vg: document behaviour of zero font size text

gonum · Mar 12, 2019 · cd8a204 · cd8a204
1 parent 52149d6
commit cd8a204
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/vg/vg.go b/vg/vg.go
@@ -74,6 +74,7 @@ type Canvas interface {
 
 	// FillString fills in text at the specified
 	// location using the given font.
+	// If the font size is zero, the text is not drawn.
 	FillString(f Font, pt Point, text string)
 
 	// DrawImage draws the image, scaled to fit