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3 Distributed under the Boost Software License, Version 1.0.
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22 <TITLE>Generic Image Library: image.hpp Source File</TITLE>
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40<div class="contents">
41<h1>image.hpp</h1><a href="image_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
42<a name="l00002"></a>00002 <span class="comment"> Copyright 2005-2007 Adobe Systems Incorporated</span>
43<a name="l00003"></a>00003 <span class="comment"> </span>
44<a name="l00004"></a>00004 <span class="comment"> Use, modification and distribution are subject to the Boost Software License,</span>
45<a name="l00005"></a>00005 <span class="comment"> Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
46<a name="l00006"></a>00006 <span class="comment"> http://www.boost.org/LICENSE_1_0.txt).</span>
47<a name="l00007"></a>00007 <span class="comment"></span>
48<a name="l00008"></a>00008 <span class="comment"> See http://opensource.adobe.com/gil for most recent version including documentation.</span>
49<a name="l00009"></a>00009 <span class="comment">*/</span>
50<a name="l00010"></a>00010 <span class="comment">/*************************************************************************************************/</span>
51<a name="l00011"></a>00011
52<a name="l00012"></a>00012 <span class="preprocessor">#ifndef GIL_IMAGE_H</span>
53<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define GIL_IMAGE_H</span>
54<a name="l00014"></a>00014 <span class="preprocessor"></span>
55<a name="l00023"></a>00023
56<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;cstddef&gt;</span>
57<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;memory&gt;</span>
58<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="g_i_l_0094.html" title="GIL configuration file.">gil_config.hpp</a>"</span>
59<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="g_i_l_0225.html" title="image view class">image_view.hpp</a>"</span>
60<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="g_i_l_0238.html" title="metafunctions that construct types or return type properties">metafunctions.hpp</a>"</span>
61<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="algorithm_8hpp.html" title="Some basic STL-style algorithms when applied to image views.">algorithm.hpp</a>"</span>
62<a name="l00030"></a>00030
63<a name="l00031"></a>00031 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {
64<a name="l00032"></a>00032
65<a name="l00033"></a>00033 <span class="comment">//#ifdef _MSC_VER</span>
66<a name="l00034"></a>00034 <span class="comment">//#pragma warning(push)</span>
67<a name="l00035"></a>00035 <span class="comment">//#pragma warning(disable : 4244) // conversion from 'gil::image&lt;V,Alloc&gt;::coord_t' to 'int', possible loss of data (visual studio compiler doesn't realize that the two types are the same)</span>
68<a name="l00036"></a>00036 <span class="comment">//#endif</span>
69<a name="l00037"></a>00037
70<a name="l00049"></a>00049
71<a name="l00050"></a>00050 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc=std::allocator&lt;<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>&gt; &gt;
72<a name="l00051"></a><a class="code" href="g_i_l_0038.html">00051</a> <span class="keyword">class </span><a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> {
73<a name="l00052"></a>00052 <span class="keyword">public</span>:
74<a name="l00053"></a>00053 <span class="keyword">typedef</span> <span class="keyword">typename</span> Alloc::template rebind&lt;unsigned char&gt;::other allocator_type;
75<a name="l00054"></a>00054 <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0635.html" title="Returns the type of a view the pixel type, whether it operates on planar data and...">view_type_from_pixel&lt;Pixel, IsPlanar&gt;::type</a> view_t;
76<a name="l00055"></a>00055 <span class="keyword">typedef</span> <span class="keyword">typename</span> view_t::const_t const_view_t;
77<a name="l00056"></a>00056 <span class="keyword">typedef</span> <span class="keyword">typename</span> view_t::point_t point_t;
78<a name="l00057"></a>00057 <span class="keyword">typedef</span> <span class="keyword">typename</span> view_t::coord_t coord_t;
79<a name="l00058"></a>00058 <span class="keyword">typedef</span> <span class="keyword">typename</span> view_t::value_type value_type;
80<a name="l00059"></a>00059 <span class="keyword">typedef</span> coord_t x_coord_t;
81<a name="l00060"></a>00060 <span class="keyword">typedef</span> coord_t y_coord_t;
82<a name="l00061"></a>00061
83<a name="l00062"></a>00062 <span class="keyword">const</span> point_t&amp; dimensions()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _view.dimensions(); }
84<a name="l00063"></a>00063 x_coord_t width()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _view.width(); }
85<a name="l00064"></a>00064 y_coord_t height()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _view.height(); }
86<a name="l00065"></a>00065
87<a name="l00066"></a>00066 <span class="keyword">explicit</span> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a>(std::size_t alignment=0,
88<a name="l00067"></a>00067 <span class="keyword">const</span> Alloc alloc_in = Alloc()) :
89<a name="l00068"></a>00068 _memory(0), _align_in_bytes(alignment), _alloc(alloc_in) {}
90<a name="l00069"></a>00069
91<a name="l00070"></a>00070 <span class="comment">// Create with dimensions and optional initial value and alignment</span>
92<a name="l00071"></a>00071 <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a>(<span class="keyword">const</span> point_t&amp; dimensions,
93<a name="l00072"></a>00072 std::size_t alignment=0,
94<a name="l00073"></a>00073 <span class="keyword">const</span> Alloc alloc_in = Alloc()) : _memory(0), _align_in_bytes(alignment), _alloc(alloc_in) {
95<a name="l00074"></a>00074 allocate_and_default_construct(dimensions);
96<a name="l00075"></a>00075 }
97<a name="l00076"></a>00076 <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a>(x_coord_t width, y_coord_t height,
98<a name="l00077"></a>00077 std::size_t alignment=0,
99<a name="l00078"></a>00078 <span class="keyword">const</span> Alloc alloc_in = Alloc()) : _memory(0), _align_in_bytes(alignment), _alloc(alloc_in) {
100<a name="l00079"></a>00079 allocate_and_default_construct(point_t(width,height));
101<a name="l00080"></a>00080 }
102<a name="l00081"></a>00081 <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a>(<span class="keyword">const</span> point_t&amp; dimensions,
103<a name="l00082"></a>00082 <span class="keyword">const</span> Pixel&amp; p_in,
104<a name="l00083"></a>00083 std::size_t alignment,
105<a name="l00084"></a>00084 <span class="keyword">const</span> Alloc alloc_in = Alloc()) :
106<a name="l00085"></a>00085 _memory(0), _align_in_bytes(alignment), _alloc(alloc_in) {
107<a name="l00086"></a>00086 allocate_and_fill(dimensions, p_in);
108<a name="l00087"></a>00087 }
109<a name="l00088"></a>00088 <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a>(x_coord_t width, y_coord_t height,
110<a name="l00089"></a>00089 <span class="keyword">const</span> Pixel&amp; p_in,
111<a name="l00090"></a>00090 std::size_t alignment,
112<a name="l00091"></a>00091 <span class="keyword">const</span> Alloc alloc_in = Alloc()) :
113<a name="l00092"></a>00092 _memory(0), _align_in_bytes(alignment), _alloc(alloc_in) {
114<a name="l00093"></a>00093 allocate_and_fill(point_t(width,height),p_in);
115<a name="l00094"></a>00094 }
116<a name="l00095"></a>00095
117<a name="l00096"></a>00096 <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a>(<span class="keyword">const</span> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a>&amp; img) :
118<a name="l00097"></a>00097 _memory(0), _align_in_bytes(img.<a class="code" href="g_i_l_0038.html#7934d8e50af85934aa82c1c138803c94">_align_in_bytes</a>), _alloc(img.<a class="code" href="g_i_l_0038.html#20191ef8d73669d6e4df5667f5faf362">_alloc</a>) {
119<a name="l00098"></a>00098 allocate_and_copy(img.<a class="code" href="g_i_l_0038.html#f723fb36aee62ac02924637371797b7a">dimensions</a>(),img.<a class="code" href="g_i_l_0038.html#f0b0c4c1267ee1f0ec635a4b2d00ec98">_view</a>);
120<a name="l00099"></a>00099 }
121<a name="l00100"></a>00100
122<a name="l00101"></a>00101 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P2, <span class="keywordtype">bool</span> IP2, <span class="keyword">typename</span> Alloc2&gt;
123<a name="l00102"></a>00102 <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a>(<span class="keyword">const</span> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;P2,IP2,Alloc2&gt;</a>&amp; img) :
124<a name="l00103"></a>00103 _memory(0), _align_in_bytes(img.<a class="code" href="g_i_l_0038.html#7934d8e50af85934aa82c1c138803c94">_align_in_bytes</a>), _alloc(img.<a class="code" href="g_i_l_0038.html#20191ef8d73669d6e4df5667f5faf362">_alloc</a>) {
125<a name="l00104"></a>00104 allocate_and_copy(img.<a class="code" href="g_i_l_0038.html#f723fb36aee62ac02924637371797b7a">dimensions</a>(),img.<a class="code" href="g_i_l_0038.html#f0b0c4c1267ee1f0ec635a4b2d00ec98">_view</a>);
126<a name="l00105"></a>00105 }
127<a name="l00106"></a>00106 image&amp; operator=(<span class="keyword">const</span> image&amp; img) {
128<a name="l00107"></a>00107 <span class="keywordflow">if</span> (dimensions() == img.<a class="code" href="g_i_l_0038.html#f723fb36aee62ac02924637371797b7a">dimensions</a>())
129<a name="l00108"></a>00108 <a class="code" href="g_i_l_0145.html#g16f18749152217a2b84733c330a2b415" title="std::copy for image views">copy_pixels</a>(img.<a class="code" href="g_i_l_0038.html#f0b0c4c1267ee1f0ec635a4b2d00ec98">_view</a>,_view);
130<a name="l00109"></a>00109 <span class="keywordflow">else</span> {
131<a name="l00110"></a>00110 image tmp(img);
132<a name="l00111"></a>00111 swap(tmp);
133<a name="l00112"></a>00112 }
134<a name="l00113"></a>00113 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
135<a name="l00114"></a>00114 }
136<a name="l00115"></a>00115
137<a name="l00116"></a>00116 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Img&gt;
138<a name="l00117"></a>00117 image&amp; operator=(<span class="keyword">const</span> Img&amp; img) {
139<a name="l00118"></a>00118 <span class="keywordflow">if</span> (dimensions() == img.dimensions())
140<a name="l00119"></a>00119 <a class="code" href="g_i_l_0145.html#g16f18749152217a2b84733c330a2b415" title="std::copy for image views">copy_pixels</a>(img._view,_view);
141<a name="l00120"></a>00120 <span class="keywordflow">else</span> {
142<a name="l00121"></a>00121 image tmp(img);
143<a name="l00122"></a>00122 swap(tmp);
144<a name="l00123"></a>00123 }
145<a name="l00124"></a>00124 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
146<a name="l00125"></a>00125 }
147<a name="l00126"></a>00126
148<a name="l00127"></a>00127 ~image() {
149<a name="l00128"></a>00128 <a class="code" href="g_i_l_0147.html#g5c465a97a10e15d9ce18a3c2fff7f91d" title="Invokes the in-place destructor on every pixel of the view.">destruct_pixels</a>(_view);
150<a name="l00129"></a>00129 deallocate(_view.dimensions());
151<a name="l00130"></a>00130 }
152<a name="l00131"></a>00131
153<a name="l00132"></a>00132 Alloc&amp; allocator() { <span class="keywordflow">return</span> _alloc; }
154<a name="l00133"></a>00133 Alloc <span class="keyword">const</span>&amp; allocator()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _alloc; }
155<a name="l00134"></a>00134
156<a name="l00135"></a>00135 <span class="keywordtype">void</span> swap(image&amp; img) { <span class="comment">// required by MutableContainerConcept</span>
157<a name="l00136"></a>00136 <span class="keyword">using</span> std::swap;
158<a name="l00137"></a>00137 swap(_align_in_bytes, img.<a class="code" href="g_i_l_0038.html#7934d8e50af85934aa82c1c138803c94">_align_in_bytes</a>);
159<a name="l00138"></a>00138 swap(_memory, img.<a class="code" href="g_i_l_0038.html#4dac70d11e580dd17433c7cc64942596">_memory</a>);
160<a name="l00139"></a>00139 swap(_view, img.<a class="code" href="g_i_l_0038.html#f0b0c4c1267ee1f0ec635a4b2d00ec98">_view</a>);
161<a name="l00140"></a>00140 swap(_alloc, img.<a class="code" href="g_i_l_0038.html#20191ef8d73669d6e4df5667f5faf362">_alloc</a>);
162<a name="l00141"></a>00141 }
163<a name="l00142"></a>00142
164<a name="l00143"></a>00143 <span class="keywordtype">void</span> recreate(<span class="keyword">const</span> point_t&amp; dims, std::size_t alignment=0, <span class="keyword">const</span> Alloc alloc_in = Alloc()) {
165<a name="l00144"></a>00144 <span class="keywordflow">if</span> (dims!=_view.dimensions() || _align_in_bytes!=alignment || alloc_in!=_alloc) {
166<a name="l00145"></a>00145 image tmp(dims, alignment, alloc_in);
167<a name="l00146"></a>00146 swap(tmp);
168<a name="l00147"></a>00147 }
169<a name="l00148"></a>00148 }
170<a name="l00149"></a>00149 <span class="keywordtype">void</span> recreate(x_coord_t width, y_coord_t height, std::size_t alignment=0, <span class="keyword">const</span> Alloc alloc_in = Alloc()) {
171<a name="l00150"></a>00150 recreate(point_t(width,height),alignment,alloc_in);
172<a name="l00151"></a>00151 }
173<a name="l00152"></a>00152 <span class="keywordtype">void</span> recreate(<span class="keyword">const</span> point_t&amp; dims,
174<a name="l00153"></a>00153 <span class="keyword">const</span> Pixel&amp; p_in, std::size_t alignment, <span class="keyword">const</span> Alloc alloc_in = Alloc()) {
175<a name="l00154"></a>00154 <span class="keywordflow">if</span> (dims!=_view.dimensions() || _align_in_bytes!=alignment || alloc_in!=_alloc) {
176<a name="l00155"></a>00155 image tmp(dims, p_in, alignment, alloc_in);
177<a name="l00156"></a>00156 swap(tmp);
178<a name="l00157"></a>00157 }
179<a name="l00158"></a>00158 }
180<a name="l00159"></a>00159 <span class="keywordtype">void</span> recreate(x_coord_t width, y_coord_t height,
181<a name="l00160"></a>00160 <span class="keyword">const</span> Pixel&amp; p_in, std::size_t alignment, <span class="keyword">const</span> Alloc alloc_in = Alloc()) {
182<a name="l00161"></a>00161 recreate(point_t(width,height),p_in,alignment,alloc_in);
183<a name="l00162"></a>00162 }
184<a name="l00163"></a>00163
185<a name="l00164"></a>00164 view_t _view; <span class="comment">// contains pointer to the pixels, the image size and ways to navigate pixels</span>
186<a name="l00165"></a>00165 <span class="keyword">private</span>:
187<a name="l00166"></a>00166 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* _memory;
188<a name="l00167"></a>00167 std::size_t _align_in_bytes;
189<a name="l00168"></a>00168 allocator_type _alloc;
190<a name="l00169"></a>00169
191<a name="l00170"></a>00170 <span class="keywordtype">void</span> allocate_and_default_construct(<span class="keyword">const</span> point_t&amp; dimensions) {
192<a name="l00171"></a>00171 <span class="keywordflow">try</span> {
193<a name="l00172"></a>00172 allocate_(dimensions,mpl::bool_&lt;IsPlanar&gt;());
194<a name="l00173"></a>00173 <a class="code" href="g_i_l_0146.html#g523e1cfd5c8023f14055cb52489431c8" title="Invokes the in-place default constructor on every pixel of the (uninitialized) view...">default_construct_pixels</a>(_view);
195<a name="l00174"></a>00174 } <span class="keywordflow">catch</span>(...) { deallocate(dimensions); <span class="keywordflow">throw</span>; }
196<a name="l00175"></a>00175 }
197<a name="l00176"></a>00176
198<a name="l00177"></a>00177 <span class="keywordtype">void</span> allocate_and_fill(<span class="keyword">const</span> point_t&amp; dimensions, <span class="keyword">const</span> Pixel&amp; p_in) {
199<a name="l00178"></a>00178 <span class="keywordflow">try</span> {
200<a name="l00179"></a>00179 allocate_(dimensions,mpl::bool_&lt;IsPlanar&gt;());
201<a name="l00180"></a>00180 <a class="code" href="g_i_l_0156.html#g4f5edbc3fe6b776c6aa1939902333cf3" title="std::uninitialized_fill for image views. Does not support planar heterogeneous views...">uninitialized_fill_pixels</a>(_view, p_in);
202<a name="l00181"></a>00181 } <span class="keywordflow">catch</span>(...) { deallocate(dimensions); <span class="keywordflow">throw</span>; }
203<a name="l00182"></a>00182 }
204<a name="l00183"></a>00183
205<a name="l00184"></a>00184 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> View&gt;
206<a name="l00185"></a>00185 <span class="keywordtype">void</span> allocate_and_copy(<span class="keyword">const</span> point_t&amp; dimensions, <span class="keyword">const</span> View&amp; v) {
207<a name="l00186"></a>00186 <span class="keywordflow">try</span> {
208<a name="l00187"></a>00187 allocate_(dimensions,mpl::bool_&lt;IsPlanar&gt;());
209<a name="l00188"></a>00188 <a class="code" href="g_i_l_0155.html#ge33d703beb3b085809b3b3ca64cc8906" title="std::uninitialized_copy for image views. Does not support planar heterogeneous views...">uninitialized_copy_pixels</a>(v,_view);
210<a name="l00189"></a>00189 } <span class="keywordflow">catch</span>(...) { deallocate(dimensions); <span class="keywordflow">throw</span>; }
211<a name="l00190"></a>00190 }
212<a name="l00191"></a>00191
213<a name="l00192"></a>00192 <span class="keywordtype">void</span> deallocate(<span class="keyword">const</span> point_t&amp; dimensions) {
214<a name="l00193"></a>00193 <span class="keywordflow">if</span> (_memory) _alloc.deallocate(_memory, total_allocated_size_in_bytes(dimensions));
215<a name="l00194"></a>00194 }
216<a name="l00195"></a>00195
217<a name="l00196"></a>00196 std::size_t total_allocated_size_in_bytes(<span class="keyword">const</span> point_t&amp; dimensions)<span class="keyword"> const </span>{
218<a name="l00197"></a>00197 std::size_t size_in_units = get_row_size_in_memunits(dimensions.x)*dimensions.y;
219<a name="l00198"></a>00198 <span class="keywordflow">if</span> (IsPlanar)
220<a name="l00199"></a>00199 size_in_units = size_in_units*<a class="code" href="g_i_l_0581.html" title="Returns the number of channels of a pixel-based GIL construct.">num_channels&lt;view_t&gt;::value</a>;
221<a name="l00200"></a>00200
222<a name="l00201"></a>00201 <span class="comment">// return the size rounded up to the nearest byte</span>
223<a name="l00202"></a>00202 <span class="keywordflow">return</span> (size_in_units + <a class="code" href="g_i_l_0406.html">byte_to_memunit&lt;typename view_t::x_iterator&gt;::value</a> - 1) / <a class="code" href="g_i_l_0406.html">byte_to_memunit&lt;typename view_t::x_iterator&gt;::value</a>
224<a name="l00203"></a>00203 + (_align_in_bytes&gt;0 ? _align_in_bytes-1:0); <span class="comment">// add extra padding in case we need to align the first image pixel</span>
225<a name="l00204"></a>00204 }
226<a name="l00205"></a>00205
227<a name="l00206"></a>00206 std::size_t get_row_size_in_memunits(x_coord_t width)<span class="keyword"> const </span>{ <span class="comment">// number of units per row</span>
228<a name="l00207"></a>00207 std::size_t size_in_memunits = width*memunit_step(<span class="keyword">typename</span> view_t::x_iterator());
229<a name="l00208"></a>00208 <span class="keywordflow">if</span> (_align_in_bytes&gt;0) {
230<a name="l00209"></a>00209 std::size_t alignment_in_memunits=_align_in_bytes*<a class="code" href="g_i_l_0406.html">byte_to_memunit&lt;typename view_t::x_iterator&gt;::value</a>;
231<a name="l00210"></a>00210 <span class="keywordflow">return</span> align(size_in_memunits, alignment_in_memunits);
232<a name="l00211"></a>00211 }
233<a name="l00212"></a>00212 <span class="keywordflow">return</span> size_in_memunits;
234<a name="l00213"></a>00213 }
235<a name="l00214"></a>00214
236<a name="l00215"></a>00215 <span class="keywordtype">void</span> allocate_(<span class="keyword">const</span> point_t&amp; dimensions, mpl::false_) { <span class="comment">// if it throws and _memory!=0 the client must deallocate _memory</span>
237<a name="l00216"></a>00216 _memory=_alloc.allocate(total_allocated_size_in_bytes(dimensions));
238<a name="l00217"></a>00217 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* tmp=(_align_in_bytes&gt;0) ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)align((std::size_t)_memory,_align_in_bytes) : _memory;
239<a name="l00218"></a>00218 _view=view_t(dimensions,<span class="keyword">typename</span> view_t::locator(<span class="keyword">typename</span> view_t::x_iterator(tmp),get_row_size_in_memunits(dimensions.x)));
240<a name="l00219"></a>00219 }
241<a name="l00220"></a>00220
242<a name="l00221"></a>00221 <span class="keywordtype">void</span> allocate_(<span class="keyword">const</span> point_t&amp; dimensions, mpl::true_) { <span class="comment">// if it throws and _memory!=0 the client must deallocate _memory</span>
243<a name="l00222"></a>00222 std::size_t row_size=get_row_size_in_memunits(dimensions.x);
244<a name="l00223"></a>00223 std::size_t plane_size=row_size*dimensions.y;
245<a name="l00224"></a>00224 _memory=_alloc.allocate(total_allocated_size_in_bytes(dimensions));
246<a name="l00225"></a>00225 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* tmp=(_align_in_bytes&gt;0) ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)align((std::size_t)_memory,_align_in_bytes) : _memory;
247<a name="l00226"></a>00226 <span class="keyword">typename</span> view_t::x_iterator first;
248<a name="l00227"></a>00227 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;num_channels&lt;view_t&gt;::value; ++i) {
249<a name="l00228"></a>00228 dynamic_at_c(first,i) = (<span class="keyword">typename</span> channel_type&lt;view_t&gt;::type*)tmp;
250<a name="l00229"></a>00229 memunit_advance(dynamic_at_c(first,i), plane_size*i);
251<a name="l00230"></a>00230 }
252<a name="l00231"></a>00231 _view=view_t(dimensions, <span class="keyword">typename</span> view_t::locator(first, row_size));
253<a name="l00232"></a>00232 }
254<a name="l00233"></a>00233 };
255<a name="l00234"></a>00234
256<a name="l00235"></a>00235 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc&gt;
257<a name="l00236"></a>00236 <span class="keywordtype">void</span> swap(<a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;Pixel, IsPlanar, Alloc&gt;</a>&amp; im1,<a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;Pixel, IsPlanar, Alloc&gt;</a>&amp; im2) {
258<a name="l00237"></a>00237 im1.<a class="code" href="g_i_l_0038.html#ecbe6d01103834f8178f73465a19d58c">swap</a>(im2);
259<a name="l00238"></a>00238 }
260<a name="l00239"></a>00239
261<a name="l00240"></a>00240 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel1, <span class="keywordtype">bool</span> IsPlanar1, <span class="keyword">typename</span> Alloc1, <span class="keyword">typename</span> Pixel2, <span class="keywordtype">bool</span> IsPlanar2, <span class="keyword">typename</span> Alloc2&gt;
262<a name="l00241"></a>00241 <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> image&lt;Pixel1,IsPlanar1,Alloc1&gt;&amp; im1,<span class="keyword">const</span> image&lt;Pixel2,IsPlanar2,Alloc2&gt;&amp; im2) {
263<a name="l00242"></a>00242 <span class="keywordflow">if</span> ((<span class="keywordtype">void</span>*)(&amp;im1)==(<span class="keywordtype">void</span>*)(&amp;im2)) <span class="keywordflow">return</span> <span class="keyword">true</span>;
264<a name="l00243"></a>00243 <span class="keywordflow">if</span> (<a class="code" href="g_i_l_0135.html#g9e185237819e788838a0d337d21ab722" title="Returns the constant-pixel view of any image. The returned view is any view.">const_view</a>(im1).dimensions()!=<a class="code" href="g_i_l_0135.html#g9e185237819e788838a0d337d21ab722" title="Returns the constant-pixel view of any image. The returned view is any view.">const_view</a>(im2).dimensions()) <span class="keywordflow">return</span> <span class="keyword">false</span>;
265<a name="l00244"></a>00244 <span class="keywordflow">return</span> equal_pixels(<a class="code" href="g_i_l_0135.html#g9e185237819e788838a0d337d21ab722" title="Returns the constant-pixel view of any image. The returned view is any view.">const_view</a>(im1),<a class="code" href="g_i_l_0135.html#g9e185237819e788838a0d337d21ab722" title="Returns the constant-pixel view of any image. The returned view is any view.">const_view</a>(im2));
266<a name="l00245"></a>00245 }
267<a name="l00246"></a>00246 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel1, <span class="keywordtype">bool</span> IsPlanar1, <span class="keyword">typename</span> Alloc1, <span class="keyword">typename</span> Pixel2, <span class="keywordtype">bool</span> IsPlanar2, <span class="keyword">typename</span> Alloc2&gt;
268<a name="l00247"></a>00247 <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> image&lt;Pixel1,IsPlanar1,Alloc1&gt;&amp; im1,<span class="keyword">const</span> image&lt;Pixel2,IsPlanar2,Alloc2&gt;&amp; im2) {<span class="keywordflow">return</span> !(im1==im2);}
269<a name="l00248"></a>00248
270<a name="l00252"></a>00252
271<a name="l00254"></a>00254
272<a name="l00256"></a>00256 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc&gt; <span class="keyword">inline</span>
273<a name="l00257"></a><a class="code" href="g_i_l_0135.html#gad0335b7d343667d626556681486f198">00257</a> <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;Pixel,IsPlanar,Alloc&gt;::view_t</a>&amp; <a class="code" href="g_i_l_0135.html#g55e45a15dddfc0d870c2f7fb9739cb2e" title="Returns the non-constant-pixel view of any image. The returned view is any view.">view</a>(<a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;Pixel,IsPlanar,Alloc&gt;</a>&amp; img) { <span class="keywordflow">return</span> img.<a class="code" href="g_i_l_0038.html#f0b0c4c1267ee1f0ec635a4b2d00ec98">_view</a>; }
274<a name="l00258"></a>00258
275<a name="l00260"></a>00260 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc&gt; <span class="keyword">inline</span>
276<a name="l00261"></a><a class="code" href="g_i_l_0135.html#ged731349e60a30a3a241fd1809729996">00261</a> <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;Pixel,IsPlanar,Alloc&gt;::const_view_t</a> <a class="code" href="g_i_l_0135.html#g9e185237819e788838a0d337d21ab722" title="Returns the constant-pixel view of any image. The returned view is any view.">const_view</a>(<span class="keyword">const</span> <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;Pixel,IsPlanar,Alloc&gt;</a>&amp; img) {
277<a name="l00262"></a>00262 <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>typename <a class="code" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image&lt;Pixel,IsPlanar,Alloc&gt;::const_view_t</a><span class="keyword">&gt;</span>(img.<a class="code" href="g_i_l_0038.html#f0b0c4c1267ee1f0ec635a4b2d00ec98">_view</a>);
278<a name="l00263"></a>00263 }
279<a name="l00265"></a>00265
280<a name="l00267"></a>00267 <span class="comment">// PixelBasedConcept</span>
281<a name="l00269"></a>00269 <span class="comment"></span>
282<a name="l00270"></a>00270 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc&gt;
283<a name="l00271"></a>00271 <span class="keyword">struct </span>channel_type&lt;image&lt;Pixel,IsPlanar,Alloc&gt; &gt; : <span class="keyword">public</span> channel_type&lt;Pixel&gt; {};
284<a name="l00272"></a>00272
285<a name="l00273"></a>00273 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc&gt;
286<a name="l00274"></a>00274 <span class="keyword">struct </span>color_space_type&lt;image&lt;Pixel,IsPlanar,Alloc&gt; &gt; : <span class="keyword">public</span> color_space_type&lt;Pixel&gt; {};
287<a name="l00275"></a>00275
288<a name="l00276"></a>00276 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc&gt;
289<a name="l00277"></a>00277 <span class="keyword">struct </span>channel_mapping_type&lt;image&lt;Pixel,IsPlanar,Alloc&gt; &gt; : <span class="keyword">public</span> channel_mapping_type&lt;Pixel&gt; {};
290<a name="l00278"></a>00278
291<a name="l00279"></a>00279 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel, <span class="keywordtype">bool</span> IsPlanar, <span class="keyword">typename</span> Alloc&gt;
292<a name="l00280"></a>00280 <span class="keyword">struct </span>is_planar&lt;image&lt;Pixel,IsPlanar,Alloc&gt; &gt; : <span class="keyword">public</span> mpl::bool_&lt;IsPlanar&gt; {};
293<a name="l00281"></a>00281
294<a name="l00282"></a>00282 <span class="comment">//#ifdef _MSC_VER</span>
295<a name="l00283"></a>00283 <span class="comment">//#pragma warning(pop)</span>
296<a name="l00284"></a>00284 <span class="comment">//#endif</span>
297<a name="l00285"></a>00285
298<a name="l00286"></a>00286 } } <span class="comment">// namespace boost::gil</span>
299<a name="l00287"></a>00287
300<a name="l00288"></a>00288 <span class="preprocessor">#endif</span>
301</pre></div></div>
302<hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:14 2009 for Generic Image Library by&nbsp;
303<a href="http://www.doxygen.org/index.html">
304<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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