Canvas

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Object Hierarchy:

Description:

Content:

Properties:

• public int height { get; set; }
  The height of the canvas.
• public int scale_factor { get; set; }
  The scaling factor to be applied to the Cairo surface used for drawing.
• public bool scale_factor_set { get; }
  Whether the scale_factor property is set.
• public int width { get; set; }
  The width of the canvas.

Creation methods:

• public Canvas ()
  Creates a new instance of Canvas.

Methods:

• public int get_scale_factor ()
  Retrieves the scaling factor of this , as set using set_scale_factor.
• public void set_scale_factor (int scale)
  Sets the scaling factor for the Cairo surface used by this.
• public bool set_size (int width, int height)
  Sets the size of the this, and invalidates the content.

Signals:

• public virtual signal bool draw (Context cr, int width, int height)
  The draw signal is emitted each time a canvas is invalidated.

Inherited Members: