Class: CooCoo::DataSources::Xournal::Stroke

Inherits:
Object
  • Object
show all
Defined in:
lib/coo-coo/data_sources/xournal/document.rb

Constant Summary collapse

Tools = 
[ 'pen', 'highlighter', 'eraser' ]
DefaultTool = 
Tools.first

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tool = 'pen', color = 'black', samples = nil) ⇒ Stroke

Returns a new instance of Stroke.



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 206

def initialize(tool = 'pen', color = 'black', samples = nil)
  self.tool = tool
  @color = color
  @samples = samples || Array.new
end

Instance Attribute Details

#color ⇒ Object

Returns the value of attribute color.



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 201

def color
  @color
end

#samples ⇒ Object (readonly)

Returns the value of attribute samples.



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 199

def samples
  @samples
end

#tool ⇒ Object

Returns the value of attribute tool.



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 200

def tool
  @tool
end

Instance Method Details

#add_sample(x, y, w = 1) ⇒ Object 



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 217

def add_sample(x, y, w = 1)
  @samples << Sample.new(x, y, w)
  self
end

#delete_sample(sample) ⇒ Object 



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 227

def delete_sample(sample)
  @samples.delete(sample)
  self
end

#delete_sample_at(n) ⇒ Object 



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 222

def delete_sample_at(n)
  @samples.delete_at(n)
  self
end

#each_sample(&block) ⇒ Object 



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 236

def each_sample(&block)
  @samples.each(&block)
end

#minmax ⇒ Object 



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 248

def minmax
  xmin = nil
  xmax = nil
  ymin = nil
  ymax = nil

  xmin, xmax = @samples.collect(&:x).minmax
  ymin, ymax = @samples.collect(&:y).minmax
  
  [ [ xmin, ymin ], [ xmax, ymax ] ]
end

#scale(sx, sy, sw = 1.0) ⇒ Object 



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 244

def scale(sx, sy, sw = 1.0)
  self.class.new(tool, color, samples.collect { |s| s.scale(sx, sy, sw) })
end

#size ⇒ Object 



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 232

def size
  @samples.size
end

#translate(dx, dy) ⇒ Object 



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# File 'lib/coo-coo/data_sources/xournal/document.rb', line 240

def translate(dx, dy)
  self.class.new(tool, color, samples.collect { |s| s.translate(dx, dy) })
end