Merge pull request #79 from ArielMejiaDev/feature/pdf-image-asset

add PdfImageAsset

docs/basic-usage/formatting-pdfs.md

@@ -48,6 +48,16 @@ Inside the footer, you can use the following Blade directives:
 - `@pageNumber`:  The current page number
 - `@totalPages`:  The total number of pages
 
+### Display Images in Headers and Footers
+
+You can add an image using the blade directive `@inlinedImage`
+
+It supports absolute and relative paths inside your app `public` directory
+
+```php
+@inlinedImage($url)
+```
+
 ## Page orientation
 
 By default, all PDFs are created in portrait mode. You can change this by calling the `landscape` method.

src/PdfServiceProvider.php

@@ -3,6 +3,9 @@
 namespace Spatie\LaravelPdf;
 
 use Illuminate\Support\Facades\Blade;
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Str;
+use RuntimeException;
 use Spatie\LaravelPackageTools\Package;
 use Spatie\LaravelPackageTools\PackageServiceProvider;
 
@@ -26,5 +29,24 @@ public function bootingPackage()
         Blade::directive('totalPages', function () {
             return "<?php echo '<span class=\"totalPages\"></span>'; ?>";
         });
+
+        Blade::directive('inlinedImage', function ($url) {
+            $url = Str::of($url)->trim("'")->trim('"')->value();
+
+            if (!Str::of($url)->isUrl()) {
+                $imageContent = 'data:image/png;base64,' . base64_encode(file_get_contents(public_path($url)));
+                return "<?php echo '<img src=\"$imageContent\">'; ?>";
+            }
+
+            $response = Http::get($url);
+
+            if ($response->successful()) {
+                $imageContent = 'data:image/png;base64,' . base64_encode($response->body());
+                return "<?php echo '<img src=\"$imageContent\">'; ?>";
+            }
+
+            throw new RuntimeException('Failed to fetch the image');
+        });
+
     }
 }

tests/BladeDirectivesTest.php

@@ -20,3 +20,11 @@
 
     expect($this->targetPath)->toContainText('page 1 of 2');
 });
+
+it('can display an image', function () {
+    Pdf::view('blade-directives.body')
+        ->headerView('blade-directives.header')
+        ->save($this->targetPath);
+
+    expect($this->targetPath)->toContainText('<img src="data:image/png;base64,');
+});

workbench/resources/views/blade-directives/header.blade.php

@@ -0,0 +1,29 @@
+<style>
+    .header {
+        font-size: 12px;
+        margin: 0 auto;
+    }
+
+    .header figure {
+        margin-top: 10px;
+    }
+
+    .header div {
+        display: flex;
+        align-items: center;
+    }
+
+    .header figure img {
+        height: 40px;
+        width: 40px;
+    }
+</style>
+
+<div class="header">
+    <div>
+        <h1>Header</h1>
+        <figure>
+            @inlinedImage('https://avatars.githubusercontent.com/u/7535935?s=200&v=4')
+        </figure>
+    </div>
+</div>