final fix for #65: dynamically set the page size for printing

yihui · Aug 9, 2017 · 3e4eee0 · 3e4eee0
1 parent 77c258c
commit 3e4eee0
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diff --git 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
@@ -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
@@ -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;