geopackage-sdk/src/main/java/mil/nga/geopackage/tiles/TileGenerator.java
public void setBitmapCompressionConfig(Config config) {
        if (options == null) {
            options = new Options();
        }
        options.inPreferredConfig = config;
    }
public void setBitmapCompressionConfig(Config config) {
        if (options == null) {
            options = new Options();
        }
        options.inPreferredConfig = config;
    }
Set the Bitmap Compress Config

@param config bitmap config