/**
*/
public function testVisibility()
{
$style = new StrokeStyle();
$this->assertTrue($style->isVisible());
$style->setOpacity(0);
$this->assertFalse($style->isVisible());
$style->setOpacity(1)->setWidth(0);
$this->assertFalse($style->isVisible());
$style->setWidth(2);
$this->assertTrue($style->isVisible());
}
/**
* @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");
}
}
