) {
        var xminymin = coordSys[COORD_CONVERTS[to]]([rangeOrCoordRange[0][0], rangeOrCoordRange[1][0]]);
        var xmaxymax = coordSys[COORD_CONVERTS[to]]([rangeOrCoordRange[0][1], rangeOrCoordRange[1][1]]);
        var values = [
            formatMinMax([xminymin[0], xmaxymax[0]]),
            formatMinMax([xminymin[1], xmaxymax[1]])
        ];
        return {values: values, xyMinMax: values};
    },

    polygon: function (to, coordSys, rangeOrCoordRange) {
        var xyMinMax = [[Infinity, -Infinity], [Infinity, -Infinity]];
        var values = map(rangeOrCoordRange, function (item) {
            var p = coordSys[COORD_CONVERTS[to]](item);
            xyMinMax[0][0] = Math.min(xyMinMax[0][0], p[0]);
            xyMinMax[1][0] = Math.min(xyMinMax[1][0], p[1]);
            xyMinMax[0][1] = Math.max(xyMinMax[0][1], p[0]);
            xyMinMax[1][1] = Math.max(xyMinMax[1][1], p[1]);
            return p;
        });
        return {values: values, xyMinMax: xyMinMax};
    }
};

function axisConvert(axisNameIndex, to, coordSys, rangeOrCoordRange) {
    if (__DEV__) {
        assert$1(
            coordSys.type === 'cartesian2d',
            'lineX/lineY brush is available only in cartesian2d.'
        );
    }

    var axis = coordSys.getAxis(['x', 'y'][axisNameIndex]);
    var values = formatMinMax(map([0, 1], function (i) {
        return to
            ? axis.coordToData(axis.toLocalCoord(rangeOrCoordRange[i]))
            : axis.toGlobalCoord(axis.dataToCoord(rangeOrCoordRange[i]));
    }));
    var xyMinMax = [];
    xyMinMax[axisNameIndex] = values;
    xyMinMax[1 - axisNameIndex] = [NaN, NaN];

    return {values: values, xyMinMax: xyMinMax};
}

var diffProcessor = {
    lineX: curry$7(axisDiffProcessor, 0),

    lineY: curry$7(axisDiffProcessor, 1),

    rect: function (values, refer, scales) {
        return [
            [values[0][0] - scales[0] * refer[0][0], values[0][1] - scales[0] * refer[0][1]],
            [values[1][0] - scales[1] * refer[1][0], values[1][1] - scales[1] * refer[1][1]]
        ];
    },

    polygon: function (values, refer, scales) {
        return map(values, function (item, idx) {
            return [item[0] - scales[0] * refer[idx][0], item[1] - scales[1] * refer[idx][1]];
        });
    }
};

function axisDiffProcessor(axisNameIndex, values, refer, scales) {
    return [
        values[0] - scales[axisNameIndex] * refer[0],
        values[1] - scales[axisNameIndex] * refer[1]
    ];
}

// We have to process scale caused by dataZoom manually,
// although it might be not accurate.
function getScales(xyMinMaxCurr, xyMinMaxOrigin) {
    var sizeCurr = getSize(xyMinMaxCurr);
    var sizeOrigin = getSize(xyMinMaxOrigin);
    var scales = [sizeCurr[0] / sizeOrigin[0], sizeCurr[1] / sizeOrigin[1]];
    isNaN(scales[0]) && (scales[0] = 1);
    isNaN(scales[1]) && (scales[1] = 1);
    return scales;
}

function getSize(xyMinMax) {
    return xyMinMax
        ? [xyMinMax[0][1] - xyMinMax[0][0], xyMinMax[1][1] - xyMinMax[1][0]]
        : [NaN, NaN];
}

var each$19 = each$1;

var ATTR$2 = '\0_ec_hist_store';

/**
 * @param {module:echarts/model/Global} ecModel
 * @param {Object} newSnapshot {dataZoomId, batch: [payloadInfo, ...]}
 */
function push(ecModel, newSnapshot) {
    var store = giveStore$1(ecModel);

    // If previous dataZoom can not be found,
    // complete an range with current range.
    each$19(newSnapshot, function (batchItem, dataZoomId) {
        var i = store.length - 1;
        for (; i >= 0; i--) {
            var snapshot = store[i];
            if (snapshot[dataZoomId]) {
                break;
            }
        }
        if (i < 0) {
            // No origin range set, create one by current range.
            var dataZoomModel = ecModel.queryComponents(
                {mainType: 'dataZoom', subType: 'select', id: dataZoomId}
            )[0];
            if (dataZoomModel) {
                var percentRange = dataZoomModel.getPercentRange();
                store[0][dataZoomId] = {
                    dataZoomId: dataZoomId,
                    start: percentRange[0],
                    end: percentRange[1]
                };
            }
        }
    });

    store.push(newSnapshot);
}

/**
 * @param {module:echarts/model/Global} ecModel
 * @return {Object} snapshot
 */
function pop(ecModel) {
    var store = giveStore$1(ecModel);
    var head = store[store.length - 1];
    store.length > 1 && store.pop();

    // Find top for all dataZoom.
    var snapshot = {};
    each$19(head, function (batchItem, dataZoomId) {
        for (var i = store.length - 1; i >= 0; i--) {
            var batchItem = store[i][dataZoomId];
            if (batchItem) {
                snapshot[dataZoomId] = batchItem;
                break;
            }
        }
    });

    return snapshot;
}

/**
 * @param {module:echarts/model/Global} ecModel
 */
function clear$1(ecModel) {
    ecModel[ATTR$2] = null;
}

/**
 * @param {module:echarts/model/Global} ecModel
 * @return {number} records. always >= 1.
 */
function count(ecModel) {
    return giveStore$1(ecModel).length;
}

/**
 * [{key: dataZoomId, value: {dataZoomId, range}}, ...]
 * History length of each dataZoom may be different.
 * this._history[0] is used to store origin range.
 * @type {Array.<Object>}
 */
function giveStore$1(ecModel) {
    var store = ecModel[ATTR$2];
    if (!store) {
        store = ecModel[ATTR$2] = [{}];
    }
    return store;
}

DataZoomModel.extend({
    type: 'dataZoom.select'
});

DataZoomView.extend({
    type: 'dataZoom.select'
});

/**
 * DataZoom component entry
 */

// Use dataZoomSelect
var dataZoomLang = lang.toolbox.dataZoom;
var each$16 = each$1;

// Spectial component id start with \0ec\0, see echarts/model/Global.js~hasInnerId
var DATA_ZOOM_ID_BASE = '\0_ec_\0toolbox-dataZoom_';

function DataZoom(model, ecModel, api) {

    /**
     * @private
     * @type {module:echarts/component/helper/BrushController}
     */
    (this._brushController = new BrushController(api.getZr()))
        .on('brush', bind(this._onBrush, this))
        .mount();

    /**
     * @private
     * @type {boolean}
     */
    this._isZoomActive;
}

DataZoom.defaultOption = {
    show: true,
    // Icon group
    icon: {
        zoom: 'M0,13.5h26.9 M13.5,26.9V0 M32.1,13.5H58V58H13.5 V32.1',
        back: 'M22,1.4L9.9,13.5l12.3,12.3 M10.3,13.5H54.9v44.6 H10.3v-26'
    },
    // `zoom`, `back`
    title: clone(dataZoomLang.title)
};

var proto$4 = DataZoom.prototype;

proto$4.render = function (featureModel, ecModel, api, payload) {
    this.model = featureModel;
    this.ecModel = ecModel;
    this.api = api;

    updateZoomBtnStatus(featureModel, ecModel, this, payload, api);
    updateBackBtnStatus(featureModel, ecModel);
};

proto$4.onclick = function (ecModel, api, type) {
    handlers[type].call(this);
};

proto$4.remove = function (ecModel, api) {
    this._brushController.unmount();
};

proto$4.dispose = function (ecModel, api) {
    this._brushController.dispose();
};

/**
 * @private
 */
var handlers = {

    zoom: function () {
        var nextActive = !this._isZoomActive;

        this.api.dispatchAction({
            type: 'takeGlobalCursor',
            key: 'dataZoomSelect',
            dataZoomSelectActive: nextActive
        });
    },

    back: function () {
        this._dispatchZoomAction(pop(this.ecModel));
    }
};

/**
 * @private
 */
proto$4._onBrush = function (areas, opt) {
    if (!opt.isEnd || !areas.length) {
        return;
    }
    var snapshot = {};
    var ecModel = this.ecModel;

    this._brushController.updateCovers([]); // remove cover

    var brushTargetManager = new BrushTargetManager(
        retrieveAxisSetting(this.model.option), ecModel, {include: ['grid']}
    );
    brushTargetManager.matchOutputRanges(areas, ecModel, function (area, coordRange, coordSys) {
        if (coordSys.type !== 'cartesian2d') {
            return;
        }

        var brushType = area.brushType;
        if (brushType === 'rect') {
            setBatch('x', coordSys, coordRange[0]);
            setBatch('y', coordSys, coordRange[1]);
        }
        else {
            setBatch(({lineX: 'x', lineY: 'y'})[brushType], coordSys, coordRange);
        }
    });

    push(ecModel, snapshot);

    this._dispatchZoomAction(snapshot);

    function setBatch(dimName, coordSys, minMax) {
        var axis = coordSys.getAxis(dimName);
        var axisModel = axis.model;
        var dataZoomModel = findDataZoom(dimName, axisModel, ecModel);

        // Restrict range.
        var minMaxSpan = dataZoomModel.findRepresentativeAxisProxy(axisModel).getMinMaxSpan();
        if (minMaxSpan.minValueSpan != null || minMaxSpan.maxValueSpan != null) {
            minMax = sliderMove(
                0, minMax.slice(), axis.scale.getExtent(), 0,
                minMaxSpan.minValueSpan, minMaxSpan.maxValueSpan
            );
        }

        dataZoomModel && (snapshot[dataZoomModel.id] = {
            dataZoomId: dataZoomModel.id,
            startValue: minMax[0],
            endValue: minMax[1]
        });
    }

    function findDataZoom(dimName, axisModel, ecModel) {
        var found;
        ecModel.eachComponent({mainType: 'dataZoom', subType: 'select'}, function (dzModel) {
            var has = dzModel.getAxisModel(dimName, axisModel.componentIndex);
            has && (found = dzModel);
        });
        return found;
    }
};

/**
 * @private
 */
proto$4._dispatchZoomAction = function (snapshot) {
    var batch = [];

    // Convert from hash map to array.
    each$16(snapshot, function (batchItem, dataZoomId) {
        batch.push(clone(batchItem));
    });

    batch.length && this.api.dispatchAction({
        type: 'dataZoom',
        from: this.uid,
        batch: batch
    });
};

function retrieveAxisSetting(option) {
    var setting = {};
    // Compatible with previous setting: null => all axis, false => no axis.
    each$1(['xAxisIndex', 'yAxisIndex'], function (name) {
        setting[name] = option[name];
        setting[name] == null && (setting[name] = 'all');
        (setting[name] === false || setting[name] === 'none') && (setting[name] = []);
    });
    return setting;
}

function updateBackBtnStatus(featureModel, ecModel) {
    featureModel.setIconStatus(
        'back',
        count(ecModel) > 1 ? 'emphasis' : 'normal'
    );
}

function updateZoomBtnStatus(featureModel, ecModel, view, payload, api) {
    var zoomActive = view._isZoomActive;

    if (payload && payload.type === 'takeGlobalCursor') {
        zoomActive = payload.key === 'dataZoomSelect'
            ? payload.dataZoomSelectActive : false;
    }

    view._isZoomActive = zoomActive;

    featureModel.setIconStatus('zoom', zoomActive ? 'emphasis' : 'normal');

    var brushTargetManager = new BrushTargetManager(
        retrieveAxisSetting(featureModel.option), ecModel, {include: ['grid']}
    );

    view._brushController
        .setPanels(brushTargetManager.makePanelOpts(api, function (targetInfo) {
            return (targetInfo.xAxisDeclared && !targetInfo.yAxisDeclared)
                ? 'lineX'
                : (!targetInfo.xAxisDeclared && targetInfo.yAxisDeclared)
                ? 'lineY'
                : 'rect';
        }))
        .enableBrush(
            zoomActive
            ? {
                brushType: 'auto',
                brushStyle: {
                    // FIXME user customized?
                    lineWidth: 0,
                    fill: 'rgba(0,0,0,0.2)'
                }
            }
            : false
        );
}


register$2('dataZoom', DataZoom);


// Create special dataZoom option for select
registerPreprocessor(function (option) {
    if (!option) {
        return;
    }

    var dataZoomOpts = option.dataZoom || (option.dataZoom = []);
    if (!isArray(dataZoomOpts)) {
        option.dataZoom = dataZoomOpts = [dataZoomOpts];
    }

    var toolboxOpt = option.toolbox;
    if (toolboxOpt) {
        // Assume there is only one toolbox
        if (isArray(toolboxOpt)) {
            toolboxOpt = toolboxOpt[0];
        }

        if (toolboxOpt && toolboxOpt.feature) {
            var dataZoomOpt = toolboxOpt.feature.dataZoom;
            addForAxis('xAxis', dataZoomOpt);
            addForAxis('yAxis', dataZoomOpt);
        }
    }

    function addForAxis(axisName, dataZoomOpt) {
        if (!dataZoomOpt) {
            return;
        }

        // Try not to modify model, because it is not merged yet.
        var axisIndicesName = axisName + 'Index';
        var givenAxisIndices = dataZoomOpt[axisIndicesName];
        if (givenAxisIndices != null
            && givenAxisIndices != 'all'
            && !isArray(givenAxisIndices)
        ) {
            givenAxisIndices = (givenAxisIndices === false || givenAxisIndices === 'none') ? [] : [givenAxisIndices];
        }

        forEachComponent(axisName, function (axisOpt, axisIndex) {
            if (givenAxisIndices != null
                && givenAxisIndices != 'all'
                && indexOf(givenAxisIndices, axisIndex) === -1
            ) {
                return;
            }
            var newOpt = {
                type: 'select',
                $fromToolbox: true,
                // Id for merge mapping.
                id: DATA_ZOOM_ID_BASE + axisName + axisIndex
            };
            // FIXME
            // Only support one axis now.
            newOpt[axisIndicesName] = axisIndex;
            dataZoomOpts.push(newOpt);
        });
    }

    function forEachComponent(mainType, cb) {
        var opts = option[mainType];
        if (!isArray(opts)) {
            opts = opts ? [opts] : [];
        }
        each$16(opts, cb);
    }
});

var restoreLang = lang.toolbox.restore;

function Restore(model) {
    this.model = model;
}

Restore.defaultOption = {
    show: true,
    icon: 'M3.8,33.4 M47,18.9h9.8V8.7 M56.3,20.1 C52.1,9,40.5,0.6,26.8,2.1C12.6,3.7,1.6,16.2,2.1,30.6 M13,41.1H3.1v10.2 M3.7,39.9c4.2,11.1,15.8,19.5,29.5,18 c14.2-1.6,25.2-14.1,24.7-28.5',
    title: restoreLang.title
};

var proto$6 = Restore.prototype;

proto$6.onclick = function (ecModel, api, type) {
    clear$1(ecModel);

    api.dispatchAction({
        type: 'restore',
        from: this.uid
    });
};

register$2('restore', Restore);

registerAction(
    {type: 'restore', event: 'restore', update: 'prepareAndUpdate'},
    function (payload, ecModel) {
        ecModel.resetOption('recreate');
    }
);

var urn = 'urn:schemas-microsoft-com:vml';
var win = typeof window === 'undefined' ? null : window;

var vmlInited = false;

var doc = win && win.document;

function createNode(tagName) {
    return doCreateNode(tagName);
}

// Avoid assign to an exported variable, for transforming to cjs.
var doCreateNode;

if (doc && !env$1.canvasSupported) {
    try {
        !doc.namespaces.zrvml && doc.namespaces.add('zrvml', urn);
        doCreateNode = function (tagName) {
            return doc.createElement('<zrvml:' + tagName + ' class="zrvml">');
        };
    }
    catch (e) {
        doCreateNode = function (tagName) {
            return doc.createElement('<' + tagName + ' xmlns="' + urn + '" class="zrvml">');
        };
    }
}

// From raphael
function initVML() {
    if (vmlInited || !doc) {
        return;
    }
    vmlInited = true;

    var styleSheets = doc.styleSheets;
    if (styleSheets.length < 31) {
        doc.createStyleSheet().addRule('.zrvml', 'behavior:url(#default#VML)');
    }
    else {
        // http://msdn.microsoft.com/en-us/library/ms531194%28VS.85%29.aspx
        styleSheets[0].addRule('.zrvml', 'behavior:url(#default#VML)');
    }
}

// http://www.w3.org/TR/NOTE-VML
// TODO Use proxy like svg instead of overwrite brush methods

var CMD$3 = PathProxy.CMD;
var round$2 = Math.round;
var sqrt = Math.sqrt;
var abs$1 = Math.abs;
var cos = Math.cos;
var sin = Math.sin;
var mathMax$5 = Math.max;

if (!env$1.canvasSupported) {

    var comma = ',';
    var imageTransformPrefix = 'progid:DXImageTransform.Microsoft';

    var Z = 21600;
    var Z2 = Z / 2;

    var ZLEVEL_BASE = 100000;
    var Z_BASE = 1000;

    var initRootElStyle = function (el) {
        el.style.cssText = 'position:absolute;left:0;top:0;width:1px;height:1px;';
        el.coordsize = Z + ','  + Z;
        el.coordorigin = '0,0';
    };

    var encodeHtmlAttribute = function (s) {
        return String(s).replace(/&/g, '&').replace(/"/g, '"');
    };

    var rgb2Str = function (r, g, b) {
        return 'rgb(' + [r, g, b].join(',') + ')';
    };

    var append = function (parent, child) {
        if (child && parent && child.parentNode !== parent) {
            parent.appendChild(child);
        }
    };

    var remove = function (parent, child) {
        if (child && parent && child.parentNode === parent) {
            parent.removeChild(child);
        }
    };

    var getZIndex = function (zlevel, z, z2) {
        // z 的取值范围为 [0, 1000]
        return (parseFloat(zlevel) || 0) * ZLEVEL_BASE + (parseFloat(z) || 0) * Z_BASE + z2;
    };

    var parsePercent$3 = function (value, maxValue) {
        if (typeof value === 'string') {
            if (value.lastIndexOf('%') >= 0) {
                return parseFloat(value) / 100 * maxValue;
            }
            return parseFloat(value);
        }
        return value;
    };

    /***************************************************
     * PATH
     **************************************************/

    var setColorAndOpacity = function (el, color, opacity) {
        var colorArr = parse(color);
        opacity = +opacity;
        if (isNaN(opacity)) {
            opacity = 1;
        }
        if (colorArr) {
            el.color = rgb2Str(colorArr[0], colorArr[1], colorArr[2]);
            el.opacity = opacity * colorArr[3];
        }
    };

    var getColorAndAlpha = function (color) {
        var colorArr = parse(color);
        return [
            rgb2Str(colorArr[0], colorArr[1], colorArr[2]),
            colorArr[3]
        ];
    };

    var updateFillNode = function (el, style, zrEl) {
        // TODO pattern
        var fill = style.fill;
        if (fill != null) {
            // Modified from excanvas
            if (fill instanceof Gradient) {
                var gradientType;
                var angle = 0;
                var focus = [0, 0];
                // additional offset
                var shift = 0;
                // scale factor for offset
                var expansion = 1;
                var rect = zrEl.getBoundingRect();
                var rectWidth = rect.width;
                var rectHeight = rect.height;
                if (fill.type === 'linear') {
                    gradientType = 'gradient';
                    var transform = zrEl.transform;
                    var p0 = [fill.x * rectWidth, fill.y * rectHeight];
                    var p1 = [fill.x2 * rectWidth, fill.y2 * rectHeight];
                    if (transform) {
                        applyTransform(p0, p0, transform);
                        applyTransform(p1, p1, transform);
                    }
                    var dx = p1[0] - p0[0];
                    var dy = p1[1] - p0[1];
                    angle = Math.atan2(dx, dy) * 180 / Math.PI;
                    // The angle should be a non-negative number.
                    if (angle < 0) {
                        angle += 360;
                    }

                    // Very small angles produce an unexpected result because they are
                    // converted to a scientific notation string.
                    if (angle < 1e-6) {
                        angle = 0;
                    }
                }
                else {
                    gradientType = 'gradientradial';
                    var p0 = [fill.x * rectWidth, fill.y * rectHeight];
                    var transform = zrEl.transform;
                    var scale$$1 = zrEl.scale;
                    var width = rectWidth;
                    var height = rectHeight;
                    focus = [
                        // Percent in bounding rect
                        (p0[0] - rect.x) / width,
                        (p0[1] - rect.y) / height
                    ];
                    if (transform) {
                        applyTransform(p0, p0, transform);
                    }

                    width /= scale$$1[0] * Z;
                    height /= scale$$1[1] * Z;
                    var dimension = mathMax$5(width, height);
                    shift = 2 * 0 / dimension;
                    expansion = 2 * fill.r / dimension - shift;
                }

                // We need to sort the color stops in ascending order by offset,
                // otherwise IE won't interpret it correctly.
                var stops = fill.colorStops.slice();
                stops.sort(function(cs1, cs2) {
                    return cs1.offset - cs2.offset;
                });

                var length$$1 = stops.length;
                // Color and alpha list of first and last stop
                var colorAndAlphaList = [];
                var colors = [];
                for (var i = 0; i < length$$1; i++) {
                    var stop = stops[i];
                    var colorAndAlpha = getColorAndAlpha(stop.color);
                    colors.push(stop.offset * expansion + shift + ' ' + colorAndAlpha[0]);
                    if (i === 0 || i === length$$1 - 1) {
                        colorAndAlphaList.push(colorAndAlpha);
                    }
                }

                if (length$$1 >= 2) {
                    var color1 = colorAndAlphaList[0][0];
                    var color2 = colorAndAlphaList[1][0];
                    var opacity1 = colorAndAlphaList[0][1] * style.opacity;
                    var opacity2 = colorAndAlphaList[1][1] * style.opacity;

                    el.type = gradientType;
                    el.method = 'none';
                    el.focus = '100%';
                    el.angle = angle;
                    el.color = color1;
                    el.color2 = color2;
                    el.colors = colors.join(',');
                    // When colors attribute is used, the meanings of opacity and o:opacity2
                    // are reversed.
                    el.opacity = opacity2;
                    // FIXME g_o_:opacity ?
                    el.opacity2 = opacity1;
                }
                if (gradientType === 'radial') {
                    el.focusposition = focus.join(',');
                }
            }
            else {
                // FIXME Change from Gradient fill to color fill
                setColorAndOpacity(el, fill, style.opacity);
            }
        }
    };

    var updateStrokeNode = function (el, style) {
        // if (style.lineJoin != null) {
        //     el.joinstyle = style.lineJoin;
        // }
        // if (style.miterLimit != null) {
        //     el.miterlimit = style.miterLimit * Z;
        // }
        // if (style.lineCap != null) {
        //     el.endcap = style.lineCap;
        // }
        if (style.lineDash != null) {
            el.dashstyle = style.lineDash.join(' ');
        }
        if (style.stroke != null && !(style.stroke instanceof Gradient)) {
            setColorAndOpacity(el, style.stroke, style.opacity);
        }
    };

    var updateFillAndStroke = function (vmlEl, type, style, zrEl) {
        var isFill = type == 'fill';
        var el = vmlEl.getElementsByTagName(type)[0];
        // Stroke must have lineWidth
        if (style[type] != null && style[type] !== 'none' && (isFill || (!isFill && style.lineWidth))) {
            vmlEl[isFill ? 'filled' : 'stroked'] = 'true';
            // FIXME Remove before updating, or set `colors` will throw error
            if (style[type] instanceof Gradient) {
                remove(vmlEl, el);
            }
            if (!el) {
                el = createNode(type);
            }

            isFill ? updateFillNode(el, style, zrEl) : updateStrokeNode(el, style);
            append(vmlEl, el);
        }
        else {
            vmlEl[isFill ? 'filled' : 'stroked'] = 'false';
            remove(vmlEl, el);
        }
    };

    var points$1 = [[], [], []];
    var pathDataToString = function (path, m) {
        var M = CMD$3.M;
        var C = CMD$3.C;
        var L = CMD$3.L;
        var A = CMD$3.A;
        var Q = CMD$3.Q;

        var str = [];
        var nPoint;
        var cmdStr;
        var cmd;
        var i;
        var xi;
        var yi;
        var data = path.data;
        var dataLength = path.len();
        for (i = 0; i < dataLength;) {
            cmd = data[i++];
            cmdStr = '';
            nPoint = 0;
            switch (cmd) {
                case M:
                    cmdStr = ' m ';
                    nPoint = 1;
                    xi = data[i++];
                    yi = data[i++];
                    points$1[0][0] = xi;
                    points$1[0][1] = yi;
                    break;
                case L:
                    cmdStr = ' l ';
                    nPoint = 1;
                    xi = data[i++];
                    yi = data[i++];
                    points$1[0][0] = xi;
                    points$1[0][1] = yi;
                    break;
                case Q:
                case C:
                    cmdStr = ' c ';
                    nPoint = 3;
                    var x1 = data[i++];
                    var y1 = data[i++];
                    var x2 = data[i++];
                    var y2 = data[i++];
                    var x3;
                    var y3;
                    if (cmd === Q) {
                        // Convert quadratic to cubic using degree elevation
                        x3 = x2;
                        y3 = y2;
                        x2 = (x2 + 2 * x1) / 3;
                        y2 = (y2 + 2 * y1) / 3;
                        x1 = (xi + 2 * x1) / 3;
                        y1 = (yi + 2 * y1) / 3;
                    }
                    else {
                        x3 = data[i++];
                        y3 = data[i++];
                    }
                    points$1[0][0] = x1;
                    points$1[0][1] = y1;
                    points$1[1][0] = x2;
                    points$1[1][1] = y2;
                    points$1[2][0] = x3;
                    points$1[2][1] = y3;

                    xi = x3;
                    yi = y3;
                    break;
                case A:
                    var x = 0;
                    var y = 0;
                    var sx = 1;
                    var sy = 1;
                    var angle = 0;
                    if (m) {
                        // Extract SRT from matrix
                        x = m[4];
                        y = m[5];
                        sx = sqrt(m[0] * m[0] + m[1] * m[1]);
                        sy = sqrt(m[2] * m[2] + m[3] * m[3]);
                        angle = Math.atan2(-m[1] / sy, m[0] / sx);
                    }

                    var cx = data[i++];
                    var cy = data[i++];
                    var rx = data[i++];
                    var ry = data[i++];
                    var startAngle = data[i++] + angle;
                    var endAngle = data[i++] + startAngle + angle;
                    // FIXME
                    // var psi = data[i++];
                    i++;
                    var clockwise = data[i++];

                    var x0 = cx + cos(startAngle) * rx;
                    var y0 = cy + sin(startAngle) * ry;

                    var x1 = cx + cos(endAngle) * rx;
                    var y1 = cy + sin(endAngle) * ry;

                    var type = clockwise ? ' wa ' : ' at ';
                    if (Math.abs(x0 - x1) < 1e-4) {
                        // IE won't render arches drawn counter clockwise if x0 == x1.
                        if (Math.abs(endAngle - startAngle) > 1e-2) {
                            // Offset x0 by 1/80 of a pixel. Use something
                            // that can be represented in binary
                            if (clockwise) {
                                x0 += 270 / Z;
                            }
                        }
                        else {
                            // Avoid case draw full circle
                            if (Math.abs(y0 - cy) < 1e-4) {
                                if ((clockwise && x0 < cx) || (!clockwise && x0 > cx)) {
                                    y1 -= 270 / Z;
                                }
                                else {
                                    y1 += 270 / Z;
                                }
                            }
                            else if ((clockwise && y0 < cy) || (!clockwise && y0 > cy)) {
                                x1 += 270 / Z;
                            }
                            else {
                                x1 -= 270 / Z;
                            }
                        }
                    }
                    str.push(
                        type,
                        round$2(((cx - rx) * sx + x) * Z - Z2), comma,
                        round$2(((cy - ry) * sy + y) * Z - Z2), comma,
                        round$2(((cx + rx) * sx + x) * Z - Z2), comma,
                        round$2(((cy + ry) * sy + y) * Z - Z2), comma,
                        round$2((x0 * sx + x) * Z - Z2), comma,
                        round$2((y0 * sy + y) * Z - Z2), comma,
                        round$2((x1 * sx + x) * Z - Z2), comma,
                        round$2((y1 * sy + y) * Z - Z2)
                    );

                    xi = x1;
                    yi = y1;
                    break;
                case CMD$3.R:
                    var p0 = points$1[0];
                    var p1 = points$1[1];
                    // x0, y0
                    p0[0] = data[i++];
                    p0[1] = data[i++];
                    // x1, y1
                    p1[0] = p0[0] + data[i++];
                    p1[1] = p0[1] + data[i++];

                    if (m) {
                        applyTransform(p0, p0, m);
                        applyTransform(p1, p1, m);
                    }

                    p0[0] = round$2(p0[0] * Z - Z2);
                    p1[0] = round$2(p1[0] * Z - Z2);
                    p0[1] = round$2(p0[1] * Z - Z2);
                    p1[1] = round$2(p1[1] * Z - Z2);
                    str.push(
                        // x0, y0
                        ' m ', p0[0], comma, p0[1],
                        // x1, y0
                        ' l ', p1[0], comma, p0[1],
                        // x1, y1
                        ' l ', p1[0], comma, p1[1],
                        // x0, y1
                        ' l ', p0[0], comma, p1[1]
                    );
                    break;
                case CMD$3.Z:
                    // FIXME Update xi, yi
                    str.push(' x ');
            }

            if (nPoint > 0) {
                str.push(cmdStr);
                for (var k = 0; k < nPoint; k++) {
                    var p = points$1[k];

                    m && applyTransform(p, p, m);
                    // 不 round 会非常慢
                    str.push(
                        round$2(p[0] * Z - Z2), comma, round$2(p[1] * Z - Z2),
                        k < nPoint - 1 ? comma : ''
                    );
                }
            }
        }

        return str.join('');
    };

    // Rewrite the original path method
    Path.prototype.brushVML = function (vmlRoot) {
        var style = this.style;

        var vmlEl = this._vmlEl;
        if (!vmlEl) {
            vmlEl = createNode('shape');
            initRootElStyle(vmlEl);

            this._vmlEl = vmlEl;
        }

        updateFillAndStroke(vmlEl, 'fill', style, this);
        updateFillAndStroke(vmlEl, 'stroke', style, this);

        var m = this.transform;
        var needTransform = m != null;
        var strokeEl = vmlEl.getElementsByTagName('stroke')[0];
        if (strokeEl) {
            var lineWidth = style.lineWidth;
            // Get the line scale.
            // Determinant of this.m_ means how much the area is enlarged by the
            // transformation. So its square root can be used as a scale factor
            // for width.
            if (needTransform && !style.strokeNoScale) {
                var det = m[0] * m[3] - m[1] * m[2];
                lineWidth *= sqrt(abs$1(det));
            }
            strokeEl.weight = lineWidth + 'px';
        }

        var path = this.path || (this.path = new PathProxy());
        if (this.__dirtyPath) {
            path.beginPath();
            this.buildPath(path, this.shape);
            path.toStatic();
            this.__dirtyPath = false;
        }

        vmlEl.path = pathDataToString(path, this.transform);

        vmlEl.style.zIndex = getZIndex(this.zlevel, this.z, this.z2);

        // Append to root
        append(vmlRoot, vmlEl);

        // Text
        if (style.text != null) {
            this.drawRectText(vmlRoot, this.getBoundingRect());
        }
        else {
            this.removeRectText(vmlRoot);
        }
    };

    Path.prototype.onRemove = function (vmlRoot) {
        remove(vmlRoot, this._vmlEl);
        this.removeRectText(vmlRoot);
    };

    Path.prototype.onAdd = function (vmlRoot) {
        append(vmlRoot, this._vmlEl);
        this.appendRectText(vmlRoot);
    };

    /***************************************************
     * IMAGE
     **************************************************/
    var isImage = function (img) {
        // FIXME img instanceof Image 如果 img 是一个字符串的时候，IE8 下会报错
        return (typeof img === 'object') && img.tagName && img.tagName.toUpperCase() === 'IMG';
        // return img instanceof Image;
    };

    // Rewrite the original path method
    ZImage.prototype.brushVML = function (vmlRoot) {
        var style = this.style;
        var image = style.image;

        // Image original width, height
        var ow;
        var oh;

        if (isImage(image)) {
            var src = image.src;
            if (src === this._imageSrc) {
                ow = this._imageWidth;
                oh = this._imageHeight;
            }
            else {
                var imageRuntimeStyle = image.runtimeStyle;
                var oldRuntimeWidth = imageRuntimeStyle.width;
                var oldRuntimeHeight = imageRuntimeStyle.height;
                imageRuntimeStyle.width = 'auto';
                imageRuntimeStyle.height = 'auto';

                // get the original size
                ow = image.width;
                oh = image.height;

                // and remove overides
                imageRuntimeStyle.width = oldRuntimeWidth;
                imageRuntimeStyle.height = oldRuntimeHeight;

                // Caching image original width, height and src
                this._imageSrc = src;
                this._imageWidth = ow;
                this._imageHeight = oh;
            }
            image = src;
        }
        else {
            if (image === this._imageSrc) {
                ow = this._imageWidth;
                oh = this._imageHeight;
            }
        }
        if (!image) {
            return;
        }

        var x = style.x || 0;
        var y = style.y || 0;

        var dw = style.width;
        var dh = style.height;

        var sw = style.sWidth;
        var sh = style.sHeight;
        var sx = style.sx || 0;
        var sy = style.sy || 0;

        var hasCrop = sw && sh;

        var vmlEl = this._vmlEl;
        if (!vmlEl) {
            // FIXME 使用 group 在 left, top 都不是 0 的时候就无法显示了。
            // vmlEl = vmlCore.createNode('group');
            vmlEl = doc.createElement('div');
            initRootElStyle(vmlEl);

            this._vmlEl = vmlEl;
        }

        var vmlElStyle = vmlEl.style;
        var hasRotation = false;
        var m;
        var scaleX = 1;
        var scaleY = 1;
        if (this.transform) {
            m = this.transform;
            scaleX = sqrt(m[0] * m[0] + m[1] * m[1]);
            scaleY = sqrt(m[2] * m[2] + m[3] * m[3]);

            hasRotation = m[1] || m[2];
        }
        if (hasRotation) {
            // If filters are necessary (rotation exists), create them
            // filters are bog-slow, so only create them if abbsolutely necessary
            // The following check doesn't account for skews (which don't exist
            // in the canvas spec (yet) anyway.
            // From excanvas
            var p0 = [x, y];
            var p1 = [x + dw, y];
            var p2 = [x, y + dh];
            var p3 = [x + dw, y + dh];
            applyTransform(p0, p0, m);
            applyTransform(p1, p1, m);
            applyTransform(p2, p2, m);
            applyTransform(p3, p3, m);

            var maxX = mathMax$5(p0[0], p1[0], p2[0], p3[0]);
            var maxY = mathMax$5(p0[1], p1[1], p2[1], p3[1]);

            var transformFilter = [];
            transformFilter.push('M11=', m[0] / scaleX, comma,
                        'M12=', m[2] / scaleY, comma,
                        'M21=', m[1] / scaleX, comma,
                        'M22=', m[3] / scaleY, comma,
                        'Dx=', round$2(x * scaleX + m[4]), comma,
                        'Dy=', round$2(y * scaleY + m[5]));

            vmlElStyle.padding = '0 ' + round$2(maxX) + 'px ' + round$2(maxY) + 'px 0';
            // FIXME DXImageTransform 在 IE11 的兼容模式下不起作用
            vmlElStyle.filter = imageTransformPrefix + '.Matrix('
                + transformFilter.join('') + ', SizingMethod=clip)';

        }
        else {
            if (m) {
                x = x * scaleX + m[4];
                y = y * scaleY + m[5];
            }
            vmlElStyle.filter = '';
            vmlElStyle.left = round$2(x) + 'px';
            vmlElStyle.top = round$2(y) + 'px';
        }

        var imageEl = this._imageEl;
        var cropEl = this._cropEl;

        if (!imageEl) {
            imageEl = doc.createElement('div');
            this._imageEl = imageEl;
        }
        var imageELStyle = imageEl.style;
        if (hasCrop) {
            // Needs know image original width and height
            if (! (ow && oh)) {
                var tmpImage = new Image();
                var self = this;
                tmpImage.onload = function () {
                    tmpImage.onload = null;
                    ow = tmpImage.width;
                    oh = tmpImage.height;
                    // Adjust image width and height to fit the ratio destinationSize / sourceSize
                    imageELStyle.width = round$2(scaleX * ow * dw / sw) + 'px';
                    imageELStyle.height = round$2(scaleY * oh * dh / sh) + 'px';

                    // Caching image original width, height and src
                    self._imageWidth = ow;
                    self._imageHeight = oh;
                    self._imageSrc = image;
                };
                tmpImage.src = image;
            }
            else {
                imageELStyle.width = round$2(scaleX * ow * dw / sw) + 'px';
                imageELStyle.height = round$2(scaleY * oh * dh / sh) + 'px';
            }

            if (! cropEl) {
                cropEl = doc.createElement('div');
                cropEl.style.overflow = 'hidden';
                this._cropEl = cropEl;
            }
            var cropElStyle = cropEl.style;
            cropElStyle.width = round$2((dw + sx * dw / sw) * scaleX);
            cropElStyle.height = round$2((dh + sy * dh / sh) * scaleY);
            cropElStyle.filter = imageTransformPrefix + '.Matrix(Dx='
                    + (-sx * dw / sw * scaleX) + ',Dy=' + (-sy * dh / sh * scaleY) + ')';

            if (! cropEl.parentNode) {
                vmlEl.appendChild(cropEl);
            }
            if (imageEl.parentNode != cropEl) {
                cropEl.appendChild(imageEl);
            }
        }
        else {
            imageELStyle.width = round$2(scaleX * dw) + 'px';
            imageELStyle.height = round$2(scaleY * dh) + 'px';

            vmlEl.appendChild(imageEl);

            if (cropEl && cropEl.parentNode) {
                vmlEl.removeChild(cropEl);
                this._cropEl = null;
            }
        }

        var filterStr = '';
        var alpha = style.opacity;
        if (alpha < 1) {
            filterStr += '.Alpha(opacity=' + round$2(alpha * 100) + ') ';
        }
        filterStr += imageTransformPrefix + '.AlphaImageLoader(src=' + image + ', SizingMethod=scale)';

        imageELStyle.filter = filterStr;

        vmlEl.style.zIndex = getZIndex(this.zlevel, this.z, this.z2);

        // Append to root
        append(vmlRoot, vmlEl);

        // Text
        if (style.text != null) {
            this.drawRectText(vmlRoot, this.getBoundingRect());
        }
    };

    ZImage.prototype.onRemove = function (vmlRoot) {
        remove(vmlRoot, this._vmlEl);

        this._vmlEl = null;
        this._cropEl = null;
        this._imageEl = null;

        this.removeRectText(vmlRoot);
    };

    ZImage.prototype.onAdd = function (vmlRoot) {
        append(vmlRoot, this._vmlEl);
        this.appendRectText(vmlRoot);
    };


    /***************************************************
     * TEXT
     **************************************************/

    var DEFAULT_STYLE_NORMAL = 'normal';

    var fontStyleCache = {};
    var fontStyleCacheCount = 0;
    var MAX_FONT_CACHE_SIZE = 100;
    var fontEl = document.createElement('div');

    var getFontStyle = function (fontString) {
        var fontStyle = fontStyleCache[fontString];
        if (!fontStyle) {
            // Clear cache
            if (fontStyleCacheCount > MAX_FONT_CACHE_SIZE) {
                fontStyleCacheCount = 0;
                fontStyleCache = {};
            }

            var style = fontEl.style;
            var fontFamily;
            try {
                style.font = fontString;
                fontFamily = style.fontFamily.split(',')[0];
            }
            catch (e) {
            }

            fontStyle = {
                style: style.fontStyle || DEFAULT_STYLE_NORMAL,
                variant: style.fontVariant || DEFAULT_STYLE_NORMAL,
                weight: style.fontWeight || DEFAULT_STYLE_NORMAL,
                size: parseFloat(style.fontSize || 12) | 0,
                family: fontFamily || 'Microsoft YaHei'
            };

            fontStyleCache[fontString] = fontStyle;
            fontStyleCacheCount++;
        }
        return fontStyle;
    };

    var textMeasureEl;
    // Overwrite measure text method
    $override$1('measureText', function (text, textFont) {
        var doc$$1 = doc;
        if (!textMeasureEl) {
            textMeasureEl = doc$$1.createElement('div');
            textMeasureEl.style.cssText = 'position:absolute;top:-20000px;left:0;'
                + 'padding:0;margin:0;border:none;white-space:pre;';
            doc.body.appendChild(textMeasureEl);
        }

        try {
            textMeasureEl.style.font = textFont;
        } catch (ex) {
            // Ignore failures to set to invalid font.
        }
        textMeasureEl.innerHTML = '';
        // Don't use innerHTML or innerText because they allow markup/whitespace.
        textMeasureEl.appendChild(doc$$1.createTextNode(text));
        return {
            width: textMeasureEl.offsetWidth
        };
    });

    var tmpRect$2 = new BoundingRect();

    var drawRectText = function (vmlRoot, rect, textRect, fromTextEl) {

        var style = this.style;

        // Optimize, avoid normalize every time.
        this.__dirty && normalizeTextStyle(style, true);

        var text = style.text;
        // Convert to string
        text != null && (text += '');
        if (!text) {
            return;
        }

        // Convert rich text to plain text. Rich text is not supported in
        // IE8-, but tags in rich text template will be removed.
        if (style.rich) {
            var contentBlock = parseRichText(text, style);
            text = [];
            for (var i = 0; i < contentBlock.lines.length; i++) {
                var tokens = contentBlock.lines[i].tokens;
                var textLine = [];
                for (var j = 0; j < tokens.length; j++) {
                    textLine.push(tokens[j].text);
                }
                text.push(textLine.join(''));
            }
            text = text.join('\n');
        }

        var x;
        var y;
        var align = style.textAlign;
        var verticalAlign = style.textVerticalAlign;

        var fontStyle = getFontStyle(style.font);
        // FIXME encodeHtmlAttribute ?
        var font = fontStyle.style + ' ' + fontStyle.variant + ' ' + fontStyle.weight + ' '
            + fontStyle.size + 'px "' + fontStyle.family + '"';

        textRect = textRect || getBoundingRect(text, font, align, verticalAlign);

        // Transform rect to view space
        var m = this.transform;
        // Ignore transform for text in other element
        if (m && !fromTextEl) {
            tmpRect$2.copy(rect);
            tmpRect$2.applyTransform(m);
            rect = tmpRect$2;
        }

        if (!fromTextEl) {
            var textPosition = style.textPosition;
            var distance$$1 = style.textDistance;
            // Text position represented by coord
            if (textPosition instanceof Array) {
                x = rect.x + parsePercent$3(textPosition[0], rect.width);
                y = rect.y + parsePercent$3(textPosition[1], rect.height);

                align = align || 'left';
            }
            else {
                var res = adjustTextPositionOnRect(
                    textPosition, rect, distance$$1
                );
                x = res.x;
                y = res.y;

                // Default align and baseline when has textPosition
                align = align || res.textAlign;
                verticalAlign = verticalAlign || res.textVerticalAlign;
            }
        }
        else {
            x = rect.x;
            y = rect.y;
        }

        x = adjustTextX(x, textRect.width, align);
        y = adjustTextY(y, textRect.height, verticalAlign);

        // Force baseline 'middle'
        y += textRect.height / 2;

        // var fontSize = fontStyle.size;
        // 1.75 is an arbitrary number, as there is no info about the text baseline
        // switch (baseline) {
            // case 'hanging':
            // case 'top':
            //     y += fontSize / 1.75;
            //     break;
        //     case 'middle':
        //         break;
        //     default:
        //     // case null:
        //     // case 'alphabetic':
        //     // case 'ideographic':
        //     // case 'bottom':
        //         y -= fontSize / 2.25;
        //         break;
        // }

        // switch (align) {
        //     case 'left':
        //         break;
        //     case 'center':
        //         x -= textRect.width / 2;
        //         break;
        //     case 'right':
        //         x -= textRect.width;
        //         break;
            // case 'end':
                // align = elementStyle.direction == 'ltr' ? 'right' : 'left';
                // break;
            // case 'start':
                // align = elementStyle.direction == 'rtl' ? 'right' : 'left';
                // break;
            // default:
            //     align = 'left';
        // }

        var createNode$$1 = createNode;

        var textVmlEl = this._textVmlEl;
        var pathEl;
        var textPathEl;
        var skewEl;
        if (!textVmlEl) {
            textVmlEl = createNode$$1('line');
            pathEl = createNode$$1('path');
            textPathEl = createNode$$1('textpath');
            skewEl = createNode$$1('skew');

            // FIXME Why here is not cammel case
            // Align 'center' seems wrong
            textPathEl.style['v-text-align'] = 'left';

            initRootElStyle(textVmlEl);

            pathEl.textpathok = true;
            textPathEl.on = true;

            textVmlEl.from = '0 0';
            textVmlEl.to = '1000 0.05';

            append(textVmlEl, skewEl);
            append(textVmlEl, pathEl);
            append(textVmlEl, textPathEl);

            this._textVmlEl = textVmlEl;
        }
        else {
            // 这里是在前面 appendChild 保证顺序的前提下
            skewEl = textVmlEl.firstChild;
            pathEl = skewEl.nextSibling;
            textPathEl = pathEl.nextSibling;
        }

        var coords = [x, y];
        var textVmlElStyle = textVmlEl.style;
        // Ignore transform for text in other element
        if (m && fromTextEl) {
            applyTransform(coords, coords, m);

            skewEl.on = true;

            skewEl.matrix = m[0].toFixed(3) + comma + m[2].toFixed(3) + comma +
            m[1].toFixed(3) + comma + m[3].toFixed(3) + ',0,0';

            // Text position
            skewEl.offset = (round$2(coords[0]) || 0) + ',' + (round$2(coords[1]) || 0);
            // Left top point as origin
            skewEl.origin = '0 0';

            textVmlElStyle.left = '0px';
            textVmlElStyle.top = '0px';
        }
        else {
            skewEl.on = false;
            textVmlElStyle.left = round$2(x) + 'px';
            textVmlElStyle.top = round$2(y) + 'px';
        }

        textPathEl.string = encodeHtmlAttribute(text);
        // TODO
        try {
            textPathEl.style.font = font;
        }
        // Error font format
        catch (e) {}

        updateFillAndStroke(textVmlEl, 'fill', {
            fill: style.textFill,
            opacity: style.opacity
        }, this);
        updateFillAndStroke(textVmlEl, 'stroke', {
            stroke: style.textStroke,
            opacity: style.opacity,
            lineDash: style.lineDash
        }, this);

        textVmlEl.style.zIndex = getZIndex(this.zlevel, this.z, this.z2);

        // Attached to root
        append(vmlRoot, textVmlEl);
    };

    var removeRectText = function (vmlRoot) {
        remove(vmlRoot, this._textVmlEl);
        this._textVmlEl = null;
    };

    var appendRectText = function (vmlRoot) {
        append(vmlRoot, this._textVmlEl);
    };

    var list = [RectText, Displayable, ZImage, Path, Text];

    // In case Displayable has been mixed in RectText
    for (var i$1 = 0; i$1 < list.length; i$1++) {
        var proto$7 = list[i$1].prototype;
        proto$7.drawRectText = drawRectText;
        proto$7.removeRectText = removeRectText;
        proto$7.appendRectText = appendRectText;
    }

    Text.prototype.brushVML = function (vmlRoot) {
        var style = this.style;
        if (style.text != null) {
            this.drawRectText(vmlRoot, {
                x: style.x || 0, y: style.y || 0,
                width: 0, height: 0
            }, this.getBoundingRect(), true);
        }
        else {
            this.removeRectText(vmlRoot);
        }
    };

    Text.prototype.onRemove = function (vmlRoot) {
        this.removeRectText(vmlRoot);
    };

    Text.prototype.onAdd = function (vmlRoot) {
        this.appendRectText(vmlRoot);
    };
}

/**
 * VML Painter.
 *
 * @module zrender/vml/Painter
 */

function parseInt10$1(val) {
    return parseInt(val, 10);
}

/**
 * @alias module:zrender/vml/Painter
 */
function VMLPainter(root, storage) {

    initVML();

    this.root = root;

    this.storage = storage;

    var vmlViewport = document.createElement('div');

    var vmlRoot = document.createElement('div');

    vmlViewport.style.cssText = 'display:inline-block;overflow:hidden;position:relative;width:300px;height:150px;';

    vmlRoot.style.cssText = 'position:absolute;left:0;top:0;';

    root.appendChild(vmlViewport);

    this._vmlRoot = vmlRoot;
    this._vmlViewport = vmlViewport;

    this.resize();

    // Modify storage
    var oldDelFromStorage = storage.delFromStorage;
    var oldAddToStorage = storage.addToStorage;
    storage.delFromStorage = function (el) {
        oldDelFromStorage.call(storage, el);

        if (el) {
            el.onRemove && el.onRemove(vmlRoot);
        }
    };

    storage.addToStorage = function (el) {
        // Displayable already has a vml node
        el.onAdd && el.onAdd(vmlRoot);

        oldAddToStorage.call(storage, el);
    };

    this._firstPaint = true;
}

VMLPainter.prototype = {

    constructor: VMLPainter,

    getType: function () {
        return 'vml';
    },

    /**
     * @return {HTMLDivElement}
     */
    getViewportRoot: function () {
        return this._vmlViewport;
    },

    getViewportRootOffset: function () {
        var viewportRoot = this.getViewportRoot();
        if (viewportRoot) {
            return {
                offsetLeft: viewportRoot.offsetLeft || 0,
                offsetTop: viewportRoot.offsetTop || 0
            };
        }
    },

    /**
     * 刷新
     */
    refresh: function () {

        var list = this.storage.getDisplayList(true, true);

        this._paintList(list);
    },

    _paintList: function (list) {
        var vmlRoot = this._vmlRoot;
        for (var i = 0; i < list.length; i++) {
            var el = list[i];
            if (el.invisible || el.ignore) {
                if (!el.__alreadyNotVisible) {
                    el.onRemove(vmlRoot);
                }
                // Set as already invisible
                el.__alreadyNotVisible = true;
            }
            else {
                if (el.__alreadyNotVisible) {
                    el.onAdd(vmlRoot);
                }
                el.__alreadyNotVisible = false;
                if (el.__dirty) {
                    el.beforeBrush && el.beforeBrush();
                    (el.brushVML || el.brush).call(el, vmlRoot);
                    el.afterBrush && el.afterBrush();
                }
            }
            el.__dirty = false;
        }

        if (this._firstPaint) {
            // Detached from document at first time
            // to avoid page refreshing too many times

            // FIXME 如果每次都先 removeChild 可能会导致一些填充和描边的效果改变
            this._vmlViewport.appendChild(vmlRoot);
            this._firstPaint = false;
        }
    },

    resize: function (width, height) {
        var width = width == null ? this._getWidth() : width;
        var height = height == null ? this._getHeight() : height;

        if (this._width != width || this._height != height) {
            this._width = width;
            this._height = height;

            var vmlViewportStyle = this._vmlViewport.style;
            vmlViewportStyle.width = width + 'px';
            vmlViewportStyle.height = height + 'px';
        }
    },

    dispose: function () {
        this.root.innerHTML = '';

        this._vmlRoot =
        this._vmlViewport =
        this.storage = null;
    },

    getWidth: function () {
        return this._width;
    },

    getHeight: function () {
        return this._height;
    },

    clear: function () {
        if (this._vmlViewport) {
            this.root.removeChild(this._vmlViewport);
        }
    },

    _getWidth: function () {
        var root = this.root;
        var stl = root.currentStyle;

        return ((root.clientWidth || parseInt10$1(stl.width))
                - parseInt10$1(stl.paddingLeft)
                - parseInt10$1(stl.paddingRight)) | 0;
    },

    _getHeight: function () {
        var root = this.root;
        var stl = root.currentStyle;

        return ((root.clientHeight || parseInt10$1(stl.height))
                - parseInt10$1(stl.paddingTop)
                - parseInt10$1(stl.paddingBottom)) | 0;
    }
};

// Not supported methods
function createMethodNotSupport(method) {
    return function () {
        zrLog('In IE8.0 VML mode painter not support method "' + method + '"');
    };
}

// Unsupported methods
each$1([
    'getLayer', 'insertLayer', 'eachLayer', 'eachBuiltinLayer', 'eachOtherLayer', 'getLayers',
    'modLayer', 'delLayer', 'clearLayer', 'toDataURL', 'pathToImage'
], function (name) {
    VMLPainter.prototype[name] = createMethodNotSupport(name);
});

registerPainter('vml', VMLPainter);

var svgURI = 'http://www.w3.org/2000/svg';

function createElement(name) {
    return document.createElementNS(svgURI, name);
}

// TODO
// 1. shadow
// 2. Image: sx, sy, sw, sh

var CMD$4 = PathProxy.CMD;
var arrayJoin = Array.prototype.join;

var NONE = 'none';
var mathRound = Math.round;
var mathSin$3 = Math.sin;
var mathCos$3 = Math.cos;
var PI$3 = Math.PI;
var PI2$5 = Math.PI * 2;
var degree = 180 / PI$3;

var EPSILON$4 = 1e-4;

function round4(val) {
    return mathRound(val * 1e4) / 1e4;
}

function isAroundZero$1(val) {
    return val < EPSILON$4 && val > -EPSILON$4;
}

function pathHasFill(style, isText) {
    var fill = isText ? style.textFill : style.fill;
    return fill != null && fill !== NONE;
}

function pathHasStroke(style, isText) {
    var stroke = isText ? style.textStroke : style.stroke;
    return stroke != null && stroke !== NONE;
}

function setTransform(svgEl, m) {
    if (m) {
        attr(svgEl, 'transform', 'matrix(' + arrayJoin.call(m, ',') + ')');
    }
}

function attr(el, key, val) {
    if (!val || val.type !== 'linear' && val.type !== 'radial') {
        // Don't set attribute for gradient, since it need new dom nodes
        el.setAttribute(key, val);
    }
}

function attrXLink(el, key, val) {
    el.setAttributeNS('http://www.w3.org/1999/xlink', key, val);
}

function bindStyle(svgEl, style, isText) {
    if (pathHasFill(style, isText)) {
        var fill = isText ? style.textFill : style.fill;
        fill = fill === 'transparent' ? NONE : fill;

        /**
         * FIXME:
         * This is a temporary fix for Chrome's clipping bug
         * that happens when a clip-path is referring another one.
         * This fix should be used before Chrome's bug is fixed.
         * For an element that has clip-path, and fill is none,
         * set it to be "rgba(0, 0, 0, 0.002)" will hide the element.
         * Otherwise, it will show black fill color.
         * 0.002 is used because this won't work for alpha values smaller
         * than 0.002.
         *
         * See
         * https://bugs.chromium.org/p/chromium/issues/detail?id=659790
         * for more information.
         */
        if (svgEl.getAttribute('clip-path') !== 'none' && fill === NONE) {
            fill = 'rgba(0, 0, 0, 0.002)';
        }

        attr(svgEl, 'fill', fill);
        attr(svgEl, 'fill-opacity', style.opacity);
    }
    else {
        attr(svgEl, 'fill', NONE);
    }

    if (pathHasStroke(style, isText)) {
        var stroke = isText ? style.textStroke : style.stroke;
        stroke = stroke === 'transparent' ? NONE : stroke;
        attr(svgEl, 'stroke', stroke);
        var strokeWidth = isText
            ? style.textStrokeWidth
            : style.lineWidth;
        var strokeScale = !isText && style.strokeNoScale
            ? style.host.getLineScale()
            : 1;
        attr(svgEl, 'stroke-width', strokeWidth / strokeScale);
        // stroke then fill for text; fill then stroke for others
        attr(svgEl, 'paint-order', isText ? 'stroke' : 'fill');
        attr(svgEl, 'stroke-opacity', style.opacity);
        var lineDash = style.lineDash;
        if (lineDash) {
            attr(svgEl, 'stroke-dasharray', style.lineDash.join(','));
            attr(svgEl, 'stroke-dashoffset', mathRound(style.lineDashOffset || 0));
        }
        else {
            attr(svgEl, 'stroke-dasharray', '');
        }

        // PENDING
        style.lineCap && attr(svgEl, 'stroke-linecap', style.lineCap);
        style.lineJoin && attr(svgEl, 'stroke-linejoin', style.lineJoin);
        style.miterLimit && attr(svgEl, 'stroke-miterlimit', style.miterLimit);
    }
    else {
        attr(svgEl, 'stroke', NONE);
    }
}

/***************************************************
 * PATH
 **************************************************/
function pathDataToString$1(path) {
    var str = [];
    var data = path.data;
    var dataLength = path.len();
    for (var i = 0; i < dataLength;) {
        var cmd = data[i++];
        var cmdStr = '';
        var nData = 0;
        switch (cmd) {
            case CMD$4.M:
                cmdStr = 'M';
                nData = 2;
                break;
            case CMD$4.L:
                cmdStr = 'L';
                nData = 2;
                break;
            case CMD$4.Q:
                cmdStr = 'Q';
                nData = 4;
                break;
            case CMD$4.C:
                cmdStr = 'C';
                nData = 6;
                break;
            case CMD$4.A:
                var cx = data[i++];
                var cy = data[i++];
                var rx = data[i++];
                var ry = data[i++];
                var theta = data[i++];
                var dTheta = data[i++];
                var psi = data[i++];
                var clockwise = data[i++];

                var dThetaPositive = Math.abs(dTheta);
                var isCircle = isAroundZero$1(dThetaPositive - PI2$5)
                    && !isAroundZero$1(dThetaPositive);

                var large = false;
                if (dThetaPositive >= PI2$5) {
                    large = true;
                }
                else if (isAroundZero$1(dThetaPositive)) {
                    large = false;
                }
                else {
                    large = (dTheta > -PI$3 && dTheta < 0 || dTheta > PI$3)
                        === !!clockwise;
                }

                var x0 = round4(cx + rx * mathCos$3(theta));
                var y0 = round4(cy + ry * mathSin$3(theta));

                // It will not draw if start point and end point are exactly the same
                // We need to shift the end point with a small value
                // FIXME A better way to draw circle ?
                if (isCircle) {
                    if (clockwise) {
                        dTheta = PI2$5 - 1e-4;
                    }
                    else {
                        dTheta = -PI2$5 + 1e-4;
                    }

                    large = true;

                    if (i === 9) {
                        // Move to (x0, y0) only when CMD.A comes at the
                        // first position of a shape.
                        // For instance, when drawing a ring, CMD.A comes
                        // after CMD.M, so it's unnecessary to move to
                        // (x0, y0).
                        str.push('M', x0, y0);
                    }
                }

                var x = round4(cx + rx * mathCos$3(theta + dTheta));
                var y = round4(cy + ry * mathSin$3(theta + dTheta));

                // FIXME Ellipse
                str.push('A', round4(rx), round4(ry),
                    mathRound(psi * degree), +large, +clockwise, x, y);
                break;
            case CMD$4.Z:
                cmdStr = 'Z';
                break;
            case CMD$4.R:
                var x = round4(data[i++]);
                var y = round4(data[i++]);
                var w = round4(data[i++]);
                var h = round4(data[i++]);
                str.push(
                    'M', x, y,
                    'L', x + w, y,
                    'L', x + w, y + h,
                    'L', x, y + h,
                    'L', x, y
                );
                break;
        }
        cmdStr && str.push(cmdStr);
        for (var j = 0; j < nData; j++) {
            // PENDING With scale
            str.push(round4(data[i++]));
        }
    }
    return str.join(' ');
}

var svgPath = {};
svgPath.brush = function (el) {
    var style = el.style;

    var svgEl = el.__svgEl;
    if (!svgEl) {
        svgEl = createElement('path');
        el.__svgEl = svgEl;
    }

    if (!el.path) {
        el.createPathProxy();
    }
    var path = el.path;

    if (el.__dirtyPath) {
        path.beginPath();
        el.buildPath(path, el.shape);
        el.__dirtyPath = false;

        var pathStr = pathDataToString$1(path);
        if (pathStr.indexOf('NaN') < 0) {
            // Ignore illegal path, which may happen such in out-of-range
            // data in Calendar series.
            attr(svgEl, 'd', pathStr);
        }
    }

    bindStyle(svgEl, style);
    setTransform(svgEl, el.transform);

    if (style.text != null) {
        svgTextDrawRectText(el, el.getBoundingRect());
    }
};

/***************************************************
 * IMAGE
 **************************************************/
var svgImage = {};
svgImage.brush = function (el) {
    var style = el.style;
    var image = style.image;

    if (image instanceof HTMLImageElement) {
        var src = image.src;
        image = src;
    }
    if (! image) {
        return;
    }

    var x = style.x || 0;
    var y = style.y || 0;

    var dw = style.width;
    var dh = style.height;

    var svgEl = el.__svgEl;
    if (! svgEl) {
        svgEl = createElement('image');
        el.__svgEl = svgEl;
    }

    if (image !== el.__imageSrc) {
        attrXLink(svgEl, 'href', image);
        // Caching image src
        el.__imageSrc = image;
    }

    attr(svgEl, 'width', dw);
    attr(svgEl, 'height', dh);

    attr(svgEl, 'x', x);
    attr(svgEl, 'y', y);

    setTransform(svgEl, el.transform);

    if (style.text != null) {
        svgTextDrawRectText(el, el.getBoundingRect());
    }
};

/***************************************************
 * TEXT
 **************************************************/
var svgText = {};
var tmpRect$3 = new BoundingRect();

var svgTextDrawRectText = function (el, rect, textRect) {
    var style = el.style;

    el.__dirty && normalizeTextStyle(style, true);

    var text = style.text;
    // Convert to string
    if (text == null) {
        // Draw no text only when text is set to null, but not ''
        return;
    }
    else {
        text += '';
    }

    var textSvgEl = el.__textSvgEl;
    if (! textSvgEl) {
        textSvgEl = createElement('text');
        el.__textSvgEl = textSvgEl;
    }

    var x;
    var y;
    var textPosition = style.textPosition;
    var distance = style.textDistance;
    var align = style.textAlign || 'left';

    if (typeof style.fontSize === 'number') {
        style.fontSize += 'px';
    }
    var font = style.font
        || [
            style.fontStyle || '',
            style.fontWeight || '',
            style.fontSize || '',
            style.fontFamily || ''
        ].join(' ')
        || DEFAULT_FONT;

    var verticalAlign = getVerticalAlignForSvg(style.textVerticalAlign);

    textRect = getBoundingRect(text, font, align,
        verticalAlign);

    var lineHeight = textRect.lineHeight;
    // Text position represented by coord
    if (textPosition instanceof Array) {
        x = rect.x + textPosition[0];
        y = rect.y + textPosition[1];
    }
    else {
        var newPos = adjustTextPositionOnRect(
            textPosition, rect, distance
        );
        x = newPos.x;
        y = newPos.y;
        verticalAlign = getVerticalAlignForSvg(newPos.textVerticalAlign);
        align = newPos.textAlign;
    }

    attr(textSvgEl, 'alignment-baseline', verticalAlign);

    if (font) {
        textSvgEl.style.font = font;
    }

    var textPadding = style.textPadding;

    // Make baseline top
    attr(textSvgEl, 'x', x);
    attr(textSvgEl, 'y', y);

    bindStyle(textSvgEl, style, true);
    if (el instanceof Text || el.style.transformText) {
        // Transform text with element
        setTransform(textSvgEl, el.transform);
    }
    else {
        if (el.transform) {
            tmpRect$3.copy(rect);
            tmpRect$3.applyTransform(el.transform);
            rect = tmpRect$3;
        }
        else {
            var pos = el.transformCoordToGlobal(rect.x, rect.y);
            rect.x = pos[0];
            rect.y = pos[1];
        }

        // Text rotation, but no element transform
        var origin = style.textOrigin;
        if (origin === 'center') {
            x = textRect.width / 2 + x;
            y = textRect.height / 2 + y;
        }
        else if (origin) {
            x = origin[0] + x;
            y = origin[1] + y;
        }
        var rotate = -style.textRotation * 180 / Math.PI;
        attr(textSvgEl, 'transform', 'rotate(' + rotate + ','
            + x + ',' + y + ')');
    }

    var textLines = text.split('\n');
    var nTextLines = textLines.length;
    var textAnchor = align;
    // PENDING
    if (textAnchor === 'left')  {
        textAnchor = 'start';
        textPadding && (x += textPadding[3]);
    }
    else if (textAnchor === 'right') {
        textAnchor = 'end';
        textPadding && (x -= textPadding[1]);
    }
    else if (textAnchor === 'center') {
        textAnchor = 'middle';
        textPadding && (x += (textPadding[3] - textPadding[1]) / 2);
    }

    var dy = 0;
    if (verticalAlign === 'baseline') {
        dy = -textRect.height + lineHeight;
        textPadding && (dy -= textPadding[2]);
    }
    else if (verticalAlign === 'middle') {
        dy = (-textRect.height + lineHeight) / 2;
        textPadding && (y += (textPadding[0] - textPadding[2]) / 2);
    }
    else {
        textPadding && (dy += textPadding[0]);
    }

    // Font may affect position of each tspan elements
    if (el.__text !== text || el.__textFont !== font) {
        var tspanList = el.__tspanList || [];
        el.__tspanList = tspanList;
        for (var i = 0; i < nTextLines; i++) {
            // Using cached tspan elements
            var tspan = tspanList[i];
            if (! tspan) {
                tspan = tspanList[i] = createElement('tspan');
                textSvgEl.appendChild(tspan);
                attr(tspan, 'alignment-baseline', verticalAlign);
                attr(tspan, 'text-anchor', textAnchor);
            }
            else {
                tspan.innerHTML = '';
            }
            attr(tspan, 'x', x);
            attr(tspan, 'y', y + i * lineHeight + dy);
            tspan.appendChild(document.createTextNode(textLines[i]));
        }
        // Remove unsed tspan elements
        for (; i < tspanList.length; i++) {
            textSvgEl.removeChild(tspanList[i]);
        }
        tspanList.length = nTextLines;

        el.__text = text;
        el.__textFont = font;
    }
    else if (el.__tspanList.length) {
        // Update span x and y
        var len = el.__tspanList.length;
        for (var i = 0; i < len; ++i) {
            var tspan = el.__tspanList[i];
            if (tspan) {
                attr(tspan, 'x', x);
                attr(tspan, 'y', y + i * lineHeight + dy);
            }
        }
    }
};

function getVerticalAlignForSvg(verticalAlign) {
    if (verticalAlign === 'middle') {
        return 'middle';
    }
    else if (verticalAlign === 'bottom') {
        return 'baseline';
    }
    else {
        return 'hanging';
    }
}

svgText.drawRectText = svgTextDrawRectText;

svgText.brush = function (el) {
    var style = el.style;
    if (style.text != null) {
        // 强制设置 textPosition
        style.textPosition = [0, 0];
        svgTextDrawRectText(el, {
            x: style.x || 0, y: style.y || 0,
            width: 0, height: 0
        }, el.getBoundingRect());
    }
};

// Myers' Diff Algorithm
// Modified from https://github.com/kpdecker/jsdiff/blob/master/src/diff/base.js

function Diff() {}

Diff.prototype = {
    diff: function (oldArr, newArr, equals) {
        if (!equals) {
            equals = function (a, b) {
                return a === b;
            };
        }
        this.equals = equals;

        var self = this;

        oldArr = oldArr.slice();
        newArr = newArr.slice();
        // Allow subclasses to massage the input prior to running
        var newLen = newArr.length;
        var oldLen = oldArr.length;
        var editLength = 1;
        var maxEditLength = newLen + oldLen;
        var bestPath = [{ newPos: -1, components: [] }];

        // Seed editLength = 0, i.e. the content starts with the same values
        var oldPos = this.extractCommon(bestPath[0], newArr, oldArr, 0);
        if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
            var indices = [];
            for (var i = 0; i < newArr.length; i++) {
                indices.push(i);
            }
            // Identity per the equality and tokenizer
            return [{
                indices: indices, count: newArr.length
            }];
        }

        // Main worker method. checks all permutations of a given edit length for acceptance.
        function execEditLength() {
            for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {
                var basePath;
                var addPath = bestPath[diagonalPath - 1];
                var removePath = bestPath[diagonalPath + 1];
                var oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;
                if (addPath) {
                    // No one else is going to attempt to use this value, clear it
                    bestPath[diagonalPath - 1] = undefined;
                }

                var canAdd = addPath && addPath.newPos + 1 < newLen;
                var canRemove = removePath && 0 <= oldPos && oldPos < oldLen;
                if (!canAdd && !canRemove) {
                    // If this path is a terminal then prune
                    bestPath[diagonalPath] = undefined;
                    continue;
                }

                // Select the diagonal that we want to branch from. We select the prior
                // path whose position in the new string is the farthest from the origin
                // and does not pass the bounds of the diff graph
                if (!canAdd || (canRemove && addPath.newPos < removePath.newPos)) {
                    basePath = clonePath(removePath);
                    self.pushComponent(basePath.components, undefined, true);
                }
                else {
                    basePath = addPath;   // No need to clone, we've pulled it from the list
                    basePath.newPos++;
                    self.pushComponent(basePath.components, true, undefined);
                }

                oldPos = self.extractCommon(basePath, newArr, oldArr, diagonalPath);

                // If we have hit the end of both strings, then we are done
                if (basePath.newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
                    return buildValues(self, basePath.components, newArr, oldArr);
                }
                else {
                    // Otherwise track this path as a potential candidate and continue.
                    bestPath[diagonalPath] = basePath;
                }
            }

            editLength++;
        }

        while (editLength <= maxEditLength) {
            var ret = execEditLength();
            if (ret) {
                return ret;
            }
        }
    },

    pushComponent: function (components, added, removed) {
        var last = components[components.length - 1];
        if (last && last.added === added && last.removed === removed) {
            // We need to clone here as the component clone operation is just
            // as shallow array clone
            components[components.length - 1] = {count: last.count + 1, added: added, removed: removed };
        }
        else {
            components.push({count: 1, added: added, removed: removed });
        }
    },
    extractCommon: function (basePath, newArr, oldArr, diagonalPath) {
        var newLen = newArr.length;
        var oldLen = oldArr.length;
        var newPos = basePath.newPos;
        var oldPos = newPos - diagonalPath;
        var commonCount = 0;

        while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newArr[newPos + 1], oldArr[oldPos + 1])) {
            newPos++;
            oldPos++;
            commonCount++;
        }

        if (commonCount) {
            basePath.components.push({count: commonCount});
        }

        basePath.newPos = newPos;
        return oldPos;
    },
    tokenize: function (value) {
        return value.slice();
    },
    join: function (value) {
        return value.slice();
    }
};

function buildValues(diff, components, newArr, oldArr) {
    var componentPos = 0;
    var componentLen = components.length;
    var newPos = 0;
    var oldPos = 0;

    for (; componentPos < componentLen; componentPos++) {
        var component = components[componentPos];
        if (!component.removed) {
            var indices = [];
            for (var i = newPos; i < newPos + component.count; i++) {
                indices.push(i);
            }
            component.indices = indices;
            newPos += component.count;
            // Common case
            if (!component.added) {
                oldPos += component.count;
            }
        }
        else {
            var indices = [];
            for (var i = oldPos; i < oldPos + component.count; i++) {
                indices.push(i);
            }
            component.indices = indices;
            oldPos += component.count;
        }
    }

    return components;
}

function clonePath(path) {
    return { newPos: path.newPos, components: path.components.slice(0) };
}

var arrayDiff = new Diff();

var arrayDiff$1 = function (oldArr, newArr, callback) {
    return arrayDiff.diff(oldArr, newArr, callback);
};

/**
 * @file Manages elements that can be defined in <defs> in SVG,
 *       e.g., gradients, clip path, etc.
 * @author Zhang Wenli
 */

var MARK_UNUSED = '0';
var MARK_USED = '1';

/**
 * Manages elements that can be defined in <defs> in SVG,
 * e.g., gradients, clip path, etc.
 *
 * @class
 * @param {number}          zrId      zrender instance id
 * @param {SVGElement}      svgRoot   root of SVG document
 * @param {string|string[]} tagNames  possible tag names
 * @param {string}          markLabel label name to make if the element
 *                                    is used
 */
function Definable(
    zrId,
    svgRoot,
    tagNames,
    markLabel,
    domName
) {
    this._zrId = zrId;
    this._svgRoot = svgRoot;
    this._tagNames = typeof tagNames === 'string' ? [tagNames] : tagNames;
    this._markLabel = markLabel;
    this._domName = domName || '_dom';

    this.nextId = 0;
}


Definable.prototype.createElement = createElement;


/**
 * Get the <defs> tag for svgRoot; optionally creates one if not exists.
 *
 * @param {boolean} isForceCreating if need to create when not exists
 * @return {SVGDefsElement} SVG <defs> element, null if it doesn't
 * exist and isForceCreating is false
 */
Definable.prototype.getDefs = function (isForceCreating) {
    var svgRoot = this._svgRoot;
    var defs = this._svgRoot.getElementsByTagName('defs');
    if (defs.length === 0) {
        // Not exist
        if (isForceCreating) {
            defs = svgRoot.insertBefore(
                this.createElement('defs'), // Create new tag
                svgRoot.firstChild // Insert in the front of svg
            );
            if (!defs.contains) {
                // IE doesn't support contains method
                defs.contains = function (el) {
                    var children = defs.children;
                    if (!children) {
                        return false;
                    }
                    for (var i = children.length - 1; i >= 0; --i) {
                        if (children[i] === el) {
                            return true;
                        }
                    }
                    return false;
                };
            }
            return defs;
        }
        else {
            return null;
        }
    }
    else {
        return defs[0];
    }
};


/**
 * Update DOM element if necessary.
 *
 * @param {Object|string} element style element. e.g., for gradient,
 *                                it may be '#ccc' or {type: 'linear', ...}
 * @param {Function|undefined} onUpdate update callback
 */
Definable.prototype.update = function (element, onUpdate) {
    if (!element) {
        return;
    }

    var defs = this.getDefs(false);
    if (element[this._domName] && defs.contains(element[this._domName])) {
        // Update DOM
        if (typeof onUpdate === 'function') {
            onUpdate(element);
        }
    }
    else {
        // No previous dom, create new
        var dom = this.add(element);
        if (dom) {
            element[this._domName] = dom;
        }
    }
};


/**
 * Add gradient dom to defs
 *
 * @param {SVGElement} dom DOM to be added to <defs>
 */
Definable.prototype.addDom = function (dom) {
    var defs = this.getDefs(true);
    defs.appendChild(dom);
};


/**
 * Remove DOM of a given element.
 *
 * @param {SVGElement} element element to remove dom
 */
Definable.prototype.removeDom = function (element) {
    var defs = this.getDefs(false);
    if (defs && element[this._domName]) {
        defs.removeChild(element[this._domName]);
        element[this._domName] = null;
    }
};


/**
 * Get DOMs of this element.
 *
 * @return {HTMLDomElement} doms of this defineable elements in <defs>
 */
Definable.prototype.getDoms = function () {
    var defs = this.getDefs(false);
    if (!defs) {
        // No dom when defs is not defined
        return [];
    }

    var doms = [];
    each$1(this._tagNames, function (tagName) {
        var tags = defs.getElementsByTagName(tagName);
        // Note that tags is HTMLCollection, which is array-like
        // rather than real array.
        // So `doms.concat(tags)` add tags as one object.
        doms = doms.concat([].slice.call(tags));
    });

    return doms;
};


/**
 * Mark DOMs to be unused before painting, and clear unused ones at the end
 * of the painting.
 */
Definable.prototype.markAllUnused = function () {
    var doms = this.getDoms();
    var that = this;
    each$1(doms, function (dom) {
        dom[that._markLabel] = MARK_UNUSED;
    });
};


/**
 * Mark a single DOM to be used.
 *
 * @param {SVGElement} dom DOM to mark
 */
Definable.prototype.markUsed = function (dom) {
    if (dom) {
        dom[this._markLabel] = MARK_USED;
    }
};


/**
 * Remove unused DOMs defined in <defs>
 */
Definable.prototype.removeUnused = function () {
    var defs = this.getDefs(false);
    if (!defs) {
        // Nothing to remove
        return;
    }

    var doms = this.getDoms();
    var that = this;
    each$1(doms, function (dom) {
        if (dom[that._markLabel] !== MARK_USED) {
            // Remove gradient
            defs.removeChild(dom);
        }
    });
};


/**
 * Get SVG proxy.
 *
 * @param {Displayable} displayable displayable element
 * @return {Path|Image|Text} svg proxy of given element
 */
Definable.prototype.getSvgProxy = function (displayable) {
    if (displayable instanceof Path) {
        return svgPath;
    }
    else if (displayable instanceof ZImage) {
        return svgImage;
    }
    else if (displayable instanceof Text) {
        return svgText;
    }
    else {
        return svgPath;
    }
};


/**
 * Get text SVG element.
 *
 * @param {Displayable} displayable displayable element
 * @return {SVGElement} SVG element of text
 */
Definable.prototype.getTextSvgElement = function (displayable) {
    return displayable.__textSvgEl;
};


/**
 * Get SVG element.
 *
 * @param {Displayable} displayable displayable element
 * @return {SVGElement} SVG element
 */
Definable.prototype.getSvgElement = function (displayable) {
    return displayable.__svgEl;
};

/**
 * @file Manages SVG gradient elements.
 * @author Zhang Wenli
 */

/**
 * Manages SVG gradient elements.
 *
 * @class
 * @extends Definable
 * @param   {number}     zrId    zrender instance id
 * @param   {SVGElement} svgRoot root of SVG document
 */
function GradientManager(zrId, svgRoot) {
    Definable.call(
        this,
        zrId,
        svgRoot,
        ['linearGradient', 'radialGradient'],
        '__gradient_in_use__'
    );
}


inherits(GradientManager, Definable);


/**
 * Create new gradient DOM for fill or stroke if not exist,
 * but will not update gradient if exists.
 *
 * @param {SvgElement}  svgElement   SVG element to paint
 * @param {Displayable} displayable  zrender displayable element
 */
GradientManager.prototype.addWithoutUpdate = function (
    svgElement,
    displayable
) {
    if (displayable && displayable.style) {
        var that = this;
        each$1(['fill', 'stroke'], function (fillOrStroke) {
            if (displayable.style[fillOrStroke]
                && (displayable.style[fillOrStroke].type === 'linear'
                || displayable.style[fillOrStroke].type === 'radial')
            ) {
                var gradient = displayable.style[fillOrStroke];
                var defs = that.getDefs(true);

                // Create dom in <defs> if not exists
                var dom;
                if (gradient._dom) {
                    // Gradient exists
                    dom = gradient._dom;
                    if (!defs.contains(gradient._dom)) {
                        // _dom is no longer in defs, recreate
                        that.addDom(dom);
                    }
                }
                else {
                    // New dom
                    dom = that.add(gradient);
                }

                that.markUsed(displayable);

                var id = dom.getAttribute('id');
                svgElement.setAttribute(fillOrStroke, 'url(#' + id + ')');
            }
        });
    }
};


/**
 * Add a new gradient tag in <defs>
 *
 * @param   {Gradient} gradient zr gradient instance
 * @return {SVGLinearGradientElement | SVGRadialGradientElement}
 *                            created DOM
 */
GradientManager.prototype.add = function (gradient) {
    var dom;
    if (gradient.type === 'linear') {
        dom = this.createElement('linearGradient');
    }
    else if (gradient.type === 'radial') {
        dom = this.createElement('radialGradient');
    }
    else {
        zrLog('Illegal gradient type.');
        return null;
    }

    // Set dom id with gradient id, since each gradient instance
    // will have no more than one dom element.
    // id may exists before for those dirty elements, in which case
    // id should remain the same, and other attributes should be
    // updated.
    gradient.id = gradient.id || this.nextId++;
    dom.setAttribute('id', 'zr' + this._zrId
        + '-gradient-' + gradient.id);

    this.updateDom(gradient, dom);
    this.addDom(dom);

    return dom;
};


/**
 * Update gradient.
 *
 * @param {Gradient} gradient zr gradient instance
 */
GradientManager.prototype.update = function (gradient) {
    var that = this;
    Definable.prototype.update.call(this, gradient, function () {
        var type = gradient.type;
        var tagName = gradient._dom.tagName;
        if (type === 'linear' && tagName === 'linearGradient'
            || type === 'radial' && tagName === 'radialGradient'
        ) {
            // Gradient type is not changed, update gradient
            that.updateDom(gradient, gradient._dom);
        }
        else {
            // Remove and re-create if type is changed
            that.removeDom(gradient);
            that.add(gradient);
        }
    });
};


/**
 * Update gradient dom
 *
 * @param {Gradient} gradient zr gradient instance
 * @param {SVGLinearGradientElement | SVGRadialGradientElement} dom
 *                            DOM to update
 */
GradientManager.prototype.updateDom = function (gradient, dom) {
    if (gradient.type === 'linear') {
        dom.setAttribute('x1', gradient.x);
        dom.setAttribute('y1', gradient.y);
        dom.setAttribute('x2', gradient.x2);
        dom.setAttribute('y2', gradient.y2);
    }
    else if (gradient.type === 'radial') {
        dom.setAttribute('cx', gradient.x);
        dom.setAttribute('cy', gradient.y);
        dom.setAttribute('r', gradient.r);
    }
    else {
        zrLog('Illegal gradient type.');
        return;
    }

    if (gradient.global) {
        // x1, x2, y1, y2 in range of 0 to canvas width or height
        dom.setAttribute('gradientUnits', 'userSpaceOnUse');
    }
    else {
        // x1, x2, y1, y2 in range of 0 to 1
        dom.setAttribute('gradientUnits', 'objectBoundingBox');
    }

    // Remove color stops if exists
    dom.innerHTML = '';

    // Add color stops
    var colors = gradient.colorStops;
    for (var i = 0, len = colors.length; i < len; ++i) {
        var stop = this.createElement('stop');
        stop.setAttribute('offset', colors[i].offset * 100 + '%');
        stop.setAttribute('stop-color', colors[i].color);
        dom.appendChild(stop);
    }

    // Store dom element in gradient, to avoid creating multiple
    // dom instances for the same gradient element
    gradient._dom = dom;
};

/**
 * Mark a single gradient to be used
 *
 * @param {Displayable} displayable displayable element
 */
GradientManager.prototype.markUsed = function (displayable) {
    if (displayable.style) {
        var gradient = displayable.style.fill;
        if (gradient && gradient._dom) {
            Definable.prototype.markUsed.call(this, gradient._dom);
        }

        gradient = displayable.style.stroke;
        if (gradient && gradient._dom) {
            Definable.prototype.markUsed.call(this, gradient._dom);
        }
    }
};

/**
 * @file Manages SVG clipPath elements.
 * @author Zhang Wenli
 */

/**
 * Manages SVG clipPath elements.
 *
 * @class
 * @extends Definable
 * @param   {number}     zrId    zrender instance id
 * @param   {SVGElement} svgRoot root of SVG document
 */
function ClippathManager(zrId, svgRoot) {
    Definable.call(this, zrId, svgRoot, 'clipPath', '__clippath_in_use__');
}


inherits(ClippathManager, Definable);


/**
 * Update clipPath.
 *
 * @param {Displayable} displayable displayable element
 */
ClippathManager.prototype.update = function (displayable) {
    var svgEl = this.getSvgElement(displayable);
    if (svgEl) {
        this.updateDom(svgEl, displayable.__clipPaths, false);
    }

    var textEl = this.getTextSvgElement(displayable);
    if (textEl) {
        // Make another clipPath for text, since it's transform
        // matrix is not the same with svgElement
        this.updateDom(textEl, displayable.__clipPaths, true);
    }

    this.markUsed(displayable);
};


/**
 * Create an SVGElement of displayable and create a <clipPath> of its
 * clipPath
 *
 * @param {Displayable} parentEl  parent element
 * @param {ClipPath[]}  clipPaths clipPaths of parent element
 * @param {boolean}     isText    if parent element is Text
 */
ClippathManager.prototype.updateDom = function (
    parentEl,
    clipPaths,
    isText
) {
    if (clipPaths && clipPaths.length > 0) {
        // Has clipPath, create <clipPath> with the first clipPath
        var defs = this.getDefs(true);
        var clipPath = clipPaths[0];
        var clipPathEl;
        var id;

        var dom = isText ? '_textDom' : '_dom';

        if (clipPath[dom]) {
            // Use a dom that is already in <defs>
            id = clipPath[dom].getAttribute('id');
            clipPathEl = clipPath[dom];

            // Use a dom that is already in <defs>
            if (!defs.contains(clipPathEl)) {
                // This happens when set old clipPath that has
                // been previously removed
                defs.appendChild(clipPathEl);
            }
        }
        else {
            // New <clipPath>
            id = 'zr' + this._zrId + '-clip-' + this.nextId;
            ++this.nextId;
            clipPathEl = this.createElement('clipPath');
            clipPathEl.setAttribute('id', id);
            defs.appendChild(clipPathEl);

            clipPath[dom] = clipPathEl;
        }

        // Build path and add to <clipPath>
        var svgProxy = this.getSvgProxy(clipPath);
        if (clipPath.transform
            && clipPath.parent.invTransform
            && !isText
        ) {
            /**
             * If a clipPath has a parent with transform, the transform
             * of parent should not be considered when setting transform
             * of clipPath. So we need to transform back from parent's
             * transform, which is done by multiplying parent's inverse
             * transform.
             */
            // Store old transform
            var transform = Array.prototype.slice.call(
                clipPath.transform
            );

            // Transform back from parent, and brush path
            mul$1(
                clipPath.transform,
                clipPath.parent.invTransform,
                clipPath.transform
            );
            svgProxy.brush(clipPath);

            // Set back transform of clipPath
            clipPath.transform = transform;
        }
        else {
            svgProxy.brush(clipPath);
        }

        var pathEl = this.getSvgElement(clipPath);

        clipPathEl.innerHTML = '';
        /**
         * Use `cloneNode()` here to appendChild to multiple parents,
         * which may happend when Text and other shapes are using the same
         * clipPath. Since Text will create an extra clipPath DOM due to
         * different transform rules.
         */
        clipPathEl.appendChild(pathEl.cloneNode());

        parentEl.setAttribute('clip-path', 'url(#' + id + ')');

        if (clipPaths.length > 1) {
            // Make the other clipPaths recursively
            this.updateDom(clipPathEl, clipPaths.slice(1), isText);
        }
    }
    else {
        // No clipPath
        if (parentEl) {
            parentEl.setAttribute('clip-path', 'none');
        }
    }
};

/**
 * Mark a single clipPath to be used
 *
 * @param {Displayable} displayable displayable element
 */
ClippathManager.prototype.markUsed = function (displayable) {
    var that = this;
    if (displayable.__clipPaths && displayable.__clipPaths.length > 0) {
        each$1(displayable.__clipPaths, function (clipPath) {
            if (clipPath._dom) {
                Definable.prototype.markUsed.call(that, clipPath._dom);
            }
            if (clipPath._textDom) {
                Definable.prototype.markUsed.call(that, clipPath._textDom);
            }
        });
    }
};

/**
 * @file Manages SVG shadow elements.
 * @author Zhang Wenli
 */

/**
 * Manages SVG shadow elements.
 *
 * @class
 * @extends Definable
 * @param   {number}     zrId    zrender instance id
 * @param   {SVGElement} svgRoot root of SVG document
 */
function ShadowManager(zrId, svgRoot) {
    Definable.call(
        this,
        zrId,
        svgRoot,
        ['filter'],
        '__filter_in_use__',
        '_shadowDom'
    );
}


inherits(ShadowManager, Definable);


/**
 * Create new shadow DOM for fill or stroke if not exist,
 * but will not update shadow if exists.
 *
 * @param {SvgElement}  svgElement   SVG element to paint
 * @param {Displayable} displayable  zrender displayable element
 */
ShadowManager.prototype.addWithoutUpdate = function (
    svgElement,
    displayable
) {
    if (displayable && hasShadow(displayable.style)) {
        var style = displayable.style;

        // Create dom in <defs> if not exists
        var dom;
        if (style._shadowDom) {
            // Gradient exists
            dom = style._shadowDom;

            var defs = this.getDefs(true);
            if (!defs.contains(style._shadowDom)) {
                // _shadowDom is no longer in defs, recreate
                this.addDom(dom);
            }
        }
        else {
            // New dom
            dom = this.add(displayable);
        }

        this.markUsed(displayable);

        var id = dom.getAttribute('id');
        svgElement.style.filter = 'url(#' + id + ')';
    }
};


/**
 * Add a new shadow tag in <defs>
 *
 * @param {Displayable} displayable  zrender displayable element
 * @return {SVGFilterElement} created DOM
 */
ShadowManager.prototype.add = function (displayable) {
    var dom = this.createElement('filter');
    var style = displayable.style;

    // Set dom id with shadow id, since each shadow instance
    // will have no more than one dom element.
    // id may exists before for those dirty elements, in which case
    // id should remain the same, and other attributes should be
    // updated.
    style._shadowDomId = style._shadowDomId || this.nextId++;
    dom.setAttribute('id', 'zr' + this._zrId
        + '-shadow-' + style._shadowDomId);

    this.updateDom(displayable, dom);
    this.addDom(dom);

    return dom;
};


/**
 * Update shadow.
 *
 * @param {Displayable} displayable  zrender displayable element
 */
ShadowManager.prototype.update = function (svgElement, displayable) {
    var style = displayable.style;
    if (hasShadow(style)) {
        var that = this;
        Definable.prototype.update.call(this, displayable, function (style) {
            that.updateDom(displayable, style._shadowDom);
        });
    }
    else {
        // Remove shadow
        this.remove(svgElement, style);
    }
};


/**
 * Remove DOM and clear parent filter
 */
ShadowManager.prototype.remove = function (svgElement, style) {
    if (style._shadowDomId != null) {
        this.removeDom(style);
        svgElement.style.filter = '';
    }
};


/**
 * Update shadow dom
 *
 * @param {Displayable} displayable  zrender displayable element
 * @param {SVGFilterElement} dom DOM to update
 */
ShadowManager.prototype.updateDom = function (displayable, dom) {
    var domChild = dom.getElementsByTagName('feDropShadow');
    if (domChild.length === 0) {
        domChild = this.createElement('feDropShadow');
    }
    else {
        domChild = domChild[0];
    }

    var style = displayable.style;
    var scaleX = displayable.scale ? (displayable.scale[0] || 1) : 1;
    var scaleY = displayable.scale ? (displayable.scale[1] || 1) : 1;

    // TODO: textBoxShadowBlur is not supported yet
    var offsetX, offsetY, blur, color;
    if (style.shadowBlur || style.shadowOffsetX || style.shadowOffsetY) {
        offsetX = style.shadowOffsetX || 0;
        offsetY = style.shadowOffsetY || 0;
        blur = style.shadowBlur;
        color = style.shadowColor;
    }
    else if (style.textShadowBlur) {
        offsetX = style.textShadowOffsetX || 0;
        offsetY = style.textShadowOffsetY || 0;
        blur = style.textShadowBlur;
        color = style.textShadowColor;
    }
    else {
        // Remove shadow
        this.removeDom(dom, style);
        return;
    }

    domChild.setAttribute('dx', offsetX / scaleX);
    domChild.setAttribute('dy', offsetY / scaleY);
    domChild.setAttribute('flood-color', color);

    // Divide by two here so that it looks the same as in canvas
    // See: https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-shadowblur
    var stdDx = blur / 2 / scaleX;
    var stdDy = blur / 2 / scaleY;
    var stdDeviation = stdDx + ' ' + stdDy;
    domChild.setAttribute('stdDeviation', stdDeviation);

    // Fix filter clipping problem
    dom.setAttribute('x', '-100%');
    dom.setAttribute('y', '-100%');
    dom.setAttribute('width', Math.ceil(blur / 2 * 200) + '%');
    dom.setAttribute('height', Math.ceil(blur / 2 * 200) + '%');

    dom.appendChild(domChild);

    // Store dom element in shadow, to avoid creating multiple
    // dom instances for the same shadow element
    style._shadowDom = dom;
};

/**
 * Mark a single shadow to be used
 *
 * @param {Displayable} displayable displayable element
 */
ShadowManager.prototype.markUsed = function (displayable) {
    var style = displayable.style;
    if (style && style._shadowDom) {
        Definable.prototype.markUsed.call(this, style._shadowDom);
    }
};

function hasShadow(style) {
    // TODO: textBoxShadowBlur is not supported yet
    return style
        && (style.shadowBlur || style.shadowOffsetX || style.shadowOffsetY
            || style.textShadowBlur || style.textShadowOffsetX
            || style.textShadowOffsetY);
}

/**
 * SVG Painter
 * @module zrender/svg/Painter
 */

function parseInt10$2(val) {
    return parseInt(val, 10);
}

function getSvgProxy(el) {
    if (el instanceof Path) {
        return svgPath;
    }
    else if (el instanceof ZImage) {
        return svgImage;
    }
    else if (el instanceof Text) {
        return svgText;
    }
    else {
        return svgPath;
    }
}

function checkParentAvailable(parent, child) {
    return child && parent && child.parentNode !== parent;
}

function insertAfter(parent, child, prevSibling) {
    if (checkParentAvailable(parent, child) && prevSibling) {
        var nextSibling = prevSibling.nextSibling;
        nextSibling ? parent.insertBefore(child, nextSibling)
            : parent.appendChild(child);
    }
}

function prepend(parent, child) {
    if (checkParentAvailable(parent, child)) {
        var firstChild = parent.firstChild;
        firstChild ? parent.insertBefore(child, firstChild)
            : parent.appendChild(child);
    }
}

function remove$1(parent, child) {
    if (child && parent && child.parentNode === parent) {
        parent.removeChild(child);
    }
}

function getTextSvgElement(displayable) {
    return displayable.__textSvgEl;
}

function getSvgElement(displayable) {
    return displayable.__svgEl;
}

/**
 * @alias module:zrender/svg/Painter
 * @constructor
 * @param {HTMLElement} root 绘图容器
 * @param {module:zrender/Storage} storage
 * @param {Object} opts
 */
var SVGPainter = function (root, storage, opts, zrId) {

    this.root = root;
    this.storage = storage;
    this._opts = opts = extend({}, opts || {});

    var svgRoot = createElement('svg');
    svgRoot.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
    svgRoot.setAttribute('version', '1.1');
    svgRoot.setAttribute('baseProfile', 'full');
    svgRoot.style.cssText = 'user-select:none;position:absolute;left:0;top:0;';

    this.gradientManager = new GradientManager(zrId, svgRoot);
    this.clipPathManager = new ClippathManager(zrId, svgRoot);
    this.shadowManager = new ShadowManager(zrId, svgRoot);

    var viewport = document.createElement('div');
    viewport.style.cssText = 'overflow:hidden;position:relative';

    this._svgRoot = svgRoot;
    this._viewport = viewport;

    root.appendChild(viewport);
    viewport.appendChild(svgRoot);

    this.resize(opts.width, opts.height);

    this._visibleList = [];
};

SVGPainter.prototype = {

    constructor: SVGPainter,

    getType: function () {
        return 'svg';
    },

    getViewportRoot: function () {
        return this._viewport;
    },

    getViewportRootOffset: function () {
        var viewportRoot = this.getViewportRoot();
        if (viewportRoot) {
            return {
                offsetLeft: viewportRoot.offsetLeft || 0,
                offsetTop: viewportRoot.offsetTop || 0
            };
        }
    },

    refresh: function () {

        var list = this.storage.getDisplayList(true);

        this._paintList(list);
    },

    setBackgroundColor: function (backgroundColor) {
        // TODO gradient
        this._viewport.style.background = backgroundColor;
    },

    _paintList: function (list) {
        this.gradientManager.markAllUnused();
        this.clipPathManager.markAllUnused();
        this.shadowManager.markAllUnused();

        var svgRoot = this._svgRoot;
        var visibleList = this._visibleList;
        var listLen = list.length;

        var newVisibleList = [];
        var i;
        for (i = 0; i < listLen; i++) {
            var displayable = list[i];
            var svgProxy = getSvgProxy(displayable);
            var svgElement = getSvgElement(displayable)
                || getTextSvgElement(displayable);
            if (!displayable.invisible) {
                if (displayable.__dirty) {
                    svgProxy && svgProxy.brush(displayable);

                    // Update clipPath
                    this.clipPathManager.update(displayable);

                    // Update gradient and shadow
                    if (displayable.style) {
                        this.gradientManager
                            .update(displayable.style.fill);
                        this.gradientManager
                            .update(displayable.style.stroke);

                        this.shadowManager
                            .update(svgElement, displayable);
                    }

                    displayable.__dirty = false;
                }
                newVisibleList.push(displayable);
            }
        }

        var diff = arrayDiff$1(visibleList, newVisibleList);
        var prevSvgElement;

        // First do remove, in case element moved to the head and do remove
        // after add
        for (i = 0; i < diff.length; i++) {
            var item = diff[i];
            if (item.removed) {
                for (var k = 0; k < item.count; k++) {
                    var displayable = visibleList[item.indices[k]];
                    var svgElement = getSvgElement(displayable);
                    var textSvgElement = getTextSvgElement(displayable);
                    remove$1(svgRoot, svgElement);
                    remove$1(svgRoot, textSvgElement);
                }
            }
        }
        for (i = 0; i < diff.length; i++) {
            var item = diff[i];
            if (item.added) {
                for (var k = 0; k < item.count; k++) {
                    var displayable = newVisibleList[item.indices[k]];
                    var svgElement = getSvgElement(displayable);
                    var textSvgElement = getTextSvgElement(displayable);
                    prevSvgElement
                        ? insertAfter(svgRoot, svgElement, prevSvgElement)
                        : prepend(svgRoot, svgElement);
                    if (svgElement) {
                        insertAfter(svgRoot, textSvgElement, svgElement);
                    }
                    else if (prevSvgElement) {
                        insertAfter(
                            svgRoot, textSvgElement, prevSvgElement
                        );
                    }
                    else {
                        prepend(svgRoot, textSvgElement);
                    }
                    // Insert text
                    insertAfter(svgRoot, textSvgElement, svgElement);
                    prevSvgElement = textSvgElement || svgElement
                        || prevSvgElement;

                    this.gradientManager
                        .addWithoutUpdate(svgElement, displayable);
                    this.shadowManager
                        .addWithoutUpdate(prevSvgElement, displayable);
                    this.clipPathManager.markUsed(displayable);
                }
            }
            else if (!item.removed) {
                for (var k = 0; k < item.count; k++) {
                    var displayable = newVisibleList[item.indices[k]];
                    prevSvgElement
                        = svgElement
                        = getTextSvgElement(displayable)
                        || getSvgElement(displayable)
                        || prevSvgElement;

                    this.gradientManager.markUsed(displayable);
                    this.gradientManager
                        .addWithoutUpdate(svgElement, displayable);

                    this.shadowManager.markUsed(displayable);
                    this.shadowManager
                        .addWithoutUpdate(svgElement, displayable);

                    this.clipPathManager.markUsed(displayable);
                }
            }
        }

        this.gradientManager.removeUnused();
        this.clipPathManager.removeUnused();
        this.shadowManager.removeUnused();

        this._visibleList = newVisibleList;
    },

    _getDefs: function (isForceCreating) {
        var svgRoot = this._svgRoot;
        var defs = this._svgRoot.getElementsByTagName('defs');
        if (defs.length === 0) {
            // Not exist
            if (isForceCreating) {
                var defs = svgRoot.insertBefore(
                    createElement('defs'), // Create new tag
                    svgRoot.firstChild // Insert in the front of svg
                );
                if (!defs.contains) {
                    // IE doesn't support contains method
                    defs.contains = function (el) {
                        var children = defs.children;
                        if (!children) {
                            return false;
                        }
                        for (var i = children.length - 1; i >= 0; --i) {
                            if (children[i] === el) {
                                return true;
                            }
                        }
                        return false;
                    };
                }
                return defs;
            }
            else {
                return null;
            }
        }
        else {
            return defs[0];
        }
    },

    resize: function (width, height) {
        var viewport = this._viewport;
        // FIXME Why ?
        viewport.style.display = 'none';

        // Save input w/h
        var opts = this._opts;
        width != null && (opts.width = width);
        height != null && (opts.height = height);

        width = this._getSize(0);
        height = this._getSize(1);

        viewport.style.display = '';

        if (this._width !== width || this._height !== height) {
            this._width = width;
            this._height = height;

            var viewportStyle = viewport.style;
            viewportStyle.width = width + 'px';
            viewportStyle.height = height + 'px';

            var svgRoot = this._svgRoot;
            // Set width by 'svgRoot.width = width' is invalid
            svgRoot.setAttribute('width', width);
            svgRoot.setAttribute('height', height);
        }
    },

    /**
     * 获取绘图区域宽度
     */
    getWidth: function () {
        return this._width;
    },

    /**
     * 获取绘图区域高度
     */
    getHeight: function () {
        return this._height;
    },

    _getSize: function (whIdx) {
        var opts = this._opts;
        var wh = ['width', 'height'][whIdx];
        var cwh = ['clientWidth', 'clientHeight'][whIdx];
        var plt = ['paddingLeft', 'paddingTop'][whIdx];
        var prb = ['paddingRight', 'paddingBottom'][whIdx];

        if (opts[wh] != null && opts[wh] !== 'auto') {
            return parseFloat(opts[wh]);
        }

        var root = this.root;
        // IE8 does not support getComputedStyle, but it use VML.
        var stl = document.defaultView.getComputedStyle(root);

        return (
            (root[cwh] || parseInt10$2(stl[wh]) || parseInt10$2(root.style[wh]))
            - (parseInt10$2(stl[plt]) || 0)
            - (parseInt10$2(stl[prb]) || 0)
        ) | 0;
    },

    dispose: function () {
        this.root.innerHTML = '';

        this._svgRoot
            = this._viewport
            = this.storage
            = null;
    },

    clear: function () {
        if (this._viewport) {
            this.root.removeChild(this._viewport);
        }
    },

    pathToDataUrl: function () {
        this.refresh();
        var html = this._svgRoot.outerHTML;
        return 'data:image/svg+xml;charset=UTF-8,' + html;
    }
};

// Not supported methods
function createMethodNotSupport$1(method) {
    return function () {
        zrLog('In SVG mode painter not support method "' + method + '"');
    };
}

// Unsuppoted methods
each$1([
    'getLayer', 'insertLayer', 'eachLayer', 'eachBuiltinLayer',
    'eachOtherLayer', 'getLayers', 'modLayer', 'delLayer', 'clearLayer',
    'toDataURL', 'pathToImage'
], function (name) {
    SVGPainter.prototype[name] = createMethodNotSupport$1(name);
});

registerPainter('svg', SVGPainter);

exports.version = version;
exports.dependencies = dependencies;
exports.PRIORITY = PRIORITY;
exports.init = init;
exports.connect = connect;
exports.disConnect = disConnect;
exports.disconnect = disconnect;
exports.dispose = dispose;
exports.getInstanceByDom = getInstanceByDom;
exports.getInstanceById = getInstanceById;
exports.registerTheme = registerTheme;
exports.registerPreprocessor = registerPreprocessor;
exports.registerProcessor = registerProcessor;
exports.registerPostUpdate = registerPostUpdate;
exports.registerAction = registerAction;
exports.registerCoordinateSystem = registerCoordinateSystem;
exports.getCoordinateSystemDimensions = getCoordinateSystemDimensions;
exports.registerLayout = registerLayout;
exports.registerVisual = registerVisual;
exports.registerLoading = registerLoading;
exports.extendComponentModel = extendComponentModel;
exports.extendComponentView = extendComponentView;
exports.extendSeriesModel = extendSeriesModel;
exports.extendChartView = extendChartView;
exports.setCanvasCreator = setCanvasCreator;
exports.registerMap = registerMap;
exports.getMap = getMap;
exports.dataTool = dataTool;
exports.zrender = zrender;
exports.graphic = graphic;
exports.number = number;
exports.format = format;
exports.throttle = throttle;
exports.helper = helper;
exports.matrix = matrix;
exports.vector = vector;
exports.color = color;
exports.parseGeoJSON = parseGeoJSON;
exports.parseGeoJson = parseGeoJson;
exports.util = ecUtil;
exports.List = List;
exports.Model = Model;
exports.Axis = Axis;
exports.env = env$1;

})));
</ol></code></pre></td>
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          <a rel="nofollow" class="ui green sha label" href="/Kodo/kodo/commit/6e7c94e74409ad647cbf3a7a7f4da5125651843b ">6e7c94e744 </a>
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          <span class="text truncate">MchInfoDecryptLogInfo</span>
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        <td class="text grey right age"><span class="time-since" title="Mon, 17 Sep 2018 12:15:49 CST">преди 8 години</span></td>
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          <a rel="nofollow" class="ui green sha label" href="/Kodo/kodo/commit/5fdb5b42fdbbf8a7ba662f3cda6d08e0687fe5f2 ">5fdb5b42fd </a>
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          <span class="text truncate">Logfile Upload</span>
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        <td class="text grey right age"><span class="time-since" title="Wed, 30 May 2018 11:25:58 CST">преди 8 години</span></td>
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          <a rel="nofollow" class="ui green sha label" href="/Kodo/kodo/commit/55b9749bbe23d8698a3cdec74c4b17575d4fd724 ">55b9749bbe </a>
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        <td class="text grey right age"><span class="time-since" title="Mon, 17 Sep 2018 12:29:31 CST">преди 8 години</span></td>
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          <span class="icon octicon octicon-file-text"></span>
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          <a href="/Kodo/kodo/src/e3ff618d3b3cf1863bdc6d458f81b16c6a94ff31/logs/apps.py" class="text truncate">apps.py</a>
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          <a rel="nofollow" class="ui green sha label" href="/Kodo/kodo/commit/5fdb5b42fdbbf8a7ba662f3cda6d08e0687fe5f2 ">5fdb5b42fd </a>
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        <td class="text grey right age"><span class="time-since" title="Wed, 30 May 2018 11:25:58 CST">преди 8 години</span></td>
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          <span class="icon octicon octicon-file-text"></span>
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          <a href="/Kodo/kodo/src/e3ff618d3b3cf1863bdc6d458f81b16c6a94ff31/logs/models.py" class="text truncate">models.py</a>
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          <a rel="nofollow" class="ui green sha label" href="/Kodo/kodo/commit/6e7c94e74409ad647cbf3a7a7f4da5125651843b ">6e7c94e744 </a>
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          <span class="text truncate">MchInfoDecryptLogInfo</span>
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        <td class="text grey right age"><span class="time-since" title="Mon, 17 Sep 2018 12:15:49 CST">преди 8 години</span></td>
      </tr>
    
      
      
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          <span class="icon octicon octicon-file-text"></span>
        </td>
        <td class="name">
          <a href="/Kodo/kodo/src/e3ff618d3b3cf1863bdc6d458f81b16c6a94ff31/logs/tests.py" class="text truncate">tests.py</a>
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        <td class="sha">
          <a rel="nofollow" class="ui green sha label" href="/Kodo/kodo/commit/5fdb5b42fdbbf8a7ba662f3cda6d08e0687fe5f2 ">5fdb5b42fd </a>
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        <td class="message">
          <span class="text truncate">Logfile Upload</span>
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        <td class="text grey right age"><span class="time-since" title="Wed, 30 May 2018 11:25:58 CST">преди 8 години</span></td>
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      <tr>
        
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          <span class="icon octicon octicon-file-text"></span>
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        <td class="name">
          <a href="/Kodo/kodo/src/e3ff618d3b3cf1863bdc6d458f81b16c6a94ff31/logs/views.py" class="text truncate">views.py</a>
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        <td class="sha">
          <a rel="nofollow" class="ui green sha label" href="/Kodo/kodo/commit/5fdb5b42fdbbf8a7ba662f3cda6d08e0687fe5f2 ">5fdb5b42fd </a>
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        <td class="message">
          <span class="text truncate">Logfile Upload</span>
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        <td class="text grey right age"><span class="time-since" title="Wed, 30 May 2018 11:25:58 CST">преди 8 години</span></td>
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