class Faker::Placeholdit
Constants
- SUPPORTED_FORMATS
Public Class Methods
image(size: '300x300', format: 'png', background_color: nil, text_color: nil, text: nil)
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Produces a random placeholder image from via.placeholder.com.
@param size [String] Specifies the image’s size, dimensions separated by ‘x’. @param format [String] Specifies the image’s extension. @param background_color [String, Symbol] Specifies the background color, either in hexadecimal format (without #) or as :random. @param text_color [String, Symbol] Specifies the text color, either in hexadecimal format (without #) or as :random. @param text [String] Specifies a custom text to be used. @return [String]
@example
# Keyword arguments: size, format, background_color, text_color, text Faker::Placeholdit.image #=> "https://via.placeholder.com/300x300.png" Faker::Placeholdit.image(size: '50x50') #=> "https://via.placeholder.com/50x50.png" Faker::Placeholdit.image(size: '50x50', format: 'jpg') #=> "https://via.placeholder.com/50x50.jpg" Faker::Placeholdit.image(size: '50x50', format: 'gif', background_color: 'ffffff') #=> "https://via.placeholder.com/50x50.gif/ffffff" Faker::Placeholdit.image(size: '50x50', format: 'jpeg', background_color: :random) #=> "https://via.placeholder.com/50x50.jpeg/39eba7" Faker::Placeholdit.image(size: '50x50', format: 'jpeg', background_color: 'ffffff', text_color: '000') #=> "https://via.placeholder.com/50x50.jpeg/ffffff/000" Faker::Placeholdit.image(size: '50x50', format: 'jpg', background_color: 'ffffff', text_color: '000', text: 'Some Custom Text') #=> "https://via.placeholder.com/50x50.jpg/ffffff/000?text=Some Custom Text"
@faker.version 1.6.0
# File lib/faker/default/placeholdit.rb, line 29 def image(size: '300x300', format: 'png', background_color: nil, text_color: nil, text: nil) background_color = generate_color if background_color == :random text_color = generate_color if text_color == :random raise ArgumentError, 'Size should be specified in format 300x300' unless size =~ /^[0-9]+x[0-9]+$/ raise ArgumentError, "Supported formats are #{SUPPORTED_FORMATS.join(', ')}" unless SUPPORTED_FORMATS.include?(format) raise ArgumentError, "background_color must be a hex value without '#'" unless background_color.nil? || background_color =~ /((?:^\h{3}$)|(?:^\h{6}$)){1}(?!.*\H)/ raise ArgumentError, "text_color must be a hex value without '#'" unless text_color.nil? || text_color =~ /((?:^\h{3}$)|(?:^\h{6}$)){1}(?!.*\H)/ image_url = "https://via.placeholder.com/#{size}.#{format}" image_url += "/#{background_color}" if background_color image_url += "/#{text_color}" if text_color image_url += "?text=#{text}" if text image_url end
Private Class Methods
generate_color()
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# File lib/faker/default/placeholdit.rb, line 47 def generate_color format('%06x', (rand * 0xffffff)) end