[PATCH -perfbook 4/4] ebook: Reduce chapter heading's font size and spaces

[Akira Yokosawa <akiyks@gmail.com>]

The default font size of \Huge for chapter headings is too large
in ebook-sized builds.

Reduce the size and spaces around them by adding titlesec settings.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
---
 perfbook-lt.tex | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/perfbook-lt.tex b/perfbook-lt.tex
index c45d033c..cdc0acc7 100644
--- a/perfbook-lt.tex
+++ b/perfbook-lt.tex
@@ -415,6 +415,10 @@
     %\pagestyle{empty}
     %\usepackage[scaled]{helvet}
     %\renewcommand{\familydefault}{\sfdefault}
+    % Smaller font and tighter space for chapter title
+    \titleformat{\chapter}[display]{\normalfont\bfseries}
+                {\Large\chaptertitlename~\thechapter}{0pt}{\LARGE}
+    \titlespacing*{\chapter}{0pt}{*1}{*2}
   }{
   \IfHardCover{
     \usepackage[papersize={8.25in,10.75in},body={4.75in,8.25in},onecolumn]{geometry}
-- 
2.17.1