add.cpp

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#include "text.h"
#include "image.h"
#include "runtime.h"
#include "point.h"

Value * Runtime::add(Value * a, Value * b)
{
  if (!a || !b) return NULL;
  if (typeid(*a)==typeid(TextValue) && typeid(*b)==typeid(TextValue))
    {
      TextValue * A = (TextValue*)a;
      TextValue * B = (TextValue*)b;
      return new TextValue(A->number()+B->number());
    }
  if (typeid(*a)==typeid(ImageValue) && typeid(*b)==typeid(ImageValue))
    {
      ImageValue * A = (ImageValue*)a;
      ImageValue * B = (ImageValue*)b;
      
      PointValue topleft     = min(A->topleft(),B->topleft());
      PointValue bottomright = max(A->bottomright(),B->bottomright());
      PointValue maxres      = max(A->scale,B->scale);
      int cs = max(A->channelcount(),B->channelcount());
      ImageValue * O = new ImageValue(topleft,bottomright,maxres,cs);
      printf("O1: %g - %g\n",O->minz(),O->maxz());
      O->clear(0);
      printf("O2: %g - %g\n",O->minz(),O->maxz());
      printf("A: %g - %g\n",A->minz(),A->maxz());
      O->addFrom(A);
      printf("O3: %g - %g\n",O->minz(),O->maxz());
      printf("B: %g - %g\n",B->minz(),B->maxz());
      O->addFrom(B);
      printf("O4: %g - %g\n",O->minz(),O->maxz());
      return O;
    }
  if (typeid(*a)==typeid(PointValue) && typeid(*b)==typeid(PointValue))
    {
      PointValue * A = (PointValue*)a;
      PointValue * B = (PointValue*)b;
      PointValue * R = new PointValue();
      R->x=A->x+B->x;
      R->y=A->y+B->y;
      return R;
    }
  assert(0);
}

Value * Runtime::add(vector<Value*> values)
{
  Value * accumulated = values[0];
  for(unsigned int i = 1 ; i < values.size() ; i++)
      accumulated=add(accumulated,values[i]);
  return accumulated;
}

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