From 8da63012fe6968daf311c4e1ceb470d8ca7e04fc Mon Sep 17 00:00:00 2001
From: nfirbas <nfirbas@noreply.codeberg.org>
Date: Tue, 28 Dec 2021 17:30:22 +0100
Subject: [PATCH] Exporte gender aware avatar generation (#9)

Add function to create male or female avatars

Co-authored-by: nfirbas <nejc.firbas99@gmail.com>
Reviewed-on: https://codeberg.org/Codeberg/avatars/pulls/9
Co-authored-by: nfirbas <nfirbas@noreply.codeberg.org>
Co-committed-by: nfirbas <nfirbas@noreply.codeberg.org>
---
 avatars.go | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/avatars.go b/avatars.go
index 71279e0..d953ca3 100644
--- a/avatars.go
+++ b/avatars.go
@@ -10,17 +10,23 @@ import (
 
 // MakeAvatar create svg from seed
 func MakeAvatar(seedString string) string {
-	var seed uint64
-	for _, c := range []byte(seedString) {
-		seed = bits.RotateLeft64(seed, 8)
-		seed ^= uint64(c)
-	}
+	seed := generateSeed(seedString)
 	if seed&1 == 0 {
 		return femaleAvatar(seed, "")
 	}
 	return maleAvatar(seed, "")
 }
 
+// MakeFemaleAvatar create female svg from seed
+func MakeFemaleAvatar(seedString string) string {
+	return femaleAvatar(generateSeed(seedString), "")
+}
+
+// MakeMaleAvatar create male svg from seed
+func MakeMaleAvatar(seedString string) string {
+	return maleAvatar(generateSeed(seedString), "")
+}
+
 /**
  *  Based on TypeScript DiceBear Avatars, which in turn were inspired by 8biticon avatars:
  *  (MIT License, Copyright (c) 2012 Plastic Jam, Copyright (c) 2019 DiceBear)
@@ -31,6 +37,14 @@ type lcg struct {
 	seed uint64
 }
 
+func generateSeed(seedString string) (seed uint64) {
+	for _, c := range []byte(seedString) {
+		seed = bits.RotateLeft64(seed, 8)
+		seed ^= uint64(c)
+	}
+	return seed
+}
+
 func (g *lcg) random() uint32 {
 	/* Linear Congruent Generator, POSIX/glibc [de]rand48 setting, bits [47..0] are output bits */
 	g.seed = (25214903917*g.seed + 11) % 281474976710656