Class: Snapshot::ScreenshotFlatten

Inherits:
Object
  • Object
show all
Defined in:
lib/snapshot/screenshot_flatten.rb

Overview

This class takes care of removing the alpha channel of the generated screenshots

Instance Method Summary collapse

Instance Method Details

#flatten(path) ⇒ Object 



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# File 'lib/snapshot/screenshot_flatten.rb', line 16

def flatten(path)
  Dir.glob([path, '/**/*.png'].join('/')).each do |file|
    Helper.log.info "Removing alpha channel from '#{file}'"
    `convert -flatten '#{file}' -alpha off -alpha remove '#{file}'`
  end
  Helper.log.info "Finished removing the alpha channel."
end

#image_magick_installed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/snapshot/screenshot_flatten.rb', line 24

def image_magick_installed?
  `which convert`.length > 1
end

#run(path) ⇒ Object

Parameters:

  • The (String) —

    path in which the screenshots are located in



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# File 'lib/snapshot/screenshot_flatten.rb', line 5

def run(path)
  Helper.log.info "Going to remove the alpha channel from generated png files"
  if image_magick_installed?
    flatten(path)
  else
    Helper.log.info "Could not remove transparency of generated screenhots.".yellow
    Helper.log.info "This will cause problems when trying to manually upload them to iTC.".yellow
    Helper.log.info "You can install 'imagemagick' using 'brew install imagemagick' to enable this feature.".yellow
  end
end