更新pdf文档工具

tools/images2pdf.sh

@@ -118,7 +118,7 @@ i=150;width=2560;height=2048; \
 	  -background black	\
       -density ${i}x${i} \
       -units PixelsPerInch \
-	  -resize ${width}x${height}	\
+	  -resize ${width}x *	\
       -gravity center	\
-	  -extent ${width}x${height}	\
+	  -extent ${width}x *	\
       ../output/游戏开发技术-少些重复，多些创意.pdf

tools/test.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+i=150;width=2560;height=2048; \
+	convert \
+	  ../exports/0.前言.png \
+\
+    ../exports/1.基础能力.png \
+    ../exports/1.1.编程语言.png \
+    ../exports/1.1.1.编程语言共通概念.png \
+    ../exports/1.1.2.C++语言.png \
+\
+	  -compress jpeg \
+	  -quality 100 \
+	  -background black	\
+      -density ${i}x${i} \
+      -units PixelsPerInch \
+	  -resize ${width}x *	\
+      -gravity center	\
+	  -extent ${width}x *	\
+      ../output/test.pdf