Class: Quilt::ImageGD

Inherits:
Object
  • Object
show all
Defined in:
lib/quilt.rb

Instance Method Summary collapse

Constructor Details

#initialize(width, height) ⇒ ImageGD

Returns a new instance of ImageGD.



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# File 'lib/quilt.rb', line 57

def initialize width, height
  require 'GD'
  @image = GD::Image.new width, height
end

Instance Method Details

#color(r, g, b) ⇒ Object 



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# File 'lib/quilt.rb', line 62

def color r, g, b
  @image.colorAllocate r, g, b
end

#fill_rect(x, y, _x, _y, color) ⇒ Object 



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# File 'lib/quilt.rb', line 70

def fill_rect x, y, _x, _y, color
  @image.filledRectangle x, y, _x, _y, color
end

#polygon(points, color) ⇒ Object 



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# File 'lib/quilt.rb', line 74

def polygon points, color
  poly = GD::Polygon.new
  points.each do |i|
    poly.addPt i[0], i[1]
  end
  @image.filledPolygon poly, color
end

#resize(size) ⇒ Object 



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# File 'lib/quilt.rb', line 92

def resize size
  _image = GD::Image.new size, size
  # FIXME bug
  @image.copyResized _image, 0, 0, 0, 0, size, size, @image.width, @image.height
  @image = _image
end

#to_blob ⇒ Object 



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# File 'lib/quilt.rb', line 88

def to_blob
  @image.pngStr
end

#transparent(color) ⇒ Object 



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# File 'lib/quilt.rb', line 66

def transparent color
  @image.transparent color
end

#write(path) ⇒ Object 



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# File 'lib/quilt.rb', line 82

def write path
  File.open(path, 'w') do |f|
    @image.png f
  end
end