add device option pad

elegantbook-cn.tex

@@ -1,4 +1,4 @@
-\documentclass[cn,11pt,fancy,hide]{elegantbook}
+\documentclass[cn,11pt,fancy,hide,pad]{elegantbook}
 
 
 \title{ElegantBook：优美的 \LaTeX{} 书籍模板}

elegantbook.cls

@@ -21,7 +21,7 @@
 \DeclareStringOption[answer]{result}
 \DeclareStringOption[fancy]{mode}
 \DeclareStringOption[show]{base}
-
+\DeclareStringOption[normal]{device}
 
 % ----- backward compatibility
 \DeclareVoidOption{green}{\ekv{color=green}}
@@ -43,6 +43,8 @@
 \DeclareVoidOption{hide}{\ekv{base=hide}}
 \DeclareVoidOption{show}{\ekv{base=show}}
 
+\DeclareVoidOption{normal}{\ekv{device=normal}}
+\DeclareVoidOption{pad}{\ekv{device=pad}}
 % ----- Math option -----
 \newcommand\mailto[1]{\href{mailto:#1}{\nolinkurl{#1}}}
 
@@ -276,16 +278,24 @@
 %% device settings
 
 \RequirePackage{geometry}
+
+\ifdefstring{\ELEGANT@device}{normal}{
 \geometry{
 	a4paper,
-%	left=27mm,  %% or inner=23mm
-%	right=27mm, %% or outer=18mm
 	top=25.4mm, bottom=25.4mm,
 	headheight=2.17cm,
 	headsep=4mm,
 	footskip=12mm
-}
+}}{\relax}
 
+\ifdefstring{\ELEGANT@device}{pad}{
+\geometry{
+	paperwidth=7.5in, 
+	paperheight=10in,
+	margin=16mm,
+	headheight=2.17cm,
+	footskip=4mm
+}}{\relax}
 
 \RequirePackage{hyperref}
 \hypersetup{
@@ -615,11 +625,17 @@
  \def\@logo{\includegraphics[width=4.2cm]{#1}
  }
 }
+\ifdefstring{\ELEGANT@device}{normal}{
 \newcommand*{\cover}[1]{
  \def\@cover{\includegraphics[width=\linewidth]{#1}
  }
-}
+}}{\relax}
 
+\ifdefstring{\ELEGANT@device}{pad}{
+\newcommand*{\cover}[1]{
+ \def\@cover{\includegraphics[trim=0 26px 0 26px,clip=true, width=\linewidth]{#1}
+ }
+}}{\relax}
 
 \renewcommand{\baselinestretch}{1.35}