├── README.md ├── avatar.jpeg ├── go.mod ├── go.sum ├── main.go ├── output ├── flag_avatar1.png ├── flag_avatar2.png ├── flag_avatar3.png └── flag_avatar4.png └── src ├── flag1.png ├── flag2.png ├── flag3.png ├── flag4.png └── qr.png /README.md: -------------------------------------------------------------------------------- 1 | # generate-flag-avatar 2 | 不需要@微信官方，迎国庆换新颜活动，给头像添加一面国旗 3 | 4 | ### 演示地址 5 | 6 | 7 | ### 使用说明 8 | 本机需要 go 环境 9 | 10 | 把要生成的头像放在根目录下,修改`main.go`里的头像路径 11 | 12 | 运行 `main.go`,四种结果在`output`文件夹内 13 | 14 | 15 | | 1 | 2 | 3 | 4 | 16 | |---|---|---|---| 17 | | | | | 18 | -------------------------------------------------------------------------------- /avatar.jpeg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/abcdsxg/generate-flag-avatar/a5c679248950e38395eab266605bcc3aa1c96969/avatar.jpeg -------------------------------------------------------------------------------- /go.mod: -------------------------------------------------------------------------------- 1 | module github.com/abcdsxg/generate-flag-avatar 2 | 3 | go 1.13 4 | 5 | require ( 6 | github.com/gin-gonic/gin v1.4.0 7 | github.com/google/uuid v1.1.1 8 | github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 9 | ) 10 | -------------------------------------------------------------------------------- /go.sum: -------------------------------------------------------------------------------- 1 | github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= 2 | github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= 3 | github.com/gin-contrib/sse v0.0.0-20190301062529-5545eab6dad3 h1:t8FVkw33L+wilf2QiWkw0UV77qRpcH/JHPKGpKa2E8g= 4 | github.com/gin-contrib/sse v0.0.0-20190301062529-5545eab6dad3/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s= 5 | github.com/gin-gonic/gin v1.4.0 h1:3tMoCCfM7ppqsR0ptz/wi1impNpT7/9wQtMZ8lr1mCQ= 6 | github.com/gin-gonic/gin v1.4.0/go.mod h1:OW2EZn3DO8Ln9oIKOvM++LBO+5UPHJJDH72/q/3rZdM= 7 | github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg= 8 | github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= 9 | github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY= 10 | github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= 11 | github.com/json-iterator/go v1.1.6 h1:MrUvLMLTMxbqFJ9kzlvat/rYZqZnW3u4wkLzWTaFwKs= 12 | github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU= 13 | github.com/mattn/go-isatty v0.0.7 h1:UvyT9uN+3r7yLEYSlJsbQGdsaB/a0DlgWP3pql6iwOc= 14 | github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s= 15 | github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg= 16 | github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= 17 | github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI= 18 | github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= 19 | github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ= 20 | github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8= 21 | github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= 22 | github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= 23 | github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= 24 | github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q= 25 | github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= 26 | github.com/ugorji/go v1.1.4 h1:j4s+tAvLfL3bZyefP2SEWmhBzmuIlH/eqNuPdFPgngw= 27 | github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc= 28 | golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= 29 | golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c h1:uOCk1iQW6Vc18bnC13MfzScl+wdKBmM9Y9kU7Z83/lw= 30 | golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= 31 | golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= 32 | golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 h1:DH4skfRX4EBpamg7iV4ZlCpblAHI6s6TDM39bFZumv8= 33 | golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= 34 | golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= 35 | gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= 36 | gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= 37 | gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM= 38 | gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE= 39 | gopkg.in/go-playground/validator.v8 v8.18.2 h1:lFB4DoMU6B626w8ny76MV7VX6W2VHct2GVOI3xgiMrQ= 40 | gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y= 41 | gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= 42 | gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= 43 | -------------------------------------------------------------------------------- /main.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "fmt" 5 | "image" 6 | "image/draw" 7 | "image/jpeg" 8 | "image/png" 9 | "log" 10 | "os" 11 | 12 | "github.com/nfnt/resize" 13 | ) 14 | 15 | func main() { 16 | for _, i := range []int{1, 2, 3, 4} { 17 | path, err := AddFlag("avatar.jpeg", i) 18 | if err != nil { 19 | log.Println(err) 20 | } 21 | log.Println(path) 22 | } 23 | } 24 | 25 | func AddFlag(avatarPath string, num int) (scrName string, err error) { 26 | paddingX, paddingY := 20, 20 //图片边框长度 27 | 28 | scrName = fmt.Sprintf("./output/flag_avatar%d.png", num) 29 | flagPath := fmt.Sprintf("./src/flag%d.png", num) 30 | 31 | file, err := os.Create(scrName) 32 | if err != nil { 33 | return 34 | } 35 | defer file.Close() 36 | 37 | flagFile, err := os.Open(flagPath) 38 | if err != nil { 39 | return 40 | } 41 | defer flagFile.Close() 42 | 43 | flagImg, err := png.Decode(flagFile) 44 | if err != nil { 45 | return 46 | } 47 | 48 | avatarFile, err := os.Open(avatarPath) 49 | if err != nil { 50 | return 51 | } 52 | defer avatarFile.Close() 53 | 54 | avatarImg, err := jpeg.Decode(avatarFile) 55 | if err != nil { 56 | return 57 | } 58 | 59 | //resize avatar 60 | newImage := resize.Resize(uint(flagImg.Bounds().Dx()-20), uint(flagImg.Bounds().Dy()-20), avatarImg, resize.Lanczos3) 61 | 62 | resultPng := image.NewRGBA(image.Rect(0, 0, flagImg.Bounds().Dx(), flagImg.Bounds().Dy())) 63 | draw.Draw(resultPng, resultPng.Bounds(), newImage, newImage.Bounds().Min.Sub(image.Pt(paddingX, paddingY)), draw.Over) 64 | draw.Draw(resultPng, resultPng.Bounds(), flagImg, flagImg.Bounds().Min, draw.Over) 65 | 66 | err = png.Encode(file, resultPng) 67 | if err != nil { 68 | return 69 | } 70 | return 71 | } 72 | -------------------------------------------------------------------------------- /output/flag_avatar1.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/abcdsxg/generate-flag-avatar/a5c679248950e38395eab266605bcc3aa1c96969/output/flag_avatar1.png -------------------------------------------------------------------------------- /output/flag_avatar2.png: 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https://raw.githubusercontent.com/abcdsxg/generate-flag-avatar/a5c679248950e38395eab266605bcc3aa1c96969/src/flag4.png -------------------------------------------------------------------------------- /src/qr.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/abcdsxg/generate-flag-avatar/a5c679248950e38395eab266605bcc3aa1c96969/src/qr.png --------------------------------------------------------------------------------