camera2: Adding TIFF writing utilities.

Adds a native image utilities library with support for:
- Writing TIFF 6.0 and TIFF EP compliant file headers.
- Additional tags defined in EXIF 2.3 and DNG 1.4 specs.

Change-Id: I7a4fef74bd5254d92baf08a3cf61af5de1b7ca83

1 files changed, 44 insertions, 0 deletions

diff --git a/media/img_utils/src/TiffEntryImpl.cpp b/media/img_utils/src/TiffEntryImpl.cpp
new file mode 100644
index 0000000..2052ceb
--- /dev/null
+++ b/media/img_utils/src/TiffEntryImpl.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2014 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.
+ */
+
+#include <img_utils/TiffEntryImpl.h>
+#include <img_utils/TiffIfd.h>
+
+#include <utils/Vector.h>
+
+namespace android {
+namespace img_utils {
+
+template<>
+uint32_t TiffEntryImpl<TiffIfd>::getSize() const {
+    uint32_t total = 0;
+    for (uint32_t i = 0; i < mCount; ++i) {
+        total += mData[i].getSize();
+    }
+    return total;
+}
+
+template<>
+status_t TiffEntryImpl<TiffIfd>::writeData(uint32_t offset, EndianOutput* out) const {
+    status_t ret = OK;
+    for (uint32_t i = 0; i < mCount; ++i) {
+        BAIL_ON_FAIL(mData[i].writeData(offset, out), ret);
+    }
+    return ret;
+}
+
+} /*namespace img_utils*/
+} /*namespace android*/