From 3e4eee066d36afc314cb47b0388d2d56b05acaa6 Mon Sep 17 00:00:00 2001
From: Yihui Xie <xie@yihui.name>
Date: Tue, 8 Aug 2017 22:13:20 -0500
Subject: [PATCH] final fix for #65: dynamically set the page size for printing

---
 R/render.R                                                 | 1 +
 inst/rmarkdown/templates/xaringan/resources/example.css    | 1 +
 inst/rmarkdown/templates/xaringan_zh-CN/skeleton/zh-CN.css | 1 +
 3 files changed, 3 insertions(+)

diff --git a/R/render.R b/R/render.R
index a6e32cd..4834ef7 100644
--- a/R/render.R
+++ b/R/render.R
@@ -87,6 +87,7 @@ moon_reader = function(
     tags$script(HTML(paste(c(sprintf(
       'var slideshow = remark.create(%s);', if (length(nature)) knitr:::tojson(nature) else ''
     ), "if (window.HTMLWidgets) slideshow.on('afterShowSlide', function (slide) {window.dispatchEvent(new Event('resize'));});",
+    '(function() {var d = document, s = d.createElement("style"), r = d.querySelector(".remark-slide-scaler"); if (!r) return; s.type = "text/css"; s.innerHTML = "@page {size: " + r.style.width + " " + r.style.height +"; }"; d.head.appendChild(s);})();',
     play_js, countdown_js), collapse = '\n')))
   )), tmp_js)
 
diff --git a/inst/rmarkdown/templates/xaringan/resources/example.css b/inst/rmarkdown/templates/xaringan/resources/example.css
index a1594ab..48c539b 100644
--- a/inst/rmarkdown/templates/xaringan/resources/example.css
+++ b/inst/rmarkdown/templates/xaringan/resources/example.css
@@ -71,6 +71,7 @@ table thead th { border-bottom: 1px solid #ddd; }
 th, td { padding: 5px; }
 thead, tfoot, tr:nth-child(even) { background: #eee }
 
+@page { margin: 0; }
 @media print {
   .remark-slide-scaler {
     width: 100% !important;
diff --git a/inst/rmarkdown/templates/xaringan_zh-CN/skeleton/zh-CN.css b/inst/rmarkdown/templates/xaringan_zh-CN/skeleton/zh-CN.css
index fa07b82..2affbf0 100644
--- a/inst/rmarkdown/templates/xaringan_zh-CN/skeleton/zh-CN.css
+++ b/inst/rmarkdown/templates/xaringan_zh-CN/skeleton/zh-CN.css
@@ -89,6 +89,7 @@ table thead th { border-bottom: 1px solid #ddd; }
 th, td { padding: 5px; }
 thead, tfoot, tr:nth-child(even) { background: #eee }
 
+@page { margin: 0; }
 @media print {
   .remark-slide-scaler {
     width: 100% !important;