To add an arrow, click the Add Arrow icon, place the element holding down the left mouse button and drag a line to draw the arrow on the Print Composer canvas and position and customize the appearance in the scale bar Item Properties tab.
When you also hold down the Shift key while placing the arrow, it is placed in an angle of exactly 45° .
The arrow item can be used to add a line or a simple arrow that can be used, for example, to show the relation between other print composer items. To create a north arrow, the image item should be considered first. QGIS has a set of North arrows in SVG format. Furthermore you can connect an image item with a map so it can rotate automatically with the map (see The Image Item).
Figure Composer Arrow:
The Arrow item properties tab allows you to configure an arrow item.
The [Line style ...] button can be used to set the line style using the line style symbol editor.
In Arrows markers you can select one of three radio buttons.
For Default Arrow marker you can use following options to style the arrow head.
For SVG Marker you can use following options.
SVG images are automatically rotated with the line. The color of the SVG image can not be changed.