libs/hwui/jni/AnimatedImageDrawable.cpp - SHIFTPHONES/android_frameworks_base - Gitiles

 /*
  * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include "GraphicsJNI.h"
 #include "ImageDecoder.h"
 #include "Utils.h"

 #include <SkAndroidCodec.h>
 #include <SkAnimatedImage.h>
 #include <SkColorFilter.h>
 #include <SkPicture.h>
 #include <SkPictureRecorder.h>
 #include <hwui/AnimatedImageDrawable.h>
 #include <hwui/ImageDecoder.h>
 #include <hwui/Canvas.h>
 #include <utils/Looper.h>

 using namespace android;

 static jmethodID gAnimatedImageDrawable_onAnimationEndMethodID;

 // Note: jpostProcess holds a handle to the ImageDecoder.
 static jlong AnimatedImageDrawable_nCreate(JNIEnv* env, jobject /*clazz*/,
                                            jlong nativeImageDecoder, jobject jpostProcess,
                                            jint width, jint height, jlong colorSpaceHandle,
                                            jboolean extended, jobject jsubset) {
     if (nativeImageDecoder == 0) {
         doThrowIOE(env, "Cannot create AnimatedImageDrawable from null!");
         return 0;
     }

     auto* imageDecoder = reinterpret_cast<ImageDecoder*>(nativeImageDecoder);
     SkIRect subset;
     if (jsubset) {
         GraphicsJNI::jrect_to_irect(env, jsubset, &subset);
     } else {
         subset = SkIRect::MakeWH(width, height);
     }

     bool hasRestoreFrame = false;
     if (imageDecoder->mCodec->getEncodedFormat() != SkEncodedImageFormat::kWEBP) {
         const int frameCount = imageDecoder->mCodec->codec()->getFrameCount();
         for (int i = 0; i < frameCount; ++i) {
             SkCodec::FrameInfo frameInfo;
             if (!imageDecoder->mCodec->codec()->getFrameInfo(i, &frameInfo)) {
                 doThrowIOE(env, "Failed to read frame info!");
                 return 0;
             }
             if (frameInfo.fDisposalMethod == SkCodecAnimation::DisposalMethod::kRestorePrevious) {
                 hasRestoreFrame = true;
                 break;
             }
         }
     }

     auto info = imageDecoder->mCodec->getInfo().makeWH(width, height)
         .makeColorSpace(GraphicsJNI::getNativeColorSpace(colorSpaceHandle));
     if (extended) {
         info = info.makeColorType(kRGBA_F16_SkColorType);
     }

     size_t bytesUsed = info.computeMinByteSize();
     // SkAnimatedImage has one SkBitmap for decoding, plus an extra one if there is a
     // kRestorePrevious frame. AnimatedImageDrawable has two SkPictures storing the current
     // frame and the next frame. (The former assumes that the image is animated, and the
     // latter assumes that it is drawn to a hardware canvas.)
     bytesUsed *= hasRestoreFrame ? 4 : 3;
     sk_sp<SkPicture> picture;
     if (jpostProcess) {
         SkRect bounds = SkRect::MakeWH(subset.width(), subset.height());

         SkPictureRecorder recorder;
         SkCanvas* skcanvas = recorder.beginRecording(bounds);
         std::unique_ptr<Canvas> canvas(Canvas::create_canvas(skcanvas));
         postProcessAndRelease(env, jpostProcess, std::move(canvas));
         if (env->ExceptionCheck()) {
             return 0;
         }
         picture = recorder.finishRecordingAsPicture();
         bytesUsed += picture->approximateBytesUsed();
     }


     sk_sp<SkAnimatedImage> animatedImg = SkAnimatedImage::Make(std::move(imageDecoder->mCodec),
                                                                info, subset,
                                                                std::move(picture));
     if (!animatedImg) {
         doThrowIOE(env, "Failed to create drawable");
         return 0;
     }

     bytesUsed += sizeof(animatedImg.get());

     sk_sp<AnimatedImageDrawable> drawable(new AnimatedImageDrawable(std::move(animatedImg),
                                                                     bytesUsed));
     return reinterpret_cast<jlong>(drawable.release());
 }

 static void AnimatedImageDrawable_destruct(AnimatedImageDrawable* drawable) {
     SkSafeUnref(drawable);
 }

 static jlong AnimatedImageDrawable_nGetNativeFinalizer(JNIEnv* /*env*/, jobject /*clazz*/) {
     return static_cast<jlong>(reinterpret_cast<uintptr_t>(&AnimatedImageDrawable_destruct));
 }

 // Java's FINISHED relies on this being -1
 static_assert(SkAnimatedImage::kFinished == -1);

 static jlong AnimatedImageDrawable_nDraw(JNIEnv* env, jobject /*clazz*/, jlong nativePtr,
                                          jlong canvasPtr) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     auto* canvas = reinterpret_cast<Canvas*>(canvasPtr);
     return (jlong) canvas->drawAnimatedImage(drawable);
 }

 static void AnimatedImageDrawable_nSetAlpha(JNIEnv* env, jobject /*clazz*/, jlong nativePtr,
                                             jint alpha) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     drawable->setStagingAlpha(alpha);
 }

 static jlong AnimatedImageDrawable_nGetAlpha(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     return drawable->getStagingAlpha();
 }

 static void AnimatedImageDrawable_nSetColorFilter(JNIEnv* env, jobject /*clazz*/, jlong nativePtr,
                                                   jlong nativeFilter) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     auto* filter = reinterpret_cast<SkColorFilter*>(nativeFilter);
     drawable->setStagingColorFilter(sk_ref_sp(filter));
 }

 static jboolean AnimatedImageDrawable_nIsRunning(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     return drawable->isRunning();
 }

 static jboolean AnimatedImageDrawable_nStart(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     return drawable->start();
 }

 static jboolean AnimatedImageDrawable_nStop(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     return drawable->stop();
 }

 // Java's LOOP_INFINITE relies on this being the same.
 static_assert(SkCodec::kRepetitionCountInfinite == -1);

 static jint AnimatedImageDrawable_nGetRepeatCount(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     return drawable->getRepetitionCount();
 }

 static void AnimatedImageDrawable_nSetRepeatCount(JNIEnv* env, jobject /*clazz*/, jlong nativePtr,
                                                   jint loopCount) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     drawable->setRepetitionCount(loopCount);
 }

 class InvokeListener : public MessageHandler {
 public:
     InvokeListener(JNIEnv* env, jobject javaObject) {
         LOG_ALWAYS_FATAL_IF(env->GetJavaVM(&mJvm) != JNI_OK);
         // Hold a weak reference to break a cycle that would prevent GC.
         mWeakRef = env->NewWeakGlobalRef(javaObject);
     }

     ~InvokeListener() override {
         auto* env = requireEnv(mJvm);
         env->DeleteWeakGlobalRef(mWeakRef);
     }

     virtual void handleMessage(const Message&) override {
         auto* env = get_env_or_die(mJvm);
         jobject localRef = env->NewLocalRef(mWeakRef);
         if (localRef) {
             env->CallVoidMethod(localRef, gAnimatedImageDrawable_onAnimationEndMethodID);
         }
     }

 private:
     JavaVM* mJvm;
     jweak mWeakRef;
 };

 class JniAnimationEndListener : public OnAnimationEndListener {
 public:
     JniAnimationEndListener(sp<Looper>&& looper, JNIEnv* env, jobject javaObject) {
         mListener = new InvokeListener(env, javaObject);
         mLooper = std::move(looper);
     }

     void onAnimationEnd() override { mLooper->sendMessage(mListener, 0); }

 private:
     sp<InvokeListener> mListener;
     sp<Looper> mLooper;
 };

 static void AnimatedImageDrawable_nSetOnAnimationEndListener(JNIEnv* env, jobject /*clazz*/,
                                                              jlong nativePtr, jobject jdrawable) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     if (!jdrawable) {
         drawable->setOnAnimationEndListener(nullptr);
     } else {
         sp<Looper> looper = Looper::getForThread();
         if (!looper.get()) {
             doThrowISE(env,
                        "Must set AnimatedImageDrawable's AnimationCallback on a thread with a "
                        "looper!");
             return;
         }

         drawable->setOnAnimationEndListener(
                 std::make_unique<JniAnimationEndListener>(std::move(looper), env, jdrawable));
     }
 }

 static jlong AnimatedImageDrawable_nNativeByteSize(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     return drawable->byteSize();
 }

 static void AnimatedImageDrawable_nSetMirrored(JNIEnv* env, jobject /*clazz*/, jlong nativePtr,
                                                jboolean mirrored) {
     auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
     drawable->setStagingMirrored(mirrored);
 }

 static const JNINativeMethod gAnimatedImageDrawableMethods[] = {
     { "nCreate",             "(JLandroid/graphics/ImageDecoder;IIJZLandroid/graphics/Rect;)J",(void*) AnimatedImageDrawable_nCreate },
     { "nGetNativeFinalizer", "()J",                                                          (void*) AnimatedImageDrawable_nGetNativeFinalizer },
     { "nDraw",               "(JJ)J",                                                        (void*) AnimatedImageDrawable_nDraw },
     { "nSetAlpha",           "(JI)V",                                                        (void*) AnimatedImageDrawable_nSetAlpha },
     { "nGetAlpha",           "(J)I",                                                         (void*) AnimatedImageDrawable_nGetAlpha },
     { "nSetColorFilter",     "(JJ)V",                                                        (void*) AnimatedImageDrawable_nSetColorFilter },
     { "nIsRunning",          "(J)Z",                                                         (void*) AnimatedImageDrawable_nIsRunning },
     { "nStart",              "(J)Z",                                                         (void*) AnimatedImageDrawable_nStart },
     { "nStop",               "(J)Z",                                                         (void*) AnimatedImageDrawable_nStop },
     { "nGetRepeatCount",     "(J)I",                                                         (void*) AnimatedImageDrawable_nGetRepeatCount },
     { "nSetRepeatCount",     "(JI)V",                                                        (void*) AnimatedImageDrawable_nSetRepeatCount },
     { "nSetOnAnimationEndListener", "(JLandroid/graphics/drawable/AnimatedImageDrawable;)V", (void*) AnimatedImageDrawable_nSetOnAnimationEndListener },
     { "nNativeByteSize",     "(J)J",                                                         (void*) AnimatedImageDrawable_nNativeByteSize },
     { "nSetMirrored",        "(JZ)V",                                                        (void*) AnimatedImageDrawable_nSetMirrored },
 };

 int register_android_graphics_drawable_AnimatedImageDrawable(JNIEnv* env) {
     jclass animatedImageDrawable_class = FindClassOrDie(env, "android/graphics/drawable/AnimatedImageDrawable");
     gAnimatedImageDrawable_onAnimationEndMethodID = GetMethodIDOrDie(env, animatedImageDrawable_class, "onAnimationEnd", "()V");

     return android::RegisterMethodsOrDie(env, "android/graphics/drawable/AnimatedImageDrawable",
             gAnimatedImageDrawableMethods, NELEM(gAnimatedImageDrawableMethods));
 }
	/*
	* Copyright (C) 2018 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include "GraphicsJNI.h"
	#include "ImageDecoder.h"
	#include "Utils.h"

	#include <SkAndroidCodec.h>
	#include <SkAnimatedImage.h>
	#include <SkColorFilter.h>
	#include <SkPicture.h>
	#include <SkPictureRecorder.h>
	#include <hwui/AnimatedImageDrawable.h>
	#include <hwui/ImageDecoder.h>
	#include <hwui/Canvas.h>
	#include <utils/Looper.h>

	using namespace android;

	static jmethodID gAnimatedImageDrawable_onAnimationEndMethodID;

	// Note: jpostProcess holds a handle to the ImageDecoder.
	static jlong AnimatedImageDrawable_nCreate(JNIEnv* env, jobject /clazz/,
	jlong nativeImageDecoder, jobject jpostProcess,
	jint width, jint height, jlong colorSpaceHandle,
	jboolean extended, jobject jsubset) {
	if (nativeImageDecoder == 0) {
	doThrowIOE(env, "Cannot create AnimatedImageDrawable from null!");
	return 0;
	}

	auto* imageDecoder = reinterpret_cast<ImageDecoder*>(nativeImageDecoder);
	SkIRect subset;
	if (jsubset) {
	GraphicsJNI::jrect_to_irect(env, jsubset, &subset);
	} else {
	subset = SkIRect::MakeWH(width, height);
	}

	bool hasRestoreFrame = false;
	if (imageDecoder->mCodec->getEncodedFormat() != SkEncodedImageFormat::kWEBP) {
	const int frameCount = imageDecoder->mCodec->codec()->getFrameCount();
	for (int i = 0; i < frameCount; ++i) {
	SkCodec::FrameInfo frameInfo;
	if (!imageDecoder->mCodec->codec()->getFrameInfo(i, &frameInfo)) {
	doThrowIOE(env, "Failed to read frame info!");
	return 0;
	}
	if (frameInfo.fDisposalMethod == SkCodecAnimation::DisposalMethod::kRestorePrevious) {
	hasRestoreFrame = true;
	break;
	}
	}
	}

	auto info = imageDecoder->mCodec->getInfo().makeWH(width, height)
	.makeColorSpace(GraphicsJNI::getNativeColorSpace(colorSpaceHandle));
	if (extended) {
	info = info.makeColorType(kRGBA_F16_SkColorType);
	}

	size_t bytesUsed = info.computeMinByteSize();
	// SkAnimatedImage has one SkBitmap for decoding, plus an extra one if there is a
	// kRestorePrevious frame. AnimatedImageDrawable has two SkPictures storing the current
	// frame and the next frame. (The former assumes that the image is animated, and the
	// latter assumes that it is drawn to a hardware canvas.)
	bytesUsed *= hasRestoreFrame ? 4 : 3;
	sk_sp<SkPicture> picture;
	if (jpostProcess) {
	SkRect bounds = SkRect::MakeWH(subset.width(), subset.height());

	SkPictureRecorder recorder;
	SkCanvas* skcanvas = recorder.beginRecording(bounds);
	std::unique_ptr<Canvas> canvas(Canvas::create_canvas(skcanvas));
	postProcessAndRelease(env, jpostProcess, std::move(canvas));
	if (env->ExceptionCheck()) {
	return 0;
	}
	picture = recorder.finishRecordingAsPicture();
	bytesUsed += picture->approximateBytesUsed();
	}


	sk_sp<SkAnimatedImage> animatedImg = SkAnimatedImage::Make(std::move(imageDecoder->mCodec),
	info, subset,
	std::move(picture));
	if (!animatedImg) {
	doThrowIOE(env, "Failed to create drawable");
	return 0;
	}

	bytesUsed += sizeof(animatedImg.get());

	sk_sp<AnimatedImageDrawable> drawable(new AnimatedImageDrawable(std::move(animatedImg),
	bytesUsed));
	return reinterpret_cast<jlong>(drawable.release());
	}

	static void AnimatedImageDrawable_destruct(AnimatedImageDrawable* drawable) {
	SkSafeUnref(drawable);
	}

	static jlong AnimatedImageDrawable_nGetNativeFinalizer(JNIEnv* /env/, jobject /clazz/) {
	return static_cast<jlong>(reinterpret_cast<uintptr_t>(&AnimatedImageDrawable_destruct));
	}

	// Java's FINISHED relies on this being -1
	static_assert(SkAnimatedImage::kFinished == -1);

	static jlong AnimatedImageDrawable_nDraw(JNIEnv* env, jobject /clazz/, jlong nativePtr,
	jlong canvasPtr) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	auto* canvas = reinterpret_cast<Canvas*>(canvasPtr);
	return (jlong) canvas->drawAnimatedImage(drawable);
	}

	static void AnimatedImageDrawable_nSetAlpha(JNIEnv* env, jobject /clazz/, jlong nativePtr,
	jint alpha) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	drawable->setStagingAlpha(alpha);
	}

	static jlong AnimatedImageDrawable_nGetAlpha(JNIEnv* env, jobject /clazz/, jlong nativePtr) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	return drawable->getStagingAlpha();
	}

	static void AnimatedImageDrawable_nSetColorFilter(JNIEnv* env, jobject /clazz/, jlong nativePtr,
	jlong nativeFilter) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	auto* filter = reinterpret_cast<SkColorFilter*>(nativeFilter);
	drawable->setStagingColorFilter(sk_ref_sp(filter));
	}

	static jboolean AnimatedImageDrawable_nIsRunning(JNIEnv* env, jobject /clazz/, jlong nativePtr) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	return drawable->isRunning();
	}

	static jboolean AnimatedImageDrawable_nStart(JNIEnv* env, jobject /clazz/, jlong nativePtr) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	return drawable->start();
	}

	static jboolean AnimatedImageDrawable_nStop(JNIEnv* env, jobject /clazz/, jlong nativePtr) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	return drawable->stop();
	}

	// Java's LOOP_INFINITE relies on this being the same.
	static_assert(SkCodec::kRepetitionCountInfinite == -1);

	static jint AnimatedImageDrawable_nGetRepeatCount(JNIEnv* env, jobject /clazz/, jlong nativePtr) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	return drawable->getRepetitionCount();
	}

	static void AnimatedImageDrawable_nSetRepeatCount(JNIEnv* env, jobject /clazz/, jlong nativePtr,
	jint loopCount) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	drawable->setRepetitionCount(loopCount);
	}

	class InvokeListener : public MessageHandler {
	public:
	InvokeListener(JNIEnv* env, jobject javaObject) {
	LOG_ALWAYS_FATAL_IF(env->GetJavaVM(&mJvm) != JNI_OK);
	// Hold a weak reference to break a cycle that would prevent GC.
	mWeakRef = env->NewWeakGlobalRef(javaObject);
	}

	~InvokeListener() override {
	auto* env = requireEnv(mJvm);
	env->DeleteWeakGlobalRef(mWeakRef);
	}

	virtual void handleMessage(const Message&) override {
	auto* env = get_env_or_die(mJvm);
	jobject localRef = env->NewLocalRef(mWeakRef);
	if (localRef) {
	env->CallVoidMethod(localRef, gAnimatedImageDrawable_onAnimationEndMethodID);
	}
	}

	private:
	JavaVM* mJvm;
	jweak mWeakRef;
	};

	class JniAnimationEndListener : public OnAnimationEndListener {
	public:
	JniAnimationEndListener(sp<Looper>&& looper, JNIEnv* env, jobject javaObject) {
	mListener = new InvokeListener(env, javaObject);
	mLooper = std::move(looper);
	}

	void onAnimationEnd() override { mLooper->sendMessage(mListener, 0); }

	private:
	sp<InvokeListener> mListener;
	sp<Looper> mLooper;
	};

	static void AnimatedImageDrawable_nSetOnAnimationEndListener(JNIEnv* env, jobject /clazz/,
	jlong nativePtr, jobject jdrawable) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	if (!jdrawable) {
	drawable->setOnAnimationEndListener(nullptr);
	} else {
	sp<Looper> looper = Looper::getForThread();
	if (!looper.get()) {
	doThrowISE(env,
	"Must set AnimatedImageDrawable's AnimationCallback on a thread with a "
	"looper!");
	return;
	}

	drawable->setOnAnimationEndListener(
	std::make_unique<JniAnimationEndListener>(std::move(looper), env, jdrawable));
	}
	}

	static jlong AnimatedImageDrawable_nNativeByteSize(JNIEnv* env, jobject /clazz/, jlong nativePtr) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	return drawable->byteSize();
	}

	static void AnimatedImageDrawable_nSetMirrored(JNIEnv* env, jobject /clazz/, jlong nativePtr,
	jboolean mirrored) {
	auto* drawable = reinterpret_cast<AnimatedImageDrawable*>(nativePtr);
	drawable->setStagingMirrored(mirrored);
	}

	static const JNINativeMethod gAnimatedImageDrawableMethods[] = {
	{ "nCreate", "(JLandroid/graphics/ImageDecoder;IIJZLandroid/graphics/Rect;)J",(void*) AnimatedImageDrawable_nCreate },
	{ "nGetNativeFinalizer", "()J", (void*) AnimatedImageDrawable_nGetNativeFinalizer },
	{ "nDraw", "(JJ)J", (void*) AnimatedImageDrawable_nDraw },
	{ "nSetAlpha", "(JI)V", (void*) AnimatedImageDrawable_nSetAlpha },
	{ "nGetAlpha", "(J)I", (void*) AnimatedImageDrawable_nGetAlpha },
	{ "nSetColorFilter", "(JJ)V", (void*) AnimatedImageDrawable_nSetColorFilter },
	{ "nIsRunning", "(J)Z", (void*) AnimatedImageDrawable_nIsRunning },
	{ "nStart", "(J)Z", (void*) AnimatedImageDrawable_nStart },
	{ "nStop", "(J)Z", (void*) AnimatedImageDrawable_nStop },
	{ "nGetRepeatCount", "(J)I", (void*) AnimatedImageDrawable_nGetRepeatCount },
	{ "nSetRepeatCount", "(JI)V", (void*) AnimatedImageDrawable_nSetRepeatCount },
	{ "nSetOnAnimationEndListener", "(JLandroid/graphics/drawable/AnimatedImageDrawable;)V", (void*) AnimatedImageDrawable_nSetOnAnimationEndListener },
	{ "nNativeByteSize", "(J)J", (void*) AnimatedImageDrawable_nNativeByteSize },
	{ "nSetMirrored", "(JZ)V", (void*) AnimatedImageDrawable_nSetMirrored },
	};

	int register_android_graphics_drawable_AnimatedImageDrawable(JNIEnv* env) {
	jclass animatedImageDrawable_class = FindClassOrDie(env, "android/graphics/drawable/AnimatedImageDrawable");
	gAnimatedImageDrawable_onAnimationEndMethodID = GetMethodIDOrDie(env, animatedImageDrawable_class, "onAnimationEnd", "()V");

	return android::RegisterMethodsOrDie(env, "android/graphics/drawable/AnimatedImageDrawable",
	gAnimatedImageDrawableMethods, NELEM(gAnimatedImageDrawableMethods));
	}