prepareCustom.js 2.4 KB

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  1. /*
  2. * Licensed to the Apache Software Foundation (ASF) under one
  3. * or more contributor license agreements. See the NOTICE file
  4. * distributed with this work for additional information
  5. * regarding copyright ownership. The ASF licenses this file
  6. * to you under the Apache License, Version 2.0 (the
  7. * "License"); you may not use this file except in compliance
  8. * with the License. You may obtain a copy of the License at
  9. *
  10. * http://www.apache.org/licenses/LICENSE-2.0
  11. *
  12. * Unless required by applicable law or agreed to in writing,
  13. * software distributed under the License is distributed on an
  14. * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15. * KIND, either express or implied. See the License for the
  16. * specific language governing permissions and limitations
  17. * under the License.
  18. */
  19. var zrUtil = require("zrender/lib/core/util");
  20. /*
  21. * Licensed to the Apache Software Foundation (ASF) under one
  22. * or more contributor license agreements. See the NOTICE file
  23. * distributed with this work for additional information
  24. * regarding copyright ownership. The ASF licenses this file
  25. * to you under the Apache License, Version 2.0 (the
  26. * "License"); you may not use this file except in compliance
  27. * with the License. You may obtain a copy of the License at
  28. *
  29. * http://www.apache.org/licenses/LICENSE-2.0
  30. *
  31. * Unless required by applicable law or agreed to in writing,
  32. * software distributed under the License is distributed on an
  33. * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  34. * KIND, either express or implied. See the License for the
  35. * specific language governing permissions and limitations
  36. * under the License.
  37. */
  38. function dataToCoordSize(dataSize, dataItem) {
  39. // dataItem is necessary in log axis.
  40. var axis = this.getAxis();
  41. var val = dataItem instanceof Array ? dataItem[0] : dataItem;
  42. var halfSize = (dataSize instanceof Array ? dataSize[0] : dataSize) / 2;
  43. return axis.type === 'category' ? axis.getBandWidth() : Math.abs(axis.dataToCoord(val - halfSize) - axis.dataToCoord(val + halfSize));
  44. }
  45. function _default(coordSys) {
  46. var rect = coordSys.getRect();
  47. return {
  48. coordSys: {
  49. type: 'singleAxis',
  50. x: rect.x,
  51. y: rect.y,
  52. width: rect.width,
  53. height: rect.height
  54. },
  55. api: {
  56. coord: function (val) {
  57. // do not provide "out" param
  58. return coordSys.dataToPoint(val);
  59. },
  60. size: zrUtil.bind(dataToCoordSize, coordSys)
  61. }
  62. };
  63. }
  64. module.exports = _default;