package gravatar_test import (	"bytes"	"fmt"	gr "git.sr.ht/~ft/gravatar"	"image"	_ "image/png") func ExampleGetAvatar() {	// get avatar image (128x128) using HTTP transport	emailHash := gr.EmailHash("ftrvxmtrx@gmail.com")	raw, err := gr.GetAvatar("http", emailHash, 128) 	// get avatar image (32x32) using HTTP transport	// allow images of any rating level	raw, err = gr.GetAvatar("http", emailHash, gr.RatingX, 32) 	// get avatar image (default size, png format) with fallback to "retro"	// generated avatar.	// use HTTPS transport	emailHash = "cfcd208495d565ef66e7dff9f98764da.png"	raw, err = gr.GetAvatar("https", emailHash, gr.DefaultRetro) 	if err == nil {		var cfg image.Config		var format string 		rawb := bytes.NewReader(raw)		cfg, format, err = image.DecodeConfig(rawb)		fmt.Println(cfg, format)	}} func ExampleGetAvatarURL() {	// get URL to avatar image of size 256x256	// fall back to "monster" generated avatar	emailHash := gr.EmailHash("ftrvxmtrx@gmail.com")	url := gr.GetAvatarURL("https", emailHash, gr.DefaultMonster, 256)	fmt.Println(url.String())} func ExampleGetProfile() {	// get profile using HTTPS transport	emailHash := gr.EmailHash("ftrvxmtrx@gmail.com")	profile, err := gr.GetProfile("https", emailHash) 	if err == nil {		fmt.Println(profile.PreferredUsername)		fmt.Println(profile.ProfileUrl)	}} func ExampleSetAvatarURLOptions() {	// get URL to avatar image of default size	emailHash := gr.EmailHash("ftrvxmtrx@gmail.com")	url := gr.GetAvatarURL("https", emailHash)	fmt.Printf("default URL: %s", url.String())	// set size to 256x256	// fall back to "monster" generated avatar	gr.SetAvatarURLOptions(url, gr.DefaultMonster, 256)	fmt.Printf("modified URL: %s", url.String())	// reset back to the default one	gr.SetAvatarURLOptions(url)	fmt.Printf("URL after reset: %s", url.String())}