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am b693ef60: Merge "Do not allocate so much memory on the stack." into klp-dev

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* commit 'b693ef60ef27538402d941702ab652a57f585158':
  Do not allocate so much memory on the stack.
This commit is contained in:
Leon Scroggins III
2013-09-16 10:41:40 -07:00
committed by Android Git Automerger
parent 1a6e17e80a b693ef60ef
commit 3b8a7a0402
1 changed files with 20 additions and 11 deletions
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31
core/jni/android/graphics/CreateJavaOutputStreamAdaptor.cpp
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@@ -159,17 +159,26 @@ SkStream* CreateJavaInputStreamAdaptor(JNIEnv* env, jobject stream,
}
static SkMemoryStream* adaptor_to_mem_stream(SkStream* adaptor) {
SkASSERT(adaptor != NULL);
SkDynamicMemoryWStream wStream;
const int bufferSize = 256 * 1024; // 256 KB, same as ViewStateSerializer.
uint8_t buffer[bufferSize];
do {
size_t bytesRead = adaptor->read(buffer, bufferSize);
wStream.write(buffer, bytesRead);
} while (!adaptor->isAtEnd());
SkAutoTUnref<SkData> data(wStream.copyToData());
return new SkMemoryStream(data.get());
static SkMemoryStream* adaptor_to_mem_stream(SkStream* stream) {
SkASSERT(stream != NULL);
size_t bufferSize = 4096;
size_t streamLen = 0;
size_t len;
char* data = (char*)sk_malloc_throw(bufferSize);
while ((len = stream->read(data + streamLen,
bufferSize - streamLen)) != 0) {
streamLen += len;
if (streamLen == bufferSize) {
bufferSize *= 2;
data = (char*)sk_realloc_throw(data, bufferSize);
}
}
data = (char*)sk_realloc_throw(data, streamLen);
SkMemoryStream* streamMem = new SkMemoryStream();
streamMem->setMemoryOwned(data, streamLen);
return streamMem;
}
SkStreamRewindable* CopyJavaInputStream(JNIEnv* env, jobject stream,