Function axisLine

src/component/axis/AxisBuilder.ts:672–786

(cfg, local, shared, axisModel, group, transformGroup, api)

const builders: Record<AxisBuilderAxisPartName, AxisElementsBuilder> = {

    axisLine(cfg, local, shared, axisModel, group, transformGroup, api) {
        if (__DEV__) {
            const ready = shared.ensureRecord(axisModel).ready;
            assert(!ready.axisLine);
            ready.axisLine = true;
        }

        let shown = axisModel.get(['axisLine', 'show']);
        if (shown === 'auto') {
            shown = true;
            if (cfg.raw.axisLineAutoShow != null) {
                shown = !!cfg.raw.axisLineAutoShow;
            }
        }
        if (!shown) {
            return;
        }

        const extent = axisModel.axis.getExtent();

        const matrix = transformGroup.transform;
        const pt1 = [extent[0], 0];
        const pt2 = [extent[1], 0];
        const inverse = pt1[0] > pt2[0];
        if (matrix) {
            v2ApplyTransform(pt1, pt1, matrix);
            v2ApplyTransform(pt2, pt2, matrix);
        }

        const lineStyle = extend(
            {
                lineCap: 'round'
            },
            axisModel.getModel(['axisLine', 'lineStyle']).getLineStyle()
        );
        const pathBaseProp: PathProps = {
            strokeContainThreshold: cfg.raw.strokeContainThreshold || 5,
            silent: true,
            z2: 1,
            style: lineStyle,
        };

        if (axisModel.get(['axisLine', 'breakLine']) && hasBreaks(axisModel.axis.scale)) {
            getAxisBreakHelper()!.buildAxisBreakLine(axisModel, group, transformGroup, pathBaseProp);
        }
        else {
            const line = new graphic.Line(extend({
                shape: {
                    x1: pt1[0],
                    y1: pt1[1],
                    x2: pt2[0],
                    y2: pt2[1]
                },
            }, pathBaseProp));
            graphic.subPixelOptimizeLine(line.shape, line.style.lineWidth);
            line.anid = 'line';
            group.add(line);
        }