void Cache::writeFile(shared_ptr<Tile> tile, const string& path) {
std::ofstream out(path, std::ios::out | std::ios::binary);
if(out.is_open())
{
Tile::ImageType png = tile->getImage();
if (png==0) {
out.close();
boost::filesystem::path file(path);
boost::filesystem::remove(file);
BOOST_THROW_EXCEPTION(excp::InputFormatException());
} else {
auto size = png->size();
out.write((const char*) png->data(), size);
}
} else {
// e.g. Disk full
BOOST_THROW_EXCEPTION(excp::FileNotFoundException() << excp::InfoFileName(path));
}
}
/**
* \brief Renders a tile to the given path using the test styles.
* \param tilePath path to the resulting tile
* \param id identifier of the tile that should be rendered
*/
void renderTile(const char* tilePath, shared_ptr<TileIdentifier> id)
{
BOOST_TEST_MESSAGE("Render: " << tilePath);
RenderAttributes attr;
Style* canvas = attr.getCanvasStyle();
canvas->fill_color = Color(1.0f, 1.0f, 1.0f, 1.0f);
coord_t x0, x1, y0, y1;
tileToMercator(id->getX(), id->getY(), id->getZoom(), x0, y0);
tileToMercator(id->getX() + 1, id->getY() + 1, id->getZoom(), x1, y1);
FixedRect r = FixedRect(FixedPoint(x0, y0), FixedPoint(x1, y1));
auto nodes = data->getNodeIDs(r);
auto ways = data->getWayIDs(r);
auto relations = data->getRelationIDs(r);
generateStyles();
BOOST_TEST_MESSAGE(" - ways " << ways->size());
styleWays(ways, attr);
BOOST_TEST_MESSAGE(" - nodes " << nodes->size());
styleNodes(nodes, attr);
BOOST_TEST_MESSAGE(" - relations " << relations->size());
styleRelations(relations, attr);
shared_ptr<MetaIdentifier> mid = MetaIdentifier::Create(id);
shared_ptr<MetaTile> meta = boost::make_shared<MetaTile>(mid);
renderer->renderMetaTile(attr, meta);
shared_ptr<Tile> tile = boost::make_shared<Tile>(id);
renderer->sliceTile(meta, tile);
BOOST_TEST_MESSAGE("Writing the tile:");
std::ofstream out;
out.open(tilePath);
BOOST_TEST_MESSAGE("- get data");
Tile::ImageType png = tile->getImage();
BOOST_TEST_MESSAGE("- writing (" << png->size() << " Bytes)");
out.write((const char*) png->data(), png->size());
out.close();
}