Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 772:dba3b6969dbb jquery
better width calculation for scaler div
author | hertzhaft |
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date | Sun, 13 Feb 2011 16:16:42 +0100 |
parents | ac5aa77ada08 |
children | 6472fcc37214 |
rev | line source |
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1 /* Copyright (c) 2011 Martin Raspe, Robert Casties |
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2 |
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3 This program is free software: you can redistribute it and/or modify |
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4 it under the terms of the GNU Lesser General Public License as published by |
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5 the Free Software Foundation, either version 2 of the License, or |
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6 (at your option) any later version. |
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7 |
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8 This program is distributed in the hope that it will be useful, |
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9 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 GNU Lesser General Public License for more details. |
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12 |
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13 You should have received a copy of the GNU Lesser General Public License |
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 |
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16 Authors: |
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17 Martin Raspe, Robert Casties, 11.1.2011 |
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18 */ |
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19 |
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20 /** |
597 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
648 | 24 |
760 | 25 /*jslint browser: true, debug: true, forin: true |
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26 */ |
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27 |
629 | 28 // fallback for console.log calls |
29 if (typeof(console) === 'undefined') { | |
30 var console = { | |
685 | 31 log : function(){}, |
32 debug : function(){}, | |
33 error : function(){} | |
34 }; | |
772 | 35 var customConsole = false; // set to true if debugging for MS IE |
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36 } |
597 | 37 |
38 (function($) { | |
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39 var buttons = { |
603 | 40 reference : { |
682 | 41 onclick : "reference", |
603 | 42 tooltip : "get a reference URL", |
758 | 43 icon : "reference.png" |
603 | 44 }, |
45 zoomin : { | |
636 | 46 onclick : ["zoomBy", 1.4], |
603 | 47 tooltip : "zoom in", |
758 | 48 icon : "zoom-in.png" |
603 | 49 }, |
50 zoomout : { | |
636 | 51 onclick : ["zoomBy", 0.7], |
603 | 52 tooltip : "zoom out", |
758 | 53 icon : "zoom-out.png" |
603 | 54 }, |
55 zoomarea : { | |
647 | 56 onclick : "zoomArea", |
603 | 57 tooltip : "zoom area", |
758 | 58 icon : "zoom-area.png" |
603 | 59 }, |
60 zoomfull : { | |
643 | 61 onclick : "zoomFull", |
603 | 62 tooltip : "view the whole image", |
758 | 63 icon : "zoom-full.png" |
603 | 64 }, |
65 pagewidth : { | |
643 | 66 onclick : ["zoomFull", "width"], |
603 | 67 tooltip : "page width", |
758 | 68 icon : "pagewidth.png" |
603 | 69 }, |
70 back : { | |
616 | 71 onclick : ["gotoPage", "-1"], |
603 | 72 tooltip : "goto previous image", |
758 | 73 icon : "back.png" |
603 | 74 }, |
75 fwd : { | |
616 | 76 onclick : ["gotoPage", "+1"], |
603 | 77 tooltip : "goto next image", |
758 | 78 icon : "fwd.png" |
603 | 79 }, |
80 page : { | |
709 | 81 onclick : "gotoPage", |
82 tooltip : "goto image number", | |
758 | 83 icon : "page.png" |
603 | 84 }, |
85 bird : { | |
628 | 86 onclick : "showBirdDiv", |
603 | 87 tooltip : "show bird's eye view", |
758 | 88 icon : "birds-eye.png" |
603 | 89 }, |
90 help : { | |
628 | 91 onclick : "showAboutDiv", |
603 | 92 tooltip : "about Digilib", |
758 | 93 icon : "help.png" |
603 | 94 }, |
95 reset : { | |
681 | 96 onclick : "reset", |
603 | 97 tooltip : "reset image", |
758 | 98 icon : "reset.png" |
603 | 99 }, |
100 mark : { | |
640 | 101 onclick : "setMark", |
603 | 102 tooltip : "set a mark", |
758 | 103 icon : "mark.png" |
603 | 104 }, |
105 delmark : { | |
643 | 106 onclick : "removeMark", |
603 | 107 tooltip : "delete the last mark", |
758 | 108 icon : "delmark.png" |
603 | 109 }, |
110 hmir : { | |
654 | 111 onclick : ["mirror", "h"], |
603 | 112 tooltip : "mirror horizontally", |
758 | 113 icon : "mirror-horizontal.png" |
603 | 114 }, |
115 vmir : { | |
654 | 116 onclick : ["mirror", "v"], |
603 | 117 tooltip : "mirror vertically", |
758 | 118 icon : "mirror-vertical.png" |
603 | 119 }, |
120 rot : { | |
656 | 121 onclick : "rotate", |
603 | 122 tooltip : "rotate image", |
758 | 123 icon : "rotate.png" |
603 | 124 }, |
125 brgt : { | |
656 | 126 onclick : "brightness", |
603 | 127 tooltip : "set brightness", |
758 | 128 icon : "brightness.png" |
603 | 129 }, |
130 cont : { | |
656 | 131 onclick : "contrast", |
603 | 132 tooltip : "set contrast", |
758 | 133 icon : "contrast.png" |
603 | 134 }, |
135 rgb : { | |
136 onclick : "javascript:setParamWin('rgb', '...')", | |
137 tooltip : "set rgb values", | |
758 | 138 icon : "rgb.png" |
603 | 139 }, |
140 quality : { | |
741 | 141 onclick : "setQuality", |
603 | 142 tooltip : "set image quality", |
758 | 143 icon : "quality.png" |
603 | 144 }, |
145 size : { | |
146 onclick : "javascript:toggleSizeMenu()", | |
147 tooltip : "set page size", | |
758 | 148 icon : "size.png" |
603 | 149 }, |
150 calibrationx : { | |
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151 onclick : "calibrate", |
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152 tooltip : "calibrate screen resolution", |
758 | 153 icon : "calibration-x.png" |
603 | 154 }, |
155 scale : { | |
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156 onclick : "setScaleMode", |
603 | 157 tooltip : "change image scale", |
758 | 158 icon : "original-size.png" |
603 | 159 }, |
692 | 160 toggleoptions : { |
741 | 161 onclick : "moreButtons", |
692 | 162 tooltip : "more options", |
758 | 163 icon : "options.png" |
692 | 164 }, |
683 | 165 moreoptions : { |
741 | 166 onclick : ["moreButtons", "+1"], |
683 | 167 tooltip : "more options", |
758 | 168 icon : "options.png" |
683 | 169 }, |
170 lessoptions : { | |
741 | 171 onclick : ["moreButtons", "-1"], |
683 | 172 tooltip : "less options", |
758 | 173 icon : "options.png" |
603 | 174 }, |
175 SEP : { | |
758 | 176 icon : "sep.png" |
603 | 177 } |
178 }; | |
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179 |
598 | 180 var defaults = { |
609 | 181 // version of this script |
628 | 182 'version' : 'jquery.digilib.js 0.9', |
609 | 183 // logo url |
184 'logoUrl' : '../img/digilib-logo-text1.png', | |
628 | 185 // homepage url (behind logo) |
186 'homeUrl' : 'http://digilib.berlios.de', | |
737 | 187 // base URL to digilib viewer (for reference URLs) |
188 'digilibBaseUrl' : null, | |
603 | 189 // base URL to Scaler servlet |
645 | 190 'scalerBaseUrl' : null, |
603 | 191 // list of Scaler parameters |
620 | 192 'scalerParamNames' : ['fn','pn','dw','dh','ww','wh','wx','wy','ws','mo', |
193 'rot','cont','brgt','rgbm','rgba','ddpi','ddpix','ddpiy'], | |
194 // Scaler parameter defaults | |
636 | 195 'pn' : 1, |
620 | 196 'ww' : 1.0, |
197 'wh' : 1.0, | |
198 'wx' : 0.0, | |
199 'wy' : 0.0, | |
200 'ws' : 1.0, | |
636 | 201 'mo' : '', |
202 'rot' : 0, | |
203 'cont' : 0, | |
204 'brgt' : 0, | |
205 'rgbm' : '0/0/0', | |
206 'rgba' : '0/0/0', | |
207 'ddpi' : null, | |
208 'ddpix' : null, | |
209 'ddpiy' : null, | |
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210 // list of digilib parameters |
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211 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','ddpi','mk','clop'], |
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212 // digilib parameter defaults |
636 | 213 'mk' : '', |
643 | 214 'clop' : '', |
636 | 215 // mode of operation: |
216 // fullscreen = take parameters from page URL, keep state in page URL | |
217 // embedded = take parameters from Javascript options, keep state inside object | |
603 | 218 'interactionMode' : 'fullscreen', |
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219 // buttons |
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220 'buttons' : buttons, |
661 | 221 // defaults for digilib buttons |
658 | 222 'buttonSettings' : { |
223 'fullscreen' : { | |
661 | 224 // path to button images (must end with a slash) |
658 | 225 'imagePath' : 'img/fullscreen/', |
714 | 226 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","pagewidth","back","fwd","page","bird","help","reset","toggleoptions"], |
227 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","size","calibrationx","scale","toggleoptions"], | |
675 | 228 'buttonSets' : ['standardSet', 'specialSet'] |
658 | 229 }, |
230 'embedded' : { | |
231 'imagePath' : 'img/embedded/16/', | |
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232 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
761 | 233 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","toggleoptions"], |
675 | 234 'buttonSets' : ['standardSet', 'specialSet'] |
658 | 235 } |
690 | 236 }, |
768 | 237 |
690 | 238 // number of visible button groups |
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239 'visibleButtonSets' : 1, |
609 | 240 // is birdView shown? |
241 'isBirdDivVisible' : false, | |
661 | 242 // dimensions of bird's eye div |
667 | 243 'birdDivWidth' : 200, |
244 'birdDivHeight' : 200, | |
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245 // parameters used by bird's eye div |
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246 'birdDivParams' : ['fn','pn','dw','dh'], |
609 | 247 // is the "about" window shown? |
734 | 248 'isAboutDivVisible' : false, |
249 // maximum width of background image for drag-scroll | |
771 | 250 'maxBgSize' : 10000, |
772 | 251 // space to be left free in full page display, default value is for scrollbar |
252 'scalerInset' : 10, | |
603 | 253 }; |
648 | 254 |
601 | 255 // affine geometry classes |
256 var geom = dlGeometry(); | |
648 | 257 |
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258 var FULL_AREA = geom.rectangle(0, 0, 1, 1); |
648 | 259 |
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260 var actions = { |
661 | 261 // init: digilib initialization |
262 init : function(options) { | |
263 // settings for this digilib instance are merged from defaults and options | |
264 var settings = $.extend({}, defaults, options); | |
265 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
266 var queryParams = {}; | |
267 if (isFullscreen) { | |
268 queryParams = parseQueryParams(); | |
269 // check scalerBaseUrl | |
270 if (settings.scalerBaseUrl == null) { | |
271 // try the host this came from | |
272 var h = window.location.host; | |
273 if (window.location.host) { | |
274 var url = window.location.href; | |
275 // assume the page lives in [webapp]/jquery/ | |
276 var pos = url.indexOf('jquery/'); | |
277 if (pos > 0) { | |
278 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
645 | 279 } |
280 } | |
629 | 281 } |
661 | 282 } |
283 return this.each(function() { | |
284 var $elem = $(this); | |
285 var data = $elem.data('digilib'); | |
681 | 286 var params, elemSettings; |
661 | 287 // if the plugin hasn't been initialized yet |
288 if (!data) { | |
289 // merge query parameters | |
290 if (isFullscreen) { | |
681 | 291 params = queryParams; |
661 | 292 } else { |
681 | 293 params = parseImgParams($elem); |
720 | 294 if (jQuery.cookie) { |
295 // retrieve params from cookie | |
296 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
297 var cs = jQuery.cookie(ck); | |
298 console.debug("get cookie=", ck, " value=", cs); | |
299 if (cs) { | |
300 var cp = parseQueryString(cs); | |
721 | 301 // ignore fn and pn from cookie TODO: should we keep pn? |
302 delete cp.fn; | |
303 delete cp.pn; | |
304 jQuery.extend(params, cp); | |
720 | 305 } |
306 } | |
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307 } |
661 | 308 // store $(this) element in the settings |
721 | 309 elemSettings = jQuery.extend({}, settings, params); |
690 | 310 data = { |
661 | 311 $elem : $elem, |
312 settings : elemSettings, | |
681 | 313 queryParams : params |
661 | 314 }; |
315 // store in data element | |
316 $elem.data('digilib', data); | |
317 } | |
318 unpackParams(data); | |
737 | 319 // check if browser knows *background-size |
734 | 320 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
321 if ($elem.css(bs+'background-size')) { | |
322 data.hasBgSize = true; | |
323 data.bgSizeName = bs+'background-size'; | |
324 break; | |
325 } | |
326 } | |
737 | 327 // check digilib base URL |
328 if (elemSettings.digilibBaseUrl == null) { | |
329 if (isFullscreen) { | |
330 // take current host | |
331 var url = window.location.toString(); | |
332 var pos = url.indexOf('?'); | |
333 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
334 } else { | |
335 var url = elemSettings.scalerBaseUrl; | |
336 if (url) { | |
337 // build it from scaler URL | |
338 var bp = url.indexOf('/servlet/Scaler'); | |
758 | 339 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
737 | 340 } |
341 } | |
342 } | |
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343 // get image info from server if needed |
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344 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
760 | 345 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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346 } |
772 | 347 // create buttons before scaler |
690 | 348 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { |
349 showButtons(data, true, i); | |
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350 } |
772 | 351 // create HTML structure for scaler, taking width of buttons div into account |
352 setupScalerDiv(data); | |
758 | 353 highlightButtons(data); |
661 | 354 // bird's eye view creation |
703 | 355 if (elemSettings.isBirdDivVisible) { |
631 | 356 setupBirdDiv(data); |
716 | 357 data.$birdDiv.show(); |
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358 } |
661 | 359 // about window creation - TODO: could be deferred? restrict to only one item? |
360 setupAboutDiv(data); | |
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361 // drag zoom area around in scaler div |
748 | 362 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
661 | 363 }); |
364 }, | |
365 | |
366 // destroy: clean up digilib | |
367 destroy : function(data) { | |
368 return this.each(function(){ | |
369 var $elem = $(this); | |
370 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
371 data.digilib.remove(); | |
372 $elem.removeData('digilib'); | |
373 }); | |
374 }, | |
375 | |
376 // show or hide the 'about' window | |
377 showAboutDiv : function(data, show) { | |
758 | 378 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
379 data.settings.isAboutDivVisible = on; | |
380 highlightButtons(data, 'help', on); | |
661 | 381 }, |
648 | 382 |
661 | 383 // event handler: toggles the visibility of the bird's eye window |
384 showBirdDiv : function (data, show) { | |
719 | 385 var settings = data.settings; |
661 | 386 if (data.$birdDiv == null) { |
387 // no bird div -> create | |
388 setupBirdDiv(data); | |
389 } | |
758 | 390 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
391 settings.isBirdDivVisible = on; | |
392 highlightButtons(data, 'bird', on); | |
719 | 393 updateBirdDiv(data); |
716 | 394 storeOptions(data); |
661 | 395 }, |
396 | |
397 // goto given page nr (+/-: relative) | |
398 gotoPage : function (data, pageNr) { | |
399 var settings = data.settings; | |
400 var oldpn = settings.pn; | |
709 | 401 if (pageNr == null) { |
402 pageNr = window.prompt("Goto page number", oldpn); | |
403 } | |
661 | 404 var pn = setNumValue(settings, "pn", pageNr); |
405 if (pn == null) return false; // nothing happened | |
406 if (pn < 1) { | |
407 alert("no such page (page number too low)"); | |
408 settings.pn = oldpn; | |
409 return false; | |
410 } | |
760 | 411 // TODO: how do we get pt? |
661 | 412 if (settings.pt) { |
413 if (pn > settings.pt) { | |
414 alert("no such page (page number too high)"); | |
616 | 415 settings.pn = oldpn; |
416 return false; | |
627 | 417 } |
661 | 418 } |
419 // reset mk and others(?) | |
420 data.marks = []; | |
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421 data.zoomArea = FULL_AREA; |
661 | 422 // then reload |
423 redisplay(data); | |
424 }, | |
647 | 425 |
661 | 426 // zoom by a given factor |
427 zoomBy : function (data, factor) { | |
428 zoomBy(data, factor); | |
429 }, | |
640 | 430 |
760 | 431 // zoom to area (or interactive) |
432 zoomArea : function (data, area) { | |
433 var settings = data.settings; | |
434 if (area == null) { | |
435 // interactively | |
436 zoomArea(data); | |
437 } else { | |
438 data.zoomArea = geom.rectangle(area); | |
439 redisplay(data); | |
440 } | |
661 | 441 }, |
643 | 442 |
661 | 443 // zoom out to full page |
444 zoomFull : function (data, mode) { | |
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445 data.zoomArea = FULL_AREA; |
661 | 446 if (mode === 'width') { |
447 data.dlOpts.fitwidth = 1; | |
448 delete data.dlOpts.fitheight; | |
449 } else if (mode === 'height') { | |
450 data.dlOpts.fitheight = 1; | |
451 delete data.dlOpts.fitwidth; | |
452 } else { | |
453 delete data.dlOpts.fitwidth; | |
454 delete data.dlOpts.fitheight; | |
455 } | |
456 redisplay(data); | |
457 }, | |
458 | |
459 // set a mark by clicking (or giving a position) | |
460 setMark : function (data, mpos) { | |
461 if (mpos == null) { | |
462 // interactive | |
463 setMark(data); | |
464 } else { | |
465 // use position | |
466 data.marks.push(pos); | |
656 | 467 redisplay(data); |
597 | 468 } |
661 | 469 }, |
470 | |
471 // remove the last mark | |
472 removeMark : function (data) { | |
473 data.marks.pop(); | |
474 redisplay(data); | |
475 }, | |
476 | |
477 // mirror the image | |
478 mirror : function (data, mode) { | |
479 var flags = data.scalerFlags; | |
480 if (mode === 'h') { | |
481 if (flags.hmir) { | |
482 delete flags.hmir; | |
483 } else { | |
484 flags.hmir = 1; | |
485 } | |
486 } else { | |
487 if (flags.vmir) { | |
488 delete flags.vmir; | |
489 } else { | |
490 flags.vmir = 1; | |
491 } | |
492 } | |
493 redisplay(data); | |
494 }, | |
643 | 495 |
661 | 496 // rotate the image |
497 rotate : function (data, angle) { | |
498 var rot = data.settings.rot; | |
499 if (angle == null) { | |
500 angle = window.prompt("Rotation angle:", rot); | |
501 } | |
502 data.settings.rot = angle; | |
503 redisplay(data); | |
504 }, | |
505 | |
506 // change brightness | |
507 brightness : function (data, factor) { | |
508 var brgt = data.settings.brgt; | |
509 if (factor == null) { | |
510 factor = window.prompt("Brightness (-255..255)", brgt); | |
511 } | |
512 data.settings.brgt = factor; | |
513 redisplay(data); | |
514 }, | |
515 | |
516 // change contrast | |
517 contrast : function (data, factor) { | |
518 var cont = data.settings.cont; | |
519 if (factor == null) { | |
520 factor = window.prompt("Contrast (-8, 8)", cont); | |
521 } | |
522 data.settings.cont = factor; | |
523 redisplay(data); | |
681 | 524 }, |
703 | 525 |
683 | 526 // display more (or less) button sets |
741 | 527 moreButtons : function (data, more) { |
689 | 528 var settings = data.settings; |
692 | 529 if (more == null) { |
696 | 530 // toggle more or less (only works for 2 sets) |
692 | 531 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
532 if (settings.visibleButtonSets >= maxbtns) { | |
533 more = '-1'; | |
534 } else { | |
535 more = '+1'; | |
536 } | |
537 } | |
683 | 538 if (more === '-1') { |
539 // remove set | |
690 | 540 var setIdx = settings.visibleButtonSets - 1; |
541 if (showButtons(data, false, setIdx, true)) { | |
542 settings.visibleButtonSets--; | |
543 } | |
683 | 544 } else { |
545 // add set | |
690 | 546 var setIdx = settings.visibleButtonSets; |
547 if (showButtons(data, true, setIdx, true)) { | |
548 settings.visibleButtonSets++; | |
683 | 549 } |
550 } | |
716 | 551 // persist setting |
552 storeOptions(data); | |
684 | 553 }, |
681 | 554 |
696 | 555 // reset image parameters to defaults |
681 | 556 reset : function (data) { |
557 var settings = data.settings; | |
558 var paramNames = settings.digilibParamNames; | |
559 var params = data.queryParams; | |
560 // delete all digilib parameters | |
561 for (var i = 0; i < paramNames.length; i++) { | |
562 var paramName = paramNames[i]; | |
563 delete settings[paramName]; | |
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564 } |
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565 settings.fn = params.fn || ''; // no default defined |
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566 settings.pn = params.pn || defaults.pn; |
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567 settings.dw = params.dw; |
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568 settings.dh = params.dh; |
702 | 569 settings.isBirdDivVisible = false; |
570 settings.visibleButtonSets = 1; | |
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571 // resets zoomArea, marks, scalerflags |
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572 data.zoomArea = FULL_AREA; |
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573 data.marks = []; |
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574 data.scalerFlags = {}; |
705 | 575 delete data.dlOpts.fitwidth; |
576 delete data.dlOpts.fitheight; | |
681 | 577 redisplay(data); |
682 | 578 }, |
579 | |
696 | 580 // presents a reference url (returns value if noprompt) |
581 reference : function (data, noprompt) { | |
682 | 582 var settings = data.settings; |
737 | 583 var url = getDigilibUrl(data); |
696 | 584 if (noprompt == null) { |
585 window.prompt("URL reference to the current view", url); | |
586 } | |
587 return url; | |
588 }, | |
703 | 589 |
696 | 590 // set image quality |
741 | 591 setQuality : function (data, qual) { |
696 | 592 var oldq = getQuality(data); |
593 if (qual == null) { | |
594 qual = window.prompt("Image quality (0..2)", oldq); | |
595 } | |
596 qual = parseInt(qual, 10); | |
597 if (qual >= 0 && qual <= 2) { | |
598 setQuality(data, qual); | |
599 redisplay(data); | |
600 } | |
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601 }, |
753
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602 |
747
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603 // calibrate (only faking) |
765
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604 calibrate : function (data, res) { |
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605 var oldRes = data.settings.ddpi; |
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606 if (res == null) { |
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607 res = window.prompt("Display resolution (dpi)", oldRes); |
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608 } |
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609 if (res != null) { |
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610 data.settings.ddpi = res; |
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611 redisplay(data); |
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612 } |
753
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613 }, |
768 | 614 |
754
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615 // set image scale mode |
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616 setScaleMode : function (data, mode) { |
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617 var oldM = getScaleMode(data); |
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618 if (mode == null) { |
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619 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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620 } |
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621 if (mode != null) { |
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622 setScaleMode(data, mode); |
756
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623 data.scaleMode = mode; |
754
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624 redisplay(data); |
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625 } |
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626 } |
768 | 627 |
756
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628 // end of actions |
598 | 629 }; |
597 | 630 |
601 | 631 // returns parameters from page url |
600 | 632 var parseQueryParams = function() { |
629 | 633 return parseQueryString(window.location.search.slice(1)); |
634 }; | |
648 | 635 |
629 | 636 // returns parameters from embedded img-element |
600 | 637 var parseImgParams = function($elem) { |
606
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638 var src = $elem.find('img').first().attr('src'); |
703 | 639 if (!src) return null; |
600 | 640 var pos = src.indexOf('?'); |
641 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
642 var scalerUrl = src.substring(0, pos); | |
620 | 643 var params = parseQueryString(query); |
644 params.scalerBaseUrl = scalerUrl; | |
645 return params; | |
629 | 646 }; |
600 | 647 |
601 | 648 // parses query parameter string into parameter object |
600 | 649 var parseQueryString = function(query) { |
694 | 650 var params = {}; |
651 if (query == null) return params; | |
600 | 652 var pairs = query.split("&"); |
629 | 653 //var keys = []; |
600 | 654 for (var i = 0; i < pairs.length; i++) { |
655 var pair = pairs[i].split("="); | |
656 if (pair.length === 2) { | |
620 | 657 params[pair[0]] = pair[1]; |
629 | 658 //keys.push(pair[0]); |
627 | 659 } |
629 | 660 } |
620 | 661 return params; |
629 | 662 }; |
661 | 663 |
636 | 664 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
665 var getParamString = function (settings, keys, defaults) { | |
608 | 666 var paramString = ''; |
643 | 667 var nx = false; |
608 | 668 for (i = 0; i < keys.length; ++i) { |
669 var key = keys[i]; | |
656 | 670 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
608 | 671 // first param gets no '&' |
643 | 672 if (nx) { |
673 paramString += '&'; | |
674 } else { | |
675 nx = true; | |
676 } | |
608 | 677 // add parm=val |
678 paramString += key + '=' + settings[key]; | |
636 | 679 } |
608 | 680 } |
681 return paramString; | |
624 | 682 }; |
683 | |
629 | 684 // returns URL and query string for Scaler |
685 var getScalerUrl = function (data) { | |
734 | 686 packParams(data); |
646 | 687 var settings = data.settings; |
645 | 688 if (settings.scalerBaseUrl == null) { |
689 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
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690 } |
629 | 691 var keys = settings.scalerParamNames; |
636 | 692 var queryString = getParamString(settings, keys, defaults); |
629 | 693 var url = settings.scalerBaseUrl + '?' + queryString; |
694 return url; | |
695 }; | |
696 | |
734 | 697 // returns URL for bird's eye view image |
736 | 698 var getBirdImgUrl = function (data, moreParams) { |
734 | 699 var settings = data.settings; |
700 var birdDivOptions = { | |
701 dw : settings.birdDivWidth, | |
702 dh : settings.birdDivHeight | |
703 }; | |
736 | 704 var birdSettings = jQuery.extend({}, settings, birdDivOptions); |
734 | 705 // use only the relevant parameters |
736 | 706 if (moreParams == null) { |
707 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
708 } else { | |
760 | 709 // filter scaler flags |
710 if (birdSettings.mo != null) { | |
711 var mo = ''; | |
712 if (data.scalerFlags.hmir != null) { | |
713 mo += 'hmir,'; | |
714 } | |
715 if (data.scalerFlags.vmir != null) { | |
716 mo += 'vmir'; | |
717 } | |
718 birdSettings.mo = mo; | |
719 } | |
736 | 720 var params = getParamString(birdSettings, |
721 settings.birdDivParams.concat(moreParams), defaults); | |
722 } | |
723 var url = settings.scalerBaseUrl + '?' + params; | |
734 | 724 return url; |
725 }; | |
738
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726 |
629 | 727 // returns URL and query string for current digilib |
637
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728 var getDigilibUrl = function (data) { |
636 | 729 packParams(data); |
629 | 730 var settings = data.settings; |
637
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731 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
737 | 732 return settings.digilibBaseUrl + '?' + queryString; |
629 | 733 }; |
734 | |
760 | 735 // loads image information from digilib server via HTTP (and calls complete-fn) |
736 var loadImageInfo = function (data, complete) { | |
747
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737 var settings = data.settings; |
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738 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
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739 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
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740 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
760 | 741 // TODO: better error handling |
747
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|
742 jQuery.getJSON(url, function (json) { |
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|
743 console.debug("got json data=", json); |
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744 data.imgInfo = json; |
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745 if (complete != null) { |
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|
746 complete.call(this, data, json); |
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|
747 } |
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|
748 }); |
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|
749 }; |
768 | 750 |
648 | 751 // processes some parameters into objects and stuff |
624 | 752 var unpackParams = function (data) { |
753 var settings = data.settings; | |
629 | 754 // zoom area |
624 | 755 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
636 | 756 data.zoomArea = zoomArea; |
629 | 757 // marks |
624 | 758 var marks = []; |
643 | 759 if (settings.mk) { |
760 var mk = settings.mk; | |
761 if (mk.indexOf(";") >= 0) { | |
762 var pa = mk.split(";"); // old format with ";" | |
763 } else { | |
764 var pa = mk.split(","); // new format | |
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765 } |
643 | 766 for (var i = 0; i < pa.length ; i++) { |
767 var pos = pa[i].split("/"); | |
768 if (pos.length > 1) { | |
769 marks.push(geom.position(pos[0], pos[1])); | |
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770 } |
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771 } |
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772 } |
636 | 773 data.marks = marks; |
643 | 774 // mo (Scaler flags) |
775 var flags = {}; | |
776 if (settings.mo) { | |
777 var pa = settings.mo.split(","); | |
778 for (var i = 0; i < pa.length ; i++) { | |
779 flags[pa[i]] = pa[i]; | |
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780 } |
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|
781 } |
643 | 782 data.scalerFlags = flags; |
756
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783 data.scaleMode = getScaleMode(data); |
716 | 784 retrieveOptions(data); |
648 | 785 }; |
786 | |
624 | 787 // put objects back into parameters |
788 var packParams = function (data) { | |
789 var settings = data.settings; | |
629 | 790 // zoom area |
636 | 791 if (data.zoomArea) { |
640 | 792 settings.wx = cropFloat(data.zoomArea.x); |
793 settings.wy = cropFloat(data.zoomArea.y); | |
794 settings.ww = cropFloat(data.zoomArea.width); | |
795 settings.wh = cropFloat(data.zoomArea.height); | |
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796 } |
629 | 797 // marks |
636 | 798 if (data.marks) { |
643 | 799 settings.mk = ''; |
636 | 800 for (var i = 0; i < data.marks.length; i++) { |
643 | 801 if (i) { |
802 settings.mk += ','; | |
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803 } |
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804 settings.mk += cropFloat(data.marks[i].x).toString() + |
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805 '/' + cropFloat(data.marks[i].y).toString(); |
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806 } |
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807 } |
643 | 808 // Scaler flags |
809 if (data.scalerFlags) { | |
810 var mo = ''; | |
811 for (var f in data.scalerFlags) { | |
812 if (mo) { | |
813 mo += ','; | |
814 } | |
815 mo += f; | |
816 } | |
817 settings.mo = mo; | |
818 } | |
703 | 819 // user interface options |
716 | 820 storeOptions(data); |
702 | 821 }; |
681 | 822 |
716 | 823 var storeOptions = function (data) { |
694 | 824 // save digilib options in cookie |
702 | 825 var settings = data.settings; |
826 if (data.dlOpts) { | |
827 // save digilib settings in options | |
828 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
829 data.dlOpts.buttons = settings.visibleButtonSets; | |
830 var clop = ''; | |
831 for (var o in data.dlOpts) { | |
832 if (clop) { | |
833 clop += '&'; | |
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834 } |
702 | 835 clop += o + '=' + data.dlOpts[o]; |
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836 } |
702 | 837 if (jQuery.cookie) { |
838 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
839 console.debug("set cookie=", ck, " value=", clop); | |
840 jQuery.cookie(ck, clop); | |
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841 } |
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842 } |
720 | 843 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
844 // store normal parameters in cookie for embedded mode | |
845 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
846 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
847 console.debug("set cookie=", ck, " value=", qs); | |
848 jQuery.cookie(ck, qs); | |
849 } | |
624 | 850 }; |
648 | 851 |
716 | 852 var retrieveOptions = function (data) { |
702 | 853 // clop (digilib options) |
854 var opts = {}; | |
855 var settings = data.settings; | |
856 if (jQuery.cookie) { | |
857 // read from cookie | |
858 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
859 var cp = jQuery.cookie(ck); | |
860 console.debug("get cookie=", ck, " value=", cp); | |
861 // in query string format | |
862 opts = parseQueryString(cp); | |
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863 } |
702 | 864 data.dlOpts = opts; |
865 // birdview option | |
866 if (opts.birdview != null) { | |
867 settings.isBirdDivVisible = opts.birdview === '1'; | |
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868 } |
702 | 869 // visible button sets |
870 if (opts.buttons != null) { | |
871 settings.visibleButtonSets = opts.buttons; | |
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872 } |
704 | 873 }; |
702 | 874 |
615 | 875 // (re)load the img from a new scaler URL |
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876 var redisplay = function (data) { |
629 | 877 var settings = data.settings; |
878 if (settings.interactionMode === 'fullscreen') { | |
879 // update location.href (browser URL) in fullscreen mode | |
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880 var url = getDigilibUrl(data); |
629 | 881 var history = window.history; |
882 if (typeof(history.pushState) === 'function') { | |
883 console.debug("we could modify history, but we don't..."); | |
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884 } |
629 | 885 window.location = url; |
886 } else { | |
887 // embedded mode -- just change img src | |
888 var url = getScalerUrl(data); | |
889 data.$img.attr('src', url); | |
719 | 890 // redisplay bird img |
891 updateBirdDiv(data); | |
758 | 892 highlightButtons(data); |
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893 } |
615 | 894 }; |
895 | |
760 | 896 // update display (overlays etc.) |
897 var updateDisplay = function (data) { | |
898 updateImgTrafo(data); | |
899 renderMarks(data); | |
900 setupZoomDrag(data); | |
901 if (data.settings.isBirdDivVisible) { | |
902 renderBirdArea(data); | |
903 setupBirdDrag(data); | |
904 } | |
905 // TODO: update event subscriber? | |
906 }; | |
768 | 907 |
655 | 908 // returns maximum size for scaler img in fullscreen mode |
771 | 909 var getFullscreenImgSize = function (data) { |
655 | 910 var $win = $(window); |
911 var winH = $win.height(); | |
772 | 912 var winW = $win.width(); |
913 var $body = $('body'); | |
914 // include standard body margin | |
915 var bodyB = $body.outerWidth(true) - $body.width(); | |
916 // get width of first button div | |
917 var buttonsW = 0; | |
918 if (data.$buttonSets) { | |
919 buttonsW = data.$buttonSets[0].outerWidth(); | |
920 } | |
921 // account for left/right border, body margins and additional requirements | |
922 var calcW = winW - bodyB - buttonsW - data.settings.scalerInset; | |
923 console.debug(winW, winH, 'winW:', $win.width(), 'bodyBorder:', bodyB, 'buttonsW:', buttonsW, 'calc:', calcW); | |
924 return geom.size(calcW, winH); | |
655 | 925 }; |
926 | |
601 | 927 // creates HTML structure for digilib in elem |
620 | 928 var setupScalerDiv = function (data) { |
929 var settings = data.settings; | |
640 | 930 var $elem = data.$elem; |
718 | 931 $elem.addClass('digilib'); |
721 | 932 var $img; |
933 var scalerUrl; | |
601 | 934 if (settings.interactionMode === 'fullscreen') { |
721 | 935 // fullscreen |
718 | 936 $elem.addClass('dl_fullscreen'); |
771 | 937 var imgSize = getFullscreenImgSize(data); |
643 | 938 // fitwidth/height omits destination height/width |
721 | 939 if (data.dlOpts.fitheight == null) { |
643 | 940 settings.dw = imgSize.width; |
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941 } |
721 | 942 if (data.dlOpts.fitwidth == null) { |
643 | 943 settings.dh = imgSize.height; |
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944 } |
679 | 945 scalerUrl = getScalerUrl(data); |
721 | 946 $img = $('<img/>'); |
602 | 947 } else { |
721 | 948 // embedded mode -- try to keep img tag |
718 | 949 $elem.addClass('dl_embedded'); |
721 | 950 scalerUrl = getScalerUrl(data); |
616 | 951 $img = $elem.find('img'); |
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952 if ($img.length > 0) { |
721 | 953 oldUrl = $img.attr('src'); |
954 if (oldUrl === scalerUrl) { | |
955 console.debug("img detach:", $img); | |
956 $img.detach(); | |
957 } else { | |
958 $img = $('<img/>'); | |
959 } | |
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960 } else { |
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961 $img = $('<img/>'); |
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962 } |
601 | 963 } |
772 | 964 // create new inner html, keep buttons |
965 $elem.contents(":not(div.buttons)").remove(); | |
606
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966 var $scaler = $('<div class="scaler"/>'); |
772 | 967 // scaler should be the first child element? |
968 $elem.prepend($scaler); | |
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969 $scaler.append($img); |
615 | 970 $img.addClass('pic'); |
642 | 971 data.$scaler = $scaler; |
629 | 972 data.$img = $img; |
680 | 973 // setup image load handler before setting the src attribute (IE bug) |
974 $img.load(scalerImgLoadedHandler(data)); | |
760 | 975 $img.error(function () {console.error("error loading scaler image");}); |
680 | 976 $img.attr('src', scalerUrl); |
601 | 977 }; |
608 | 978 |
603 | 979 // creates HTML structure for buttons in elem |
690 | 980 var createButtons = function (data, buttonSetIdx) { |
640 | 981 var $elem = data.$elem; |
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982 var settings = data.settings; |
658 | 983 var mode = settings.interactionMode; |
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984 var buttonSettings = settings.buttonSettings[mode]; |
675 | 985 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
683 | 986 if (buttonGroup == null) { |
987 // no buttons here | |
988 return; | |
989 } | |
990 var $buttonsDiv = $('<div class="buttons"/>'); | |
675 | 991 var buttonNames = buttonSettings[buttonGroup]; |
992 for (var i = 0; i < buttonNames.length; i++) { | |
993 var buttonName = buttonNames[i]; | |
994 var buttonConfig = settings.buttons[buttonName]; | |
658 | 995 // construct the button html |
996 var $button = $('<div class="button"></div>'); | |
997 var $a = $('<a/>'); | |
998 var $img = $('<img class="button"/>'); | |
999 $buttonsDiv.append($button); | |
1000 $button.append($a); | |
1001 $a.append($img); | |
1002 // add attributes and bindings | |
1003 $button.attr('title', buttonConfig.tooltip); | |
675 | 1004 $button.addClass('button-' + buttonName); |
658 | 1005 // create handler for the buttons |
1006 $a.bind('click.digilib', (function () { | |
1007 // we create a new closure to capture the value of action | |
1008 var action = buttonConfig.onclick; | |
1009 if ($.isArray(action)) { | |
1010 // the handler function calls digilib with action and parameters | |
1011 return function (evt) { | |
1012 console.debug('click action=', action, ' evt=', evt); | |
1013 $elem.digilib.apply($elem, action); | |
1014 return false; | |
1015 }; | |
1016 } else { | |
1017 // the handler function calls digilib with action | |
1018 return function (evt) { | |
1019 console.debug('click action=', action, ' evt=', evt); | |
1020 $elem.digilib(action); | |
1021 return false; | |
1022 }; | |
1023 } | |
1024 })()); | |
758 | 1025 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
683 | 1026 } |
655 | 1027 // make buttons div scroll if too large for window |
1028 if ($buttonsDiv.height() > $(window).height() - 10) { | |
1029 $buttonsDiv.css('position', 'absolute'); | |
1030 } | |
690 | 1031 // buttons hidden at first |
1032 $buttonsDiv.hide(); | |
1033 $elem.append($buttonsDiv); | |
675 | 1034 if (data.$buttonSets == null) { |
690 | 1035 // first button set |
675 | 1036 data.$buttonSets = [$buttonsDiv]; |
1037 } else { | |
683 | 1038 $elem.append($buttonsDiv); |
675 | 1039 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
1040 } | |
605 | 1041 return $buttonsDiv; |
603 | 1042 }; |
608 | 1043 |
1044 // creates HTML structure for the bird's eye view in elem | |
631 | 1045 var setupBirdDiv = function (data) { |
640 | 1046 var $elem = data.$elem; |
608 | 1047 // the bird's eye div |
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1048 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
608 | 1049 // the detail indicator frame |
719 | 1050 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
608 | 1051 // the small image |
1052 var $birdImg = $('<img class="birdimg"/>'); | |
716 | 1053 data.$birdDiv = $birdDiv; |
1054 data.$birdZoom = $birdZoom; | |
1055 data.$birdImg = $birdImg; | |
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1056 $elem.append($birdDiv); |
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1057 $birdDiv.append($birdZoom); |
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1058 $birdDiv.append($birdImg); |
768 | 1059 // $birdZoom.css(data.settings.birdIndicatorStyle); |
716 | 1060 var birdUrl = getBirdImgUrl(data); |
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1061 $birdImg.load(birdImgLoadedHandler(data)); |
760 | 1062 $birdImg.error(function () {console.error("error loading birdview image");}); |
716 | 1063 $birdImg.attr('src', birdUrl); |
1064 }; | |
1065 | |
1066 // update bird's eye view | |
1067 var updateBirdDiv = function (data) { | |
1068 if (!data.settings.isBirdDivVisible) return; | |
1069 var $birdImg = data.$birdImg; | |
1070 var oldsrc = $birdImg.attr('src'); | |
1071 var newsrc = getBirdImgUrl(data); | |
1072 if (oldsrc !== newsrc) { | |
1073 $birdImg.attr('src', newsrc); | |
1074 // onload handler re-renders | |
1075 } else { | |
1076 // re-render | |
1077 renderBirdArea(data); | |
723 | 1078 // enable click and drag |
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1079 setupBirdDrag(data); |
716 | 1080 } |
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1081 }; |
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1082 |
618 | 1083 // creates HTML structure for the about view in elem |
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1084 var setupAboutDiv = function (data) { |
640 | 1085 var $elem = data.$elem; |
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1086 var settings = data.settings; |
618 | 1087 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
609 | 1088 var $header = $('<p>Digilib Graphic Viewer</p>'); |
1089 var $link = $('<a/>'); | |
1090 var $logo = $('<img class="logo" title="digilib"/>'); | |
1091 var $content = $('<p/>'); | |
1092 $elem.append($aboutDiv); | |
1093 $aboutDiv.append($header); | |
1094 $aboutDiv.append($link); | |
1095 $aboutDiv.append($content); | |
1096 $link.append($logo); | |
1097 $logo.attr('src', settings.logoUrl); | |
628 | 1098 $link.attr('href', settings.homeUrl); |
609 | 1099 $content.text('Version: ' + settings.version); |
768 | 1100 data.$aboutDiv = $aboutDiv; |
628 | 1101 // click hides |
768 | 1102 $aboutDiv.bind('click.digilib', function () { |
1103 actions['showAboutDiv'](data, false); | |
703 | 1104 }); |
627 | 1105 }; |
1106 | |
628 | 1107 // shows some window e.g. 'about' (toggle visibility if show is null) |
1108 var showDiv = function (isVisible, $div, show) { | |
638 | 1109 if (show == null) { |
628 | 1110 // toggle visibility |
1111 isVisible = !isVisible; | |
1112 } else { | |
1113 // set visibility | |
1114 isVisible = show; | |
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1115 } |
628 | 1116 if (isVisible) { |
1117 $div.fadeIn(); | |
1118 } else { | |
1119 $div.fadeOut(); | |
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1120 } |
628 | 1121 return isVisible; |
627 | 1122 }; |
609 | 1123 |
690 | 1124 // display more (or less) button sets |
1125 var showButtons = function (data, more, setIdx, animated) { | |
704 | 1126 var atime = animated ? 'fast': 0; |
690 | 1127 if (more) { |
1128 // add set | |
1129 var $otherSets = data.$elem.find('div.buttons:visible'); | |
1130 var $set; | |
1131 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
1132 // set exists | |
1133 $set = data.$buttonSets[setIdx]; | |
1134 } else { | |
1135 $set = createButtons(data, setIdx); | |
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1136 } |
690 | 1137 if ($set == null) return false; |
758 | 1138 // include border in calculation |
1139 var btnWidth = $set.outerWidth(); | |
772 | 1140 // console.debug("btnWidth", btnWidth); |
690 | 1141 // move remaining sets left and show new set |
704 | 1142 if ($otherSets.length > 0) { |
1143 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
1144 function () {$set.show();}); | |
690 | 1145 } else { |
1146 $set.show(); | |
704 | 1147 } |
690 | 1148 } else { |
1149 // remove set | |
1150 var $set = data.$buttonSets[setIdx]; | |
1151 if ($set == null) return false; | |
772 | 1152 var btnWidth = $set.outerWidth(); |
690 | 1153 // hide last set |
1154 $set.hide(); | |
1155 // take remaining sets and move right | |
1156 var $otherSets = data.$elem.find('div.buttons:visible'); | |
704 | 1157 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
1158 } | |
690 | 1159 return true; |
1160 }; | |
1161 | |
758 | 1162 // check for buttons to highlight |
1163 var highlightButtons = function (data, name, on) { | |
1164 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
1165 // add a class for highlighted button | |
1166 var highlight = function (name, on) { | |
1167 var $button = $buttons.find('div.button-' + name); | |
1168 if (on) { | |
1169 $button.addClass('button-on'); | |
1170 } else { | |
1171 $button.removeClass('button-on'); | |
1172 } | |
1173 }; | |
1174 if (name != null) { | |
1175 return highlight(name, on); | |
1176 } | |
1177 var flags = data.scalerFlags; | |
1178 var settings = data.settings; | |
1179 highlight('rot', settings.rot); | |
1180 highlight('brgt', settings.brgt); | |
1181 highlight('cont', settings.cont); | |
1182 highlight('bird', settings.isBirdDivVisible); | |
1183 highlight('help', settings.isAboutDivVisible); | |
1184 highlight('hmir', flags.hmir); | |
1185 highlight('vmir', flags.vmir); | |
759 | 1186 highlight('quality', flags.q1 || flags.q2); |
758 | 1187 highlight('zoomin', ! isFullArea(data.zoomArea)); |
1188 }; | |
768 | 1189 |
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1190 // create Transform from area and $img |
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1191 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
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1192 var picrect = geom.rectangle($img); |
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1193 if (mode != null) { |
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1194 var imgInfo = data.imgInfo; |
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1195 if (mode === 'pixel') { |
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1197 if (imgInfo != null) { |
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1198 area.width = picrect.width / imgInfo.width; |
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1199 area.height = picrect.height / imgInfo.height; |
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1200 } else { |
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1201 console.error("No image info for pixel mode!"); |
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1202 } |
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1203 } |
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1204 if (mode === 'size') { |
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1205 // scaler mo=osize - image area size does not come from ww, wh |
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1206 if (imgInfo != null) { |
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1207 var ddpi = parseFloat(data.settings.ddpi); |
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1208 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
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1209 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
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1210 } else { |
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1211 console.error("No image info for original size mode!"); |
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1212 } |
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1213 } |
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1214 } |
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1215 var trafo = geom.transform(); |
668 | 1216 // move zoom area offset to center |
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1217 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
668 | 1218 // scale zoom area size to [1,1] |
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1219 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
668 | 1220 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
1221 if (rot || hmir || vmir) { | |
1222 // move [0.5,0.5] to center | |
1223 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
1224 if (hmir) { | |
1225 // mirror about center | |
1226 trafo.concat(trafo.getMirror('y')); | |
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1227 } |
668 | 1228 if (vmir) { |
1229 // mirror about center | |
1230 trafo.concat(trafo.getMirror('x')); | |
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1231 } |
668 | 1232 if (rot) { |
1233 // rotate around center | |
1234 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1235 } |
668 | 1236 // move back |
1237 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1238 } |
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1239 // scale to screen position and size |
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1240 trafo.concat(trafo.getScale(picrect)); |
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1241 trafo.concat(trafo.getTranslation(picrect)); |
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
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649
diff
changeset
|
1242 return trafo; |
648 | 1243 }; |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1244 |
760 | 1245 // update scaler image transform |
1246 var updateImgTrafo = function (data) { | |
1247 var $img = data.$img; | |
1248 if ($img != null && $img.get(0).complete) { | |
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1249 // create Transform from current zoomArea and image size |
668 | 1250 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1251 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1252 data.scaleMode, data); |
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1253 // console.debug("imgTrafo=", data.imgTrafo); |
760 | 1254 } |
1255 }; | |
768 | 1256 |
760 | 1257 // returns function for load event of scaler img |
1258 var scalerImgLoadedHandler = function (data) { | |
1259 return function () { | |
1260 var $img = $(this); | |
1261 console.debug("scaler img loaded=",$img); | |
1262 var $scaler = data.$scaler; | |
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
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748
diff
changeset
|
1263 var imgRect = geom.rectangle($img); |
726 | 1264 // adjust scaler div size |
731 | 1265 imgRect.adjustDiv($scaler); |
708 | 1266 // show image in case it was hidden (for example in zoomDrag) |
726 | 1267 $img.css('visibility', 'visible'); |
734 | 1268 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
760 | 1269 // update display (render marks, etc.) |
1270 updateDisplay(data); | |
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1271 }; |
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1272 }; |
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1273 |
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1274 // returns function for load event of bird's eye view img |
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
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diff
changeset
|
1275 var birdImgLoadedHandler = function (data) { |
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
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diff
changeset
|
1276 return function () { |
748 | 1277 var $birdImg = $(this); |
1278 var birdRect = geom.rectangle($birdImg); | |
1279 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
1280 if (birdRect.width === 0) { | |
1281 // malheureusement IE7 calls load handler when there is no size info yet | |
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
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753
diff
changeset
|
1282 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
748 | 1283 } |
760 | 1284 // update display (zoom area indicator) |
1285 updateDisplay(data); | |
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1286 }; |
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1287 }; |
626 | 1288 |
1289 // place marks on the image | |
1290 var renderMarks = function (data) { | |
760 | 1291 if (data.$img == null || data.imgTrafo == null) return; |
1292 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
640 | 1293 var $elem = data.$elem; |
636 | 1294 var marks = data.marks; |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1295 // clear marks |
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
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diff
changeset
|
1296 $elem.find('div.mark').remove(); |
626 | 1297 for (var i = 0; i < marks.length; i++) { |
1298 var mark = marks[i]; | |
636 | 1299 if (data.zoomArea.containsPosition(mark)) { |
626 | 1300 var mpos = data.imgTrafo.transform(mark); |
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
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diff
changeset
|
1301 console.debug("renderMarks: mpos=",mpos); |
626 | 1302 // create mark |
1303 var html = '<div class="mark">'+(i+1)+'</div>'; | |
1304 var $mark = $(html); | |
1305 $elem.append($mark); | |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1306 mpos.adjustDiv($mark); |
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1307 } |
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1308 } |
626 | 1309 }; |
648 | 1310 |
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
1311 // show zoom area indicator on bird's eye view |
716 | 1312 var renderBirdArea = function (data) { |
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1313 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1314 var $birdZoom = data.$birdZoom; |
652 | 1315 var zoomArea = data.zoomArea; |
716 | 1316 var normalSize = isFullArea(zoomArea); |
1317 if (normalSize) { | |
1318 $birdZoom.hide(); | |
1319 return; | |
1320 } else { | |
1321 $birdZoom.show(); | |
1322 } | |
748 | 1323 // create Transform from current area and picsize |
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1324 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
731 | 1325 var zoomRect = data.birdTrafo.transform(zoomArea); |
748 | 1326 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
734 | 1327 // acount for border width |
768 | 1328 var bw = getBorderWidth($birdZoom); |
1329 zoomRect.addPosition({x : -bw, y : -bw}); | |
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1330 if (data.settings.interactionMode === 'fullscreen') { |
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1331 // no animation for fullscreen |
731 | 1332 zoomRect.adjustDiv($birdZoom); |
716 | 1333 } else { |
1334 // nice animation for embedded mode :-) | |
734 | 1335 // correct offsetParent because animate doesn't use offset |
719 | 1336 var ppos = $birdZoom.offsetParent().offset(); |
731 | 1337 var dest = { |
748 | 1338 left : (zoomRect.x - ppos.left) + 'px', |
1339 top : (zoomRect.y - ppos.top) + 'px', | |
1340 width : zoomRect.width, | |
1341 height : zoomRect.height | |
1342 }; | |
731 | 1343 $birdZoom.animate(dest); |
716 | 1344 } |
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1345 }; |
652 | 1346 |
640 | 1347 // zooms by the given factor |
636 | 1348 var zoomBy = function(data, factor) { |
1349 var area = data.zoomArea; | |
1350 var newarea = area.copy(); | |
1351 // scale | |
1352 newarea.width /= factor; | |
1353 newarea.height /= factor; | |
1354 // and recenter | |
1355 newarea.x -= 0.5 * (newarea.width - area.width); | |
1356 newarea.y -= 0.5 * (newarea.height - area.height); | |
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1357 newarea = FULL_AREA.fit(newarea); |
636 | 1358 data.zoomArea = newarea; |
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1359 redisplay(data); |
636 | 1360 }; |
1361 | |
640 | 1362 // add a mark where clicked |
1363 var setMark = function (data) { | |
642 | 1364 var $scaler = data.$scaler; |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1365 // unbind other handler |
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1366 $scaler.unbind(".dlZoomDrag"); |
640 | 1367 // start event capturing |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1368 $scaler.one('mousedown.dlSetMark', function (evt) { |
640 | 1369 // event handler adding a new mark |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1370 console.log("setmark at=", evt); |
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1371 var mpos = geom.position(evt); |
640 | 1372 var pos = data.imgTrafo.invtransform(mpos); |
1373 data.marks.push(pos); | |
1374 redisplay(data); | |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1375 return false; |
640 | 1376 }); |
1377 }; | |
661 | 1378 |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1379 // zoom to the area around two clicked points |
647 | 1380 var zoomArea = function(data) { |
1381 $elem = data.$elem; | |
1382 $scaler = data.$scaler; | |
1383 var pt1, pt2; | |
1384 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
1385 $elem.append($zoomDiv); | |
768 | 1386 // $zoomDiv.css(data.settings.zoomrectStyle); |
647 | 1387 var picRect = geom.rectangle($scaler); |
1388 // FIX ME: is there a way to query the border width from CSS info? | |
1389 // rect.x -= 2; // account for overlay borders | |
1390 // rect.y -= 2; | |
1391 | |
1392 var zoomStart = function (evt) { | |
1393 pt1 = geom.position(evt); | |
1394 // setup and show zoom div | |
731 | 1395 pt1.adjustDiv($zoomDiv); |
661 | 1396 $zoomDiv.width(0).height(0); |
647 | 1397 $zoomDiv.show(); |
1398 // register events | |
731 | 1399 $elem.bind("mousemove.dlZoomArea", zoomMove); |
1400 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
647 | 1401 return false; |
1402 }; | |
661 | 1403 |
734 | 1404 // mouse move handler |
1405 var zoomMove = function (evt) { | |
1406 pt2 = geom.position(evt); | |
1407 var rect = geom.rectangle(pt1, pt2); | |
1408 rect.clipTo(picRect); | |
1409 // update zoom div | |
1410 rect.adjustDiv($zoomDiv); | |
1411 return false; | |
1412 }; | |
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1413 |
647 | 1414 // mouseup handler: end moving |
1415 var zoomEnd = function (evt) { | |
1416 pt2 = geom.position(evt); | |
1417 // assume a click and continue if the area is too small | |
1418 var clickRect = geom.rectangle(pt1, pt2); | |
703 | 1419 if (clickRect.getArea() <= 5) return false; |
647 | 1420 // hide zoom div |
1421 $zoomDiv.remove(); | |
1422 // unregister events | |
731 | 1423 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
1424 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
647 | 1425 // clip and transform |
1426 clickRect.clipTo(picRect); | |
1427 var area = data.imgTrafo.invtransform(clickRect); | |
1428 data.zoomArea = area; | |
1429 // zoomed is always fit | |
1430 data.settings.ws = 1; | |
731 | 1431 delete data.dlOpts.fitwidth; |
1432 delete data.dlOpts.fitheight; | |
647 | 1433 redisplay(data); |
1434 return false; | |
1435 }; | |
661 | 1436 |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1437 // clear old handler (also ZoomDrag) |
731 | 1438 $scaler.unbind('.dlZoomArea'); |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1439 $scaler.unbind(".dlZoomDrag"); |
731 | 1440 $elem.unbind('.dlZoomArea'); |
647 | 1441 // bind start zoom handler |
731 | 1442 $scaler.one('mousedown.dlZoomArea', zoomStart); |
647 | 1443 }; |
640 | 1444 |
716 | 1445 // bird's eye view zoom area click and drag handler |
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1446 var setupBirdDrag = function(data) { |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1447 var $birdImg = data.$birdImg; |
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
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670
diff
changeset
|
1448 var $birdZoom = data.$birdZoom; |
723 | 1449 var $document = $(document); |
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1450 var $scaler = data.$scaler; |
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1451 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
768 | 1452 var bw = getBorderWidth($birdZoom); |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1453 |
734 | 1454 // mousedown handler: start dragging bird zoom to a new position |
1455 var birdZoomStartDrag = function(evt) { | |
1456 startPos = geom.position(evt); | |
1457 // position may have changed | |
1458 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
1459 birdImgRect = geom.rectangle($birdImg); | |
1460 birdZoomRect = geom.rectangle($birdZoom); | |
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1461 scalerPos = geom.position($scaler); |
734 | 1462 newRect = null; |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1463 fullRect = setZoomBG(data); // setup zoom background image |
734 | 1464 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
1465 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
1466 return false; | |
1467 }; | |
1468 | |
726 | 1469 // mousemove handler: drag |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1470 var birdZoomMove = function(evt) { |
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1471 var pos = geom.position(evt); |
723 | 1472 var delta = startPos.delta(pos); |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1473 // move birdZoom div, keeping size |
723 | 1474 newRect = birdZoomRect.copy(); |
726 | 1475 newRect.addPosition(delta); |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1476 newRect.stayInside(birdImgRect); |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1477 // reflect birdview zoom position in scaler image |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1478 var area = data.birdTrafo.invtransform(newRect); |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1479 var imgArea = data.imgTrafo.transform(area); |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1480 var offset = imgArea.getPosition().neg(); |
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1481 offset.add(scalerPos); |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1482 if (fullRect) { |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1483 var bgPos = fullRect.getPosition().add(offset); |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1484 } else { |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1485 var bgPos = offset; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1486 } |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1487 // move the background image to the new position |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1488 data.$scaler.css({ |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1489 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1490 }); |
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1491 // acount for border width |
768 | 1492 newRect.addPosition({x : -bw, y : -bw}); |
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1493 newRect.adjustDiv($birdZoom); |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1494 return false; |
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1495 }; |
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1496 |
726 | 1497 // mouseup handler: reload page |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1498 var birdZoomEndDrag = function(evt) { |
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1499 var settings = data.settings; |
723 | 1500 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
1501 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
1502 if (newRect == null) { | |
1503 // no movement happened - set center to click position | |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1504 startPos = birdZoomRect.getCenter(); |
723 | 1505 birdZoomMove(evt); |
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1506 } |
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1507 // ugly, but needed to prevent double border width compensation |
768 | 1508 newRect.addPosition({x : bw, y : bw}); |
723 | 1509 var newArea = data.birdTrafo.invtransform(newRect); |
1510 data.zoomArea = newArea; | |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1511 redisplay(data); |
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1512 return false; |
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1513 }; |
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1514 |
723 | 1515 // clear old handler |
1516 $document.unbind(".dlBirdMove"); | |
1517 $birdImg.unbind(".dlBirdMove"); | |
1518 $birdZoom.unbind(".dlBirdMove"); | |
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1519 if (! isFullArea(data.zoomArea)) { |
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1520 // set new handler |
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1521 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1522 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1523 } |
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1524 }; |
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1525 |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1526 // move bird zoom indicator to reflect zoomed detail area |
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1527 var setBirdZoom = function(data, rect) { |
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1528 var part = data.imgTrafo.invtransform(rect); |
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1529 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1530 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1531 var birdRect = birdTrafo.transform(part); |
768 | 1532 var $birdZoom = data.$birdZoom; |
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1533 // acount for border width |
768 | 1534 var bw = getBorderWidth($birdZoom); |
1535 birdRect.addPosition({x : -bw, y : -bw}); | |
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1536 birdRect.adjustDiv(data.$birdZoom); |
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1537 }; |
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1538 |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1539 // set zoom background |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1540 var setZoomBG = function(data) { |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1541 var $scaler = data.$scaler; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
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parents:
738
diff
changeset
|
1542 var $img = data.$img; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1543 var fullRect = null; |
760 | 1544 // hide marks |
1545 data.$elem.find('div.mark').hide(); | |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1546 // hide the scaler img, show background of div instead |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1547 $img.css('visibility', 'hidden'); |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1548 var scalerCss = { |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1549 'background-image' : 'url(' + $img.attr('src') + ')', |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1550 'background-repeat' : 'no-repeat', |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1551 'background-position' : 'left top', |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1552 'opacity' : '0.5', |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1553 'cursor' : 'move' |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1554 }; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1555 if (data.hasBgSize) { |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1556 // full-size background using CSS3-background-size |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1557 fullRect = data.imgTrafo.transform(FULL_AREA); |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1558 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1559 // correct offset because background is relative |
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1560 var scalerPos = geom.position($scaler); |
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1561 fullRect.addPosition(scalerPos.neg()); |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1562 var url = getBirdImgUrl(data, ['rot', 'mo']); |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1563 scalerCss['background-image'] = 'url(' + url + ')'; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1564 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1565 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1566 } else { |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1567 // too big |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1568 fullRect = null; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1569 } |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1570 } |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1571 $scaler.css(scalerCss); |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1572 // isBgReady = true; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1573 return fullRect; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1574 }; |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1575 |
731 | 1576 // setup handlers for dragging the zoomed image |
698 | 1577 var setupZoomDrag = function(data) { |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1578 var startPos, delta, fullRect; |
726 | 1579 var $document = $(document); |
698 | 1580 var $elem = data.$elem; |
1581 var $scaler = data.$scaler; | |
1582 var $img = data.$img; | |
703 | 1583 |
726 | 1584 // drag the image and load a new detail on mouse up |
698 | 1585 var dragStart = function (evt) { |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1586 console.debug("dragstart at=",evt); |
730
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1587 // don't start dragging if not zoomed |
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1588 if (isFullArea(data.zoomArea)) return false; |
726 | 1589 startPos = geom.position(evt); |
734 | 1590 delta = null; |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1591 // set low res background immediately on mousedown |
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1592 fullRect = setZoomBG(data); |
726 | 1593 $document.bind("mousemove.dlZoomDrag", dragMove); |
1594 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1595 return false; |
698 | 1596 }; |
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1597 |
726 | 1598 // mousemove handler: drag zoomed image |
698 | 1599 var dragMove = function (evt) { |
1600 var pos = geom.position(evt); | |
734 | 1601 delta = startPos.delta(pos); |
1602 if (fullRect) { | |
1603 var bgPos = fullRect.getPosition().add(delta); | |
1604 } else { | |
1605 var bgPos = delta; | |
1606 } | |
698 | 1607 // move the background image to the new position |
708 | 1608 $scaler.css({ |
734 | 1609 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
698 | 1610 }); |
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1611 // set birdview indicator to reflect new zoom position |
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1612 var za = geom.rectangle($img); |
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1613 za.addPosition(delta.neg()); |
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1614 setBirdZoom(data, za); |
698 | 1615 return false; |
1616 }; | |
703 | 1617 |
726 | 1618 // mouseup handler: reload zoomed image in new position |
698 | 1619 var dragEnd = function (evt) { |
732 | 1620 $scaler.css('cursor', 'auto'); |
726 | 1621 $document.unbind("mousemove.dlZoomDrag", dragMove); |
1622 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
1623 if (delta == null || delta.distance() < 2) { | |
1624 // no movement | |
1625 $img.css('visibility', 'visible'); | |
734 | 1626 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
760 | 1627 // unhide marks |
1628 data.$elem.find('div.mark').show(); | |
726 | 1629 return false; |
1630 } | |
1631 // get old zoom area (screen coordinates) | |
734 | 1632 var za = geom.rectangle($img); |
726 | 1633 // move |
734 | 1634 za.addPosition(delta.neg()); |
726 | 1635 // transform back |
1636 var newArea = data.imgTrafo.invtransform(za); | |
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1637 data.zoomArea = FULL_AREA.fit(newArea); |
701
2660b733a1e7
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
700
diff
changeset
|
1638 redisplay(data); |
698 | 1639 return false; |
1640 }; | |
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1641 |
726 | 1642 // clear old handler |
1643 $document.unbind(".dlZoomDrag"); | |
734 | 1644 $scaler.unbind(".dlZoomDrag"); |
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1645 if (! isFullArea(data.zoomArea)) { |
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1646 // set handler |
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1647 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1648 } |
698 | 1649 }; |
1650 | |
696 | 1651 // get image quality as a number (0..2) |
1652 var getQuality = function (data) { | |
1653 var flags = data.scalerFlags; | |
1654 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
1655 return parseInt(q[1], 10); | |
699 | 1656 }; |
696 | 1657 |
1658 // set image quality as a number (0..2) | |
1659 var setQuality = function (data, qual) { | |
1660 var flags = data.scalerFlags; | |
1661 // clear flags | |
1662 for (var i = 0; i < 3; ++i) { | |
1663 delete flags['q'+i]; | |
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1664 } |
696 | 1665 flags['q'+qual] = 'q'+qual; |
699 | 1666 }; |
703 | 1667 |
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1668 // get image scale mode (screen, pixel, size) |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1669 var getScaleMode = function (data) { |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1670 if (data.scalerFlags.clip != null) { |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1671 return 'pixel'; |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1672 } else if (data.scalerFlags.osize != null) { |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1673 return 'size'; |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1674 } |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1675 // mo=fit is default |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1676 return 'screen'; |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1677 }; |
768 | 1678 |
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1679 // set image scale mode (screen, pixel, size) |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1680 var setScaleMode = function (data, mode) { |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1681 delete data.scalerFlags.fit; |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1682 delete data.scalerFlags.clip; |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1683 delete data.scalerFlags.osize; |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1684 if (mode === 'pixel') { |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1685 data.scalerFlags.clip = 'clip'; |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1686 } else if (mode === 'size') { |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1687 data.scalerFlags.osize = 'osize'; |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1688 } |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1689 // mo=fit is default |
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1690 }; |
768 | 1691 |
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1692 // sets a key to a value (relative values with +/- if relative=true) |
643 | 1693 var setNumValue = function(settings, key, value) { |
709 | 1694 if (value == null) return null; |
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1695 if (isNumber(value)) { |
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1696 settings[key] = value; |
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1697 return value; |
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1698 } |
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1699 var sign = value[0]; |
643 | 1700 if (sign === '+' || sign === '-') { |
1701 if (settings[key] == null) { | |
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1702 // this isn't perfect but still... |
643 | 1703 settings[key] = 0; |
706
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1704 } |
643 | 1705 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
1706 } else { | |
1707 settings[key] = value; | |
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1708 } |
643 | 1709 return settings[key]; |
1710 }; | |
648 | 1711 |
768 | 1712 // auxiliary function, assuming equal border width on all sides |
1713 var getBorderWidth = function($elem) { | |
1714 var border = $elem.outerWidth() - $elem.width(); | |
1715 return border/2; | |
1716 }; | |
1717 | |
648 | 1718 // auxiliary function (from old dllib.js) |
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1719 var isFullArea = function(area) { |
652 | 1720 return (area.width === 1.0) && (area.height === 1.0); |
648 | 1721 }; |
1722 | |
634 | 1723 // auxiliary function (from Douglas Crockford, A.10) |
1724 var isNumber = function isNumber(value) { | |
703 | 1725 return typeof value === 'number' && isFinite(value); |
634 | 1726 }; |
648 | 1727 |
624 | 1728 // auxiliary function to crop senseless precision |
1729 var cropFloat = function (x) { | |
630 | 1730 return parseInt(10000 * x, 10) / 10000; |
624 | 1731 }; |
648 | 1732 |
685 | 1733 // fallback for console.log calls |
1734 if (customConsole) { | |
1735 var logFunction = function(type) { | |
1736 return function(){ | |
1737 var $debug = $('#debug'); // debug div | |
1738 if (!$debug) return; | |
1739 var args = Array.prototype.slice.call(arguments); | |
1740 var argtext = args.join(' '); | |
1741 var $logDiv = $('<div/>'); | |
1742 $logDiv.addClass(type); | |
1743 $logDiv.text(argtext); | |
1744 $debug.append($logDiv); | |
1745 }; | |
1746 }; | |
1747 console.log = logFunction('_log'); | |
1748 console.debug = logFunction('_debug'); | |
1749 console.error = logFunction('_error'); | |
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1750 } |
685 | 1751 |
598 | 1752 // hook plugin into jquery |
771 | 1753 $.fn.digilib = function(action) { |
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1754 // plugin extension mechanism |
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1755 if (action === 'extendPlugin') { |
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1756 // for each digilib $elem extend data.settings with obj.options |
771 | 1757 // TODO: couldn't other plugins just access $elem.data('digilib')? |
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1758 if (obj.options) { |
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1759 this.each(function() { |
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1760 var $elem = $(this); |
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1761 // console.debug('extending:', $elem); |
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1762 var data = $elem.data('digilib'); |
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1763 if (!data) { |
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1764 return console.log('cannot extend digilib plugin, element not initialised!'); |
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1765 } |
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1766 var settings = data.settings; |
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1767 $.extend(settings, obj.options); |
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1768 // console.log('settings:', settings); |
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1769 }); |
771 | 1770 delete(obj.options); |
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1771 } |
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1772 // extend the plugin actions (to make this useful, |
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1773 // maybe we need to expose some more internal functions) |
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1774 $.extend(actions, obj); |
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1775 } else if (actions[action]) { |
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1776 // call action on this with the remaining arguments (inserting data as first argument) |
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1777 var $elem = $(this); |
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1778 var data = $elem.data('digilib'); |
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1779 var args = Array.prototype.slice.call(arguments, 1); |
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1780 args.unshift(data); |
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1781 return actions[action].apply(this, args); |
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1782 } else if (typeof(action) === 'object' || !action) { |
627 | 1783 // call init on this |
644
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1784 return actions.init.apply(this, arguments); |
598 | 1785 } else { |
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1786 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
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1787 } |
598 | 1788 }; |
685 | 1789 |
597 | 1790 })(jQuery); |