/**
*/
public function testUpdate()
{
$style1 = new StrokeStyle();
$style2 = new StrokeStyle(2.5, 'green', 0.6);
$style1->update($style2);
$this->assertSame(2.5, $style1->getWidth());
$this->assertSame(0.6, $style1->getOpacity());
$this->assertNotNull($style1->getColor());
$this->assertSame('green', $style1->getColor()->__toString());
// test independence of style1 and style2
$style1->setOpacity(0.3);
$this->assertSame(0.3, $style1->getOpacity());
$this->assertSame(0.6, $style2->getOpacity());
}
/**
* @param ZendPage $page
* @param StrokeStyle $strokeStyle
* @param float|null $opacity
*/
private function setLineStyle(ZendPage $page, StrokeStyle $strokeStyle, $opacity = null)
{
$page->setLineWidth($strokeStyle->getWidth());
$page->setLineColor($this->getZendColor($strokeStyle->getColor()));
if ($opacity !== null) {
$page->setAlpha($opacity * $strokeStyle->getOpacity());
}
}
/**
* @param SimpleXMLElement $element
* @param StrokeStyle $strokeStyle
*/
private function addStrokeStyle(SimpleXMLElement $element, StrokeStyle $strokeStyle)
{
if ($strokeStyle->isVisible()) {
$element->addAttribute("stroke", $strokeStyle->getColor());
$element->addAttribute("stroke-opacity", $strokeStyle->getOpacity());
$element->addAttribute("stroke-width", $strokeStyle->getWidth());
} else {
$element->addAttribute("stroke", "none");
}
}