added bordered boxes to gallery images

documents/gallery/gallery.tex

@@ -5,6 +5,11 @@
 \usepackage[ngerman]{babel} % this is needed for umlauts
 \usepackage[T1]{fontenc}    % this is needed for correct output of umlauts in pdf
 
+\usepackage{adjustbox}
+\usepackage{xcolor}
+\definecolor{myLightGray}{HTML}{F9F9F9}
+\definecolor{borderColor}{HTML}{CCCCCC}
+
 \usepackage{tikz} % needed for includestandalone
 \usetikzlibrary{arrows,positioning, calc}
 
@@ -31,13 +36,15 @@ voluptua. At vero eos et accusam et justo duo dolores et ea rebum.
 Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum 
 dolor sit amet.   
 
+%Before \adjustbox{padding=1ex 2ex 3ex 4ex,frame,margin=1ex 2ex 3ex 4ex}{Text} After
+
 \begin{gallery}
-    \includestandalone{dot-product-1}
-    \includestandalone{dot-product-2}
-    \includestandalone{dot-product-3-1}
-    \includestandalone{dot-product-6}
-    \includestandalone{equilateral-triangle}
-    \includestandalone{equilateral-triangle-heights}
+    \adjustbox{max width=150px,max height=150px,bgcolor=myLightGray,cfbox=borderColor 1px 0px 2px}{\includestandalone{dot-product-1}}
+    \adjustbox{max width=150px,max height=150px,bgcolor=myLightGray,cfbox=borderColor 1px 0px 2px}{\includestandalone{dot-product-2}}
+    \adjustbox{max width=150px,max height=150px,bgcolor=myLightGray,cfbox=borderColor 1px 0px 2px}{\includestandalone{dot-product-3-1}}
+    \adjustbox{max width=150px,max height=150px,bgcolor=myLightGray,cfbox=borderColor 1px 0px 2px}{\includestandalone{dot-product-6}}
+    \adjustbox{max width=150px,max height=150px,bgcolor=myLightGray,cfbox=borderColor 1px 0px 2px}{\includestandalone{equilateral-triangle}}
+    \adjustbox{max width=150px,max height=150px,bgcolor=myLightGray,cfbox=borderColor 1px 0px 2px}{\includestandalone{equilateral-triangle-heights}}
 \end{gallery}
  
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