function moveBSW($bsw, $mx, $my)
{
if (isPunc($bsw)) {
return $bsw;
}
$first = substr($bsw, 0, 3);
$cluster = bsw2cluster($bsw);
$seq = bsw2seq($bsw);
$chars = str_split($cluster, 3);
$bsw = $first;
for ($i = 0; $i < count($chars); $i++) {
//sym as base,fill,rot
$bsw .= $chars[$i++];
$bsw .= $chars[$i++];
$bsw .= $chars[$i++];
//move x and y
$x = $chars[$i++];
$bsw .= num2hex(hex2num($x) - $mx);
$y = $chars[$i];
$bsw .= num2hex(hex2num($y) - $my);
}
if ($seq) {
$bsw .= '0fd' . $seq;
}
return $bsw;
}
//binary signwriting markup
foreach ($units as $ubsw) {
if (isPunc($ubsw)) {
$fbsw .= $ubsw . ' ';
$fupua .= bsw2utf($ubsw) . ' ';
$fswcm .= bsw2utf($ubsw, 1);
$fswpm .= bsw2utf($ubsw, 1);
$fbswml .= '<punc>' . bsw2key($ubsw) . '</punc><br>';
} else {
$unit = new Sign($ubsw);
$ubsw = moveBSW($unit->getBSW(), $unit->getCenterX(), $unit->getCenterY());
$fbsw .= $ubsw . ' ';
$fupua .= bsw2utf($ubsw) . ' ';
$first = substr($ubsw, 0, 3);
$cluster = bsw2cluster($ubsw);
$seq = bsw2seq($ubsw);
$chars = str_split($cluster, 3);
$fswcm .= char2token($first);
$fswpm .= char2token($first);
$fbswml .= '<sign lane="' . char2lane($first) . '"><br>';
for ($i = 0; $i < count($chars); $i++) {
//first 3 are symbol
$sbsw = $chars[$i];
$i++;
$sbsw .= $chars[$i];
$i++;
$sbsw .= $chars[$i];
//next 2 are coordinates
$i++;
$sx = hex2num($chars[$i]);
$i++;
public function __construct($bsw)
{
$this->bsw = $bsw;
$this->lane = substr($bsw, 0, 3);
$this->cluster = bsw2cluster($bsw);
$this->seq = bsw2seq($bsw);
/**
* Step 1: break apart
*/
$keys = array();
$xs = array();
// x position
$ys = array();
// y position
$ws = array();
// width
$hs = array();
// height
$bsw = bsw2cluster($bsw);
$chars = str_split($bsw, 3);
$cnt = count($chars);
if ($bsw != "") {
for ($i = 0; $i < $cnt; $i++) {
$char = $chars[$i];
$i++;
$fill = char2fill($chars[$i]);
$i++;
$rot = char2rot($chars[$i]);
$key = $char . $fill . $rot;
$keys[] = $key;
$i++;
$xs[] = hex2num($chars[$i]);
$i++;
$ys[] = hex2num($chars[$i]);
$sym = new Symbol($key);
$ws[] = $sym->getWidth();
$hs[] = $sym->getHeight();
}
/**
* Step 2: determing width, height, and center
*/
$xMin = $xs[0];
$xMax = $xMin + 2;
$yMin = $ys[0];
$yMax = $yMin + 2;
$cxMin = 0;
$cxMax = 0;
$cyMin = 0;
$cyMax = 0;
$centering = 0;
// centering count
} else {
//make up values
$xMin = 0;
$xMax = $xMin + 2;
$yMin = 0;
$yMax = $yMin + 2;
$cxMin = 0;
$cxMax = 0;
$cyMin = 0;
$cyMax = 0;
$centering = 0;
// centering count
}
foreach ($keys as $num => $key) {
$base = substr($key, 0, 3);
$W = $ws[$num];
$H = $hs[$num];
$X = $xs[$num];
$Y = $ys[$num];
if ($xMin > $X) {
$xMin = $X;
}
if ($yMin > $Y) {
$yMin = $Y;
}
if ($xMax < $X + $W) {
$xMax = $X + $W;
}
if ($yMax < $Y + $H) {
$yMax = $Y + $H;
}
//check for centering
if (isHead($base) or isTrunk($base)) {
if ($centering == 0) {
$cxMin = $X;
$cxMax = $X + $W;
$cyMin = $Y;
$cyMax = $Y + $H;
} else {
if ($cxMin > $X) {
$cxMin = $X;
}
if ($cyMin > $Y) {
$cyMin = $Y;
}
if ($cxMax < $X + $W) {
$cxMax = $X + $W;
}
if ($cyMax < $Y + $H) {
$cyMax = $Y + $H;
}
}
$centering++;
}
}
$this->width = $xMax - $xMin;
$this->height = $yMax - $yMin;
if ($centering) {
$this->centerX = ($cxMin + $cxMax) / 2 - $xMin;
$this->centerY = ($cyMin + $cyMax) / 2 - $yMin;
} else {
$this->centerX = ($xMin + $xMax) / 2;
$this->centerY = ($yMin + $yMax) / 2;
}
//rebuild bsw with zero relative x and y
$this->bsw = $this->lane;
foreach ($keys as $num => $key) {
$this->bsw .= key2bsw($key);
$X = $xs[$num];
$this->bsw .= num2hex($X - $xMin);
//$this->centerX);
$Y = $ys[$num];
$this->bsw .= num2hex($Y - $yMin);
//$this->centerY);
}
//already zero based
// $this->centerX -= $xMin;
// $this->centerY -= $yMin;
if ($this->seq) {
$this->bsw .= '0fd' . $this->seq;
}
}