class Bollettino::Renderer::Base
Base
renderer
@abstract Subclass and override {.render} to create a renderer
@author Alessandro Desantis <desa.alessandro@gmail.com>
Constants
- FONT_SIZE_NORMAL
- FONT_SIZE_SMALL
- KERNING_BOX
- KERNING_BOX_SMALLER
- KERNING_BOX_SMALLEST
- KERNING_NORMAL
Public Class Methods
render(_image, _model)
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Renders the given model on the image.
@param image [MiniMagick::Image] @param model
@abstract This method must be overridden by the renderers
# File lib/bollettino/renderer/base.rb, line 27 def render(_image, _model) fail NotImplementedError end
Protected Class Methods
write_text(image, coords, text, kerning = KERNING_NORMAL, font_size = FONT_SIZE_NORMAL)
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# File lib/bollettino/renderer/base.rb, line 33 def write_text(image, coords, text, kerning = KERNING_NORMAL, font_size = FONT_SIZE_NORMAL) image.combine_options do |c| c.font 'courier' c.fill 'black' c.pointsize font_size c.gravity 'southwest' c.kerning kerning c.draw %(text #{coords.join(',')} "#{text.to_s.upcase.gsub('"', '\"')}") end end