| 257 | } |
| 258 | |
| 259 | const bqSymbol = function () { |
| 260 | let type = symbolType; |
| 261 | let size = symbolSize; |
| 262 | let skew = symbolSkew; |
| 263 | |
| 264 | function symbol(d, i) { |
| 265 | return (bqSymbolTypes.get(type.call(this, d, i)) || circleSymbol)( |
| 266 | size.call(this, d, i), |
| 267 | skew.call(this, d, i) |
| 268 | ); |
| 269 | } |
| 270 | |
| 271 | symbol.type = function (x) { |
| 272 | if (!arguments.length) { |
| 273 | return type; |
| 274 | } |
| 275 | type = functor(x); |
| 276 | return symbol; |
| 277 | }; |
| 278 | |
| 279 | // size of symbol in square pixels |
| 280 | symbol.size = function (x) { |
| 281 | if (!arguments.length) { |
| 282 | return size; |
| 283 | } |
| 284 | size = functor(x); |
| 285 | return symbol; |
| 286 | }; |
| 287 | |
| 288 | // skew of symbol, in [0, 1] |
| 289 | symbol.skew = function (x) { |
| 290 | if (!arguments.length) { |
| 291 | return skew; |
| 292 | } |
| 293 | skew = functor(x); |
| 294 | return symbol; |
| 295 | }; |
| 296 | |
| 297 | return symbol; |
| 298 | }; |
| 299 | |
| 300 | export const types = bqSymbolTypes.keys(); |
| 301 | export { bqSymbol as symbol }; |