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265 lines
11 KiB
265 lines
11 KiB
<?php |
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/** |
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* Created by PhpStorm. |
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* User: Administrator |
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* Date: 2017/8/12 |
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* Time: 9:04 |
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*/ |
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namespace app\extensions; |
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/** |
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* @property \app\models\Qrcode $store_qrcode; |
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*/ |
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class CreateQrcode |
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{ |
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public $store_qrcode;//店铺推广海报设置 |
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public $qrcode_bg;//海报背景图 750×1206 |
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public $qrcode;//二维码 默认420×420 |
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public $avatar;//头像 |
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public $name;//昵称 |
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public $avatar_w = 180;//头像宽 |
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public $avatar_h = 180;//头像高 |
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public $avatar_x = 30;//头像x坐标 |
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public $avatar_y = 290;//头像y坐标 |
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public $qrcode_w = 280;//二维码宽度 |
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public $qrcode_x = 188;//二维码x坐标 |
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public $qrcode_y = 526;//二维码y坐标 |
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public $qrcode_true = 'true';//二维码y坐标 |
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public $font_size = 36;//字体大小 |
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public $font_color = ['r' => '0', 'g' => '0', 'b' => '0'];//字体大小 |
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public $font_x = 364;//字体x坐标 |
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public $font_y = 360;//字体y坐标 |
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public $save_name;//字体y坐标 |
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/** |
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* @return array |
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* 不处理成圆形 |
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*/ |
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public function ungetQrcode() |
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{ |
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$store_qrcode = $this->store_qrcode; |
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//创建图片的实例 |
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$qrcode_bg = imagecreatefromstring(file_get_contents($this->qrcode_bg)); |
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$qrcode = imagecreatefromstring(file_get_contents($this->qrcode)); |
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$avatar = imagecreatefromstring(file_get_contents($this->avatar)); |
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//获取水印图片的宽高 |
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list($qrcode_w, $qrcode_h,$qrcode_type) = getimagesize($this->qrcode); |
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list($avatar_w, $avatar_h,$avatar_type) = getimagesize($this->avatar); |
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list($qrcode_bg_w, $qrcode_bg_h) = getimagesize($store_qrcode->qrcode_bg); |
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//压缩图片 |
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$new_width = $this->avatar_w; |
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$new_height = $this->avatar_h; |
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$image_thump = imagecreatetruecolor($new_width, $new_height); |
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//将原图复制带图片载体上面，并且按照一定比例压缩,极大的保持了清晰度 |
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imagecopyresampled($image_thump, $avatar, 0, 0, 0, 0, $new_width, $new_height, $avatar_w, $avatar_h); |
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imagedestroy($avatar); |
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$avatar = $image_thump; |
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//将水印图片复制到目标图片上，最后个参数50是设置透明度，这里实现半透明效果 |
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imagecopymerge($qrcode_bg, $qrcode, $this->qrcode_x, $this->qrcode_y, 0, 0, $qrcode_w, $qrcode_h, 100); |
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imagecopymerge($qrcode_bg, $avatar, $this->avatar_x, $this->avatar_y, 0, 0, $new_width, $new_height, 100); |
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//如果水印图片本身带透明色，则使用imagecopy方法 |
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//imagecopy($dst, $src, 10, 10, 0, 0, $src_w, $src_h); |
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$font = \Yii::$app->basePath . '/web/statics/font/AaBanSong.ttf';//字体 |
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// $white = imagecolorallocate($qrcode_bg, 255, 255, 255);//字体颜色 |
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// imagefttext($qrcode_bg, 36, 0, 254, 360, $white,$font, '我是：'); |
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$purple = imagecolorallocate($qrcode_bg, $this->font_size['r'], $this->font_size['g'], $this->font_size['b']);//字体颜色 |
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imagefttext($qrcode_bg, $this->font_size, 0, $this->font_x, $this->font_y, $purple, $font, $this->name); |
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// imagefttext($qrcode_bg, 36, 0, 254, 420, $white,$font, '代言真的有钱赚！'); |
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// imagefttext($qrcode_bg, 32, 0, 284, 1000, $white,$font, '扫描二维码'); |
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// imagefttext($qrcode_bg, 32, 0, 264, 1050, $white,$font, '和我一起赚钱！'); |
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//输出图片 |
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list($qrcode_bg_w, $qrcode_bg_h, $qrcode_bg_type) = getimagesize($qrcode_bg); |
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switch ($qrcode_bg_type) { |
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case 1://GIF |
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header('Content-Type: image/gif'); |
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imagegif($qrcode_bg); |
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break; |
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case 2://JPG |
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header('Content-Type: image/jpeg'); |
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imagejpeg($qrcode_bg); |
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break; |
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case 3://PNG |
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header('Content-Type: image/png'); |
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imagepng($qrcode_bg); |
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break; |
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default: |
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break; |
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} |
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$saveRoot = \Yii::$app->basePath . '/web/'; |
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$saveDir = 'qrcode/'; |
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if (!is_dir($saveRoot . $saveDir)) { |
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mkdir($saveRoot . $saveDir); |
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file_put_contents($saveRoot . $saveDir . '.gitignore', "*\r\n!.gitignore"); |
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} |
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$webRoot = \Yii::$app->request->baseUrl . '/'; |
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$saveName = md5(uniqid()) . '.jpg'; |
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imagepng($qrcode_bg, $saveRoot . $saveDir . $saveName); |
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// file_put_contents($saveRoot.$saveDir.$saveName,$qrcode_bg); |
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imagedestroy($qrcode_bg); |
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imagedestroy($qrcode); |
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imagedestroy($avatar); |
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$qrcode = \Yii::$app->request->hostInfo . $webRoot . $saveDir . $saveName; |
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return [ |
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'code' => 0, |
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'msg' => 'success', |
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'data' => $qrcode |
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]; |
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} |
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/** |
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* @todo : 本函数用于 将方形的图片压缩后 |
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* 再裁减成圆形 |
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* 与背景图合并 |
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* @return |
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*/ |
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public function getQrcode(){ |
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//头像 |
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$headimgurl = $this->avatar; |
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//二维码 |
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$qrcode = $this->qrcode; |
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//背景图 |
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$bgurl = $this->qrcode_bg; |
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$imgs['dst'] = $bgurl; |
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//保存到本地 图片临时存储路径 |
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$saveRoot = \Yii::$app->basePath . '/web/temp/'; |
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$saveDir = ''; |
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if (!is_dir($saveRoot . $saveDir)) { |
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mkdir($saveRoot . $saveDir); |
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file_put_contents($saveRoot . $saveDir . '.gitignore', "*\r\n!.gitignore"); |
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} |
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$webRoot = \Yii::$app->request->baseUrl . '/'; |
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//第一步 压缩图片 |
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$imggzip = $this->resize_img($headimgurl,$saveRoot.$saveDir,$this->avatar_w); |
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$qrcodezip = $this->resize_img($qrcode,$saveRoot.$saveDir,$this->qrcode_w); |
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//第二步 裁减成圆角图片 |
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$imgs['src'] = $this->test($imggzip,$saveRoot.$saveDir,$this->avatar_w,$this->avatar_w); |
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$qrcode_info = getimagesize($qrcode); |
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$imgs['qrcode'] = $this->test($qrcodezip,$saveRoot.$saveDir,$this->qrcode_w,$this->qrcode_w,$this->qrcode_true); |
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//第三步 合并图片 |
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$dest = $this->mergerImg($imgs,$saveRoot); |
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// return [ |
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// 'code'=>0, |
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// 'msg'=>'success', |
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// 'data'=>\Yii::$app->request->hostInfo . $webRoot.'qrcode/'.$dest[1] |
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// ]; |
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unlink($qrcode); |
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return $dest[1]; |
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} |
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/** |
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* @param $url |
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* @param string $path |
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* @return string |
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* 压缩图片 |
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*/ |
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public function resize_img($url,$path='./',$old_width){ |
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$imgname = $path.uniqid('r',true).'.jpg'; |
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$file = $url; |
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list($width, $height) = getimagesize($file); //获取原图尺寸 |
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$percent = ($old_width/$width); |
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//缩放尺寸 |
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$newwidth = $width * $percent; |
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$newheight = $height * $percent; |
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$src_im = imagecreatefromjpeg($file); |
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$dst_im = imagecreatetruecolor($newwidth, $newheight); |
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imagecopyresized($dst_im, $src_im, 0, 0, 0, 0, $newwidth, $newheight, $width, $height); |
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imagejpeg($dst_im, $imgname); //输出压缩后的图片 |
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imagedestroy($dst_im); |
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imagedestroy($src_im); |
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return $imgname; |
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} |
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//第一步生成圆角图片 |
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public function test($url,$path='./',$w,$h,$is_true='true'){ |
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// $w = 110; $h=110; // original size |
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$original_path= $url; |
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$dest_path = $path.uniqid('r',true).'.png'; |
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$src = imagecreatefromstring(file_get_contents($original_path)); |
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if($is_true == 'true'){ |
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$newpic = imagecreatetruecolor($w,$h); |
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imagealphablending($newpic,false); |
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$transparent = imagecolorallocatealpha($newpic, 0, 0, 0, 127); |
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$r=$w/2; |
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for($x=0;$x<$w;$x++) |
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for($y=0;$y<$h;$y++){ |
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$c = imagecolorat($src,$x,$y); |
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$_x = $x - $w/2; |
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$_y = $y - $h/2; |
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if((($_x*$_x) + ($_y*$_y)) < ($r*$r)){ |
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imagesetpixel($newpic,$x,$y,$c); |
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}else{ |
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imagesetpixel($newpic,$x,$y,$transparent); |
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} |
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} |
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imagesavealpha($newpic, true); |
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// header('Content-Type: image/png'); |
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imagepng($newpic, $dest_path); |
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imagedestroy($newpic); |
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imagedestroy($src); |
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unlink($url); |
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}else{ |
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imagesavealpha($src, true); |
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// header('Content-Type: image/png'); |
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imagepng($src, $dest_path); |
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unlink($url); |
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} |
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return $dest_path; |
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} |
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//php 合并图片 |
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public function mergerImg($imgs,$path='./') { |
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$name = $this->save_name; |
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$imgname = $path.$name; |
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list($max_width, $max_height,$qrcode_bg_type) = getimagesize($imgs['dst']); |
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$dests = imagecreatetruecolor($max_width, $max_height); |
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switch ($qrcode_bg_type) { |
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case 1://GIF |
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$dst_im = imagecreatefromgif($imgs['dst']); |
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break; |
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case 2://JPG |
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$dst_im = imagecreatefromjpeg($imgs['dst']); |
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break; |
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case 3://PNG |
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$dst_im = imagecreatefrompng($imgs['dst']); |
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break; |
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default: |
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$dst_im = imagecreatefromstring(file_get_contents($imgs['dst'])); |
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break; |
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} |
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imagecopy($dests,$dst_im,0,0,0,0,$max_width,$max_height); |
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imagedestroy($dst_im); |
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$src_im = imagecreatefrompng($imgs['src']); |
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$src_info = getimagesize($imgs['src']); |
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$qrcode_im = imagecreatefrompng($imgs['qrcode']); |
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$qrcode_info = getimagesize($imgs['qrcode']); |
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imagecopy($dests,$src_im,$this->avatar_x,$this->avatar_y,0,0,$src_info[0],$src_info[1]); |
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imagedestroy($src_im); |
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imagecopy($dests,$qrcode_im,$this->qrcode_x,$this->qrcode_y,0,0,$qrcode_info[0],$qrcode_info[1]); |
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imagedestroy($qrcode_im); |
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$font = \Yii::$app->basePath . '/web/statics/font/AaBanSong.ttf';//字体 |
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$purple = imagecolorallocate($dests, $this->font_color['r'], $this->font_color['g'], $this->font_color['b']);//字体颜色 |
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imagefttext($dests, $this->font_size, 0, $this->font_x, $this->font_y, $purple, $font, $this->name); |
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//字体x,y坐标是字符串的左下角坐标 |
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// var_dump($imgs);exit; |
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// header("Content-type: image/jpeg"); |
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imagejpeg($dests,$imgname); |
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unlink($imgs['dst']); |
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unlink($imgs['src']); |
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unlink($imgs['qrcode']); |
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return [$dests,$name]; |
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} |
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} |