line.cpp

Go to the documentation of this file.

#include "line.h"
#include "runtime.h"

QString LineValue::toString()
{
  return QString("(")+a.toString()+
    QString(", ")+b.toString()+
    QString(")");
}

bool LineValue::equals_same_type(Value * other) 
{
  LineValue * o = (LineValue*)other;
  return a.equals(o->a) && b.equals(o->b);
}

Value * Runtime::line(Value * image)
{
  if (image==NULL)  return NULL;
  if (typeid(*image)!=typeid(ImageValue)) return NULL;
  ImageValue * I = (ImageValue*)image;
  LinePicker ip(I);
  if (ip.exec()==QDialog::Accepted)
    return ip.value();
  return NULL;
}

Value * Runtime::line(vector<Value*> v)
{
  if (v.size()==1) return line(v[0]);
  return NULL;
}

void LinePicker::nextPoint(PointValue p, bool)
{
  if (first)
    {
      line.a=p;
      first = false;
    }
  else
    {
      line.b=p;
      accept();
    }
}

---