Add drawing initials avatar
This commit is contained in:
parent
d543762883
commit
6aa69372a2
GPG Key ID:
F40E70337AB24C9B
2
go.mod
2
go.mod
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@ -34,6 +34,7 @@ require (
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github.com/go-redis/redis/v7 v7.4.0
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github.com/go-sql-driver/mysql v1.5.0
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github.com/go-testfixtures/testfixtures/v3 v3.3.0
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github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
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github.com/gordonklaus/ineffassign v0.0.0-20200309095847-7953dde2c7bf
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github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334
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github.com/imdario/mergo v0.3.10
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@ -64,6 +65,7 @@ require (
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github.com/swaggo/swag v1.6.7
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github.com/ulule/limiter/v3 v3.5.0
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golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de
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golang.org/x/image v0.0.0-20200801110659-972c09e46d76
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golang.org/x/lint v0.0.0-20200302205851-738671d3881b
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golang.org/x/net v0.0.0-20200602114024-627f9648deb9 // indirect
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golang.org/x/text v0.3.3 // indirect
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17
go.sum
17
go.sum
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@ -137,8 +137,6 @@ github.com/fzipp/gocyclo v0.0.0-20150627053110-6acd4345c835/go.mod h1:BjL/N0+C+j
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github.com/garyburd/redigo v1.6.0 h1:0VruCpn7yAIIu7pWVClQC8wxCJEcG3nyzpMSHKi1PQc=
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github.com/garyburd/redigo v1.6.0/go.mod h1:NR3MbYisc3/PwhQ00EMzDiPmrwpPxAn5GI05/YaO1SY=
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github.com/gavv/httpexpect v2.0.0+incompatible/go.mod h1:x+9tiU1YnrOvnB725RkpoLv1M62hOWzwo5OXotisrKc=
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github.com/getsentry/sentry-go v0.6.1 h1:K84dY1/57OtWhdyr5lbU78Q/+qgzkEyGc/ud+Sipi5k=
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github.com/getsentry/sentry-go v0.6.1/go.mod h1:0yZBuzSvbZwBnvaF9VwZIMen3kXscY8/uasKtAX1qG8=
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github.com/getsentry/sentry-go v0.7.0 h1:MR2yfR4vFfv/2+iBuSnkdQwVg7N9cJzihZ6KJu7srwQ=
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github.com/getsentry/sentry-go v0.7.0/go.mod h1:pLFpD2Y5RHIKF9Bw3KH6/68DeN2K/XBJd8awjdPnUwg=
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github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
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@ -205,6 +203,8 @@ github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
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github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
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github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe h1:lXe2qZdvpiX5WZkZR4hgp4KJVfY3nMkvmwbVkpv1rVY=
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github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
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github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
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github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
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github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
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github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
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@ -284,8 +284,6 @@ github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2p
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github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
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github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 h1:VHgatEHNcBFEB7inlalqfNqw65aNkM1lGX2yt3NmbS8=
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github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334/go.mod h1:SK73tn/9oHe+/Y0h39VT4UCxmurVJkR5NA7kMEAOgSE=
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github.com/imdario/mergo v0.3.9 h1:UauaLniWCFHWd+Jp9oCEkTBj8VO/9DKg3PV3VCNMDIg=
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github.com/imdario/mergo v0.3.9/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
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github.com/imdario/mergo v0.3.10 h1:6q5mVkdH/vYmqngx7kZQTjJ5HRsx+ImorDIEQ+beJgc=
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github.com/imdario/mergo v0.3.10/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
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github.com/imkira/go-interpol v1.1.0/go.mod h1:z0h2/2T3XF8kyEPpRgJ3kmNv+C43p+I/CoI+jC3w2iA=
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@ -417,10 +415,6 @@ github.com/lib/pq v1.3.0 h1:/qkRGz8zljWiDcFvgpwUpwIAPu3r07TDvs3Rws+o/pU=
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github.com/lib/pq v1.3.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
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github.com/lib/pq v1.6.0 h1:I5DPxhYJChW9KYc66se+oKFFQX6VuQrKiprsX6ivRZc=
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github.com/lib/pq v1.6.0/go.mod h1:4vXEAYvW1fRQ2/FhZ78H73A60MHw1geSm145z2mdY1g=
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github.com/lib/pq v1.7.0 h1:h93mCPfUSkaul3Ka/VG8uZdmW1uMHDGxzu0NWHuJmHY=
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github.com/lib/pq v1.7.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
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github.com/lib/pq v1.7.1 h1:FvD5XTVTDt+KON6oIoOmHq6B6HzGuYEhuTMpEG0yuBQ=
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github.com/lib/pq v1.7.1/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
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github.com/lib/pq v1.8.0 h1:9xohqzkUwzR4Ga4ivdTcawVS89YSDVxXMa3xJX3cGzg=
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github.com/lib/pq v1.8.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
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github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY=
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@ -608,8 +602,6 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
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github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
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github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
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github.com/spf13/viper v1.4.0/go.mod h1:PTJ7Z/lr49W6bUbkmS1V3by4uWynFiR9p7+dSq/yZzE=
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github.com/spf13/viper v1.7.0 h1:xVKxvI7ouOI5I+U9s2eeiUfMaWBVoXA3AWskkrqK0VM=
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github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
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github.com/spf13/viper v1.7.1 h1:pM5oEahlgWv/WnHXpgbKz7iLIxRf65tye2Ci+XFK5sk=
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github.com/spf13/viper v1.7.1/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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@ -701,8 +693,6 @@ golang.org/x/crypto v0.0.0-20200117160349-530e935923ad/go.mod h1:LzIPMQfyMNhhGPh
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golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20200311171314-f7b00557c8c4/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899 h1:DZhuSZLsGlFL4CmhA8BcRA0mnthyA/nZ00AqCUo7vHg=
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golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de h1:ikNHVSjEfnvz6sxdSPCaPt572qowuyMDMJLLm3Db3ig=
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golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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@ -711,7 +701,10 @@ golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxT
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golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
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golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
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golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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golang.org/x/image v0.0.0-20190802002840-cff245a6509b h1:+qEpEAPhDZ1o0x3tHzZTQDArnOixOzGD9HUJfcg0mb4=
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golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
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golang.org/x/image v0.0.0-20200801110659-972c09e46d76 h1:U7GPaoQyQmX+CBRWXKrvRzWTbd+slqeSh8uARsIyhAw=
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golang.org/x/image v0.0.0-20200801110659-972c09e46d76/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
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golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
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golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
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golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
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@ -16,10 +16,108 @@
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package initials
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import "code.vikunja.io/api/pkg/user"
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import (
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"code.vikunja.io/api/pkg/user"
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"strings"
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"bytes"
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"github.com/golang/freetype/truetype"
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"golang.org/x/image/font"
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"golang.org/x/image/font/gofont/goregular"
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"golang.org/x/image/math/fixed"
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"image"
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"image/color"
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"image/draw"
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"image/png"
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)
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type Provider struct {
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}
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func (p *Provider) GetAvatar(u *user.User, size int64) (avatar []byte, mimeType string, err error) {
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var (
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avatarBgColors = []*color.RGBA{
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{69, 189, 243, 255},
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{224, 143, 112, 255},
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{77, 182, 172, 255},
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{149, 117, 205, 255},
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{176, 133, 94, 255},
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{240, 98, 146, 255},
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{163, 211, 108, 255},
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{121, 134, 203, 255},
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{241, 185, 29, 255},
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}
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)
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const (
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fontSize = 900
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dpi = 72
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defaultSize = 1024
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)
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func drawImage(text rune, bg *color.RGBA) (img *image.RGBA64, err error) {
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// Inspired by https://github.com/holys/initials-avatar
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// Get the font
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f, err := truetype.Parse(goregular.TTF)
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if err != nil {
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return img, err
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}
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// Build the image background
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img = image.NewRGBA64(image.Rect(0, 0, defaultSize, defaultSize))
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draw.Draw(img, img.Bounds(), &image.Uniform{C: bg}, image.Point{}, draw.Src)
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// Add the text
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drawer := &font.Drawer{
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Dst: img,
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Src: image.White,
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Face: truetype.NewFace(f, &truetype.Options{
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Size: fontSize,
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DPI: dpi,
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Hinting: font.HintingNone,
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}),
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}
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// Font Index
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fi := f.Index(text)
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// Glyph example: http://www.freetype.org/freetype2/docs/tutorial/metrics.png
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var gbuf truetype.GlyphBuf
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fsize := fixed.Int26_6(fontSize * dpi * (64.0 / 72.0))
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err = gbuf.Load(f, fsize, fi, font.HintingFull)
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if err != nil {
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drawer.DrawString("")
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return img, err
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}
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// Center
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dY := (defaultSize - int(gbuf.Bounds.Max.Y-gbuf.Bounds.Min.Y)>>6) / 2
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dX := (defaultSize - int(gbuf.Bounds.Max.X-gbuf.Bounds.Min.X)>>6) / 2
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y := int(gbuf.Bounds.Max.Y>>6) + dY
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x := 0 - int(gbuf.Bounds.Min.X>>6) + dX
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drawer.Dot = fixed.Point26_6{
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X: fixed.I(x),
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Y: fixed.I(y),
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}
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drawer.DrawString(string(text))
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return img, err
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}
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func (p *Provider) GetAvatar(u *user.User, size int64) (avatar []byte, mimeType string, err error) {
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firstRune := []rune(strings.ToUpper(u.Username))[0]
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bg := avatarBgColors[int(u.ID)%len(avatarBgColors)] // Random color based on the user id
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img, err := drawImage(firstRune, bg)
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if err != nil {
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return nil, "", err
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}
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buf := &bytes.Buffer{}
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err = png.Encode(buf, img)
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return buf.Bytes(), "image/png", err
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}
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