RMagick doesn't support smush to align horizontal images at the bottom but MiniMagick does; you need gravity set to `south` to anchor images to the bottom ie. `south`

• From Mastodon: Today I Learned, RMagick doesn’t support smush (imagemagick docs for smush, RMagick docs for montage don’t mention smush) to align horizontal images at the bottom but MiniMagick does! Stack Overflow:imagemagick montage - how to align images to bottom
• The othe important thing to note is you need to set gravity to south to anchor the images at the bottom instead of at the top.

Code

From: create-emoji-question-graphics.rb

require 'mini_magick'
def montage_images_horizontally(image_to_be_appended, image)
  MiniMagick::Tool::Magick.new do |m|
    m.gravity('south')
    m << image
    m << image_to_be_appended
    m.smush.+(10)
    m << image
  end
end

Previously

• February 17, 2023: How To label an image with an emoji using ruby rmagick with imagemagick? A: Use an XML entity escape e.g. &x1234; with the pango text renderer

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