From 0596105a7a7fb8061f1b1a9cd11d2adc1dd81751 Mon Sep 17 00:00:00 2001
From: Michal Kovac <miso@github.ksp.sk>
Date: Wed, 13 Dec 2023 19:53:18 +0100
Subject: [PATCH] Add options position and vposition

Possible values:
```rb
position: :center
position: :right
vposition: :center
vposition: :bottom
```
---
 lib/prawn/images.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/lib/prawn/images.rb b/lib/prawn/images.rb
index 8ee747956..3af712188 100644
--- a/lib/prawn/images.rb
+++ b/lib/prawn/images.rb
@@ -118,6 +118,18 @@ def embed_image(pdf_obj, info, options)
 
       if options[:at]
         x, y = map_to_absolute(options[:at])
+        case options[:position]
+        when :center
+          x-=w/2
+        when :right
+          x-=w
+        end
+        case options[:vposition]
+        when :center
+          y+=h/2
+        when :bottom
+          y+=h
+        end
       else
         x, y = image_position(w, h, options)
         move_text_position h