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@@ -0,0 +1,190 @@
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+<?php
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+
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+namespace addons\poster\library;
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+
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+use think\Db;
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+
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+class Image
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+{
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+ protected $target; //图像资源
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+ protected $poster_url; //海报url
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+ protected $model; //海报模型
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+
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+ public function __construct()
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+ {
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+ $this->model = new \app\admin\model\Poster;
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+ }
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+
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+
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+ /**
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+ * 创建海报
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+ * @author Created by Xing <464401240@qq.com>
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+ */
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+ public function createPosterImage($poster, $member)
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+ {
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+ $path = $this->model->getDirs($poster['id']);
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+ if (!is_dir($path)) {
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+ $this->mkdirs($path);
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+ }
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+ $md5 = md5(json_encode(array(
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+ 'user_id' => $member['id'],
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+ 'bg' => $poster['bg_image'],
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+ 'data' => $poster['data'],
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+ 'poster_id' => $poster['id']
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+ )));
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+ $file = $md5 . '.png';
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+ $this->poster_url = $path . $file;
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+ if (is_file($this->poster_url)) {
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+ return $this->poster_url; //文件存在则直接返回
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+ }
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+
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+ set_time_limit(0);
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+ @ini_set('memory_limit', '256M');
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+ $this->target = imagecreatetruecolor(640, 750);
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+
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+ $white = imagecolorallocate($this->target, 255, 255, 255);
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+ imagefill($this->target, 0, 0, $white);
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+ $bg = $this->createImage($poster['bg_image']);
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+ if (!empty($bg)) {
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+ $bgWidth = imagesx($bg);
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+ $bgHeight = imagesy($bg);
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+ $ratio = 640 / $bgWidth;
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+ $newWidth = imagesx($bg) * $ratio;
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+ $newHeight = imagesy($bg) * $ratio;
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+
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+ $bgClone = imagecreatetruecolor($newWidth, $newHeight);
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+ imagecopyresampled($bgClone, $bg, 0, 0, 0, 0, $newWidth, $newHeight, $bgWidth, $bgHeight);
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+
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+ imagecopy($this->target, $bgClone, 0, 0, 0, 0, $newWidth, $newHeight);
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+
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+ imagedestroy($bg);
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+ imagedestroy($bgClone);
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+ }
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+ $data = json_decode(str_replace('"', '\'', $poster['data']), true);
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+
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+ foreach ($data as $d) {
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+ $d = $this->getRealData($d);
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+ if ($d['type'] == 'head') {
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+ $avatar = preg_replace('/\\/0$/i', '/96', $member['avatar']);
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+ $this->mergeImage($d, $avatar);
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+ } elseif ($d['type'] == 'img' && isset($d['src'])) {
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+ $this->mergeImage($d, $d['src']);
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+ } elseif ($d['type'] == 'qr' && isset($d['qr_table']) && isset($d['qr_relation']) && isset($d['qr_field'])) {
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+ $exist = Db::query('show tables like "' . $d['qr_table'] . '"');
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+ if ($exist) {
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+ $fields = Db::getConnection()->getFields($d['qr_table']); //传入数据表名称 $tablename
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+ if (isset($fields[$d['qr_relation']])) {
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+ $qrimg = Db::table($d['qr_table'])->where([$d['qr_relation'] => $member['id']])->value($d['qr_field']);
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+ $this->mergeImage($d, $qrimg);
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+ }
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+ }
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+ } elseif ($d['type'] == 'nickname') {
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+// $this->mergeText($d, $member['nickname']);
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+ $this->mergeText($d, $d['content']);
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+ }
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+ }
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+
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+ header("Content-Type:image/png");
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+ imagepng($this->target, $path . $file);
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+ imagedestroy($this->target);
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+
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+ $params['poster_id'] = $poster['id'];
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+ $params['user_id'] = $member['id'];
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+ $params['image'] = $this->poster_url;
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+ //$posterLog = new \app\admin\model\PosterLog();
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+ //$posterLog->save($params);
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+ return $this->poster_url;
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+ }
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+
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+ public function mergeImage($data, $imgurl)
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+ {
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+ $img = $this->createImage($imgurl);
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+ if (!$img) {
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+ return false;
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+ }
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+ $w = imagesx($img);
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+ $h = imagesy($img);
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+ imagecopyresized($this->target, $img, $data['left'], $data['top'], 0, 0, $data['width'], $data['height'], $w, $h);
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+ imagedestroy($img);
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+ }
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+
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+ public function mergeText($data, $text)
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+ {
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+// $font = ROOT_PATH . 'public/assets/fonts/SourceHanSansK-Regular.ttf';
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+ $font = ROOT_PATH . '/public/assets/fonts/fangzheng.ttf';
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+
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+ if (!isset($data['color'])) {
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+ $data['color'] = '#000';
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+ }
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+
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+// $text = mb_convert_encoding($text, "GB2312", "UTF-8");
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+// $text = iconv('gb2312','utf-8',$text);//解决乱码问题
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+ $colors = $this->hex2rgb($data['color']);
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+ $color = imagecolorallocate($this->target, $colors['red'], $colors['green'], $colors['blue']);
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+ imagettftext($this->target, $data['size'], 0, $data['left'], $data['top'] + $data['size'], $color, $font, $text);
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+ }
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+
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+ public function createImage($imgurl)
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+ {
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+ if (strpos($imgurl, 'data:image') !== false) {
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+ $imgurl = '/assets/addons/poster/images/head.jpg';
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+ }
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+ if (strpos($imgurl, '://') === false) {
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+ $imgurl = ROOT_PATH . '/public' . $imgurl;
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+ if (!is_file($imgurl)) {
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+ return '';
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+ }
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+ }
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+ @$content = file_get_contents($imgurl);
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+ if ($content) {
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+ return imagecreatefromstring($content);
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+ }
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+ return '';
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+ }
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+
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+ private function getRealData($data)
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+ {
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+ $data['left'] = isset($data['left']) ? intval(str_replace('px', '', $data['left'])) * 2 : 0;
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+ $data['top'] = isset($data['top']) ? intval(str_replace('px', '', $data['top'])) * 2 : 0;
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+ $data['width'] = isset($data['width']) ? intval(str_replace('px', '', $data['width'])) * 2 : 0;
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+ $data['height'] = isset($data['height']) ? intval(str_replace('px', '', $data['height'])) * 2 : 0;
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+ $data['size'] = isset($data['size']) ? intval(str_replace('px', '', $data['size'])) * 2 : 0;
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+ return $data;
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+ }
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+
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+ /**
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+ * 递归创建文件夹
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+ * @author Created by Xing <464401240@qq.com>
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+ */
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+ private function mkdirs($path)
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+ {
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+ if (!is_dir($path)) {
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+ $this->mkdirs(dirname($path));
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+ mkdir($path);
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+ }
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+ return is_dir($path);
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+ }
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+
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+ /**
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+ * hex转rgb
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+ * @param $colour
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+ * @return array|bool
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+ */
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+ private function hex2rgb($colour)
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+ {
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+ if ($colour[0] == '#') {
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+ $colour = substr($colour, 1);
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+ }
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+ if (strlen($colour) == 6) {
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+ list($r, $g, $b) = array($colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5]);
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+ } elseif (strlen($colour) == 3) {
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+ list($r, $g, $b) = array($colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2]);
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+ } else {
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+ return false;
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+ }
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+ $r = hexdec($r);
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+ $g = hexdec($g);
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+ $b = hexdec($b);
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+ return array('red' => $r, 'green' => $g, 'blue' => $b);
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+ }
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+}
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lizhen_gitee