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307 lines
12 KiB
307 lines
12 KiB
import { createElement } from './core';
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import * as util from '../core/util';
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import Path from '../graphic/Path';
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import ZRImage from '../graphic/Image';
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import TSpan from '../graphic/TSpan';
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import arrayDiff from '../core/arrayDiff';
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import GradientManager from './helper/GradientManager';
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import PatternManager from './helper/PatternManager';
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import ClippathManager, { hasClipPath } from './helper/ClippathManager';
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import ShadowManager from './helper/ShadowManager';
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import { path as svgPath, image as svgImage, text as svgText } from './graphic';
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function parseInt10(val) {
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return parseInt(val, 10);
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}
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function getSvgProxy(el) {
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if (el instanceof Path) {
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return svgPath;
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}
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else if (el instanceof ZRImage) {
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return svgImage;
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}
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else if (el instanceof TSpan) {
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return svgText;
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}
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else {
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return svgPath;
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}
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}
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function checkParentAvailable(parent, child) {
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return child && parent && child.parentNode !== parent;
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}
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function insertAfter(parent, child, prevSibling) {
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if (checkParentAvailable(parent, child) && prevSibling) {
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var nextSibling = prevSibling.nextSibling;
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nextSibling ? parent.insertBefore(child, nextSibling)
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: parent.appendChild(child);
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}
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}
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function prepend(parent, child) {
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if (checkParentAvailable(parent, child)) {
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var firstChild = parent.firstChild;
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firstChild ? parent.insertBefore(child, firstChild)
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: parent.appendChild(child);
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}
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}
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function remove(parent, child) {
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if (child && parent && child.parentNode === parent) {
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parent.removeChild(child);
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}
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}
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function removeFromMyParent(child) {
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if (child && child.parentNode) {
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child.parentNode.removeChild(child);
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}
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}
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function getSvgElement(displayable) {
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return displayable.__svgEl;
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}
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var SVGPainter = (function () {
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function SVGPainter(root, storage, opts, zrId) {
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this.type = 'svg';
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this.refreshHover = createMethodNotSupport('refreshHover');
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this.pathToImage = createMethodNotSupport('pathToImage');
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this.configLayer = createMethodNotSupport('configLayer');
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this.root = root;
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this.storage = storage;
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this._opts = opts = util.extend({}, opts || {});
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var svgDom = createElement('svg');
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svgDom.setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns', 'http://www.w3.org/2000/svg');
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svgDom.setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:xlink', 'http://www.w3.org/1999/xlink');
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svgDom.setAttribute('version', '1.1');
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svgDom.setAttribute('baseProfile', 'full');
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svgDom.style.cssText = 'user-select:none;position:absolute;left:0;top:0;';
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var bgRoot = createElement('g');
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svgDom.appendChild(bgRoot);
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var svgRoot = createElement('g');
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svgDom.appendChild(svgRoot);
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this._gradientManager = new GradientManager(zrId, svgRoot);
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this._patternManager = new PatternManager(zrId, svgRoot);
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this._clipPathManager = new ClippathManager(zrId, svgRoot);
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this._shadowManager = new ShadowManager(zrId, svgRoot);
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var viewport = document.createElement('div');
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viewport.style.cssText = 'overflow:hidden;position:relative';
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this._svgDom = svgDom;
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this._svgRoot = svgRoot;
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this._backgroundRoot = bgRoot;
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this._viewport = viewport;
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root.appendChild(viewport);
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viewport.appendChild(svgDom);
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this.resize(opts.width, opts.height);
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this._visibleList = [];
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}
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SVGPainter.prototype.getType = function () {
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return 'svg';
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};
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SVGPainter.prototype.getViewportRoot = function () {
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return this._viewport;
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};
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SVGPainter.prototype.getSvgDom = function () {
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return this._svgDom;
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};
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SVGPainter.prototype.getSvgRoot = function () {
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return this._svgRoot;
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};
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SVGPainter.prototype.getViewportRootOffset = function () {
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var viewportRoot = this.getViewportRoot();
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if (viewportRoot) {
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return {
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offsetLeft: viewportRoot.offsetLeft || 0,
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offsetTop: viewportRoot.offsetTop || 0
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};
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}
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};
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SVGPainter.prototype.refresh = function () {
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var list = this.storage.getDisplayList(true);
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this._paintList(list);
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};
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SVGPainter.prototype.setBackgroundColor = function (backgroundColor) {
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if (this._backgroundRoot && this._backgroundNode) {
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this._backgroundRoot.removeChild(this._backgroundNode);
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}
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var bgNode = createElement('rect');
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bgNode.setAttribute('width', this.getWidth());
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bgNode.setAttribute('height', this.getHeight());
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bgNode.setAttribute('x', 0);
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bgNode.setAttribute('y', 0);
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bgNode.setAttribute('id', 0);
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bgNode.style.fill = backgroundColor;
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this._backgroundRoot.appendChild(bgNode);
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this._backgroundNode = bgNode;
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};
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SVGPainter.prototype.createSVGElement = function (tag) {
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return createElement(tag);
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};
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SVGPainter.prototype.paintOne = function (el) {
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var svgProxy = getSvgProxy(el);
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svgProxy && svgProxy.brush(el);
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return getSvgElement(el);
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};
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SVGPainter.prototype._paintList = function (list) {
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var gradientManager = this._gradientManager;
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var patternManager = this._patternManager;
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var clipPathManager = this._clipPathManager;
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var shadowManager = this._shadowManager;
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gradientManager.markAllUnused();
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patternManager.markAllUnused();
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clipPathManager.markAllUnused();
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shadowManager.markAllUnused();
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var svgRoot = this._svgRoot;
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var visibleList = this._visibleList;
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var listLen = list.length;
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var newVisibleList = [];
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for (var i = 0; i < listLen; i++) {
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var displayable = list[i];
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var svgProxy = getSvgProxy(displayable);
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var svgElement = getSvgElement(displayable);
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if (!displayable.invisible) {
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if (displayable.__dirty || !svgElement) {
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svgProxy && svgProxy.brush(displayable);
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svgElement = getSvgElement(displayable);
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if (svgElement && displayable.style) {
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gradientManager.update(displayable.style.fill);
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gradientManager.update(displayable.style.stroke);
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patternManager.update(displayable.style.fill);
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patternManager.update(displayable.style.stroke);
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shadowManager.update(svgElement, displayable);
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}
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displayable.__dirty = 0;
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}
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if (svgElement) {
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newVisibleList.push(displayable);
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}
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}
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}
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var diff = arrayDiff(visibleList, newVisibleList);
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var prevSvgElement;
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var topPrevSvgElement;
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for (var i = 0; i < diff.length; i++) {
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var item = diff[i];
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if (item.removed) {
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for (var k = 0; k < item.count; k++) {
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var displayable = visibleList[item.indices[k]];
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var svgElement = getSvgElement(displayable);
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hasClipPath(displayable) ? removeFromMyParent(svgElement)
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: remove(svgRoot, svgElement);
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}
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}
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}
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var prevDisplayable;
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var currentClipGroup;
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for (var i = 0; i < diff.length; i++) {
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var item = diff[i];
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if (item.removed) {
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continue;
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}
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for (var k = 0; k < item.count; k++) {
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var displayable = newVisibleList[item.indices[k]];
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var clipGroup = clipPathManager.update(displayable, prevDisplayable);
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if (clipGroup !== currentClipGroup) {
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prevSvgElement = topPrevSvgElement;
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if (clipGroup) {
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prevSvgElement ? insertAfter(svgRoot, clipGroup, prevSvgElement)
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: prepend(svgRoot, clipGroup);
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topPrevSvgElement = clipGroup;
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prevSvgElement = null;
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}
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currentClipGroup = clipGroup;
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}
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var svgElement = getSvgElement(displayable);
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prevSvgElement
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? insertAfter(currentClipGroup || svgRoot, svgElement, prevSvgElement)
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: prepend(currentClipGroup || svgRoot, svgElement);
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prevSvgElement = svgElement || prevSvgElement;
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if (!currentClipGroup) {
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topPrevSvgElement = prevSvgElement;
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}
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gradientManager.markUsed(displayable);
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gradientManager.addWithoutUpdate(svgElement, displayable);
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patternManager.markUsed(displayable);
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patternManager.addWithoutUpdate(svgElement, displayable);
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clipPathManager.markUsed(displayable);
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prevDisplayable = displayable;
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}
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}
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gradientManager.removeUnused();
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patternManager.removeUnused();
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clipPathManager.removeUnused();
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shadowManager.removeUnused();
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this._visibleList = newVisibleList;
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};
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SVGPainter.prototype.resize = function (width, height) {
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var viewport = this._viewport;
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viewport.style.display = 'none';
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var opts = this._opts;
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width != null && (opts.width = width);
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height != null && (opts.height = height);
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width = this._getSize(0);
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height = this._getSize(1);
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viewport.style.display = '';
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if (this._width !== width || this._height !== height) {
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this._width = width;
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this._height = height;
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var viewportStyle = viewport.style;
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viewportStyle.width = width + 'px';
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viewportStyle.height = height + 'px';
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var svgRoot = this._svgDom;
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svgRoot.setAttribute('width', width + '');
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svgRoot.setAttribute('height', height + '');
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}
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if (this._backgroundNode) {
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this._backgroundNode.setAttribute('width', width);
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this._backgroundNode.setAttribute('height', height);
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}
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};
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SVGPainter.prototype.getWidth = function () {
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return this._width;
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};
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SVGPainter.prototype.getHeight = function () {
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return this._height;
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};
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SVGPainter.prototype._getSize = function (whIdx) {
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var opts = this._opts;
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var wh = ['width', 'height'][whIdx];
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var cwh = ['clientWidth', 'clientHeight'][whIdx];
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var plt = ['paddingLeft', 'paddingTop'][whIdx];
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var prb = ['paddingRight', 'paddingBottom'][whIdx];
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if (opts[wh] != null && opts[wh] !== 'auto') {
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return parseFloat(opts[wh]);
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}
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var root = this.root;
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var stl = document.defaultView.getComputedStyle(root);
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return ((root[cwh] || parseInt10(stl[wh]) || parseInt10(root.style[wh]))
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- (parseInt10(stl[plt]) || 0)
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- (parseInt10(stl[prb]) || 0)) | 0;
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};
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SVGPainter.prototype.dispose = function () {
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this.root.innerHTML = '';
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this._svgRoot
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= this._backgroundRoot
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= this._svgDom
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= this._backgroundNode
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= this._viewport
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= this.storage
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= null;
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};
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SVGPainter.prototype.clear = function () {
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var viewportNode = this._viewport;
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if (viewportNode && viewportNode.parentNode) {
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viewportNode.parentNode.removeChild(viewportNode);
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}
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};
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SVGPainter.prototype.toDataURL = function () {
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this.refresh();
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var svgDom = this._svgDom;
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var outerHTML = svgDom.outerHTML
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|| (svgDom.parentNode && svgDom.parentNode).innerHTML;
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var html = encodeURIComponent(outerHTML.replace(/></g, '>\n\r<'));
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return 'data:image/svg+xml;charset=UTF-8,' + html;
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};
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return SVGPainter;
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}());
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function createMethodNotSupport(method) {
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return function () {
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util.logError('In SVG mode painter not support method "' + method + '"');
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};
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}
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export default SVGPainter;
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