GisBlob.cpp

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#include "GisBlob.h"

// Qt library
#include <QDebug>
#include <QString>

// other ISIS
#include "Blob.h"
#include "Cube.h"

namespace Isis {

  GisBlob::GisBlob() : Blob("Footprint", "Polygon"), m_wkt() {
  }


  GisBlob::GisBlob(Cube &cube) : Blob("Footprint", "Polygon"), m_wkt() {
    cube.read(*this);
    m_wkt = scrub(p_buffer, p_nbytes);
  }   


  GisBlob::~GisBlob() { 
  }


  QString GisBlob::polygon() const { 
    return (m_wkt); 
  }


  void GisBlob::setPolygon(const QString &wkt) {
    delete [] p_buffer;
    p_nbytes = wkt.size();
    p_buffer = new char[p_nbytes+1];
    for (int i = 0 ; i < p_nbytes ; i++) {
      p_buffer[i] = wkt[i].toLatin1();
    }
    p_buffer[p_nbytes] = 0;
    m_wkt = scrub(p_buffer, p_nbytes);
    return;
  }


  QString GisBlob::scrub(const char *rawbuf, int rbytes) const {
    int i;
    for (i = 0 ; i < rbytes ; i++) {
      if (rawbuf[i] != 0) break;
    }
    int nbytes =  rbytes - i;
    return (QString::fromLatin1(&rawbuf[i], nbytes));
  }

} // Namespace Isis