CapThis allows you to give it an image, some text along with various other options and then it overlays that text onto the image, like a caption.
It runs with a HTTP interface, a server is started and image / text data is then sent to allow CapThis to process everything and output the final result.
This project is still in development and while it may work currently, there is still a lot of work to be done that will soon allow you to configure the way it works in a lot more detail.
Using an image of a sunset and a cartoon styled font CapThis generated this:
You will need:
- Git
- Go (versions 1.1 or 1.2)
- Make
- Imagick
Homebrew
$ brew install imagemagickMacPorts
$ sudo port install ImageMagick$ sudo apt-get install libmagickwand-dev$ git clone https://github.com/GroundSix/capthis.git
$ cd capthis
$ make
$ sudo make installYou can start the server like so:
$ capthisBy default CapThis will run on port 8080. You can change this by specifying:
$ capthis 2020At the moment CapThis by default runs on port 8080. Below are the post fields you must populate:
image_name- The full path to the original image you need to processtext- The text you are going to overlay the image withfont- The full path to a ttf font file of your choicefont_size- The font size (int) in pixelsfill_color- The fill colour of your text (e.g. 'black')stroke_color- The stroke color of your text (e.g. 'black')output- The full path of the output (e.g. 'my_image.png')
An example request:
Headers
- URL: http://localhost:8080/
- Accept: /
- Accept-Encoding: gzip, deflate, compress
- Content-Length: 179
- Content-Type: application/x-www-form-urlencoded
Paramaters
- fill_color: black
- font: /path/to/my/font.ttf
- font_size: 32
- image_name: /path/to/my/image.png
- output: /path/to/output.png
- stroke_color: black
- text: Hello, World!
image_name=%2Fpath%2Fto%2Fmy%2Fimage.png&text=Hello%2C+World%21&fill_color=black&font_size=32&font=%2Fpath%2Fto%2Fmy%2Ffont.ttf&output=%2Fpath%2Fto%2Foutput.png&stroke_color=black
$ make test