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<html><!-- Created using the cpp_pretty_printer from the dlib C++ library. See http://dlib.net for updates. --><head><title>dlib C++ Library - array2d_kernel.h</title></head><body bgcolor='white'><pre>
<font color='#009900'>// Copyright (C) 2006 Davis E. King ([email protected])
</font><font color='#009900'>// License: Boost Software License See LICENSE.txt for the full license.
</font><font color='#0000FF'>#ifndef</font> DLIB_ARRAY2D_KERNEl_1_
<font color='#0000FF'>#define</font> DLIB_ARRAY2D_KERNEl_1_
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='array2d_kernel_abstract.h.html'>array2d_kernel_abstract.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../algs.h.html'>../algs.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../interfaces/enumerable.h.html'>../interfaces/enumerable.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../serialize.h.html'>../serialize.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../geometry/rectangle.h.html'>../geometry/rectangle.h</a>"
<font color='#0000FF'>namespace</font> dlib
<b>{</b>
<font color='#0000FF'>template</font> <font color='#5555FF'><</font>
<font color='#0000FF'>typename</font> T,
<font color='#0000FF'>typename</font> mem_manager <font color='#5555FF'>=</font> default_memory_manager
<font color='#5555FF'>></font>
<font color='#0000FF'>class</font> <b><a name='array2d'></a>array2d</b> : <font color='#0000FF'>public</font> enumerable<font color='#5555FF'><</font>T<font color='#5555FF'>></font>
<b>{</b>
<font color='#009900'>/*!
INITIAL VALUE
- nc_ == 0
- nr_ == 0
- data == 0
- at_start_ == true
- cur == 0
- last == 0
CONVENTION
- nc_ == nc()
- nr_ == nc()
- if (data != 0) then
- last == a pointer to the last element in the data array
- data == pointer to an array of nc_*nr_ T objects
- else
- nc_ == 0
- nr_ == 0
- data == 0
- last == 0
- nr_ * nc_ == size()
- if (cur == 0) then
- current_element_valid() == false
- else
- current_element_valid() == true
- *cur == element()
- at_start_ == at_start()
!*/</font>
<font color='#0000FF'>class</font> row_helper;
<font color='#0000FF'>public</font>:
<font color='#009900'>// These typedefs are here for backwards compatibility with older versions of dlib.
</font> <font color='#0000FF'>typedef</font> array2d kernel_1a;
<font color='#0000FF'>typedef</font> array2d kernel_1a_c;
<font color='#0000FF'>typedef</font> T type;
<font color='#0000FF'>typedef</font> mem_manager mem_manager_type;
<font color='#0000FF'>typedef</font> T<font color='#5555FF'>*</font> iterator;
<font color='#0000FF'>typedef</font> <font color='#0000FF'>const</font> T<font color='#5555FF'>*</font> const_iterator;
<font color='#009900'>// -----------------------------------
</font>
<font color='#0000FF'>class</font> <b><a name='row'></a>row</b>
<b>{</b>
<font color='#009900'>/*!
CONVENTION
- nc_ == nc()
- for all x < nc_:
- (*this)[x] == data[x]
!*/</font>
<font color='#0000FF'>friend</font> <font color='#0000FF'>class</font> <b><a name='array2d'></a>array2d</b><font color='#5555FF'><</font>T,mem_manager<font color='#5555FF'>></font>;
<font color='#0000FF'>friend</font> <font color='#0000FF'>class</font> row_helper;
<font color='#0000FF'>public</font>:
<font color='#0000FF'><u>long</u></font> <b><a name='nc'></a>nc</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> nc_; <b>}</b>
<font color='#0000FF'>const</font> T<font color='#5555FF'>&</font> <b><a name='operator'></a>operator</b>[] <font face='Lucida Console'>(</font>
<font color='#0000FF'><u>long</u></font> column
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
<b>{</b>
<font color='#009900'>// make sure requires clause is not broken
</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font>column <font color='#5555FF'><</font> <font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>&</font><font color='#5555FF'>&</font> column <font color='#5555FF'>></font><font color='#5555FF'>=</font> <font color='#979000'>0</font>,
"<font color='#CC0000'>\tconst T& array2d::operator[](long column) const</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tThe column index given must be less than the number of columns.</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tthis: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font>
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tcolumn: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> column
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tnc(): </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>
<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font> data[column];
<b>}</b>
T<font color='#5555FF'>&</font> <b><a name='operator'></a>operator</b>[] <font face='Lucida Console'>(</font>
<font color='#0000FF'><u>long</u></font> column
<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#009900'>// make sure requires clause is not broken
</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font>column <font color='#5555FF'><</font> <font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>&</font><font color='#5555FF'>&</font> column <font color='#5555FF'>></font><font color='#5555FF'>=</font> <font color='#979000'>0</font>,
"<font color='#CC0000'>\tT& array2d::operator[](long column)</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tThe column index given must be less than the number of columns.</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tthis: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font>
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tcolumn: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> column
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tnc(): </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>
<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font> data[column];
<b>}</b>
<font color='#0000FF'>private</font>:
<b><a name='row'></a>row</b><font face='Lucida Console'>(</font>T<font color='#5555FF'>*</font> data_, <font color='#0000FF'><u>long</u></font> cols<font face='Lucida Console'>)</font> : data<font face='Lucida Console'>(</font>data_<font face='Lucida Console'>)</font>, nc_<font face='Lucida Console'>(</font>cols<font face='Lucida Console'>)</font> <b>{</b><b>}</b>
T<font color='#5555FF'>*</font> data;
<font color='#0000FF'><u>long</u></font> nc_;
<font color='#009900'>// restricted functions
</font> <b><a name='row'></a>row</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><b>{</b><b>}</b>
row<font color='#5555FF'>&</font> <b><a name='operator'></a>operator</b><font color='#5555FF'>=</font><font face='Lucida Console'>(</font>row<font color='#5555FF'>&</font><font face='Lucida Console'>)</font>;
<b>}</b>;
<font color='#009900'>// -----------------------------------
</font>
<b><a name='array2d'></a>array2d</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> :
data<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
nc_<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
nr_<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
cur<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
last<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
at_start_<font face='Lucida Console'>(</font><font color='#979000'>true</font><font face='Lucida Console'>)</font>
<b>{</b>
<b>}</b>
<b><a name='array2d'></a>array2d</b><font face='Lucida Console'>(</font>
<font color='#0000FF'><u>long</u></font> rows,
<font color='#0000FF'><u>long</u></font> cols
<font face='Lucida Console'>)</font> :
data<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
nc_<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
nr_<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
cur<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
last<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>,
at_start_<font face='Lucida Console'>(</font><font color='#979000'>true</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#009900'>// make sure requires clause is not broken
</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>cols <font color='#5555FF'>></font><font color='#5555FF'>=</font> <font color='#979000'>0</font> <font color='#5555FF'>&</font><font color='#5555FF'>&</font> rows <font color='#5555FF'>></font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>,
"<font color='#CC0000'>\t array2d::array2d(long rows, long cols)</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t The array2d can't have negative rows or columns.</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t this: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font>
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t cols: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> cols
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t rows: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> rows
<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>set_size</font><font face='Lucida Console'>(</font>rows,cols<font face='Lucida Console'>)</font>;
<b>}</b>
<b><a name='array2d'></a>array2d</b><font face='Lucida Console'>(</font><font color='#0000FF'>const</font> array2d<font color='#5555FF'>&</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font> <font color='#0000FF'>delete</font>; <font color='#009900'>// copy constructor
</font> array2d<font color='#5555FF'>&</font> <b><a name='operator'></a>operator</b><font color='#5555FF'>=</font><font face='Lucida Console'>(</font><font color='#0000FF'>const</font> array2d<font color='#5555FF'>&</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font> <font color='#0000FF'>delete</font>; <font color='#009900'>// assignment operator
</font>
<font color='#0000FF'>#ifdef</font> DLIB_HAS_RVALUE_REFERENCES
<b><a name='array2d'></a>array2d</b><font face='Lucida Console'>(</font>array2d<font color='#5555FF'>&</font><font color='#5555FF'>&</font> item<font face='Lucida Console'>)</font> : array2d<font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#BB00BB'>swap</font><font face='Lucida Console'>(</font>item<font face='Lucida Console'>)</font>;
<b>}</b>
array2d<font color='#5555FF'>&</font> <b><a name='operator'></a>operator</b><font color='#5555FF'>=</font> <font face='Lucida Console'>(</font>
array2d<font color='#5555FF'>&</font><font color='#5555FF'>&</font> rhs
<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#BB00BB'>swap</font><font face='Lucida Console'>(</font>rhs<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font> <font color='#5555FF'>*</font><font color='#0000FF'>this</font>;
<b>}</b>
<font color='#0000FF'>#endif</font>
<font color='#0000FF'>virtual</font> ~<b><a name='array2d'></a>array2d</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <b>{</b> <font color='#BB00BB'>clear</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <b>}</b>
<font color='#0000FF'><u>long</u></font> <b><a name='nc'></a>nc</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> nc_; <b>}</b>
<font color='#0000FF'><u>long</u></font> <b><a name='nr'></a>nr</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> nr_; <b>}</b>
row <b><a name='operator'></a>operator</b>[] <font face='Lucida Console'>(</font>
<font color='#0000FF'><u>long</u></font> row_
<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#009900'>// make sure requires clause is not broken
</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font>row_ <font color='#5555FF'><</font> <font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>&</font><font color='#5555FF'>&</font> row_ <font color='#5555FF'>></font><font color='#5555FF'>=</font> <font color='#979000'>0</font>,
"<font color='#CC0000'>\trow array2d::operator[](long row_)</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tThe row index given must be less than the number of rows.</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tthis: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font>
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\trow_: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> row_
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tnr(): </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>
<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font> <font color='#BB00BB'>row</font><font face='Lucida Console'>(</font>data<font color='#5555FF'>+</font>row_<font color='#5555FF'>*</font>nc_, nc_<font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'>const</font> row <b><a name='operator'></a>operator</b>[] <font face='Lucida Console'>(</font>
<font color='#0000FF'><u>long</u></font> row_
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
<b>{</b>
<font color='#009900'>// make sure requires clause is not broken
</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font>row_ <font color='#5555FF'><</font> <font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>&</font><font color='#5555FF'>&</font> row_ <font color='#5555FF'>></font><font color='#5555FF'>=</font> <font color='#979000'>0</font>,
"<font color='#CC0000'>\tconst row array2d::operator[](long row_) const</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tThe row index given must be less than the number of rows.</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tthis: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font>
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\trow_: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> row_
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tnr(): </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>
<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font> <font color='#BB00BB'>row</font><font face='Lucida Console'>(</font>data<font color='#5555FF'>+</font>row_<font color='#5555FF'>*</font>nc_, nc_<font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'><u>void</u></font> <b><a name='swap'></a>swap</b> <font face='Lucida Console'>(</font>
array2d<font color='#5555FF'>&</font> item
<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#BB00BB'>exchange</font><font face='Lucida Console'>(</font>data,item.data<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>exchange</font><font face='Lucida Console'>(</font>nr_,item.nr_<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>exchange</font><font face='Lucida Console'>(</font>nc_,item.nc_<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>exchange</font><font face='Lucida Console'>(</font>at_start_,item.at_start_<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>exchange</font><font face='Lucida Console'>(</font>cur,item.cur<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>exchange</font><font face='Lucida Console'>(</font>last,item.last<font face='Lucida Console'>)</font>;
pool.<font color='#BB00BB'>swap</font><font face='Lucida Console'>(</font>item.pool<font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'><u>void</u></font> <b><a name='clear'></a>clear</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>data <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>
<b>{</b>
pool.<font color='#BB00BB'>deallocate_array</font><font face='Lucida Console'>(</font>data<font face='Lucida Console'>)</font>;
nc_ <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
nr_ <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
data <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
at_start_ <font color='#5555FF'>=</font> <font color='#979000'>true</font>;
cur <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
last <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
<b>}</b>
<b>}</b>
<font color='#0000FF'><u>void</u></font> <b><a name='set_size'></a>set_size</b> <font face='Lucida Console'>(</font>
<font color='#0000FF'><u>long</u></font> rows,
<font color='#0000FF'><u>long</u></font> cols
<font face='Lucida Console'>)</font>;
<font color='#0000FF'><u>bool</u></font> <b><a name='at_start'></a>at_start</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> at_start_; <b>}</b>
<font color='#0000FF'><u>void</u></font> <b><a name='reset'></a>reset</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> at_start_ <font color='#5555FF'>=</font> <font color='#979000'>true</font>; cur <font color='#5555FF'>=</font> <font color='#979000'>0</font>; <b>}</b>
<font color='#0000FF'><u>bool</u></font> <b><a name='current_element_valid'></a>current_element_valid</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> <font face='Lucida Console'>(</font>cur <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>; <b>}</b>
<font color='#0000FF'>const</font> T<font color='#5555FF'>&</font> <b><a name='element'></a>element</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
<b>{</b>
<font color='#009900'>// make sure requires clause is not broken
</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font><font color='#BB00BB'>current_element_valid</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>true</font>,
"<font color='#CC0000'>\tconst T& array2d::element()()</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tYou can only call element() when you are at a valid one.</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tthis: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font>
<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font> <font color='#5555FF'>*</font>cur;
<b>}</b>
T<font color='#5555FF'>&</font> <b><a name='element'></a>element</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#009900'>// make sure requires clause is not broken
</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font><font color='#BB00BB'>current_element_valid</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>true</font>,
"<font color='#CC0000'>\tT& array2d::element()()</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tYou can only call element() when you are at a valid one.</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tthis: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font>
<font face='Lucida Console'>)</font>;
<font color='#0000FF'>return</font> <font color='#5555FF'>*</font>cur;
<b>}</b>
<font color='#0000FF'><u>bool</u></font> <b><a name='move_next'></a>move_next</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
<b>{</b>
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>cur <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>cur <font color='#5555FF'>!</font><font color='#5555FF'>=</font> last<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#5555FF'>+</font><font color='#5555FF'>+</font>cur;
<font color='#0000FF'>return</font> <font color='#979000'>true</font>;
<b>}</b>
cur <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
<font color='#0000FF'>return</font> <font color='#979000'>false</font>;
<b>}</b>
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>at_start_<font face='Lucida Console'>)</font>
<b>{</b>
cur <font color='#5555FF'>=</font> data;
at_start_ <font color='#5555FF'>=</font> <font color='#979000'>false</font>;
<font color='#0000FF'>return</font> <font face='Lucida Console'>(</font>data <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'>else</font>
<b>{</b>
<font color='#0000FF'>return</font> <font color='#979000'>false</font>;
<b>}</b>
<b>}</b>
<font color='#0000FF'><u>size_t</u></font> <b><a name='size'></a>size</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> <font color='#0000FF'>static_cast</font><font color='#5555FF'><</font><font color='#0000FF'><u>size_t</u></font><font color='#5555FF'>></font><font face='Lucida Console'>(</font>nc_<font face='Lucida Console'>)</font> <font color='#5555FF'>*</font> <font color='#0000FF'>static_cast</font><font color='#5555FF'><</font><font color='#0000FF'><u>size_t</u></font><font color='#5555FF'>></font><font face='Lucida Console'>(</font>nr_<font face='Lucida Console'>)</font>; <b>}</b>
<font color='#0000FF'><u>long</u></font> <b><a name='width_step'></a>width_step</b> <font face='Lucida Console'>(</font>
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
<b>{</b>
<font color='#0000FF'>return</font> nc_<font color='#5555FF'>*</font><font color='#0000FF'>sizeof</font><font face='Lucida Console'>(</font>T<font face='Lucida Console'>)</font>;
<b>}</b>
iterator <b><a name='begin'></a>begin</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>return</font> data;
<b>}</b>
iterator <b><a name='end'></a>end</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>return</font> data<font color='#5555FF'>+</font><font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;
<b>}</b>
const_iterator <b><a name='begin'></a>begin</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
<b>{</b>
<font color='#0000FF'>return</font> data;
<b>}</b>
const_iterator <b><a name='end'></a>end</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
<b>{</b>
<font color='#0000FF'>return</font> data<font color='#5555FF'>+</font><font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'>private</font>:
T<font color='#5555FF'>*</font> data;
<font color='#0000FF'><u>long</u></font> nc_;
<font color='#0000FF'><u>long</u></font> nr_;
<font color='#0000FF'>typename</font> mem_manager::<font color='#0000FF'>template</font> rebind<font color='#5555FF'><</font>T<font color='#5555FF'>></font>::other pool;
<font color='#0000FF'>mutable</font> T<font color='#5555FF'>*</font> cur;
T<font color='#5555FF'>*</font> last;
<font color='#0000FF'>mutable</font> <font color='#0000FF'><u>bool</u></font> at_start_;
<b>}</b>;
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<font color='#0000FF'>template</font> <font color='#5555FF'><</font>
<font color='#0000FF'>typename</font> T,
<font color='#0000FF'>typename</font> mem_manager
<font color='#5555FF'>></font>
<font color='#0000FF'>inline</font> <font color='#0000FF'><u>void</u></font> <b><a name='swap'></a>swap</b> <font face='Lucida Console'>(</font>
array2d<font color='#5555FF'><</font>T,mem_manager<font color='#5555FF'>></font><font color='#5555FF'>&</font> a,
array2d<font color='#5555FF'><</font>T,mem_manager<font color='#5555FF'>></font><font color='#5555FF'>&</font> b
<font face='Lucida Console'>)</font> <b>{</b> a.<font color='#BB00BB'>swap</font><font face='Lucida Console'>(</font>b<font face='Lucida Console'>)</font>; <b>}</b>
<font color='#0000FF'>template</font> <font color='#5555FF'><</font>
<font color='#0000FF'>typename</font> T,
<font color='#0000FF'>typename</font> mem_manager
<font color='#5555FF'>></font>
<font color='#0000FF'><u>void</u></font> <b><a name='serialize'></a>serialize</b> <font face='Lucida Console'>(</font>
<font color='#0000FF'>const</font> array2d<font color='#5555FF'><</font>T,mem_manager<font color='#5555FF'>></font><font color='#5555FF'>&</font> item,
std::ostream<font color='#5555FF'>&</font> out
<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>try</font>
<b>{</b>
<font color='#009900'>// The reason the serialization is a little funny is because we are trying to
</font> <font color='#009900'>// maintain backwards compatibility with an older serialization format used by
</font> <font color='#009900'>// dlib while also encoding things in a way that lets the array2d and matrix
</font> <font color='#009900'>// objects have compatible serialization formats.
</font> <font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font><font color='#5555FF'>-</font>item.<font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,out<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font><font color='#5555FF'>-</font>item.<font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,out<font face='Lucida Console'>)</font>;
item.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>item.<font color='#BB00BB'>move_next</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>item.<font color='#BB00BB'>element</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,out<font face='Lucida Console'>)</font>;
item.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>serialization_error<font color='#5555FF'>&</font> e<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>throw</font> <font color='#BB00BB'>serialization_error</font><font face='Lucida Console'>(</font>e.info <font color='#5555FF'>+</font> "<font color='#CC0000'>\n while serializing object of type array2d</font>"<font face='Lucida Console'>)</font>;
<b>}</b>
<b>}</b>
<font color='#0000FF'>template</font> <font color='#5555FF'><</font>
<font color='#0000FF'>typename</font> T,
<font color='#0000FF'>typename</font> mem_manager
<font color='#5555FF'>></font>
<font color='#0000FF'><u>void</u></font> <b><a name='deserialize'></a>deserialize</b> <font face='Lucida Console'>(</font>
array2d<font color='#5555FF'><</font>T,mem_manager<font color='#5555FF'>></font><font color='#5555FF'>&</font> item,
std::istream<font color='#5555FF'>&</font> in
<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>try</font>
<b>{</b>
<font color='#0000FF'><u>long</u></font> nr, nc;
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>nr,in<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>nc,in<font face='Lucida Console'>)</font>;
<font color='#009900'>// this is the newer serialization format
</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>nr <font color='#5555FF'><</font> <font color='#979000'>0</font> <font color='#5555FF'>|</font><font color='#5555FF'>|</font> nc <font color='#5555FF'><</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>
<b>{</b>
nr <font color='#5555FF'>*</font><font color='#5555FF'>=</font> <font color='#5555FF'>-</font><font color='#979000'>1</font>;
nc <font color='#5555FF'>*</font><font color='#5555FF'>=</font> <font color='#5555FF'>-</font><font color='#979000'>1</font>;
<b>}</b>
<font color='#0000FF'>else</font>
<b>{</b>
std::<font color='#BB00BB'>swap</font><font face='Lucida Console'>(</font>nr,nc<font face='Lucida Console'>)</font>;
<b>}</b>
item.<font color='#BB00BB'>set_size</font><font face='Lucida Console'>(</font>nr,nc<font face='Lucida Console'>)</font>;
<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>item.<font color='#BB00BB'>move_next</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>item.<font color='#BB00BB'>element</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,in<font face='Lucida Console'>)</font>;
item.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;
<b>}</b>
<font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>serialization_error<font color='#5555FF'>&</font> e<font face='Lucida Console'>)</font>
<b>{</b>
item.<font color='#BB00BB'>clear</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;
<font color='#0000FF'>throw</font> <font color='#BB00BB'>serialization_error</font><font face='Lucida Console'>(</font>e.info <font color='#5555FF'>+</font> "<font color='#CC0000'>\n while deserializing object of type array2d</font>"<font face='Lucida Console'>)</font>;
<b>}</b>
<b>}</b>
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font><font color='#009900'>// ----------------------------------------------------------------------------------------
</font> <font color='#009900'>// member function definitions
</font><font color='#009900'>// ----------------------------------------------------------------------------------------
</font><font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<font color='#0000FF'>template</font> <font color='#5555FF'><</font>
<font color='#0000FF'>typename</font> T,
<font color='#0000FF'>typename</font> mem_manager
<font color='#5555FF'>></font>
<font color='#0000FF'><u>void</u></font> array2d<font color='#5555FF'><</font>T,mem_manager<font color='#5555FF'>></font>::
<b><a name='set_size'></a>set_size</b> <font face='Lucida Console'>(</font>
<font color='#0000FF'><u>long</u></font> rows,
<font color='#0000FF'><u>long</u></font> cols
<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#009900'>// make sure requires clause is not broken
</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>cols <font color='#5555FF'>></font><font color='#5555FF'>=</font> <font color='#979000'>0</font> <font color='#5555FF'>&</font><font color='#5555FF'>&</font> rows <font color='#5555FF'>></font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font> ,
"<font color='#CC0000'>\tvoid array2d::set_size(long rows, long cols)</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tThe array2d can't have negative rows or columns.</font>"
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tthis: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font>
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\tcols: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> cols
<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\trows: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> rows
<font face='Lucida Console'>)</font>;
<font color='#009900'>// set the enumerator back at the start
</font> at_start_ <font color='#5555FF'>=</font> <font color='#979000'>true</font>;
cur <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
<font color='#009900'>// don't do anything if we are already the right size.
</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>nc_ <font color='#5555FF'>=</font><font color='#5555FF'>=</font> cols <font color='#5555FF'>&</font><font color='#5555FF'>&</font> nr_ <font color='#5555FF'>=</font><font color='#5555FF'>=</font> rows<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>return</font>;
<b>}</b>
nc_ <font color='#5555FF'>=</font> cols;
nr_ <font color='#5555FF'>=</font> rows;
<font color='#009900'>// free any existing memory
</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>data <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>
<b>{</b>
pool.<font color='#BB00BB'>deallocate_array</font><font face='Lucida Console'>(</font>data<font face='Lucida Console'>)</font>;
data <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
<b>}</b>
<font color='#009900'>// now setup this object to have the new size
</font> <font color='#0000FF'>try</font>
<b>{</b>
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>nr_ <font color='#5555FF'>></font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>
<b>{</b>
data <font color='#5555FF'>=</font> pool.<font color='#BB00BB'>allocate_array</font><font face='Lucida Console'>(</font>nr_<font color='#5555FF'>*</font>nc_<font face='Lucida Console'>)</font>;
last <font color='#5555FF'>=</font> data <font color='#5555FF'>+</font> nr_<font color='#5555FF'>*</font>nc_ <font color='#5555FF'>-</font> <font color='#979000'>1</font>;
<b>}</b>
<b>}</b>
<font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>...<font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>data<font face='Lucida Console'>)</font>
pool.<font color='#BB00BB'>deallocate_array</font><font face='Lucida Console'>(</font>data<font face='Lucida Console'>)</font>;
data <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
nc_ <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
nr_ <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
last <font color='#5555FF'>=</font> <font color='#979000'>0</font>;
<font color='#0000FF'>throw</font>;
<b>}</b>
<b>}</b>
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<font color='#0000FF'>template</font> <font color='#5555FF'><</font><font color='#0000FF'>typename</font> T, <font color='#0000FF'>typename</font> MM<font color='#5555FF'>></font>
<font color='#0000FF'>struct</font> <b><a name='is_array2d'></a>is_array2d</b> <font color='#5555FF'><</font>array2d<font color='#5555FF'><</font>T,MM<font color='#5555FF'>></font> <font color='#5555FF'>></font>
<b>{</b>
<font color='#0000FF'>const</font> <font color='#0000FF'>static</font> <font color='#0000FF'><u>bool</u></font> value <font color='#5555FF'>=</font> <font color='#979000'>true</font>;
<b>}</b>;
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<b>}</b>
<font color='#0000FF'>#endif</font> <font color='#009900'>// DLIB_ARRAY2D_KERNEl_1_
</font>
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