int getThresholdLayerInfo(Layer* pLayer, struct ThresholdLayerInfo* pInfo)
{
ThresholdLayer* pThresh = dynamic_cast<ThresholdLayer*>(pLayer);
if (pThresh == NULL || pInfo == NULL)
{
setLastError(SIMPLE_BAD_PARAMS);
return 1;
}
// convert the threshold values to the current threshold region units
pInfo->firstThreshold = pThresh->convertThreshold(RAW_VALUE,
pThresh->getFirstThreshold(), pThresh->getRegionUnits());
pInfo->secondThreshold = pThresh->convertThreshold(RAW_VALUE,
pThresh->getSecondThreshold(), pThresh->getRegionUnits());
switch(pThresh->getPassArea())
{
case LOWER:
pInfo->passArea = 0;
break;
case UPPER:
pInfo->passArea = 1;
break;
case MIDDLE:
pInfo->passArea = 2;
break;
case OUTSIDE:
pInfo->passArea = 3;
break;
default:
setLastError(SIMPLE_OTHER_FAILURE);
return 1;
}
switch(pThresh->getRegionUnits())
{
case RAW_VALUE:
pInfo->regionUnits = 0;
break;
case PERCENTAGE:
pInfo->regionUnits = 1;
break;
case PERCENTILE:
pInfo->regionUnits = 2;
break;
case STD_DEV:
pInfo->regionUnits = 3;
break;
default:
setLastError(SIMPLE_OTHER_FAILURE);
return 1;
}
setLastError(SIMPLE_NO_ERROR);
return 0;
}
int setThresholdLayerInfo(Layer* pLayer, struct ThresholdLayerInfo* pInfo)
{
ThresholdLayer* pThresh = dynamic_cast<ThresholdLayer*>(pLayer);
if (pThresh == NULL || pInfo == NULL)
{
setLastError(SIMPLE_BAD_PARAMS);
return 1;
}
switch(pInfo->passArea)
{
case 0:
pThresh->setPassArea(LOWER);
break;
case 1:
pThresh->setPassArea(UPPER);
break;
case 2:
pThresh->setPassArea(MIDDLE);
break;
case 3:
pThresh->setPassArea(OUTSIDE);
break;
default:
setLastError(SIMPLE_BAD_PARAMS);
return 1;
}
switch(pInfo->regionUnits)
{
case 0:
pThresh->setRegionUnits(RAW_VALUE);
break;
case 1:
pThresh->setRegionUnits(PERCENTAGE);
break;
case 2:
pThresh->setRegionUnits(PERCENTILE);
break;
case 3:
pThresh->setRegionUnits(STD_DEV);
break;
default:
setLastError(SIMPLE_BAD_PARAMS);
return 1;
}
// convert the thresholds to raw from the specified units
pThresh->setFirstThreshold(pThresh->convertThreshold(pInfo->firstThreshold, RAW_VALUE));
pThresh->setSecondThreshold(pThresh->convertThreshold(pInfo->secondThreshold, RAW_VALUE));
setLastError(SIMPLE_NO_ERROR);
return 0;
}