Function rectCoordAxisBuildSplitArea

libs/echarts/echarts.simple.js:41368–41454

(axisView, axisGroup, axisModel, gridModel)

*/

function rectCoordAxisBuildSplitArea(axisView, axisGroup, axisModel, gridModel) {
    var axis = axisModel.axis;

    if (axis.scale.isBlank()) {
        return;
    }

    var splitAreaModel = axisModel.getModel('splitArea');
    var areaStyleModel = splitAreaModel.getModel('areaStyle');
    var areaColors = areaStyleModel.get('color');

    var gridRect = gridModel.coordinateSystem.getRect();

    var ticksCoords = axis.getTicksCoords({
        tickModel: splitAreaModel,
        clamp: true
    });

    if (!ticksCoords.length) {
        return;
    }

    // For Making appropriate splitArea animation, the color and anid
    // should be corresponding to previous one if possible.
    var areaColorsLen = areaColors.length;
    var lastSplitAreaColors = axisView.__splitAreaColors;
    var newSplitAreaColors = createHashMap();
    var colorIndex = 0;
    if (lastSplitAreaColors) {
        for (var i = 0; i < ticksCoords.length; i++) {
            var cIndex = lastSplitAreaColors.get(ticksCoords[i].tickValue);
            if (cIndex != null) {
                colorIndex = (cIndex + (areaColorsLen - 1) * i) % areaColorsLen;
                break;
            }
        }
    }

    var prev = axis.toGlobalCoord(ticksCoords[0].coord);

    var areaStyle = areaStyleModel.getAreaStyle();
    areaColors = isArray(areaColors) ? areaColors : [areaColors];

    for (var i = 1; i < ticksCoords.length; i++) {
        var tickCoord = axis.toGlobalCoord(ticksCoords[i].coord);

        var x;
        var y;
        var width;
        var height;
        if (axis.isHorizontal()) {
            x = prev;
            y = gridRect.y;
            width = tickCoord - x;
            height = gridRect.height;
            prev = x + width;
        }
        else {