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Beego/pkg/adapter/utils/captcha/image.go
2020-09-05 18:07:42 +08:00

36 lines
1.1 KiB
Go

// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package captcha
import (
"io"
"github.com/astaxie/beego/pkg/server/web/captcha"
)
// Image struct
type Image captcha.Image
// NewImage returns a new captcha image of the given width and height with the
// given digits, where each digit must be in range 0-9.
func NewImage(digits []byte, width, height int) *Image {
return (*Image)(captcha.NewImage(digits, width, height))
}
// WriteTo writes captcha image in PNG format into the given writer.
func (m *Image) WriteTo(w io.Writer) (int64, error) {
return (*captcha.Image)(m).WriteTo(w)
}