uint32_t setGcpPoints(DataElement* pList, uint32_t count, struct Gcp* pPoints)
{
GcpList* pGcpList = dynamic_cast<GcpList*>(pList);
if (pGcpList == NULL || (count > 0 && pPoints == NULL))
{
setLastError(SIMPLE_BAD_PARAMS);
return 0;
}
pGcpList->clearPoints();
if (count == 0)
{
setLastError(SIMPLE_NO_ERROR);
return 0;
}
std::list<GcpPoint> points;
for (uint32_t index = 0; index < count; ++index)
{
GcpPoint point;
memcpy(&point, &pPoints[index], sizeof(struct Gcp));
points.push_back(point);
}
pGcpList->addPoints(points);
setLastError(SIMPLE_NO_ERROR);
return pGcpList->getCount();
}
uint32_t getGcpCount(DataElement* pList)
{
GcpList* pGcpList = dynamic_cast<GcpList*>(pList);
if (pGcpList == NULL)
{
setLastError(SIMPLE_BAD_PARAMS);
return 0;
}
setLastError(SIMPLE_NO_ERROR);
return pGcpList->getCount();
}
struct Gcp getGcpPoint(DataElement* pList, uint32_t index)
{
GcpList* pGcpList = dynamic_cast<GcpList*>(pList);
if (pGcpList == NULL || index >= static_cast<uint32_t>(pGcpList->getCount()))
{
setLastError(SIMPLE_BAD_PARAMS);
return Gcp();
}
const std::list<GcpPoint>& points = pGcpList->getSelectedPoints();
std::list<GcpPoint>::const_iterator point = points.begin();
while (index-- > 0) ++point;
struct Gcp rval;
memcpy(&rval, &*point, sizeof(struct Gcp));
setLastError(SIMPLE_NO_ERROR);
return rval;
}