docs: private static void adjustQualityFromImage(Map<String, Float> pFormatQuality, BufferedImage pImage) {
          // NOTE: The values are all made-up. May need tuning.
  
          // If pImage.getColorModel() instanceof IndexColorModel
          //    JPEG qs*=0.6
          //    If NOT binary or 2 color index
          //        WBMP qs*=0.5
          // Else
          //    GIF qs*=0.02
          //    PNG qs*=0.9 // JPEG is smaller/faster
          if (pImage.getColorModel() instanceof IndexColorModel) {
              adjustQuality(pFormatQuality, FORMAT_JPEG, 0.6f);
  
              if (pImage.getType() != BufferedImage.TYPE_BYTE_BINARY ||  ((IndexColorModel) pImage.getColorModel()).getMapSize() != 2) {
                  adjustQuality(pFormatQuality, FORMAT_WBMP, 0.5f);
              }
          }
          else {
              adjustQuality(pFormatQuality, FORMAT_GIF, 0.01f);
              adjustQuality(pFormatQuality, FORMAT_PNG, 0.99f); // JPEG is smaller/faster
          }
  
          // If pImage.getColorModel().hasTransparentPixels()
          //    JPEG qs*=0.05
          //    WBMP qs*=0.05
          //    If NOT transparency == BITMASK
          //        GIF qs*=0.8
          if (ImageUtil.hasTransparentPixels(pImage, true)) {
              adjustQuality(pFormatQuality, FORMAT_JPEG, 0.009f);
              adjustQuality(pFormatQuality, FORMAT_WBMP, 0.009f);
  
              if (pImage.getColorModel().getTransparency() != Transparency.BITMASK) {
                  adjustQuality(pFormatQuality, FORMAT_GIF, 0.8f);
              }
          }
      }