public function testRun()
{
$this->assertInstanceOf('WMAngledLinkGeometry', WMLinkGeometryFactory::create('angled'));
$this->assertInstanceOf('WMCurvedLinkGeometry', WMLinkGeometryFactory::create('curved'));
$this->setExpectedException("WMException");
WMLinkGeometryFactory::create('antelope');
}
function preCalculate(&$map)
{
wm_debug("Link " . $this->name . ": Calculating geometry.\n");
// don't bother doing anything if it's a template
if ($this->isTemplate()) {
return;
}
$points = array();
list($dx, $dy) = WMUtility::calculateOffset($this->a_offset, $this->a->width, $this->a->height);
$points[] = new WMPoint($this->a->x + $dx, $this->a->y + $dy);
foreach ($this->vialist as $via) {
wm_debug("VIALIST...\n");
// if the via has a third element, the first two are relative to that node
if (isset($via[2])) {
$relativeTo = $map->getNode($via[2]);
wm_debug("Relative to {$relativeTo}\n");
$point = new WMPoint($relativeTo->x + $via[0], $relativeTo->y + $via[1]);
} else {
$point = new WMPoint($via[0], $via[1]);
}
wm_debug("Adding {$point}\n");
$points[] = $point;
}
list($dx, $dy) = WMUtility::calculateOffset($this->b_offset, $this->b->width, $this->b->height);
$points[] = new WMPoint($this->b->x + $dx, $this->b->y + $dy);
if ($points[0]->closeEnough($points[1]) && sizeof($this->vialist) == 0) {
wm_warn("Zero-length link " . $this->name . " skipped. [WMWARN45]");
$this->geometry = null;
return;
}
$widths = array($this->width, $this->width);
// for bulging animations, modulate the width with the percentage value
if ($map->widthmod || $map->get_hint('link_bulge') == 1) {
// a few 0.1s and +1s to fix div-by-zero, and invisible links
$widths[0] = ($widths[0] * $this->percentUsages[IN] * 1.5 + 0.1) / 100 + 1;
$widths[1] = ($widths[1] * $this->percentUsages[OUT] * 1.5 + 0.1) / 100 + 1;
}
$style = $this->viastyle;
// don't bother with any curve stuff if there aren't any Vias defined, even if the style is 'curved'
if (count($this->vialist) == 0) {
$style = "angled";
}
$this->geometry = WMLinkGeometryFactory::create($style);
$this->geometry->Init($this, $points, $widths, $this->linkstyle == 'oneway' ? 1 : 2, $this->splitpos, $this->arrowstyle);
}
