Class: HexaPDF::Layout::Frame::FitResult

Inherits:
Object
  • Object
show all
Defined in:
lib/hexapdf/layout/frame.rb

Overview

Stores the result of fitting a box in a Frame.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(box) ⇒ FitResult

Initialize the result object for the given box.



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# File 'lib/hexapdf/layout/frame.rb', line 114

def initialize(box)
  @box = box
  @available_width = 0
  @available_height = 0
  @success = false
end

Instance Attribute Details

#available_height ⇒ Object

The available height in the frame for this particular box.



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# File 'lib/hexapdf/layout/frame.rb', line 107

def available_height
  @available_height
end

#available_width ⇒ Object

The available width in the frame for this particular box.



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# File 'lib/hexapdf/layout/frame.rb', line 104

def available_width
  @available_width
end

#box ⇒ Object

The box that was fitted into the frame.



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# File 'lib/hexapdf/layout/frame.rb', line 95

def box
  @box
end

#mask ⇒ Object

The rectangle (a Geom2D::Rectangle object) that will be removed from the frame when drawing the box.



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# File 'lib/hexapdf/layout/frame.rb', line 111

def mask
  @mask
end

#x ⇒ Object

The horizontal position where the box will be drawn.



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# File 'lib/hexapdf/layout/frame.rb', line 98

def x
  @x
end

#y ⇒ Object

The vertical position where the box will be drawn.



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# File 'lib/hexapdf/layout/frame.rb', line 101

def y
  @y
end

Instance Method Details

#draw(canvas) ⇒ Object

Draws the #box onto the canvas at (#x, #y).

The configuration option “debug” can be used to add visual debug output with respect to box placement.



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# File 'lib/hexapdf/layout/frame.rb', line 135

def draw(canvas)
  doc = canvas.context.document
  if doc.config['debug']
    name = "#{box.class} (#{x.to_i},#{y.to_i}-#{box.width.to_i}x#{box.height.to_i})"
    ocg = doc.optional_content.ocg(name)
    canvas.optional_content(ocg) do
      canvas.save_graphics_state do
        canvas.fill_color("green").stroke_color("darkgreen").
          opacity(fill_alpha: 0.1, stroke_alpha: 0.2).
          draw(:geom2d, object: mask, path_only: true).fill_stroke
      end
    end
    doc.optional_content.default_configuration.add_ocg_to_ui(ocg, path: 'Debug')
  end
  box.draw(canvas, x, y)
end

#success! ⇒ Object

Marks the fitting status as success.



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# File 'lib/hexapdf/layout/frame.rb', line 122

def success!
  @success = true
end

#success? ⇒ Boolean

Returns true if fitting was successful.

Returns:

  • (Boolean) 


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# File 'lib/hexapdf/layout/frame.rb', line 127

def success?
  @success
end