From 32691b0c0dce764df1cf0d8a9129ead1ed4cb736 Mon Sep 17 00:00:00 2001
From: Pete Matsyburka <pete@docuseal.com>
Date: Wed, 29 Oct 2025 10:10:04 +0200
Subject: [PATCH] add background

---
 app/javascript/submission_form/area.vue        | 4 ++++
 app/views/submissions/_value.html.erb          | 3 ++-
 lib/submissions/generate_result_attachments.rb | 8 ++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/app/javascript/submission_form/area.vue b/app/javascript/submission_form/area.vue
index 2a2fd20e..d3a4eaf6 100644
--- a/app/javascript/submission_form/area.vue
+++ b/app/javascript/submission_form/area.vue
@@ -553,6 +553,10 @@ export default {
         style.color = this.field.preferences.color
       }
 
+      if (this.field.preferences?.background) {
+        style.background = this.field.preferences.background
+      }
+
       return style
     },
     isNarrow () {
diff --git a/app/views/submissions/_value.html.erb b/app/views/submissions/_value.html.erb
index 025053ef..f0487425 100644
--- a/app/views/submissions/_value.html.erb
+++ b/app/views/submissions/_value.html.erb
@@ -1,10 +1,11 @@
 <% align = field.dig('preferences', 'align') %>
 <% valign = field.dig('preferences', 'valign') %>
 <% color = field.dig('preferences', 'color') %>
+<% bg_color = field.dig('preferences', 'background') %>
 <% font = field.dig('preferences', 'font') %>
 <% font_type = field.dig('preferences', 'font_type') %>
 <% font_size_px = (field.dig('preferences', 'font_size').presence || Submissions::GenerateResultAttachments::FONT_SIZE).to_i * local_assigns.fetch(:font_scale) { 1000.0 / PdfUtils::US_LETTER_W } %>
-<field-value dir="auto" class="flex absolute <%= 'font-courier' if font == 'Courier' %> <%= 'font-times' if font == 'Times' %> <%= 'font-bold' if font_type == 'bold' || font_type == 'bold_italic' %> <%= 'italic' if font_type == 'italic' || font_type == 'bold_italic' %> <%= align == 'right' ? 'text-right' : (align == 'center' ? 'text-center' : '') %>" style="<%= "color: #{color}; " if color.present? %>width: <%= area['w'] * 100 %>%; height: <%= area['h'] * 100 %>%; left: <%= area['x'] * 100 %>%; top: <%= area['y'] * 100 %>%; font-size: <%= fs = "clamp(1pt, #{font_size_px / 10}vw, #{font_size_px}px)" %>; line-height: calc(<%= fs %> * 1.3); font-size: <%= fs = "#{font_size_px / 10}cqmin" %>; line-height: calc(<%= fs %> * 1.3)">
+<field-value dir="auto" class="flex absolute <%= 'font-courier' if font == 'Courier' %> <%= 'font-times' if font == 'Times' %> <%= 'font-bold' if font_type == 'bold' || font_type == 'bold_italic' %> <%= 'italic' if font_type == 'italic' || font_type == 'bold_italic' %> <%= align == 'right' ? 'text-right' : (align == 'center' ? 'text-center' : '') %>" style="<%= "color: #{color}; " if color.present? %><%= "background: #{bg_color}; " if bg_color.present? %>width: <%= area['w'] * 100 %>%; height: <%= area['h'] * 100 %>%; left: <%= area['x'] * 100 %>%; top: <%= area['y'] * 100 %>%; font-size: <%= fs = "clamp(1pt, #{font_size_px / 10}vw, #{font_size_px}px)" %>; line-height: calc(<%= fs %> * 1.3); font-size: <%= fs = "#{font_size_px / 10}cqmin" %>; line-height: calc(<%= fs %> * 1.3)">
   <% if field['type'] == 'signature' %>
     <% is_narrow = area['h']&.positive? && (area['w'].to_f / area['h']) > 6 %>
     <div class="flex justify-between w-full h-full gap-1 <%= is_narrow && (local_assigns[:with_signature_id] || field.dig('preferences', 'reason_field_uuid').present?) ? 'flex-row' : 'flex-col' %>">
diff --git a/lib/submissions/generate_result_attachments.rb b/lib/submissions/generate_result_attachments.rb
index 9f59bb86..934c86fc 100644
--- a/lib/submissions/generate_result_attachments.rb
+++ b/lib/submissions/generate_result_attachments.rb
@@ -244,6 +244,7 @@ module Submissions
           font_size ||= (([page.box.width, page.box.height].min / A4_SIZE[0].to_f) * FONT_SIZE).to_i
 
           fill_color = field.dig('preferences', 'color').to_s.delete_prefix('#').presence
+          bg_color = field.dig('preferences', 'background').to_s.delete_prefix('#').presence
 
           font_name = field.dig('preferences', 'font')
           font_variant = (field.dig('preferences', 'font_type').presence || 'none').to_sym
@@ -289,6 +290,13 @@ module Submissions
             with_signature_id = field['preferences']['with_signature_id']
           end
 
+          if bg_color.present?
+            canvas.fill_color(bg_color)
+                  .rectangle(area['x'] * width, height - (area['y'] * height) - (area['h'] * height),
+                             area['w'] * width, area['h'] * height)
+                  .fill
+          end
+
           case field_type
           when ->(type) { type == 'signature' && (with_signature_id || field.dig('preferences', 'reason_field_uuid')) }
             attachment = submitter.attachments.find { |a| a.uuid == value }