/**
* @covers tarcisio\p2d\Line::isVertical
*/
public function testIsVertical()
{
$line = new Line(5, 1, 5, 15);
$this->assertTrue($line->isVertical());
$line = new Line(5, 2, 10, 20);
$this->assertFalse($line->isVertical());
}
/**
* Center X values of the axis
*
* @param awAxis $axis An axis
* @param float $value The reference value on the axis
*/
public function setXCenter(awAxis $axis, $value)
{
// Check vector angle
if ($this->line->isVertical() === FALSE) {
trigger_error("setXCenter() can only be used on vertical axes", E_USER_ERROR);
}
$p = $axis->getPointFromValue($value);
$this->line->setX($p->x, $p->x);
}
/**
* Center X values of the axis
*
* @param awAxis $axis An axis
* @param float $value The reference value on the axis
*/
public function setXCenter(awAxis $axis, $value)
{
// Check vector angle
if ($this->line->isVertical() === FALSE) {
awImage::drawError("Class Axis: setXCenter() can only be used on vertical axes.");
}
$p = $axis->getPointFromValue($value);
$this->line->setX($p->x, $p->x);
}
