testing

README.md

@@ -1,2 +1,23 @@
 # laravel-avatar
 测试开发laravel-composer包
+# laravel-avatar
+根据第一个字符或者汉字生成头像的laravel扩展包
+
+## 基本使用
+1. 先发布配置文件在config目录下面
+```bash
+php artisan vendor:publish
+```
+2. app.php 添加 providers
+```php
+Wqb\Avatar\AvatarProvider::class,
+```
+3. app.php 添加 aliases
+```php
+'Avatar' => Wqb\Avatar\Facades\Avatar::class
+```
+4 开始使用
+```php
+// 第一个参数姓名，第二个参数图片生成位置
+Avatar::output('吴','wu.png')
+```

composer.json

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+{
+    "name": "wuqb/laravel-avatar",
+    "description": "laravel avatar",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "wuqb",
+            "email": "824543976@qq.com"
+        }
+    ],
+    "autoload": {
+      "psr-4": {
+        "Wqb\\Avatar\\": "src"
+      }
+    },
+    "require": {}
+}

src/Avatar.php

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+<?php
+
+namespace Wqb\Avatar;
+use Illuminate\Config\Repository;
+
+class Avatar {
+
+    protected $config;
+
+    /**
+     * 构造方法
+     */
+    public function __construct(Repository $config)
+    {
+        $this->config = $config->get('avatar');
+    }
+
+    /**
+     * 生成图像
+     * @return resource 图片资源
+     */
+    private function generate($name)
+    {
+        // 创建图片资源
+        $img_res = imagecreate($this->config['width'], $this->config['height']);
+
+        // 背景颜色
+        $bg_color = imagecolorallocate($img_res, mt_rand(120, 190), mt_rand(120, 190), mt_rand(120, 190));
+        // 文字颜色
+        $font_color = imagecolorallocate($img_res, mt_rand(190, 255), mt_rand(190, 255), mt_rand(190, 255));
+        // 填充背景色
+        imagefill($img_res, 1, 1, $bg_color);
+        // 计算文字的宽高
+        $pos = imagettfbbox($this->config['size'], 0, $this->config['font_file'], mb_substr($name, 0, 1));
+        $font_width = $pos[2] - $pos[0] + 0.32 * $this->config['size'];
+        $font_height = $pos[1] - $pos[5] + -0.16 * $this->config['size'];
+
+        // 写入文字
+        imagettftext($img_res, $this->config['size'], 0, ($this->config['width'] - $font_width) / 2, ($this->config['height'] - $font_height) / 2 + $font_height, $font_color, $this->config['font_file'], mb_substr($name, 0, 1));
+
+        return $img_res;
+    }
+
+    /**
+     * 输出图片（默认输出到浏览器，给定输出文件位置则输出到文件）
+     * @param string|false $path 保存路径
+     */
+    public function output($name, $path = false)
+    {
+        $img_res = $this->generate($name);
+        // 确定输出类型和生成用的方法名
+        $content_type = 'image/' . $this->config['type'];
+        $generateMethodName = 'image' . $this->config['type'];
+        // 确定是否输出到浏览器
+        if (!$path) {
+            header("Content-type: " . $content_type);
+            $generateMethodName($img_res);
+        } else {
+            $generateMethodName($img_res, $path);
+        }
+        // 释放图片内存
+        imagedestroy($img_res);
+    }
+
+}

src/AvatarProvider.php

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+<?php
+namespace Wqb\Avatar;
+use Illuminate\Support\ServiceProvider;
+class AvatarProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap the application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        // 发布配置文件
+        $this->publishes([
+            __DIR__.'/config/avatar.php' => config_path('avatar.php'),
+            __DIR__.'/config/WawaSC-Regular.otf' => public_path('/fonts/WawaSC-Regular.otf'),
+        ]);
+    }
+    /**
+     * Register the application services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->app->singleton('avatar', function ($app) {
+            return new Avatar($app['config']);
+        });
+    }
+}

src/Facades/Avatar.php

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+<?php
+namespace Wqb\Avatar\Facades;
+use Illuminate\Support\Facades\Facade;
+class Avatar extends Facade
+{
+    protected static function getFacadeAccessor()
+    {
+        return 'avatar';
+    }
+}

src/config/avatar.php

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+<?php
+
+return   [
+    'type' => 'png', // jpeg|png|gif|bmp
+    'width' => '100',
+    'height' => '100',
+    'size' => '26',
+    'font_file' => public_path() . '/fonts/WawaSC-Regular.otf',
+];