diff --git a/go.mod b/go.mod index bae6c66e4..b2701ba9c 100644 --- a/go.mod +++ b/go.mod @@ -34,6 +34,7 @@ require ( github.com/go-redis/redis/v7 v7.4.0 github.com/go-sql-driver/mysql v1.5.0 github.com/go-testfixtures/testfixtures/v3 v3.3.0 + github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 github.com/gordonklaus/ineffassign v0.0.0-20200309095847-7953dde2c7bf github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 github.com/imdario/mergo v0.3.10 @@ -64,6 +65,7 @@ require ( github.com/swaggo/swag v1.6.7 github.com/ulule/limiter/v3 v3.5.0 golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de + golang.org/x/image v0.0.0-20200801110659-972c09e46d76 golang.org/x/lint v0.0.0-20200302205851-738671d3881b golang.org/x/net v0.0.0-20200602114024-627f9648deb9 // indirect golang.org/x/text v0.3.3 // indirect diff --git a/go.sum b/go.sum index 52b1d8fbe..8c4a83bd2 100644 --- a/go.sum +++ b/go.sum @@ -137,8 +137,6 @@ github.com/fzipp/gocyclo v0.0.0-20150627053110-6acd4345c835/go.mod h1:BjL/N0+C+j github.com/garyburd/redigo v1.6.0 h1:0VruCpn7yAIIu7pWVClQC8wxCJEcG3nyzpMSHKi1PQc= github.com/garyburd/redigo v1.6.0/go.mod h1:NR3MbYisc3/PwhQ00EMzDiPmrwpPxAn5GI05/YaO1SY= github.com/gavv/httpexpect v2.0.0+incompatible/go.mod h1:x+9tiU1YnrOvnB725RkpoLv1M62hOWzwo5OXotisrKc= -github.com/getsentry/sentry-go v0.6.1 h1:K84dY1/57OtWhdyr5lbU78Q/+qgzkEyGc/ud+Sipi5k= -github.com/getsentry/sentry-go v0.6.1/go.mod h1:0yZBuzSvbZwBnvaF9VwZIMen3kXscY8/uasKtAX1qG8= github.com/getsentry/sentry-go v0.7.0 h1:MR2yfR4vFfv/2+iBuSnkdQwVg7N9cJzihZ6KJu7srwQ= github.com/getsentry/sentry-go v0.7.0/go.mod h1:pLFpD2Y5RHIKF9Bw3KH6/68DeN2K/XBJd8awjdPnUwg= github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk= @@ -205,6 +203,8 @@ github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4= github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe h1:lXe2qZdvpiX5WZkZR4hgp4KJVfY3nMkvmwbVkpv1rVY= github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0= +github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g= +github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k= github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= @@ -284,8 +284,6 @@ github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2p github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc= github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 h1:VHgatEHNcBFEB7inlalqfNqw65aNkM1lGX2yt3NmbS8= github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334/go.mod h1:SK73tn/9oHe+/Y0h39VT4UCxmurVJkR5NA7kMEAOgSE= -github.com/imdario/mergo v0.3.9 h1:UauaLniWCFHWd+Jp9oCEkTBj8VO/9DKg3PV3VCNMDIg= -github.com/imdario/mergo v0.3.9/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA= github.com/imdario/mergo v0.3.10 h1:6q5mVkdH/vYmqngx7kZQTjJ5HRsx+ImorDIEQ+beJgc= github.com/imdario/mergo v0.3.10/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA= github.com/imkira/go-interpol v1.1.0/go.mod h1:z0h2/2T3XF8kyEPpRgJ3kmNv+C43p+I/CoI+jC3w2iA= @@ -417,10 +415,6 @@ github.com/lib/pq v1.3.0 h1:/qkRGz8zljWiDcFvgpwUpwIAPu3r07TDvs3Rws+o/pU= github.com/lib/pq v1.3.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo= github.com/lib/pq v1.6.0 h1:I5DPxhYJChW9KYc66se+oKFFQX6VuQrKiprsX6ivRZc= github.com/lib/pq v1.6.0/go.mod h1:4vXEAYvW1fRQ2/FhZ78H73A60MHw1geSm145z2mdY1g= -github.com/lib/pq v1.7.0 h1:h93mCPfUSkaul3Ka/VG8uZdmW1uMHDGxzu0NWHuJmHY= -github.com/lib/pq v1.7.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= -github.com/lib/pq v1.7.1 h1:FvD5XTVTDt+KON6oIoOmHq6B6HzGuYEhuTMpEG0yuBQ= -github.com/lib/pq v1.7.1/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= github.com/lib/pq v1.8.0 h1:9xohqzkUwzR4Ga4ivdTcawVS89YSDVxXMa3xJX3cGzg= github.com/lib/pq v1.8.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY= @@ -608,8 +602,6 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA= github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg= github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s= github.com/spf13/viper v1.4.0/go.mod h1:PTJ7Z/lr49W6bUbkmS1V3by4uWynFiR9p7+dSq/yZzE= -github.com/spf13/viper v1.7.0 h1:xVKxvI7ouOI5I+U9s2eeiUfMaWBVoXA3AWskkrqK0VM= -github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg= github.com/spf13/viper v1.7.1 h1:pM5oEahlgWv/WnHXpgbKz7iLIxRf65tye2Ci+XFK5sk= github.com/spf13/viper v1.7.1/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= @@ -701,8 +693,6 @@ golang.org/x/crypto v0.0.0-20200117160349-530e935923ad/go.mod h1:LzIPMQfyMNhhGPh golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20200311171314-f7b00557c8c4/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= -golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899 h1:DZhuSZLsGlFL4CmhA8BcRA0mnthyA/nZ00AqCUo7vHg= -golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de h1:ikNHVSjEfnvz6sxdSPCaPt572qowuyMDMJLLm3Db3ig= golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= @@ -711,7 +701,10 @@ golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxT golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek= golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY= golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js= +golang.org/x/image v0.0.0-20190802002840-cff245a6509b h1:+qEpEAPhDZ1o0x3tHzZTQDArnOixOzGD9HUJfcg0mb4= golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= +golang.org/x/image v0.0.0-20200801110659-972c09e46d76 h1:U7GPaoQyQmX+CBRWXKrvRzWTbd+slqeSh8uARsIyhAw= +golang.org/x/image v0.0.0-20200801110659-972c09e46d76/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU= golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= diff --git a/pkg/modules/avatar/initials/initials.go b/pkg/modules/avatar/initials/initials.go index 57bd8917b..acbc046f5 100644 --- a/pkg/modules/avatar/initials/initials.go +++ b/pkg/modules/avatar/initials/initials.go @@ -16,10 +16,108 @@ package initials -import "code.vikunja.io/api/pkg/user" +import ( + "code.vikunja.io/api/pkg/user" + "strings" + + "bytes" + "github.com/golang/freetype/truetype" + "golang.org/x/image/font" + "golang.org/x/image/font/gofont/goregular" + "golang.org/x/image/math/fixed" + "image" + "image/color" + "image/draw" + "image/png" +) type Provider struct { } -func (p *Provider) GetAvatar(u *user.User, size int64) (avatar []byte, mimeType string, err error) { +var ( + avatarBgColors = []*color.RGBA{ + {69, 189, 243, 255}, + {224, 143, 112, 255}, + {77, 182, 172, 255}, + {149, 117, 205, 255}, + {176, 133, 94, 255}, + {240, 98, 146, 255}, + {163, 211, 108, 255}, + {121, 134, 203, 255}, + {241, 185, 29, 255}, + } +) + +const ( + fontSize = 900 + dpi = 72 + defaultSize = 1024 +) + +func drawImage(text rune, bg *color.RGBA) (img *image.RGBA64, err error) { + + // Inspired by https://github.com/holys/initials-avatar + + // Get the font + f, err := truetype.Parse(goregular.TTF) + if err != nil { + return img, err + } + + // Build the image background + img = image.NewRGBA64(image.Rect(0, 0, defaultSize, defaultSize)) + draw.Draw(img, img.Bounds(), &image.Uniform{C: bg}, image.Point{}, draw.Src) + + // Add the text + drawer := &font.Drawer{ + Dst: img, + Src: image.White, + Face: truetype.NewFace(f, &truetype.Options{ + Size: fontSize, + DPI: dpi, + Hinting: font.HintingNone, + }), + } + + // Font Index + fi := f.Index(text) + + // Glyph example: http://www.freetype.org/freetype2/docs/tutorial/metrics.png + var gbuf truetype.GlyphBuf + fsize := fixed.Int26_6(fontSize * dpi * (64.0 / 72.0)) + err = gbuf.Load(f, fsize, fi, font.HintingFull) + if err != nil { + drawer.DrawString("") + return img, err + } + + // Center + dY := (defaultSize - int(gbuf.Bounds.Max.Y-gbuf.Bounds.Min.Y)>>6) / 2 + dX := (defaultSize - int(gbuf.Bounds.Max.X-gbuf.Bounds.Min.X)>>6) / 2 + y := int(gbuf.Bounds.Max.Y>>6) + dY + x := 0 - int(gbuf.Bounds.Min.X>>6) + dX + + drawer.Dot = fixed.Point26_6{ + X: fixed.I(x), + Y: fixed.I(y), + } + drawer.DrawString(string(text)) + + return img, err +} + +func (p *Provider) GetAvatar(u *user.User, size int64) (avatar []byte, mimeType string, err error) { + + firstRune := []rune(strings.ToUpper(u.Username))[0] + bg := avatarBgColors[int(u.ID)%len(avatarBgColors)] // Random color based on the user id + + img, err := drawImage(firstRune, bg) + if err != nil { + return nil, "", err + } + + buf := &bytes.Buffer{} + + err = png.Encode(buf, img) + return buf.Bytes(), "image/png", err }