https://github.com/nuex/erl_gm
An Erlang GraphicsMagick wrapper
https://github.com/nuex/erl_gm
elixir erlang graphicsmagick
Last synced: 5 days ago
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An Erlang GraphicsMagick wrapper
- Host: GitHub
- URL: https://github.com/nuex/erl_gm
- Owner: nuex
- License: mit
- Created: 2011-09-30T23:16:19.000Z (over 14 years ago)
- Default Branch: master
- Last Pushed: 2020-12-03T20:36:24.000Z (about 5 years ago)
- Last Synced: 2023-04-13T08:18:54.844Z (almost 3 years ago)
- Topics: elixir, erlang, graphicsmagick
- Language: Erlang
- Homepage:
- Size: 119 KB
- Stars: 28
- Watchers: 3
- Forks: 26
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# erl_gm
An Erlang GraphicsMagick wrapper
## USAGE
```
% Crop image into 100x100 tiles
gm:convert("/some/image.jpg", "tile", [{crop, 100, 100}]).
% Get multiple identify properties (returns a list of key value pairs
% to be parsed by proplist:get_value
gm:identify_explicit("/some/image.jpg", [width, height, filename, type]).
% Crazytown
gm:convert("/some/image.jpg", "/something/crazy.jpg", [
flip,
magnify,
{rotate, 45},
{blur, 7, 3},
{crop, 300, 300, 150, 130},
{edge, 3}
]).
% Resize
gm:convert("/some/image.jpg", "/something/resized.jpg", [{resize, 240, 240}]).
```
## ELIXIR INSTALLATION
Add erl_gm to your `mix.exs` dependencies:
```elixir
def deps do
[{:gm, git: "https://github.com/nuex/erl_gm"}]
end
```
List the `:gm` application as your application dependency (from Elixir version 1.4.0 may not be necessary)
```elixir
def application do
[applications: [:gm]]
end
```
## ELIXIR USAGE
```elixir
iex> :gm.convert('/some/image.jpg', '/some/cropped.jpg', [{:crop, 100, 100}])
```
## AVAILABLE GM FUNCTIONS
```
gm:composite
gm:convert
gm:identify
gm:mogrify
gm:montage
gm:version
```
## AVAILABLE GM OPTIONS
```
-adjoin
-background
-blur
-create_directories
-crop
-define
-dissolve
-draw
-edge
-extent
-flatten
-fill
-flip
-format
-geometry
-gravity
-interlace
-magnify
+matte
-matte
-negate
-opaque
-output_directory
-quality
-resize
-rotate
-size
-transparent
-thumbnail
-type
-watermark
```
## AVAILABLE SHORTCUTS
```
gm:identify_explicit
```
## EXTENDING
New options can be added to `gm_options.erl` to broaden option support. Just open a pull request and I'll merge in additions.
## LICENSE
MIT