/**
* @param HtmlColor|string|null $color
* @param float $opacity
*
* @return $this
* @throws \Exception
*/
public function setColor($color, $opacity = 1.0)
{
if (null === $color) {
$this->color = null;
$this->opacity = 0.0;
} elseif ($color instanceof HtmlColor) {
$this->color = $color;
$this->opacity = (double) $opacity;
} elseif (is_string($color)) {
if (preg_match(HtmlColor::PATTERN_HEX, $color, $matches)) {
$this->color = HtmlColor::byHex($color);
$this->opacity = (double) $opacity;
} elseif (preg_match(HtmlColor::PATTERN_RGB, $color, $matches)) {
$this->color = HtmlColor::rgb((int) $matches[1], (int) $matches[2], (int) $matches[3]);
$this->opacity = (double) $opacity;
} elseif (preg_match(HtmlColor::PATTERN_RGBA, $color, $matches)) {
$this->color = HtmlColor::rgb((int) $matches[1], (int) $matches[2], (int) $matches[3]);
$this->opacity = (double) $matches[4];
} else {
$this->color = HtmlColor::byName($color);
$this->opacity = (double) $opacity;
}
} else {
throw new InvalidArgumentException('invalid color: ' . get_class($color));
}
return $this;
}
/**
* @param HtmlColor $color
*
* @return ZendColor
*/
private function getZendColor(HtmlColor $color)
{
return ZendHtmlColor::color($color->__toString());
}
}
return $path;
}
$graphic = new Graphic();
$graphic->setViewportCorners(-300, -300, 300, 300);
$graphic->getDefaultTextFontStyle()->setName(FontStyle::FONT_HELVETICA)->setHAlign(FontStyle::HORIZONTAL_ALIGN_MIDDLE);
// draw group labels
$graphic->getDefaultShapeStrokeStyle()->setColor('gray');
$graphic->addPath(getGroupPath(275, 280, 1, 118));
$graphic->addPathText('Meine Gruppe', getGroupPath(280, 280, 1, 118));
$graphic->addPath(getGroupPath(275, 280, 121, 118));
$graphic->addPathText('Meine andere Gruppe', getGroupPath(280, 280, 121, 118));
$graphic->addPath(getGroupPath(275, 280, 241, 118));
$graphic->addPathText('Meine dritte Gruppe', getGroupPath(280, 280, 241, 118));
// draw inner arcs
$graphic->getDefaultTextFontStyle()->setVAlign(FontStyle::VERTICAL_ALIGN_CENTRAL);
$graphic->getDefaultTextFillStyle()->setColor('white');
$graphic->getDefaultShapeFillStyle()->setColor(HtmlColor::rgb(236, 88, 85));
$graphic->getDefaultShapeStrokeStyle()->setColor('white');
for ($i = -4; $i < 25; $i++) {
$arc = $graphic->addRingArc(0, 0, 6 * $i + 50, 240, 15 * $i, 15);
$arc->setFillOpacity(($i + 8) / 32.0);
$anchor = $arc->getAnchor(RingArc::ALPHA_CENTRAL, RingArc::RADIUS_MIDDLE);
$graphic->addText($i, $anchor->x, $anchor->y);
//->setRotation($anchor->getRotation());
}
// draw outer arcs
$graphic->addRingArc(0, 0, 240, 270, 0, 240)->setFillColor('rgb(81, 166, 74)');
$graphic->addRingArc(0, 0, 240, 270, 330, -30)->setFillColor('rgb(107, 178, 241)');
$graphic->addRingArc(0, 0, 240, 270, 330, 30)->setFillColor('rgb(69, 70, 77)', 0.3);
return $graphic;
/**
*/
public function testRgb()
{
$this->assertSame('#000000', HtmlColor::rgb(0, 0, 0)->__toString());
$this->assertSame('#112233', HtmlColor::rgb(17, 34, 51)->__toString());
$this->assertSame('#ffffff', HtmlColor::rgb(255, 255, 255)->__toString());
}