/**
* {@inheritdoc}
*/
public function polygon(array $coordinates, Color $color, $fill = false, $thickness = 1)
{
if (count($coordinates) < 3) {
throw new InvalidArgumentException(sprintf('Polygon must consist of at least 3 coordinates, %d given', count($coordinates)));
}
$points = array_map(function (PointInterface $p) {
return array('x' => $p->getX(), 'y' => $p->getY());
}, $coordinates);
try {
$pixel = $this->getColor($color);
$polygon = new \GmagickDraw();
$polygon->setstrokecolor($pixel);
$polygon->setstrokewidth(max(1, (int) $thickness));
if ($fill) {
$polygon->setfillcolor($pixel);
} else {
$polygon->setfillcolor('transparent');
}
$polygon->polygon($points);
$this->gmagick->drawImage($polygon);
$pixel = null;
$polygon = null;
} catch (\GmagickException $e) {
throw new RuntimeException('Draw polygon operation failed', $e->getCode(), $e);
}
return $this;
}
/**
* 生成水印
* @param string $groundImage
*/
function waterImage($groundImage = '')
{
try {
//获取背景图的高，宽
if ($groundImage && is_file($groundImage)) {
$bg = new Gmagick();
$bg->readImage($groundImage);
$bgHeight = $bg->getImageHeight();
$bgWidth = $bg->getImageWidth();
}
//获取水印图的高，宽
if ($this->waterImage && is_file($this->waterImage)) {
$water = new Gmagick($this->waterImage);
$waterHeight = $water->getImageHeight();
$waterWidth = $water->getImageWidth();
}
//如果背景图的高宽小于水印图的高宽则不加水印
if ($bgHeight < $waterHeight || $bgWidth < $waterWidth) {
return false;
} else {
$isWaterImg = TRUE;
}
//加水印
if ($isWaterImg) {
$dw = new GmagickDraw();
//加图片水印
if (is_file($this->waterImage)) {
//水印位置随机
$waterPos = $this->getWaterPos($bgWidth, $bgHeight, $waterWidth, $waterHeight);
$bg->compositeImage($water, 1, $waterPos['x'], $waterPos['y']);
if (!$bg->writeImage($groundImage)) {
return FALSE;
}
} else {
//加文字水印
$waterTextInfo = array('textFont' => '15', 'textColor' => '#FF0000', 'textAlpha' => 1, 'textInfo' => 'www.okooo.com');
$dw->setFontSize($waterTextInfo['textFont']);
//$dw->setFillColor($waterTextInfo['textColor']);
$dw->setFillOpacity(1);
$x = abs(130 - $bgWidth);
$y = abs(15 - $bgHeight);
$dw->annotate($x, $y, $waterTextInfo['textInfo']);
$dw->setTextEncoding('UTF-8');
$bg->drawImage($dw);
if (!$bg->writeImage($groundImage)) {
return FALSE;
}
}
}
} catch (Exception $e) {
Logger::getLogger('dataengine.lottery.snapshot')->apps('exception')->info(json_encode($e->getMessage()));
}
}
