# CSJ2K.j2k.roi.encoder.ROIScaler.-ctor

## Content

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<h1 id="CSJ2K_j2k_roi_encoder_ROIScaler__ctor_" data-uid="CSJ2K.j2k.roi.encoder.ROIScaler.#ctor*">ROIScaler Constructor
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="CSJ2K_j2k_roi_encoder_ROIScaler__ctor_" data-uid="CSJ2K.j2k.roi.encoder.ROIScaler.#ctor*"></a>
<h4 id="CSJ2K_j2k_roi_encoder_ROIScaler__ctor_CSJ2K_j2k_quantization_quantizer_Quantizer_CSJ2K_j2k_roi_encoder_ROIMaskGenerator_System_Boolean_System_Int32_System_Boolean_CSJ2K_j2k_encoder_EncoderSpecs_" data-uid="CSJ2K.j2k.roi.encoder.ROIScaler.#ctor(CSJ2K.j2k.quantization.quantizer.Quantizer,CSJ2K.j2k.roi.encoder.ROIMaskGenerator,System.Boolean,System.Int32,System.Boolean,CSJ2K.j2k.encoder.EncoderSpecs)">ROIScaler(Quantizer, ROIMaskGenerator, bool, int, bool, EncoderSpecs)</h4>
<div class="markdown level1 summary"><p>Constructor of the ROI scaler, takes a Quantizer as source of data to
scale.</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 ROIScaler(Quantizer src, ROIMaskGenerator mg, bool roi, int sLev, bool uba, EncoderSpecs encSpec)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub New(src As Quantizer, mg As ROIMaskGenerator, roi As Boolean, sLev As Integer, uba As Boolean, encSpec As EncoderSpecs)</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="CSJ2K.j2k.quantization.quantizer.Quantizer.html">Quantizer</a></td>
      <td><span class="parametername">src</span></td>
      <td><p>The quantizer that is the source of data.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="CSJ2K.j2k.roi.encoder.ROIMaskGenerator.html">ROIMaskGenerator</a></td>
      <td><span class="parametername">mg</span></td>
      <td><p>The mask generator that will be used for all components</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">roi</span></td>
      <td><p>Flag indicating whether there are rois specified.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">sLev</span></td>
      <td><p>The resolution levels that belong entirely to ROI</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">uba</span></td>
      <td><p>Flag indicating whether block aligning is used.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="CSJ2K.j2k.encoder.EncoderSpecs.html">EncoderSpecs</a></td>
      <td><span class="parametername">encSpec</span></td>
      <td><p>The encoder specifications for addition of roi specs</p>
</td>
    </tr>
  </tbody>
</table>
</div>