1

crmeb/services/UtilService.php

@@ -293,6 +293,236 @@ class UtilService
      * @return array|bool|string
      * @throws \Exception
      */
+//    public static function setSharePoster($config = array(), $path)
+//    {
+//        try {
+//            $imageDefault = array(
+//                'left' => 0,
+//                'top' => 0,
+//                'right' => 0,
+//                'bottom' => 0,
+//                'width' => 100,
+//                'height' => 100,
+//                'opacity' => 100,
+//                'circle' => false // 新增：是否裁剪为圆形
+//            );
+//            $textDefault = array(
+//                'text' => '',
+//                'left' => 0,
+//                'top' => 0,
+//                'fontSize' => 32,       //字号
+//                'fontColor' => '255,255,255', //字体颜色
+//                'angle' => 0,
+//            );
+//            $background = $config['background'];//海报最底层得背景
+//            if (substr($background, 0, 1) === '/') {
+//                $background = substr($background, 1);
+//            }
+//
+//            // 检查背景图片是否存在
+//            if (!file_exists($background) && !filter_var($background, FILTER_VALIDATE_URL)) {
+//                throw new \Exception('背景图片不存在: ' . $background);
+//            }
+//
+//            $backgroundInfo = getimagesize($background);
+//            if ($backgroundInfo === false) {
+//                throw new \Exception('无法获取背景图片信息');
+//            }
+//
+//            $backgroundContent = file_get_contents($background);
+//            if ($backgroundContent === false) {
+//                throw new \Exception('无法读取背景图片');
+//            }
+//
+//            $background = imagecreatefromstring($backgroundContent);
+//            if ($background === false) {
+//                throw new \Exception('无法创建背景图片资源');
+//            }
+//
+//            $backgroundWidth = $backgroundInfo[0];  //背景宽度
+//            $backgroundHeight = $backgroundInfo[1];  //背景高度
+//            $imageRes = imageCreatetruecolor($backgroundWidth, $backgroundHeight);
+//
+//            // 创建黑色背景
+//            $blackColor = imagecolorallocate($imageRes, 0, 0, 0);
+//            imagefill($imageRes, 0, 0, $blackColor);
+//            imagecopyresampled($imageRes, $background, 0, 0, 0, 0, imagesx($background), imagesy($background), imagesx($background), imagesy($background));
+//
+//            if (!empty($config['image'])) {
+//                foreach ($config['image'] as $key => $val) {
+//                    $val = array_merge($imageDefault, $val);
+//
+//                    // 检查图片URL是否存在
+//                    if (empty($val['url'])) {
+//                        continue; // 跳过空的图片URL
+//                    }
+//
+//                    // 处理URL：如果是相对路径，转换为绝对路径
+//                    $imageUrl = $val['url'];
+//                    if (!filter_var($imageUrl, FILTER_VALIDATE_URL) && file_exists($imageUrl)) {
+//                        // 如果是本地文件路径，直接使用
+//                        $imageContent = file_get_contents($imageUrl);
+//                    } else {
+//                        // 尝试获取远程图片
+//                        $imageContent = @file_get_contents($imageUrl);
+//                    }
+//
+//                    if ($imageContent === false) {
+//                        // 如果无法获取图片，跳过
+//                        continue;
+//                    }
+//
+//                    $res = imagecreatefromstring($imageContent);
+//                    if ($res === false) {
+//                        // 如果无法创建图片资源，跳过
+//                        continue;
+//                    }
+//
+//                    $resWidth = imagesx($res);
+//                    $resHeight = imagesy($res);
+//
+//                    // 如果是圆形，先创建圆形图片
+//                    if ($val['circle']) {
+//                        // 创建一个正方形的画布
+//                        $canvas = imagecreatetruecolor($val['width'], $val['height']);
+//                        if ($canvas === false) {
+//                            imagedestroy($res);
+//                            continue;
+//                        }
+//
+//                        // 用白色填充背景
+//                        $whiteColor = imagecolorallocate($canvas, 255, 255, 255);
+//                        if ($whiteColor === false) {
+//                            imagedestroy($res);
+//                            imagedestroy($canvas);
+//                            continue;
+//                        }
+//
+//                        $fillResult = imagefill($canvas, 0, 0, $whiteColor);
+//                        if ($fillResult === false) {
+//                            imagedestroy($res);
+//                            imagedestroy($canvas);
+//                            continue;
+//                        }
+//
+//                        // 将原图缩放到指定大小
+//                        $sourceResized = imagecreatetruecolor($val['width'], $val['height']);
+//                        if ($sourceResized === false) {
+//                            imagedestroy($res);
+//                            imagedestroy($canvas);
+//                            continue;
+//                        }
+//
+//                        $copyResult = imagecopyresampled($sourceResized, $res, 0, 0, 0, 0, $val['width'], $val['height'], $resWidth, $resHeight);
+//                        if ($copyResult === false) {
+//                            imagedestroy($res);
+//                            imagedestroy($canvas);
+//                            imagedestroy($sourceResized);
+//                            continue;
+//                        }
+//
+//                        // 创建圆形：只复制圆形区域内的像素
+//                        $centerX = $val['width'] / 2;
+//                        $centerY = $val['height'] / 2;
+//                        $radius = min($val['width'], $val['height']) / 2;
+//
+//                        for ($x = 0; $x < $val['width']; $x++) {
+//                            for ($y = 0; $y < $val['height']; $y++) {
+//                                $distance = sqrt(pow($x - $centerX, 2) + pow($y - $centerY, 2));
+//                                if ($distance <= $radius) {
+//                                    $pixelColor = imagecolorat($sourceResized, $x, $y);
+//                                    imagesetpixel($canvas, $x, $y, $pixelColor);
+//                                }
+//                            }
+//                        }
+//
+//                        imagedestroy($sourceResized);
+//                        imagedestroy($res);
+//                    } else {
+//                        // 非圆形，按原逻辑处理
+//                        $canvas = imagecreatetruecolor($val['width'], $val['height']);
+//                        if ($canvas === false) {
+//                            imagedestroy($res);
+//                            continue;
+//                        }
+//
+//                        $bgColor = imagecolorallocate($canvas, 255, 255, 255);
+//                        if ($bgColor === false) {
+//                            imagedestroy($res);
+//                            imagedestroy($canvas);
+//                            continue;
+//                        }
+//
+//                        $fillResult = imagefill($canvas, 0, 0, $bgColor);
+//                        if ($fillResult === false) {
+//                            imagedestroy($res);
+//                            imagedestroy($canvas);
+//                            continue;
+//                        }
+//
+//                        $copyResult = imagecopyresampled($canvas, $res, 0, 0, 0, 0, $val['width'], $val['height'], $resWidth, $resHeight);
+//                        if ($copyResult === false) {
+//                            imagedestroy($res);
+//                            imagedestroy($canvas);
+//                            continue;
+//                        }
+//
+//                        imagedestroy($res);
+//                    }
+//
+//                    $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'];
+//
+//                    // 合并到主图像
+//                    $mergeResult = imagecopymerge($imageRes, $canvas, $val['left'], $val['top'], 0, 0, $val['width'], $val['height'], $val['opacity']);
+//                    if ($mergeResult === false) {
+//                        // 合并失败，但继续处理其他图片
+//                    }
+//
+//                    imagedestroy($canvas);
+//                }
+//            }
+//
+//            // ... 后面的代码保持不变
+//            if (isset($config['text']) && !empty($config['text'])) {
+//                foreach ($config['text'] as $key => $val) {
+//                    $val = array_merge($textDefault, $val);
+//                    list($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'], $val['text']);
+//                }
+//            }
+//
+//            ob_start();
+//            imagejpeg($imageRes);
+//            imagedestroy($imageRes);
+//            $res = ob_get_contents();
+//            ob_end_clean();
+//
+//            $key = substr(md5(rand(0, 9999)), 0, 5) . date('YmdHis') . rand(0, 999999) . '.jpg';
+//            $uploadType = (int)sys_config('upload_type', 1);
+//            $upload = new Upload($uploadType, [
+//                'accessKey' => sys_config('accessKey'),
+//                'secretKey' => sys_config('secretKey'),
+//                'uploadUrl' => sys_config('uploadUrl'),
+//                'storageName' => sys_config('storage_name'),
+//                'storageRegion' => sys_config('storage_region'),
+//            ]);
+//            $res = $upload->to($path)->validate()->stream($res, $key);
+//            if ($res === false) {
+//                return $upload->getError();
+//            } else {
+//                $info = $upload->getUploadInfo();
+//                $info['image_type'] = $uploadType;
+//                return $info;
+//            }
+//        } catch (\Exception $e) {
+//            @file_put_contents('quanju.txt', json_encode(['line' => $e->getLine(), 'message' => $e->getMessage(), 'file' => $e->getFile()]) . "-报错内容\r\n", 8);
+//            return '生成图片时，系统错误: ' . $e->getMessage();
+//        }
+//    }
     public static function setSharePoster($config = array(), $path)
     {
         try {
@@ -304,7 +534,7 @@ class UtilService
                 'width' => 100,
                 'height' => 100,
                 'opacity' => 100,
-                'circle' => false // 新增：是否裁剪为圆形
+                'circle' => false // 是否裁剪为圆形
             );
             $textDefault = array(
                 'text' => '',
@@ -314,6 +544,7 @@ class UtilService
                 'fontColor' => '255,255,255', //字体颜色
                 'angle' => 0,
             );
+
             $background = $config['background'];//海报最底层得背景
             if (substr($background, 0, 1) === '/') {
                 $background = substr($background, 1);
@@ -341,13 +572,22 @@ class UtilService
 
             $backgroundWidth = $backgroundInfo[0];  //背景宽度
             $backgroundHeight = $backgroundInfo[1];  //背景高度
+
+            // 创建主图像，支持透明度
             $imageRes = imageCreatetruecolor($backgroundWidth, $backgroundHeight);
 
-            // 创建黑色背景
-            $blackColor = imagecolorallocate($imageRes, 0, 0, 0);
-            imagefill($imageRes, 0, 0, $blackColor);
+            // 设置透明背景
+            imagealphablending($imageRes, false);
+            imagesavealpha($imageRes, true);
+            $transparent = imagecolorallocatealpha($imageRes, 255, 255, 255, 127);
+            imagefilledrectangle($imageRes, 0, 0, $backgroundWidth, $backgroundHeight, $transparent);
+
+            // 复制背景图片
             imagecopyresampled($imageRes, $background, 0, 0, 0, 0, imagesx($background), imagesy($background), imagesx($background), imagesy($background));
 
+            // 恢复混合模式
+            imagealphablending($imageRes, true);
+
             if (!empty($config['image'])) {
                 foreach ($config['image'] as $key => $val) {
                     $val = array_merge($imageDefault, $val);
@@ -381,51 +621,29 @@ class UtilService
                     $resWidth = imagesx($res);
                     $resHeight = imagesy($res);
 
-                    // 如果是圆形，先创建圆形图片
+                    // 如果是圆形，创建圆形图片
                     if ($val['circle']) {
-                        // 创建一个正方形的画布
+                        // 创建一个支持透明的画布
                         $canvas = imagecreatetruecolor($val['width'], $val['height']);
-                        if ($canvas === false) {
-                            imagedestroy($res);
-                            continue;
-                        }
-
-                        // 用白色填充背景
-                        $whiteColor = imagecolorallocate($canvas, 255, 255, 255);
-                        if ($whiteColor === false) {
-                            imagedestroy($res);
-                            imagedestroy($canvas);
-                            continue;
-                        }
 
-                        $fillResult = imagefill($canvas, 0, 0, $whiteColor);
-                        if ($fillResult === false) {
-                            imagedestroy($res);
-                            imagedestroy($canvas);
-                            continue;
-                        }
+                        // 设置透明背景
+                        imagealphablending($canvas, false);
+                        imagesavealpha($canvas, true);
+                        $transparent = imagecolorallocatealpha($canvas, 255, 255, 255, 127);
+                        imagefilledrectangle($canvas, 0, 0, $val['width'], $val['height'], $transparent);
 
                         // 将原图缩放到指定大小
                         $sourceResized = imagecreatetruecolor($val['width'], $val['height']);
-                        if ($sourceResized === false) {
-                            imagedestroy($res);
-                            imagedestroy($canvas);
-                            continue;
-                        }
-
-                        $copyResult = imagecopyresampled($sourceResized, $res, 0, 0, 0, 0, $val['width'], $val['height'], $resWidth, $resHeight);
-                        if ($copyResult === false) {
-                            imagedestroy($res);
-                            imagedestroy($canvas);
-                            imagedestroy($sourceResized);
-                            continue;
-                        }
+                        imagecopyresampled($sourceResized, $res, 0, 0, 0, 0, $val['width'], $val['height'], $resWidth, $resHeight);
 
                         // 创建圆形：只复制圆形区域内的像素
                         $centerX = $val['width'] / 2;
                         $centerY = $val['height'] / 2;
                         $radius = min($val['width'], $val['height']) / 2;
 
+                        // 恢复混合模式
+                        imagealphablending($canvas, true);
+
                         for ($x = 0; $x < $val['width']; $x++) {
                             for ($y = 0; $y < $val['height']; $y++) {
                                 $distance = sqrt(pow($x - $centerX, 2) + pow($y - $centerY, 2));
@@ -441,31 +659,11 @@ class UtilService
                     } else {
                         // 非圆形，按原逻辑处理
                         $canvas = imagecreatetruecolor($val['width'], $val['height']);
-                        if ($canvas === false) {
-                            imagedestroy($res);
-                            continue;
-                        }
 
                         $bgColor = imagecolorallocate($canvas, 255, 255, 255);
-                        if ($bgColor === false) {
-                            imagedestroy($res);
-                            imagedestroy($canvas);
-                            continue;
-                        }
+                        imagefill($canvas, 0, 0, $bgColor);
 
-                        $fillResult = imagefill($canvas, 0, 0, $bgColor);
-                        if ($fillResult === false) {
-                            imagedestroy($res);
-                            imagedestroy($canvas);
-                            continue;
-                        }
-
-                        $copyResult = imagecopyresampled($canvas, $res, 0, 0, 0, 0, $val['width'], $val['height'], $resWidth, $resHeight);
-                        if ($copyResult === false) {
-                            imagedestroy($res);
-                            imagedestroy($canvas);
-                            continue;
-                        }
+                        imagecopyresampled($canvas, $res, 0, 0, 0, 0, $val['width'], $val['height'], $resWidth, $resHeight);
 
                         imagedestroy($res);
                     }
@@ -474,16 +672,18 @@ class UtilService
                     $val['top'] = $val['top'] < 0 ? $backgroundHeight - abs($val['top']) - $val['height'] : $val['top'];
 
                     // 合并到主图像
-                    $mergeResult = imagecopymerge($imageRes, $canvas, $val['left'], $val['top'], 0, 0, $val['width'], $val['height'], $val['opacity']);
-                    if ($mergeResult === false) {
-                        // 合并失败，但继续处理其他图片
+                    if ($val['circle']) {
+                        // 对于圆形图片，使用imagecopy以支持透明度
+                        imagecopy($imageRes, $canvas, $val['left'], $val['top'], 0, 0, $val['width'], $val['height']);
+                    } else {
+                        // 对于普通图片，使用imagecopymerge
+                        imagecopymerge($imageRes, $canvas, $val['left'], $val['top'], 0, 0, $val['width'], $val['height'], $val['opacity']);
                     }
 
                     imagedestroy($canvas);
                 }
             }
 
-            // ... 后面的代码保持不变
             if (isset($config['text']) && !empty($config['text'])) {
                 foreach ($config['text'] as $key => $val) {
                     $val = array_merge($textDefault, $val);
@@ -495,8 +695,11 @@ class UtilService
                 }
             }
 
+            // 输出图片前再次确保保存alpha通道
+            imagesavealpha($imageRes, true);
+
             ob_start();
-            imagejpeg($imageRes);
+            imagejpeg($imageRes, null, 90); // 使用较高质量
             imagedestroy($imageRes);
             $res = ob_get_contents();
             ob_end_clean();
@@ -524,6 +727,26 @@ class UtilService
         }
     }
 
+    /**
+     * 辅助函数：带透明度的图像复制
+     * 注意：这个函数在PHP 5.5+中可能不需要，因为imagecopy已经支持透明度
+     */
+    function imagecopymerge_alpha($dst_im, $src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h, $pct) {
+        // 创建一个临时图像
+        $tmp = imagecreatetruecolor($src_w, $src_h);
+
+        // 复制源图像到临时图像
+        imagecopy($tmp, $dst_im, 0, 0, $dst_x, $dst_y, $src_w, $src_h);
+
+        // 合并源图像到临时图像
+        imagecopy($tmp, $src_im, 0, 0, $src_x, $src_y, $src_w, $src_h);
+
+        // 合并临时图像到目标图像
+        imagecopymerge($dst_im, $tmp, $dst_x, $dst_y, 0, 0, $src_w, $src_h, $pct);
+
+        // 销毁临时图像
+        imagedestroy($tmp);
+    }
     /**
      * TODO 获取小程序二维码是否生成
      * @param $url