diff options
author | Derek Sollenberger <djsollen@google.com> | 2020-02-21 11:43:02 +0000 |
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committer | Android (Google) Code Review <android-gerrit@google.com> | 2020-02-21 11:43:02 +0000 |
commit | 76e7430baead21c67fd4c81a36774a6461d2fb99 (patch) | |
tree | 239a62b59c57b4b95d8e82943bf9a48e84439819 /libs/hwui/jni/ByteBufferStreamAdaptor.h | |
parent | 1ab8e44c06ca05806a81c6737cb3f6e316d8d25a (diff) | |
parent | 2173ea286afff6766043227de0bc2d82d9595f77 (diff) |
Merge changes from topic "HWUI_JNI"
* changes:
Export symbols for the newly exposed APEX/internal headers
Remove dependence on libandroid_runtime from Bitmap.cpp
Update Region.cpp to use AParcel NDK APIs
Cleanup header and build targets for libhwui clients.
Remove dependencies on headers outside UI module
Cleanup LOG_TAG when bundled in HWUI
Move android.graphics JNI & APEX files into HWUI
Diffstat (limited to 'libs/hwui/jni/ByteBufferStreamAdaptor.h')
-rw-r--r-- | libs/hwui/jni/ByteBufferStreamAdaptor.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libs/hwui/jni/ByteBufferStreamAdaptor.h b/libs/hwui/jni/ByteBufferStreamAdaptor.h new file mode 100644 index 000000000000..367a48fad9b9 --- /dev/null +++ b/libs/hwui/jni/ByteBufferStreamAdaptor.h @@ -0,0 +1,37 @@ +#ifndef _ANDROID_GRAPHICS_BYTE_BUFFER_STREAM_ADAPTOR_H_ +#define _ANDROID_GRAPHICS_BYTE_BUFFER_STREAM_ADAPTOR_H_ + +#include <jni.h> +#include <memory> + +class SkStream; + +/** + * Create an adaptor for treating a java.nio.ByteBuffer as an SkStream. + * + * This will special case direct ByteBuffers, but not the case where a byte[] + * can be used directly. For that, use CreateByteArrayStreamAdaptor. + * + * @param jbyteBuffer corresponding to the java ByteBuffer. This method will + * add a global ref. + * @param initialPosition returned by ByteBuffer.position(). Decoding starts + * from here. + * @param limit returned by ByteBuffer.limit(). + * + * Returns null on failure. + */ +std::unique_ptr<SkStream> CreateByteBufferStreamAdaptor(JNIEnv*, jobject jbyteBuffer, + size_t initialPosition, size_t limit); + +/** + * Create an adaptor for treating a Java byte[] as an SkStream. + * + * @param offset into the byte[] of the beginning of the data to use. + * @param length of data to use, starting from offset. + * + * Returns null on failure. + */ +std::unique_ptr<SkStream> CreateByteArrayStreamAdaptor(JNIEnv*, jbyteArray array, size_t offset, + size_t length); + +#endif // _ANDROID_GRAPHICS_BYTE_BUFFER_STREAM_ADAPTOR_H_ |