/**
* Set and apply the text on the image
*
* @param string $string
* @throws Exception
* @return Gmagick
*/
public function text($string)
{
$draw = new \GmagickDraw();
// Set the font if passed
if (null !== $this->font) {
if (!$draw->setFont($this->font)) {
throw new Exception('Error: That font is not recognized by the Gmagick extension.');
}
// Else, attempt to set a basic, default system font
} else {
$fonts = $this->image->resource()->queryFonts();
if (in_array('Arial', $fonts)) {
$this->font = 'Arial';
} else {
if (in_array('Helvetica', $fonts)) {
$this->font = 'Helvetica';
} else {
if (in_array('Tahoma', $fonts)) {
$this->font = 'Tahoma';
} else {
if (in_array('Verdana', $fonts)) {
$this->font = 'Verdana';
} else {
if (in_array('System', $fonts)) {
$this->font = 'System';
} else {
if (in_array('Fixed', $fonts)) {
$this->font = 'Fixed';
} else {
if (in_array('system', $fonts)) {
$this->font = 'system';
} else {
if (in_array('fixed', $fonts)) {
$this->font = 'fixed';
} else {
if (isset($fonts[0])) {
$this->font = $fonts[0];
} else {
throw new Exception('Error: No default font could be found by the Gmagick extension.');
}
}
}
}
}
}
}
}
}
}
$draw->setFont($this->font);
$draw->setFontSize($this->size);
$draw->setFillColor($this->image->getColor($this->fillColor, $this->opacity));
if (null !== $this->rotation) {
$draw->rotate($this->rotation);
}
if (null !== $this->strokeColor) {
$draw->setStrokeColor($this->image->getColor($this->strokeColor, $this->opacity));
$draw->setStrokeWidth((int) $this->strokeWidth);
}
$draw->annotate($this->x, $this->y, $string);
$this->image->resource()->drawImage($draw);
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()));
}
}