19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "CreateJavaOutputStreamAdaptor.h" 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define RETURN_NULL_IF_NULL(value) \ 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { if (!(value)) { SkASSERT(0); return NULL; } } while (false) 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jclass gInputStream_Clazz; 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID gInputStream_resetMethodID; 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID gInputStream_availableMethodID; 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID gInputStream_readMethodID; 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID gInputStream_skipMethodID; 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass JavaInputStreamAdaptor : public SkStream { 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic: 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaInputStreamAdaptor(JNIEnv* env, jobject js, jbyteArray ar) 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : fEnv(env), fJavaInputStream(js), fJavaByteArray(ar) { 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkASSERT(ar); 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fCapacity = env->GetArrayLength(ar); 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkASSERT(fCapacity > 0); 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fBytesRead = 0; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual bool rewind() { 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = fEnv; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fBytesRead = 0; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallVoidMethod(fJavaInputStream, gInputStream_resetMethodID); 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkDebugf("------- reset threw an exception\n"); 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t doRead(void* buffer, size_t size) { 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = fEnv; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t bytesRead = 0; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // read the bytes 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t requested = size; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (requested > fCapacity) 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requested = fCapacity; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint n = env->CallIntMethod(fJavaInputStream, 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInputStream_readMethodID, fJavaByteArray, 0, requested); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkDebugf("---- read threw an exception\n"); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (n <= 0) { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; // eof 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetByteArrayRegion(fJavaByteArray, 0, n, 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reinterpret_cast<jbyte*>(buffer)); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkDebugf("---- read:GetByteArrayRegion threw an exception\n"); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer = (void*)((char*)buffer + n); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bytesRead += n; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size -= n; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fBytesRead += n; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (size != 0); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bytesRead; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t doSkip(size_t size) { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = fEnv; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong skipped = env->CallLongMethod(fJavaInputStream, 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInputStream_skipMethodID, (jlong)size); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkDebugf("------- available threw an exception\n"); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipped < 0) { 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipped = 0; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (size_t)skipped; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t doSize() { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = fEnv; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint avail = env->CallIntMethod(fJavaInputStream, 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInputStream_availableMethodID); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkDebugf("------- available threw an exception\n"); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project avail = 0; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return avail; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual size_t read(void* buffer, size_t size) { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = fEnv; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (NULL == buffer) { 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (0 == size) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this->doSize(); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* InputStream.skip(n) can return <=0 but still not be at EOF 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project If we see that value, we need to call read(), which will 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project block if waiting for more data, or return -1 at EOF 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t amountSkipped = 0; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t amount = this->doSkip(size); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (0 == amount) { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char tmp; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project amount = this->doRead(&tmp, 1); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (0 == amount) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if read returned 0, we're at EOF 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project amountSkipped += amount; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (amountSkipped < size); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return amountSkipped; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this->doRead(buffer, size); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprivate: 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* fEnv; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject fJavaInputStream; // the caller owns this object 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray fJavaByteArray; // the caller owns this object 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t fCapacity; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t fBytesRead; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectSkStream* CreateJavaInputStreamAdaptor(JNIEnv* env, jobject stream, 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray storage) { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static bool gInited; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!gInited) { 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInputStream_Clazz = env->FindClass("java/io/InputStream"); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RETURN_NULL_IF_NULL(gInputStream_Clazz); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInputStream_Clazz = (jclass)env->NewGlobalRef(gInputStream_Clazz); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInputStream_resetMethodID = env->GetMethodID(gInputStream_Clazz, 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "reset", "()V"); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInputStream_availableMethodID = env->GetMethodID(gInputStream_Clazz, 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "available", "()I"); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInputStream_readMethodID = env->GetMethodID(gInputStream_Clazz, 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "read", "([BII)I"); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInputStream_skipMethodID = env->GetMethodID(gInputStream_Clazz, 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "skip", "(J)J"); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RETURN_NULL_IF_NULL(gInputStream_resetMethodID); 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RETURN_NULL_IF_NULL(gInputStream_availableMethodID); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RETURN_NULL_IF_NULL(gInputStream_availableMethodID); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RETURN_NULL_IF_NULL(gInputStream_skipMethodID); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInited = true; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new JavaInputStreamAdaptor(env, stream, storage); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/////////////////////////////////////////////////////////////////////////////// 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jclass gOutputStream_Clazz; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID gOutputStream_writeMethodID; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID gOutputStream_flushMethodID; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass SkJavaOutputStream : public SkWStream { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic: 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkJavaOutputStream(JNIEnv* env, jobject stream, jbyteArray storage) 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : fEnv(env), fJavaOutputStream(stream), fJavaByteArray(storage) { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fCapacity = env->GetArrayLength(storage); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual bool write(const void* buffer, size_t size) { 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = fEnv; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray storage = fJavaByteArray; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (size > 0) { 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t requested = size; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (requested > fCapacity) { 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requested = fCapacity; 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetByteArrayRegion(storage, 0, requested, 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reinterpret_cast<const jbyte*>(buffer)); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkDebugf("--- write:SetByteArrayElements threw an exception\n"); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fEnv->CallVoidMethod(fJavaOutputStream, gOutputStream_writeMethodID, 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project storage, 0, requested); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionDescribe(); 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkDebugf("------- write threw an exception\n"); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer = (void*)((char*)buffer + requested); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size -= requested; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual void flush() { 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fEnv->CallVoidMethod(fJavaOutputStream, gOutputStream_flushMethodID); 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprivate: 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* fEnv; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject fJavaOutputStream; // the caller owns this object 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray fJavaByteArray; // the caller owns this object 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t fCapacity; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectSkWStream* CreateJavaOutputStreamAdaptor(JNIEnv* env, jobject stream, 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray storage) { 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static bool gInited; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!gInited) { 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gOutputStream_Clazz = env->FindClass("java/io/OutputStream"); 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RETURN_NULL_IF_NULL(gOutputStream_Clazz); 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gOutputStream_Clazz = (jclass)env->NewGlobalRef(gOutputStream_Clazz); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gOutputStream_writeMethodID = env->GetMethodID(gOutputStream_Clazz, 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "write", "([BII)V"); 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RETURN_NULL_IF_NULL(gOutputStream_writeMethodID); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gOutputStream_flushMethodID = env->GetMethodID(gOutputStream_Clazz, 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "flush", "()V"); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RETURN_NULL_IF_NULL(gOutputStream_flushMethodID); 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gInited = true; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SkJavaOutputStream(env, stream, storage); 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 252