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authorRuben Brunk <rubenbrunk@google.com>2013-06-28 20:02:54 -0700
committerRuben Brunk <rubenbrunk@google.com>2013-07-11 13:41:29 -0700
commit0a7720cce4068a08a5b9a06cefa537de846fa099 (patch)
tree30ab88f07cf62a44a95db2804c6d760026fbab50 /jni_jpegstream/src/stream_wrapper.h
parenta053a3179cfee3d2bb666eff5f4f03a96b092e04 (diff)
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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
Diffstat (limited to 'jni_jpegstream/src/stream_wrapper.h')
-rw-r--r--jni_jpegstream/src/stream_wrapper.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/jni_jpegstream/src/stream_wrapper.h b/jni_jpegstream/src/stream_wrapper.h
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+/*
+ * 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 STREAM_WRAPPER_H_
+#define STREAM_WRAPPER_H_
+
+#include "jni_defines.h"
+
+#include <stdint.h>
+
+class StreamWrapper {
+public:
+ StreamWrapper();
+ virtual ~StreamWrapper();
+ virtual void updateEnv(JNIEnv *env);
+ virtual bool init(JNIEnv *env, jobject stream);
+ virtual void cleanup();
+ virtual int32_t getBufferSize();
+ virtual jbyte* getBufferPtr();
+
+ const static int32_t DEFAULT_BUFFER_SIZE;
+ const static int32_t END_OF_STREAM;
+protected:
+ JNIEnv *mEnv;
+ jobject mStream;
+ jbyteArray mByteArray;
+ jbyte* mBytes;
+ int32_t mByteArrayLen;
+};
+
+#endif // STREAM_WRAPPER_H_