# GrapeCity.Documents.Imaging.Indexed4bppBitmap.-ctor

## Content

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<h1 id="GrapeCity_Documents_Imaging_Indexed4bppBitmap__ctor_" data-uid="GrapeCity.Documents.Imaging.Indexed4bppBitmap.#ctor*">Indexed4bppBitmap Constructor
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Documents_Imaging_Indexed4bppBitmap__ctor_" data-uid="GrapeCity.Documents.Imaging.Indexed4bppBitmap.#ctor*"></a>
<h4 id="GrapeCity_Documents_Imaging_Indexed4bppBitmap__ctor_System_Int32_System_Int32_System_Boolean_System_Boolean_System_Boolean_System_Single_System_Single_" data-uid="GrapeCity.Documents.Imaging.Indexed4bppBitmap.#ctor(System.Int32,System.Int32,System.Boolean,System.Boolean,System.Boolean,System.Single,System.Single)">Indexed4bppBitmap(int, int, bool, bool, bool, float, float)</h4>
<div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="GrapeCity.Documents.Imaging.Indexed4bppBitmap.html">Indexed4bppBitmap</a> class.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public Indexed4bppBitmap(int pixelWidth, int pixelHeight, bool opaque, bool premultiplied = false, bool lowerBitsFirst = false, float dpiX = 96, float dpiY = 96)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub New(pixelWidth As Integer, pixelHeight As Integer, opaque As Boolean, Optional premultiplied As Boolean = False, Optional lowerBitsFirst As Boolean = False, Optional dpiX As Single = 96, Optional dpiY As Single = 96)</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">pixelWidth</span></td>
      <td><p>The width of the image, in pixels.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">pixelHeight</span></td>
      <td><p>The height of the image, in pixels.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">opaque</span></td>
      <td><p>Indicates whether the alpha channel should be ignored.</p>
</td>
    </tr>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">premultiplied</span></td>
      <td><p>Indicates whether the color channels for all pixels are premultiplied by the alpha channel.</p>
</td>
    </tr>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">lowerBitsFirst</span></td>
      <td><p>If true, pixels are arranged within a byte such that pixels with lower column indices are stored in the lower-order bit tetrads of the byte.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.single">float</a></td>
      <td><span class="parametername">dpiX</span></td>
      <td><p>The horizontal dpi of the image.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.single">float</a></td>
      <td><span class="parametername">dpiY</span></td>
      <td><p>The vertical dpi of the image.</p>
</td>
    </tr>
  </tbody>
</table>
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