逐步完成前后端服务器

frontend/node_modules/zrender/lib/graphic/Image.js

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+import { __extends } from "tslib";
+import Displayable, { DEFAULT_COMMON_STYLE, DEFAULT_COMMON_ANIMATION_PROPS } from './Displayable.js';
+import BoundingRect from '../core/BoundingRect.js';
+import { defaults, createObject } from '../core/util.js';
+export var DEFAULT_IMAGE_STYLE = defaults({
+    x: 0,
+    y: 0
+}, DEFAULT_COMMON_STYLE);
+export var DEFAULT_IMAGE_ANIMATION_PROPS = {
+    style: defaults({
+        x: true,
+        y: true,
+        width: true,
+        height: true,
+        sx: true,
+        sy: true,
+        sWidth: true,
+        sHeight: true
+    }, DEFAULT_COMMON_ANIMATION_PROPS.style)
+};
+function isImageLike(source) {
+    return !!(source
+        && typeof source !== 'string'
+        && source.width && source.height);
+}
+var ZRImage = (function (_super) {
+    __extends(ZRImage, _super);
+    function ZRImage() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    ZRImage.prototype.createStyle = function (obj) {
+        return createObject(DEFAULT_IMAGE_STYLE, obj);
+    };
+    ZRImage.prototype._getSize = function (dim) {
+        var style = this.style;
+        var size = style[dim];
+        if (size != null) {
+            return size;
+        }
+        var imageSource = isImageLike(style.image)
+            ? style.image : this.__image;
+        if (!imageSource) {
+            return 0;
+        }
+        var otherDim = dim === 'width' ? 'height' : 'width';
+        var otherDimSize = style[otherDim];
+        if (otherDimSize == null) {
+            return imageSource[dim];
+        }
+        else {
+            return imageSource[dim] / imageSource[otherDim] * otherDimSize;
+        }
+    };
+    ZRImage.prototype.getWidth = function () {
+        return this._getSize('width');
+    };
+    ZRImage.prototype.getHeight = function () {
+        return this._getSize('height');
+    };
+    ZRImage.prototype.getAnimationStyleProps = function () {
+        return DEFAULT_IMAGE_ANIMATION_PROPS;
+    };
+    ZRImage.prototype.getBoundingRect = function () {
+        var style = this.style;
+        if (!this._rect) {
+            this._rect = new BoundingRect(style.x || 0, style.y || 0, this.getWidth(), this.getHeight());
+        }
+        return this._rect;
+    };
+    return ZRImage;
+}(Displayable));
+ZRImage.prototype.type = 'image';
+export default ZRImage;