void TransferFunctionEditor::loadState(Value& in)
{
transferFunction.loadState(in);
setRange(transferFunction.GetMin(), transferFunction.GetMax());
transferFunctionAlphaScalingSlider.setValue(int(transferFunction.GetScale() * (transferFunctionAlphaScalingSlider.minimum() + transferFunctionAlphaScalingSlider.maximum())));
QVector<QPointF> points;
for (int i = 0; i < transferFunction.GetAlphas().size(); i++)
points.push_back(QPointF(transferFunction.GetAlphas()[i].x, transferFunction.GetAlphas()[i].y));
transferFunctionAlphaWidget.setPoints(points);
if (in.HasMember("Colormap"))
{
ColorMap cmap;
cmap.loadState(in["Colormap"]);
int colorMapIndex;
for(colorMapIndex = 0; colorMapIndex < colorMaps.size(); colorMapIndex++)
if (colorMaps[colorMapIndex].getName() == cmap.getName())
break;
if (colorMapIndex == colorMaps.size())
addColorMap(VColorMap(cmap));
colorMapComboBox.setCurrentIndex(colorMapIndex);
}
}
int setRasterLayerColormapName(Layer* pLayer, const char* pName)
{
RasterLayer* pRaster = dynamic_cast<RasterLayer*>(pLayer);
if (pRaster == NULL)
{
setLastError(SIMPLE_BAD_PARAMS);
return 1;
}
std::string name(pName);
ColorMap map;
if (!map.loadFromFile(name))
{
// see if name is a colormap name
const Filename* pSupportFiles = Service<ConfigurationSettings>()->getSettingSupportFilesPath();
if (pSupportFiles == NULL)
{
setLastError(SIMPLE_OTHER_FAILURE);
return 1;
}
std::string mapDir = pSupportFiles->getFullPathAndName() + SLASH + "ColorTables" + SLASH;
if (!map.loadFromFile(mapDir + name) && !map.loadFromFile(mapDir + name + ".clu")
&& !map.loadFromFile(mapDir + name + ".cgr"))
{
// scan all the default files and check for a valid name
bool located = false;
FactoryResource<FileFinder> pFinder;
pFinder->findFile(mapDir, "*.c??");
while (pFinder->findNextFile())
{
std::string filePath;
pFinder->getFullPath(filePath);
if (map.loadFromFile(filePath) && map.getName() == name)
{
located = true;
break;
}
}
if (!located)
{
setLastError(SIMPLE_NOT_FOUND);
return 1;
}
}
}
pRaster->setColorMap(map);
setLastError(SIMPLE_NO_ERROR);
return 0;
}
