diff options
Diffstat (limited to 'media/img_utils/include/img_utils/SortedEntryVector.h')
-rw-r--r-- | media/img_utils/include/img_utils/SortedEntryVector.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/media/img_utils/include/img_utils/SortedEntryVector.h b/media/img_utils/include/img_utils/SortedEntryVector.h new file mode 100644 index 0000000..f059a82 --- /dev/null +++ b/media/img_utils/include/img_utils/SortedEntryVector.h @@ -0,0 +1,53 @@ +/* + * 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. + */ + +#ifndef IMG_UTILS_SORTED_ENTRY_VECTOR_H +#define IMG_UTILS_SORTED_ENTRY_VECTOR_H + +#include <img_utils/TiffEntry.h> + +#include <utils/StrongPointer.h> +#include <utils/SortedVector.h> + +namespace android { +namespace img_utils { + +/** + * Subclass of SortedVector that has been extended to + * do comparisons/lookups based on the tag ID of the entries. + */ +class SortedEntryVector : public SortedVector<sp<TiffEntry> > { + public: + virtual ~SortedEntryVector(); + + /** + * Returns the index of the entry with the given tag ID, or + * -1 if none exists. + */ + ssize_t indexOfTag(uint16_t tag) const; + + protected: + /** + * Compare tag ID. + */ + virtual int do_compare(const void* lhs, const void* rhs) const; +}; + + +} /*namespace img_utils*/ +} /*namespace android*/ + +#endif /*IMG_UTILS_SORTED_ENTRY_VECTOR_H*/ |