From 8543d2d61fbafde6222e9b95f9604b41570db477 Mon Sep 17 00:00:00 2001
From: cyqsimon <28627918+cyqsimon@users.noreply.github.com>
Date: Wed, 20 Jul 2022 16:26:08 +0800
Subject: Switch to `qrcode` lib

---
 src/renderer.rs | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'src/renderer.rs')

diff --git a/src/renderer.rs b/src/renderer.rs
index 7ec48b0..48b74b6 100644
--- a/src/renderer.rs
+++ b/src/renderer.rs
@@ -3,6 +3,7 @@ use chrono::{DateTime, Utc};
 use chrono_humanize::Humanize;
 use clap::{crate_name, crate_version};
 use maud::{html, Markup, PreEscaped, DOCTYPE};
+use qrcode::QrCode;
 use std::time::SystemTime;
 use strum::IntoEnumIterator;
 
@@ -224,6 +225,45 @@ pub fn raw(entries: Vec<Entry>, is_root: bool) -> Markup {
     }
 }
 
+/// Renders the QR code page
+pub fn qr_code_page(qr: &QrCode) -> Markup {
+    use qrcode::render::svg;
+
+    html! {
+        (DOCTYPE)
+        html {
+            body {
+                // make QR code expand and fill page
+                style {
+                    (PreEscaped("\
+                        html {\
+                            width: 100vw;\
+                            height: 100vh;\
+                        }\
+                        body {\
+                            width: 100%;\
+                            height: 100%;\
+                            margin: 0;\
+                            display: grid;\
+                            align-items: center;\
+                            justify-items: center;\
+                        }\
+                        svg {\
+                            width: 80%;\
+                            height: 80%;\
+                        }\
+                    "))
+                }
+                (PreEscaped(qr.render()
+                    .quiet_zone(false)
+                    .dark_color(svg::Color("#000000"))
+                    .light_color(svg::Color("#ffffff"))
+                    .build()))
+            }
+        }
+    }
+}
+
 // Partial: version footer
 fn version_footer() -> Markup {
     html! {
-- 
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