various small changes

font.go

@@ -1,9 +1,9 @@
 // Explanation of the .flf file header
 // THE HEADER LINE
-// 
+//
 // The header line gives information about the FIGfont.  Here is an example
 // showing the names of all parameters:
-// 
+//
 //           flf2a$ 6 5 20 15 3 0 143 229    NOTE: The first five characters in
 //             |  | | | |  |  | |  |   |     the entire file must be "flf2a".
 //            /  /  | | |  |  | |  |   \
@@ -12,24 +12,41 @@
 //          Height  /   |  |   \  Print_Direction
 //          Baseline   /    \   Comment_Lines
 //           Max_Length      Old_Layout*
-// 
+//
 //   * The two layout parameters are closely related and fairly complex.
 //       (See "INTERPRETATION OF LAYOUT PARAMETERS".)
 //
 package figlet4go
 
+import (
+	"strings"
+)
 
 // Represents a single font
 type font struct {
 	// Hardblank symbol
 	hardblank string
 	// Height of one char
-	height    int
+	height int
 	//
 	fontSlice []string
 }
 
-func (f *font) getCharSlice() []string {
-	// TODO here will be the logic of NewAsciiChar
-	return []string{} 
-}
+// Get a slice of strings containing the chars lines
+func (f *font) getCharSlice(char rune) []string {
+
+	height := f.height
+	beginRow := (int(char) - 32) * height
+
+	lines := make([]string, height)
+
+	// Get the char lines of the char
+	for i := 0; i < height; i++ {
+		row := f.fontSlice[beginRow+i]
+		row = strings.Replace(row, "@", "", -1)
+		row = strings.Replace(row, f.hardblank, " ", -1)
+		lines[i] = row
+	}
+
+	return lines
+}