 
|  | return STATUS_NO_MEMORY; | 
|  | } | 
|  |  | 
|  | { | 
|  | void* dest = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0); | 
|  | if (dest == MAP_FAILED) { | 
|  | return STATUS_NO_MEMORY; | 
|  | } | 
|  | memcpy(dest, data, size); | 
|  | munmap(dest, size); | 
|  | } | 
|  |  | 
|  | if (immutable && ashmem_set_prot_region(fd.get(), PROT_READ) < 0) { | 
|  | return STATUS_UNKNOWN_ERROR; | 
|  | } | 
|  | // Workaround b/149851140 in AParcel_writeParcelFileDescriptor | 
|  | int rawFd = fd.release(); | 
|  | error = writeBlobFromFd(parcel, size, rawFd); | 
|  | close(rawFd); | 
|  | return error; | 
|  | } else { | 
|  | if (size > BLOB_MAX_INPLACE_LIMIT) { | 
|  | return STATUS_FAILED_TRANSACTION; | 
|  | } | 
|  | ON_ERROR_RETURN(AParcel_writeInt32(parcel, static_cast<int32_t>(BlobType::IN_PLACE))); | 
|  | ON_ERROR_RETURN(AParcel_writeByteArray(parcel, static_cast<const int8_t*>(data), size)); | 
|  | return STATUS_OK; | 
|  | } | 
|  | } | 
|  |  | 
|  | #undef ON_ERROR_RETURN | 
|  |  | 
|  | #endif // __ANDROID__ // Layoutlib does not support parcel | 
|  |  | 
|  | // This is the maximum possible size because the SkColorSpace must be | 
|  | // representable (and therefore serializable) using a matrix and numerical | 
|  | // transfer function.  If we allow more color space representations in the | 
|  | // framework, we may need to update this maximum size. | 
|  | static constexpr size_t kMaxColorSpaceSerializedBytes = 80; | 
|  |  | 
|  | static constexpr auto BadParcelableException = "android/os/BadParcelableException"; | 
|  |  | 
|  | static bool validateImageInfo(const SkImageInfo& info, int32_t rowBytes) { | 
|  | // TODO: Can we avoid making a SkBitmap for this? | 
|  | return SkBitmap().setInfo(info, rowBytes); | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) { | 
|  | #ifdef __ANDROID__ // Layoutlib does not support parcel | 
|  | if (parcel == NULL) { | 
|  | jniThrowNullPointerException(env, "parcel cannot be null"); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | ScopedParcel p(env, parcel); | 
|  |  | 
|  | const bool isMutable = p.readInt32(); | 
|  | const SkColorType colorType = static_cast<SkColorType>(p.readInt32()); | 
|  | const SkAlphaType alphaType = static_cast<SkAlphaType>(p.readInt32()); | 
|  | sk_sp<SkColorSpace> colorSpace; | 
|  | const auto optColorSpaceData = p.readData(); | 
|  | if (optColorSpaceData) { | 
|  | const auto& colorSpaceData = *optColorSpaceData; | 
|  | if (colorSpaceData->size() > kMaxColorSpaceSerializedBytes) { | 
|  | ALOGD("Bitmap_createFromParcel: Serialized SkColorSpace is larger than expected: " | 
|  | "%zu bytes (max: %zu)\n", | 
|  | colorSpaceData->size(), kMaxColorSpaceSerializedBytes); | 
|  | } | 
|  |  | 
|  | colorSpace = SkColorSpace::Deserialize(colorSpaceData->data(), colorSpaceData->size()); | 
|  | } | 
|  | const int32_t width = p.readInt32(); | 
|  | const int32_t height = p.readInt32(); | 
|  | const int32_t rowBytes = p.readInt32(); | 
|  | const int32_t density = p.readInt32(); | 
|  |  | 
|  | if (kN32_SkColorType != colorType && | 
|  | kRGBA_F16_SkColorType != colorType && | 
|  | kRGB_565_SkColorType != colorType && | 
|  | kARGB_4444_SkColorType != colorType && | 
|  | kAlpha_8_SkColorType != colorType) { | 
|  | jniThrowExceptionFmt(env, BadParcelableException, | 
|  | "Bitmap_createFromParcel unknown colortype: %d\n", colorType); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | auto imageInfo = SkImageInfo::Make(width, height, colorType, alphaType, colorSpace); | 
|  | size_t allocationSize = 0; | 
|  | if (!validateImageInfo(imageInfo, rowBytes)) { | 
|  | jniThrowRuntimeException(env, "Received bad SkImageInfo"); | 
|  | return NULL; | 
|  | } | 
|  | if (!Bitmap::computeAllocationSize(rowBytes, height, &allocationSize)) { | 
|  | jniThrowExceptionFmt(env, BadParcelableException, | 
|  | "Received bad bitmap size: width=%d, height=%d, rowBytes=%d", width, | 
|  | height, rowBytes); | 
|  | return NULL; | 
|  | } | 
|  | sk_sp<Bitmap> nativeBitmap; | 
|  | binder_status_t error = readBlob( | 
|  | p.get(), | 
|  | // In place callback | 
|  | [&](std::unique_ptr<int8_t[]> buffer, int32_t size) { | 
|  | if (allocationSize > size) { | 
|  | android_errorWriteLog(0x534e4554, "213169612"); | 
|  | return STATUS_BAD_VALUE; | 
|  | } | 
|  | nativeBitmap = Bitmap::allocateHeapBitmap(allocationSize, imageInfo, rowBytes); | 
|  | if (nativeBitmap) { | 
|  | memcpy(nativeBitmap->pixels(), buffer.get(), allocationSize); | 
|  | return STATUS_OK; | 
|  | } | 
|  | return STATUS_NO_MEMORY; | 
|  | }, | 
|  | // Ashmem callback | 
|  | [&](android::base::unique_fd fd, int32_t size) { | 
|  | if (allocationSize > size) { | 
|  | android_errorWriteLog(0x534e4554, "213169612"); | 
|  | return STATUS_BAD_VALUE; | 
|  | } | 
|  | int flags = PROT_READ; | 
|  | if (isMutable) { | 
|  | flags |= PROT_WRITE; | 
|  | } | 
|  | void* addr = mmap(nullptr, size, flags, MAP_SHARED, fd.get(), 0); | 
|  | if (addr == MAP_FAILED) { | 
|  | const int err = errno; | 
|  | ALOGW("mmap failed, error %d (%s)", err, strerror(err)); | 
|  | return STATUS_NO_MEMORY; | 
|  | } | 
|  | nativeBitmap = | 
|  | Bitmap::createFrom(imageInfo, rowBytes, fd.release(), addr, size, !isMutable); | 
|  | return STATUS_OK; | 
|  | }); | 
|  |  | 
|  | if (error != STATUS_OK && error != STATUS_NO_MEMORY) { | 
|  | // TODO: Stringify the error, see signalExceptionForError in android_util_Binder.cpp | 
|  | jniThrowExceptionFmt(env, BadParcelableException, "Failed to read from Parcel, error=%d", | 
|  | error); | 
|  | return nullptr; | 
|  | } | 
|  | if (error == STATUS_NO_MEMORY || !nativeBitmap) { | 
|  | jniThrowRuntimeException(env, "Could not allocate bitmap data."); | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | return createBitmap(env, nativeBitmap.release(), getPremulBitmapCreateFlags(isMutable), nullptr, | 
|  | nullptr, density); | 
|  | #else | 
|  | jniThrowRuntimeException(env, "Cannot use parcels outside of Android"); | 
|  | return NULL; | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject, | 
|  | jlong bitmapHandle, jint density, jobject parcel) { | 
|  | #ifdef __ANDROID__ // Layoutlib does not support parcel | 
|  | if (parcel == NULL) { | 
|  | ALOGD("------- writeToParcel null parcel\n"); | 
|  | return JNI_FALSE; | 
|  | } | 
|  |  | 
|  | ScopedParcel p(env, parcel); | 
|  | SkBitmap bitmap; | 
|  |  | 
|  | auto bitmapWrapper = reinterpret_cast<BitmapWrapper*>(bitmapHandle); | 
|  | bitmapWrapper->getSkBitmap(&bitmap); | 
|  |  | 
|  | p.writeInt32(!bitmap.isImmutable()); | 
|  | p.writeInt32(bitmap.colorType()); | 
|  | p.writeInt32(bitmap.alphaType()); | 
|  | SkColorSpace* colorSpace = bitmap.colorSpace(); | 
|  | if (colorSpace != nullptr) { | 
|  | p.writeData(colorSpace->serialize()); | 
|  | } else { | 
|  | p.writeData(std::nullopt); | 
|  | } | 
|  | p.writeInt32(bitmap.width()); | 
|  | p.writeInt32(bitmap.height()); | 
|  | p.writeInt32(bitmap.rowBytes()); | 
|  | p.writeInt32(density); | 
|  |  | 
|  | // Transfer the underlying ashmem region if we have one and it's immutable. | 
|  | binder_status_t status; | 
|  | int fd = bitmapWrapper->bitmap().getAshmemFd(); | 
|  | if (fd >= 0 && p.allowFds() && bitmap.isImmutable()) { | 
|  | #if DEBUG_PARCEL | 
|  | ALOGD("Bitmap.writeToParcel: transferring immutable bitmap's ashmem fd as " | 
|  | "immutable blob (fds %s)", | 
|  | p.allowFds() ? "allowed" : "forbidden"); | 
|  | #endif | 
|  |  | 
|  | status = writeBlobFromFd(p.get(), bitmapWrapper->bitmap().getAllocationByteCount(), fd); | 
|  | if (status != STATUS_OK) { | 
|  | doThrowRE(env, "Could not write bitmap blob file descriptor."); | 
|  | return JNI_FALSE; | 
|  | } | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | // Copy the bitmap to a new blob. | 
|  | #if DEBUG_PARCEL | 
|  | ALOGD("Bitmap.writeToParcel: copying bitmap into new blob (fds %s)", | 
|  | p.allowFds() ? "allowed" : "forbidden"); | 
|  | #endif | 
|  |  | 
|  | size_t size = bitmap.computeByteSize(); | 
|  | status = writeBlob(p.get(), size, bitmap.getPixels(), bitmap.isImmutable()); | 
|  | if (status) { | 
|  | doThrowRE(env, "Could not copy bitmap to parcel blob."); | 
|  | return JNI_FALSE; | 
|  | } | 
|  | return JNI_TRUE; | 
|  | #else | 
|  | doThrowRE(env, "Cannot use parcels outside of Android"); | 
|  | return JNI_FALSE; | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz, | 
|  | jlong srcHandle, jlong paintHandle, | 
|  | jintArray offsetXY) { | 
|  | SkBitmap src; | 
|  | reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src); | 
|  | const android::Paint* paint = reinterpret_cast<android::Paint*>(paintHandle); | 
|  | SkIPoint  offset; | 
|  | SkBitmap dst; | 
|  | HeapAllocator allocator; | 
|  |  | 
|  | src.extractAlpha(&dst, paint, &allocator, &offset); | 
|  | // If Skia can't allocate pixels for destination bitmap, it resets | 
|  | // it, that is set its pixels buffer to NULL, and zero width and height. | 
|  | if (dst.getPixels() == NULL && src.getPixels() != NULL) { | 
|  | doThrowOOME(env, "failed to allocate pixels for alpha"); | 
|  | return NULL; | 
|  | } | 
|  | if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) { | 
|  | int* array = env->GetIntArrayElements(offsetXY, NULL); | 
|  | array[0] = offset.fX; | 
|  | array[1] = offset.fY; | 
|  | env->ReleaseIntArrayElements(offsetXY, array, 0); | 
|  | } | 
|  |  | 
|  | return createBitmap(env, allocator.getStorageObjAndReset(), | 
|  | getPremulBitmapCreateFlags(true)); | 
|  | } | 
|  |  | 
|  | /////////////////////////////////////////////////////////////////////////////// | 
|  |  | 
|  | static jboolean Bitmap_isSRGB(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | if (!bitmapHolder.valid()) return JNI_TRUE; | 
|  |  | 
|  | SkColorSpace* colorSpace = bitmapHolder->info().colorSpace(); | 
|  | return colorSpace == nullptr || colorSpace->isSRGB(); | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_isSRGBLinear(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | if (!bitmapHolder.valid()) return JNI_FALSE; | 
|  |  | 
|  | SkColorSpace* colorSpace = bitmapHolder->info().colorSpace(); | 
|  | sk_sp<SkColorSpace> srgbLinear = SkColorSpace::MakeSRGBLinear(); | 
|  | return colorSpace == srgbLinear.get() ? JNI_TRUE : JNI_FALSE; | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_computeColorSpace(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | if (!bitmapHolder.valid()) return nullptr; | 
|  |  | 
|  | SkColorSpace* colorSpace = bitmapHolder->info().colorSpace(); | 
|  | if (colorSpace == nullptr) return nullptr; | 
|  |  | 
|  | return GraphicsJNI::getColorSpace(env, colorSpace, bitmapHolder->info().colorType()); | 
|  | } | 
|  |  | 
|  | static void Bitmap_setColorSpace(JNIEnv* env, jobject, jlong bitmapHandle, jlong colorSpacePtr) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | sk_sp<SkColorSpace> cs = GraphicsJNI::getNativeColorSpace(colorSpacePtr); | 
|  | bitmapHolder->setColorSpace(cs); | 
|  | } | 
|  |  | 
|  | /////////////////////////////////////////////////////////////////////////////// | 
|  |  | 
|  | static jint Bitmap_getPixel(JNIEnv* env, jobject, jlong bitmapHandle, | 
|  | jint x, jint y) { | 
|  | SkBitmap bitmap; | 
|  | reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); | 
|  |  | 
|  | auto sRGB = SkColorSpace::MakeSRGB(); | 
|  | SkImageInfo dstInfo = SkImageInfo::Make( | 
|  | 1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB); | 
|  |  | 
|  | SkColor dst; | 
|  | bitmap.readPixels(dstInfo, &dst, dstInfo.minRowBytes(), x, y); | 
|  | return static_cast<jint>(dst); | 
|  | } | 
|  |  | 
|  | static jlong Bitmap_getColor(JNIEnv* env, jobject, jlong bitmapHandle, | 
|  | jint x, jint y) { | 
|  | SkBitmap bitmap; | 
|  | reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); | 
|  |  | 
|  | SkImageInfo dstInfo = SkImageInfo::Make( | 
|  | 1, 1, kRGBA_F16_SkColorType, kUnpremul_SkAlphaType, bitmap.refColorSpace()); | 
|  |  | 
|  | uint64_t dst; | 
|  | bitmap.readPixels(dstInfo, &dst, dstInfo.minRowBytes(), x, y); | 
|  | return static_cast<jlong>(dst); | 
|  | } | 
|  |  | 
|  | static void Bitmap_getPixels(JNIEnv* env, jobject, jlong bitmapHandle, | 
|  | jintArray pixelArray, jint offset, jint stride, | 
|  | jint x, jint y, jint width, jint height) { | 
|  | SkBitmap bitmap; | 
|  | reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); | 
|  |  | 
|  | auto sRGB = SkColorSpace::MakeSRGB(); | 
|  | SkImageInfo dstInfo = SkImageInfo::Make( | 
|  | width, height, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB); | 
|  |  | 
|  | jint* dst = env->GetIntArrayElements(pixelArray, NULL); | 
|  | bitmap.readPixels(dstInfo, dst + offset, stride * 4, x, y); | 
|  | env->ReleaseIntArrayElements(pixelArray, dst, 0); | 
|  | } | 
|  |  | 
|  | /////////////////////////////////////////////////////////////////////////////// | 
|  |  | 
|  | static void Bitmap_setPixel(JNIEnv* env, jobject, jlong bitmapHandle, | 
|  | jint x, jint y, jint colorHandle) { | 
|  | SkBitmap bitmap; | 
|  | reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); | 
|  | SkColor color = static_cast<SkColor>(colorHandle); | 
|  |  | 
|  | auto sRGB = SkColorSpace::MakeSRGB(); | 
|  | SkImageInfo srcInfo = SkImageInfo::Make( | 
|  | 1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB); | 
|  | SkPixmap srcPM(srcInfo, &color, srcInfo.minRowBytes()); | 
|  |  | 
|  | bitmap.writePixels(srcPM, x, y); | 
|  | } | 
|  |  | 
|  | static void Bitmap_setPixels(JNIEnv* env, jobject, jlong bitmapHandle, | 
|  | jintArray pixelArray, jint offset, jint stride, | 
|  | jint x, jint y, jint width, jint height) { | 
|  | SkBitmap bitmap; | 
|  | reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); | 
|  | GraphicsJNI::SetPixels(env, pixelArray, offset, stride, | 
|  | x, y, width, height, &bitmap); | 
|  | } | 
|  |  | 
|  | static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject, | 
|  | jlong bitmapHandle, jobject jbuffer) { | 
|  | SkBitmap bitmap; | 
|  | reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); | 
|  | const void* src = bitmap.getPixels(); | 
|  |  | 
|  | if (NULL != src) { | 
|  | android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE); | 
|  |  | 
|  | // the java side has already checked that buffer is large enough | 
|  | memcpy(abp.pointer(), src, bitmap.computeByteSize()); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject, | 
|  | jlong bitmapHandle, jobject jbuffer) { | 
|  | SkBitmap bitmap; | 
|  | reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); | 
|  | void* dst = bitmap.getPixels(); | 
|  |  | 
|  | if (NULL != dst) { | 
|  | android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE); | 
|  | // the java side has already checked that buffer is large enough | 
|  | memcpy(dst, abp.pointer(), bitmap.computeByteSize()); | 
|  | bitmap.notifyPixelsChanged(); | 
|  | } | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle, jlong bm1Handle) { | 
|  | SkBitmap bm0; | 
|  | SkBitmap bm1; | 
|  |  | 
|  | LocalScopedBitmap bitmap0(bm0Handle); | 
|  | LocalScopedBitmap bitmap1(bm1Handle); | 
|  |  | 
|  | // Paying the price for making Hardware Bitmap as Config: | 
|  | // later check for colorType will pass successfully, | 
|  | // because Hardware Config internally may be RGBA8888 or smth like that. | 
|  | if (bitmap0->isHardware() != bitmap1->isHardware()) { | 
|  | return JNI_FALSE; | 
|  | } | 
|  |  | 
|  | bitmap0->bitmap().getSkBitmap(&bm0); | 
|  | bitmap1->bitmap().getSkBitmap(&bm1); | 
|  | if (bm0.width() != bm1.width() | 
|  | || bm0.height() != bm1.height() | 
|  | || bm0.colorType() != bm1.colorType() | 
|  | || bm0.alphaType() != bm1.alphaType() | 
|  | || !SkColorSpace::Equals(bm0.colorSpace(), bm1.colorSpace())) { | 
|  | return JNI_FALSE; | 
|  | } | 
|  |  | 
|  | // if we can't load the pixels, return false | 
|  | if (NULL == bm0.getPixels() || NULL == bm1.getPixels()) { | 
|  | return JNI_FALSE; | 
|  | } | 
|  |  | 
|  | // now compare each scanline. We can't do the entire buffer at once, | 
|  | // since we don't care about the pixel values that might extend beyond | 
|  | // the width (since the scanline might be larger than the logical width) | 
|  | const int h = bm0.height(); | 
|  | const size_t size = bm0.width() * bm0.bytesPerPixel(); | 
|  | for (int y = 0; y < h; y++) { | 
|  | // SkBitmap::getAddr(int, int) may return NULL due to unrecognized config | 
|  | // (ex: kRLE_Index8_Config). This will cause memcmp method to crash. Since bm0 | 
|  | // and bm1 both have pixel data() (have passed NULL == getPixels() check), | 
|  | // those 2 bitmaps should be valid (only unrecognized), we return JNI_FALSE | 
|  | // to warn user those 2 unrecognized config bitmaps may be different. | 
|  | void *bm0Addr = bm0.getAddr(0, y); | 
|  | void *bm1Addr = bm1.getAddr(0, y); | 
|  |  | 
|  | if(bm0Addr == NULL || bm1Addr == NULL) { | 
|  | return JNI_FALSE; | 
|  | } | 
|  |  | 
|  | if (memcmp(bm0Addr, bm1Addr, size) != 0) { | 
|  | return JNI_FALSE; | 
|  | } | 
|  | } | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | static void Bitmap_prepareToDraw(JNIEnv* env, jobject, jlong bitmapPtr) { | 
|  | #ifdef __ANDROID__ // Layoutlib does not support render thread | 
|  | LocalScopedBitmap bitmapHandle(bitmapPtr); | 
|  | if (!bitmapHandle.valid()) return; | 
|  | android::uirenderer::renderthread::RenderProxy::prepareToDraw(bitmapHandle->bitmap()); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static jint Bitmap_getAllocationByteCount(JNIEnv* env, jobject, jlong bitmapPtr) { | 
|  | LocalScopedBitmap bitmapHandle(bitmapPtr); | 
|  | return static_cast<jint>(bitmapHandle->getAllocationByteCount()); | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_copyPreserveInternalConfig(JNIEnv* env, jobject, jlong bitmapPtr) { | 
|  | LocalScopedBitmap bitmapHandle(bitmapPtr); | 
|  | LOG_ALWAYS_FATAL_IF(!bitmapHandle->isHardware(), | 
|  | "Hardware config is only supported config in Bitmap_nativeCopyPreserveInternalConfig"); | 
|  | Bitmap& hwuiBitmap = bitmapHandle->bitmap(); | 
|  | SkBitmap src; | 
|  | hwuiBitmap.getSkBitmap(&src); | 
|  |  | 
|  | if (src.pixelRef() == nullptr) { | 
|  | doThrowRE(env, "Could not copy a hardware bitmap."); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | sk_sp<Bitmap> bitmap = Bitmap::createFrom(src.info(), *src.pixelRef()); | 
|  | return createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(false)); | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_wrapHardwareBufferBitmap(JNIEnv* env, jobject, jobject hardwareBuffer, | 
|  | jlong colorSpacePtr) { | 
|  | #ifdef __ANDROID__ // Layoutlib does not support graphic buffer | 
|  | AHardwareBuffer* buffer = uirenderer::HardwareBufferHelpers::AHardwareBuffer_fromHardwareBuffer( | 
|  | env, hardwareBuffer); | 
|  | sk_sp<Bitmap> bitmap = Bitmap::createFrom(buffer, | 
|  | GraphicsJNI::getNativeColorSpace(colorSpacePtr)); | 
|  | if (!bitmap.get()) { | 
|  | ALOGW("failed to create hardware bitmap from hardware buffer"); | 
|  | return NULL; | 
|  | } | 
|  | return bitmap::createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(false)); | 
|  | #else | 
|  | return NULL; | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_getHardwareBuffer(JNIEnv* env, jobject, jlong bitmapPtr) { | 
|  | #ifdef __ANDROID__ // Layoutlib does not support graphic buffer | 
|  | LocalScopedBitmap bitmapHandle(bitmapPtr); | 
|  | if (!bitmapHandle->isHardware()) { | 
|  | jniThrowException(env, "java/lang/IllegalStateException", | 
|  | "Hardware config is only supported config in Bitmap_getHardwareBuffer"); | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | Bitmap& bitmap = bitmapHandle->bitmap(); | 
|  | return uirenderer::HardwareBufferHelpers::AHardwareBuffer_toHardwareBuffer( | 
|  | env, bitmap.hardwareBuffer()); | 
|  | #else | 
|  | return nullptr; | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_isImmutable(CRITICAL_JNI_PARAMS_COMMA jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | if (!bitmapHolder.valid()) return JNI_FALSE; | 
|  |  | 
|  | return bitmapHolder->bitmap().isImmutable() ? JNI_TRUE : JNI_FALSE; | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_isBackedByAshmem(CRITICAL_JNI_PARAMS_COMMA jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | if (!bitmapHolder.valid()) return JNI_FALSE; | 
|  |  | 
|  | return bitmapHolder->bitmap().pixelStorageType() == PixelStorageType::Ashmem ? JNI_TRUE | 
|  | : JNI_FALSE; | 
|  | } | 
|  |  | 
|  | static void Bitmap_setImmutable(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | if (!bitmapHolder.valid()) return; | 
|  |  | 
|  | return bitmapHolder->bitmap().setImmutable(); | 
|  | } | 
|  |  | 
|  | static jboolean Bitmap_hasGainmap(CRITICAL_JNI_PARAMS_COMMA jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | if (!bitmapHolder.valid()) return false; | 
|  |  | 
|  | return bitmapHolder->bitmap().hasGainmap(); | 
|  | } | 
|  |  | 
|  | static jobject Bitmap_extractGainmap(JNIEnv* env, jobject, jlong bitmapHandle) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | if (!bitmapHolder.valid()) return nullptr; | 
|  | if (!bitmapHolder->bitmap().hasGainmap()) return nullptr; | 
|  |  | 
|  | return Gainmap_extractFromBitmap(env, bitmapHolder->bitmap()); | 
|  | } | 
|  |  | 
|  | static void Bitmap_setGainmap(JNIEnv*, jobject, jlong bitmapHandle, jlong gainmapPtr) { | 
|  | LocalScopedBitmap bitmapHolder(bitmapHandle); | 
|  | if (!bitmapHolder.valid()) return; | 
|  | uirenderer::Gainmap* gainmap = reinterpret_cast<uirenderer::Gainmap*>(gainmapPtr); | 
|  | bitmapHolder->bitmap().setGainmap(sp<uirenderer::Gainmap>::fromExisting(gainmap)); | 
|  | } | 
|  |  | 
|  | /////////////////////////////////////////////////////////////////////////////// | 
|  |  | 
|  | static const JNINativeMethod gBitmapMethods[] = { | 
|  | {"nativeCreate", "([IIIIIIZJ)Landroid/graphics/Bitmap;", (void*)Bitmap_creator}, | 
|  | {"nativeCopy", "(JIZ)Landroid/graphics/Bitmap;", (void*)Bitmap_copy}, | 
|  | {"nativeCopyAshmem", "(J)Landroid/graphics/Bitmap;", (void*)Bitmap_copyAshmem}, | 
|  | {"nativeCopyAshmemConfig", "(JI)Landroid/graphics/Bitmap;", (void*)Bitmap_copyAshmemConfig}, | 
|  | {"nativeGetAshmemFD", "(J)I", (void*)Bitmap_getAshmemFd}, | 
|  | {"nativeGetNativeFinalizer", "()J", (void*)Bitmap_getNativeFinalizer}, | 
|  | {"nativeRecycle", "(J)V", (void*)Bitmap_recycle}, | 
|  | {"nativeReconfigure", "(JIIIZ)V", (void*)Bitmap_reconfigure}, | 
|  | {"nativeCompress", "(JIILjava/io/OutputStream;[B)Z", (void*)Bitmap_compress}, | 
|  | {"nativeErase", "(JI)V", (void*)Bitmap_erase}, | 
|  | {"nativeErase", "(JJJ)V", (void*)Bitmap_eraseLong}, | 
|  | {"nativeRowBytes", "(J)I", (void*)Bitmap_rowBytes}, | 
|  | {"nativeConfig", "(J)I", (void*)Bitmap_config}, | 
|  | {"nativeHasAlpha", "(J)Z", (void*)Bitmap_hasAlpha}, | 
|  | {"nativeIsPremultiplied", "(J)Z", (void*)Bitmap_isPremultiplied}, | 
|  | {"nativeSetHasAlpha", "(JZZ)V", (void*)Bitmap_setHasAlpha}, | 
|  | {"nativeSetPremultiplied", "(JZ)V", (void*)Bitmap_setPremultiplied}, | 
|  | {"nativeHasMipMap", "(J)Z", (void*)Bitmap_hasMipMap}, | 
|  | {"nativeSetHasMipMap", "(JZ)V", (void*)Bitmap_setHasMipMap}, | 
|  | {"nativeCreateFromParcel", "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;", | 
|  | (void*)Bitmap_createFromParcel}, | 
|  | {"nativeWriteToParcel", "(JILandroid/os/Parcel;)Z", (void*)Bitmap_writeToParcel}, | 
|  | {"nativeExtractAlpha", "(JJ[I)Landroid/graphics/Bitmap;", (void*)Bitmap_extractAlpha}, | 
|  | {"nativeGenerationId", "(J)I", (void*)Bitmap_getGenerationId}, | 
|  | {"nativeGetPixel", "(JII)I", (void*)Bitmap_getPixel}, | 
|  | {"nativeGetColor", "(JII)J", (void*)Bitmap_getColor}, | 
|  | {"nativeGetPixels", "(J[IIIIIII)V", (void*)Bitmap_getPixels}, | 
|  | {"nativeSetPixel", "(JIII)V", (void*)Bitmap_setPixel}, | 
|  | {"nativeSetPixels", "(J[IIIIIII)V", (void*)Bitmap_setPixels}, | 
|  | {"nativeCopyPixelsToBuffer", "(JLjava/nio/Buffer;)V", (void*)Bitmap_copyPixelsToBuffer}, | 
|  | {"nativeCopyPixelsFromBuffer", "(JLjava/nio/Buffer;)V", (void*)Bitmap_copyPixelsFromBuffer}, | 
|  | {"nativeSameAs", "(JJ)Z", (void*)Bitmap_sameAs}, | 
|  | {"nativePrepareToDraw", "(J)V", (void*)Bitmap_prepareToDraw}, | 
|  | {"nativeGetAllocationByteCount", "(J)I", (void*)Bitmap_getAllocationByteCount}, | 
|  | {"nativeCopyPreserveInternalConfig", "(J)Landroid/graphics/Bitmap;", | 
|  | (void*)Bitmap_copyPreserveInternalConfig}, | 
|  | {"nativeWrapHardwareBufferBitmap", | 
|  | "(Landroid/hardware/HardwareBuffer;J)Landroid/graphics/Bitmap;", | 
|  | (void*)Bitmap_wrapHardwareBufferBitmap}, | 
|  | {"nativeGetHardwareBuffer", "(J)Landroid/hardware/HardwareBuffer;", | 
|  | (void*)Bitmap_getHardwareBuffer}, | 
|  | {"nativeComputeColorSpace", "(J)Landroid/graphics/ColorSpace;", | 
|  | (void*)Bitmap_computeColorSpace}, | 
|  | {"nativeSetColorSpace", "(JJ)V", (void*)Bitmap_setColorSpace}, | 
|  | {"nativeIsSRGB", "(J)Z", (void*)Bitmap_isSRGB}, | 
|  | {"nativeIsSRGBLinear", "(J)Z", (void*)Bitmap_isSRGBLinear}, | 
|  | {"nativeSetImmutable", "(J)V", (void*)Bitmap_setImmutable}, | 
|  | {"nativeExtractGainmap", "(J)Landroid/graphics/Gainmap;", (void*)Bitmap_extractGainmap}, | 
|  | {"nativeSetGainmap", "(JJ)V", (void*)Bitmap_setGainmap}, | 
|  |  | 
|  | // ------------ @CriticalNative ---------------- | 
|  | {"nativeIsImmutable", "(J)Z", (void*)Bitmap_isImmutable}, | 
|  | {"nativeIsBackedByAshmem", "(J)Z", (void*)Bitmap_isBackedByAshmem}, | 
|  | {"nativeHasGainmap", "(J)Z", (void*)Bitmap_hasGainmap}, | 
|  |  | 
|  | }; | 
|  |  | 
|  | int register_android_graphics_Bitmap(JNIEnv* env) | 
|  | { | 
|  | gBitmap_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Bitmap")); | 
|  | gBitmap_nativePtr = GetFieldIDOrDie(env, gBitmap_class, "mNativePtr", "J"); | 
|  | gBitmap_constructorMethodID = GetMethodIDOrDie(env, gBitmap_class, "<init>", "(JIIIZ[BLandroid/graphics/NinePatch$InsetStruct;Z)V"); | 
|  | gBitmap_reinitMethodID = GetMethodIDOrDie(env, gBitmap_class, "reinit", "(IIZ)V"); | 
|  | uirenderer::HardwareBufferHelpers::init(); | 
|  | return android::RegisterMethodsOrDie(env, "android/graphics/Bitmap", gBitmapMethods, | 
|  | NELEM(gBitmapMethods)); | 
|  | } |