various small changes

char.go

@@ -3,11 +3,10 @@ package figlet4go
 import (
 	"errors"
 	"github.com/fatih/color"
-	"strings"
 )
 
 // Represents a single ascii character
-type AsciiChar struct {
+type asciiChar struct {
 	// Slice with the lines of the Char
 	Lines []string
 	// Color of the char
@@ -15,30 +14,20 @@ type AsciiChar struct {
 }
 
 // Creates a new ascii character
-func NewAsciiChar(font *font, char rune) (*AsciiChar, error) {
+func NewAsciiChar(font *font, char rune) (*asciiChar, error) {
 	// If not ascii, throw an error
 	if char < 0 || char > 127 {
 		return nil, errors.New("Not Ascii")
 	}
 
-	height := font.height
-	beginRow := (int(char) - 32) * height
+	// Get the font's representation of the char
+	lines := font.getCharSlice(char)
 
-	lines := make([]string, height)
-
-	// Get the char lines of the char
-	for i := 0; i < height; i++ {
-		row := font.fontSlice[beginRow+i]
-		row = strings.Replace(row, "@", "", -1)
-		row = strings.Replace(row, font.hardblank, " ", -1)
-		lines[i] = row
-	}
-
-	return &AsciiChar{Lines: lines}, nil
+	return &asciiChar{Lines: lines}, nil
 }
 
 // Return a line of the char as string with color if set
-func (char *AsciiChar) GetLine(index int) string {
+func (char *asciiChar) GetLine(index int) string {
 	if char.Color != 0 {
 		colorFunc := color.New(char.Color).SprintFunc()
 		return colorFunc(char.Lines[index])