| import * as zrUtil from 'zrender/src/core/util'; |
| |
| function dataToCoordSize(dataSize, dataItem) { |
| dataItem = dataItem || [0, 0]; |
| return zrUtil.map([0, 1], function (dimIdx) { |
| var val = dataItem[dimIdx]; |
| var halfSize = dataSize[dimIdx] / 2; |
| var p1 = []; |
| var p2 = []; |
| p1[dimIdx] = val - halfSize; |
| p2[dimIdx] = val + halfSize; |
| p1[1 - dimIdx] = p2[1 - dimIdx] = dataItem[1 - dimIdx]; |
| return Math.abs(this.dataToPoint(p1)[dimIdx] - this.dataToPoint(p2)[dimIdx]); |
| }, this); |
| } |
| |
| export default function (coordSys) { |
| var rect = coordSys.getBoundingRect(); |
| return { |
| coordSys: { |
| type: 'geo', |
| x: rect.x, |
| y: rect.y, |
| width: rect.width, |
| height: rect.height |
| }, |
| api: { |
| coord: zrUtil.bind(coordSys.dataToPoint, coordSys), |
| size: zrUtil.bind(dataToCoordSize, coordSys) |
| } |
| }; |
| } |