Method: Blufin::Image.add_text

Defined in:
lib/core/image.rb

.add_text(src, target, text, x = 35, y = 60, bg = 'black', fg = 'white', point_size = 22, stroke_width = 1) ⇒ Object

Adds text/caption to image.

Returns:

  • void

Raises:

  • (RuntimeError) 


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# File 'lib/core/image.rb', line 85

def self.add_text(src, target, text, x = 35, y = 60, bg = 'black', fg = 'white', point_size = 22, stroke_width = 1)
    raise RuntimeError, "File not found: #{src}" unless Blufin::Files::file_exists(src)
    raise RuntimeError, "Expected integer (for x), instead got: #{x}" unless x.to_s =~ /^\d+$/
    raise RuntimeError, "Expected integer (for y), instead got: #{y}" unless y.to_s =~ /^\d+$/
    raise RuntimeError, "Expected integer (for point_size), instead got: #{point_size}" unless point_size.to_s =~ /^\d+$/
    raise RuntimeError, "Expected integer (for stroke_width), instead got: #{stroke_width}" unless stroke_width.to_s =~ /^\d+$/
    Blufin::Terminal::execute("convert #{src} -undercolor #{bg} -stroke #{fg} -pointsize #{point_size} -strokewidth #{stroke_width} -draw \"text #{x},#{y} '#{text}'\" #{target}")
end