image scale support imagick lib

Dockerfile

@@ -1,6 +1,5 @@
 FROM php:8.2-fpm-alpine3.20
-RUN apk add autoconf gcc musl-dev make imagemagick-dev \
-    && apk add rsync nginx zlib-dev libpng-dev freetype-dev libjpeg-turbo-dev libwebp-dev \
+RUN apk add autoconf gcc musl-dev make imagemagick-dev rsync nginx zlib-dev libpng-dev freetype-dev libjpeg-turbo-dev libwebp-dev \
     && docker-php-ext-configure gd --with-freetype --with-jpeg --with-webp \
     && docker-php-ext-install -j$(nproc) gd \
     && pecl install imagick && docker-php-ext-enable imagick \

conf/app.php

@@ -3,8 +3,8 @@
  * Config
  */
 $configs = array(
-    'version' => '0.3.7',
-    'releaseDate' => '2024-10-22',
+    'version' => '0.3.8',
+    'releaseDate' => '2024-10-31',
     'showVersion' => false,     //默认不显示版本号和发布日期
 
     'default_timezone' => 'Asia/Hong_Kong',      //timezone, check more: https://www.php.net/manual/en/timezones.asia.php

themes/beauty/controller/SiteController.php

@@ -494,6 +494,7 @@ Class SiteController extends Controller {
     }
 
     //借助gd库，获取图片类型、尺寸，并实时生成缩略图
+    //支持imagick库
     protected function createSmallJpg($img_filepath, $min_width = 100, $min_height = 100) {
         //如果服务器端生成缩略图关闭
         if (!empty(FSC::$app['config']['disableGenerateSmallImageInServer']) && FSC::$app['config']['disableGenerateSmallImageInServer'] !== 'false') {
@@ -503,6 +504,36 @@ Class SiteController extends Controller {
         $img_data = null;
 
         try {
+            if (class_exists('Imagick')) {                  //Imagick库支持
+
+                $imagick = new Imagick($img_filepath);
+                $naturalWidth = $imagick->getImageWidth();
+                $naturalHeight = $imagick->getImageHeight();
+                $imgType = $imagick->getImageMimeType();
+
+                //小图片则保持原图尺寸
+                if ($naturalWidth <= $min_width || $naturalHeight <= $min_height) {
+                    return false;
+                }
+
+                //生成同比例缩略图尺寸
+                $width = $min_width;
+                $height = $min_height;
+                $aspect = $naturalHeight / $naturalWidth;
+                if ($naturalWidth <= $naturalHeight) {
+                    $height = (int)($width * $aspect);
+                }else {
+                    $width = (int)($height / $aspect);
+                }
+
+                $imagick->scaleImage($width, $height, true);        //生成缩略图，并自适应
+                $imagick->setImageFormat('jpeg');
+                $imagick->setImageCompressionQuality(90);
+                $img_data = $imagick->getImageBlob();
+                $imagick->clear();
+
+            }else if (function_exists('gd_info')) {         //gd库支持
+
                 list($naturalWidth, $naturalHeight, $imgTypeIndex, $style) = getimagesize($img_filepath);
                 $imgType = image_type_to_extension($imgTypeIndex);
 
@@ -563,6 +594,8 @@ Class SiteController extends Controller {
 
                     imagedestroy($dst_img);
                 }
+
+            }
         }catch(Exception $e) {
             $this->logError('创建缩略图失败：' . $e->getMessage());
         }