tinygraphs is an avatar generator web service. Checkout tinygraphs.com to try it.
Contributors
Blog post:
Building tinygraphs an avatar web service in Go
How to use:
- You can set the HTML source of the image to point directly to tinygraphs.com
<img src="http://tinygraphs.com/squares/helloworld">
- You can save the image and use it directly on your site
- You can
go get
this repo and use it.
just remember to give us credit with a link to tinygraphs.com ;)
Supported routes:
http://tinygraphs.com/squares/anything
http://tinygraphs.com/isogrids/helloworld
http://tinygraphs.com/spaceinvaders/helloworld
http://tinygraphs.com/squares/banner/random?h=50&xs=100
http://tinygraphs.com/squares/banner/random/gradient?theme=frogideas&xs=100
http://tinygraphs.com/isogrids/banner/random?h=50&xt=100
http://tinygraphs.com/isogrids/banner/random/gradient?theme=frogideas&h=50&xt=100
##Lab routes:
http://tinygraphs.com/labs/checkerboard
http://tinygraphs.com/labs/squares/random
http://tinygraphs.com/labs/isogrids/random
http://tinygraphs.com/labs/isogrids/hexa
http://tinygraphs.com/labs/isogrids/hexa16
http://tinygraphs.com/labs/squares/banner/gradient
http://tinygraphs.com/labs/isogrids/banner/gradient
Parameters:
-
size: tinygraphs.com/squares/hello?size=60
-
formats: tinygraphs.com/squares/hello?fmt=svg
The default format is SVG
.
All routes support SVG format, except Square
routes who also support JPEG.
-
background and foreground: tinygraphs.com/squares/hello?bg=ff4008&fg=04d6f2
You can specify the color of the background or foreground by using parameters bg
and fg
and passing an hexadecimal value of the color:
-
theme: tinygraphs.com/labs/squares/random?theme=frogideas
You can specify the theme you want to take into account in the image.
Here is the list of existing themes:
- base
- sugarsweets
- heatwave
- daisygarden
- seascape
- summerwarmth
- bythepool
- duskfalling
- frogideas
- berrypie
-
numcolors: tinygraphs.com/labs/squares/random?theme=summerwarmth&numcolors=4
You can specify the number of colors that you want to render the image.
Default value is 2 and can be extended to 4.
-
inv:
tinygraphs.com/squares/hello?theme=frogideas&numcolors=2&inv=1
You can specify if you want to see the colors inverted.
Default value is false. inv
parameter works with theme colors or default (black and white) colors. The number of colors has to be equal to 2.
-
order:
tinygraphs.com/squares/hello?theme=frogideas&numcolors=4&order=3&order=2&order=1&order=0
You can specify the order in which you want to see the colors by using the order
parameter. Just add the indexes in which you wish to see the colors to the order array (indexes are zero based)
Like so: order=3&order=2&order=1&order=0
-
lines:
tinygraphs.com/isogrids/hello?lines=4
You can specify the number of lines that an isogrid can have using the lines
parameter. Default parameter is 6. Value has to be greater or equal to 4.
tinygraphs.com/isogrids/hello?lines=4&colors=43e0e8&colors=e84b43
You can specify use you own colors by using the colors
parameter and passing hexa colors.
![isogrid with custom colors](http://tinygraphs.com/isogrids/hello?lines=4&size=120&colors=43e0e8&colors=e84b43)
-
random banner parameters:
p
: probability of the main color in the banner. Default value is 0.5
. Values should be between 0
and 1
tinygraphs.com/labs/isogrids/banner/gradient?theme=bythepool&p=0.1
-
isogrid color gradient parameters
You can manipulate the gradient vector using the following parameter.
gx1
: first gradient coordinate along x axis.
gy1
: first gradient coordinate along y axis.
gx2
: second gradient coordinate along x axis.
gy2
: second gradient coordinate along y axis.
tinygraphs.com/labs/isogrids/banner/gradient?theme=bythepool&xt=4&h=120&w=120&gx1=0&gy1=0&gy2=60&gx2=60
Stack
Third parties
Installation
go get github.com/taironas/tinygraphs
cd $GOPATH/src/github.com/taironas/tinygraphs
glide install
go build
export PORT=8080
Run App
> pwd
$GOPATH/src/github.com/taironas/tinygraphs
> tinygraphs
2014/11/19 22:23:57 Listening on 8080
Build
>cd $GOPATH/src/github.com/tinygraphs
>go build
Test locally
option 1:
> tinygraphs
2014/12/07 00:35:02 Listening on 8080
option 2:
If you have heroku install you should be able to run
> heroku local
00:37:38 web.1 | started with pid 5762
00:37:38 web.1 | 2014/12/07 00:37:38 Listening on 8080
option 3:
> go test ./...
Deploy
Easy
Manual
Note: heroku is now configured to build and deploy any git push
to master
. If you still want to manual deploy the app follow the steps below.
Before you start be sure to have the proper rsa key. See Managing Your SSH Keys for more details and that. Also be sure to be logged in with heroku.
> heroku login
Enter your Heroku credentials.
Email: ga@tinygraphs.com
Password:
After that you can deploy as follows:
> git push heroku master
Fetching repository, done.
Counting objects: 5, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 287 bytes | 0 bytes/s, done.
Total 3 (delta 2), reused 0 (delta 0)
-----> Fetching custom git buildpack... done
-----> Go app detected
-----> Using go1.3
-----> Running: go get -tags heroku ./...
-----> Discovering process types
Procfile declares types -> web
-----> Compressing... done, 1.5MB
-----> Launching... done, v6
https://tinygraphs.herokuapp.com/ deployed to Heroku
To git@heroku.com:tinygraphs.git
56a3000..5572085 master -> master