* Return the direction on the right side of this (i.e. turns right by 45 or 90 deg). */

* Function GetUnitScale * return the scaling factor to convert users units * to normalized units (meter) */

Return mouse cursor position in world coordinates.

! Set the current pen lineThickness used for subsequent drawing operations @param lineThickness: the new line thickness to se

* @param aPriority is the priority level. */

* @return the #WX_INFOBAR that can be displayed on the top of the canvas. */

* Layer classification: check if it's a back layer. */

* Clear the buffer and empties the internal string. */