style2.txt

<!DOCTYPE qgis PUBLIC 'http://mrcc.com/qgis.dtd' 'SYSTEM'>
<qgis version="2.18.15" minimumScale="0" maximumScale="1e+08" hasScaleBasedVisibilityFlag="0">
 <pipe>
  <rasterrenderer opacity="1" alphaBand="-1" band="1" type="paletted">
   <rasterTransparency/>
   <colorPalette>
    <paletteEntry value="0" color="#000000" label="unclassified"/>
    <paletteEntry value="1" color="#ff0000" label="class1"/>
    <paletteEntry value="2" color="#00ff00" label="class2"/>
   </colorPalette>
  </rasterrenderer>
  <brightnesscontrast brightness="0" contrast="0"/>
  <huesaturation colorizeGreen="128" colorizeOn="0" colorizeRed="255" colorizeBlue="128" grayscaleMode="0" saturation="0" colorizeStrength="100"/>
  <rasterresampler maxOversampling="2"/>
 </pipe>
 <blendMode>0</blendMode>
</qgis>