Class Magick::HatchFill
In: lib/RMagick.rb
Parent: Object
Enum GeometryValue Stylable RVG\n[lib/rvg/clippath.rb\nlib/rvg/container.rb\nlib/rvg/deep_equal.rb\nlib/rvg/describable.rb\nlib/rvg/embellishable.rb\nlib/rvg/misc.rb\nlib/rvg/paint.rb\nlib/rvg/pathdata.rb\nlib/rvg/rvg.rb\nlib/rvg/stretchable.rb\nlib/rvg/stylable.rb\nlib/rvg/text.rb\nlib/rvg/transformable.rb\nlib/rvg/units.rb] Transformable Stretchable Embellishable Describable Duplicatable Comparable Image ImageList Enumerable Geometry HatchFill Draw lib/RMagick.rb lib/rvg/rvg.rb ObjectData Application Pre_ObjectData_Descriptor Envelope Post_ObjectData_Descriptor IPTC Magick dot/m_14_0.png

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.

Methods

fill   new  

Public Class methods

new(bgcolor, hatchcolor="white", dist=10)

[Source]

      # File lib/RMagick.rb, line 1844
1844:    def initialize(bgcolor, hatchcolor="white", dist=10)
1845:       @bgcolor = bgcolor
1846:       @hatchpixel = Pixel.from_color(hatchcolor)
1847:       @dist = dist
1848:    end

Public Instance methods

fill(img)

[Source]

      # File lib/RMagick.rb, line 1850
1850:    def fill(img)                # required
1851:       img.background_color = @bgcolor
1852:       img.erase!                # sets image to background color
1853:       pixels = Array.new([img.rows, img.columns].max, @hatchpixel)
1854:       @dist.step((img.columns-1)/@dist*@dist, @dist) { |x|
1855:          img.store_pixels(x,0,1,img.rows,pixels)
1856:       }
1857:       @dist.step((img.rows-1)/@dist*@dist, @dist) { |y|
1858:          img.store_pixels(0,y,img.columns,1,pixels)
1859:       }
1860:    end

[Validate]