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  <div class="section" id="color4">
<h1>Color4<a class="headerlink" href="#color4" title="Permalink to this headline">¶</a></h1>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1">#include &lt;Imath/ImathColor.h&gt;</span>
</pre></div>
</div>
<p>The <code class="docutils literal notranslate"><span class="pre">Color4</span></code> class template represents a 4-component color (red,
green, blue, and alpha), with pre-defined typedefs of <code class="docutils literal notranslate"><span class="pre">unsigned</span>
<span class="pre">char</span></code>, <code class="docutils literal notranslate"><span class="pre">half</span></code>, and <code class="docutils literal notranslate"><span class="pre">float</span></code>.</p>
<p>The <code class="docutils literal notranslate"><span class="pre">Color4</span></code> class is <em>not</em> derived from <code class="docutils literal notranslate"><span class="pre">Vec4</span></code>. Its fields are
named <code class="docutils literal notranslate"><span class="pre">r</span></code>, <code class="docutils literal notranslate"><span class="pre">g</span></code>, <code class="docutils literal notranslate"><span class="pre">b</span></code>, and <code class="docutils literal notranslate"><span class="pre">a</span></code>. The class itself implies no
specific interpretation of the values.</p>
<p>There are also various utility functions that operate on colors
defined in <code class="docutils literal notranslate"><span class="pre">ImathColorAlgo.h</span></code> and described in <a class="reference internal" href="../functions/color.html#color-functions"><span class="std std-ref">Color Functions</span></a>.</p>
<p>Example:</p>
<div class="highlight-c++ notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf">&lt;Imath/ImathColor.h&gt;</span><span class="cp"></span>

<span class="kt">void</span>
<span class="nf">color4_example</span><span class="p">()</span>
<span class="p">{</span>
    <span class="n">Imath</span><span class="o">::</span><span class="n">C4f</span>   <span class="n">r</span> <span class="p">(</span><span class="mf">1.0f</span><span class="p">,</span> <span class="mf">0.0f</span><span class="p">,</span> <span class="mf">0.0f</span><span class="p">,</span> <span class="mf">1.0f</span><span class="p">);</span>
    <span class="n">Imath</span><span class="o">::</span><span class="n">C4f</span>   <span class="n">g</span> <span class="p">(</span><span class="mf">0.0f</span><span class="p">,</span> <span class="mf">1.0f</span><span class="p">,</span> <span class="mf">0.0f</span><span class="p">,</span> <span class="mf">1.0f</span><span class="p">);</span>
    <span class="n">Imath</span><span class="o">::</span><span class="n">C4f</span>   <span class="n">b</span> <span class="p">(</span><span class="mf">0.0f</span><span class="p">,</span> <span class="mf">0.0f</span><span class="p">,</span> <span class="mf">1.0f</span><span class="p">,</span> <span class="mf">1.0f</span><span class="p">);</span>
    
    <span class="n">Imath</span><span class="o">::</span><span class="n">C4f</span>   <span class="n">w</span> <span class="o">=</span> <span class="n">r</span> <span class="o">+</span> <span class="n">g</span> <span class="o">+</span> <span class="n">b</span><span class="p">;</span>

    <span class="n">assert</span> <span class="p">(</span><span class="n">w</span><span class="p">.</span><span class="n">r</span> <span class="o">==</span> <span class="mf">1.0f</span><span class="p">);</span>
    <span class="n">assert</span> <span class="p">(</span><span class="n">w</span><span class="p">.</span><span class="n">g</span> <span class="o">==</span> <span class="mf">1.0f</span><span class="p">);</span>
    <span class="n">assert</span> <span class="p">(</span><span class="n">w</span><span class="p">.</span><span class="n">b</span> <span class="o">==</span> <span class="mf">1.0f</span><span class="p">);</span>
    <span class="n">assert</span> <span class="p">(</span><span class="n">w</span><span class="p">.</span><span class="n">a</span> <span class="o">==</span> <span class="mf">3.0f</span><span class="p">);</span>
<span class="p">}</span>
</pre></div>
</div>
<dl class="cpp type">
<dt id="_CPPv4N5Imath7Color4cE">
<span id="_CPPv3N5Imath7Color4cE"></span><span id="_CPPv2N5Imath7Color4cE"></span><span id="Imath::Color4c"></span><span class="target" id="_imath_color_8h_1af1c5fb2ff006f15ad912b1f83a6015c8"></span><em class="property">typedef </em><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;unsigned char&gt; <code class="sig-prename descclassname">Imath<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">Color4c</code><a class="headerlink" href="#_CPPv4N5Imath7Color4cE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>4 8-bit integer channels </p>
</dd></dl>

<dl class="cpp type">
<dt id="_CPPv4N5Imath7Color4hE">
<span id="_CPPv3N5Imath7Color4hE"></span><span id="_CPPv2N5Imath7Color4hE"></span><span id="Imath::Color4h"></span><span class="target" id="_imath_color_8h_1ad7acdf2cd571fabe65bbcaea3d08c49f"></span><em class="property">typedef </em><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;<a class="reference internal" href="half.html#_CPPv4N5Imath4halfE" title="Imath::half">half</a>&gt; <code class="sig-prename descclassname">Imath<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">Color4h</code><a class="headerlink" href="#_CPPv4N5Imath7Color4hE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>4 half channels </p>
</dd></dl>

<dl class="cpp type">
<dt id="_CPPv4N5Imath7Color4fE">
<span id="_CPPv3N5Imath7Color4fE"></span><span id="_CPPv2N5Imath7Color4fE"></span><span id="Imath::Color4f"></span><span class="target" id="_imath_color_8h_1a5a40ce98e3a374fbeb6c2067152fa58f"></span><em class="property">typedef </em><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;float&gt; <code class="sig-prename descclassname">Imath<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">Color4f</code><a class="headerlink" href="#_CPPv4N5Imath7Color4fE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>4 float channels </p>
</dd></dl>

<dl class="cpp type">
<dt id="_CPPv4N5Imath3C4cE">
<span id="_CPPv3N5Imath3C4cE"></span><span id="_CPPv2N5Imath3C4cE"></span><span id="Imath::C4c"></span><span class="target" id="_imath_color_8h_1abf553f6a9620c141a2b46aa3a32936b1"></span><em class="property">typedef </em><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;unsigned char&gt; <code class="sig-prename descclassname">Imath<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">C4c</code><a class="headerlink" href="#_CPPv4N5Imath3C4cE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>4 8-bit integer channels </p>
</dd></dl>

<dl class="cpp type">
<dt id="_CPPv4N5Imath3C4hE">
<span id="_CPPv3N5Imath3C4hE"></span><span id="_CPPv2N5Imath3C4hE"></span><span id="Imath::C4h"></span><span class="target" id="_imath_color_8h_1a05023b000e1cc2fc098cfd465d3714fa"></span><em class="property">typedef </em><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;<a class="reference internal" href="half.html#_CPPv4N5Imath4halfE" title="Imath::half">half</a>&gt; <code class="sig-prename descclassname">Imath<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">C4h</code><a class="headerlink" href="#_CPPv4N5Imath3C4hE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>4 half channels </p>
</dd></dl>

<dl class="cpp type">
<dt id="_CPPv4N5Imath3C4fE">
<span id="_CPPv3N5Imath3C4fE"></span><span id="_CPPv2N5Imath3C4fE"></span><span id="Imath::C4f"></span><span class="target" id="_imath_color_8h_1a443acf60aefc098796610d91e4ba283e"></span><em class="property">typedef </em><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;float&gt; <code class="sig-prename descclassname">Imath<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">C4f</code><a class="headerlink" href="#_CPPv4N5Imath3C4fE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>4 float channels </p>
</dd></dl>

<dl class="cpp class">
<dt id="_CPPv4I0EN5Imath6Color4E">
<span id="_CPPv3I0EN5Imath6Color4E"></span><span id="_CPPv2I0EN5Imath6Color4E"></span>template&lt;class <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="class_imath_1_1_color4"></span><em class="property">class </em><code class="sig-prename descclassname">Imath<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">Color4</code><a class="headerlink" href="#_CPPv4I0EN5Imath6Color4E" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>A 4-channel color class: 3 channels plus alpha. </p>
<p>For convenience, the fields are named <code class="docutils literal notranslate"><span class="pre">r</span></code>, <code class="docutils literal notranslate"><span class="pre">g</span></code>, and <code class="docutils literal notranslate"><span class="pre">b</span></code>, although this class does not impose interpretation on the channels, which can represent either rgb or hsv color values. </p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Direct access to elements</p>
<dl class="cpp var">
<dt id="_CPPv4N5Imath6Color41rE">
<span id="_CPPv3N5Imath6Color41rE"></span><span id="_CPPv2N5Imath6Color41rE"></span><span id="Imath::Color4::r__T"></span><span class="target" id="class_imath_1_1_color4_1a8db5841a851830c815887a38ff7c017e"></span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <code class="sig-name descname">r</code><a class="headerlink" href="#_CPPv4N5Imath6Color41rE" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>

<dl class="cpp var">
<dt id="_CPPv4N5Imath6Color41gE">
<span id="_CPPv3N5Imath6Color41gE"></span><span id="_CPPv2N5Imath6Color41gE"></span><span id="Imath::Color4::g__T"></span><span class="target" id="class_imath_1_1_color4_1affeb2fe1e6b5db20a977244abea4c55c"></span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <code class="sig-name descname">g</code><a class="headerlink" href="#_CPPv4N5Imath6Color41gE" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>

<dl class="cpp var">
<dt id="_CPPv4N5Imath6Color41bE">
<span id="_CPPv3N5Imath6Color41bE"></span><span id="_CPPv2N5Imath6Color41bE"></span><span id="Imath::Color4::b__T"></span><span class="target" id="class_imath_1_1_color4_1acd9cf20a2cf73c438af1eae3b17c4804"></span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <code class="sig-name descname">b</code><a class="headerlink" href="#_CPPv4N5Imath6Color41bE" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>

<dl class="cpp var">
<dt id="_CPPv4N5Imath6Color41aE">
<span id="_CPPv3N5Imath6Color41aE"></span><span id="_CPPv2N5Imath6Color41aE"></span><span id="Imath::Color4::a__T"></span><span class="target" id="class_imath_1_1_color4_1ac54b7b1cea3b2c61a5041c150d7a9ed8"></span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <code class="sig-name descname">a</code><a class="headerlink" href="#_CPPv4N5Imath6Color41aE" title="Permalink to this definition">¶</a><br /></dt>
<dd></dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Constructors and Assignment</p>
<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color46Color4Ev">
<span id="_CPPv3N5Imath6Color46Color4Ev"></span><span id="_CPPv2N5Imath6Color46Color4Ev"></span><span id="Imath::Color4::Color4"></span><span class="target" id="class_imath_1_1_color4_1a356962424165b7ff947f0e505da43172"></span><em class="property">inline</em> <code class="sig-name descname">Color4</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color46Color4Ev" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>No initialization by default. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color46Color4E1T">
<span id="_CPPv3N5Imath6Color46Color4E1T"></span><span id="_CPPv2N5Imath6Color46Color4E1T"></span><span id="Imath::Color4::Color4__TCE"></span><span class="target" id="class_imath_1_1_color4_1aa773ff727bba237a47fd18eccbdba075"></span><em class="property">inline</em> <em class="property">explicit</em> <em class="property">constexpr</em> <code class="sig-name descname">Color4</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <em>a</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color46Color4E1T" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Initialize to <code class="docutils literal notranslate"><span class="pre">(a</span> <span class="pre">a</span> <span class="pre">a</span> <span class="pre">a)</span></code> </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color46Color4E1T1T1T1T">
<span id="_CPPv3N5Imath6Color46Color4E1T1T1T1T"></span><span id="_CPPv2N5Imath6Color46Color4E1T1T1T1T"></span><span id="Imath::Color4::Color4__T.T.T.TCE"></span><span class="target" id="class_imath_1_1_color4_1a8bcc5ccc798fad35954c49a48ca0b302"></span><em class="property">inline</em> <em class="property">constexpr</em> <code class="sig-name descname">Color4</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <em>a</em>, <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <em>b</em>, <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <em>c</em>, <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <em>d</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color46Color4E1T1T1T1T" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Initialize to <code class="docutils literal notranslate"><span class="pre">(a</span> <span class="pre">b</span> <span class="pre">c</span> <span class="pre">d)</span></code> </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color46Color4ERK6Color4">
<span id="_CPPv3N5Imath6Color46Color4ERK6Color4"></span><span id="_CPPv2N5Imath6Color46Color4ERK6Color4"></span><span id="Imath::Color4::Color4__Color4CRCE"></span><span class="target" id="class_imath_1_1_color4_1abab801eb946a02f10ded6d44c2c898a5"></span><em class="property">inline</em> <em class="property">constexpr</em> <code class="sig-name descname">Color4</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4N5Imath6Color46Color4ERK6Color4" title="Imath::Color4::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color46Color4ERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Construct from <a class="reference internal" href="#class_imath_1_1_color4"><span class="std std-ref">Color4</span></a>. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4I0EN5Imath6Color46Color4ERK6Color4I1SE">
<span id="_CPPv3I0EN5Imath6Color46Color4ERK6Color4I1SE"></span><span id="_CPPv2I0EN5Imath6Color46Color4ERK6Color4I1SE"></span>template&lt;class <code class="sig-name descname">S</code>&gt;<br /><span class="target" id="class_imath_1_1_color4_1a4cd1730e3079e592414afaa57887f709"></span><em class="property">inline</em> <em class="property">constexpr</em> <code class="sig-name descname">Color4</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color46Color4ERK6Color4I1SE" title="Imath::Color4::Color4">Color4</a>&lt;<a class="reference internal" href="#_CPPv4I0EN5Imath6Color46Color4ERK6Color4I1SE" title="Imath::Color4::Color4::S">S</a>&gt; &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4I0EN5Imath6Color46Color4ERK6Color4I1SE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Construct from <a class="reference internal" href="#class_imath_1_1_color4"><span class="std std-ref">Color4</span></a>. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color4D0Ev">
<span id="_CPPv3N5Imath6Color4D0Ev"></span><span id="_CPPv2N5Imath6Color4D0Ev"></span><span id="Imath::Color4::~Color4"></span><span class="target" id="class_imath_1_1_color4_1aa9de3d8eab2c03fe6a668dadab1eb25f"></span><code class="sig-name descname">~Color4</code><span class="sig-paren">(</span><span class="sig-paren">)</span> = default<a class="headerlink" href="#_CPPv4N5Imath6Color4D0Ev" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Destructor. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color4aSERK6Color4">
<span id="_CPPv3N5Imath6Color4aSERK6Color4"></span><span id="_CPPv2N5Imath6Color4aSERK6Color4"></span><span id="Imath::Color4::assign-operator__Color4CRCE"></span><span class="target" id="class_imath_1_1_color4_1a311f5bd78e14e82e5796a77d0b47e0d5"></span><em class="property">inline</em> <em class="property">constexpr</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<code class="sig-name descname">operator=</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color4aSERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Assignment. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color4ixEi">
<span id="_CPPv3N5Imath6Color4ixEi"></span><span id="_CPPv2N5Imath6Color4ixEi"></span><span id="Imath::Color4::subscript-operator__i"></span><span class="target" id="class_imath_1_1_color4_1a0ba8c99f36a08b46b1cd4c4c4a80dedf"></span><em class="property">inline</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> &amp;<code class="sig-name descname">operator[]</code><span class="sig-paren">(</span>int <em>i</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color4ixEi" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise value. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4NK5Imath6Color4ixEi">
<span id="_CPPv3NK5Imath6Color4ixEi"></span><span id="_CPPv2NK5Imath6Color4ixEi"></span><span id="Imath::Color4::subscript-operator__iC"></span><span class="target" id="class_imath_1_1_color4_1a9121cec13d0ff521e52efc3ade941507"></span><em class="property">inline</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> &amp;<code class="sig-name descname">operator[]</code><span class="sig-paren">(</span>int <em>i</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4NK5Imath6Color4ixEi" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise value. </p>
</dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Arithmetic and Comparison</p>
<dl class="cpp function">
<dt id="_CPPv4I0ENK5Imath6Color4eqEbRK6Color4I1SE">
<span id="_CPPv3I0ENK5Imath6Color4eqERK6Color4I1SE"></span><span id="_CPPv2I0ENK5Imath6Color4eqERK6Color4I1SE"></span>template&lt;class <code class="sig-name descname">S</code>&gt;<br /><span class="target" id="class_imath_1_1_color4_1abf7e0343b3e6cdef89210d8bdc9dbe85"></span><em class="property">inline</em> <em class="property">constexpr</em> bool <code class="sig-name descname">operator==</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;<a class="reference internal" href="#_CPPv4I0ENK5Imath6Color4eqEbRK6Color4I1SE" title="Imath::Color4::operator==::S">S</a>&gt; &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4I0ENK5Imath6Color4eqEbRK6Color4I1SE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Equality. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4I0ENK5Imath6Color4neEbRK6Color4I1SE">
<span id="_CPPv3I0ENK5Imath6Color4neERK6Color4I1SE"></span><span id="_CPPv2I0ENK5Imath6Color4neERK6Color4I1SE"></span>template&lt;class <code class="sig-name descname">S</code>&gt;<br /><span class="target" id="class_imath_1_1_color4_1acdabb6b9e7a12ce1edf22f5f839d0668"></span><em class="property">inline</em> <em class="property">constexpr</em> bool <code class="sig-name descname">operator!=</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;<a class="reference internal" href="#_CPPv4I0ENK5Imath6Color4neEbRK6Color4I1SE" title="Imath::Color4::operator!=::S">S</a>&gt; &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4I0ENK5Imath6Color4neEbRK6Color4I1SE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Inequality. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color4pLERK6Color4">
<span id="_CPPv3N5Imath6Color4pLERK6Color4"></span><span id="_CPPv2N5Imath6Color4pLERK6Color4"></span><span id="Imath::Color4::add-assign-operator__Color4CRCE"></span><span class="target" id="class_imath_1_1_color4_1a6985269812410d9497b1edb812bf8545"></span><em class="property">inline</em> <em class="property">constexpr</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<code class="sig-name descname">operator+=</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color4pLERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise addition. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4NK5Imath6Color4plERK6Color4">
<span id="_CPPv3NK5Imath6Color4plERK6Color4"></span><span id="_CPPv2NK5Imath6Color4plERK6Color4"></span><span id="Imath::Color4::add-operator__Color4CRCCE"></span><span class="target" id="class_imath_1_1_color4_1aeaf27ad31fd470a5f23c87991e979c64"></span><em class="property">inline</em> <em class="property">constexpr</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> <code class="sig-name descname">operator+</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4NK5Imath6Color4plERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise addition. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color4mIERK6Color4">
<span id="_CPPv3N5Imath6Color4mIERK6Color4"></span><span id="_CPPv2N5Imath6Color4mIERK6Color4"></span><span id="Imath::Color4::sub-assign-operator__Color4CRCE"></span><span class="target" id="class_imath_1_1_color4_1a43178a69fe927fbcd940548641202bbe"></span><em class="property">inline</em> <em class="property">constexpr</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<code class="sig-name descname">operator-=</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color4mIERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise subtraction. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4NK5Imath6Color4miERK6Color4">
<span id="_CPPv3NK5Imath6Color4miERK6Color4"></span><span id="_CPPv2NK5Imath6Color4miERK6Color4"></span><span id="Imath::Color4::sub-operator__Color4CRCCE"></span><span class="target" id="class_imath_1_1_color4_1aed5941ded54162fb9dbf9c9e3ce30496"></span><em class="property">inline</em> <em class="property">constexpr</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> <code class="sig-name descname">operator-</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4NK5Imath6Color4miERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise subtraction. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4NK5Imath6Color4miEv">
<span id="_CPPv3NK5Imath6Color4miEv"></span><span id="_CPPv2NK5Imath6Color4miEv"></span><span id="Imath::Color4::sub-operatorCCE"></span><span class="target" id="class_imath_1_1_color4_1a6cd4813d6c20c9385e9b2f6654bbf46a"></span><em class="property">inline</em> <em class="property">constexpr</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> <code class="sig-name descname">operator-</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4NK5Imath6Color4miEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise multiplication by -1. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color46negateEv">
<span id="_CPPv3N5Imath6Color46negateEv"></span><span id="_CPPv2N5Imath6Color46negateEv"></span><span id="Imath::Color4::negateCE"></span><span class="target" id="class_imath_1_1_color4_1a2bb4075be5ffbd9b370d2a1fd467587b"></span><em class="property">inline</em> <em class="property">constexpr</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<code class="sig-name descname">negate</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color46negateEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise multiplication by -1. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color4mLERK6Color4">
<span id="_CPPv3N5Imath6Color4mLERK6Color4"></span><span id="_CPPv2N5Imath6Color4mLERK6Color4"></span><span id="Imath::Color4::mul-assign-operator__Color4CRCE"></span><span class="target" id="class_imath_1_1_color4_1a402d63bdbaa7959e36fc527075fda935"></span><em class="property">inline</em> <em class="property">constexpr</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<code class="sig-name descname">operator*=</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color4mLERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise multiplication. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color4mLE1T">
<span id="_CPPv3N5Imath6Color4mLE1T"></span><span id="_CPPv2N5Imath6Color4mLE1T"></span><span id="Imath::Color4::mul-assign-operator__TCE"></span><span class="target" id="class_imath_1_1_color4_1afcde5fff1f884da9bef155472da1a335"></span><em class="property">inline</em> <em class="property">constexpr</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<code class="sig-name descname">operator*=</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <em>a</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color4mLE1T" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise multiplication. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4NK5Imath6Color4mlERK6Color4">
<span id="_CPPv3NK5Imath6Color4mlERK6Color4"></span><span id="_CPPv2NK5Imath6Color4mlERK6Color4"></span><span id="Imath::Color4::mul-operator__Color4CRCCE"></span><span class="target" id="class_imath_1_1_color4_1a5702ceaba0be44dc2810e6e22ec84e03"></span><em class="property">inline</em> <em class="property">constexpr</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> <code class="sig-name descname">operator*</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4NK5Imath6Color4mlERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise multiplication. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4NK5Imath6Color4mlE1T">
<span id="_CPPv3NK5Imath6Color4mlE1T"></span><span id="_CPPv2NK5Imath6Color4mlE1T"></span><span id="Imath::Color4::mul-operator__TCCE"></span><span class="target" id="class_imath_1_1_color4_1a64b1dd1f60cfe22ef0b6432329f1a783"></span><em class="property">inline</em> <em class="property">constexpr</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> <code class="sig-name descname">operator*</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <em>a</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4NK5Imath6Color4mlE1T" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise multiplication. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color4dVERK6Color4">
<span id="_CPPv3N5Imath6Color4dVERK6Color4"></span><span id="_CPPv2N5Imath6Color4dVERK6Color4"></span><span id="Imath::Color4::div-assign-operator__Color4CRCE"></span><span class="target" id="class_imath_1_1_color4_1a9c936fc120c584e00843d213911daf6d"></span><em class="property">inline</em> <em class="property">constexpr</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<code class="sig-name descname">operator/=</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color4dVERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise division. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color4dVE1T">
<span id="_CPPv3N5Imath6Color4dVE1T"></span><span id="_CPPv2N5Imath6Color4dVE1T"></span><span id="Imath::Color4::div-assign-operator__TCE"></span><span class="target" id="class_imath_1_1_color4_1ae83311ad1fd1ed315884e9ec0ec802ed"></span><em class="property">inline</em> <em class="property">constexpr</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<code class="sig-name descname">operator/=</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <em>a</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color4dVE1T" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise division. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4NK5Imath6Color4dvERK6Color4">
<span id="_CPPv3NK5Imath6Color4dvERK6Color4"></span><span id="_CPPv2NK5Imath6Color4dvERK6Color4"></span><span id="Imath::Color4::div-operator__Color4CRCCE"></span><span class="target" id="class_imath_1_1_color4_1a47951ce4698f6376539e43e66f4b5922"></span><em class="property">inline</em> <em class="property">constexpr</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> <code class="sig-name descname">operator/</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4NK5Imath6Color4dvERK6Color4" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise division. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4NK5Imath6Color4dvE1T">
<span id="_CPPv3NK5Imath6Color4dvE1T"></span><span id="_CPPv2NK5Imath6Color4dvE1T"></span><span id="Imath::Color4::div-operator__TCCE"></span><span class="target" id="class_imath_1_1_color4_1aa39bceb24b550a1812c02c337630289d"></span><em class="property">inline</em> <em class="property">constexpr</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a> <code class="sig-name descname">operator/</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <em>a</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4NK5Imath6Color4dvE1T" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Component-wise division. </p>
</dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Compatibilty with Sb</p>
<dl class="cpp function">
<dt id="_CPPv4I0EN5Imath6Color48setValueEv1S1S1S1S">
<span id="_CPPv3I0EN5Imath6Color48setValueE1S1S1S1S"></span><span id="_CPPv2I0EN5Imath6Color48setValueE1S1S1S1S"></span>template&lt;class <code class="sig-name descname">S</code>&gt;<br /><span class="target" id="class_imath_1_1_color4_1a3b0804c6196b0f1456a6f0e58fdfbad9"></span><em class="property">inline</em> void <code class="sig-name descname">setValue</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color48setValueEv1S1S1S1S" title="Imath::Color4::setValue::S">S</a> <em>a</em>, <a class="reference internal" href="#_CPPv4I0EN5Imath6Color48setValueEv1S1S1S1S" title="Imath::Color4::setValue::S">S</a> <em>b</em>, <a class="reference internal" href="#_CPPv4I0EN5Imath6Color48setValueEv1S1S1S1S" title="Imath::Color4::setValue::S">S</a> <em>c</em>, <a class="reference internal" href="#_CPPv4I0EN5Imath6Color48setValueEv1S1S1S1S" title="Imath::Color4::setValue::S">S</a> <em>d</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4I0EN5Imath6Color48setValueEv1S1S1S1S" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Set the value. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4I0EN5Imath6Color48setValueEvRK6Color4I1SE">
<span id="_CPPv3I0EN5Imath6Color48setValueERK6Color4I1SE"></span><span id="_CPPv2I0EN5Imath6Color48setValueERK6Color4I1SE"></span>template&lt;class <code class="sig-name descname">S</code>&gt;<br /><span class="target" id="class_imath_1_1_color4_1affd651d7107ab2e3e61de4de1160248c"></span><em class="property">inline</em> void <code class="sig-name descname">setValue</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;<a class="reference internal" href="#_CPPv4I0EN5Imath6Color48setValueEvRK6Color4I1SE" title="Imath::Color4::setValue::S">S</a>&gt; &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4I0EN5Imath6Color48setValueEvRK6Color4I1SE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Set the value. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4I0ENK5Imath6Color48getValueEvR1SR1SR1SR1S">
<span id="_CPPv3I0ENK5Imath6Color48getValueER1SR1SR1SR1S"></span><span id="_CPPv2I0ENK5Imath6Color48getValueER1SR1SR1SR1S"></span>template&lt;class <code class="sig-name descname">S</code>&gt;<br /><span class="target" id="class_imath_1_1_color4_1aad88d8a2838b2273c70543565a580adc"></span><em class="property">inline</em> void <code class="sig-name descname">getValue</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0ENK5Imath6Color48getValueEvR1SR1SR1SR1S" title="Imath::Color4::getValue::S">S</a> &amp;<em>a</em>, <a class="reference internal" href="#_CPPv4I0ENK5Imath6Color48getValueEvR1SR1SR1SR1S" title="Imath::Color4::getValue::S">S</a> &amp;<em>b</em>, <a class="reference internal" href="#_CPPv4I0ENK5Imath6Color48getValueEvR1SR1SR1SR1S" title="Imath::Color4::getValue::S">S</a> &amp;<em>c</em>, <a class="reference internal" href="#_CPPv4I0ENK5Imath6Color48getValueEvR1SR1SR1SR1S" title="Imath::Color4::getValue::S">S</a> &amp;<em>d</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4I0ENK5Imath6Color48getValueEvR1SR1SR1SR1S" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the value. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4I0ENK5Imath6Color48getValueEvR6Color4I1SE">
<span id="_CPPv3I0ENK5Imath6Color48getValueER6Color4I1SE"></span><span id="_CPPv2I0ENK5Imath6Color48getValueER6Color4I1SE"></span>template&lt;class <code class="sig-name descname">S</code>&gt;<br /><span class="target" id="class_imath_1_1_color4_1ad390b1a92b151d96a2eaf448521cd7ac"></span><em class="property">inline</em> void <code class="sig-name descname">getValue</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;<a class="reference internal" href="#_CPPv4I0ENK5Imath6Color48getValueEvR6Color4I1SE" title="Imath::Color4::getValue::S">S</a>&gt; &amp;<em>v</em><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4I0ENK5Imath6Color48getValueEvR6Color4I1SE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the value. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4N5Imath6Color48getValueEv">
<span id="_CPPv3N5Imath6Color48getValueEv"></span><span id="_CPPv2N5Imath6Color48getValueEv"></span><span id="Imath::Color4::getValue"></span><span class="target" id="class_imath_1_1_color4_1ae9ff74363fd0bb023478a1fc54d45a45"></span><em class="property">inline</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> *<code class="sig-name descname">getValue</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4N5Imath6Color48getValueEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return raw pointer to the value. </p>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4NK5Imath6Color48getValueEv">
<span id="_CPPv3NK5Imath6Color48getValueEv"></span><span id="_CPPv2NK5Imath6Color48getValueEv"></span><span id="Imath::Color4::getValueC"></span><span class="target" id="class_imath_1_1_color4_1ae960cec816a8074d8019504be1c4d026"></span><em class="property">inline</em> <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> *<code class="sig-name descname">getValue</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em> <em class="property">noexcept</em><a class="headerlink" href="#_CPPv4NK5Imath6Color48getValueEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return raw pointer to the value. </p>
</dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Numeric Limits</p>
<dl class="cpp function">
<dt>
<span class="target" id="class_imath_1_1_color4_1a53a13b01efacffb050221a1e6a520755"></span><code class="sig-name descname">static inline constexpr static unsigned int dimensions () noexcept</code></dt>
<dd><p>Number of dimensions (channels), i.e. 4 for a <a class="reference internal" href="#class_imath_1_1_color4"><span class="std std-ref">Color4</span></a>. </p>
</dd></dl>

<dl class="cpp function">
<dt>
<span class="target" id="class_imath_1_1_color4_1adf34b7bc631ff34261956fe7e3619d0a"></span><code class="sig-name descname">static inline constexpr static T baseTypeLowest () noexcept</code></dt>
<dd><p>Largest possible negative value. </p>
</dd></dl>

<dl class="cpp function">
<dt>
<span class="target" id="class_imath_1_1_color4_1add7cfdb18ff6d7a2bb2d76a335c366cc"></span><code class="sig-name descname">static inline constexpr static T baseTypeMax () noexcept</code></dt>
<dd><p>Largest possible positive value. </p>
</dd></dl>

<dl class="cpp function">
<dt>
<span class="target" id="class_imath_1_1_color4_1a90349c576f10f0de3b557b8a83ab3fa9"></span><code class="sig-name descname">static inline constexpr static T baseTypeSmallest () noexcept</code></dt>
<dd><p>Smallest possible positive value. </p>
</dd></dl>

<dl class="cpp function">
<dt>
<span class="target" id="class_imath_1_1_color4_1ac60858c8664a0783eacb85f9420bc568"></span><code class="sig-name descname">static inline constexpr static T baseTypeEpsilon () noexcept</code></dt>
<dd><p>Smallest possible e for which 1+e != 1. </p>
</dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Types</p>
<dl class="cpp type">
<dt id="_CPPv4N5Imath6Color48BaseTypeE">
<span id="_CPPv3N5Imath6Color48BaseTypeE"></span><span id="_CPPv2N5Imath6Color48BaseTypeE"></span><span id="Imath::Color4::BaseType"></span><span class="target" id="class_imath_1_1_color4_1a90cd8e4c5e497bb53e0a73f83ef6c0e7"></span><em class="property">typedef </em><a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4::T">T</a> <code class="sig-name descname">BaseType</code><a class="headerlink" href="#_CPPv4N5Imath6Color48BaseTypeE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The base type: In templates that accept a parameter <code class="docutils literal notranslate"><span class="pre">V</span></code> (could be a <a class="reference internal" href="#class_imath_1_1_color4"><span class="std std-ref">Color4</span></a>), you can refer to <code class="docutils literal notranslate"><span class="pre">T</span></code> as <code class="docutils literal notranslate"><span class="pre">V::BaseType</span></code> </p>
</dd></dl>

</div>
</dd></dl>

<dl class="cpp function">
<dt id="_CPPv4I0EN5ImathlsERNSt7ostreamERNSt7ostreamERK6Color4I1TE">
<span id="_CPPv3I0EN5ImathlsERNSt7ostreamERK6Color4I1TE"></span><span id="_CPPv2I0EN5ImathlsERNSt7ostreamERK6Color4I1TE"></span>template&lt;class <code class="sig-name descname">T</code>&gt;<br /><span class="target" id="_imath_color_8h_1aa06f20767777124566bb22dfdf991059"></span>std::ostream &amp;<code class="sig-prename descclassname">Imath<code class="sig-prename descclassname">::</code></code><code class="sig-name descname">operator&lt;&lt;</code><span class="sig-paren">(</span>std::ostream &amp;<em>s</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv4I0EN5Imath6Color4E" title="Imath::Color4">Color4</a>&lt;<a class="reference internal" href="#_CPPv4I0EN5ImathlsERNSt7ostreamERNSt7ostreamERK6Color4I1TE" title="Imath::operator&lt;&lt;::T">T</a>&gt; &amp;<em>v</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4I0EN5ImathlsERNSt7ostreamERNSt7ostreamERK6Color4I1TE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Stream output, as “(r g b a)”. </p>
</dd></dl>

</div>


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