project/node_modules/zrender/lib/svg-legacy/helper/PatternManager.js

128 lines
5.0 KiB
JavaScript

import { __extends } from "tslib";
import Definable from './Definable.js';
import * as zrUtil from '../../core/util.js';
import { createOrUpdateImage } from '../../graphic/helper/image.js';
import WeakMap from '../../core/WeakMap.js';
import { getIdURL, isPattern, isSVGPattern } from '../../svg/helper.js';
import { createElement } from '../../svg/core.js';
var patternDomMap = new WeakMap();
var PatternManager = (function (_super) {
__extends(PatternManager, _super);
function PatternManager(zrId, svgRoot) {
return _super.call(this, zrId, svgRoot, ['pattern'], '__pattern_in_use__') || this;
}
PatternManager.prototype.addWithoutUpdate = function (svgElement, displayable) {
if (displayable && displayable.style) {
var that_1 = this;
zrUtil.each(['fill', 'stroke'], function (fillOrStroke) {
var pattern = displayable.style[fillOrStroke];
if (isPattern(pattern)) {
var defs = that_1.getDefs(true);
var dom = patternDomMap.get(pattern);
if (dom) {
if (!defs.contains(dom)) {
that_1.addDom(dom);
}
}
else {
dom = that_1.add(pattern);
}
that_1.markUsed(displayable);
svgElement.setAttribute(fillOrStroke, getIdURL(dom.getAttribute('id')));
}
});
}
};
PatternManager.prototype.add = function (pattern) {
if (!isPattern(pattern)) {
return;
}
var dom = createElement('pattern');
pattern.id = pattern.id == null ? this.nextId++ : pattern.id;
dom.setAttribute('id', 'zr' + this._zrId
+ '-pattern-' + pattern.id);
dom.setAttribute('patternUnits', 'userSpaceOnUse');
this.updateDom(pattern, dom);
this.addDom(dom);
return dom;
};
PatternManager.prototype.update = function (pattern) {
if (!isPattern(pattern)) {
return;
}
var that = this;
this.doUpdate(pattern, function () {
var dom = patternDomMap.get(pattern);
that.updateDom(pattern, dom);
});
};
PatternManager.prototype.updateDom = function (pattern, patternDom) {
if (isSVGPattern(pattern)) {
}
else {
var img = void 0;
var prevImage = patternDom.getElementsByTagName('image');
if (prevImage.length) {
if (pattern.image) {
img = prevImage[0];
}
else {
patternDom.removeChild(prevImage[0]);
return;
}
}
else if (pattern.image) {
img = createElement('image');
}
if (img) {
var imageSrc = void 0;
var patternImage = pattern.image;
if (typeof patternImage === 'string') {
imageSrc = patternImage;
}
else if (patternImage instanceof HTMLImageElement) {
imageSrc = patternImage.src;
}
else if (patternImage instanceof HTMLCanvasElement) {
imageSrc = patternImage.toDataURL();
}
if (imageSrc) {
img.setAttribute('href', imageSrc);
var hostEl = {
dirty: function () { }
};
var updateSize = function (img) {
patternDom.setAttribute('width', img.width);
patternDom.setAttribute('height', img.height);
};
var createdImage = createOrUpdateImage(imageSrc, img, hostEl, updateSize);
if (createdImage && createdImage.width && createdImage.height) {
updateSize(createdImage);
}
patternDom.appendChild(img);
}
}
}
var x = pattern.x || 0;
var y = pattern.y || 0;
var rotation = (pattern.rotation || 0) / Math.PI * 180;
var scaleX = pattern.scaleX || 1;
var scaleY = pattern.scaleY || 1;
var transform = "translate(" + x + ", " + y + ") rotate(" + rotation + ") scale(" + scaleX + ", " + scaleY + ")";
patternDom.setAttribute('patternTransform', transform);
patternDomMap.set(pattern, patternDom);
};
PatternManager.prototype.markUsed = function (displayable) {
if (displayable.style) {
if (isPattern(displayable.style.fill)) {
_super.prototype.markDomUsed.call(this, patternDomMap.get(displayable.style.fill));
}
if (isPattern(displayable.style.stroke)) {
_super.prototype.markDomUsed.call(this, patternDomMap.get(displayable.style.stroke));
}
}
};
return PatternManager;
}(Definable));
export default PatternManager;