SBaseImageEdit.ts 21 KB

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  1. /*
  2. * *********************************************************************************************************************
  3. *
  4. * !!
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  12. * ./888888N; .R888888Y .'}~ .>}'.`+> i}! "i' +/' .'i~ !11,.:">, .~]! .i}i
  13. * ~888888%: .I888888l .]88~`1/iY88Ii+1'.R$8$8]"888888888> Y8$ W8E X8E W8888'188Il}Y88$*
  14. * 18888888 E8888881 .]W%8$`R8X'&8%++N8i,8N%N8+l8%` .}8N:.R$RE%N88N%N$K$R 188,FE$8%~Y88I
  15. * .E888888I .i8888888' .:$8I;88+`E8R:/8N,.>881.`$8E/1/]N8X.Y8N`"KF&&FK!'88*."88K./$88%RN888+~
  16. * 8888888I .,N888888~ ~88i"8W,!N8*.I88.}888%F,i$88"F88" 888:E8X.>88!i88>`888*.}Fl1]*}1YKi'
  17. * i888888N' I888Y ]88;/EX*IFKFK88X K8R .l8W 88Y ~88}'88E&%8W.X8N``]88!.$8K .:W8I
  18. * .i888888N; I8Y .&8$ .X88! i881.:%888>I88 ;88] +88+.';;;;:.Y88X 18N.,88l .+88/
  19. * .:R888888I
  20. * .&888888I Copyright (c) 2016-2020. 博锐尚格科技股份有限公司
  21. * ~8888'
  22. * .!88~ All rights reserved.
  23. *
  24. * *********************************************************************************************************************
  25. */
  26. import { SPainter, SRect, SSize, SColor, SPoint } from "@persagy-web/draw";
  27. import { SImageShowType, STextOrigin } from "@persagy-web/graph";
  28. import { SGraphItem, SAnchorItem, SLineStyle } from "@persagy-web/graph";
  29. import { SItemStatus } from "@persagy-web/big";
  30. import { SGraphEdit } from "..";
  31. import {
  32. ItemOrder,
  33. Marker,
  34. svgTobase64,
  35. svgUrlTobase64
  36. } from "@persagy-web/big/lib";
  37. import { SMouseEvent } from "@persagy-web/base/lib";
  38. /**
  39. * 图片编辑类
  40. *
  41. * @author 韩耀龙 <han_yao_long@163.com>
  42. */
  43. export class SBaseImageEdit extends SGraphEdit {
  44. //////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  45. //属性
  46. /** item 数据*/
  47. get data(): Marker | null {
  48. return this._data;
  49. } // Get data
  50. set data(v: Marker | null) {
  51. this._data = v;
  52. // 数据存在,则初始化数据
  53. if (v) {
  54. this.initData(v);
  55. this.update();
  56. }
  57. } // Set data
  58. // default url key
  59. defaultUrl: string = "";
  60. /** 起始锚点 */
  61. startItem: SGraphItem | null = null;
  62. /** 结束锚点 */
  63. endItem: SGraphItem | null = null;
  64. /** 图片 */
  65. img: CanvasImageSource | undefined;
  66. /** 展示模式 */
  67. private _showType: SImageShowType = SImageShowType.Full;
  68. get showType(): SImageShowType {
  69. return this._showType;
  70. }
  71. set showType(v: SImageShowType) {
  72. this._showType = v;
  73. this.computeImgSize();
  74. this.update();
  75. }
  76. /** 边框色 */
  77. private _strokeColor: SColor = SColor.Transparent;
  78. get strokeColor(): SColor {
  79. return this._strokeColor;
  80. }
  81. set strokeColor(v: SColor) {
  82. this._strokeColor = v;
  83. this.update();
  84. }
  85. /** 边框宽度 */
  86. private _lineWidth: number = 1;
  87. get lineWidth(): number {
  88. return this._lineWidth;
  89. }
  90. set lineWidth(v: number) {
  91. this._lineWidth = v;
  92. this.update();
  93. }
  94. /** 原点位置 */
  95. private _originPosition: STextOrigin = STextOrigin.LeftTop;
  96. get originPosition(): STextOrigin {
  97. return this._originPosition;
  98. }
  99. set originPosition(v: STextOrigin) {
  100. this._originPosition = v;
  101. this.update();
  102. }
  103. /** 线条样式 */
  104. private _lineStyle: SLineStyle = SLineStyle.Solid;
  105. get lineStyle(): SLineStyle {
  106. return this._lineStyle;
  107. }
  108. set lineStyle(v: SLineStyle) {
  109. this._lineStyle = v;
  110. this.update();
  111. }
  112. // 新增测试属性
  113. _filterColor: string = "";
  114. get filterColor() {
  115. return this._filterColor;
  116. }
  117. set filterColor(v) {
  118. this._filterColor = v;
  119. this.changeSvgColor(v);
  120. }
  121. /** 图片加载是否完成 */
  122. isLoadOver: boolean = false;
  123. /** 图片的宽度 */
  124. private imgWidth: number = this.width;
  125. /** 图片的高度 */
  126. private imgHeight: number = this.height;
  127. /** 图片地址 */
  128. private _url: string = "";
  129. get url(): string {
  130. return this._url;
  131. }
  132. set url(v: string) {
  133. // 处理svg
  134. if (v.endsWith(".svg")) {
  135. this.initSvg(v);
  136. } else {
  137. this.initUrl(v);
  138. }
  139. }
  140. /** svgUrl 字符串 */
  141. svgUrl: string = "";
  142. /** 锚点 list */
  143. anchorList: SAnchorItem[] = [];
  144. /** 宽度 */
  145. private _width: number = 64;
  146. /** 原点 */
  147. origin = new SPoint();
  148. get width(): number {
  149. return this._width;
  150. }
  151. set width(v: number) {
  152. if (v >= 0) {
  153. // 宽度有效
  154. if (v != this._width) {
  155. // 宽度更新
  156. let w = this._width;
  157. this._width = v;
  158. this.onResize(
  159. new SSize(w, this._height),
  160. new SSize(this._width, this._height)
  161. );
  162. }
  163. }
  164. this.update();
  165. } //Set width
  166. /** 高度 */
  167. private _height: number = 64;
  168. get height(): number {
  169. return this._height;
  170. }
  171. set height(v: number) {
  172. if (v >= 0) {
  173. // 高度有效
  174. if (v != this._height) {
  175. // 高度更新
  176. let h = this._height;
  177. this._height = v;
  178. this.onResize(
  179. new SSize(this._width, h),
  180. new SSize(this._width, this._height)
  181. );
  182. }
  183. }
  184. this.update();
  185. } //Set height
  186. /**编辑状态 */
  187. protected _status: SItemStatus = SItemStatus.Normal;
  188. get status(): SItemStatus {
  189. return this._status;
  190. }
  191. set status(value: SItemStatus) {
  192. const oldStatus = this._status;
  193. const newStatus = value;
  194. this._status = value;
  195. //状态变更触发事件
  196. this.$emit("StatusChange", oldStatus, newStatus);
  197. this.update();
  198. }
  199. //////////////////////////////////////////////////////////////////////////////////////////////////////////////
  200. // 函数
  201. /**
  202. * 构造函数
  203. *
  204. * @param parent 指向父对象
  205. * @param data 数据
  206. */
  207. constructor(parent: SGraphItem | null, data: Marker | null = null) {
  208. super(parent);
  209. if (data) {
  210. this.data = data;
  211. }
  212. }
  213. /**
  214. * 如果 data 设置;初始化data
  215. */
  216. initData(data: Marker): void {
  217. this.zOrder = ItemOrder.imageOrder;
  218. // this.isTransform = false;
  219. this.url =
  220. // eslint-disable-next-line max-len
  221. "data:image/png;base64,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";
  222. this.name = data.name;
  223. this.moveTo(data.pos.x, data.pos.y);
  224. if (data.size) {
  225. // 设置 size 宽高
  226. this.width = data.size.width;
  227. this.height = data.size.height;
  228. }
  229. if (data.style && data.style.default) {
  230. // 存在默认 style
  231. if (data.style.default.zorder) {
  232. // 设置层级
  233. this.zOrder = data.style.default.zorder;
  234. }
  235. // 存在默认 style
  236. if (data.style.default.rotate) {
  237. // 设置旋转角度
  238. this.rotate = data.style.default.rotate;
  239. }
  240. // 图片url
  241. if (data.style.default.url) {
  242. this.defaultUrl = data.style.default.url;
  243. }
  244. // 线宽
  245. if (data.style.default.lineWidth) {
  246. this.lineWidth = data.style.default.lineWidth;
  247. }
  248. // 线颜色
  249. if (data.style.default.strokeColor) {
  250. this.strokeColor = new SColor(data.style.default.strokeColor);
  251. }
  252. // 线样式
  253. if (data.style.default.lineStyle) {
  254. this.lineStyle = data.style.default.lineStyle;
  255. }
  256. this.origin = new SPoint(this.width / 2, this.height / 2);
  257. }
  258. } // Function initData()
  259. /**
  260. * 初始化svgurl
  261. *
  262. * @param v url字符串
  263. */
  264. initSvg(v: any): void {
  265. this._url = v;
  266. svgTobase64(this.url)
  267. .then(res => {
  268. this.initUrl(res);
  269. })
  270. .catch(res => {
  271. this.initUrl(res);
  272. });
  273. }
  274. /**
  275. * svg 添加滤镜
  276. *
  277. * @param {*} val 修改svg图对应的色值(矩阵)
  278. */
  279. changeSvgColor(val: string): void {
  280. const parser = new DOMParser();
  281. const doc = parser.parseFromString(this.svgUrl, "text/xml");
  282. const svgDom = doc.children[0];
  283. // @ts-ignore
  284. svgDom.style.filter = "url('#lighten')";
  285. const colorDefs = parser.parseFromString(
  286. `<defs>
  287. <filter id="lighten">
  288. <feColorMatrix
  289. type="matrix"
  290. values=${val}/>
  291. </filter>
  292. </defs>`,
  293. "text/xml"
  294. );
  295. svgDom.appendChild(colorDefs.children[0]);
  296. const a = svgUrlTobase64(svgDom);
  297. this.initUrl(a);
  298. }
  299. /**
  300. * 初始化url
  301. *
  302. * @param v url字符串
  303. */
  304. initUrl(v: any): void {
  305. this._url = v;
  306. this.img = new Image();
  307. this.img.onload = (e): void => {
  308. const isiOS = !!navigator.userAgent.match(
  309. /\(i[^;]+;( U;)? CPU.+Mac OS X/
  310. );
  311. if (isiOS) {
  312. this.isLoadOver = true;
  313. this.computeImgSize();
  314. this.$emit("imgLoadOver");
  315. // 如果有填充色则设置填充色
  316. if (this._filterColor) {
  317. this.changeSvgColor(this._filterColor);
  318. }
  319. this.update();
  320. } else {
  321. // @ts-ignore
  322. const imgSrc = e.path[0].src;
  323. if (this.isUrlIdentical(imgSrc)) {
  324. // 当前地址和回调地址相同
  325. this.isLoadOver = true;
  326. this.computeImgSize();
  327. this.$emit("imgLoadOver");
  328. this.update();
  329. }
  330. }
  331. };
  332. this.img.onerror = (e): void => {
  333. // @ts-ignore
  334. const imgSrc = e.path[0].src;
  335. if (this.isUrlIdentical(imgSrc)) {
  336. // 当前地址和回调地址相同
  337. this.isLoadOver = false;
  338. this.$emit("imgLoadOver");
  339. this.update();
  340. console.log("加载图片错误!", e);
  341. }
  342. };
  343. this.img.src = v;
  344. }
  345. /**
  346. * 将类中得数据转换为方便存储格式的方法
  347. *
  348. * @return 针对 item 类型保持相应的格式
  349. */
  350. toData(): any {
  351. // 数据不存在,不处理
  352. if (!this.data) {
  353. return;
  354. }
  355. if (this.data.size) {
  356. // data中存在 size, 则设置 size
  357. this.data.size.width = this.width;
  358. this.data.size.height = this.height;
  359. } else {
  360. // 否则设置默认
  361. const width = this.width;
  362. const height = this.height;
  363. this.data.size = {
  364. width,
  365. height
  366. };
  367. }
  368. this.data.pos.x = this.pos.x;
  369. this.data.pos.y = this.pos.y;
  370. this.data.style.default.zorder = this.zOrder;
  371. this.data.style.default.url = this.defaultUrl;
  372. this.data.style.default.rotate = this.rotate;
  373. this.data.style.default.lineWidth = this.lineWidth;
  374. this.data.style.default.strokeColor = this.strokeColor.value;
  375. this.data.style.default.lineStyle = this.lineStyle;
  376. return this.data;
  377. }
  378. /**
  379. * 根据显示模式计算图片的宽高
  380. */
  381. computeImgSize(): void {
  382. // 图片加载完成
  383. if (this.isLoadOver) {
  384. // 要绘制图片的宽度
  385. let width = 0;
  386. // 要绘制图片的宽度
  387. let height = 0;
  388. // 图片 item 的宽高比
  389. let itemAspectRatio: number = this.width / this.height;
  390. // 原始图片的宽高比
  391. let imgAspectRatio: number =
  392. // @ts-ignore
  393. (this.img.width as number) / (this.img.height as number);
  394. // 原始图片的高宽比
  395. let imgHwRatio: number =
  396. // @ts-ignore
  397. (this.img.height as number) / (this.img.width as number);
  398. if (this.showType == SImageShowType.Full) {
  399. width = this.width;
  400. height = this.height;
  401. } else if (this.showType == SImageShowType.Equivalency) {
  402. if (itemAspectRatio > imgAspectRatio) {
  403. height = this.height;
  404. width = imgAspectRatio * height;
  405. } else if (itemAspectRatio < imgAspectRatio) {
  406. width = this.width;
  407. height = width * imgHwRatio;
  408. } else {
  409. width = this.width;
  410. height = this.height;
  411. }
  412. } else if (this.showType == SImageShowType.AutoFit) {
  413. // @ts-ignore
  414. this.width = this.img.width as number;
  415. // @ts-ignore
  416. this.height = this.img.height as number;
  417. width = this.width;
  418. height = this.height;
  419. }
  420. this.imgWidth = width;
  421. this.imgHeight = height;
  422. // 设置原点位置(默认左上角)
  423. if (this.originPosition == STextOrigin.Center) {
  424. this.origin = new SPoint(this.width / 2, this.height / 2);
  425. }
  426. }
  427. this.origin = new SPoint(this.width / 2, this.height / 2);
  428. this.update();
  429. }
  430. /**
  431. * 判断当前地址和回调地址是否相同
  432. *
  433. * @param imgUrl 图片回调地址
  434. * @return 当前地址和回调地址是否相同
  435. */
  436. private isUrlIdentical(imgUrl: string): boolean {
  437. // url 中没有该片段
  438. if (this.url.indexOf("://") == -1) {
  439. // eslint-disable-next-line max-len
  440. const reg = /^\s*data:([a-z]+\/[a-z0-9-+.]+(;[a-z-]+=[a-z0-9-]+)?)?(;base64)?,([a-z0-9!$&',()*+;=\-._~:@\/?%\s]*?)\s*$/i;
  441. if (reg.test(this.url)) {
  442. // 通过正则检验
  443. return this.url == imgUrl;
  444. } else {
  445. // 否则
  446. return this.url == this.GetUrlRelativePath(imgUrl);
  447. }
  448. } else {
  449. // 否则
  450. return this.url == imgUrl;
  451. }
  452. }
  453. /**
  454. * 截取绝对路径中的相对路径
  455. *
  456. * @param url 绝对路径
  457. * @return 相对路径
  458. */
  459. private GetUrlRelativePath(url: string): string {
  460. const arrUrl = url.split("//");
  461. const start = arrUrl[1].indexOf("/");
  462. const relUrl = arrUrl[1].substring(start);
  463. return relUrl;
  464. }
  465. /**
  466. * 大小改变
  467. *
  468. * @param oldSize 旧数据
  469. * @param newSize 新数据
  470. */
  471. resize(oldSize: SRect, newSize: SRect): void {
  472. this.width = newSize.width;
  473. this.height = newSize.height;
  474. this.update();
  475. }
  476. /**
  477. * Item 对象边界区域
  478. *
  479. * @return 边界区域
  480. */
  481. boundingRect(): SRect {
  482. return new SRect(
  483. -this.origin.x,
  484. -this.origin.y,
  485. this.width * 1,
  486. this.height * 1
  487. );
  488. }
  489. /**
  490. * 宽高发发生变化
  491. *
  492. * @param oldSize 改之前的大小
  493. * @param newSize 改之后大小
  494. */
  495. protected onResize(oldSize: SSize, newSize: SSize): void {
  496. this.computeImgSize();
  497. this.update();
  498. }
  499. /**
  500. * 鼠标按下事件
  501. *
  502. * @param event 保存事件参数
  503. * @return 是否处理事件
  504. */
  505. onMouseDown(event: SMouseEvent): boolean {
  506. super.onMouseDown(event);
  507. return this.moveable;
  508. } // Function onMouseDown()
  509. /**
  510. * 释放鼠标事件
  511. *
  512. * @param event 保存事件参数
  513. * @return 是否处理事件
  514. */
  515. onMouseUp(event: SMouseEvent): boolean {
  516. super.onMouseUp(event);
  517. return this.moveable;
  518. } // Function onMouseUp()
  519. /**
  520. * Item 绘制操作
  521. *
  522. * @param painter 绘画类
  523. */
  524. onDraw(painter: SPainter): void {
  525. painter.translate(-this.origin.x, -this.origin.y);
  526. // 图片加载完成
  527. if (this.isLoadOver) {
  528. // @ts-ignore
  529. painter.drawImage(this.img, 0, 0, this.imgWidth, this.imgHeight);
  530. }
  531. if (this.selected) {
  532. // 选中
  533. painter.shadow.shadowBlur = 10;
  534. painter.shadow.shadowColor = new SColor(`#00000033`);
  535. painter.shadow.shadowOffsetX = 5;
  536. painter.shadow.shadowOffsetY = 5;
  537. } else {
  538. // 否则
  539. painter.shadow.shadowColor = SColor.Transparent;
  540. }
  541. if (this.lineStyle == SLineStyle.Dashed) {
  542. // 线类型为虚线
  543. painter.pen.lineDash = [
  544. painter.toPx(this.lineWidth * 3),
  545. painter.toPx(this.lineWidth * 7)
  546. ];
  547. } else if (this.lineStyle == SLineStyle.Dotted) {
  548. // 线类型是点线
  549. painter.pen.lineDash = [
  550. painter.toPx(2 * this.lineWidth),
  551. painter.toPx(2 * this.lineWidth)
  552. ];
  553. }
  554. painter.pen.lineWidth = this.lineWidth;
  555. painter.pen.color = this.strokeColor;
  556. painter.brush.color = SColor.Transparent;
  557. painter.drawRect(0, 0, this.width, this.height);
  558. }
  559. }