commit 2c35872b4c71b5600305ec65cbca79de44cda465
parent e90286b9da18a66398ed061f21a04014e18a2f7e
Author: Brian C. Lane <bcl@brianlane.com>
Date: Mon, 30 Dec 2019 11:40:09 -0800
Search for some known fonts
Return a useful error if it cannot find a font for the status bar.
Diffstat:
| M | main.go | | | 22 | ++++++++++++++++++++-- |
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/main.go b/main.go
@@ -5,6 +5,7 @@ import (
"fmt"
"log"
"math/rand"
+ "os"
"strconv"
"strings"
"time"
@@ -39,7 +40,7 @@ var cfg = cmdlineArgs{
Columns: 100,
Seed: 0,
Border: false,
- Font: "/usr/share/fonts/liberation/LiberationMono-Regular.ttf",
+ Font: "",
FontSize: 14,
Rule: "B3/S23",
Fps: 10,
@@ -61,6 +62,10 @@ func parseArgs() {
flag.Parse()
}
+// Possible default fonts to search for
+var defaultFonts = []string{"/usr/share/fonts/liberation/LiberationMono-Regular.ttf",
+ "/usr/X11/share/fonts/TTF/LiberationMono-Regular.ttf"}
+
// RGBAColor holds a color
type RGBAColor struct {
r, g, b, a uint8
@@ -343,7 +348,6 @@ func InitializeGame() *LifeGame {
log.Fatalf("Failed to initialize TTF: %s\n", err)
}
- // TODO Better Font Selection
if game.font, err = ttf.OpenFont(cfg.Font, cfg.FontSize); err != nil {
log.Fatalf("Failed to open font: %s\n", err)
}
@@ -465,6 +469,20 @@ func ParseRulestring(rule string) (birth map[int]bool, stayAlive map[int]bool, e
func main() {
parseArgs()
+ // If the user didn't specify a font, try to find a default one
+ if len(cfg.Font) == 0 {
+ for _, f := range defaultFonts {
+ if _, err := os.Stat(f); !os.IsNotExist(err) {
+ cfg.Font = f
+ break
+ }
+ }
+ }
+
+ if len(cfg.Font) == 0 {
+ log.Fatal("Failed to find a font for the statusbar. Use -font to Pass the path to a monospaced font")
+ }
+
// Initialize the main window
game := InitializeGame()
defer game.cleanup()
