public static function buildCache()
{
weixin_qrcode_QRtools::markTime('before_build_cache');
$mask = new weixin_qrcode_QRmask();
for ($a = 1; $a <= QRSPEC_VERSION_MAX; $a++) {
$frame = weixin_qrcode_QRspec::newFrame($a);
if (QR_IMAGE) {
$fileName = QR_CACHE_DIR . 'frame_' . $a . '.png';
weixin_qrcode_QRimage::png(self::binarize($frame), $fileName, 1, 0);
}
$width = count($frame);
$bitMask = array_fill(0, $width, array_fill(0, $width, 0));
for ($maskNo = 0; $maskNo < 8; $maskNo++) {
$mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true);
}
}
weixin_qrcode_QRtools::markTime('after_build_cache');
}
public function encodePNG($intext, $outfile = false, $saveandprint = false)
{
try {
ob_start();
$tab = $this->encode($intext);
$err = ob_get_contents();
ob_end_clean();
if ($err != '') {
weixin_qrcode_QRtools::log($outfile, $err);
}
$maxSize = (int) (QR_PNG_MAXIMUM_SIZE / (count($tab) + 2 * $this->margin));
weixin_qrcode_QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin, $saveandprint);
} catch (Exception $e) {
weixin_qrcode_QRtools::log($outfile, $e->getMessage());
}
}