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TileCache.h
1 /*
2 * #%L
3 * OME-FILES C++ library for image IO.
4 * Copyright © 2006 - 2015 Open Microscopy Environment:
5 * - Massachusetts Institute of Technology
6 * - National Institutes of Health
7 * - University of Dundee
8 * - Board of Regents of the University of Wisconsin-Madison
9 * - Glencoe Software, Inc.
10 * %%
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright notice,
15 * this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright notice,
17 * this list of conditions and the following disclaimer in the documentation
18 * and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * The views and conclusions contained in the software and documentation are
33 * those of the authors and should not be interpreted as representing official
34 * policies, either expressed or implied, of any organization.
35 * #L%
36 */
37
38 #ifndef OME_FILES_TILECACHE_H
39 #define OME_FILES_TILECACHE_H
40
41 #include <ome/files/Types.h>
42 #include <ome/files/TileBuffer.h>
43
44 #include <ome/compat/memory.h>
45
46 #include <map>
47
48 namespace ome
49 {
50 namespace files
51 {
52
59 class TileCache
60 {
61 public:
63 typedef dimension_size_type key_type;
65 typedef ome::compat::shared_ptr<TileBuffer> value_type;
66
68 TileCache();
69
71 virtual ~TileCache();
72
73 private:
74 // To avoid unintentional and expensive copies, copying and
75 // assignment of caches is prevented.
76
78 TileCache (const TileCache&);
79
81 TileCache&
82 operator= (const TileCache&);
83
84 public:
98 bool
99 insert(key_type tileindex,
100 value_type tilebuffer);
101
107 void
108 erase(key_type tileindex);
109
117 value_type
118 find(key_type tileindex);
119
128 const value_type
129 find(key_type tileindex) const;
130
136 dimension_size_type
137 size() const;
138
142 void
143 clear();
144
157 value_type&
158 operator[](key_type tileindex);
159
160 private:
162 std::map<key_type, value_type> cache;
163 };
164
165 }
166 }
167
168 #endif // OME_FILES_TILECACHE_H
169
170 /*
171 * Local Variables:
172 * mode:C++
173 * End:
174 */
memory.h
ome::files::TileCache::clear
void clear()
Clear the tile cache.
Definition: TileCache.cpp:96
ome::files::TileCache
Tile cache.
Definition: TileCache.h:59
ome::files::dimension_size_type
std::size_t dimension_size_type
Size type for image dimensions.
Definition: Types.h:59
ome::files::TileCache::find
value_type find(key_type tileindex)
Find a tile in the tile cache.
Definition: TileCache.cpp:70
ome::files::TileCache::~TileCache
virtual ~TileCache()
Destructor.
Definition: TileCache.cpp:50
ome::files::TileCache::cache
std::map< key_type, value_type > cache
Mapping of tile number to tile buffer.
Definition: TileCache.h:162
ome
ome::files::TileCache::key_type
dimension_size_type key_type
Tile index type.
Definition: TileCache.h:63
ome::files::TileCache::erase
void erase(key_type tileindex)
Remove a tile from the tile cache.
Definition: TileCache.cpp:64
ome::files::TileCache::value_type
ome::compat::shared_ptr< TileBuffer > value_type
Tile buffer type.
Definition: TileCache.h:65
ome::files::TileCache::operator=
TileCache & operator=(const TileCache &)
Assignment operator (deleted).
ome::files::TileCache::TileCache
TileCache()
Constructor.
Definition: TileCache.cpp:45
ome::files::TileCache::insert
bool insert(key_type tileindex, value_type tilebuffer)
Insert a tile into the tile cache.
Definition: TileCache.cpp:55
ome::files::TileCache::size
dimension_size_type size() const
Get the tile cache size.
Definition: TileCache.cpp:90
ome::files::TileCache::operator[]
value_type & operator[](key_type tileindex)
Get a tile from the tile cache.
Definition: TileCache.cpp:102