Welcome
Blitline lets you run massively parallel automated image processing jobs in the cloud. GETTING STARTED First you must log into Blitline and get a FREE developer account. When you register, you will...
Getting Started
Blitline Job
A Blitline job is an atomic unit of work on Blitline. The only thing you can submit to Blitline is jobs . Jobs consist of a chunk of JSON defining some operations you wish to perform. A job consist...
Job Response
RESPONSE When you submit a job to Blitline you will get a JSON response. If successful the response code will be 200 and you will receive json back, indicating that the job has been accepted, a job...
Job Options
Aside from the standard 4 items in a job ( application_id , src , v , functions ) there are many other options available. We will outline some of the most useful ones below: COMMON postback_url (st...
Functions
Functions are the operations that can be performed on images. You can have 1 or more functions, and you can pipeline functions so that the output of 1 function is the input to the next function. A ...
Polling and Postbacks
Blitline runs your jobs asynchronously, which means that after you submit your job, there will be a variable amount to time before your job has completed. There are 2 ways for you to know that your...
Gotchas
GOTCHAS Things you might not expect as default behaviors when using Blitline, so please keep the following in mind: Files with a rotation flag set will automatically be rotated into the proper orie...
Development Recommendations
BUILDING JSON The first task you will need to accomplish is to build the JSON necessary to submit jobs to Blitline. We recommend building the raw JSON by hand. It’s easier to understand the jobs an...
Service Limits
BLITLINE SERVICE LIMITS While we strive to serve all image processing needs, we need to set certain limits to make sure a small subset of users affect the larger subset. We have limits in place to ...
Examples List
BLITLINE EXAMPLE JOBS Simple Thumbnail Example: This is the canonical use of Blitline. Taking an online image and thumbnailing to a smaller size. File Extension Override: If you are unhappy with th...
List of Available Functions
Below is a list of all the available Blitline functions. ANNOTATE Adds text to an image Sample: { "name":"annotate", "params":{ "text":"my_text", "color":"#ffffff" } } Required: text : Text to be p...
