Module: Asposeimagingjava::DrawingLines

Defined in:
lib/asposeimagingjava/drawing/drawinglines.rb

Instance Method Summary collapse

Instance Method Details

#initialize ⇒ Object 



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# File 'lib/asposeimagingjava/drawing/drawinglines.rb', line 3

def initialize()
    data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/'

    # Create an instance of BmpOptions and set its various properties

    create_options = Rjb::import('com.aspose.imaging.imageoptions.BmpOptions').new
    create_options.setBitsPerPixel(32)

    # Define the source property for the instance of BmpOptions

    create_options.setSource(Rjb::import('com.aspose.imaging.sources.StreamSource').new(Rjb::import('java.io.ByteArrayInputStream').new(Array.new)))

    # Create an instance of Image

    image = Rjb::import('com.aspose.imaging.Image').create(create_options,100,100)

    # Create an instance of Color

    color = Rjb::import('com.aspose.imaging.Color')

    # Create an instance of Pen

    pen = Rjb::import('com.aspose.imaging.Pen')

    # Create and initialize an instance of Graphics class

    graphic = Rjb::import('com.aspose.imaging.Graphics').new(image)

    # Clear the image surface with Yellow color

    graphic.clear(color.getYellow())

    # Draw a dotted line by specifying the Pen object having blue color and co-ordinate Points

    graphic.drawLine(pen.new(color.getBlue()), 9, 9, 90, 90)
    graphic.drawLine(pen.new(color.getBlue()), 9, 90, 90, 9)

    solid_brush = Rjb::import('com.aspose.imaging.brushes.SolidBrush')
    point = Rjb::import('com.aspose.imaging.Point')

    # Draw a continuous line by specifying the Pen object having Solid Brush with red color and two point structures

    graphic.drawLine(pen.new(solid_brush.new(color.getRed())), point.new(9, 9), point.new(9, 90))

    # Draw a continuous line by specifying the Pen object having Solid Brush with aqua color and two point structures

    graphic.drawLine(pen.new(solid_brush.new(color.getAqua())), point.new(9, 90), point.new(90, 90))

    # Draw a continuous line by specifying the Pen object having Solid Brush with black color and two point structures

    graphic.drawLine(pen.new(solid_brush.new(color.getBlack())), point.new(90,90), point.new(90,9))

    # Draw a continuous line by specifying the Pen object having Solid Brush with white color and two point structures

    graphic.drawLine(pen.new(solid_brush.new(color.getWhite())), point.new(90,9), point.new(9,9))

    # Save all changes.

    image.save(data_dir + "DrawLinesExample.bmp")

    puts "Lines have been drawn in image successfully!"
end