diff --git a/graphics/text/textgen b/graphics/text/textgen
index b647a5f3..36bd0dc1 100755
--- a/graphics/text/textgen
+++ b/graphics/text/textgen
@@ -138,9 +138,11 @@ class Font(object):
 
 		return command_line
 
-	def render_text(self, text, output_filename,
+	def get_command(self, text, output_filename,
 	                color=COLOR_WHITE, bgcolor=BACKGROUND_COLOR):
-		"""Render text to a file with the given background color."""
+		"""Get command line to render text to a file
+		   with the given background color.
+		"""
 
 		if UPPERCASE_FONT:
 			text = text.upper()
@@ -152,13 +154,14 @@ class Font(object):
 
 		command_line.append(output_filename)
 
-		invoke_command(command_line)
+		return command_line
 
 def generate_graphics(graphics, color=COLOR_WHITE, bgcolor=BACKGROUND_COLOR):
 	for name, text in sorted(graphics.items()):
 		print("# %s.gif: '%s'" % (name, text))
-		font.render_text(text, '%s.gif' % name,
-		                 color=color, bgcolor=bgcolor)
+		cmd = font.get_command(text, '%s.gif' % name,
+		                       color=color, bgcolor=bgcolor)
+		invoke_command(cmd)
 
 def generate_kerning_test():
 	pairs = []
@@ -169,7 +172,8 @@ def generate_kerning_test():
 			if font.kerning_adjust(char1, char2) != 0:
 				pairs.append(char1 + char2)
 
-	font.render_text(" ".join(pairs), "kerning.gif")
+	cmd = font.get_command(" ".join(pairs), "kerning.gif")
+	invoke_command(cmd)
 
 font = Font('fontchars', kerning_table=FONT_KERNING_RULES)