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authorDerek Sollenberger <djsollen@google.com>2020-02-21 11:43:02 +0000
committerAndroid (Google) Code Review <android-gerrit@google.com>2020-02-21 11:43:02 +0000
commit76e7430baead21c67fd4c81a36774a6461d2fb99 (patch)
tree239a62b59c57b4b95d8e82943bf9a48e84439819 /libs/hwui/jni/ByteBufferStreamAdaptor.h
parent1ab8e44c06ca05806a81c6737cb3f6e316d8d25a (diff)
parent2173ea286afff6766043227de0bc2d82d9595f77 (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
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diff --git a/libs/hwui/jni/ByteBufferStreamAdaptor.h b/libs/hwui/jni/ByteBufferStreamAdaptor.h
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+#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_