Class: TianjiQRCodePNG::Image

Inherits:

Object

• Object
• TianjiQRCodePNG::Image

Defined in:

lib/tianji_qrcode_png/image.rb

Constant Summary

BLACK =

::ChunkyPNG::Color::BLACK

WHITE =

::ChunkyPNG::Color::WHITE

TRANSPARENT =

::ChunkyPNG::Color::TRANSPARENT

Instance Method Summary

• #initialize(qr_code) ⇒ Image constructor

  A new instance of Image.

• #render(bg_color, color, border) ⇒ Object

  重写render方法，加入二维码颜色和边框参数.

Constructor Details

#initialize(qr_code) ⇒ Image

# File 'lib/tianji_qrcode_png/image.rb', line 7

def initialize(qr_code)
  @sequence = Sequence.new(qr_code)
end

Instance Method Details

#render(bg_color, color, border) ⇒ Object

重写render方法，加入二维码颜色和边框参数

# File 'lib/tianji_qrcode_png/image.rb', line 12

def render(bg_color, color, border)
  @sequence.border = border.to_i
  png = blank_img(bg_color)
  @sequence.dark_squares_only do |x, y|
    png[y + @sequence.border_width(), x + @sequence.border_width()] = color
  end
  return png
end