mirror of
https://github.com/boostorg/gil.git
synced 2026-02-10 11:32:18 +00:00
421 lines
59 KiB
HTML
421 lines
59 KiB
HTML
<!-- HTML header for doxygen 1.8.13-->
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.9.8"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>Generic Image Library: bit_aligned_pixel_reference.hpp Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
<link href="doxygen-boost.css" rel="stylesheet" type="text/css"/>
|
|
</head>
|
|
<body>
|
|
<div class="boost-header">
|
|
<table border="0" cellpadding="7" cellspacing="0" width="100%" summary="header">
|
|
<tr>
|
|
<td valign="top" width="300">
|
|
<h3><a href="../index.html"><img alt="Boost GIL" src="../_static/gil.png" border="0"></a></h3>
|
|
</td>
|
|
<td ><h1 align="center"><a href="../index.html"></a></h1></td>
|
|
<td></td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<hr/>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<!-- Generated by Doxygen 1.9.8 -->
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
$(function() {
|
|
initMenu('',false,false,'search.php','Search');
|
|
});
|
|
/* @license-end */
|
|
</script>
|
|
<div id="main-nav"></div>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt MIT */
|
|
$(document).ready(function() { init_codefold(0); });
|
|
/* @license-end */
|
|
</script>
|
|
<div id="nav-path" class="navpath">
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_1878a3f4746a95c6aad317458cc7ef80.html">boost</a></li><li class="navelem"><a class="el" href="dir_df4750f408086f9b9c1b5ee4251365ff.html">gil</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle"><div class="title">bit_aligned_pixel_reference.hpp</div></div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Copyright 2005-2007 Adobe Systems Incorporated</span></div>
|
|
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// Copyright 2019 Mateusz Loskot <mateusz at loskot dot net></span></div>
|
|
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">// Distributed under the Boost Software License, Version 1.0</span></div>
|
|
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// See accompanying file LICENSE_1_0.txt or copy at</span></div>
|
|
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">// http://www.boost.org/LICENSE_1_0.txt</span></div>
|
|
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#ifndef BOOST_GIL_BIT_ALIGNED_PIXEL_REFERENCE_HPP</span></div>
|
|
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#define BOOST_GIL_BIT_ALIGNED_PIXEL_REFERENCE_HPP</span></div>
|
|
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
|
|
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include <boost/gil/pixel.hpp></span></div>
|
|
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include <boost/gil/channel.hpp></span></div>
|
|
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <boost/gil/detail/mp11.hpp></span></div>
|
|
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
|
|
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <boost/assert.hpp></span></div>
|
|
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <boost/config.hpp></span></div>
|
|
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
|
|
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <functional></span></div>
|
|
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <type_traits></span></div>
|
|
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
|
|
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceboost.html">boost</a> { <span class="keyword">namespace </span>gil {</div>
|
|
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
|
|
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
|
|
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment">// bit_range</span></div>
|
|
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment">//</span></div>
|
|
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="comment">// Represents a range of bits that can span multiple consecutive bytes. The range has a size fixed at compile time, but the offset is specified at run time.</span></div>
|
|
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
|
|
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">template</span> <<span class="keywordtype">int</span> RangeSize, <span class="keywordtype">bool</span> IsMutable></div>
|
|
<div class="foldopen" id="foldopen00034" data-start="{" data-end="};">
|
|
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="classboost_1_1gil_1_1bit__range.html"> 34</a></span><span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a> {</div>
|
|
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">using </span>byte_t = mp11::mp_if_c<IsMutable, unsigned char, unsigned char const>;</div>
|
|
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">using </span>difference_type = std::ptrdiff_t;</div>
|
|
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">template</span> <<span class="keywordtype">int</span> RS, <span class="keywordtype">bool</span> M> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>;</div>
|
|
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> byte_t* _current_byte; <span class="comment">// the starting byte of the bit range</span></div>
|
|
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordtype">int</span> _bit_offset; <span class="comment">// offset from the beginning of the current byte. 0<=_bit_offset<=7</span></div>
|
|
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
|
|
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>() : _current_byte(<span class="keyword">nullptr</span>), _bit_offset(0) {}</div>
|
|
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>(byte_t* current_byte, <span class="keywordtype">int</span> bit_offset)</div>
|
|
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> : _current_byte(current_byte)</div>
|
|
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> , _bit_offset(bit_offset)</div>
|
|
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> {</div>
|
|
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> BOOST_ASSERT(bit_offset >= 0 && bit_offset < 8);</div>
|
|
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> }</div>
|
|
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
|
|
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>(<a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a> <span class="keyword">const</span>& br) : _current_byte(br._current_byte), _bit_offset(br._bit_offset) {}</div>
|
|
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">template</span> <<span class="keywordtype">bool</span> M> <a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>(<span class="keyword">const</span> <a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range<RangeSize,M></a>& br) : _current_byte(br._current_byte), _bit_offset(br._bit_offset) {}</div>
|
|
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
|
|
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">auto</span> operator=(<a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a> <span class="keyword">const</span>& br) -> <a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& { _current_byte = br._current_byte; _bit_offset=br._bit_offset; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div>
|
|
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordtype">bool</span> operator==(<a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a> <span class="keyword">const</span>& br)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _current_byte==br._current_byte && _bit_offset==br._bit_offset; }</div>
|
|
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
|
|
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">auto</span> operator++() -> <a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& {</div>
|
|
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> _current_byte += (_bit_offset+RangeSize) / 8;</div>
|
|
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> _bit_offset = (_bit_offset+RangeSize) % 8;</div>
|
|
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
|
|
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">auto</span> operator--() -> <a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a>& { bit_advance(-RangeSize); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div>
|
|
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
|
|
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordtype">void</span> bit_advance(difference_type num_bits) {</div>
|
|
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordtype">int</span> new_offset = int(_bit_offset+num_bits);</div>
|
|
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> _current_byte += new_offset / 8;</div>
|
|
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> _bit_offset = new_offset % 8;</div>
|
|
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">if</span> (_bit_offset<0) {</div>
|
|
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> _bit_offset+=8;</div>
|
|
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> --_current_byte;</div>
|
|
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> }</div>
|
|
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</div>
|
|
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
|
|
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">auto</span> bit_distance_to(<a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">bit_range</a> <span class="keyword">const</span>& b) <span class="keyword">const</span> -> difference_type</div>
|
|
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> {</div>
|
|
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> (b.current_byte() - current_byte())*8 + b.bit_offset()-bit_offset();</div>
|
|
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div>
|
|
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">auto</span> current_byte() <span class="keyword">const</span> -> byte_t* { <span class="keywordflow">return</span> _current_byte; }</div>
|
|
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">auto</span> bit_offset() <span class="keyword">const</span> -> <span class="keywordtype">int</span> { <span class="keywordflow">return</span> _bit_offset; }</div>
|
|
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>};</div>
|
|
</div>
|
|
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
|
|
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span><span class="keyword">template</span> <<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizes, <span class="keyword">typename</span> Layout, <span class="keywordtype">bool</span> IsMutable></div>
|
|
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><span class="keyword">struct </span>bit_aligned_pixel_reference</div>
|
|
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span>{</div>
|
|
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keywordtype">int</span> bit_size =</div>
|
|
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> mp11::mp_fold</div>
|
|
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <</div>
|
|
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> ChannelBitSizes,</div>
|
|
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::integral_constant<int, 0>,</div>
|
|
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> mp11::mp_plus</div>
|
|
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> >::value;</div>
|
|
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
|
|
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keyword">using </span>bit_range_t = <a class="code hl_class" href="classboost_1_1gil_1_1bit__range.html">boost::gil::bit_range<bit_size,IsMutable></a>;</div>
|
|
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">using </span>bitfield_t = BitField;</div>
|
|
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">using </span>data_ptr_t = mp11::mp_if_c<IsMutable, unsigned char*, const unsigned char*>;</div>
|
|
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
|
|
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">using </span>layout_t = Layout;</div>
|
|
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
|
|
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">using </span>value_type = <span class="keyword">typename</span> <a class="code hl_struct" href="structboost_1_1gil_1_1packed__pixel.html">packed_pixel_type<bitfield_t,ChannelBitSizes,Layout>::type</a>;</div>
|
|
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">using </span>reference = <span class="keyword">const</span> bit_aligned_pixel_reference<BitField, ChannelBitSizes, Layout, IsMutable>;</div>
|
|
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">using </span>const_reference = bit_aligned_pixel_reference<BitField,ChannelBitSizes,Layout,false> <span class="keyword">const</span>;</div>
|
|
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
|
|
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keywordtype">bool</span> is_mutable = IsMutable;</div>
|
|
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
|
|
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> bit_aligned_pixel_reference(){}</div>
|
|
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> bit_aligned_pixel_reference(data_ptr_t data_ptr, <span class="keywordtype">int</span> bit_offset) : _bit_range(data_ptr, bit_offset) {}</div>
|
|
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keyword">explicit</span> bit_aligned_pixel_reference(bit_range_t <span class="keyword">const</span>& bit_range) : _bit_range(bit_range) {}</div>
|
|
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
|
|
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">template</span> <<span class="keywordtype">bool</span> IsMutable2></div>
|
|
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> bit_aligned_pixel_reference(bit_aligned_pixel_reference<BitField,ChannelBitSizes,Layout,IsMutable2> <span class="keyword">const</span>& p) : _bit_range(p._bit_range) {}</div>
|
|
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
|
|
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="comment">// Grayscale references can be constructed from the channel reference</span></div>
|
|
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">explicit</span> bit_aligned_pixel_reference(<span class="keyword">typename</span> kth_element_type<bit_aligned_pixel_reference,0>::type <span class="keyword">const</span> channel0)</div>
|
|
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> : _bit_range(static_cast<data_ptr_t>(&channel0), channel0.first_bit())</div>
|
|
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> {</div>
|
|
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">static_assert</span>(num_channels<bit_aligned_pixel_reference>::value == 1, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> }</div>
|
|
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> </div>
|
|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="comment">// Construct from another compatible pixel type</span></div>
|
|
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> bit_aligned_pixel_reference(bit_aligned_pixel_reference <span class="keyword">const</span>& p)</div>
|
|
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> : _bit_range(p._bit_range) {}</div>
|
|
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
|
|
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// TODO: Why p by non-const reference?</span></div>
|
|
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">template</span> <<span class="keyword">typename</span> BF, <span class="keyword">typename</span> CR></div>
|
|
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> bit_aligned_pixel_reference(packed_pixel<BF, CR, Layout>& p)</div>
|
|
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> : _bit_range(static_cast<data_ptr_t>(&gil::at_c<0>(p)), gil::at_c<0>(p).first_bit())</div>
|
|
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> {</div>
|
|
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> check_compatible<packed_pixel<BF, CR, Layout>>();</div>
|
|
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> }</div>
|
|
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
|
|
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">auto</span> operator=(bit_aligned_pixel_reference <span class="keyword">const</span>& p) <span class="keyword">const</span></div>
|
|
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> -> bit_aligned_pixel_reference <span class="keyword">const</span>&</div>
|
|
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> {</div>
|
|
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> static_copy(p, *<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> }</div>
|
|
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
|
|
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">template</span> <<span class="keyword">typename</span> P></div>
|
|
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keyword">auto</span> operator=(P <span class="keyword">const</span>& p) <span class="keyword">const</span> -> bit_aligned_pixel_reference <span class="keyword">const</span>&</div>
|
|
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> {</div>
|
|
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> assign(p, is_pixel<P>());</div>
|
|
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> }</div>
|
|
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
|
|
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">template</span> <<span class="keyword">typename</span> P></div>
|
|
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordtype">bool</span> operator==(P <span class="keyword">const</span>& p)<span class="keyword"> const</span></div>
|
|
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span><span class="keyword"> </span>{</div>
|
|
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">return</span> <a class="code hl_function" href="group___s_t_l_optimizations.html#ga81c883ff7f9fd9e4a2d978a28d150688">equal</a>(p, is_pixel<P>());</div>
|
|
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> }</div>
|
|
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
|
|
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">template</span> <<span class="keyword">typename</span> P></div>
|
|
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordtype">bool</span> operator!=(P <span class="keyword">const</span>& p)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !(*<span class="keyword">this</span>==p); }</div>
|
|
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> </div>
|
|
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">auto</span> operator->() const -> bit_aligned_pixel_reference const* { <span class="keywordflow">return</span> <span class="keyword">this</span>; }</div>
|
|
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
|
|
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">auto</span> bit_range() const -> bit_range_t const& { <span class="keywordflow">return</span> _bit_range; }</div>
|
|
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
|
|
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span><span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">mutable</span> bit_range_t _bit_range;</div>
|
|
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> M></div>
|
|
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">friend</span> <span class="keyword">struct </span>bit_aligned_pixel_reference;</div>
|
|
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
|
|
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel> <span class="keyword">static</span> <span class="keywordtype">void</span> check_compatible() { gil_function_requires<PixelsCompatibleConcept<Pixel,bit_aligned_pixel_reference> >(); }</div>
|
|
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
|
|
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div>
|
|
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordtype">void</span> assign(Pixel <span class="keyword">const</span>& p, std::true_type)<span class="keyword"> const</span></div>
|
|
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span><span class="keyword"> </span>{</div>
|
|
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> check_compatible<Pixel>();</div>
|
|
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> static_copy(p, *<span class="keyword">this</span>);</div>
|
|
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> }</div>
|
|
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div>
|
|
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel></div>
|
|
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="group___s_t_l_optimizations.html#ga81c883ff7f9fd9e4a2d978a28d150688">equal</a>(Pixel <span class="keyword">const</span>& p, std::true_type)<span class="keyword"> const</span></div>
|
|
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span><span class="keyword"> </span>{</div>
|
|
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> check_compatible<Pixel>();</div>
|
|
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">return</span> static_equal(*<span class="keyword">this</span>, p);</div>
|
|
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> }</div>
|
|
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
|
|
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span><span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keyword">static</span> <span class="keywordtype">void</span> check_gray()</div>
|
|
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> {</div>
|
|
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keyword">static_assert</span>(std::is_same<typename Layout::color_space_t, gray_t>::value, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> }</div>
|
|
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
|
|
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Channel></div>
|
|
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordtype">void</span> assign(Channel <span class="keyword">const</span>& channel, std::false_type)<span class="keyword"> const</span></div>
|
|
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span><span class="keyword"> </span>{</div>
|
|
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> check_gray();</div>
|
|
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> gil::at_c<0>(*<span class="keyword">this</span>) = channel;</div>
|
|
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> }</div>
|
|
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
|
|
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Channel></div>
|
|
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="group___s_t_l_optimizations.html#ga81c883ff7f9fd9e4a2d978a28d150688">equal</a> (Channel <span class="keyword">const</span>& channel, std::false_type)<span class="keyword"> const</span></div>
|
|
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span><span class="keyword"> </span>{</div>
|
|
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> check_gray();</div>
|
|
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordflow">return</span> gil::at_c<0>(*<span class="keyword">this</span>) == channel;</div>
|
|
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> }</div>
|
|
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span>};</div>
|
|
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
|
|
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span><span class="comment">// ColorBasedConcept</span></div>
|
|
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div>
|
|
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span><span class="keyword">template</span> <<span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizes, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsMutable, <span class="keywordtype">int</span> K></div>
|
|
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="keyword">struct </span>kth_element_type</div>
|
|
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span><</div>
|
|
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> bit_aligned_pixel_reference<BitField, ChannelBitSizes, L, IsMutable>,</div>
|
|
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> K</div>
|
|
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span>></div>
|
|
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span>{</div>
|
|
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keyword">using </span>type = packed_dynamic_channel_reference</div>
|
|
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <</div>
|
|
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> BitField,</div>
|
|
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> mp11::mp_at_c<ChannelBitSizes, K>::value,</div>
|
|
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> IsMutable</div>
|
|
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> > <span class="keyword">const</span>;</div>
|
|
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span>};</div>
|
|
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> </div>
|
|
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span><span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> M, <span class="keywordtype">int</span> K></div>
|
|
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span><span class="keyword">struct </span>kth_element_reference_type<bit_aligned_pixel_reference<B,C,L,M>, K></div>
|
|
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> : <span class="keyword">public</span> kth_element_type<bit_aligned_pixel_reference<B,C,L,M>, K> {};</div>
|
|
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
|
|
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span><span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> M, <span class="keywordtype">int</span> K></div>
|
|
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span><span class="keyword">struct </span>kth_element_const_reference_type<bit_aligned_pixel_reference<B,C,L,M>, K></div>
|
|
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> : <span class="keyword">public</span> kth_element_type<bit_aligned_pixel_reference<B,C,L,M>, K> {};</div>
|
|
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> </div>
|
|
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span><span class="keyword">namespace </span>detail {</div>
|
|
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> </div>
|
|
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span><span class="comment">// returns sum of IntegralVector[0] ... IntegralVector[K-1]</span></div>
|
|
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span><span class="keyword">template</span> <<span class="keyword">typename</span> IntegralVector, <span class="keywordtype">int</span> K></div>
|
|
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span><span class="keyword">struct </span>sum_k</div>
|
|
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> : mp11::mp_plus</div>
|
|
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <</div>
|
|
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> sum_k<IntegralVector, K - 1>,</div>
|
|
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> typename mp11::mp_at_c<IntegralVector, K - 1>::type</div>
|
|
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> ></div>
|
|
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span>{};</div>
|
|
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
|
|
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span><span class="keyword">template</span> <<span class="keyword">typename</span> IntegralVector></div>
|
|
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span><span class="keyword">struct </span>sum_k<IntegralVector, 0> : std::integral_constant<int, 0> {};</div>
|
|
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> </div>
|
|
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span>} <span class="comment">// namespace detail</span></div>
|
|
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
|
|
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span><span class="comment">// at_c required by MutableColorBaseConcept</span></div>
|
|
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span><span class="keyword">template</span> <<span class="keywordtype">int</span> K, <span class="keyword">typename</span> BitField, <span class="keyword">typename</span> ChannelBitSizes, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> IsMutable></div>
|
|
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span><span class="keyword">inline</span></div>
|
|
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span><span class="keyword">auto</span> at_c(<span class="keyword">const</span> bit_aligned_pixel_reference<BitField, ChannelBitSizes, L, IsMutable>& p)</div>
|
|
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> -> <span class="keyword">typename</span> kth_element_reference_type<bit_aligned_pixel_reference<BitField, ChannelBitSizes, L, IsMutable>, K>::type</div>
|
|
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span>{</div>
|
|
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keyword">using </span>pixel_t = bit_aligned_pixel_reference<BitField, ChannelBitSizes, L, IsMutable>;</div>
|
|
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keyword">using </span>channel_t = <span class="keyword">typename</span> kth_element_reference_type<pixel_t, K>::type;</div>
|
|
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keyword">using </span>bit_range_t = <span class="keyword">typename</span> pixel_t::bit_range_t;</div>
|
|
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
|
|
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> bit_range_t bit_range(p.bit_range());</div>
|
|
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> bit_range.bit_advance(detail::sum_k<ChannelBitSizes, K>::value);</div>
|
|
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> </div>
|
|
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="keywordflow">return</span> channel_t(bit_range.current_byte(), bit_range.bit_offset());</div>
|
|
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span>}</div>
|
|
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
|
|
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span><span class="comment">// PixelConcept</span></div>
|
|
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
|
|
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span><span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> M></div>
|
|
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"><a class="line" href="structboost_1_1gil_1_1is__pixel_3_01bit__aligned__pixel__reference_3_01_b_00_01_c_00_01_l_00_01_m_01_4_01_4.html"> 300</a></span><span class="keyword">struct </span>is_pixel<bit_aligned_pixel_reference<B, C, L, M> > : std::true_type {};</div>
|
|
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> </div>
|
|
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span><span class="comment">// PixelBasedConcept</span></div>
|
|
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> </div>
|
|
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span><span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> M></div>
|
|
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span><span class="keyword">struct </span>color_space_type<bit_aligned_pixel_reference<B, C, L, M>></div>
|
|
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span>{</div>
|
|
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keyword">using </span>type = <span class="keyword">typename</span> L::color_space_t;</div>
|
|
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span>};</div>
|
|
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> </div>
|
|
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span><span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> M></div>
|
|
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span><span class="keyword">struct </span>channel_mapping_type<bit_aligned_pixel_reference<B, C, L, M>></div>
|
|
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span>{</div>
|
|
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keyword">using </span>type = <span class="keyword">typename</span> L::channel_mapping_t;</div>
|
|
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span>};</div>
|
|
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> </div>
|
|
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span><span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keywordtype">bool</span> M></div>
|
|
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span><span class="keyword">struct </span>is_planar<bit_aligned_pixel_reference<B, C, L, M>> : std::false_type {};</div>
|
|
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> </div>
|
|
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span><span class="comment">// pixel_reference_type</span></div>
|
|
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> </div>
|
|
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span><span class="comment">// Constructs a homogeneous bit_aligned_pixel_reference given a channel reference</span></div>
|
|
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span><span class="keyword">template</span> <<span class="keyword">typename</span> BitField, <span class="keywordtype">int</span> NumBits, <span class="keyword">typename</span> Layout></div>
|
|
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span><span class="keyword">struct </span>pixel_reference_type</div>
|
|
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <</div>
|
|
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> packed_dynamic_channel_reference<BitField, NumBits, false> const,</div>
|
|
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> Layout, false, false</div>
|
|
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> ></div>
|
|
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span>{</div>
|
|
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span><span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keyword">using </span>channel_bit_sizes_t = mp11::mp_repeat</div>
|
|
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <</div>
|
|
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> mp11::mp_list<std::integral_constant<unsigned, NumBits>>,</div>
|
|
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> mp11::mp_size<typename Layout::color_space_t></div>
|
|
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> >;</div>
|
|
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> </div>
|
|
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span><span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keyword">using </span>type =</div>
|
|
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> bit_aligned_pixel_reference<BitField, channel_bit_sizes_t, Layout, false>;</div>
|
|
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span>};</div>
|
|
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> </div>
|
|
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span><span class="comment">// Same but for the mutable case. We cannot combine the mutable</span></div>
|
|
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span><span class="comment">// and read-only cases because this triggers ambiguity</span></div>
|
|
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span><span class="keyword">template</span> <<span class="keyword">typename</span> BitField, <span class="keywordtype">int</span> NumBits, <span class="keyword">typename</span> Layout></div>
|
|
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span><span class="keyword">struct </span>pixel_reference_type</div>
|
|
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <</div>
|
|
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> packed_dynamic_channel_reference<BitField, NumBits, true> const,</div>
|
|
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> Layout, false, true</div>
|
|
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> ></div>
|
|
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span>{</div>
|
|
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span><span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keyword">using </span>channel_bit_sizes_t = mp11::mp_repeat</div>
|
|
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <</div>
|
|
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> mp11::mp_list<std::integral_constant<unsigned, NumBits>>,</div>
|
|
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> mp11::mp_size<typename Layout::color_space_t></div>
|
|
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> >;</div>
|
|
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> </div>
|
|
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span><span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keyword">using </span>type = bit_aligned_pixel_reference<BitField, channel_bit_sizes_t, Layout, true>;</div>
|
|
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span>};</div>
|
|
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> </div>
|
|
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span>} } <span class="comment">// namespace boost::gil</span></div>
|
|
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> </div>
|
|
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span><span class="keyword">namespace </span>std {</div>
|
|
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> </div>
|
|
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span><span class="comment">// We are forced to define swap inside std namespace because on some platforms (Visual Studio 8) STL calls swap qualified.</span></div>
|
|
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span><span class="comment">// swap with 'left bias':</span></div>
|
|
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span><span class="comment">// - swap between proxy and anything</span></div>
|
|
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span><span class="comment">// - swap between value type and proxy</span></div>
|
|
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span><span class="comment">// - swap between proxy and proxy</span></div>
|
|
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span><span class="comment">// Having three overloads allows us to swap between different (but compatible) models of PixelConcept</span></div>
|
|
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> </div>
|
|
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span><span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L, <span class="keyword">typename</span> R> <span class="keyword">inline</span></div>
|
|
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span><span class="keywordtype">void</span> swap(boost::gil::bit_aligned_pixel_reference<B,C,L,true> <span class="keyword">const</span> x, R& y) {</div>
|
|
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> boost::gil::swap_proxy<typename boost::gil::bit_aligned_pixel_reference<B,C,L,true>::value_type>(x,y);</div>
|
|
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span>}</div>
|
|
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> </div>
|
|
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> </div>
|
|
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span><span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L> <span class="keyword">inline</span></div>
|
|
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span><span class="keywordtype">void</span> swap(<span class="keyword">typename</span> boost::gil::bit_aligned_pixel_reference<B,C,L,true>::value_type& x, <span class="keyword">const</span> boost::gil::bit_aligned_pixel_reference<B,C,L,true> y) {</div>
|
|
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> boost::gil::swap_proxy<typename boost::gil::bit_aligned_pixel_reference<B,C,L,true>::value_type>(x,y);</div>
|
|
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span>}</div>
|
|
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> </div>
|
|
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> </div>
|
|
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span><span class="keyword">template</span> <<span class="keyword">typename</span> B, <span class="keyword">typename</span> C, <span class="keyword">typename</span> L> <span class="keyword">inline</span></div>
|
|
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span><span class="keywordtype">void</span> swap(boost::gil::bit_aligned_pixel_reference<B,C,L,true> <span class="keyword">const</span> x, <span class="keyword">const</span> boost::gil::bit_aligned_pixel_reference<B,C,L,true> y) {</div>
|
|
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> boost::gil::swap_proxy<typename boost::gil::bit_aligned_pixel_reference<B,C,L,true>::value_type>(x,y);</div>
|
|
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span>}</div>
|
|
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div>
|
|
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span>} <span class="comment">// namespace std</span></div>
|
|
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> </div>
|
|
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span><span class="preprocessor">#endif</span></div>
|
|
<div class="ttc" id="aclassboost_1_1gil_1_1bit__range_html"><div class="ttname"><a href="classboost_1_1gil_1_1bit__range.html">boost::gil::bit_range</a></div><div class="ttdef"><b>Definition</b> bit_aligned_pixel_reference.hpp:34</div></div>
|
|
<div class="ttc" id="agroup___s_t_l_optimizations_html_ga81c883ff7f9fd9e4a2d978a28d150688"><div class="ttname"><a href="group___s_t_l_optimizations.html#ga81c883ff7f9fd9e4a2d978a28d150688">std::equal</a></div><div class="ttdeci">BOOST_FORCEINLINE bool equal(boost::gil::iterator_from_2d< Loc1 > first, boost::gil::iterator_from_2d< Loc1 > last, boost::gil::iterator_from_2d< Loc2 > first2)</div><div class="ttdoc">std::equal(I1,I1,I2) with I1 and I2 being a iterator_from_2d</div><div class="ttdef"><b>Definition</b> algorithm.hpp:1087</div></div>
|
|
<div class="ttc" id="anamespaceboost_html"><div class="ttname"><a href="namespaceboost.html">boost</a></div><div class="ttdoc">defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)</div><div class="ttdef"><b>Definition</b> algorithm.hpp:36</div></div>
|
|
<div class="ttc" id="astructboost_1_1gil_1_1packed__pixel_html"><div class="ttname"><a href="structboost_1_1gil_1_1packed__pixel.html">boost::gil::packed_pixel</a></div><div class="ttdoc">Heterogeneous pixel value whose channel references can be constructed from the pixel bitfield and the...</div><div class="ttdef"><b>Definition</b> packed_pixel.hpp:50</div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<!-- HTML footer for doxygen 1.8.13-->
|
|
<!-- start footer part -->
|
|
<hr class="footer"/>
|
|
<address class="footer">
|
|
<small>
|
|
Generated by  <a href="http://www.doxygen.org/index.html">doxygen</a> 1.9.8
|
|
</small>
|
|
</address>
|
|
</body>
|
|
</html>
|