EndpointDecorator.h

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/*************************************************************************************
**
** Copyright 2015, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#pragma once
#include <SoCSOSystem.h>
#include <mlTypeDefs.h>
#include <Inventor/SbLinear.h>
#include <SoCSODefines.h>
 
enum DecorationTypes
{
  NO_DECORATION = 0,                            
  ARROW = 1,      
  PERPENDICULAR = 2,  
};
 
enum DecorationLineStyleOverwriteModes
{
  NO_OVERWRITE = 0,
  OVERWRITE_LINE_STYLE_SOLID = PATH_POINTS_PATTERN_SOLID,
  OVERWRITE_LINE_STYLE_DASHED = PATH_POINTS_PATTERN_DASHED,
  OVERWRITE_LINE_STYLE_DOTTED = PATH_POINTS_PATTERN_DOTTED,
  OVERWRITE_LINE_STYLE_SHORT_DASHED = PATH_POINTS_PATTERN_SHORT_DASHED
};
 
class EndpointDecorator
{
  public:
    EndpointDecorator(MLfloat pixelSize, int decorationType);
 
    void draw(const SbVec2f& origin, const SbVec2f& target);
 
  protected:
    void drawArrowHead(const SbVec2f &origin, const SbVec2f &target);
    void drawPerpendicularEnd(const SbVec2f &origin, const SbVec2f &target);
 
    MLfloat _pixelSize;
    int _decorationType;
};