From 85bced7801875e6cc754bb943dcf1572c748c429 Mon Sep 17 00:00:00 2001
From: Bruno Reis <bfreis@gmail.com>
Date: Fri, 10 Aug 2018 23:25:01 -0700
Subject: [PATCH] tests and fixes #123, SIGSEGV on text.NewAtlas if glyph
 absent

---
 text/atlas.go      | 5 +++--
 text/atlas_test.go | 5 +++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/text/atlas.go b/text/atlas.go
index b7ddf43..2430a32 100644
--- a/text/atlas.go
+++ b/text/atlas.go
@@ -60,8 +60,9 @@ func NewAtlas(face font.Face, runeSets ...[]rune) *Atlas {
 	))
 
 	for r, fg := range fixedMapping {
-		dr, mask, maskp, _, _ := face.Glyph(fg.dot, r)
-		draw.Draw(atlasImg, dr, mask, maskp, draw.Src)
+		if dr, mask, maskp, _, ok := face.Glyph(fg.dot, r); ok {
+			draw.Draw(atlasImg, dr, mask, maskp, draw.Src)
+		}
 	}
 
 	bounds := pixel.R(
diff --git a/text/atlas_test.go b/text/atlas_test.go
index 2cb99bb..fdb69b0 100644
--- a/text/atlas_test.go
+++ b/text/atlas_test.go
@@ -4,6 +4,7 @@ import (
 	"testing"
 
 	"github.com/faiface/pixel/text"
+	"golang.org/x/image/font/inconsolata"
 )
 
 func TestAtlas7x13(t *testing.T) {
@@ -22,3 +23,7 @@ func TestAtlas7x13(t *testing.T) {
 		}
 	}
 }
+
+func TestAtlasInconsolata(t *testing.T) {
+	text.NewAtlas(inconsolata.Regular8x16, text.ASCII)
+}