/**
* @note 生成海报
* @author
* @date
* @return void
*/
public function createPoster($parmas)
{
$uid = $parmas['uc_id'];
if (empty($uid)) {
throw new Exception("参数有误", 201);
}
$shareInfo = [];
list($userProfile, $classInfo, $getUcInfo) = $this->getUserClass($uid);
$userSubject = isset($classInfo) && !empty($classInfo['cat_name']) ? $classInfo['cat_name'] : $getUcInfo['name'];
$shareInfo['user_name'] = isset($userProfile) && !empty($userProfile['user_name']) ? $userProfile['user_name'] : '待填写';
$shareInfo['className'] = isset($classInfo) && !empty($classInfo['classname']) ? $classInfo['classname'] : '待入学';
$shareInfo['userSubject'] = isset($userSubject) && !empty($userSubject) ? $userSubject : '待填写';
$shareInfo['sculpture_img'] = isset($userProfile) && !empty($userProfile['sculpture_img']) ? $userProfile['sculpture_img'] : $this->defaultAvtor;
$config = $this->posterConfig($shareInfo);
return $this->generatePoster($config);
}
/**
* @note 海报配置
* @author
* @date
* @param array $shareInfo
* @return void
*/
public function posterConfig($shareInfo)
{
$config['background'] = $this->sharePosterImg;
$config['text'][] = $this->posterFontConfig($shareInfo['user_name'], 100, 300);
$config['text'][] = $this->posterFontConfig($shareInfo['className'], 200, 300);
$config['text'][] = $this->posterFontConfig($shareInfo['userSubject'], 500, 300);
$config['image'][] = $this->posterImgConfig($shareInfo['sculpture_img'], 10, 200, 0);
return $config;
}
/**
* @note 文字配置
* @param $content
* @param $top
* @param $left
* @param $color
* @param $fontSize
* @return array]
*/
public function posterFontConfig($content, $top, $left, $color = '14,14,14', $fontSize = 50)
{
return [
'text' => mb_convert_encoding($content, "html-entities", "utf-8"),
'left' => $left,
'top' => $top,
'fontPath' => $this->fontPath, //字体文件
'fontSize' => $fontSize, //字号
'fontColor' => $color, //字体颜色
'angle' => 0, //文字水平方向
];
}
public function posterImgConfig($imgPath, $top, $left, $right, $width = 380, $height = 200)
{
return [
'url'=>$imgPath, //二维码资源
'stream'=>0,
'left'=>$left,
'top'=>$top,
'right'=>$right,
'bottom'=>0,
'width'=>$width,
'height'=>$height,
'opacity'=>70
];
}
/***
* @note 生成海报
* @author
* @date
* @param $config
* @param $filename
* @return false|mixed|string|void
*/
public function generatePoster($config=array(),$filename=""){
$filename = './'.time().'.png';
//如果要看报什么错，可以先注释调这个header
if(empty($filename)) header("content-type: image/png");
$background = $config['background'];//海报最底层得背景
//背景方法
$backgroundInfo = getimagesize($background);
$backgroundFun = 'imagecreatefrom'.image_type_to_extension($backgroundInfo[2], false);
$background = $backgroundFun($background);
$backgroundWidth = imagesx($background); //背景宽度
$backgroundHeight = imagesy($background); //背景高度
$imageRes = imageCreatetruecolor($backgroundWidth,$backgroundHeight);
$color = imagecolorallocate($imageRes, 0, 0, 0);
imagefill($imageRes, 0, 0, $color);
imagecopyresampled($imageRes,$background,0,0,0,0,imagesx($background),imagesy($background),imagesx($background),imagesy($background));
//处理了图片
if(!empty($config['image'])){
foreach ($config['image'] as $key => $val) {
$info = getimagesize($val['url']);
$function = 'imagecreatefrom'.image_type_to_extension($info[2], false);
$res = $function($val['url']);
$resWidth = $info[0];
$resHeight = $info[1];
//建立画板 ，缩放图片至指定尺寸
$canvas=imagecreatetruecolor($val['width'], $val['height']);
imagefill($canvas, 0, 0, $color);
//关键函数，参数（目标资源，源，目标资源的开始坐标x,y, 源资源的开始坐标x,y,目标资源的宽高w,h,源资源的宽高w,h）
imagecopyresampled($canvas, $res, 0, 0, 0, 0, $val['width'], $val['height'],$resWidth,$resHeight);
$val['left'] = $val['left']<0?$backgroundWidth- abs($val['left']) - $val['width']:$val['left'];
$val['top'] = $val['top']<0?$backgroundHeight- abs($val['top']) - $val['height']:$val['top'];
//放置图像
imagecopymerge($imageRes,$canvas, $val['left'],$val['top'],$val['right'],$val['bottom'],$val['width'],$val['height'],$val['opacity']);//左，上，右，下，宽度，高度，透明度
}
}
//处理文字
if(!empty($config['text'])){
foreach ($config['text'] as $key => $val) {
list($R,$G,$B) = explode(',', $val['fontColor']);
$fontColor = imagecolorallocate($imageRes, $R, $G, $B);
$val['left'] = $val['left']<0?$backgroundWidth- abs($val['left']):$val['left'];
$val['top'] = $val['top']<0?$backgroundHeight- abs($val['top']):$val['top'];
imagettftext($imageRes,$val['fontSize'],$val['angle'],$val['left'],$val['top'],$fontColor,$val['fontPath'],$val['text']);
}
}
//生成图片
if(!empty($filename)){
$res = imagejpeg ($imageRes,$filename,90); //保存到本地
imagedestroy($imageRes);
if(!$res){
throw new Exception("海报图生成失败~");
exit;
}
$client = new \Org\Bce\BosClientUpload();
$bucketName = '/project/xcx/ahu_dossier/sharePosterImg/';
$files['name']=sha1(date('YmdHis', time()) . uniqid()).'.png';
$files['tmp_name']=$filename;
$resa = $client->SaleSeniorUpload($files, $bucketName);
$baiduUrl = 'https://ahuyikao-pub.cdn.bcebos.com' . $bucketName;
if ($resa == null) {
throw new Exception("海报图生成失败~");
}
@unlink($filename);
return $baiduUrl . $files['name'];
}else{
imagejpeg ($imageRes); //在浏览器上显示
imagedestroy($imageRes);
}
}
