// make-tile creates a tileable image from an input image. // ( +clone -flop ) +append ( +clone -flip ) -append -resize 50% func make_tile(mw *imagick.MagickWand, outfile string) { mwc := mw.Clone() mwc.FlopImage() mw.AddImage(mwc) mwc.Destroy() mwc = mw.AppendImages(false) mwf := mwc.Clone() mwf.FlipImage() mwc.AddImage(mwf) mwf.Destroy() mwf = mwc.AppendImages(true) w := mwf.GetImageWidth() h := mwf.GetImageHeight() // 1 = Don't blur or sharpen image mwf.ResizeImage(w/2, h/2, imagick.FILTER_LANCZOS, 1) mwf.WriteImage(outfile) mwf.Destroy() mwc.Destroy() }