// Returns true if an AdditionalSnapLine can be found in a close surrounding of the given location. private bool IsValidHit(IInputModeContext context, PointD location) { AdditionalSnapLineVisualCreator line = TryGetAdditionalSnapLineAt(location); if (line != null) { handler = new AdditionalSnapLinePositionHandler(line, location); return(true); } handler = null; return(false); }
/// <summary> /// Creates a new handler for the given <paramref name="line">AdditionalSnapLine</paramref>. /// </summary> /// <param name="line">The additional snap line to move.</param> /// <param name="mouseLocation">The mouse location at the beginning of a move gesture.</param> public AdditionalSnapLinePositionHandler(AdditionalSnapLineVisualCreator line, PointD mouseLocation) { this.line = line; mouseDeltaFromStart = mouseLocation - line.From; }