Added jpeg streaming classes.

- Provides streaming operations for decompressing/compressing
  JPEG files.
- Allows pixel operations to be performed on large JPEG images
  without holding the entire bitmap in memory.

Change-Id: I597ddf282b59d2ba6d6bca4722208121e3728f94

1 files changed, 35 insertions, 0 deletions

diff --git a/jni_jpegstream/src/outputstream_wrapper.h b/jni_jpegstream/src/outputstream_wrapper.h
new file mode 100644
index 000000000..9b8b0071b
--- /dev/null
+++ b/jni_jpegstream/src/outputstream_wrapper.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OUTPUTSTREAM_WRAPPER_H_
+#define OUTPUTSTREAM_WRAPPER_H_
+
+#include "jni_defines.h"
+#include "stream_wrapper.h"
+
+#include <stdint.h>
+
+class OutputStreamWrapper : public StreamWrapper {
+public:
+    virtual int32_t write(int32_t length, int32_t offset);
+
+    // Call this in JNI_OnLoad to cache write method
+    static void setWriteMethodID(jmethodID id);
+protected:
+    static jmethodID sWriteID;
+};
+
+#endif // OUTPUTSTREAM_WRAPPER_H_