Class: DYI::Formatter::EmfFormatter

Inherits:
Base
  • Object
show all
Defined in:
lib/dyi/formatter/emf_formatter.rb

Overview

Since:

  • 0.0.0

Instance Method Summary collapse

Methods inherited from Base

#initialize, #puts, #string, #write_image

Constructor Details

This class inherits a constructor from DYI::Formatter::Base

Instance Method Details

#save(file_name, options = {}) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 31

def save(file_name, options={})
  form = System::Windows::Forms::Form.new
  tmp_g = form.create_graphics
  dc = tmp_g.get_hdc
  stream = System::IO::FileStream.new(file_name, System::IO::FileMode.create)
#        stream = System::IO::MemoryStream.new()
  metafile = System::Drawing::Imaging::Metafile.new(
      stream,
      dc,
      System::Drawing::Rectangle.new(0, 0, @canvas.width.to_f, @canvas.height.to_f),
      System::Drawing::Imaging::MetafileFrameUnit.pixel,
      System::Drawing::Imaging::EmfType.emf_plus_dual)
  tmp_g.release_hdc
  tmp_g.dispose

  graphics = System::Drawing::Graphics.from_image(metafile);

  @canvas.write_as(self, graphics)

#        fs = System::IO::FileStream.new('test.wmf', System::IO::FileMode.create)
#        fs.write(stream.to_array, 0, stream.length)

  graphics.dispose
  metafile.dispose
end

#write_canvas(canvas, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 57

def write_canvas(canvas, graphics)
  canvas.child_elements.each do |element|
    element.write_as(self, graphics)
  end
end

#write_circle(shape, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 75

def write_circle(shape, graphics)
  write_ellipse(shape, graphics)
end

#write_ellipse(shape, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 79

def write_ellipse(shape, graphics)
  set_transform(shape, graphics) {
    painting = shape.painting
    if painting.fill
      graphics.fill_ellipse(painting.cls_brush(shape), shape.left.to_f, shape.top.to_f, shape.width.to_f, shape.height.to_f)
    end
    if painting.stroke && (painting.stroke_width != DYI::Length::ZERO)
      graphics.draw_ellipse(painting.cls_pen, shape.left.to_f, shape.top.to_f, shape.width.to_f, shape.height.to_f)
    end
  }
end

#write_group(shape, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 200

def write_group(shape, graphics)
  set_transform(shape, graphics) {
    shape.child_elements.each do |element|
      element.write_as(self, graphics)
    end
  }
end

#write_line(shape, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 91

def write_line(shape, graphics)
  set_transform(shape, graphics) {
    painting = shape.painting
    if painting.stroke && (painting.stroke_width != DYI::Length::ZERO)
      graphics.draw_line(painting.cls_pen, shape.start_point.to_cls_point, shape.end_point.to_cls_point)
    end
  }
end

#write_path(shape, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 131

def write_path(shape, graphics)
  set_transform(shape, graphics) {
    painting = shape.painting
    path = System::Drawing::Drawing2D::GraphicsPath.new(painting.cls_fill_mode)
    path.start_figure
    shape.compatible_path_data.each do |cmd|
      case cmd
      when Shape::Path::MoveCommand
        # do nothing.
      when Shape::Path::CloseCommand
        path.close_figure
      when Shape::Path::LineCommand
        path.add_line(cmd.preceding_point.x.to_f, cmd.preceding_point.y.to_f,
                      cmd.last_point.x.to_f, cmd.last_point.y.to_f)
      when Shape::Path::CurveCommand
        pre_pt = cmd.preceding_point
        ctrl_pt1 = cmd.relative? ? pre_pt + cmd.control_point1 : cmd.control_point1
        ctrl_pt2 = cmd.relative? ? pre_pt + cmd.control_point2 : cmd.control_point2
        path.add_bezier(pre_pt.x.to_f, pre_pt.y.to_f,
                        ctrl_pt1.x.to_f, ctrl_pt1.y.to_f,
                        ctrl_pt2.x.to_f, ctrl_pt2.y.to_f,
                        cmd.last_point.x.to_f, cmd.last_point.y.to_f)
      else
        raise TypeError, "unknown command: #{cmd.class}"
      end
    end
    if painting.fill
      graphics.fill_path(painting.cls_brush(shape), path)
    end
    if painting.stroke && (painting.stroke_width != DYI::Length::ZERO)
      graphics.draw_path(painting.cls_pen, path)
    end
  }
end

#write_polygon(shape, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 114

def write_polygon(shape, graphics)
  set_transform(shape, graphics) {
    points = System::Array[System::Drawing::PointF].new(shape.points.size)
    shape.points.each_with_index do |point, i|
      points[i] = point.to_cls_point
    end

    painting = shape.painting
    if painting.fill
      graphics.fill_polygon(painting.cls_brush(shape), points, painting.cls_fill_mode)
    end
    if painting.stroke && (painting.stroke_width != DYI::Length::ZERO)
      graphics.draw_polygon(painting.cls_pen, points)
    end
  }
end

#write_polyline(shape, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 100

def write_polyline(shape, graphics)
  set_transform(shape, graphics) {
    points = System::Array[System::Drawing::PointF].new(shape.points.size)
    shape.points.each_with_index do |point, i|
      points[i] = point.to_cls_point
    end

    painting = shape.painting
    if painting.stroke && (painting.stroke_width != DYI::Length::ZERO)
      graphics.draw_lines(painting.cls_pen, points)
    end
  }
end

#write_rectangle(shape, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 63

def write_rectangle(shape, graphics)
  set_transform(shape, graphics) {
    painting = shape.painting
    if painting.fill
      graphics.fill_rectangle(painting.cls_brush(shape), shape.left.to_f, shape.top.to_f, shape.width.to_f, shape.height.to_f)
    end
    if painting.stroke && (painting.stroke_width != DYI::Length::ZERO)
      graphics.draw_rectangle(painting.cls_pen, shape.left.to_f, shape.top.to_f, shape.width.to_f, shape.height.to_f)
    end
  }
end

#write_text(shape, graphics) ⇒ Object

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  • 0.0.0



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# File 'lib/dyi/formatter/emf_formatter.rb', line 166

def write_text(shape, graphics)
  set_transform(shape, graphics) {
#          font = Font.to_cls_font(shape.font)
#          brush = System::Drawing::SolidBrush.new(Color.black.to_cls_color)
    graphics.draw_string(shape.formated_text, shape.font.to_cls_font, shape.painting.cls_brush(shape), shape.point.to_cls_point, shape.string_format)
=begin
  attrs = {:x => shape.point.x, :y => shape.point.y}
  attrs.merge!(common_attributes(shape))
  attrs[:"text-decoration"] = shape.attributes[:text_decoration] if shape.attributes[:text_decoration]
#        attrs[:"alignment-baseline"] = shape.attributes[:alignment_baseline] if shape.attributes[:alignment_baseline]
  case shape.attributes[:alignment_baseline]
    when 'top' then attrs[:y] += shape.font_height * 0.85
    when 'middle' then attrs[:y] += shape.font_height * 0.35
    when 'bottom' then attrs[:y] -= shape.font_height * 0.15
  end
  attrs[:"text-anchor"] = shape.attributes[:text_anchor] if shape.attributes[:text_anchor]
  attrs[:"writing-mode"] = shape.attributes[:writing_mode] if shape.attributes[:writing_mode]
  attrs[:textLength] = shape.attributes[:textLength] if shape.attributes[:textLength]
  attrs[:lengthAdjust] = shape.attributes[:lengthAdjust] if shape.attributes[:lengthAdjust]
  text = shape.formated_text
  if text =~ /(\r\n|\n|\r)/
    create_node(io, 'text', attrs) {
      create_leaf_node(io, 'tspan', $`.strip, :x => shape.point.x)
      $'.each_line do |line|
        create_leaf_node(io, 'tspan', line.strip, :x => shape.point.x, :dy => shape.dy)
      end
    }
  else
    create_leaf_node(io, 'text', text, attrs)
  end
=end

  }
end