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fix

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This commit is contained in:
laodaming
2023-06-16 11:15:38 +08:00
parent 169c167d4a
commit 748e707dfa
4 changed files with 78 additions and 47 deletions
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52
utils/qrcode/creator.go
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@@ -7,37 +7,57 @@ import (
"github.com/skip2/go-qrcode"
"golang.org/x/image/draw"
"image"
"image/color"
_ "image/jpeg"
"image/png"
"os"
)
// 带logo的二维码图片生成 content-二维码内容 size-像素单位 outPath 保存路径（传空则不保存） disableBorder是否不启用边框 logoPath-logo文件路径(传空就不带) x：x轴整体偏移 y:y轴整体偏移
func CreateQrCodeBs64WithLogo(content, outPath string, logoPath string, size, x, y int, disableBorder bool) (data string, err error) {
code, err := qrcode.New(content, qrcode.High)
type CreateQrCodeBs64WithLogoReq struct {
Content string //二维码内容
OutPath *string //二维码保存路径（可选）
LogoPath *string //logo路径（可选）
Size int64 //二维码尺寸
X *int64 //二维码整体x偏移
Y *int64 //二维码整体Y偏移
ForegroundColor *color.Color //二维码纹路颜色
BackgroundColor *color.Color //二维码背景颜色
DisableBorder bool // 是否不要二维码边框
}
func CreateQrCodeBs64WithLogo(req CreateQrCodeBs64WithLogoReq) (data string, err error) {
code, err := qrcode.New(req.Content, qrcode.High)
if err != nil {
return
}
if disableBorder {
if req.DisableBorder {
code.DisableBorder = true
}
//二维码纹路颜色
if req.ForegroundColor != nil {
code.ForegroundColor = *req.ForegroundColor
}
//背景颜色
if req.BackgroundColor != nil {
code.BackgroundColor = *req.BackgroundColor
}
//设置文件大小并创建画板
qrcodeImg := code.Image(size)
qrcodeImg := code.Image(int(req.Size))
outImg := image.NewRGBA(qrcodeImg.Bounds())
buf := new(bytes.Buffer)
//无logo
if logoPath == "" {
if req.LogoPath == nil {
//图像偏移
if x != 0 || y != 0 {
draw.Draw(outImg, outImg.Bounds().Add(image.Pt(x, y)), qrcodeImg, outImg.Bounds().Min, draw.Src)
if req.X != nil && req.Y != nil {
draw.Draw(outImg, outImg.Bounds().Add(image.Pt(int(*req.X), int(*req.Y))), qrcodeImg, outImg.Bounds().Min, draw.Src)
}
err = png.Encode(buf, outImg)
if err != nil {
return "", err
}
if outPath != "" {
if req.OutPath != nil {
// 写入文件
f, err := os.Create(outPath)
f, err := os.Create(*req.OutPath)
if err != nil {
return "", err
}
@@ -50,7 +70,7 @@ func CreateQrCodeBs64WithLogo(content, outPath string, logoPath string, size, x,
return base64.StdEncoding.EncodeToString(buf.Bytes()), nil
}
//读取logo文件
logoFile, err := os.Open(logoPath)
logoFile, err := os.Open(*req.LogoPath)
if err != nil {
return "", err
}
@@ -58,7 +78,7 @@ func CreateQrCodeBs64WithLogo(content, outPath string, logoPath string, size, x,
if err != nil {
return "", err
}
logoImg = resize.Resize(uint(size/5), uint(size/5), logoImg, resize.Lanczos3)
logoImg = resize.Resize(uint(req.Size/5), uint(req.Size/5), logoImg, resize.Lanczos3)
// 添加边框
// 图片到边框距离
pic2FramePadding := logoImg.Bounds().Dx() / 10
@@ -79,16 +99,16 @@ func CreateQrCodeBs64WithLogo(content, outPath string, logoPath string, size, x,
offset := image.Pt((outImg.Bounds().Max.X-transparentImg.Bounds().Max.X)/2, (outImg.Bounds().Max.Y-transparentImg.Bounds().Max.Y)/2)
draw.Draw(outImg, outImg.Bounds().Add(offset), transparentImg, image.Pt(0, 0), draw.Over)
//图像偏移
if x != 0 || y != 0 {
draw.Draw(outImg, outImg.Bounds().Add(image.Pt(x, y)), qrcodeImg, outImg.Bounds().Min, draw.Src)
if req.X != nil && req.Y != nil {
draw.Draw(outImg, outImg.Bounds().Add(image.Pt(int(*req.X), int(*req.Y))), qrcodeImg, outImg.Bounds().Min, draw.Src)
}
err = png.Encode(buf, outImg)
if err != nil {
return "", err
}
if outPath != "" {
if req.OutPath != nil {
// 写入文件
f, err := os.Create(outPath)
f, err := os.Create(*req.OutPath)
if err != nil {
return "", err
}