When a nub is moved, the curve will be redrawn so that it always goes through the center of each Control Nub. This means the line will always continue through each of the Control Nubs, even if the nubs are relocated or dragged off canvas. If the middle icon (Spline) is selected, the line will be curved using cubic spline interpolation. If the Left icon (Straight) is used, the line will always display straight line segments between the control nubs. There are three icons in the Tool Bar for changing between Straight, Cubic Spline and Bézier curves. Click outside of the bounding box of the current Line/Curve.Committing a Line/Curve to the canvasĬommit a Line/Curve to the active layer and exit editing mode using any one of these methods… The keyboard arrow keys ↑ ← ↓ → can also be used to rotate a Line/Curve while the Right Mouse Button is held down. If the Shift key is held down while rotating the angle of rotation is snapped to 15 degree increments. Rotate the Line/Curve about the center using the Right Mouse Button. Click and drag to rotate.Īs a visual guide that rotation is possible, the mouse pointer will turn into a double headed arrow (see diagram). The keyboard arrow keys ↑ ← ↓ → can also be used to move a Line/Curve.Ī single key press moves the object by one pixel in the direction of the arrow. Simultaneously holding the Ctrl key moves the object by 10 pixels per arrow key press.īefore a Line/Curve is committed to the canvas, it can be rotated about its geometric center. Moving a Line/Curveīefore a Line/Curve is committed to the canvas, it can be moved anywhere on the canvas. Click and drag the pulsing Move icon (four-arrows-in-a-square) using the Left Mouse Button to reposition the Line/Curve. If a curve is desired, drag the control nubs to a new location by clicking and dragging. Holding down the Shift key before releasing the mouse button constrains the line to angles that are multiples of 15 degrees, e.g.
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