MES / IOT · Files

Blame view

web/WebMvc/wwwroot/js/jQueryRotate.js 13.2 KB
Edit Raw Normal View History
----
5c8a582c
 
赖素文 authored 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
 
// VERSION: 2.3 LAST UPDATE: 11.07.2013
/*
 * Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
 *
 * Made by Wilq32, wilq32@gmail.com, Wroclaw, Poland, 01.2009
 * Website: http://jqueryrotate.com
 */

(function($) {
    var supportedCSS,supportedCSSOrigin, styles=document.getElementsByTagName("head")[0].style,toCheck="transformProperty WebkitTransform OTransform msTransform MozTransform".split(" ");
    for (var a = 0; a < toCheck.length; a++) if (styles[toCheck[a]] !== undefined) { supportedCSS = toCheck[a]; }
    if (supportedCSS) {
      supportedCSSOrigin = supportedCSS.replace(/[tT]ransform/,"TransformOrigin");
      if (supportedCSSOrigin[0] == "T") supportedCSSOrigin[0] = "t";
    }

    // Bad eval to preven google closure to remove it from code o_O
    eval('IE = "v"=="\v"');

    jQuery.fn.extend({
        rotate:function(parameters)
        {
          if (this.length===0||typeof parameters=="undefined") return;
          if (typeof parameters=="number") parameters={angle:parameters};
          var returned=[];
          for (var i=0,i0=this.length;i<i0;i++)
          {
            var element=this.get(i);
            if (!element.Wilq32 || !element.Wilq32.PhotoEffect) {

              var paramClone = $.extend(true, {}, parameters);
              var newRotObject = new Wilq32.PhotoEffect(element,paramClone)._rootObj;

              returned.push($(newRotObject));
            }
            else {
              element.Wilq32.PhotoEffect._handleRotation(parameters);
            }
          }
          return returned;
        },
        getRotateAngle: function(){
          var ret = [0];
          for (var i=0,i0=this.length;i<i0;i++)
          {
            var element=this.get(i);
            if (element.Wilq32 && element.Wilq32.PhotoEffect) {
              ret[i] = element.Wilq32.PhotoEffect._angle;
            }
          }
          return ret;
        },
        stopRotate: function(){
          for (var i=0,i0=this.length;i<i0;i++)
          {
            var element=this.get(i);
            if (element.Wilq32 && element.Wilq32.PhotoEffect) {
              clearTimeout(element.Wilq32.PhotoEffect._timer);
            }
          }
        }
    });

    // Library agnostic interface

    Wilq32=window.Wilq32||{};
    Wilq32.PhotoEffect=(function(){

      if (supportedCSS) {
        return function(img,parameters){
          img.Wilq32 = {
            PhotoEffect: this
          };

          this._img = this._rootObj = this._eventObj = img;
          this._handleRotation(parameters);
        }
      } else {
        return function(img,parameters) {
          this._img = img;
          this._onLoadDelegate = [parameters];

          this._rootObj=document.createElement('span');
          this._rootObj.style.display="inline-block";
          this._rootObj.Wilq32 =
            {
              PhotoEffect: this
            };
          img.parentNode.insertBefore(this._rootObj,img);

          if (img.complete) {
            this._Loader();
          } else {
            var self=this;
            // TODO: Remove jQuery dependency
            jQuery(this._img).bind("load", function(){ self._Loader(); });
          }
        }
      }
    })();

    Wilq32.PhotoEffect.prototype = {
      _setupParameters : function (parameters){
        this._parameters = this._parameters || {};
        if (typeof this._angle !== "number") { this._angle = 0 ; }
        if (typeof parameters.angle==="number") { this._angle = parameters.angle; }
        this._parameters.animateTo = (typeof parameters.animateTo === "number") ? (parameters.animateTo) : (this._angle);

        this._parameters.step = parameters.step || this._parameters.step || null;
        this._parameters.easing = parameters.easing || this._parameters.easing || this._defaultEasing;
        this._parameters.duration = 'duration' in parameters ? parameters.duration : parameters.duration || this._parameters.duration || 1000;
        this._parameters.callback = parameters.callback || this._parameters.callback || this._emptyFunction;
        this._parameters.center = parameters.center || this._parameters.center || ["50%","50%"];
        if (typeof this._parameters.center[0] == "string") {
          this._rotationCenterX = (parseInt(this._parameters.center[0],10) / 100) * this._imgWidth * this._aspectW;
        } else {
          this._rotationCenterX = this._parameters.center[0];
        }
        if (typeof this._parameters.center[1] == "string") {
          this._rotationCenterY = (parseInt(this._parameters.center[1],10) / 100) * this._imgHeight * this._aspectH;
        } else {
          this._rotationCenterY = this._parameters.center[1];
        }

        if (parameters.bind && parameters.bind != this._parameters.bind) { this._BindEvents(parameters.bind); }
      },
      _emptyFunction: function(){},
      _defaultEasing: function (x, t, b, c, d) { return -c * ((t=t/d-1)*t*t*t - 1) + b },
      _handleRotation : function(parameters, dontcheck){
        if (!supportedCSS && !this._img.complete && !dontcheck) {
          this._onLoadDelegate.push(parameters);
          return;
        }
        this._setupParameters(parameters);
        if (this._angle==this._parameters.animateTo) {
          this._rotate(this._angle);
        }
        else {
          this._animateStart();
        }
      },

      _BindEvents:function(events){
        if (events && this._eventObj)
        {
          // Unbinding previous Events
          if (this._parameters.bind){
            var oldEvents = this._parameters.bind;
            for (var a in oldEvents) if (oldEvents.hasOwnProperty(a))
              // TODO: Remove jQuery dependency
              jQuery(this._eventObj).unbind(a,oldEvents[a]);
          }

        this._parameters.bind = events;
        for (var a in events) if (events.hasOwnProperty(a))
          // TODO: Remove jQuery dependency
          jQuery(this._eventObj).bind(a,events[a]);
        }
      },

      _Loader:(function()
      {
        if (IE)
          return function() {
            var width=this._img.width;
            var height=this._img.height;
            this._imgWidth = width;
            this._imgHeight = height;
            this._img.parentNode.removeChild(this._img);

            this._vimage = this.createVMLNode('image');
            this._vimage.src=this._img.src;
            this._vimage.style.height=height+"px";
            this._vimage.style.width=width+"px";
            this._vimage.style.position="absolute"; // FIXES IE PROBLEM - its only rendered if its on absolute position!
            this._vimage.style.top = "0px";
            this._vimage.style.left = "0px";
            this._aspectW = this._aspectH = 1;

            /* Group minifying a small 1px precision problem when rotating object */
            this._container = this.createVMLNode('group');
            this._container.style.width=width;
            this._container.style.height=height;
            this._container.style.position="absolute";
            this._container.style.top="0px";
            this._container.style.left="0px";
            this._container.setAttribute('coordsize',width-1+','+(height-1)); // This -1, -1 trying to fix ugly problem with small displacement on IE
            this._container.appendChild(this._vimage);

            this._rootObj.appendChild(this._container);
            this._rootObj.style.position="relative"; // FIXES IE PROBLEM
            this._rootObj.style.width=width+"px";
            this._rootObj.style.height=height+"px";
            this._rootObj.setAttribute('id',this._img.getAttribute('id'));
            this._rootObj.className=this._img.className;
            this._eventObj = this._rootObj;
            var parameters;
            while (parameters = this._onLoadDelegate.shift()) {
              this._handleRotation(parameters, true);
            }
          }
          else return function () {
            this._rootObj.setAttribute('id',this._img.getAttribute('id'));
            this._rootObj.className=this._img.className;

            this._imgWidth=this._img.naturalWidth;
            this._imgHeight=this._img.naturalHeight;
            var _widthMax=Math.sqrt((this._imgHeight)*(this._imgHeight) + (this._imgWidth) * (this._imgWidth));
            this._width = _widthMax * 3;
            this._height = _widthMax * 3;

            this._aspectW = this._img.offsetWidth/this._img.naturalWidth;
            this._aspectH = this._img.offsetHeight/this._img.naturalHeight;

            this._img.parentNode.removeChild(this._img);


            this._canvas=document.createElement('canvas');
            this._canvas.setAttribute('width',this._width);
            this._canvas.style.position="relative";
            this._canvas.style.left = -this._img.height * this._aspectW + "px";
            this._canvas.style.top = -this._img.width * this._aspectH + "px";
            this._canvas.Wilq32 = this._rootObj.Wilq32;

            this._rootObj.appendChild(this._canvas);
            this._rootObj.style.width=this._img.width*this._aspectW+"px";
            this._rootObj.style.height=this._img.height*this._aspectH+"px";
            this._eventObj = this._canvas;

            this._cnv=this._canvas.getContext('2d');
            var parameters;
            while (parameters = this._onLoadDelegate.shift()) {
              this._handleRotation(parameters, true);
            }
          }
      })(),

      _animateStart:function()
      {
        if (this._timer) {
          clearTimeout(this._timer);
        }
        this._animateStartTime = +new Date;
        this._animateStartAngle = this._angle;
        this._animate();
      },
      _animate:function()
      {
        var actualTime = +new Date;
        var checkEnd = actualTime - this._animateStartTime > this._parameters.duration;

        // TODO: Bug for animatedGif for static rotation ? (to test)
        if (checkEnd && !this._parameters.animatedGif)
        {
          clearTimeout(this._timer);
        }
        else
        {
          if (this._canvas||this._vimage||this._img) {
            var angle = this._parameters.easing(0, actualTime - this._animateStartTime, this._animateStartAngle, this._parameters.animateTo - this._animateStartAngle, this._parameters.duration);
            this._rotate((~~(angle*10))/10);
          }
          if (this._parameters.step) {
            this._parameters.step(this._angle);
          }
          var self = this;
          this._timer = setTimeout(function()
          {
            self._animate.call(self);
          }, 10);
        }

      // To fix Bug that prevents using recursive function in callback I moved this function to back
      if (this._parameters.callback && checkEnd){
        this._angle = this._parameters.animateTo;
        this._rotate(this._angle);
        this._parameters.callback.call(this._rootObj);
      }
      },

      _rotate : (function()
      {
        var rad = Math.PI/180;
        if (IE)
          return function(angle)
        {
          this._angle = angle;
          this._container.style.rotation=(angle%360)+"deg";
          this._vimage.style.top = -(this._rotationCenterY - this._imgHeight/2) + "px";
          this._vimage.style.left = -(this._rotationCenterX - this._imgWidth/2) + "px";
          this._container.style.top = this._rotationCenterY - this._imgHeight/2 + "px";
          this._container.style.left = this._rotationCenterX - this._imgWidth/2 + "px";

        }
          else if (supportedCSS)
          return function(angle){
            this._angle = angle;
            this._img.style[supportedCSS]="rotate("+(angle%360)+"deg)";
            this._img.style[supportedCSSOrigin]=this._parameters.center.join(" ");
          }
          else
            return function(angle)
          {
            this._angle = angle;
            angle=(angle%360)* rad;
            // clear canvas
            this._canvas.width = this._width;//+this._widthAdd;
            this._canvas.height = this._height;//+this._heightAdd;

            // REMEMBER: all drawings are read from backwards.. so first function is translate, then rotate, then translate, translate..
            this._cnv.translate(this._imgWidth*this._aspectW,this._imgHeight*this._aspectH);	// at least center image on screen
            this._cnv.translate(this._rotationCenterX,this._rotationCenterY);			// we move image back to its orginal
            this._cnv.rotate(angle);										// rotate image
            this._cnv.translate(-this._rotationCenterX,-this._rotationCenterY);		// move image to its center, so we can rotate around its center
            this._cnv.scale(this._aspectW,this._aspectH); // SCALE - if needed ;)
            this._cnv.drawImage(this._img, 0, 0);							// First - we draw image
          }

      })()
      }

      if (IE)
      {
        Wilq32.PhotoEffect.prototype.createVMLNode=(function(){
          document.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");
          try {
            !document.namespaces.rvml && document.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");
            return function (tagName) {
              return document.createElement('<rvml:' + tagName + ' class="rvml">');
            };
          } catch (e) {
            return function (tagName) {
              return document.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
            };
          }
        })();
      }

})(jQuery);