Mercurial > hg > digilib
annotate client/digitallibrary/jquery/jquery.digilib.js @ 765:5c04652f3660 jquery
original size mode works with zoom area now. needs error handling.
| author | robcast |
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| date | Thu, 10 Feb 2011 23:38:03 +0100 |
| parents | 08a4c2ddbf4b |
| children | 8944c61e08d1 |
| 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 }; | |
| 35 var customConsole = true; | |
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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 }, |
| 758 | 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'], |
| 661 | 247 // style of the zoom area indicator in the bird's eye div |
| 652 | 248 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, |
| 661 | 249 // style of zoom area "rubber band" |
| 250 'zoomrectStyle' : {'border' : '2px solid #ff0000' }, | |
| 609 | 251 // is the "about" window shown? |
| 734 | 252 'isAboutDivVisible' : false, |
| 253 // maximum width of background image for drag-scroll | |
| 254 'maxBgSize' : 10000 | |
| 609 | 255 |
| 603 | 256 }; |
| 648 | 257 |
| 601 | 258 // affine geometry classes |
| 259 var geom = dlGeometry(); | |
| 648 | 260 |
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261 var FULL_AREA = geom.rectangle(0, 0, 1, 1); |
| 648 | 262 |
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263 var actions = { |
| 661 | 264 // init: digilib initialization |
| 265 init : function(options) { | |
| 266 // settings for this digilib instance are merged from defaults and options | |
| 267 var settings = $.extend({}, defaults, options); | |
| 268 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 269 var queryParams = {}; | |
| 270 if (isFullscreen) { | |
| 271 queryParams = parseQueryParams(); | |
| 272 // check scalerBaseUrl | |
| 273 if (settings.scalerBaseUrl == null) { | |
| 274 // try the host this came from | |
| 275 var h = window.location.host; | |
| 276 if (window.location.host) { | |
| 277 var url = window.location.href; | |
| 278 // assume the page lives in [webapp]/jquery/ | |
| 279 var pos = url.indexOf('jquery/'); | |
| 280 if (pos > 0) { | |
| 281 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 645 | 282 } |
| 283 } | |
| 629 | 284 } |
| 661 | 285 } |
| 286 return this.each(function() { | |
| 287 var $elem = $(this); | |
| 288 var data = $elem.data('digilib'); | |
| 681 | 289 var params, elemSettings; |
| 661 | 290 // if the plugin hasn't been initialized yet |
| 291 if (!data) { | |
| 292 // merge query parameters | |
| 293 if (isFullscreen) { | |
| 681 | 294 params = queryParams; |
| 661 | 295 } else { |
| 681 | 296 params = parseImgParams($elem); |
| 720 | 297 if (jQuery.cookie) { |
| 298 // retrieve params from cookie | |
| 299 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 300 var cs = jQuery.cookie(ck); | |
| 301 console.debug("get cookie=", ck, " value=", cs); | |
| 302 if (cs) { | |
| 303 var cp = parseQueryString(cs); | |
| 721 | 304 // ignore fn and pn from cookie TODO: should we keep pn? |
| 305 delete cp.fn; | |
| 306 delete cp.pn; | |
| 307 jQuery.extend(params, cp); | |
| 720 | 308 } |
| 309 } | |
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310 } |
| 661 | 311 // store $(this) element in the settings |
| 721 | 312 elemSettings = jQuery.extend({}, settings, params); |
| 690 | 313 data = { |
| 661 | 314 $elem : $elem, |
| 315 settings : elemSettings, | |
| 681 | 316 queryParams : params |
| 661 | 317 }; |
| 318 // store in data element | |
| 319 $elem.data('digilib', data); | |
| 320 } | |
| 321 unpackParams(data); | |
| 737 | 322 // check if browser knows *background-size |
| 734 | 323 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 324 if ($elem.css(bs+'background-size')) { | |
| 325 data.hasBgSize = true; | |
| 326 data.bgSizeName = bs+'background-size'; | |
| 327 break; | |
| 328 } | |
| 329 } | |
| 737 | 330 // check digilib base URL |
| 331 if (elemSettings.digilibBaseUrl == null) { | |
| 332 if (isFullscreen) { | |
| 333 // take current host | |
| 334 var url = window.location.toString(); | |
| 335 var pos = url.indexOf('?'); | |
| 336 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 337 } else { | |
| 338 var url = elemSettings.scalerBaseUrl; | |
| 339 if (url) { | |
| 340 // build it from scaler URL | |
| 341 var bp = url.indexOf('/servlet/Scaler'); | |
| 758 | 342 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; |
| 737 | 343 } |
| 344 } | |
| 345 } | |
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346 // get image info from server if needed |
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347 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 760 | 348 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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349 } |
| 675 | 350 // create HTML structure for scaler |
| 661 | 351 setupScalerDiv(data); |
| 690 | 352 // add buttons |
| 353 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
| 354 showButtons(data, true, i); | |
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355 } |
| 758 | 356 highlightButtons(data); |
| 661 | 357 // bird's eye view creation |
| 703 | 358 if (elemSettings.isBirdDivVisible) { |
| 631 | 359 setupBirdDiv(data); |
| 716 | 360 data.$birdDiv.show(); |
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361 } |
| 661 | 362 // about window creation - TODO: could be deferred? restrict to only one item? |
| 363 setupAboutDiv(data); | |
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364 // drag zoom area around in scaler div |
| 748 | 365 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 661 | 366 }); |
| 367 }, | |
| 368 | |
| 369 // destroy: clean up digilib | |
| 370 destroy : function(data) { | |
| 371 return this.each(function(){ | |
| 372 var $elem = $(this); | |
| 373 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 374 data.digilib.remove(); | |
| 375 $elem.removeData('digilib'); | |
| 376 }); | |
| 377 }, | |
| 378 | |
| 379 // show or hide the 'about' window | |
| 380 showAboutDiv : function(data, show) { | |
| 758 | 381 var on = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); |
| 382 data.settings.isAboutDivVisible = on; | |
| 383 highlightButtons(data, 'help', on); | |
| 661 | 384 }, |
| 648 | 385 |
| 661 | 386 // event handler: toggles the visibility of the bird's eye window |
| 387 showBirdDiv : function (data, show) { | |
| 719 | 388 var settings = data.settings; |
| 661 | 389 if (data.$birdDiv == null) { |
| 390 // no bird div -> create | |
| 391 setupBirdDiv(data); | |
| 392 } | |
| 758 | 393 var on = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 394 settings.isBirdDivVisible = on; | |
| 395 highlightButtons(data, 'bird', on); | |
| 719 | 396 updateBirdDiv(data); |
| 716 | 397 storeOptions(data); |
| 661 | 398 }, |
| 399 | |
| 400 // goto given page nr (+/-: relative) | |
| 401 gotoPage : function (data, pageNr) { | |
| 402 var settings = data.settings; | |
| 403 var oldpn = settings.pn; | |
| 709 | 404 if (pageNr == null) { |
| 405 pageNr = window.prompt("Goto page number", oldpn); | |
| 406 } | |
| 661 | 407 var pn = setNumValue(settings, "pn", pageNr); |
| 408 if (pn == null) return false; // nothing happened | |
| 409 if (pn < 1) { | |
| 410 alert("no such page (page number too low)"); | |
| 411 settings.pn = oldpn; | |
| 412 return false; | |
| 413 } | |
| 760 | 414 // TODO: how do we get pt? |
| 661 | 415 if (settings.pt) { |
| 416 if (pn > settings.pt) { | |
| 417 alert("no such page (page number too high)"); | |
| 616 | 418 settings.pn = oldpn; |
| 419 return false; | |
| 627 | 420 } |
| 661 | 421 } |
| 422 // reset mk and others(?) | |
| 423 data.marks = []; | |
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424 data.zoomArea = FULL_AREA; |
| 661 | 425 // then reload |
| 426 redisplay(data); | |
| 427 }, | |
| 647 | 428 |
| 661 | 429 // zoom by a given factor |
| 430 zoomBy : function (data, factor) { | |
| 431 zoomBy(data, factor); | |
| 432 }, | |
| 640 | 433 |
| 760 | 434 // zoom to area (or interactive) |
| 435 zoomArea : function (data, area) { | |
| 436 var settings = data.settings; | |
| 437 if (area == null) { | |
| 438 // interactively | |
| 439 zoomArea(data); | |
| 440 } else { | |
| 441 data.zoomArea = geom.rectangle(area); | |
| 442 redisplay(data); | |
| 443 } | |
| 661 | 444 }, |
| 643 | 445 |
| 661 | 446 // zoom out to full page |
| 447 zoomFull : function (data, mode) { | |
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448 data.zoomArea = FULL_AREA; |
| 661 | 449 if (mode === 'width') { |
| 450 data.dlOpts.fitwidth = 1; | |
| 451 delete data.dlOpts.fitheight; | |
| 452 } else if (mode === 'height') { | |
| 453 data.dlOpts.fitheight = 1; | |
| 454 delete data.dlOpts.fitwidth; | |
| 455 } else { | |
| 456 delete data.dlOpts.fitwidth; | |
| 457 delete data.dlOpts.fitheight; | |
| 458 } | |
| 459 redisplay(data); | |
| 460 }, | |
| 461 | |
| 462 // set a mark by clicking (or giving a position) | |
| 463 setMark : function (data, mpos) { | |
| 464 if (mpos == null) { | |
| 465 // interactive | |
| 466 setMark(data); | |
| 467 } else { | |
| 468 // use position | |
| 469 data.marks.push(pos); | |
| 656 | 470 redisplay(data); |
| 597 | 471 } |
| 661 | 472 }, |
| 473 | |
| 474 // remove the last mark | |
| 475 removeMark : function (data) { | |
| 476 data.marks.pop(); | |
| 477 redisplay(data); | |
| 478 }, | |
| 479 | |
| 480 // mirror the image | |
| 481 mirror : function (data, mode) { | |
| 482 var flags = data.scalerFlags; | |
| 483 if (mode === 'h') { | |
| 484 if (flags.hmir) { | |
| 485 delete flags.hmir; | |
| 486 } else { | |
| 487 flags.hmir = 1; | |
| 488 } | |
| 489 } else { | |
| 490 if (flags.vmir) { | |
| 491 delete flags.vmir; | |
| 492 } else { | |
| 493 flags.vmir = 1; | |
| 494 } | |
| 495 } | |
| 496 redisplay(data); | |
| 497 }, | |
| 643 | 498 |
| 661 | 499 // rotate the image |
| 500 rotate : function (data, angle) { | |
| 501 var rot = data.settings.rot; | |
| 502 if (angle == null) { | |
| 503 angle = window.prompt("Rotation angle:", rot); | |
| 504 } | |
| 505 data.settings.rot = angle; | |
| 506 redisplay(data); | |
| 507 }, | |
| 508 | |
| 509 // change brightness | |
| 510 brightness : function (data, factor) { | |
| 511 var brgt = data.settings.brgt; | |
| 512 if (factor == null) { | |
| 513 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 514 } | |
| 515 data.settings.brgt = factor; | |
| 516 redisplay(data); | |
| 517 }, | |
| 518 | |
| 519 // change contrast | |
| 520 contrast : function (data, factor) { | |
| 521 var cont = data.settings.cont; | |
| 522 if (factor == null) { | |
| 523 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 524 } | |
| 525 data.settings.cont = factor; | |
| 526 redisplay(data); | |
| 681 | 527 }, |
| 703 | 528 |
| 683 | 529 // display more (or less) button sets |
| 741 | 530 moreButtons : function (data, more) { |
| 689 | 531 var settings = data.settings; |
| 692 | 532 if (more == null) { |
| 696 | 533 // toggle more or less (only works for 2 sets) |
| 692 | 534 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 535 if (settings.visibleButtonSets >= maxbtns) { | |
| 536 more = '-1'; | |
| 537 } else { | |
| 538 more = '+1'; | |
| 539 } | |
| 540 } | |
| 683 | 541 if (more === '-1') { |
| 542 // remove set | |
| 690 | 543 var setIdx = settings.visibleButtonSets - 1; |
| 544 if (showButtons(data, false, setIdx, true)) { | |
| 545 settings.visibleButtonSets--; | |
| 546 } | |
| 683 | 547 } else { |
| 548 // add set | |
| 690 | 549 var setIdx = settings.visibleButtonSets; |
| 550 if (showButtons(data, true, setIdx, true)) { | |
| 551 settings.visibleButtonSets++; | |
| 683 | 552 } |
| 553 } | |
| 716 | 554 // persist setting |
| 555 storeOptions(data); | |
| 684 | 556 }, |
| 681 | 557 |
| 696 | 558 // reset image parameters to defaults |
| 681 | 559 reset : function (data) { |
| 560 var settings = data.settings; | |
| 561 var paramNames = settings.digilibParamNames; | |
| 562 var params = data.queryParams; | |
| 563 // delete all digilib parameters | |
| 564 for (var i = 0; i < paramNames.length; i++) { | |
| 565 var paramName = paramNames[i]; | |
| 566 delete settings[paramName]; | |
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567 } |
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568 settings.fn = params.fn || ''; // no default defined |
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569 settings.pn = params.pn || defaults.pn; |
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570 settings.dw = params.dw; |
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571 settings.dh = params.dh; |
| 702 | 572 settings.isBirdDivVisible = false; |
| 573 settings.visibleButtonSets = 1; | |
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574 // resets zoomArea, marks, scalerflags |
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575 data.zoomArea = FULL_AREA; |
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576 data.marks = []; |
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577 data.scalerFlags = {}; |
| 705 | 578 delete data.dlOpts.fitwidth; |
| 579 delete data.dlOpts.fitheight; | |
| 681 | 580 redisplay(data); |
| 682 | 581 }, |
| 582 | |
| 696 | 583 // presents a reference url (returns value if noprompt) |
| 584 reference : function (data, noprompt) { | |
| 682 | 585 var settings = data.settings; |
| 737 | 586 var url = getDigilibUrl(data); |
| 696 | 587 if (noprompt == null) { |
| 588 window.prompt("URL reference to the current view", url); | |
| 589 } | |
| 590 return url; | |
| 591 }, | |
| 703 | 592 |
| 696 | 593 // set image quality |
| 741 | 594 setQuality : function (data, qual) { |
| 696 | 595 var oldq = getQuality(data); |
| 596 if (qual == null) { | |
| 597 qual = window.prompt("Image quality (0..2)", oldq); | |
| 598 } | |
| 599 qual = parseInt(qual, 10); | |
| 600 if (qual >= 0 && qual <= 2) { | |
| 601 setQuality(data, qual); | |
| 602 redisplay(data); | |
| 603 } | |
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604 }, |
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605 |
|
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606 // calibrate (only faking) |
|
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|
607 calibrate : function (data, res) { |
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608 var oldRes = data.settings.ddpi; |
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609 if (res == null) { |
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610 res = window.prompt("Display resolution (dpi)", oldRes); |
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|
611 } |
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612 if (res != null) { |
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613 data.settings.ddpi = res; |
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614 redisplay(data); |
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615 } |
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|
616 }, |
|
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|
617 |
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618 // set image scale mode |
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619 setScaleMode : function (data, mode) { |
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620 var oldM = getScaleMode(data); |
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621 if (mode == null) { |
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622 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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623 } |
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624 if (mode != null) { |
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625 setScaleMode(data, mode); |
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756
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626 data.scaleMode = mode; |
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754
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627 redisplay(data); |
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628 } |
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|
629 } |
|
756
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|
630 |
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|
631 // end of actions |
| 598 | 632 }; |
| 597 | 633 |
| 601 | 634 // returns parameters from page url |
| 600 | 635 var parseQueryParams = function() { |
| 629 | 636 return parseQueryString(window.location.search.slice(1)); |
| 637 }; | |
| 648 | 638 |
| 629 | 639 // returns parameters from embedded img-element |
| 600 | 640 var parseImgParams = function($elem) { |
|
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641 var src = $elem.find('img').first().attr('src'); |
| 703 | 642 if (!src) return null; |
| 600 | 643 var pos = src.indexOf('?'); |
| 644 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 645 var scalerUrl = src.substring(0, pos); | |
| 620 | 646 var params = parseQueryString(query); |
| 647 params.scalerBaseUrl = scalerUrl; | |
| 648 return params; | |
| 629 | 649 }; |
| 600 | 650 |
| 601 | 651 // parses query parameter string into parameter object |
| 600 | 652 var parseQueryString = function(query) { |
| 694 | 653 var params = {}; |
| 654 if (query == null) return params; | |
| 600 | 655 var pairs = query.split("&"); |
| 629 | 656 //var keys = []; |
| 600 | 657 for (var i = 0; i < pairs.length; i++) { |
| 658 var pair = pairs[i].split("="); | |
| 659 if (pair.length === 2) { | |
| 620 | 660 params[pair[0]] = pair[1]; |
| 629 | 661 //keys.push(pair[0]); |
| 627 | 662 } |
| 629 | 663 } |
| 620 | 664 return params; |
| 629 | 665 }; |
| 661 | 666 |
| 636 | 667 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 668 var getParamString = function (settings, keys, defaults) { | |
| 608 | 669 var paramString = ''; |
| 643 | 670 var nx = false; |
| 608 | 671 for (i = 0; i < keys.length; ++i) { |
| 672 var key = keys[i]; | |
| 656 | 673 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 608 | 674 // first param gets no '&' |
| 643 | 675 if (nx) { |
| 676 paramString += '&'; | |
| 677 } else { | |
| 678 nx = true; | |
| 679 } | |
| 608 | 680 // add parm=val |
| 681 paramString += key + '=' + settings[key]; | |
| 636 | 682 } |
| 608 | 683 } |
| 684 return paramString; | |
| 624 | 685 }; |
| 686 | |
| 629 | 687 // returns URL and query string for Scaler |
| 688 var getScalerUrl = function (data) { | |
| 734 | 689 packParams(data); |
| 646 | 690 var settings = data.settings; |
| 645 | 691 if (settings.scalerBaseUrl == null) { |
| 692 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
|
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|
693 } |
| 629 | 694 var keys = settings.scalerParamNames; |
| 636 | 695 var queryString = getParamString(settings, keys, defaults); |
| 629 | 696 var url = settings.scalerBaseUrl + '?' + queryString; |
| 697 return url; | |
| 698 }; | |
| 699 | |
| 734 | 700 // returns URL for bird's eye view image |
| 736 | 701 var getBirdImgUrl = function (data, moreParams) { |
| 734 | 702 var settings = data.settings; |
| 703 var birdDivOptions = { | |
| 704 dw : settings.birdDivWidth, | |
| 705 dh : settings.birdDivHeight | |
| 706 }; | |
| 736 | 707 var birdSettings = jQuery.extend({}, settings, birdDivOptions); |
| 734 | 708 // use only the relevant parameters |
| 736 | 709 if (moreParams == null) { |
| 710 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 711 } else { | |
| 760 | 712 // filter scaler flags |
| 713 if (birdSettings.mo != null) { | |
| 714 var mo = ''; | |
| 715 if (data.scalerFlags.hmir != null) { | |
| 716 mo += 'hmir,'; | |
| 717 } | |
| 718 if (data.scalerFlags.vmir != null) { | |
| 719 mo += 'vmir'; | |
| 720 } | |
| 721 birdSettings.mo = mo; | |
| 722 } | |
| 736 | 723 var params = getParamString(birdSettings, |
| 724 settings.birdDivParams.concat(moreParams), defaults); | |
| 725 } | |
| 726 var url = settings.scalerBaseUrl + '?' + params; | |
| 734 | 727 return url; |
| 728 }; | |
|
738
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move birdview zoom indicator along with zoom drag
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diff
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|
729 |
| 629 | 730 // returns URL and query string for current digilib |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
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|
731 var getDigilibUrl = function (data) { |
| 636 | 732 packParams(data); |
| 629 | 733 var settings = data.settings; |
|
637
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robcast
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|
734 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 737 | 735 return settings.digilibBaseUrl + '?' + queryString; |
| 629 | 736 }; |
| 737 | |
| 760 | 738 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 739 var loadImageInfo = function (data, complete) { | |
|
747
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changeset
|
740 var settings = data.settings; |
|
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|
741 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
742 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
|
5d3da97089bc
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robcast
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diff
changeset
|
743 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 760 | 744 // TODO: better error handling |
|
747
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robcast
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diff
changeset
|
745 jQuery.getJSON(url, function (json) { |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
746 console.debug("got json data=", json); |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
747 data.imgInfo = json; |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
748 if (complete != null) { |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
parents:
744
diff
changeset
|
749 complete.call(this, data, json); |
|
5d3da97089bc
reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
750 } |
|
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
751 }); |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
752 }; |
|
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reading image info asynchronously works now. has just no use yet.
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diff
changeset
|
753 |
| 648 | 754 // processes some parameters into objects and stuff |
| 624 | 755 var unpackParams = function (data) { |
| 756 var settings = data.settings; | |
| 629 | 757 // zoom area |
| 624 | 758 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 636 | 759 data.zoomArea = zoomArea; |
| 629 | 760 // marks |
| 624 | 761 var marks = []; |
| 643 | 762 if (settings.mk) { |
| 763 var mk = settings.mk; | |
| 764 if (mk.indexOf(";") >= 0) { | |
| 765 var pa = mk.split(";"); // old format with ";" | |
| 766 } else { | |
| 767 var pa = mk.split(","); // new format | |
|
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robcast
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diff
changeset
|
768 } |
| 643 | 769 for (var i = 0; i < pa.length ; i++) { |
| 770 var pos = pa[i].split("/"); | |
| 771 if (pos.length > 1) { | |
| 772 marks.push(geom.position(pos[0], pos[1])); | |
|
706
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
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|
773 } |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
774 } |
|
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robcast
parents:
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775 } |
| 636 | 776 data.marks = marks; |
| 643 | 777 // mo (Scaler flags) |
| 778 var flags = {}; | |
| 779 if (settings.mo) { | |
| 780 var pa = settings.mo.split(","); | |
| 781 for (var i = 0; i < pa.length ; i++) { | |
| 782 flags[pa[i]] = pa[i]; | |
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783 } |
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784 } |
| 643 | 785 data.scalerFlags = flags; |
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786 data.scaleMode = getScaleMode(data); |
| 716 | 787 retrieveOptions(data); |
| 648 | 788 }; |
| 789 | |
| 624 | 790 // put objects back into parameters |
| 791 var packParams = function (data) { | |
| 792 var settings = data.settings; | |
| 629 | 793 // zoom area |
| 636 | 794 if (data.zoomArea) { |
| 640 | 795 settings.wx = cropFloat(data.zoomArea.x); |
| 796 settings.wy = cropFloat(data.zoomArea.y); | |
| 797 settings.ww = cropFloat(data.zoomArea.width); | |
| 798 settings.wh = cropFloat(data.zoomArea.height); | |
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799 } |
| 629 | 800 // marks |
| 636 | 801 if (data.marks) { |
| 643 | 802 settings.mk = ''; |
| 636 | 803 for (var i = 0; i < data.marks.length; i++) { |
| 643 | 804 if (i) { |
| 805 settings.mk += ','; | |
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806 } |
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807 settings.mk += cropFloat(data.marks[i].x).toString() + |
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808 '/' + cropFloat(data.marks[i].y).toString(); |
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809 } |
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810 } |
| 643 | 811 // Scaler flags |
| 812 if (data.scalerFlags) { | |
| 813 var mo = ''; | |
| 814 for (var f in data.scalerFlags) { | |
| 815 if (mo) { | |
| 816 mo += ','; | |
| 817 } | |
| 818 mo += f; | |
| 819 } | |
| 820 settings.mo = mo; | |
| 821 } | |
| 703 | 822 // user interface options |
| 716 | 823 storeOptions(data); |
| 702 | 824 }; |
| 681 | 825 |
| 716 | 826 var storeOptions = function (data) { |
| 694 | 827 // save digilib options in cookie |
| 702 | 828 var settings = data.settings; |
| 829 if (data.dlOpts) { | |
| 830 // save digilib settings in options | |
| 831 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 832 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 833 var clop = ''; | |
| 834 for (var o in data.dlOpts) { | |
| 835 if (clop) { | |
| 836 clop += '&'; | |
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837 } |
| 702 | 838 clop += o + '=' + data.dlOpts[o]; |
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839 } |
| 702 | 840 if (jQuery.cookie) { |
| 841 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 842 console.debug("set cookie=", ck, " value=", clop); | |
| 843 jQuery.cookie(ck, clop); | |
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844 } |
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845 } |
| 720 | 846 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
| 847 // store normal parameters in cookie for embedded mode | |
| 848 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 849 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 850 console.debug("set cookie=", ck, " value=", qs); | |
| 851 jQuery.cookie(ck, qs); | |
| 852 } | |
| 624 | 853 }; |
| 648 | 854 |
| 716 | 855 var retrieveOptions = function (data) { |
| 702 | 856 // clop (digilib options) |
| 857 var opts = {}; | |
| 858 var settings = data.settings; | |
| 859 if (jQuery.cookie) { | |
| 860 // read from cookie | |
| 861 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 862 var cp = jQuery.cookie(ck); | |
| 863 console.debug("get cookie=", ck, " value=", cp); | |
| 864 // in query string format | |
| 865 opts = parseQueryString(cp); | |
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866 } |
| 702 | 867 data.dlOpts = opts; |
| 868 // birdview option | |
| 869 if (opts.birdview != null) { | |
| 870 settings.isBirdDivVisible = opts.birdview === '1'; | |
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871 } |
| 702 | 872 // visible button sets |
| 873 if (opts.buttons != null) { | |
| 874 settings.visibleButtonSets = opts.buttons; | |
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875 } |
| 704 | 876 }; |
| 702 | 877 |
| 615 | 878 // (re)load the img from a new scaler URL |
|
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879 var redisplay = function (data) { |
| 629 | 880 var settings = data.settings; |
| 881 if (settings.interactionMode === 'fullscreen') { | |
| 882 // update location.href (browser URL) in fullscreen mode | |
|
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883 var url = getDigilibUrl(data); |
| 629 | 884 var history = window.history; |
| 885 if (typeof(history.pushState) === 'function') { | |
| 886 console.debug("we could modify history, but we don't..."); | |
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887 } |
| 629 | 888 window.location = url; |
| 889 } else { | |
| 890 // embedded mode -- just change img src | |
| 891 var url = getScalerUrl(data); | |
| 892 data.$img.attr('src', url); | |
| 719 | 893 // redisplay bird img |
| 894 updateBirdDiv(data); | |
| 758 | 895 highlightButtons(data); |
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896 } |
| 615 | 897 }; |
| 898 | |
| 760 | 899 // update display (overlays etc.) |
| 900 var updateDisplay = function (data) { | |
| 901 updateImgTrafo(data); | |
| 902 renderMarks(data); | |
| 903 setupZoomDrag(data); | |
| 904 if (data.settings.isBirdDivVisible) { | |
| 905 renderBirdArea(data); | |
| 906 setupBirdDrag(data); | |
| 907 } | |
| 908 // TODO: update event subscriber? | |
| 909 }; | |
| 910 | |
| 655 | 911 // returns maximum size for scaler img in fullscreen mode |
| 760 | 912 var getFullscreenImgSize = function ($elem) { |
| 655 | 913 var $win = $(window); |
| 914 var winH = $win.height(); | |
| 915 var winW = $win.width(); | |
| 916 // TODO: account for borders? | |
| 917 return geom.size(winW, winH); | |
| 918 }; | |
| 919 | |
| 601 | 920 // creates HTML structure for digilib in elem |
| 620 | 921 var setupScalerDiv = function (data) { |
| 922 var settings = data.settings; | |
| 640 | 923 var $elem = data.$elem; |
| 718 | 924 $elem.addClass('digilib'); |
| 721 | 925 var $img; |
| 926 var scalerUrl; | |
| 601 | 927 if (settings.interactionMode === 'fullscreen') { |
| 721 | 928 // fullscreen |
| 718 | 929 $elem.addClass('dl_fullscreen'); |
| 602 | 930 var imgSize = getFullscreenImgSize($elem); |
| 643 | 931 // fitwidth/height omits destination height/width |
| 721 | 932 if (data.dlOpts.fitheight == null) { |
| 643 | 933 settings.dw = imgSize.width; |
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934 } |
| 721 | 935 if (data.dlOpts.fitwidth == null) { |
| 643 | 936 settings.dh = imgSize.height; |
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937 } |
| 679 | 938 scalerUrl = getScalerUrl(data); |
| 721 | 939 $img = $('<img/>'); |
| 602 | 940 } else { |
| 721 | 941 // embedded mode -- try to keep img tag |
| 718 | 942 $elem.addClass('dl_embedded'); |
| 721 | 943 scalerUrl = getScalerUrl(data); |
| 616 | 944 $img = $elem.find('img'); |
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945 if ($img.length > 0) { |
| 721 | 946 oldUrl = $img.attr('src'); |
| 947 if (oldUrl === scalerUrl) { | |
| 948 console.debug("img detach:", $img); | |
| 949 $img.detach(); | |
| 950 } else { | |
| 951 $img = $('<img/>'); | |
| 952 } | |
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953 } else { |
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954 $img = $('<img/>'); |
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955 } |
| 601 | 956 } |
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957 // create new html |
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958 $elem.empty(); // TODO: should we keep stuff for customization? |
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959 var $scaler = $('<div class="scaler"/>'); |
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960 $elem.append($scaler); |
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961 $scaler.append($img); |
| 615 | 962 $img.addClass('pic'); |
| 642 | 963 data.$scaler = $scaler; |
| 629 | 964 data.$img = $img; |
| 680 | 965 // setup image load handler before setting the src attribute (IE bug) |
| 966 $img.load(scalerImgLoadedHandler(data)); | |
| 760 | 967 $img.error(function () {console.error("error loading scaler image");}); |
| 680 | 968 $img.attr('src', scalerUrl); |
| 601 | 969 }; |
| 608 | 970 |
| 603 | 971 // creates HTML structure for buttons in elem |
| 690 | 972 var createButtons = function (data, buttonSetIdx) { |
| 640 | 973 var $elem = data.$elem; |
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974 var settings = data.settings; |
| 658 | 975 var mode = settings.interactionMode; |
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976 var buttonSettings = settings.buttonSettings[mode]; |
| 675 | 977 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 683 | 978 if (buttonGroup == null) { |
| 979 // no buttons here | |
| 980 return; | |
| 981 } | |
| 982 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 675 | 983 var buttonNames = buttonSettings[buttonGroup]; |
| 984 for (var i = 0; i < buttonNames.length; i++) { | |
| 985 var buttonName = buttonNames[i]; | |
| 986 var buttonConfig = settings.buttons[buttonName]; | |
| 658 | 987 // construct the button html |
| 988 var $button = $('<div class="button"></div>'); | |
| 989 var $a = $('<a/>'); | |
| 990 var $img = $('<img class="button"/>'); | |
| 991 $buttonsDiv.append($button); | |
| 992 $button.append($a); | |
| 993 $a.append($img); | |
| 994 // add attributes and bindings | |
| 995 $button.attr('title', buttonConfig.tooltip); | |
| 675 | 996 $button.addClass('button-' + buttonName); |
| 658 | 997 // create handler for the buttons |
| 998 $a.bind('click.digilib', (function () { | |
| 999 // we create a new closure to capture the value of action | |
| 1000 var action = buttonConfig.onclick; | |
| 1001 if ($.isArray(action)) { | |
| 1002 // the handler function calls digilib with action and parameters | |
| 1003 return function (evt) { | |
| 1004 console.debug('click action=', action, ' evt=', evt); | |
| 1005 $elem.digilib.apply($elem, action); | |
| 1006 return false; | |
| 1007 }; | |
| 1008 } else { | |
| 1009 // the handler function calls digilib with action | |
| 1010 return function (evt) { | |
| 1011 console.debug('click action=', action, ' evt=', evt); | |
| 1012 $elem.digilib(action); | |
| 1013 return false; | |
| 1014 }; | |
| 1015 } | |
| 1016 })()); | |
| 758 | 1017 $img.attr('src', buttonSettings.imagePath + buttonConfig.icon); |
| 683 | 1018 } |
| 655 | 1019 // make buttons div scroll if too large for window |
| 1020 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1021 $buttonsDiv.css('position', 'absolute'); | |
| 1022 } | |
| 690 | 1023 // buttons hidden at first |
| 1024 $buttonsDiv.hide(); | |
| 1025 $elem.append($buttonsDiv); | |
| 675 | 1026 if (data.$buttonSets == null) { |
| 690 | 1027 // first button set |
| 675 | 1028 data.$buttonSets = [$buttonsDiv]; |
| 1029 } else { | |
| 683 | 1030 $elem.append($buttonsDiv); |
| 675 | 1031 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1032 } | |
| 605 | 1033 return $buttonsDiv; |
| 603 | 1034 }; |
| 608 | 1035 |
| 1036 // creates HTML structure for the bird's eye view in elem | |
| 631 | 1037 var setupBirdDiv = function (data) { |
| 640 | 1038 var $elem = data.$elem; |
| 608 | 1039 // the bird's eye div |
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1040 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 608 | 1041 // the detail indicator frame |
| 719 | 1042 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 608 | 1043 // the small image |
| 1044 var $birdImg = $('<img class="birdimg"/>'); | |
| 716 | 1045 data.$birdDiv = $birdDiv; |
| 1046 data.$birdZoom = $birdZoom; | |
| 1047 data.$birdImg = $birdImg; | |
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1048 $elem.append($birdDiv); |
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1049 $birdDiv.append($birdZoom); |
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1050 $birdDiv.append($birdImg); |
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1051 $birdZoom.css(data.settings.birdIndicatorStyle); |
| 716 | 1052 var birdUrl = getBirdImgUrl(data); |
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1053 $birdImg.load(birdImgLoadedHandler(data)); |
| 760 | 1054 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 716 | 1055 $birdImg.attr('src', birdUrl); |
| 1056 }; | |
| 1057 | |
| 1058 // update bird's eye view | |
| 1059 var updateBirdDiv = function (data) { | |
| 1060 if (!data.settings.isBirdDivVisible) return; | |
| 1061 var $birdImg = data.$birdImg; | |
| 1062 var oldsrc = $birdImg.attr('src'); | |
| 1063 var newsrc = getBirdImgUrl(data); | |
| 1064 if (oldsrc !== newsrc) { | |
| 1065 $birdImg.attr('src', newsrc); | |
| 1066 // onload handler re-renders | |
| 1067 } else { | |
| 1068 // re-render | |
| 1069 renderBirdArea(data); | |
| 723 | 1070 // enable click and drag |
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1071 setupBirdDrag(data); |
| 716 | 1072 } |
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1073 }; |
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1074 |
| 618 | 1075 // creates HTML structure for the about view in elem |
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1076 var setupAboutDiv = function (data) { |
| 640 | 1077 var $elem = data.$elem; |
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1078 var settings = data.settings; |
| 618 | 1079 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 609 | 1080 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1081 var $link = $('<a/>'); | |
| 1082 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1083 var $content = $('<p/>'); | |
| 1084 $elem.append($aboutDiv); | |
| 1085 $aboutDiv.append($header); | |
| 1086 $aboutDiv.append($link); | |
| 1087 $aboutDiv.append($content); | |
| 1088 $link.append($logo); | |
| 1089 $logo.attr('src', settings.logoUrl); | |
| 628 | 1090 $link.attr('href', settings.homeUrl); |
| 609 | 1091 $content.text('Version: ' + settings.version); |
| 628 | 1092 // click hides |
| 642 | 1093 $aboutDiv.bind('click.digilib', function () { |
| 639 | 1094 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
| 642 | 1095 return false; |
| 703 | 1096 }); |
| 628 | 1097 data.$aboutDiv = $aboutDiv; |
| 627 | 1098 }; |
| 1099 | |
| 628 | 1100 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1101 var showDiv = function (isVisible, $div, show) { | |
| 638 | 1102 if (show == null) { |
| 628 | 1103 // toggle visibility |
| 1104 isVisible = !isVisible; | |
| 1105 } else { | |
| 1106 // set visibility | |
| 1107 isVisible = show; | |
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1108 } |
| 628 | 1109 if (isVisible) { |
| 1110 $div.fadeIn(); | |
| 1111 } else { | |
| 1112 $div.fadeOut(); | |
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1113 } |
| 628 | 1114 return isVisible; |
| 627 | 1115 }; |
| 609 | 1116 |
| 690 | 1117 // display more (or less) button sets |
| 1118 var showButtons = function (data, more, setIdx, animated) { | |
| 704 | 1119 var atime = animated ? 'fast': 0; |
| 690 | 1120 if (more) { |
| 1121 // add set | |
| 1122 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1123 var $set; | |
| 1124 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1125 // set exists | |
| 1126 $set = data.$buttonSets[setIdx]; | |
| 1127 } else { | |
| 1128 $set = createButtons(data, setIdx); | |
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1129 } |
| 690 | 1130 if ($set == null) return false; |
| 758 | 1131 // include border in calculation |
| 1132 var btnWidth = $set.outerWidth(); | |
| 690 | 1133 // move remaining sets left and show new set |
| 704 | 1134 if ($otherSets.length > 0) { |
| 1135 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1136 function () {$set.show();}); | |
| 690 | 1137 } else { |
| 1138 $set.show(); | |
| 704 | 1139 } |
| 690 | 1140 } else { |
| 1141 // remove set | |
| 1142 var $set = data.$buttonSets[setIdx]; | |
| 1143 if ($set == null) return false; | |
| 1144 var btnWidth = $set.width(); | |
| 1145 // hide last set | |
| 1146 $set.hide(); | |
| 1147 // take remaining sets and move right | |
| 1148 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 704 | 1149 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1150 } | |
| 690 | 1151 return true; |
| 1152 }; | |
| 1153 | |
| 758 | 1154 // check for buttons to highlight |
| 1155 var highlightButtons = function (data, name, on) { | |
| 1156 var $buttons = data.$elem.find('div.buttons:visible'); // include hidden? | |
| 1157 // add a class for highlighted button | |
| 1158 var highlight = function (name, on) { | |
| 1159 var $button = $buttons.find('div.button-' + name); | |
| 1160 if (on) { | |
| 1161 $button.addClass('button-on'); | |
| 1162 } else { | |
| 1163 $button.removeClass('button-on'); | |
| 1164 } | |
| 1165 }; | |
| 1166 if (name != null) { | |
| 1167 return highlight(name, on); | |
| 1168 } | |
| 1169 var flags = data.scalerFlags; | |
| 1170 var settings = data.settings; | |
| 1171 highlight('rot', settings.rot); | |
| 1172 highlight('brgt', settings.brgt); | |
| 1173 highlight('cont', settings.cont); | |
| 1174 highlight('bird', settings.isBirdDivVisible); | |
| 1175 highlight('help', settings.isAboutDivVisible); | |
| 1176 highlight('hmir', flags.hmir); | |
| 1177 highlight('vmir', flags.vmir); | |
| 759 | 1178 highlight('quality', flags.q1 || flags.q2); |
| 758 | 1179 highlight('zoomin', ! isFullArea(data.zoomArea)); |
| 1180 }; | |
| 1181 | |
|
651
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split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1182 // create Transform from area and $img |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1183 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, data) { |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1184 var picrect = geom.rectangle($img); |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1185 if (mode != null) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1186 var imgInfo = data.imgInfo; |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1187 if (mode === 'pixel') { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1188 // scaler mo=clip - image area size does not come from ww, wh |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1189 if (imgInfo != null) { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1190 area.width = picrect.width / imgInfo.width; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1191 area.height = picrect.height / imgInfo.height; |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1192 } else { |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1193 console.error("No image info for pixel mode!"); |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1194 } |
|
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1195 } |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1196 if (mode === 'size') { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1197 // scaler mo=osize - image area size does not come from ww, wh |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1198 if (imgInfo != null) { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1199 var ddpi = parseFloat(data.settings.ddpi); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
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762
diff
changeset
|
1200 area.width = (picrect.width / ddpi) / (imgInfo.width / imgInfo.dpi_x); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1201 area.height = (picrect.height / ddpi) / (imgInfo.height / imgInfo.dpi_y); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1202 } else { |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1203 console.error("No image info for original size mode!"); |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1204 } |
|
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1205 } |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1206 } |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1207 var trafo = geom.transform(); |
| 668 | 1208 // 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
|
1209 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 668 | 1210 // 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
|
1211 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 668 | 1212 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1213 if (rot || hmir || vmir) { | |
| 1214 // move [0.5,0.5] to center | |
| 1215 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1216 if (hmir) { | |
| 1217 // mirror about center | |
| 1218 trafo.concat(trafo.getMirror('y')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1219 } |
| 668 | 1220 if (vmir) { |
| 1221 // mirror about center | |
| 1222 trafo.concat(trafo.getMirror('x')); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1223 } |
| 668 | 1224 if (rot) { |
| 1225 // rotate around center | |
| 1226 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1227 } |
| 668 | 1228 // move back |
| 1229 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
|
1230 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1231 // 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
|
1232 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
|
1233 trafo.concat(trafo.getTranslation(picrect)); |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1234 return trafo; |
| 648 | 1235 }; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1236 |
| 760 | 1237 // update scaler image transform |
| 1238 var updateImgTrafo = function (data) { | |
| 1239 var $img = data.$img; | |
| 1240 if ($img != null && $img.get(0).complete) { | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1241 // create Transform from current zoomArea and image size |
| 668 | 1242 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
756
8087657fc7bd
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
754
diff
changeset
|
1243 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
|
1244 data.scaleMode, data); |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1245 // console.debug("imgTrafo=", data.imgTrafo); |
| 760 | 1246 } |
| 1247 }; | |
| 1248 | |
| 1249 // returns function for load event of scaler img | |
| 1250 var scalerImgLoadedHandler = function (data) { | |
| 1251 return function () { | |
| 1252 var $img = $(this); | |
| 1253 console.debug("scaler img loaded=",$img); | |
| 1254 var $scaler = data.$scaler; | |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1255 var imgRect = geom.rectangle($img); |
| 726 | 1256 // adjust scaler div size |
| 731 | 1257 imgRect.adjustDiv($scaler); |
| 708 | 1258 // show image in case it was hidden (for example in zoomDrag) |
| 726 | 1259 $img.css('visibility', 'visible'); |
| 734 | 1260 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1261 // update display (render marks, etc.) |
| 1262 updateDisplay(data); | |
|
651
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1263 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1264 }; |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1265 |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1266 // 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
parents:
649
diff
changeset
|
1267 var birdImgLoadedHandler = function (data) { |
|
2d85d820501d
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
649
diff
changeset
|
1268 return function () { |
| 748 | 1269 var $birdImg = $(this); |
| 1270 var birdRect = geom.rectangle($birdImg); | |
| 1271 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1272 if (birdRect.width === 0) { | |
| 1273 // malheureusement IE7 calls load handler when there is no size info yet | |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1274 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 748 | 1275 } |
| 760 | 1276 // update display (zoom area indicator) |
| 1277 updateDisplay(data); | |
|
606
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1278 }; |
|
d08d095430c3
keeping img tag for embedded mode seems to work now
robcast
parents:
605
diff
changeset
|
1279 }; |
| 626 | 1280 |
| 1281 // place marks on the image | |
| 1282 var renderMarks = function (data) { | |
| 760 | 1283 if (data.$img == null || data.imgTrafo == null) return; |
| 1284 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 640 | 1285 var $elem = data.$elem; |
| 636 | 1286 var marks = data.marks; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1287 // clear marks |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1288 $elem.find('div.mark').remove(); |
| 626 | 1289 for (var i = 0; i < marks.length; i++) { |
| 1290 var mark = marks[i]; | |
| 636 | 1291 if (data.zoomArea.containsPosition(mark)) { |
| 626 | 1292 var mpos = data.imgTrafo.transform(mark); |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1293 console.debug("renderMarks: mpos=",mpos); |
| 626 | 1294 // create mark |
| 1295 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1296 var $mark = $(html); | |
| 1297 $elem.append($mark); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1298 mpos.adjustDiv($mark); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1299 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1300 } |
| 626 | 1301 }; |
| 648 | 1302 |
|
670
2ce9d77677b1
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
669
diff
changeset
|
1303 // show zoom area indicator on bird's eye view |
| 716 | 1304 var renderBirdArea = function (data) { |
|
765
5c04652f3660
original size mode works with zoom area now. needs error handling.
robcast
parents:
762
diff
changeset
|
1305 if (data.$birdImg == null || ! data.$birdImg.get(0).complete) return; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1306 var $birdZoom = data.$birdZoom; |
| 652 | 1307 var zoomArea = data.zoomArea; |
| 716 | 1308 var normalSize = isFullArea(zoomArea); |
| 1309 if (normalSize) { | |
| 1310 $birdZoom.hide(); | |
| 1311 return; | |
| 1312 } else { | |
| 1313 $birdZoom.show(); | |
| 1314 } | |
| 748 | 1315 // create Transform from current area and picsize |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1316 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 731 | 1317 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 748 | 1318 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 734 | 1319 // acount for border width |
| 1320 zoomRect.addPosition({x : -2, y : -2}); | |
|
663
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1321 if (data.settings.interactionMode === 'fullscreen') { |
|
fda2d9bd9ba7
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
662
diff
changeset
|
1322 // no animation for fullscreen |
| 731 | 1323 zoomRect.adjustDiv($birdZoom); |
| 716 | 1324 } else { |
| 1325 // nice animation for embedded mode :-) | |
| 734 | 1326 // correct offsetParent because animate doesn't use offset |
| 719 | 1327 var ppos = $birdZoom.offsetParent().offset(); |
| 731 | 1328 var dest = { |
| 748 | 1329 left : (zoomRect.x - ppos.left) + 'px', |
| 1330 top : (zoomRect.y - ppos.top) + 'px', | |
| 1331 width : zoomRect.width, | |
| 1332 height : zoomRect.height | |
| 1333 }; | |
| 731 | 1334 $birdZoom.animate(dest); |
| 716 | 1335 } |
|
657
b0c6cc4a0932
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
656
diff
changeset
|
1336 }; |
| 652 | 1337 |
| 640 | 1338 // zooms by the given factor |
| 636 | 1339 var zoomBy = function(data, factor) { |
| 1340 var area = data.zoomArea; | |
| 1341 var newarea = area.copy(); | |
| 1342 // scale | |
| 1343 newarea.width /= factor; | |
| 1344 newarea.height /= factor; | |
| 1345 // and recenter | |
| 1346 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1347 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1348 newarea = FULL_AREA.fit(newarea); |
| 636 | 1349 data.zoomArea = newarea; |
|
637
71cc855e2e4b
reload doesn't take list of changed parameters any more
robcast
parents:
636
diff
changeset
|
1350 redisplay(data); |
| 636 | 1351 }; |
| 1352 | |
| 640 | 1353 // add a mark where clicked |
| 1354 var setMark = function (data) { | |
| 642 | 1355 var $scaler = data.$scaler; |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1356 // unbind other handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1357 $scaler.unbind(".dlZoomDrag"); |
| 640 | 1358 // start event capturing |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1359 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 640 | 1360 // event handler adding a new mark |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1361 console.log("setmark at=", evt); |
|
665
0d3d9517e448
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
664
diff
changeset
|
1362 var mpos = geom.position(evt); |
| 640 | 1363 var pos = data.imgTrafo.invtransform(mpos); |
| 1364 data.marks.push(pos); | |
| 1365 redisplay(data); | |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1366 return false; |
| 640 | 1367 }); |
| 1368 }; | |
| 661 | 1369 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1370 // zoom to the area around two clicked points |
| 647 | 1371 var zoomArea = function(data) { |
| 1372 $elem = data.$elem; | |
| 1373 $scaler = data.$scaler; | |
| 1374 var pt1, pt2; | |
| 1375 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1376 $elem.append($zoomDiv); | |
| 661 | 1377 $zoomDiv.css(data.settings.zoomrectStyle); |
| 647 | 1378 var picRect = geom.rectangle($scaler); |
| 1379 // FIX ME: is there a way to query the border width from CSS info? | |
| 1380 // rect.x -= 2; // account for overlay borders | |
| 1381 // rect.y -= 2; | |
| 1382 | |
| 1383 var zoomStart = function (evt) { | |
| 1384 pt1 = geom.position(evt); | |
| 1385 // setup and show zoom div | |
| 731 | 1386 pt1.adjustDiv($zoomDiv); |
| 661 | 1387 $zoomDiv.width(0).height(0); |
| 647 | 1388 $zoomDiv.show(); |
| 1389 // register events | |
| 731 | 1390 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1391 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1392 return false; |
| 1393 }; | |
| 661 | 1394 |
| 734 | 1395 // mouse move handler |
| 1396 var zoomMove = function (evt) { | |
| 1397 pt2 = geom.position(evt); | |
| 1398 var rect = geom.rectangle(pt1, pt2); | |
| 1399 rect.clipTo(picRect); | |
| 1400 // update zoom div | |
| 1401 rect.adjustDiv($zoomDiv); | |
| 1402 return false; | |
| 1403 }; | |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1404 |
| 647 | 1405 // mouseup handler: end moving |
| 1406 var zoomEnd = function (evt) { | |
| 1407 pt2 = geom.position(evt); | |
| 1408 // assume a click and continue if the area is too small | |
| 1409 var clickRect = geom.rectangle(pt1, pt2); | |
| 703 | 1410 if (clickRect.getArea() <= 5) return false; |
| 647 | 1411 // hide zoom div |
| 1412 $zoomDiv.remove(); | |
| 1413 // unregister events | |
| 731 | 1414 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1415 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 647 | 1416 // clip and transform |
| 1417 clickRect.clipTo(picRect); | |
| 1418 var area = data.imgTrafo.invtransform(clickRect); | |
| 1419 data.zoomArea = area; | |
| 1420 // zoomed is always fit | |
| 1421 data.settings.ws = 1; | |
| 731 | 1422 delete data.dlOpts.fitwidth; |
| 1423 delete data.dlOpts.fitheight; | |
| 647 | 1424 redisplay(data); |
| 1425 return false; | |
| 1426 }; | |
| 661 | 1427 |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1428 // clear old handler (also ZoomDrag) |
| 731 | 1429 $scaler.unbind('.dlZoomArea'); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1430 $scaler.unbind(".dlZoomDrag"); |
| 731 | 1431 $elem.unbind('.dlZoomArea'); |
| 647 | 1432 // bind start zoom handler |
| 731 | 1433 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 647 | 1434 }; |
| 640 | 1435 |
| 716 | 1436 // 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
|
1437 var setupBirdDrag = function(data) { |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1438 var $birdImg = data.$birdImg; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1439 var $birdZoom = data.$birdZoom; |
| 723 | 1440 var $document = $(document); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1441 var $scaler = data.$scaler; |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1442 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1443 |
| 734 | 1444 // mousedown handler: start dragging bird zoom to a new position |
| 1445 var birdZoomStartDrag = function(evt) { | |
| 1446 startPos = geom.position(evt); | |
| 1447 // position may have changed | |
| 1448 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1449 birdImgRect = geom.rectangle($birdImg); | |
| 1450 birdZoomRect = geom.rectangle($birdZoom); | |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1451 scalerPos = geom.position($scaler); |
| 734 | 1452 newRect = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1453 fullRect = setZoomBG(data); // setup zoom background image |
| 734 | 1454 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1455 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1456 return false; | |
| 1457 }; | |
| 1458 | |
| 726 | 1459 // mousemove handler: drag |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1460 var birdZoomMove = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1461 var pos = geom.position(evt); |
| 723 | 1462 var delta = startPos.delta(pos); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1463 // move birdZoom div, keeping size |
| 723 | 1464 newRect = birdZoomRect.copy(); |
| 726 | 1465 newRect.addPosition(delta); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1466 newRect.stayInside(birdImgRect); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1467 // reflect birdview zoom position in scaler image |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1468 var area = data.birdTrafo.invtransform(newRect); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1469 var imgArea = data.imgTrafo.transform(area); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1470 var offset = imgArea.getPosition().neg(); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1471 offset.add(scalerPos); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1472 if (fullRect) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1473 var bgPos = fullRect.getPosition().add(offset); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1474 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1475 var bgPos = offset; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1476 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1477 // move the background image to the new position |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1478 data.$scaler.css({ |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1479 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1480 }); |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1481 // acount for border width |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1482 newRect.addPosition({x : -2, y : -2}); |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1483 newRect.adjustDiv($birdZoom); |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1484 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1485 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1486 |
| 726 | 1487 // mouseup handler: reload page |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1488 var birdZoomEndDrag = function(evt) { |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1489 var settings = data.settings; |
| 723 | 1490 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1491 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1492 if (newRect == null) { | |
| 1493 // no movement happened - set center to click position | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1494 startPos = birdZoomRect.getCenter(); |
| 723 | 1495 birdZoomMove(evt); |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1496 } |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1497 // ugly, but needed to prevent double border width compensation |
|
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1498 newRect.addPosition({x : +2, y : +2}); |
| 723 | 1499 var newArea = data.birdTrafo.invtransform(newRect); |
| 1500 data.zoomArea = newArea; | |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1501 redisplay(data); |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1502 return false; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1503 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1504 |
| 723 | 1505 // clear old handler |
| 1506 $document.unbind(".dlBirdMove"); | |
| 1507 $birdImg.unbind(".dlBirdMove"); | |
| 1508 $birdZoom.unbind(".dlBirdMove"); | |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1509 if (! isFullArea(data.zoomArea)) { |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1510 // set new handler |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1511 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1512 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1513 } |
|
671
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1514 }; |
|
ba582354e659
first step at dragging birdview zoom indicator around
hertzhaft
parents:
670
diff
changeset
|
1515 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1516 // move bird zoom indicator to reflect zoomed detail area |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1517 var setBirdZoom = function(data, rect) { |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1518 var part = data.imgTrafo.invtransform(rect); |
|
740
462adc0eefc9
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
739
diff
changeset
|
1519 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1520 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1521 var birdRect = birdTrafo.transform(part); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1522 // acount for border width |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1523 birdRect.addPosition({x : -2, y : -2}); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1524 birdRect.adjustDiv(data.$birdZoom); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1525 }; |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1526 |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1527 // set zoom background |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1528 var setZoomBG = function(data) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1529 var $scaler = data.$scaler; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1530 var $img = data.$img; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1531 var fullRect = null; |
| 760 | 1532 // hide marks |
| 1533 data.$elem.find('div.mark').hide(); | |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1534 // hide the scaler img, show background of div instead |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1535 $img.css('visibility', 'hidden'); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1536 var scalerCss = { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1537 'background-image' : 'url(' + $img.attr('src') + ')', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1538 'background-repeat' : 'no-repeat', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1539 'background-position' : 'left top', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1540 'opacity' : '0.5', |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1541 'cursor' : 'move' |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1542 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1543 if (data.hasBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1544 // full-size background using CSS3-background-size |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1545 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1546 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1547 // correct offset because background is relative |
|
744
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1548 var scalerPos = geom.position($scaler); |
|
78ed5b49259d
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
741
diff
changeset
|
1549 fullRect.addPosition(scalerPos.neg()); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1550 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1551 scalerCss['background-image'] = 'url(' + url + ')'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1552 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1553 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1554 } else { |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1555 // too big |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1556 fullRect = null; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1557 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1558 } |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1559 $scaler.css(scalerCss); |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1560 // isBgReady = true; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1561 return fullRect; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1562 }; |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1563 |
| 731 | 1564 // setup handlers for dragging the zoomed image |
| 698 | 1565 var setupZoomDrag = function(data) { |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1566 var startPos, delta, fullRect; |
| 726 | 1567 var $document = $(document); |
| 698 | 1568 var $elem = data.$elem; |
| 1569 var $scaler = data.$scaler; | |
| 1570 var $img = data.$img; | |
| 703 | 1571 |
| 726 | 1572 // drag the image and load a new detail on mouse up |
| 698 | 1573 var dragStart = function (evt) { |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1574 console.debug("dragstart at=",evt); |
|
730
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1575 // don't start dragging if not zoomed |
|
98a405711289
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
729
diff
changeset
|
1576 if (isFullArea(data.zoomArea)) return false; |
| 726 | 1577 startPos = geom.position(evt); |
| 734 | 1578 delta = null; |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1579 // set low res background immediately on mousedown |
|
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1580 fullRect = setZoomBG(data); |
| 726 | 1581 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1582 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1583 return false; |
| 698 | 1584 }; |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1585 |
| 726 | 1586 // mousemove handler: drag zoomed image |
| 698 | 1587 var dragMove = function (evt) { |
| 1588 var pos = geom.position(evt); | |
| 734 | 1589 delta = startPos.delta(pos); |
| 1590 if (fullRect) { | |
| 1591 var bgPos = fullRect.getPosition().add(delta); | |
| 1592 } else { | |
| 1593 var bgPos = delta; | |
| 1594 } | |
| 698 | 1595 // move the background image to the new position |
| 708 | 1596 $scaler.css({ |
| 734 | 1597 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 698 | 1598 }); |
|
739
58fcf8d8649f
move zoom-drag background along with birdview indicator
hertzhaft
parents:
738
diff
changeset
|
1599 // set birdview indicator to reflect new zoom position |
|
738
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1600 var za = geom.rectangle($img); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1601 za.addPosition(delta.neg()); |
|
bd283b2cdbbc
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
737
diff
changeset
|
1602 setBirdZoom(data, za); |
| 698 | 1603 return false; |
| 1604 }; | |
| 703 | 1605 |
| 726 | 1606 // mouseup handler: reload zoomed image in new position |
| 698 | 1607 var dragEnd = function (evt) { |
| 732 | 1608 $scaler.css('cursor', 'auto'); |
| 726 | 1609 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1610 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1611 if (delta == null || delta.distance() < 2) { | |
| 1612 // no movement | |
| 1613 $img.css('visibility', 'visible'); | |
| 734 | 1614 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 760 | 1615 // unhide marks |
| 1616 data.$elem.find('div.mark').show(); | |
| 726 | 1617 return false; |
| 1618 } | |
| 1619 // get old zoom area (screen coordinates) | |
| 734 | 1620 var za = geom.rectangle($img); |
| 726 | 1621 // move |
| 734 | 1622 za.addPosition(delta.neg()); |
| 726 | 1623 // transform back |
| 1624 var newArea = data.imgTrafo.invtransform(za); | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1625 data.zoomArea = FULL_AREA.fit(newArea); |
|
701
2660b733a1e7
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
700
diff
changeset
|
1626 redisplay(data); |
| 698 | 1627 return false; |
| 1628 }; | |
|
728
53584f90f66b
improved some embedded buttons; fixed reset function
hertzhaft
parents:
726
diff
changeset
|
1629 |
| 726 | 1630 // clear old handler |
| 1631 $document.unbind(".dlZoomDrag"); | |
| 734 | 1632 $scaler.unbind(".dlZoomDrag"); |
|
735
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1633 if (! isFullArea(data.zoomArea)) { |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1634 // set handler |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1635 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
9969e01b37cf
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
734
diff
changeset
|
1636 } |
| 698 | 1637 }; |
| 1638 | |
| 696 | 1639 // get image quality as a number (0..2) |
| 1640 var getQuality = function (data) { | |
| 1641 var flags = data.scalerFlags; | |
| 1642 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1643 return parseInt(q[1], 10); | |
| 699 | 1644 }; |
| 696 | 1645 |
| 1646 // set image quality as a number (0..2) | |
| 1647 var setQuality = function (data, qual) { | |
| 1648 var flags = data.scalerFlags; | |
| 1649 // clear flags | |
| 1650 for (var i = 0; i < 3; ++i) { | |
| 1651 delete flags['q'+i]; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1652 } |
| 696 | 1653 flags['q'+qual] = 'q'+qual; |
| 699 | 1654 }; |
| 703 | 1655 |
|
754
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1656 // get image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1657 var getScaleMode = function (data) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1658 if (data.scalerFlags.clip != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1659 return 'pixel'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1660 } else if (data.scalerFlags.osize != null) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1661 return 'size'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1662 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1663 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1664 return 'screen'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1665 }; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1666 |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1667 // set image scale mode (screen, pixel, size) |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1668 var setScaleMode = function (data, mode) { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1669 delete data.scalerFlags.fit; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1670 delete data.scalerFlags.clip; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1671 delete data.scalerFlags.osize; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1672 if (mode === 'pixel') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1673 data.scalerFlags.clip = 'clip'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1674 } else if (mode === 'size') { |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1675 data.scalerFlags.osize = 'osize'; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1676 } |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1677 // mo=fit is default |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1678 }; |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1679 |
|
17539f6838b6
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
753
diff
changeset
|
1680 // sets a key to a value (relative values with +/- if relative=true) |
| 643 | 1681 var setNumValue = function(settings, key, value) { |
| 709 | 1682 if (value == null) return null; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1683 if (isNumber(value)) { |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1684 settings[key] = value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1685 return value; |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1686 } |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1687 var sign = value[0]; |
| 643 | 1688 if (sign === '+' || sign === '-') { |
| 1689 if (settings[key] == null) { | |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1690 // this isn't perfect but still... |
| 643 | 1691 settings[key] = 0; |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1692 } |
| 643 | 1693 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1694 } else { | |
| 1695 settings[key] = value; | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1696 } |
| 643 | 1697 return settings[key]; |
| 1698 }; | |
| 648 | 1699 |
| 1700 // auxiliary function (from old dllib.js) | |
|
725
96dc93ff4d68
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
724
diff
changeset
|
1701 var isFullArea = function(area) { |
| 652 | 1702 return (area.width === 1.0) && (area.height === 1.0); |
| 648 | 1703 }; |
| 1704 | |
| 634 | 1705 // auxiliary function (from Douglas Crockford, A.10) |
| 1706 var isNumber = function isNumber(value) { | |
| 703 | 1707 return typeof value === 'number' && isFinite(value); |
| 634 | 1708 }; |
| 648 | 1709 |
| 624 | 1710 // auxiliary function to crop senseless precision |
| 1711 var cropFloat = function (x) { | |
| 630 | 1712 return parseInt(10000 * x, 10) / 10000; |
| 624 | 1713 }; |
| 648 | 1714 |
| 685 | 1715 // fallback for console.log calls |
| 1716 if (customConsole) { | |
| 1717 var logFunction = function(type) { | |
| 1718 return function(){ | |
| 1719 var $debug = $('#debug'); // debug div | |
| 1720 if (!$debug) return; | |
| 1721 var args = Array.prototype.slice.call(arguments); | |
| 1722 var argtext = args.join(' '); | |
| 1723 var $logDiv = $('<div/>'); | |
| 1724 $logDiv.addClass(type); | |
| 1725 $logDiv.text(argtext); | |
| 1726 $debug.append($logDiv); | |
| 1727 }; | |
| 1728 }; | |
| 1729 console.log = logFunction('_log'); | |
| 1730 console.debug = logFunction('_debug'); | |
| 1731 console.error = logFunction('_error'); | |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1732 } |
| 685 | 1733 |
| 598 | 1734 // hook plugin into jquery |
|
753
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1735 $.fn.digilib = function(action, obj) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1736 // plugin extension mechanism |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1737 if (action === 'extendPlugin') { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1738 // for each digilib $elem extend data.settings with obj.options |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1739 if (obj.options) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1740 this.each(function() { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1741 var $elem = $(this); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1742 // console.debug('extending:', $elem); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1743 var data = $elem.data('digilib'); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1744 if (!data) { |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1745 return console.log('cannot extend digilib plugin, element not initialised!'); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1746 } |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1747 var settings = data.settings; |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1748 $.extend(settings, obj.options); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1749 // console.log('settings:', settings); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1750 }); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1751 } |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1752 delete(obj.options); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1753 // extend the plugin actions (to make this useful, |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1754 // maybe we need to expose some more internal functions) |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1755 $.extend(actions, obj); |
|
8452a485e0e7
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
748
diff
changeset
|
1756 } else if (actions[action]) { |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1757 // call action on this with the remaining arguments (inserting data as first argument) |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1758 var $elem = $(this); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1759 var data = $elem.data('digilib'); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1760 var args = Array.prototype.slice.call(arguments, 1); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1761 args.unshift(data); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1762 return actions[action].apply(this, args); |
|
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1763 } else if (typeof(action) === 'object' || !action) { |
| 627 | 1764 // call init on this |
|
644
bffc7d8c3641
renamed 'actions' to 'buttons' and 'methods' to 'actions'
robcast
parents:
643
diff
changeset
|
1765 return actions.init.apply(this, arguments); |
| 598 | 1766 } else { |
|
706
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1767 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
498f9c7487ae
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
704
diff
changeset
|
1768 } |
| 598 | 1769 }; |
| 685 | 1770 |
| 597 | 1771 })(jQuery); |