Sha256: 0b19b2b24a1714f2ee86259445820502b4ef01a358eeee7e962fbfbdf8a4c899
Contents?: true
Size: 1.46 KB
Versions: 33
Compression:
Stored size: 1.46 KB
Contents
---
layout: page
title: "File Chooser"
permalink: /classes/chooser/
---
A native file chooser for propane, bases around vanilla processing `selectInput`.
### Usage ###
First load the `chooser` library, this creates the interface:-
`public void file_selected(java.io.File selected);`
which you need to define in your sketch, to make use the `selected` file. This sketch makes use of the propane method `resizable` (vanilla processing `surface.setResizable(true)`) so that we can change sketch size to match our `image`. Note we need to guard against `img` being `nil` or sketch will crash. You may change the the prompt `select an image` in `select_input` but you cannot change `file_selected` which is hard-wired to cope with java reflection.
### example sketch ###
```ruby
load_library :chooser
attr_reader :img
def settings
size(400, 200)
end
def setup
sketch_title 'Chooser'
resizable
fill 0, 0, 200
text('Click Window to Load Image', 10, 100)
end
def draw
image(img, 0, 0) unless img.nil?
end
def file_selected(selection)
if selection.nil?
puts 'Nothing Chosen'
else
@img = load_image(selection.get_absolute_path)
surface.set_size(img.width, img.height)
end
end
def mouse_clicked
@img = nil
# java_signature 'void selectInput(String, String)'
select_input('select an image', 'file_selected')
end
```
See more [examples here][examples]
[examples]:https://github.com/ruby-processing/picrate-examples/tree/processing_app/library/file_chooser
Version data entries
33 entries across 33 versions & 1 rubygems