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JavaScript  |  2007-05-05  |  16.1 KB  |  517 lines
  1. /**
  2.  * Copyright (c) 2006, David Spurr (http://www.defusion.org.uk/)
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
  6.  *
  7.  *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  8.  *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
  9.  *     * Neither the name of the David Spurr nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
  10.  *
  11.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  12.  *
  13.  * http://www.opensource.org/licenses/bsd-license.php
  14.  *
  15.  * See scriptaculous.js for full scriptaculous licence
  16.  */
  17.  
  18. var CropDraggable=Class.create();
  19. Object.extend(Object.extend(CropDraggable.prototype,Draggable.prototype),{initialize:function(_1){
  20. this.options=Object.extend({drawMethod:function(){
  21. }},arguments[1]||{});
  22. this.element=$(_1);
  23. this.handle=this.element;
  24. this.delta=this.currentDelta();
  25. this.dragging=false;
  26. this.eventMouseDown=this.initDrag.bindAsEventListener(this);
  27. Event.observe(this.handle,"mousedown",this.eventMouseDown);
  28. Draggables.register(this);
  29. },draw:function(_2){
  30. var _3=Position.cumulativeOffset(this.element);
  31. var d=this.currentDelta();
  32. _3[0]-=d[0];
  33. _3[1]-=d[1];
  34. var p=[0,1].map(function(i){
  35. return (_2[i]-_3[i]-this.offset[i]);
  36. }.bind(this));
  37. this.options.drawMethod(p);
  38. }});
  39. var Cropper={};
  40. Cropper.Img=Class.create();
  41. Cropper.Img.prototype={initialize:function(_7,_8){
  42. this.options=Object.extend({ratioDim:{x:0,y:0},minWidth:0,minHeight:0,displayOnInit:false,onEndCrop:Prototype.emptyFunction,captureKeys:true},_8||{});
  43. if(this.options.minWidth>0&&this.options.minHeight>0){
  44. this.options.ratioDim.x=this.options.minWidth;
  45. this.options.ratioDim.y=this.options.minHeight;
  46. }
  47. this.img=$(_7);
  48. this.clickCoords={x:0,y:0};
  49. this.dragging=false;
  50. this.resizing=false;
  51. this.isWebKit=/Konqueror|Safari|KHTML/.test(navigator.userAgent);
  52. this.isIE=/MSIE/.test(navigator.userAgent);
  53. this.isOpera8=/Opera\s[1-8]/.test(navigator.userAgent);
  54. this.ratioX=0;
  55. this.ratioY=0;
  56. this.attached=false;
  57. $A(document.getElementsByTagName("script")).each(function(s){
  58. if(s.src.match(/cropper\.js/)){
  59. var _a=s.src.replace(/cropper\.js(.*)?/,"");
  60. var _b=document.createElement("link");
  61. _b.rel="stylesheet";
  62. _b.type="text/css";
  63. _b.href=_a+"cropper.css";
  64. _b.media="screen";
  65. document.getElementsByTagName("head")[0].appendChild(_b);
  66. }
  67. });
  68. if(this.options.ratioDim.x>0&&this.options.ratioDim.y>0){
  69. var _c=this.getGCD(this.options.ratioDim.x,this.options.ratioDim.y);
  70. this.ratioX=this.options.ratioDim.x/_c;
  71. this.ratioY=this.options.ratioDim.y/_c;
  72. }
  73. this.subInitialize();
  74. if(this.img.complete||this.isWebKit){
  75. this.onLoad();
  76. }else{
  77. Event.observe(this.img,"load",this.onLoad.bindAsEventListener(this));
  78. }
  79. },getGCD:function(a,b){return 1;
  80. if(b==0){
  81. return a;
  82. }
  83. return this.getGCD(b,a%b);
  84. },onLoad:function(){
  85. var _f="imgCrop_";
  86. var _10=this.img.parentNode;
  87. var _11="";
  88. if(this.isOpera8){
  89. _11=" opera8";
  90. }
  91. this.imgWrap=Builder.node("div",{"class":_f+"wrap"+_11});
  92. if(this.isIE){
  93. this.north=Builder.node("div",{"class":_f+"overlay "+_f+"north"},[Builder.node("span")]);
  94. this.east=Builder.node("div",{"class":_f+"overlay "+_f+"east"},[Builder.node("span")]);
  95. this.south=Builder.node("div",{"class":_f+"overlay "+_f+"south"},[Builder.node("span")]);
  96. this.west=Builder.node("div",{"class":_f+"overlay "+_f+"west"},[Builder.node("span")]);
  97. var _12=[this.north,this.east,this.south,this.west];
  98. }else{
  99. this.overlay=Builder.node("div",{"class":_f+"overlay"});
  100. var _12=[this.overlay];
  101. }
  102. this.dragArea=Builder.node("div",{"class":_f+"dragArea"},_12);
  103. this.handleN=Builder.node("div",{"class":_f+"handle "+_f+"handleN"});
  104. this.handleNE=Builder.node("div",{"class":_f+"handle "+_f+"handleNE"});
  105. this.handleE=Builder.node("div",{"class":_f+"handle "+_f+"handleE"});
  106. this.handleSE=Builder.node("div",{"class":_f+"handle "+_f+"handleSE"});
  107. this.handleS=Builder.node("div",{"class":_f+"handle "+_f+"handleS"});
  108. this.handleSW=Builder.node("div",{"class":_f+"handle "+_f+"handleSW"});
  109. this.handleW=Builder.node("div",{"class":_f+"handle "+_f+"handleW"});
  110. this.handleNW=Builder.node("div",{"class":_f+"handle "+_f+"handleNW"});
  111. this.selArea=Builder.node("div",{"class":_f+"selArea"},[Builder.node("div",{"class":_f+"marqueeHoriz "+_f+"marqueeNorth"},[Builder.node("span")]),Builder.node("div",{"class":_f+"marqueeVert "+_f+"marqueeEast"},[Builder.node("span")]),Builder.node("div",{"class":_f+"marqueeHoriz "+_f+"marqueeSouth"},[Builder.node("span")]),Builder.node("div",{"class":_f+"marqueeVert "+_f+"marqueeWest"},[Builder.node("span")]),this.handleN,this.handleNE,this.handleE,this.handleSE,this.handleS,this.handleSW,this.handleW,this.handleNW,Builder.node("div",{"class":_f+"clickArea"})]);
  112. Element.setStyle($(this.selArea),{backgroundColor:"transparent",backgroundRepeat:"no-repeat",backgroundPosition:"0 0"});
  113. this.imgWrap.appendChild(this.img);
  114. this.imgWrap.appendChild(this.dragArea);
  115. this.dragArea.appendChild(this.selArea);
  116. this.dragArea.appendChild(Builder.node("div",{"class":_f+"clickArea"}));
  117. _10.appendChild(this.imgWrap);
  118. Event.observe(this.dragArea,"mousedown",this.startDrag.bindAsEventListener(this));
  119. Event.observe(document,"mousemove",this.onDrag.bindAsEventListener(this));
  120. Event.observe(document,"mouseup",this.endCrop.bindAsEventListener(this));
  121. var _13=[this.handleN,this.handleNE,this.handleE,this.handleSE,this.handleS,this.handleSW,this.handleW,this.handleNW];
  122. for(var i=0;i<_13.length;i++){
  123. Event.observe(_13[i],"mousedown",this.startResize.bindAsEventListener(this));
  124. }
  125. if(this.options.captureKeys){
  126. Event.observe(document,"keydown",this.handleKeys.bindAsEventListener(this));
  127. }
  128. new CropDraggable(this.selArea,{drawMethod:this.moveArea.bindAsEventListener(this)});
  129. this.setParams();
  130. },setParams:function(){
  131. this.imgW=this.img.width;
  132. this.imgH=this.img.height;
  133. if(!this.isIE){
  134. Element.setStyle($(this.overlay),{width:this.imgW+"px",height:this.imgH+"px"});
  135. Element.hide($(this.overlay));
  136. Element.setStyle($(this.selArea),{backgroundImage:"url("+this.img.src+")"});
  137. }else{
  138. Element.setStyle($(this.north),{height:0});
  139. Element.setStyle($(this.east),{width:0,height:0});
  140. Element.setStyle($(this.south),{height:0});
  141. Element.setStyle($(this.west),{width:0,height:0});
  142. }
  143. Element.setStyle($(this.imgWrap),{"width":this.imgW+"px","height":this.imgH+"px"});
  144. Element.hide($(this.selArea));
  145. var _15=Position.positionedOffset(this.imgWrap);
  146. this.wrapOffsets={"top":_15[1],"left":_15[0]};
  147. var _16={x1:0,y1:0,x2:0,y2:0};
  148. this.setAreaCoords(_16);
  149. if(this.options.ratioDim.x>0&&this.options.ratioDim.y>0&&this.options.displayOnInit){
  150. _16.x1=Math.ceil((this.imgW-this.options.ratioDim.x)/2);
  151. _16.y1=Math.ceil((this.imgH-this.options.ratioDim.y)/2);
  152. _16.x2=_16.x1+this.options.ratioDim.x;
  153. _16.y2=_16.y1+this.options.ratioDim.y;
  154. Element.show(this.selArea);
  155. this.drawArea();
  156. this.endCrop();
  157. }
  158. this.attached=true;
  159. },remove:function(){
  160. this.attached=false;
  161. this.imgWrap.parentNode.insertBefore(this.img,this.imgWrap);
  162. this.imgWrap.parentNode.removeChild(this.imgWrap);
  163. Event.stopObserving(this.dragArea,"mousedown",this.startDrag.bindAsEventListener(this));
  164. Event.stopObserving(document,"mousemove",this.onDrag.bindAsEventListener(this));
  165. Event.stopObserving(document,"mouseup",this.endCrop.bindAsEventListener(this));
  166. var _17=[this.handleN,this.handleNE,this.handleE,this.handleSE,this.handleS,this.handleSW,this.handleW,this.handleNW];
  167. for(var i=0;i<_17.length;i++){
  168. Event.stopObserving(_17[i],"mousedown",this.startResize.bindAsEventListener(this));
  169. }
  170. if(this.options.captureKeys){
  171. Event.stopObserving(document,"keydown",this.handleKeys.bindAsEventListener(this));
  172. }
  173. },reset:function(){
  174. if(!this.attached){
  175. this.onLoad();
  176. }else{
  177. this.setParams();
  178. }
  179. this.endCrop();
  180. },handleKeys:function(e){
  181. var dir={x:0,y:0};
  182. if(!this.dragging){
  183. switch(e.keyCode){
  184. case (37):
  185. dir.x=-1;
  186. break;
  187. case (38):
  188. dir.y=-1;
  189. break;
  190. case (39):
  191. dir.x=1;
  192. break;
  193. case (40):
  194. dir.y=1;
  195. break;
  196. }
  197. if(dir.x!=0||dir.y!=0){
  198. if(e.shiftKey){
  199. dir.x*=10;
  200. dir.y*=10;
  201. }
  202. this.moveArea([this.areaCoords.x1+dir.x,this.areaCoords.y1+dir.y]);
  203. Event.stop(e);
  204. }
  205. }
  206. },calcW:function(){
  207. return (this.areaCoords.x2-this.areaCoords.x1);
  208. },calcH:function(){
  209. return (this.areaCoords.y2-this.areaCoords.y1);
  210. },moveArea:function(_1b){
  211. this.setAreaCoords({x1:_1b[0],y1:_1b[1],x2:_1b[0]+this.calcW(),y2:_1b[1]+this.calcH()},true);
  212. this.drawArea();
  213. },cloneCoords:function(_1c){
  214. return {x1:_1c.x1,y1:_1c.y1,x2:_1c.x2,y2:_1c.y2};
  215. },setAreaCoords:function(_1d,_1e,_1f,_20,_21){
  216. var _22=typeof _1e!="undefined"?_1e:false;
  217. var _23=typeof _1f!="undefined"?_1f:false;
  218. if(_1e){
  219. var _24=_1d.x2-_1d.x1;
  220. var _25=_1d.y2-_1d.y1;
  221. if(_1d.x1<0){
  222. _1d.x1=0;
  223. _1d.x2=_24;
  224. }
  225. if(_1d.y1<0){
  226. _1d.y1=0;
  227. _1d.y2=_25;
  228. }
  229. if(_1d.x2>this.imgW){
  230. _1d.x2=this.imgW;
  231. _1d.x1=this.imgW-_24;
  232. }
  233. if(_1d.y2>this.imgH){
  234. _1d.y2=this.imgH;
  235. _1d.y1=this.imgH-_25;
  236. }
  237. }else{
  238. if(_1d.x1<0){
  239. _1d.x1=0;
  240. }
  241. if(_1d.y1<0){
  242. _1d.y1=0;
  243. }
  244. if(_1d.x2>this.imgW){
  245. _1d.x2=this.imgW;
  246. }
  247. if(_1d.y2>this.imgH){
  248. _1d.y2=this.imgH;
  249. }
  250. if(typeof (_20)!="undefined"){
  251. if(this.ratioX>0){
  252. this.applyRatio(_1d,{x:this.ratioX,y:this.ratioY},_20,_21);
  253. }else{
  254. if(_23){
  255. this.applyRatio(_1d,{x:1,y:1},_20,_21);
  256. }
  257. }
  258. var _26={a1:_1d.x1,a2:_1d.x2};
  259. var _27={a1:_1d.y1,a2:_1d.y2};
  260. var _28=this.options.minWidth;
  261. var _29=this.options.minHeight;
  262. if((_28==0||_29==0)&&_23){
  263. if(_28>0){
  264. _29=_28;
  265. }else{
  266. if(_29>0){
  267. _28=_29;
  268. }
  269. }
  270. }
  271. this.applyMinDimension(_26,_28,_20.x,{min:0,max:this.imgW});
  272. this.applyMinDimension(_27,_29,_20.y,{min:0,max:this.imgH});
  273. _1d={x1:_26.a1,y1:_27.a1,x2:_26.a2,y2:_27.a2};
  274. }
  275. }
  276. this.areaCoords=_1d;
  277. },applyMinDimension:function(_2a,_2b,_2c,_2d){
  278. if((_2a.a2-_2a.a1)<_2b){
  279. if(_2c==1){
  280. _2a.a2=_2a.a1+_2b;
  281. }else{
  282. _2a.a1=_2a.a2-_2b;
  283. }
  284. if(_2a.a1<_2d.min){
  285. _2a.a1=_2d.min;
  286. _2a.a2=_2b;
  287. }else{
  288. if(_2a.a2>_2d.max){
  289. _2a.a1=_2d.max-_2b;
  290. _2a.a2=_2d.max;
  291. }
  292. }
  293. }
  294. },applyRatio:function(_2e,_2f,_30,_31){
  295. var _32;
  296. if(_31=="N"||_31=="S"){
  297. _32=this.applyRatioToAxis({a1:_2e.y1,b1:_2e.x1,a2:_2e.y2,b2:_2e.x2},{a:_2f.y,b:_2f.x},{a:_30.y,b:_30.x},{min:0,max:this.imgW});
  298. _2e.x1=_32.b1;
  299. _2e.y1=_32.a1;
  300. _2e.x2=_32.b2;
  301. _2e.y2=_32.a2;
  302. }else{
  303. _32=this.applyRatioToAxis({a1:_2e.x1,b1:_2e.y1,a2:_2e.x2,b2:_2e.y2},{a:_2f.x,b:_2f.y},{a:_30.x,b:_30.y},{min:0,max:this.imgH});
  304. _2e.x1=_32.a1;
  305. _2e.y1=_32.b1;
  306. _2e.x2=_32.a2;
  307. _2e.y2=_32.b2;
  308. }
  309. },applyRatioToAxis:function(_33,_34,_35,_36){
  310. var _37=Object.extend(_33,{});
  311. var _38=_37.a2-_37.a1;
  312. var _3a=Math.floor(_38*_34.b/_34.a);
  313. var _3b;
  314. var _3c;
  315. var _3d=null;
  316. if(_35.b==1){
  317. _3b=_37.b1+_3a;
  318. if(_3b>_36.max){
  319. _3b=_36.max;
  320. _3d=_3b-_37.b1;
  321. }
  322. _37.b2=_3b;
  323. }else{
  324. _3b=_37.b2-_3a;
  325. if(_3b<_36.min){
  326. _3b=_36.min;
  327. _3d=_3b+_37.b2;
  328. }
  329. _37.b1=_3b;
  330. }
  331. if(_3d!=null){
  332. _3c=Math.floor(_3d*_34.a/_34.b);
  333. if(_35.a==1){
  334. _37.a2=_37.a1+_3c;
  335. }else{
  336. _37.a1=_37.a1=_37.a2-_3c;
  337. }
  338. }
  339. return _37;
  340. },drawArea:function(){
  341. if(!this.isIE){
  342. Element.show($(this.overlay));
  343. }
  344. var _3e=this.calcW();
  345. var _3f=this.calcH();
  346. var _40=this.areaCoords.x2;
  347. var _41=this.areaCoords.y2;
  348. var _42=this.selArea.style;
  349. _42.left=this.areaCoords.x1+"px";
  350. _42.top=this.areaCoords.y1+"px";
  351. _42.width=_3e+"px";
  352. _42.height=_3f+"px";
  353. var _43=Math.ceil((_3e-6)/2)+"px";
  354. var _44=Math.ceil((_3f-6)/2)+"px";
  355. this.handleN.style.left=_43;
  356. this.handleE.style.top=_44;
  357. this.handleS.style.left=_43;
  358. this.handleW.style.top=_44;
  359. if(this.isIE){
  360. this.north.style.height=this.areaCoords.y1+"px";
  361. var _45=this.east.style;
  362. _45.top=this.areaCoords.y1+"px";
  363. _45.height=_3f+"px";
  364. _45.left=_40+"px";
  365. _45.width=(this.img.width-_40)+"px";
  366. var _46=this.south.style;
  367. _46.top=_41+"px";
  368. _46.height=(this.img.height-_41)+"px";
  369. var _47=this.west.style;
  370. _47.top=this.areaCoords.y1+"px";
  371. _47.height=_3f+"px";
  372. _47.width=this.areaCoords.x1+"px";
  373. }else{
  374. _42.backgroundPosition="-"+this.areaCoords.x1+"px "+"-"+this.areaCoords.y1+"px";
  375. }
  376. this.subDrawArea();
  377. this.forceReRender();
  378. },forceReRender:function(){
  379. if(this.isIE||this.isWebKit){
  380. var n=document.createTextNode(" ");
  381. var d,el,fixEL,i;
  382. if(this.isIE){
  383. fixEl=this.selArea;
  384. }else{
  385. if(this.isWebKit){
  386. fixEl=document.getElementsByClassName("imgCrop_marqueeSouth",this.imgWrap)[0];
  387. d=Builder.node("div","");
  388. d.style.visibility="hidden";
  389. var _4a=["SE","S","SW"];
  390. for(i=0;i<_4a.length;i++){
  391. el=document.getElementsByClassName("imgCrop_handle"+_4a[i],this.selArea)[0];
  392. if(el.childNodes.length){
  393. el.removeChild(el.childNodes[0]);
  394. }
  395. el.appendChild(d);
  396. }
  397. }
  398. }
  399. fixEl.appendChild(n);
  400. fixEl.removeChild(n);
  401. }
  402. },startResize:function(e){
  403. this.startCoords=this.cloneCoords(this.areaCoords);
  404. this.resizing=true;
  405. this.resizeHandle=Element.classNames(Event.element(e)).toString().replace(/([^N|NE|E|SE|S|SW|W|NW])+/,"");
  406. Event.stop(e);
  407. },startDrag:function(e){
  408. Element.show(this.selArea);
  409. this.clickCoords=this.getCurPos(e);
  410. this.setAreaCoords({x1:this.clickCoords.x,y1:this.clickCoords.y,x2:this.clickCoords.x,y2:this.clickCoords.y});
  411. this.dragging=true;
  412. this.onDrag(e);
  413. Event.stop(e);
  414. },getCurPos:function(e){
  415. return curPos={x:Event.pointerX(e)-this.wrapOffsets.left,y:Event.pointerY(e)-this.wrapOffsets.top};
  416. },onDrag:function(e){
  417. var _4f=null;
  418. if(this.dragging||this.resizing){
  419. var _50=this.getCurPos(e);
  420. var _51=this.cloneCoords(this.areaCoords);
  421. var _52={x:1,y:1};
  422. }
  423. if(this.dragging){
  424. if(_50.x<this.clickCoords.x){
  425. _52.x=-1;
  426. }
  427. if(_50.y<this.clickCoords.y){
  428. _52.y=-1;
  429. }
  430. this.transformCoords(_50.x,this.clickCoords.x,_51,"x");
  431. this.transformCoords(_50.y,this.clickCoords.y,_51,"y");
  432. }else{
  433. if(this.resizing){
  434. _4f=this.resizeHandle;
  435. if(_4f.match(/E/)){
  436. this.transformCoords(_50.x,this.startCoords.x1,_51,"x");
  437. if(_50.x<this.startCoords.x1){
  438. _52.x=-1;
  439. }
  440. }else{
  441. if(_4f.match(/W/)){
  442. this.transformCoords(_50.x,this.startCoords.x2,_51,"x");
  443. if(_50.x<this.startCoords.x2){
  444. _52.x=-1;
  445. }
  446. }
  447. }
  448. if(_4f.match(/N/)){
  449. this.transformCoords(_50.y,this.startCoords.y2,_51,"y");
  450. if(_50.y<this.startCoords.y2){
  451. _52.y=-1;
  452. }
  453. }else{
  454. if(_4f.match(/S/)){
  455. this.transformCoords(_50.y,this.startCoords.y1,_51,"y");
  456. if(_50.y<this.startCoords.y1){
  457. _52.y=-1;
  458. }
  459. }
  460. }
  461. }
  462. }
  463. if(this.dragging||this.resizing){
  464. this.setAreaCoords(_51,false,e.shiftKey,_52,_4f);
  465. this.drawArea();
  466. Event.stop(e);
  467. }
  468. },transformCoords:function(_53,_54,_55,_56){
  469. var _57=new Array();
  470. if(_53<_54){
  471. _57[0]=_53;
  472. _57[1]=_54;
  473. }else{
  474. _57[0]=_54;
  475. _57[1]=_53;
  476. }
  477. if(_56=="x"){
  478. _55.x1=_57[0];
  479. _55.x2=_57[1];
  480. }else{
  481. _55.y1=_57[0];
  482. _55.y2=_57[1];
  483. }
  484. },endCrop:function(){
  485. this.dragging=false;
  486. this.resizing=false;
  487. this.options.onEndCrop(this.areaCoords,{width:this.calcW(),height:this.calcH()});
  488. },subInitialize:function(){
  489. },subDrawArea:function(){
  490. }};
  491. Cropper.ImgWithPreview=Class.create();
  492. Object.extend(Object.extend(Cropper.ImgWithPreview.prototype,Cropper.Img.prototype),{subInitialize:function(){
  493. this.hasPreviewImg=false;
  494. if(typeof (this.options.previewWrap)!="undefined"&&this.options.minWidth>0&&this.options.minHeight>0){
  495. this.previewWrap=$(this.options.previewWrap);
  496. this.previewImg=this.img.cloneNode(false);
  497. this.options.displayOnInit=true;
  498. this.hasPreviewImg=true;
  499. Element.addClassName(this.previewWrap,"imgCrop_previewWrap");
  500. Element.setStyle(this.previewWrap,{width:this.options.minWidth+"px",height:this.options.minHeight+"px"});
  501. this.previewWrap.appendChild(this.previewImg);
  502. }
  503. },subDrawArea:function(){
  504. if(this.hasPreviewImg){
  505. var _58=this.calcW();
  506. var _59=this.calcH();
  507. var _5a={x:this.imgW/_58,y:this.imgH/_59};
  508. var _5b={x:_58/this.options.minWidth,y:_59/this.options.minHeight};
  509. var _5c={w:Math.ceil(this.options.minWidth*_5a.x)+"px",h:Math.ceil(this.options.minHeight*_5a.y)+"px",x:"-"+Math.ceil(this.areaCoords.x1/_5b.x)+"px",y:"-"+Math.ceil(this.areaCoords.y1/_5b.y)+"px"};
  510. var _5d=this.previewImg.style;
  511. _5d.width=_5c.w;
  512. _5d.height=_5c.h;
  513. _5d.left=_5c.x;
  514. _5d.top=_5c.y;
  515. }
  516. }});
  517.