font asset

internal/assets/font.go

@@ -0,0 +1,23 @@
+package assets
+
+import (
+	_ "embed"
+	"runtime"
+	"unsafe"
+)
+
+// uiFont contains the player UI font so the executable does not depend on a
+// machine-specific font installation.
+//
+//go:embed fonts/JetBrainsMonoNLNerdFontMono-Regular.ttf
+var uiFont []byte
+
+// PinUIFont returns the embedded font data and a release function. ImGui keeps
+// the supplied pointer until its font atlas is destroyed, so callers must keep
+// the data pinned and invoke release only after destroying the ImGui context.
+func PinUIFont() (data uintptr, size int32, release func()) {
+	pinner := new(runtime.Pinner)
+	pinner.Pin(&uiFont[0])
+
+	return uintptr(unsafe.Pointer(&uiFont[0])), int32(len(uiFont)), pinner.Unpin
+}