function transform()
{
if (empty($this->transform)) {
return;
}
// do not transform tspans -- done by overwriting this...
//if ($this->x === false) {
// return;
// }
// deal with transformation..
$tr = $this->transform;
if (preg_match('/scale\\(([0-9e.-]+),([0-9e.-]+)\\)/', $tr, $args)) {
$xscale = $args[1];
$yscale = $args[2];
$method = 'scale';
} else {
if (preg_match('/matrix\\(([0-9e.-]+),([0-9e.-]+),([0-9e.-]+),([0-9e.-]+),([0-9e.-]+),([0-9e.-]+)\\)/', $tr, $args)) {
array_shift($args);
require_once 'Math/Matrix.php';
$matrix = new Math_Matrix(array(array($args[0], $args[2], $args[4]), array($args[1], $args[3], $args[5]), array(0, 0, 1)));
$method = 'matrix';
} else {
if (preg_match('/translate\\(([0-9e.-]+),([0-9e.-]+)\\)/', $tr, $args)) {
$x = $args[1];
$y = $args[2];
$method = 'translate';
} else {
echo "<PRE>no match?";
print_r($this);
exit;
return;
}
}
}
//
switch ($method) {
case 'scale':
$this->x *= $xscale;
$this->y *= $yscale;
if (empty($this->children)) {
return;
}
foreach (array_keys($this->children) as $i) {
if ($this->children[$i]->x === false) {
continue;
// echo "<PRE>";print_r($this);exit;
}
$this->children[$i]->x *= $xscale;
$this->children[$i]->y *= $yscale;
}
break;
case 'matrix':
$v = new Math_Vector(array($this->x, $this->y, 0));
$r = $matrix->vectorMultiply($v);
$r = $r->getData();
$this->x = $r[0];
$this->y = $r[1];
//echo "<PRE>";var_dump( $r);exit;
if (empty($this->children)) {
return;
}
foreach (array_keys($this->children) as $i) {
if ($this->children[$i]->x === false) {
continue;
// echo "<PRE>";print_r($this);exit;
}
$v = new Math_Vector(array($this->children[$i]->x, $this->children[$i]->y, 0));
$r = $matrix->vectorMultiply($v);
$r = $r->getData();
$this->children[$i]->x = $r[0];
$this->children[$i]->y = $r[1];
}
break;
case 'translate':
if ($this->x !== false && $this->y !== false) {
$this->x += $x;
$this->y += $y;
}
if (empty($this->children)) {
return;
}
foreach (array_keys($this->children) as $i) {
if ($this->children[$i]->x === false || $this->children[$i]->y === false) {
continue;
// echo "<PRE>";print_r($this);exit;
}
$this->children[$i]->x += $x;
$this->children[$i]->y += $y;
}
break;
}
}