class Magick::HatchFill
Example fill class. Fills the image with the specified background color, then crosshatches with the specified crosshatch color. @dist is the number of pixels between hatch lines. See Magick::Draw
examples.
Public Class Methods
new(bgcolor, hatchcolor = 'white', dist = 10)
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# File lib/rmagick_internal.rb, line 1892 def initialize(bgcolor, hatchcolor = 'white', dist = 10) @bgcolor = bgcolor @hatchpixel = Pixel.from_color(hatchcolor) @dist = dist end
Public Instance Methods
fill(img)
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# File lib/rmagick_internal.rb, line 1898 def fill(img) # required img.background_color = @bgcolor img.erase! # sets image to background color pixels = Array.new([img.rows, img.columns].max, @hatchpixel) @dist.step((img.columns - 1) / @dist * @dist, @dist) do |x| img.store_pixels(x, 0, 1, img.rows, pixels) end @dist.step((img.rows - 1) / @dist * @dist, @dist) do |y| img.store_pixels(0, y, img.columns, 1, pixels) end end