Difference between revisions of "Ruby"
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| + | == Ruby Toolbox == | ||
| + | |||
| + | * ankane/blazer | ||
| + | ** "Explore your data with SQL" - a mounted visualization engine? | ||
| + | ** Version 3.0.2 still has mongodb support | ||
| + | |||
| + | * https://chartkick.com/ | ||
| + | ** ruby one-liner charts | ||
| + | |||
| + | * ankane/ahoy | ||
| + | * ankane/ahoy_email | ||
== Install ruby on ubuntu 20 == | == Install ruby on ubuntu 20 == | ||
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type rbenv | type rbenv | ||
| + | |||
| + | == How to render text on image with RMagick and Word wrap? == | ||
| + | From: https://stackoverflow.com/questions/11788216/how-to-render-text-on-image-with-rmagick-and-word-wrap | ||
| + | |||
| + | <pre> | ||
| + | phrase = "my super long text that needs to be auto line breaked and cropped" | ||
| + | background = Magick::Image.read('my_bg_img.jpg').first | ||
| + | image = Magick::Image.read("caption:#{phrase}") do | ||
| + | self.size = '800x600' #Text box size | ||
| + | self.background_color = 'none' #transparent | ||
| + | self.pointsize = 22 # font size | ||
| + | self.font = 'Helvetica' #font family | ||
| + | self.fill = 'gray' #font color | ||
| + | self.gravity = Magick::CenterGravity #Text orientation | ||
| + | end.first | ||
| + | background.composite!(image, Magick::NorthEastGravity, 20, 40, Magick::OverCompositeOp) | ||
| + | background.format = "jpeg" | ||
| + | return background.to_blob | ||
| + | </pre> | ||
Latest revision as of 16:40, 15 May 2024
Ruby Toolbox
- ankane/blazer
- "Explore your data with SQL" - a mounted visualization engine?
- Version 3.0.2 still has mongodb support
- https://chartkick.com/
- ruby one-liner charts
- ankane/ahoy
- ankane/ahoy_email
Install ruby on ubuntu 20
sudo apt update sudo apt install git curl libssl-dev libreadline-dev zlib1g-dev autoconf bison build-essential libyaml-dev libreadline-dev libncurses5-dev libffi-dev libgdbm-dev curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer | bash echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc echo 'eval "$(rbenv init -)"' >> ~/.bashrc
Test:
type rbenv
How to render text on image with RMagick and Word wrap?
From: https://stackoverflow.com/questions/11788216/how-to-render-text-on-image-with-rmagick-and-word-wrap
phrase = "my super long text that needs to be auto line breaked and cropped"
background = Magick::Image.read('my_bg_img.jpg').first
image = Magick::Image.read("caption:#{phrase}") do
self.size = '800x600' #Text box size
self.background_color = 'none' #transparent
self.pointsize = 22 # font size
self.font = 'Helvetica' #font family
self.fill = 'gray' #font color
self.gravity = Magick::CenterGravity #Text orientation
end.first
background.composite!(image, Magick::NorthEastGravity, 20, 40, Magick::OverCompositeOp)
background.format = "jpeg"
return background.to_blob
