38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
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#ifndef _ANDROID_GRAPHICS_BYTE_BUFFER_STREAM_ADAPTOR_H_
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#define _ANDROID_GRAPHICS_BYTE_BUFFER_STREAM_ADAPTOR_H_
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#include <jni.h>
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#include <memory>
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class SkStream;
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/**
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* Create an adaptor for treating a java.nio.ByteBuffer as an SkStream.
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*
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* This will special case direct ByteBuffers, but not the case where a byte[]
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* can be used directly. For that, use CreateByteArrayStreamAdaptor.
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*
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* @param jbyteBuffer corresponding to the java ByteBuffer. This method will
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* add a global ref.
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* @param initialPosition returned by ByteBuffer.position(). Decoding starts
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* from here.
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* @param limit returned by ByteBuffer.limit().
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*
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* Returns null on failure.
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*/
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std::unique_ptr<SkStream> CreateByteBufferStreamAdaptor(JNIEnv*, jobject jbyteBuffer,
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size_t initialPosition, size_t limit);
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/**
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* Create an adaptor for treating a Java byte[] as an SkStream.
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*
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* @param offset into the byte[] of the beginning of the data to use.
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* @param length of data to use, starting from offset.
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*
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* Returns null on failure.
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*/
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std::unique_ptr<SkStream> CreateByteArrayStreamAdaptor(JNIEnv*, jbyteArray array, size_t offset,
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size_t length);
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#endif // _ANDROID_GRAPHICS_BYTE_BUFFER_STREAM_ADAPTOR_H_
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