TileStamp TileStamp::fromJson(const QJsonObject &json, const QDir &mapDir)
{
TileStamp stamp;
stamp.setName(json.value(QLatin1String("name")).toString());
stamp.setQuickStampIndex(static_cast<int>(json.value(QLatin1String("quickStampIndex")).toDouble(-1)));
const QJsonArray variations = json.value(QLatin1String("variations")).toArray();
for (const QJsonValue value : variations) {
QJsonObject variationJson = value.toObject();
QVariant mapVariant = variationJson.value(QLatin1String("map")).toVariant();
VariantToMapConverter converter;
auto map = converter.toMap(mapVariant, mapDir);
if (!map) {
qDebug() << "Failed to load map for stamp:" << converter.errorString();
continue;
}
qreal probability = variationJson.value(QLatin1String("probability")).toDouble(1);
stamp.addVariation(std::move(map), probability);
}
return stamp;
}
static TileStamp stampFromContext(AbstractTool *selectedTool)
{
TileStamp stamp;
if (StampBrush *stampBrush = dynamic_cast<StampBrush*>(selectedTool)) {
// take the stamp from the stamp brush
stamp = stampBrush->stamp();
} else if (BucketFillTool *fillTool = dynamic_cast<BucketFillTool*>(selectedTool)) {
// take the stamp from the fill tool
stamp = fillTool->stamp();
} else if (MapDocument *mapDocument = DocumentManager::instance()->currentDocument()) {
// try making a stamp from the current tile selection
const TileLayer *tileLayer =
dynamic_cast<TileLayer*>(mapDocument->currentLayer());
if (!tileLayer)
return stamp;
QRegion selection = mapDocument->selectedArea();
if (selection.isEmpty())
return stamp;
selection.translate(-tileLayer->position());
QScopedPointer<TileLayer> copy(tileLayer->copy(selection));
if (copy->size().isEmpty())
return stamp;
const Map *map = mapDocument->map();
Map *copyMap = new Map(map->orientation(),
copy->width(), copy->height(),
map->tileWidth(), map->tileHeight());
// Add tileset references to map
foreach (const SharedTileset &tileset, copy->usedTilesets())
copyMap->addTileset(tileset);
copyMap->setRenderOrder(map->renderOrder());
copyMap->addLayer(copy.take());
stamp.addVariation(copyMap);
}
return stamp;
}
