🚧 improve image encryption and decryption

common/captcha/initialize/text_captcha.go

@@ -5,8 +5,10 @@ import (
 	"github.com/wenlng/go-captcha-assets/bindata/chars"
 	"github.com/wenlng/go-captcha-assets/resources/fonts/fzshengsksjw"
 	"github.com/wenlng/go-captcha-assets/resources/images"
+	"github.com/wenlng/go-captcha-assets/resources/thumbs"
 	"github.com/wenlng/go-captcha/v2/base/option"
 	"github.com/wenlng/go-captcha/v2/click"
+	"log"
 )
 
 // NewTextCaptcha 初始化点选验证码
@@ -47,51 +49,18 @@ func NewTextCaptcha() click.Captcha {
 	}
 
 	// thumb images
-	// thumbImages, err := thumbs.GetThumbs()
-	// if err != nil {
-	//	log.Fatalln(err)
-	// }
+	thumbImages, err := thumbs.GetThumbs()
+	if err != nil {
+		log.Fatalln(err)
+	}
 
 	// set resources
 	builder.SetResources(
 		click.WithChars(chars.GetChineseChars()),
-		// click.WithChars([]string{
-		//	"1A",
-		//	"5E",
-		//	"3d",
-		//	"0p",
-		//	"78",
-		//	"DL",
-		//	"CB",
-		//	"9M",
-		// }),
-		// click.WithChars(chars.GetAlphaChars()),
-		click.WithFonts([]*truetype.Font{fonts}),
-		click.WithBackgrounds(imgs),
-		// click.WithThumbBackgrounds(thumbImages),
-	)
-	// global.TextCaptcha = builder.Make()
-
-	// ============================
-
-	builder.Clear()
-	builder.SetOptions(
-		click.WithRangeLen(option.RangeVal{Min: 4, Max: 6}),
-		click.WithRangeVerifyLen(option.RangeVal{Min: 2, Max: 4}),
-		click.WithRangeThumbColors([]string{
-			"#4a85fb",
-			"#d93ffb",
-			"#56be01",
-			"#ee2b2b",
-			"#cd6904",
-			"#b49b03",
-			"#01ad90",
-		}),
-	)
-	builder.SetResources(
-		click.WithChars(chars.GetChineseChars()),
+		click.WithChars(chars.GetAlphaChars()),
 		click.WithFonts([]*truetype.Font{fonts}),
 		click.WithBackgrounds(imgs),
+		click.WithThumbBackgrounds(thumbImages),
 	)
 	return builder.Make()
 }