Mercurial > hg > digilib-old
annotate client/digitallibrary/jquery/jquery.digilib.js @ 767:68b0c7a8ca7c jquery
pixel-by-pixel scale fully works now.
| author | robcast |
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| date | Thu, 10 Feb 2011 20:41:33 +0100 |
| parents | 31664707999e |
| children | 15c35c64ac04 |
| 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 /** |
| 604 | 21 * digilib jQuery plugin |
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22 **/ |
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23 |
| 655 | 24 |
| 767 | 25 /*jslint browser: true, debug: true, forin: true |
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26 */ |
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27 |
| 636 | 28 // fallback for console.log calls |
| 29 if (typeof(console) === 'undefined') { | |
| 30 var console = { | |
| 692 | 31 log : function(){}, |
| 32 debug : function(){}, | |
| 33 error : function(){} | |
| 34 }; | |
| 35 var customConsole = true; | |
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36 } |
| 604 | 37 |
| 38 (function($) { | |
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39 var buttons = { |
| 610 | 40 reference : { |
| 689 | 41 onclick : "reference", |
| 610 | 42 tooltip : "get a reference URL", |
| 43 img : "reference.png" | |
| 44 }, | |
| 45 zoomin : { | |
| 643 | 46 onclick : ["zoomBy", 1.4], |
| 610 | 47 tooltip : "zoom in", |
| 48 img : "zoom-in.png" | |
| 49 }, | |
| 50 zoomout : { | |
| 643 | 51 onclick : ["zoomBy", 0.7], |
| 610 | 52 tooltip : "zoom out", |
| 53 img : "zoom-out.png" | |
| 54 }, | |
| 55 zoomarea : { | |
| 654 | 56 onclick : "zoomArea", |
| 610 | 57 tooltip : "zoom area", |
| 58 img : "zoom-area.png" | |
| 59 }, | |
| 60 zoomfull : { | |
| 650 | 61 onclick : "zoomFull", |
| 610 | 62 tooltip : "view the whole image", |
| 63 img : "zoom-full.png" | |
| 64 }, | |
| 65 pagewidth : { | |
| 650 | 66 onclick : ["zoomFull", "width"], |
| 610 | 67 tooltip : "page width", |
| 68 img : "pagewidth.png" | |
| 69 }, | |
| 70 back : { | |
| 623 | 71 onclick : ["gotoPage", "-1"], |
| 610 | 72 tooltip : "goto previous image", |
| 73 img : "back.png" | |
| 74 }, | |
| 75 fwd : { | |
| 623 | 76 onclick : ["gotoPage", "+1"], |
| 610 | 77 tooltip : "goto next image", |
| 78 img : "fwd.png" | |
| 79 }, | |
| 80 page : { | |
| 716 | 81 onclick : "gotoPage", |
| 82 tooltip : "goto image number", | |
| 610 | 83 img : "page.png" |
| 84 }, | |
| 85 bird : { | |
| 635 | 86 onclick : "showBirdDiv", |
| 610 | 87 tooltip : "show bird's eye view", |
| 88 img : "birds-eye.png" | |
| 89 }, | |
| 90 help : { | |
| 635 | 91 onclick : "showAboutDiv", |
| 610 | 92 tooltip : "about Digilib", |
| 93 img : "help.png" | |
| 94 }, | |
| 95 reset : { | |
| 688 | 96 onclick : "reset", |
| 610 | 97 tooltip : "reset image", |
| 98 img : "reset.png" | |
| 99 }, | |
| 100 mark : { | |
| 647 | 101 onclick : "setMark", |
| 610 | 102 tooltip : "set a mark", |
| 103 img : "mark.png" | |
| 104 }, | |
| 105 delmark : { | |
| 650 | 106 onclick : "removeMark", |
| 610 | 107 tooltip : "delete the last mark", |
| 108 img : "delmark.png" | |
| 109 }, | |
| 110 hmir : { | |
| 661 | 111 onclick : ["mirror", "h"], |
| 610 | 112 tooltip : "mirror horizontally", |
| 113 img : "mirror-horizontal.png" | |
| 114 }, | |
| 115 vmir : { | |
| 661 | 116 onclick : ["mirror", "v"], |
| 610 | 117 tooltip : "mirror vertically", |
| 118 img : "mirror-vertical.png" | |
| 119 }, | |
| 120 rot : { | |
| 663 | 121 onclick : "rotate", |
| 610 | 122 tooltip : "rotate image", |
| 123 img : "rotate.png" | |
| 124 }, | |
| 125 brgt : { | |
| 663 | 126 onclick : "brightness", |
| 610 | 127 tooltip : "set brightness", |
| 128 img : "brightness.png" | |
| 129 }, | |
| 130 cont : { | |
| 663 | 131 onclick : "contrast", |
| 610 | 132 tooltip : "set contrast", |
| 133 img : "contrast.png" | |
| 134 }, | |
| 135 rgb : { | |
| 136 onclick : "javascript:setParamWin('rgb', '...')", | |
| 137 tooltip : "set rgb values", | |
| 138 img : "rgb.png" | |
| 139 }, | |
| 140 quality : { | |
| 748 | 141 onclick : "setQuality", |
| 610 | 142 tooltip : "set image quality", |
| 143 img : "quality.png" | |
| 144 }, | |
| 145 size : { | |
| 146 onclick : "javascript:toggleSizeMenu()", | |
| 147 tooltip : "set page size", | |
| 148 img : "size.png" | |
| 149 }, | |
| 150 calibrationx : { | |
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151 onclick : "calibrate", |
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152 tooltip : "calibrate screen resolution", |
| 610 | 153 img : "calibration-x.png" |
| 154 }, | |
| 155 scale : { | |
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156 onclick : "setScaleMode", |
| 610 | 157 tooltip : "change image scale", |
| 158 img : "original-size.png" | |
| 159 }, | |
| 699 | 160 toggleoptions : { |
| 748 | 161 onclick : "moreButtons", |
| 699 | 162 tooltip : "more options", |
| 163 img : "options.png" | |
| 164 }, | |
| 690 | 165 moreoptions : { |
| 748 | 166 onclick : ["moreButtons", "+1"], |
| 690 | 167 tooltip : "more options", |
| 168 img : "options.png" | |
| 169 }, | |
| 170 lessoptions : { | |
| 748 | 171 onclick : ["moreButtons", "-1"], |
| 690 | 172 tooltip : "less options", |
| 610 | 173 img : "options.png" |
| 174 }, | |
| 175 SEP : { | |
| 176 img : "sep.png" | |
| 177 } | |
| 178 }; | |
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179 |
| 605 | 180 var defaults = { |
| 616 | 181 // version of this script |
| 635 | 182 'version' : 'jquery.digilib.js 0.9', |
| 616 | 183 // logo url |
| 184 'logoUrl' : '../img/digilib-logo-text1.png', | |
| 635 | 185 // homepage url (behind logo) |
| 186 'homeUrl' : 'http://digilib.berlios.de', | |
| 744 | 187 // base URL to digilib viewer (for reference URLs) |
| 188 'digilibBaseUrl' : null, | |
| 610 | 189 // base URL to Scaler servlet |
| 652 | 190 'scalerBaseUrl' : null, |
| 610 | 191 // list of Scaler parameters |
| 627 | 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 | |
| 643 | 195 'pn' : 1, |
| 627 | 196 'ww' : 1.0, |
| 197 'wh' : 1.0, | |
| 198 'wx' : 0.0, | |
| 199 'wy' : 0.0, | |
| 200 'ws' : 1.0, | |
| 643 | 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 |
| 650 | 211 'digilibParamNames' : ['fn','pn','ww','wh','wx','wy','ws','mo','rot','cont','brgt','rgbm','rgba','mk','clop'], |
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212 // digilib parameter defaults |
| 643 | 213 'mk' : '', |
| 650 | 214 'clop' : '', |
| 643 | 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 | |
| 610 | 218 'interactionMode' : 'fullscreen', |
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219 // buttons |
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220 'buttons' : buttons, |
| 668 | 221 // defaults for digilib buttons |
| 665 | 222 'buttonSettings' : { |
| 223 'fullscreen' : { | |
| 668 | 224 // path to button images (must end with a slash) |
| 665 | 225 'imagePath' : 'img/fullscreen/', |
| 721 | 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"], | |
| 682 | 228 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 229 }, |
| 230 'embedded' : { | |
| 231 'imagePath' : 'img/embedded/16/', | |
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232 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","bird","help","reset","toggleoptions"], |
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233 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","toggleoptions"], |
| 682 | 234 'buttonSets' : ['standardSet', 'specialSet'] |
| 665 | 235 } |
| 697 | 236 }, |
| 237 // number of visible button groups | |
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238 'visibleButtonSets' : 1, |
| 616 | 239 // is birdView shown? |
| 240 'isBirdDivVisible' : false, | |
| 668 | 241 // dimensions of bird's eye div |
| 674 | 242 'birdDivWidth' : 200, |
| 243 'birdDivHeight' : 200, | |
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244 // parameters used by bird's eye div |
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245 'birdDivParams' : ['fn','pn','dw','dh'], |
| 668 | 246 // style of the zoom area indicator in the bird's eye div |
| 659 | 247 'birdIndicatorStyle' : {'border' : '2px solid #ff0000' }, |
| 668 | 248 // style of zoom area "rubber band" |
| 249 'zoomrectStyle' : {'border' : '2px solid #ff0000' }, | |
| 616 | 250 // is the "about" window shown? |
| 741 | 251 'isAboutDivVisible' : false, |
| 252 // maximum width of background image for drag-scroll | |
| 253 'maxBgSize' : 10000 | |
| 616 | 254 |
| 610 | 255 }; |
| 655 | 256 |
| 608 | 257 // affine geometry classes |
| 258 var geom = dlGeometry(); | |
| 655 | 259 |
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260 var FULL_AREA = geom.rectangle(0, 0, 1, 1); |
| 655 | 261 |
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262 var actions = { |
| 668 | 263 // init: digilib initialization |
| 264 init : function(options) { | |
| 265 // settings for this digilib instance are merged from defaults and options | |
| 266 var settings = $.extend({}, defaults, options); | |
| 267 var isFullscreen = settings.interactionMode === 'fullscreen'; | |
| 268 var queryParams = {}; | |
| 269 if (isFullscreen) { | |
| 270 queryParams = parseQueryParams(); | |
| 271 // check scalerBaseUrl | |
| 272 if (settings.scalerBaseUrl == null) { | |
| 273 // try the host this came from | |
| 274 var h = window.location.host; | |
| 275 if (window.location.host) { | |
| 276 var url = window.location.href; | |
| 277 // assume the page lives in [webapp]/jquery/ | |
| 278 var pos = url.indexOf('jquery/'); | |
| 279 if (pos > 0) { | |
| 280 settings.scalerBaseUrl = url.substring(0, pos) + 'servlet/Scaler'; | |
| 652 | 281 } |
| 282 } | |
| 636 | 283 } |
| 668 | 284 } |
| 285 return this.each(function() { | |
| 286 var $elem = $(this); | |
| 287 var data = $elem.data('digilib'); | |
| 688 | 288 var params, elemSettings; |
| 668 | 289 // if the plugin hasn't been initialized yet |
| 290 if (!data) { | |
| 291 // merge query parameters | |
| 292 if (isFullscreen) { | |
| 688 | 293 params = queryParams; |
| 668 | 294 } else { |
| 688 | 295 params = parseImgParams($elem); |
| 727 | 296 if (jQuery.cookie) { |
| 297 // retrieve params from cookie | |
| 298 var ck = "digilib-embed:fn:" + escape(params.fn) + ":pn:" + (params.pn || '1'); | |
| 299 var cs = jQuery.cookie(ck); | |
| 300 console.debug("get cookie=", ck, " value=", cs); | |
| 301 if (cs) { | |
| 302 var cp = parseQueryString(cs); | |
| 728 | 303 // ignore fn and pn from cookie TODO: should we keep pn? |
| 304 delete cp.fn; | |
| 305 delete cp.pn; | |
| 306 jQuery.extend(params, cp); | |
| 727 | 307 } |
| 308 } | |
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309 } |
| 668 | 310 // store $(this) element in the settings |
| 728 | 311 elemSettings = jQuery.extend({}, settings, params); |
| 697 | 312 data = { |
| 668 | 313 $elem : $elem, |
| 314 settings : elemSettings, | |
| 688 | 315 queryParams : params |
| 668 | 316 }; |
| 317 // store in data element | |
| 318 $elem.data('digilib', data); | |
| 319 } | |
| 320 unpackParams(data); | |
| 744 | 321 // check if browser knows *background-size |
| 741 | 322 for (var bs in {'':1, '-moz-':1, '-webkit-':1, '-o-':1}) { |
| 323 if ($elem.css(bs+'background-size')) { | |
| 324 data.hasBgSize = true; | |
| 325 data.bgSizeName = bs+'background-size'; | |
| 326 break; | |
| 327 } | |
| 328 } | |
| 744 | 329 // check digilib base URL |
| 330 if (elemSettings.digilibBaseUrl == null) { | |
| 331 if (isFullscreen) { | |
| 332 // take current host | |
| 333 var url = window.location.toString(); | |
| 334 var pos = url.indexOf('?'); | |
| 335 elemSettings.digilibBaseUrl = url.substring(0, pos); | |
| 336 } else { | |
| 337 var url = elemSettings.scalerBaseUrl; | |
| 338 if (url) { | |
| 339 // build it from scaler URL | |
| 340 var bp = url.indexOf('/servlet/Scaler'); | |
| 341 elemSettings.digilibBaseUrl = url.substring(0, bp) + '/digilib.jsp'; | |
| 342 } | |
| 343 } | |
| 344 } | |
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345 // get image info from server if needed |
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346 if (data.scaleMode === 'pixel' || data.scaleMode === 'size') { |
| 767 | 347 loadImageInfo(data, updateDisplay); // updateDisplay(data) on completion |
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348 } |
| 682 | 349 // create HTML structure for scaler |
| 668 | 350 setupScalerDiv(data); |
| 697 | 351 // add buttons |
| 352 for (var i = 0; i < elemSettings.visibleButtonSets; ++i) { | |
| 353 showButtons(data, true, i); | |
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354 } |
| 668 | 355 // bird's eye view creation |
| 710 | 356 if (elemSettings.isBirdDivVisible) { |
| 638 | 357 setupBirdDiv(data); |
| 723 | 358 data.$birdDiv.show(); |
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359 } |
| 668 | 360 // about window creation - TODO: could be deferred? restrict to only one item? |
| 361 setupAboutDiv(data); | |
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362 // drag zoom area around in scaler div |
| 755 | 363 // setupZoomDrag(data); // is done in scalerImgLoadedHandler() |
| 668 | 364 }); |
| 365 }, | |
| 366 | |
| 367 // destroy: clean up digilib | |
| 368 destroy : function(data) { | |
| 369 return this.each(function(){ | |
| 370 var $elem = $(this); | |
| 371 $(window).unbind('.digilib'); // unbind all digilibs(?) | |
| 372 data.digilib.remove(); | |
| 373 $elem.removeData('digilib'); | |
| 374 }); | |
| 375 }, | |
| 376 | |
| 377 // show or hide the 'about' window | |
| 378 showAboutDiv : function(data, show) { | |
| 379 data.settings.isAboutDivVisible = showDiv(data.settings.isAboutDivVisible, data.$aboutDiv, show); | |
| 380 }, | |
| 655 | 381 |
| 668 | 382 // event handler: toggles the visibility of the bird's eye window |
| 383 showBirdDiv : function (data, show) { | |
| 726 | 384 var settings = data.settings; |
| 668 | 385 if (data.$birdDiv == null) { |
| 386 // no bird div -> create | |
| 387 setupBirdDiv(data); | |
| 388 } | |
| 726 | 389 settings.isBirdDivVisible = showDiv(settings.isBirdDivVisible, data.$birdDiv, show); |
| 390 updateBirdDiv(data); | |
| 723 | 391 storeOptions(data); |
| 668 | 392 }, |
| 393 | |
| 394 // goto given page nr (+/-: relative) | |
| 395 gotoPage : function (data, pageNr) { | |
| 396 var settings = data.settings; | |
| 397 var oldpn = settings.pn; | |
| 716 | 398 if (pageNr == null) { |
| 399 pageNr = window.prompt("Goto page number", oldpn); | |
| 400 } | |
| 668 | 401 var pn = setNumValue(settings, "pn", pageNr); |
| 402 if (pn == null) return false; // nothing happened | |
| 403 if (pn < 1) { | |
| 404 alert("no such page (page number too low)"); | |
| 405 settings.pn = oldpn; | |
| 406 return false; | |
| 407 } | |
| 767 | 408 // TODO: how do we get pt? |
| 668 | 409 if (settings.pt) { |
| 410 if (pn > settings.pt) { | |
| 411 alert("no such page (page number too high)"); | |
| 623 | 412 settings.pn = oldpn; |
| 413 return false; | |
| 634 | 414 } |
| 668 | 415 } |
| 416 // reset mk and others(?) | |
| 417 data.marks = []; | |
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418 data.zoomArea = FULL_AREA; |
| 668 | 419 // then reload |
| 420 redisplay(data); | |
| 421 }, | |
| 654 | 422 |
| 668 | 423 // zoom by a given factor |
| 424 zoomBy : function (data, factor) { | |
| 425 zoomBy(data, factor); | |
| 426 }, | |
| 647 | 427 |
| 767 | 428 // zoom to area (or interactive) |
| 429 zoomArea : function (data, area) { | |
| 430 var settings = data.settings; | |
| 431 if (area == null) { | |
| 432 // interactively | |
| 433 zoomArea(data); | |
| 434 } else { | |
| 435 data.zoomArea = geom.rectangle(area); | |
| 436 redisplay(data); | |
| 437 } | |
| 668 | 438 }, |
| 650 | 439 |
| 668 | 440 // zoom out to full page |
| 441 zoomFull : function (data, mode) { | |
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442 data.zoomArea = FULL_AREA; |
| 668 | 443 if (mode === 'width') { |
| 444 data.dlOpts.fitwidth = 1; | |
| 445 delete data.dlOpts.fitheight; | |
| 446 } else if (mode === 'height') { | |
| 447 data.dlOpts.fitheight = 1; | |
| 448 delete data.dlOpts.fitwidth; | |
| 449 } else { | |
| 450 delete data.dlOpts.fitwidth; | |
| 451 delete data.dlOpts.fitheight; | |
| 452 } | |
| 453 redisplay(data); | |
| 454 }, | |
| 455 | |
| 456 // set a mark by clicking (or giving a position) | |
| 457 setMark : function (data, mpos) { | |
| 458 if (mpos == null) { | |
| 459 // interactive | |
| 460 setMark(data); | |
| 461 } else { | |
| 462 // use position | |
| 463 data.marks.push(pos); | |
| 663 | 464 redisplay(data); |
| 604 | 465 } |
| 668 | 466 }, |
| 467 | |
| 468 // remove the last mark | |
| 469 removeMark : function (data) { | |
| 470 data.marks.pop(); | |
| 471 redisplay(data); | |
| 472 }, | |
| 473 | |
| 474 // mirror the image | |
| 475 mirror : function (data, mode) { | |
| 476 var flags = data.scalerFlags; | |
| 477 if (mode === 'h') { | |
| 478 if (flags.hmir) { | |
| 479 delete flags.hmir; | |
| 480 } else { | |
| 481 flags.hmir = 1; | |
| 482 } | |
| 483 } else { | |
| 484 if (flags.vmir) { | |
| 485 delete flags.vmir; | |
| 486 } else { | |
| 487 flags.vmir = 1; | |
| 488 } | |
| 489 } | |
| 490 redisplay(data); | |
| 491 }, | |
| 650 | 492 |
| 668 | 493 // rotate the image |
| 494 rotate : function (data, angle) { | |
| 495 var rot = data.settings.rot; | |
| 496 if (angle == null) { | |
| 497 angle = window.prompt("Rotation angle:", rot); | |
| 498 } | |
| 499 data.settings.rot = angle; | |
| 500 redisplay(data); | |
| 501 }, | |
| 502 | |
| 503 // change brightness | |
| 504 brightness : function (data, factor) { | |
| 505 var brgt = data.settings.brgt; | |
| 506 if (factor == null) { | |
| 507 factor = window.prompt("Brightness (-255..255)", brgt); | |
| 508 } | |
| 509 data.settings.brgt = factor; | |
| 510 redisplay(data); | |
| 511 }, | |
| 512 | |
| 513 // change contrast | |
| 514 contrast : function (data, factor) { | |
| 515 var cont = data.settings.cont; | |
| 516 if (factor == null) { | |
| 517 factor = window.prompt("Contrast (-8, 8)", cont); | |
| 518 } | |
| 519 data.settings.cont = factor; | |
| 520 redisplay(data); | |
| 688 | 521 }, |
| 710 | 522 |
| 690 | 523 // display more (or less) button sets |
| 748 | 524 moreButtons : function (data, more) { |
| 696 | 525 var settings = data.settings; |
| 699 | 526 if (more == null) { |
| 703 | 527 // toggle more or less (only works for 2 sets) |
| 699 | 528 var maxbtns = settings.buttonSettings[settings.interactionMode].buttonSets.length; |
| 529 if (settings.visibleButtonSets >= maxbtns) { | |
| 530 more = '-1'; | |
| 531 } else { | |
| 532 more = '+1'; | |
| 533 } | |
| 534 } | |
| 690 | 535 if (more === '-1') { |
| 536 // remove set | |
| 697 | 537 var setIdx = settings.visibleButtonSets - 1; |
| 538 if (showButtons(data, false, setIdx, true)) { | |
| 539 settings.visibleButtonSets--; | |
| 540 } | |
| 690 | 541 } else { |
| 542 // add set | |
| 697 | 543 var setIdx = settings.visibleButtonSets; |
| 544 if (showButtons(data, true, setIdx, true)) { | |
| 545 settings.visibleButtonSets++; | |
| 690 | 546 } |
| 547 } | |
| 723 | 548 // persist setting |
| 549 storeOptions(data); | |
| 691 | 550 }, |
| 688 | 551 |
| 703 | 552 // reset image parameters to defaults |
| 688 | 553 reset : function (data) { |
| 554 var settings = data.settings; | |
| 555 var paramNames = settings.digilibParamNames; | |
| 556 var params = data.queryParams; | |
| 557 // delete all digilib parameters | |
| 558 for (var i = 0; i < paramNames.length; i++) { | |
| 559 var paramName = paramNames[i]; | |
| 560 delete settings[paramName]; | |
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561 } |
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562 settings.fn = params.fn || ''; // no default defined |
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563 settings.pn = params.pn || defaults.pn; |
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564 settings.dw = params.dw; |
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565 settings.dh = params.dh; |
| 709 | 566 settings.isBirdDivVisible = false; |
| 567 settings.visibleButtonSets = 1; | |
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568 // resets zoomArea, marks, scalerflags |
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569 data.zoomArea = FULL_AREA; |
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570 data.marks = []; |
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571 data.scalerFlags = {}; |
| 712 | 572 delete data.dlOpts.fitwidth; |
| 573 delete data.dlOpts.fitheight; | |
| 688 | 574 redisplay(data); |
| 689 | 575 }, |
| 576 | |
| 703 | 577 // presents a reference url (returns value if noprompt) |
| 578 reference : function (data, noprompt) { | |
| 689 | 579 var settings = data.settings; |
| 744 | 580 var url = getDigilibUrl(data); |
| 703 | 581 if (noprompt == null) { |
| 582 window.prompt("URL reference to the current view", url); | |
| 583 } | |
| 584 return url; | |
| 585 }, | |
| 710 | 586 |
| 703 | 587 // set image quality |
| 748 | 588 setQuality : function (data, qual) { |
| 703 | 589 var oldq = getQuality(data); |
| 590 if (qual == null) { | |
| 591 qual = window.prompt("Image quality (0..2)", oldq); | |
| 592 } | |
| 593 qual = parseInt(qual, 10); | |
| 594 if (qual >= 0 && qual <= 2) { | |
| 595 setQuality(data, qual); | |
| 596 redisplay(data); | |
| 597 } | |
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598 }, |
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599 |
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600 // calibrate (only faking) |
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601 calibrate : function (data) { |
| 767 | 602 loadImageInfo(data); |
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603 }, |
|
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604 |
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605 // set image scale mode |
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606 setScaleMode : function (data, mode) { |
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607 var oldM = getScaleMode(data); |
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608 if (mode == null) { |
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609 mode = window.prompt("Image scale mode (screen, pixel, size)", oldM); |
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610 } |
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611 if (mode != null) { |
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612 setScaleMode(data, mode); |
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613 data.scaleMode = mode; |
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761
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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 // end of actions |
| 605 | 619 }; |
| 604 | 620 |
| 608 | 621 // returns parameters from page url |
| 607 | 622 var parseQueryParams = function() { |
| 636 | 623 return parseQueryString(window.location.search.slice(1)); |
| 624 }; | |
| 655 | 625 |
| 636 | 626 // returns parameters from embedded img-element |
| 607 | 627 var parseImgParams = function($elem) { |
|
613
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|
628 var src = $elem.find('img').first().attr('src'); |
| 710 | 629 if (!src) return null; |
| 607 | 630 var pos = src.indexOf('?'); |
| 631 var query = (pos < 0) ? '' : src.substring(pos + 1); | |
| 632 var scalerUrl = src.substring(0, pos); | |
| 627 | 633 var params = parseQueryString(query); |
| 634 params.scalerBaseUrl = scalerUrl; | |
| 635 return params; | |
| 636 | 636 }; |
| 607 | 637 |
| 608 | 638 // parses query parameter string into parameter object |
| 607 | 639 var parseQueryString = function(query) { |
| 701 | 640 var params = {}; |
| 641 if (query == null) return params; | |
| 607 | 642 var pairs = query.split("&"); |
| 636 | 643 //var keys = []; |
| 607 | 644 for (var i = 0; i < pairs.length; i++) { |
| 645 var pair = pairs[i].split("="); | |
| 646 if (pair.length === 2) { | |
| 627 | 647 params[pair[0]] = pair[1]; |
| 636 | 648 //keys.push(pair[0]); |
| 634 | 649 } |
| 636 | 650 } |
| 627 | 651 return params; |
| 636 | 652 }; |
| 668 | 653 |
| 643 | 654 // returns a query string from key names from a parameter hash (ignoring if the same value is in defaults) |
| 655 var getParamString = function (settings, keys, defaults) { | |
| 615 | 656 var paramString = ''; |
| 650 | 657 var nx = false; |
| 615 | 658 for (i = 0; i < keys.length; ++i) { |
| 659 var key = keys[i]; | |
| 663 | 660 if ((settings[key] != null) && ((defaults == null) || (settings[key] != defaults[key]))) { |
| 615 | 661 // first param gets no '&' |
| 650 | 662 if (nx) { |
| 663 paramString += '&'; | |
| 664 } else { | |
| 665 nx = true; | |
| 666 } | |
| 615 | 667 // add parm=val |
| 668 paramString += key + '=' + settings[key]; | |
| 643 | 669 } |
| 615 | 670 } |
| 671 return paramString; | |
| 631 | 672 }; |
| 673 | |
| 636 | 674 // returns URL and query string for Scaler |
| 675 var getScalerUrl = function (data) { | |
| 741 | 676 packParams(data); |
| 653 | 677 var settings = data.settings; |
| 652 | 678 if (settings.scalerBaseUrl == null) { |
| 679 alert("ERROR: URL of digilib Scaler servlet missing!"); | |
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680 } |
| 636 | 681 var keys = settings.scalerParamNames; |
| 643 | 682 var queryString = getParamString(settings, keys, defaults); |
| 636 | 683 var url = settings.scalerBaseUrl + '?' + queryString; |
| 684 return url; | |
| 685 }; | |
| 686 | |
| 741 | 687 // returns URL for bird's eye view image |
| 743 | 688 var getBirdImgUrl = function (data, moreParams) { |
| 741 | 689 var settings = data.settings; |
| 690 var birdDivOptions = { | |
| 691 dw : settings.birdDivWidth, | |
| 692 dh : settings.birdDivHeight | |
| 693 }; | |
| 743 | 694 var birdSettings = jQuery.extend({}, settings, birdDivOptions); |
| 741 | 695 // use only the relevant parameters |
| 743 | 696 if (moreParams == null) { |
| 697 var params = getParamString(birdSettings, settings.birdDivParams, defaults); | |
| 698 } else { | |
| 767 | 699 // filter scaler flags |
| 700 if (birdSettings.mo != null) { | |
| 701 var mo = ''; | |
| 702 if (data.scalerFlags.hmir != null) { | |
| 703 mo += 'hmir,'; | |
| 704 } | |
| 705 if (data.scalerFlags.vmir != null) { | |
| 706 mo += 'vmir'; | |
| 707 } | |
| 708 birdSettings.mo = mo; | |
| 709 } | |
| 743 | 710 var params = getParamString(birdSettings, |
| 711 settings.birdDivParams.concat(moreParams), defaults); | |
| 712 } | |
| 713 var url = settings.scalerBaseUrl + '?' + params; | |
| 741 | 714 return url; |
| 715 }; | |
|
745
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diff
changeset
|
716 |
| 636 | 717 // returns URL and query string for current digilib |
|
644
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robcast
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changeset
|
718 var getDigilibUrl = function (data) { |
| 643 | 719 packParams(data); |
| 636 | 720 var settings = data.settings; |
|
644
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|
721 var queryString = getParamString(settings, settings.digilibParamNames, defaults); |
| 744 | 722 return settings.digilibBaseUrl + '?' + queryString; |
| 636 | 723 }; |
| 724 | |
| 767 | 725 // loads image information from digilib server via HTTP (and calls complete-fn) |
| 726 var loadImageInfo = function (data, complete) { | |
|
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727 var settings = data.settings; |
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|
728 var p = settings.scalerBaseUrl.indexOf('/servlet/Scaler'); |
|
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diff
changeset
|
729 var url = settings.scalerBaseUrl.substring(0, p) + '/ImgInfo-json.jsp'; |
|
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|
730 url += '?' + getParamString(settings, ['fn', 'pn'], defaults); |
| 767 | 731 // TODO: better error handling |
|
754
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diff
changeset
|
732 jQuery.getJSON(url, function (json) { |
|
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diff
changeset
|
733 console.debug("got json data=", json); |
|
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
734 data.imgInfo = json; |
|
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reading image info asynchronously works now. has just no use yet.
robcast
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diff
changeset
|
735 if (complete != null) { |
|
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reading image info asynchronously works now. has just no use yet.
robcast
parents:
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diff
changeset
|
736 complete.call(this, data, json); |
|
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diff
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|
737 } |
|
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|
738 }); |
|
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diff
changeset
|
739 }; |
|
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diff
changeset
|
740 |
| 655 | 741 // processes some parameters into objects and stuff |
| 631 | 742 var unpackParams = function (data) { |
| 743 var settings = data.settings; | |
| 636 | 744 // zoom area |
| 631 | 745 var zoomArea = geom.rectangle(settings.wx, settings.wy, settings.ww, settings.wh); |
| 643 | 746 data.zoomArea = zoomArea; |
| 636 | 747 // marks |
| 631 | 748 var marks = []; |
| 650 | 749 if (settings.mk) { |
| 750 var mk = settings.mk; | |
| 751 if (mk.indexOf(";") >= 0) { | |
| 752 var pa = mk.split(";"); // old format with ";" | |
| 753 } else { | |
| 754 var pa = mk.split(","); // new format | |
|
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more cosmetics: added options to validate with http://www.jslint.com
robcast
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diff
changeset
|
755 } |
| 650 | 756 for (var i = 0; i < pa.length ; i++) { |
| 757 var pos = pa[i].split("/"); | |
| 758 if (pos.length > 1) { | |
| 759 marks.push(geom.position(pos[0], pos[1])); | |
|
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|
760 } |
|
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761 } |
|
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|
762 } |
| 643 | 763 data.marks = marks; |
| 650 | 764 // mo (Scaler flags) |
| 765 var flags = {}; | |
| 766 if (settings.mo) { | |
| 767 var pa = settings.mo.split(","); | |
| 768 for (var i = 0; i < pa.length ; i++) { | |
| 769 flags[pa[i]] = pa[i]; | |
|
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770 } |
|
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robcast
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|
771 } |
| 650 | 772 data.scalerFlags = flags; |
|
763
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changeset
|
773 data.scaleMode = getScaleMode(data); |
| 723 | 774 retrieveOptions(data); |
| 655 | 775 }; |
| 776 | |
| 631 | 777 // put objects back into parameters |
| 778 var packParams = function (data) { | |
| 779 var settings = data.settings; | |
| 636 | 780 // zoom area |
| 643 | 781 if (data.zoomArea) { |
| 647 | 782 settings.wx = cropFloat(data.zoomArea.x); |
| 783 settings.wy = cropFloat(data.zoomArea.y); | |
| 784 settings.ww = cropFloat(data.zoomArea.width); | |
| 785 settings.wh = cropFloat(data.zoomArea.height); | |
|
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|
786 } |
| 636 | 787 // marks |
| 643 | 788 if (data.marks) { |
| 650 | 789 settings.mk = ''; |
| 643 | 790 for (var i = 0; i < data.marks.length; i++) { |
| 650 | 791 if (i) { |
| 792 settings.mk += ','; | |
|
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|
793 } |
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794 settings.mk += cropFloat(data.marks[i].x).toString() + |
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795 '/' + cropFloat(data.marks[i].y).toString(); |
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796 } |
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797 } |
| 650 | 798 // Scaler flags |
| 799 if (data.scalerFlags) { | |
| 800 var mo = ''; | |
| 801 for (var f in data.scalerFlags) { | |
| 802 if (mo) { | |
| 803 mo += ','; | |
| 804 } | |
| 805 mo += f; | |
| 806 } | |
| 807 settings.mo = mo; | |
| 808 } | |
| 710 | 809 // user interface options |
| 723 | 810 storeOptions(data); |
| 709 | 811 }; |
| 688 | 812 |
| 723 | 813 var storeOptions = function (data) { |
| 701 | 814 // save digilib options in cookie |
| 709 | 815 var settings = data.settings; |
| 816 if (data.dlOpts) { | |
| 817 // save digilib settings in options | |
| 818 data.dlOpts.birdview = settings.isBirdDivVisible ? 1 : 0; | |
| 819 data.dlOpts.buttons = settings.visibleButtonSets; | |
| 820 var clop = ''; | |
| 821 for (var o in data.dlOpts) { | |
| 822 if (clop) { | |
| 823 clop += '&'; | |
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824 } |
| 709 | 825 clop += o + '=' + data.dlOpts[o]; |
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826 } |
| 709 | 827 if (jQuery.cookie) { |
| 828 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 829 console.debug("set cookie=", ck, " value=", clop); | |
| 830 jQuery.cookie(ck, clop); | |
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831 } |
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832 } |
| 727 | 833 if (settings.interactionMode !== 'fullscreen' && jQuery.cookie) { |
| 834 // store normal parameters in cookie for embedded mode | |
| 835 var qs = getParamString(settings, settings.digilibParamNames, defaults); | |
| 836 var ck = "digilib-embed:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 837 console.debug("set cookie=", ck, " value=", qs); | |
| 838 jQuery.cookie(ck, qs); | |
| 839 } | |
| 631 | 840 }; |
| 655 | 841 |
| 723 | 842 var retrieveOptions = function (data) { |
| 709 | 843 // clop (digilib options) |
| 844 var opts = {}; | |
| 845 var settings = data.settings; | |
| 846 if (jQuery.cookie) { | |
| 847 // read from cookie | |
| 848 var ck = "digilib:fn:" + escape(settings.fn) + ":pn:" + settings.pn; | |
| 849 var cp = jQuery.cookie(ck); | |
| 850 console.debug("get cookie=", ck, " value=", cp); | |
| 851 // in query string format | |
| 852 opts = parseQueryString(cp); | |
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853 } |
| 709 | 854 data.dlOpts = opts; |
| 855 // birdview option | |
| 856 if (opts.birdview != null) { | |
| 857 settings.isBirdDivVisible = opts.birdview === '1'; | |
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858 } |
| 709 | 859 // visible button sets |
| 860 if (opts.buttons != null) { | |
| 861 settings.visibleButtonSets = opts.buttons; | |
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862 } |
| 711 | 863 }; |
| 709 | 864 |
| 622 | 865 // (re)load the img from a new scaler URL |
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866 var redisplay = function (data) { |
| 636 | 867 var settings = data.settings; |
| 868 if (settings.interactionMode === 'fullscreen') { | |
| 869 // update location.href (browser URL) in fullscreen mode | |
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870 var url = getDigilibUrl(data); |
| 636 | 871 var history = window.history; |
| 872 if (typeof(history.pushState) === 'function') { | |
| 873 console.debug("we could modify history, but we don't..."); | |
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874 } |
| 636 | 875 window.location = url; |
| 876 } else { | |
| 877 // embedded mode -- just change img src | |
| 878 var url = getScalerUrl(data); | |
| 879 data.$img.attr('src', url); | |
| 726 | 880 // redisplay bird img |
| 881 updateBirdDiv(data); | |
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882 } |
| 622 | 883 }; |
| 884 | |
| 767 | 885 // update display (overlays etc.) |
| 886 var updateDisplay = function (data) { | |
| 887 updateImgTrafo(data); | |
| 888 renderMarks(data); | |
| 889 setupZoomDrag(data); | |
| 890 if (data.settings.isBirdDivVisible) { | |
| 891 renderBirdArea(data); | |
| 892 setupBirdDrag(data); | |
| 893 } | |
| 894 // TODO: update event subscriber? | |
| 895 }; | |
| 896 | |
| 662 | 897 // returns maximum size for scaler img in fullscreen mode |
| 767 | 898 var getFullscreenImgSize = function ($elem) { |
| 662 | 899 var $win = $(window); |
| 900 var winH = $win.height(); | |
| 901 var winW = $win.width(); | |
| 902 // TODO: account for borders? | |
| 903 return geom.size(winW, winH); | |
| 904 }; | |
| 905 | |
| 608 | 906 // creates HTML structure for digilib in elem |
| 627 | 907 var setupScalerDiv = function (data) { |
| 908 var settings = data.settings; | |
| 647 | 909 var $elem = data.$elem; |
| 725 | 910 $elem.addClass('digilib'); |
| 728 | 911 var $img; |
| 912 var scalerUrl; | |
| 608 | 913 if (settings.interactionMode === 'fullscreen') { |
| 728 | 914 // fullscreen |
| 725 | 915 $elem.addClass('dl_fullscreen'); |
| 609 | 916 var imgSize = getFullscreenImgSize($elem); |
| 650 | 917 // fitwidth/height omits destination height/width |
| 728 | 918 if (data.dlOpts.fitheight == null) { |
| 650 | 919 settings.dw = imgSize.width; |
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920 } |
| 728 | 921 if (data.dlOpts.fitwidth == null) { |
| 650 | 922 settings.dh = imgSize.height; |
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923 } |
| 686 | 924 scalerUrl = getScalerUrl(data); |
| 728 | 925 $img = $('<img/>'); |
| 609 | 926 } else { |
| 728 | 927 // embedded mode -- try to keep img tag |
| 725 | 928 $elem.addClass('dl_embedded'); |
| 728 | 929 scalerUrl = getScalerUrl(data); |
| 623 | 930 $img = $elem.find('img'); |
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931 if ($img.length > 0) { |
| 728 | 932 oldUrl = $img.attr('src'); |
| 933 if (oldUrl === scalerUrl) { | |
| 934 console.debug("img detach:", $img); | |
| 935 $img.detach(); | |
| 936 } else { | |
| 937 $img = $('<img/>'); | |
| 938 } | |
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939 } else { |
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940 $img = $('<img/>'); |
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941 } |
| 608 | 942 } |
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943 // create new html |
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944 $elem.empty(); // TODO: should we keep stuff for customization? |
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945 var $scaler = $('<div class="scaler"/>'); |
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946 $elem.append($scaler); |
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947 $scaler.append($img); |
| 622 | 948 $img.addClass('pic'); |
| 649 | 949 data.$scaler = $scaler; |
| 636 | 950 data.$img = $img; |
| 687 | 951 // setup image load handler before setting the src attribute (IE bug) |
| 952 $img.load(scalerImgLoadedHandler(data)); | |
| 767 | 953 $img.error(function () {console.error("error loading scaler image");}); |
| 687 | 954 $img.attr('src', scalerUrl); |
| 608 | 955 }; |
| 615 | 956 |
| 610 | 957 // creates HTML structure for buttons in elem |
| 697 | 958 var createButtons = function (data, buttonSetIdx) { |
| 647 | 959 var $elem = data.$elem; |
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960 var settings = data.settings; |
| 665 | 961 var mode = settings.interactionMode; |
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962 var buttonSettings = settings.buttonSettings[mode]; |
| 682 | 963 var buttonGroup = buttonSettings.buttonSets[buttonSetIdx]; |
| 690 | 964 if (buttonGroup == null) { |
| 965 // no buttons here | |
| 966 return; | |
| 967 } | |
| 968 var $buttonsDiv = $('<div class="buttons"/>'); | |
| 682 | 969 var buttonNames = buttonSettings[buttonGroup]; |
| 970 for (var i = 0; i < buttonNames.length; i++) { | |
| 971 var buttonName = buttonNames[i]; | |
| 972 var buttonConfig = settings.buttons[buttonName]; | |
| 665 | 973 // construct the button html |
| 974 var $button = $('<div class="button"></div>'); | |
| 975 var $a = $('<a/>'); | |
| 976 var $img = $('<img class="button"/>'); | |
| 977 $buttonsDiv.append($button); | |
| 978 $button.append($a); | |
| 979 $a.append($img); | |
| 980 // add attributes and bindings | |
| 981 $button.attr('title', buttonConfig.tooltip); | |
| 682 | 982 $button.addClass('button-' + buttonName); |
| 665 | 983 // create handler for the buttons |
| 984 $a.bind('click.digilib', (function () { | |
| 985 // we create a new closure to capture the value of action | |
| 986 var action = buttonConfig.onclick; | |
| 987 if ($.isArray(action)) { | |
| 988 // the handler function calls digilib with action and parameters | |
| 989 return function (evt) { | |
| 990 console.debug('click action=', action, ' evt=', evt); | |
| 991 $elem.digilib.apply($elem, action); | |
| 992 return false; | |
| 993 }; | |
| 994 } else { | |
| 995 // the handler function calls digilib with action | |
| 996 return function (evt) { | |
| 997 console.debug('click action=', action, ' evt=', evt); | |
| 998 $elem.digilib(action); | |
| 999 return false; | |
| 1000 }; | |
| 1001 } | |
| 1002 })()); | |
| 1003 $img.attr('src', buttonSettings.imagePath + buttonConfig.img); | |
| 690 | 1004 } |
| 662 | 1005 // make buttons div scroll if too large for window |
| 1006 if ($buttonsDiv.height() > $(window).height() - 10) { | |
| 1007 $buttonsDiv.css('position', 'absolute'); | |
| 1008 } | |
| 697 | 1009 // buttons hidden at first |
| 1010 $buttonsDiv.hide(); | |
| 1011 $elem.append($buttonsDiv); | |
| 682 | 1012 if (data.$buttonSets == null) { |
| 697 | 1013 // first button set |
| 682 | 1014 data.$buttonSets = [$buttonsDiv]; |
| 1015 } else { | |
| 690 | 1016 $elem.append($buttonsDiv); |
| 682 | 1017 data.$buttonSets[buttonSetIdx] = $buttonsDiv; |
| 1018 } | |
| 612 | 1019 return $buttonsDiv; |
| 610 | 1020 }; |
| 615 | 1021 |
| 1022 // creates HTML structure for the bird's eye view in elem | |
| 638 | 1023 var setupBirdDiv = function (data) { |
| 647 | 1024 var $elem = data.$elem; |
| 615 | 1025 // the bird's eye div |
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1026 var $birdDiv = $('<div class="birdview" style="display:none"/>'); |
| 615 | 1027 // the detail indicator frame |
| 726 | 1028 var $birdZoom = $('<div class="birdzoom" style="display:none; background-color:transparent;"/>'); |
| 615 | 1029 // the small image |
| 1030 var $birdImg = $('<img class="birdimg"/>'); | |
| 723 | 1031 data.$birdDiv = $birdDiv; |
| 1032 data.$birdZoom = $birdZoom; | |
| 1033 data.$birdImg = $birdImg; | |
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1034 $elem.append($birdDiv); |
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1035 $birdDiv.append($birdZoom); |
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1036 $birdDiv.append($birdImg); |
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1037 $birdZoom.css(data.settings.birdIndicatorStyle); |
| 723 | 1038 var birdUrl = getBirdImgUrl(data); |
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1039 $birdImg.load(birdImgLoadedHandler(data)); |
| 767 | 1040 $birdImg.error(function () {console.error("error loading birdview image");}); |
| 723 | 1041 $birdImg.attr('src', birdUrl); |
| 1042 }; | |
| 1043 | |
| 1044 // update bird's eye view | |
| 1045 var updateBirdDiv = function (data) { | |
| 1046 if (!data.settings.isBirdDivVisible) return; | |
| 1047 var $birdImg = data.$birdImg; | |
| 1048 var oldsrc = $birdImg.attr('src'); | |
| 1049 var newsrc = getBirdImgUrl(data); | |
| 1050 if (oldsrc !== newsrc) { | |
| 1051 $birdImg.attr('src', newsrc); | |
| 1052 // onload handler re-renders | |
| 1053 } else { | |
| 1054 // re-render | |
| 1055 renderBirdArea(data); | |
| 730 | 1056 // enable click and drag |
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1057 setupBirdDrag(data); |
| 723 | 1058 } |
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1059 }; |
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1060 |
| 625 | 1061 // creates HTML structure for the about view in elem |
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1062 var setupAboutDiv = function (data) { |
| 647 | 1063 var $elem = data.$elem; |
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1064 var settings = data.settings; |
| 625 | 1065 var $aboutDiv = $('<div class="about" style="display:none"/>'); |
| 616 | 1066 var $header = $('<p>Digilib Graphic Viewer</p>'); |
| 1067 var $link = $('<a/>'); | |
| 1068 var $logo = $('<img class="logo" title="digilib"/>'); | |
| 1069 var $content = $('<p/>'); | |
| 1070 $elem.append($aboutDiv); | |
| 1071 $aboutDiv.append($header); | |
| 1072 $aboutDiv.append($link); | |
| 1073 $aboutDiv.append($content); | |
| 1074 $link.append($logo); | |
| 1075 $logo.attr('src', settings.logoUrl); | |
| 635 | 1076 $link.attr('href', settings.homeUrl); |
| 616 | 1077 $content.text('Version: ' + settings.version); |
| 635 | 1078 // click hides |
| 649 | 1079 $aboutDiv.bind('click.digilib', function () { |
| 646 | 1080 settings.isAboutDivVisible = showDiv(settings.isAboutDivVisible, $aboutDiv, 0); |
| 649 | 1081 return false; |
| 710 | 1082 }); |
| 635 | 1083 data.$aboutDiv = $aboutDiv; |
| 634 | 1084 }; |
| 1085 | |
| 635 | 1086 // shows some window e.g. 'about' (toggle visibility if show is null) |
| 1087 var showDiv = function (isVisible, $div, show) { | |
| 645 | 1088 if (show == null) { |
| 635 | 1089 // toggle visibility |
| 1090 isVisible = !isVisible; | |
| 1091 } else { | |
| 1092 // set visibility | |
| 1093 isVisible = show; | |
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1094 } |
| 635 | 1095 if (isVisible) { |
| 1096 $div.fadeIn(); | |
| 1097 } else { | |
| 1098 $div.fadeOut(); | |
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1099 } |
| 635 | 1100 return isVisible; |
| 634 | 1101 }; |
| 616 | 1102 |
| 697 | 1103 // display more (or less) button sets |
| 1104 var showButtons = function (data, more, setIdx, animated) { | |
| 711 | 1105 var atime = animated ? 'fast': 0; |
| 697 | 1106 if (more) { |
| 1107 // add set | |
| 1108 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 1109 var $set; | |
| 1110 if (data.$buttonSets && data.$buttonSets[setIdx]) { | |
| 1111 // set exists | |
| 1112 $set = data.$buttonSets[setIdx]; | |
| 1113 } else { | |
| 1114 $set = createButtons(data, setIdx); | |
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1115 } |
| 697 | 1116 if ($set == null) return false; |
| 1117 var btnWidth = $set.width(); | |
| 1118 // move remaining sets left and show new set | |
| 711 | 1119 if ($otherSets.length > 0) { |
| 1120 $otherSets.animate({right : '+='+btnWidth+'px'}, atime, | |
| 1121 function () {$set.show();}); | |
| 697 | 1122 } else { |
| 1123 $set.show(); | |
| 711 | 1124 } |
| 697 | 1125 } else { |
| 1126 // remove set | |
| 1127 var $set = data.$buttonSets[setIdx]; | |
| 1128 if ($set == null) return false; | |
| 1129 var btnWidth = $set.width(); | |
| 1130 // hide last set | |
| 1131 $set.hide(); | |
| 1132 // take remaining sets and move right | |
| 1133 var $otherSets = data.$elem.find('div.buttons:visible'); | |
| 711 | 1134 $otherSets.animate({right : '-='+btnWidth+'px'}, atime); |
| 1135 } | |
| 697 | 1136 return true; |
| 1137 }; | |
| 1138 | |
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1139 // create Transform from area and $img |
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1140 var getImgTrafo = function ($img, area, rot, hmir, vmir, mode, imgInfo) { |
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1141 var picrect = geom.rectangle($img); |
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1142 if (mode != null) { |
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1143 if (mode === 'pixel') { |
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1144 // scaler mo=clip - image area size does not come from ww, wh |
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1145 if (imgInfo != null) { |
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1146 area.width = picrect.width / imgInfo.width; |
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1147 area.height = picrect.height / imgInfo.height; |
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1148 } else { |
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761
diff
changeset
|
1149 console.error("No image info for pixel mode!"); |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1150 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1151 } |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1152 } |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1153 var trafo = geom.transform(); |
| 675 | 1154 // move zoom area offset to center |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1155 trafo.concat(trafo.getTranslation(geom.position(-area.x, -area.y))); |
| 675 | 1156 // scale zoom area size to [1,1] |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1157 trafo.concat(trafo.getScale(geom.size(1/area.width, 1/area.height))); |
| 675 | 1158 // rotate and mirror (around transformed image center i.e. [0.5,0.5]) |
| 1159 if (rot || hmir || vmir) { | |
| 1160 // move [0.5,0.5] to center | |
| 1161 trafo.concat(trafo.getTranslation(geom.position(-0.5, -0.5))); | |
| 1162 if (hmir) { | |
| 1163 // mirror about center | |
| 1164 trafo.concat(trafo.getMirror('y')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1165 } |
| 675 | 1166 if (vmir) { |
| 1167 // mirror about center | |
| 1168 trafo.concat(trafo.getMirror('x')); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1169 } |
| 675 | 1170 if (rot) { |
| 1171 // rotate around center | |
| 1172 trafo.concat(trafo.getRotation(parseFloat(rot))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1173 } |
| 675 | 1174 // move back |
| 1175 trafo.concat(trafo.getTranslation(geom.position(0.5, 0.5))); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1176 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1177 // scale to screen position and size |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1178 trafo.concat(trafo.getScale(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1179 trafo.concat(trafo.getTranslation(picrect)); |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1180 return trafo; |
| 655 | 1181 }; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1182 |
| 767 | 1183 // update scaler image transform |
| 1184 var updateImgTrafo = function (data) { | |
| 1185 var $img = data.$img; | |
| 1186 if ($img != null && $img.get(0).complete) { | |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1187 // create Transform from current zoomArea and image size |
| 675 | 1188 data.imgTrafo = getImgTrafo($img, data.zoomArea, |
|
763
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1189 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir, |
|
31664707999e
pixel-by-pixel scale mode works with zoom area. (not in all cases)
robcast
parents:
761
diff
changeset
|
1190 data.scaleMode, data.imgInfo); |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1191 // console.debug("imgTrafo=", data.imgTrafo); |
| 767 | 1192 } |
| 1193 }; | |
| 1194 | |
| 1195 // returns function for load event of scaler img | |
| 1196 var scalerImgLoadedHandler = function (data) { | |
| 1197 return function () { | |
| 1198 var $img = $(this); | |
| 1199 console.debug("scaler img loaded=",$img); | |
| 1200 var $scaler = data.$scaler; | |
|
760
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primitive plugin extension mechanism - unsure how useful this is
hertzhaft
parents:
755
diff
changeset
|
1201 var imgRect = geom.rectangle($img); |
| 733 | 1202 // adjust scaler div size |
| 738 | 1203 imgRect.adjustDiv($scaler); |
| 715 | 1204 // show image in case it was hidden (for example in zoomDrag) |
| 733 | 1205 $img.css('visibility', 'visible'); |
| 741 | 1206 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1207 // update display (render marks, etc.) |
| 1208 updateDisplay(data); | |
|
658
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1209 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1210 }; |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1211 |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1212 // returns function for load event of bird's eye view img |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1213 var birdImgLoadedHandler = function (data) { |
|
9ddcf0070122
split bird's view code in two more parts, analog to scaler-img code.
robcast
parents:
656
diff
changeset
|
1214 return function () { |
| 755 | 1215 var $birdImg = $(this); |
| 1216 var birdRect = geom.rectangle($birdImg); | |
| 1217 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data); | |
| 1218 if (birdRect.width === 0) { | |
| 1219 // malheureusement IE7 calls load handler when there is no size info yet | |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1220 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200); |
| 755 | 1221 } |
| 767 | 1222 // update display (zoom area indicator) |
| 1223 updateDisplay(data); | |
|
613
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1224 }; |
|
53ee659e2d00
keeping img tag for embedded mode seems to work now
robcast
parents:
612
diff
changeset
|
1225 }; |
| 633 | 1226 |
| 1227 // place marks on the image | |
| 1228 var renderMarks = function (data) { | |
| 767 | 1229 if (data.$img == null || data.imgTrafo == null) return; |
| 1230 console.debug("rendermarks img=",data.$img," imgtrafo=",data.imgTrafo); | |
| 647 | 1231 var $elem = data.$elem; |
| 643 | 1232 var marks = data.marks; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1233 // clear marks |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1234 $elem.find('div.mark').remove(); |
| 633 | 1235 for (var i = 0; i < marks.length; i++) { |
| 1236 var mark = marks[i]; | |
| 643 | 1237 if (data.zoomArea.containsPosition(mark)) { |
| 633 | 1238 var mpos = data.imgTrafo.transform(mark); |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1239 console.debug("renderMarks: mpos=",mpos); |
| 633 | 1240 // create mark |
| 1241 var html = '<div class="mark">'+(i+1)+'</div>'; | |
| 1242 var $mark = $(html); | |
| 1243 $elem.append($mark); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1244 mpos.adjustDiv($mark); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1245 } |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1246 } |
| 633 | 1247 }; |
| 655 | 1248 |
|
677
0233e39305d3
took renderBirdArea hooks out of scalerImgLoaded into redisplay.
robcast
parents:
676
diff
changeset
|
1249 // show zoom area indicator on bird's eye view |
| 723 | 1250 var renderBirdArea = function (data) { |
| 767 | 1251 if (data.$birdImg == null) return; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1252 var $birdZoom = data.$birdZoom; |
| 659 | 1253 var zoomArea = data.zoomArea; |
| 723 | 1254 var normalSize = isFullArea(zoomArea); |
| 1255 if (normalSize) { | |
| 1256 $birdZoom.hide(); | |
| 1257 return; | |
| 1258 } else { | |
| 1259 $birdZoom.show(); | |
| 1260 } | |
| 755 | 1261 // create Transform from current area and picsize |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1262 data.birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
| 738 | 1263 var zoomRect = data.birdTrafo.transform(zoomArea); |
| 755 | 1264 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo); |
| 741 | 1265 // acount for border width |
| 1266 zoomRect.addPosition({x : -2, y : -2}); | |
|
670
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1267 if (data.settings.interactionMode === 'fullscreen') { |
|
11d96bc0ac09
birdview: nice animation for embedded mode, none for fullscreen
hertzhaft
parents:
669
diff
changeset
|
1268 // no animation for fullscreen |
| 738 | 1269 zoomRect.adjustDiv($birdZoom); |
| 723 | 1270 } else { |
| 1271 // nice animation for embedded mode :-) | |
| 741 | 1272 // correct offsetParent because animate doesn't use offset |
| 726 | 1273 var ppos = $birdZoom.offsetParent().offset(); |
| 738 | 1274 var dest = { |
| 755 | 1275 left : (zoomRect.x - ppos.left) + 'px', |
| 1276 top : (zoomRect.y - ppos.top) + 'px', | |
| 1277 width : zoomRect.width, | |
| 1278 height : zoomRect.height | |
| 1279 }; | |
| 738 | 1280 $birdZoom.animate(dest); |
| 723 | 1281 } |
|
664
d5a5ee4cbf04
work on getting transformation to work with rotation (currently still doesn't)
robcast
parents:
663
diff
changeset
|
1282 }; |
| 659 | 1283 |
| 647 | 1284 // zooms by the given factor |
| 643 | 1285 var zoomBy = function(data, factor) { |
| 1286 var area = data.zoomArea; | |
| 1287 var newarea = area.copy(); | |
| 1288 // scale | |
| 1289 newarea.width /= factor; | |
| 1290 newarea.height /= factor; | |
| 1291 // and recenter | |
| 1292 newarea.x -= 0.5 * (newarea.width - area.width); | |
| 1293 newarea.y -= 0.5 * (newarea.height - area.height); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1294 newarea = FULL_AREA.fit(newarea); |
| 643 | 1295 data.zoomArea = newarea; |
|
644
ee8ccd84c5f8
reload doesn't take list of changed parameters any more
robcast
parents:
643
diff
changeset
|
1296 redisplay(data); |
| 643 | 1297 }; |
| 1298 | |
| 647 | 1299 // add a mark where clicked |
| 1300 var setMark = function (data) { | |
| 649 | 1301 var $scaler = data.$scaler; |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1302 // unbind other handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1303 $scaler.unbind(".dlZoomDrag"); |
| 647 | 1304 // start event capturing |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1305 $scaler.one('mousedown.dlSetMark', function (evt) { |
| 647 | 1306 // event handler adding a new mark |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1307 console.log("setmark at=", evt); |
|
672
7f7536a5b6d9
image transform works now under rotation!!! (at least for multiples of 90deg)
robcast
parents:
671
diff
changeset
|
1308 var mpos = geom.position(evt); |
| 647 | 1309 var pos = data.imgTrafo.invtransform(mpos); |
| 1310 data.marks.push(pos); | |
| 1311 redisplay(data); | |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1312 return false; |
| 647 | 1313 }); |
| 1314 }; | |
| 668 | 1315 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1316 // zoom to the area around two clicked points |
| 654 | 1317 var zoomArea = function(data) { |
| 1318 $elem = data.$elem; | |
| 1319 $scaler = data.$scaler; | |
| 1320 var pt1, pt2; | |
| 1321 var $zoomDiv = $('<div class="zoomrect" style="display:none"/>'); | |
| 1322 $elem.append($zoomDiv); | |
| 668 | 1323 $zoomDiv.css(data.settings.zoomrectStyle); |
| 654 | 1324 var picRect = geom.rectangle($scaler); |
| 1325 // FIX ME: is there a way to query the border width from CSS info? | |
| 1326 // rect.x -= 2; // account for overlay borders | |
| 1327 // rect.y -= 2; | |
| 1328 | |
| 1329 var zoomStart = function (evt) { | |
| 1330 pt1 = geom.position(evt); | |
| 1331 // setup and show zoom div | |
| 738 | 1332 pt1.adjustDiv($zoomDiv); |
| 668 | 1333 $zoomDiv.width(0).height(0); |
| 654 | 1334 $zoomDiv.show(); |
| 1335 // register events | |
| 738 | 1336 $elem.bind("mousemove.dlZoomArea", zoomMove); |
| 1337 $elem.bind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1338 return false; |
| 1339 }; | |
| 668 | 1340 |
| 741 | 1341 // mouse move handler |
| 1342 var zoomMove = function (evt) { | |
| 1343 pt2 = geom.position(evt); | |
| 1344 var rect = geom.rectangle(pt1, pt2); | |
| 1345 rect.clipTo(picRect); | |
| 1346 // update zoom div | |
| 1347 rect.adjustDiv($zoomDiv); | |
| 1348 return false; | |
| 1349 }; | |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1350 |
| 654 | 1351 // mouseup handler: end moving |
| 1352 var zoomEnd = function (evt) { | |
| 1353 pt2 = geom.position(evt); | |
| 1354 // assume a click and continue if the area is too small | |
| 1355 var clickRect = geom.rectangle(pt1, pt2); | |
| 710 | 1356 if (clickRect.getArea() <= 5) return false; |
| 654 | 1357 // hide zoom div |
| 1358 $zoomDiv.remove(); | |
| 1359 // unregister events | |
| 738 | 1360 $elem.unbind("mousemove.dlZoomArea", zoomMove); |
| 1361 $elem.unbind("mouseup.dlZoomArea", zoomEnd); | |
| 654 | 1362 // clip and transform |
| 1363 clickRect.clipTo(picRect); | |
| 1364 var area = data.imgTrafo.invtransform(clickRect); | |
| 1365 data.zoomArea = area; | |
| 1366 // zoomed is always fit | |
| 1367 data.settings.ws = 1; | |
| 738 | 1368 delete data.dlOpts.fitwidth; |
| 1369 delete data.dlOpts.fitheight; | |
| 654 | 1370 redisplay(data); |
| 1371 return false; | |
| 1372 }; | |
| 668 | 1373 |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1374 // clear old handler (also ZoomDrag) |
| 738 | 1375 $scaler.unbind('.dlZoomArea'); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1376 $scaler.unbind(".dlZoomDrag"); |
| 738 | 1377 $elem.unbind('.dlZoomArea'); |
| 654 | 1378 // bind start zoom handler |
| 738 | 1379 $scaler.one('mousedown.dlZoomArea', zoomStart); |
| 654 | 1380 }; |
| 647 | 1381 |
| 723 | 1382 // bird's eye view zoom area click and drag handler |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1383 var setupBirdDrag = function(data) { |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1384 var $birdImg = data.$birdImg; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1385 var $birdZoom = data.$birdZoom; |
| 730 | 1386 var $document = $(document); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1387 var $scaler = data.$scaler; |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1388 var startPos, newRect, birdImgRect, birdZoomRect, fullRect, scalerPos; |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1389 |
| 741 | 1390 // mousedown handler: start dragging bird zoom to a new position |
| 1391 var birdZoomStartDrag = function(evt) { | |
| 1392 startPos = geom.position(evt); | |
| 1393 // position may have changed | |
| 1394 data.birdTrafo = getImgTrafo($birdImg, FULL_AREA); | |
| 1395 birdImgRect = geom.rectangle($birdImg); | |
| 1396 birdZoomRect = geom.rectangle($birdZoom); | |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1397 scalerPos = geom.position($scaler); |
| 741 | 1398 newRect = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1399 fullRect = setZoomBG(data); // setup zoom background image |
| 741 | 1400 $document.bind("mousemove.dlBirdMove", birdZoomMove); |
| 1401 $document.bind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1402 return false; | |
| 1403 }; | |
| 1404 | |
| 733 | 1405 // mousemove handler: drag |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1406 var birdZoomMove = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1407 var pos = geom.position(evt); |
| 730 | 1408 var delta = startPos.delta(pos); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1409 // move birdZoom div, keeping size |
| 730 | 1410 newRect = birdZoomRect.copy(); |
| 733 | 1411 newRect.addPosition(delta); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1412 newRect.stayInside(birdImgRect); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1413 // reflect birdview zoom position in scaler image |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1414 var area = data.birdTrafo.invtransform(newRect); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1415 var imgArea = data.imgTrafo.transform(area); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1416 var offset = imgArea.getPosition().neg(); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1417 offset.add(scalerPos); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1418 if (fullRect) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1419 var bgPos = fullRect.getPosition().add(offset); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1420 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1421 var bgPos = offset; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1422 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1423 // move the background image to the new position |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1424 data.$scaler.css({ |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1425 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1426 }); |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1427 // acount for border width |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1428 newRect.addPosition({x : -2, y : -2}); |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1429 newRect.adjustDiv($birdZoom); |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1430 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1431 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1432 |
| 733 | 1433 // mouseup handler: reload page |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1434 var birdZoomEndDrag = function(evt) { |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1435 var settings = data.settings; |
| 730 | 1436 $document.unbind("mousemove.dlBirdMove", birdZoomMove); |
| 1437 $document.unbind("mouseup.dlBirdMove", birdZoomEndDrag); | |
| 1438 if (newRect == null) { | |
| 1439 // no movement happened - set center to click position | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1440 startPos = birdZoomRect.getCenter(); |
| 730 | 1441 birdZoomMove(evt); |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1442 } |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1443 // ugly, but needed to prevent double border width compensation |
|
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1444 newRect.addPosition({x : +2, y : +2}); |
| 730 | 1445 var newArea = data.birdTrafo.invtransform(newRect); |
| 1446 data.zoomArea = newArea; | |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1447 redisplay(data); |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1448 return false; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1449 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1450 |
| 730 | 1451 // clear old handler |
| 1452 $document.unbind(".dlBirdMove"); | |
| 1453 $birdImg.unbind(".dlBirdMove"); | |
| 1454 $birdZoom.unbind(".dlBirdMove"); | |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1455 if (! isFullArea(data.zoomArea)) { |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1456 // set new handler |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1457 $birdImg.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1458 $birdZoom.bind("mousedown.dlBirdMove", birdZoomStartDrag); |
|
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
robcast
parents:
731
diff
changeset
|
1459 } |
|
678
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1460 }; |
|
d50d24b7fd95
first step at dragging birdview zoom indicator around
hertzhaft
parents:
677
diff
changeset
|
1461 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1462 // move bird zoom indicator to reflect zoomed detail area |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1463 var setBirdZoom = function(data, rect) { |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1464 var part = data.imgTrafo.invtransform(rect); |
|
747
fd4842f0afc7
smoother birdZoom indicator movement; fixed bug in jQuery.offset()
hertzhaft
parents:
746
diff
changeset
|
1465 // area = FULL_AREA.fit(part); // no, we want to see where we transcend the borders |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1466 birdTrafo = getImgTrafo(data.$birdImg, FULL_AREA); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1467 var birdRect = birdTrafo.transform(part); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1468 // acount for border width |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1469 birdRect.addPosition({x : -2, y : -2}); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1470 birdRect.adjustDiv(data.$birdZoom); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1471 }; |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1472 |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1473 // set zoom background |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1474 var setZoomBG = function(data) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1475 var $scaler = data.$scaler; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1476 var $img = data.$img; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1477 var fullRect = null; |
| 767 | 1478 // hide marks |
| 1479 data.$elem.find('div.mark').hide(); | |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1480 // hide the scaler img, show background of div instead |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1481 $img.css('visibility', 'hidden'); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1482 var scalerCss = { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1483 'background-image' : 'url(' + $img.attr('src') + ')', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1484 'background-repeat' : 'no-repeat', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1485 'background-position' : 'left top', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1486 'opacity' : '0.5', |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1487 'cursor' : 'move' |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1488 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1489 if (data.hasBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1490 // full-size background using CSS3-background-size |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1491 fullRect = data.imgTrafo.transform(FULL_AREA); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1492 if (fullRect.height < data.settings.maxBgSize && fullRect.width < data.settings.maxBgSize) { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1493 // correct offset because background is relative |
|
751
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1494 var scalerPos = geom.position($scaler); |
|
00b7857f07f5
zoom-drag background follows birdZoom also in embedded mode (still imprecise)
hertzhaft
parents:
748
diff
changeset
|
1495 fullRect.addPosition(scalerPos.neg()); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1496 var url = getBirdImgUrl(data, ['rot', 'mo']); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1497 scalerCss['background-image'] = 'url(' + url + ')'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1498 scalerCss[data.bgSizeName] = fullRect.width + 'px ' + fullRect.height + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1499 scalerCss['background-position'] = fullRect.x + 'px '+ fullRect.y + 'px'; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1500 } else { |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1501 // too big |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1502 fullRect = null; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1503 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1504 } |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1505 $scaler.css(scalerCss); |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1506 // isBgReady = true; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1507 return fullRect; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1508 }; |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1509 |
| 738 | 1510 // setup handlers for dragging the zoomed image |
| 705 | 1511 var setupZoomDrag = function(data) { |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1512 var startPos, delta, fullRect; |
| 733 | 1513 var $document = $(document); |
| 705 | 1514 var $elem = data.$elem; |
| 1515 var $scaler = data.$scaler; | |
| 1516 var $img = data.$img; | |
| 710 | 1517 |
| 733 | 1518 // drag the image and load a new detail on mouse up |
| 705 | 1519 var dragStart = function (evt) { |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1520 console.debug("dragstart at=",evt); |
|
737
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1521 // don't start dragging if not zoomed |
|
7c93bdbb5153
setup zoomdrag even when image is not initially zoomed
hertzhaft
parents:
736
diff
changeset
|
1522 if (isFullArea(data.zoomArea)) return false; |
| 733 | 1523 startPos = geom.position(evt); |
| 741 | 1524 delta = null; |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1525 // set low res background immediately on mousedown |
|
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1526 fullRect = setZoomBG(data); |
| 733 | 1527 $document.bind("mousemove.dlZoomDrag", dragMove); |
| 1528 $document.bind("mouseup.dlZoomDrag", dragEnd); | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1529 return false; |
| 705 | 1530 }; |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1531 |
| 733 | 1532 // mousemove handler: drag zoomed image |
| 705 | 1533 var dragMove = function (evt) { |
| 1534 var pos = geom.position(evt); | |
| 741 | 1535 delta = startPos.delta(pos); |
| 1536 if (fullRect) { | |
| 1537 var bgPos = fullRect.getPosition().add(delta); | |
| 1538 } else { | |
| 1539 var bgPos = delta; | |
| 1540 } | |
| 705 | 1541 // move the background image to the new position |
| 715 | 1542 $scaler.css({ |
| 741 | 1543 'background-position' : bgPos.x + "px " + bgPos.y + "px" |
| 705 | 1544 }); |
|
746
2e9a48dc7a0c
move zoom-drag background along with birdview indicator
hertzhaft
parents:
745
diff
changeset
|
1545 // set birdview indicator to reflect new zoom position |
|
745
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1546 var za = geom.rectangle($img); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1547 za.addPosition(delta.neg()); |
|
ad483c008159
move birdview zoom indicator along with zoom drag
hertzhaft
parents:
744
diff
changeset
|
1548 setBirdZoom(data, za); |
| 705 | 1549 return false; |
| 1550 }; | |
| 710 | 1551 |
| 733 | 1552 // mouseup handler: reload zoomed image in new position |
| 705 | 1553 var dragEnd = function (evt) { |
| 739 | 1554 $scaler.css('cursor', 'auto'); |
| 733 | 1555 $document.unbind("mousemove.dlZoomDrag", dragMove); |
| 1556 $document.unbind("mouseup.dlZoomDrag", dragEnd); | |
| 1557 if (delta == null || delta.distance() < 2) { | |
| 1558 // no movement | |
| 1559 $img.css('visibility', 'visible'); | |
| 741 | 1560 $scaler.css({'opacity' : '1', 'background-image' : 'none'}); |
| 767 | 1561 // unhide marks |
| 1562 data.$elem.find('div.mark').show(); | |
| 733 | 1563 return false; |
| 1564 } | |
| 1565 // get old zoom area (screen coordinates) | |
| 741 | 1566 var za = geom.rectangle($img); |
| 733 | 1567 // move |
| 741 | 1568 za.addPosition(delta.neg()); |
| 733 | 1569 // transform back |
| 1570 var newArea = data.imgTrafo.invtransform(za); | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1571 data.zoomArea = FULL_AREA.fit(newArea); |
|
708
120ace160386
img reload works for fullscreen, but somehow not precise
hertzhaft
parents:
707
diff
changeset
|
1572 redisplay(data); |
| 705 | 1573 return false; |
| 1574 }; | |
|
735
790a7673bef0
improved some embedded buttons; fixed reset function
hertzhaft
parents:
733
diff
changeset
|
1575 |
| 733 | 1576 // clear old handler |
| 1577 $document.unbind(".dlZoomDrag"); | |
| 741 | 1578 $scaler.unbind(".dlZoomDrag"); |
|
742
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1579 if (! isFullArea(data.zoomArea)) { |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1580 // set handler |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1581 $scaler.bind("mousedown.dlZoomDrag", dragStart); |
|
2b6d3ef57d68
fixed problem with setmark, zoomarea and zoomDrag handlers.
robcast
parents:
741
diff
changeset
|
1582 } |
| 705 | 1583 }; |
| 1584 | |
| 703 | 1585 // get image quality as a number (0..2) |
| 1586 var getQuality = function (data) { | |
| 1587 var flags = data.scalerFlags; | |
| 1588 var q = flags.q2 || flags.q1 || 'q0'; // assume q0 as default | |
| 1589 return parseInt(q[1], 10); | |
| 706 | 1590 }; |
| 703 | 1591 |
| 1592 // set image quality as a number (0..2) | |
| 1593 var setQuality = function (data, qual) { | |
| 1594 var flags = data.scalerFlags; | |
| 1595 // clear flags | |
| 1596 for (var i = 0; i < 3; ++i) { | |
| 1597 delete flags['q'+i]; | |
|
713
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
robcast
parents:
711
diff
changeset
|
1598 } |
| 703 | 1599 flags['q'+qual] = 'q'+qual; |
| 706 | 1600 }; |
| 710 | 1601 |
|
761
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1602 // get image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1603 var getScaleMode = function (data) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1604 if (data.scalerFlags.clip != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1605 return 'pixel'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1606 } else if (data.scalerFlags.osize != null) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1607 return 'size'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1608 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1609 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1610 return 'screen'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1611 }; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
robcast
parents:
760
diff
changeset
|
1612 |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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|
1613 // set image scale mode (screen, pixel, size) |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1614 var setScaleMode = function (data, mode) { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1615 delete data.scalerFlags.fit; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1616 delete data.scalerFlags.clip; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1617 delete data.scalerFlags.osize; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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diff
changeset
|
1618 if (mode === 'pixel') { |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1619 data.scalerFlags.clip = 'clip'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1620 } else if (mode === 'size') { |
|
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added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1621 data.scalerFlags.osize = 'osize'; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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parents:
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changeset
|
1622 } |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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diff
changeset
|
1623 // mo=fit is default |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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parents:
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diff
changeset
|
1624 }; |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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diff
changeset
|
1625 |
|
16778bd2de7c
added setScaleMode. no compensation for change in scaling yet.
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changeset
|
1626 // sets a key to a value (relative values with +/- if relative=true) |
| 650 | 1627 var setNumValue = function(settings, key, value) { |
| 716 | 1628 if (value == null) return null; |
|
713
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more cosmetics: added options to validate with http://www.jslint.com
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changeset
|
1629 if (isNumber(value)) { |
|
c1fa722c570e
more cosmetics: added options to validate with http://www.jslint.com
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|
1630 settings[key] = value; |
|
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|
1631 return value; |
|
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|
1632 } |
|
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|
1633 var sign = value[0]; |
| 650 | 1634 if (sign === '+' || sign === '-') { |
| 1635 if (settings[key] == null) { | |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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diff
changeset
|
1636 // this isn't perfect but still... |
| 650 | 1637 settings[key] = 0; |
|
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|
1638 } |
| 650 | 1639 settings[key] = parseFloat(settings[key]) + parseFloat(value); |
| 1640 } else { | |
| 1641 settings[key] = value; | |
|
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|
1642 } |
| 650 | 1643 return settings[key]; |
| 1644 }; | |
| 655 | 1645 |
| 1646 // auxiliary function (from old dllib.js) | |
|
732
55f2dd197ca9
really renamed birdMoveArea, really merged fix for no zoom area.
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parents:
731
diff
changeset
|
1647 var isFullArea = function(area) { |
| 659 | 1648 return (area.width === 1.0) && (area.height === 1.0); |
| 655 | 1649 }; |
| 1650 | |
| 641 | 1651 // auxiliary function (from Douglas Crockford, A.10) |
| 1652 var isNumber = function isNumber(value) { | |
| 710 | 1653 return typeof value === 'number' && isFinite(value); |
| 641 | 1654 }; |
| 655 | 1655 |
| 631 | 1656 // auxiliary function to crop senseless precision |
| 1657 var cropFloat = function (x) { | |
| 637 | 1658 return parseInt(10000 * x, 10) / 10000; |
| 631 | 1659 }; |
| 655 | 1660 |
| 692 | 1661 // fallback for console.log calls |
| 1662 if (customConsole) { | |
| 1663 var logFunction = function(type) { | |
| 1664 return function(){ | |
| 1665 var $debug = $('#debug'); // debug div | |
| 1666 if (!$debug) return; | |
| 1667 var args = Array.prototype.slice.call(arguments); | |
| 1668 var argtext = args.join(' '); | |
| 1669 var $logDiv = $('<div/>'); | |
| 1670 $logDiv.addClass(type); | |
| 1671 $logDiv.text(argtext); | |
| 1672 $debug.append($logDiv); | |
| 1673 }; | |
| 1674 }; | |
| 1675 console.log = logFunction('_log'); | |
| 1676 console.debug = logFunction('_debug'); | |
| 1677 console.error = logFunction('_error'); | |
|
713
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|
1678 } |
| 692 | 1679 |
| 605 | 1680 // hook plugin into jquery |
|
760
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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parents:
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diff
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|
1681 $.fn.digilib = function(action, obj) { |
|
f0be4432f515
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diff
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|
1682 // plugin extension mechanism |
|
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|
1683 if (action === 'extendPlugin') { |
|
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|
1684 // for each digilib $elem extend data.settings with obj.options |
|
f0be4432f515
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diff
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|
1685 if (obj.options) { |
|
f0be4432f515
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diff
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|
1686 this.each(function() { |
|
f0be4432f515
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diff
changeset
|
1687 var $elem = $(this); |
|
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diff
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|
1688 // console.debug('extending:', $elem); |
|
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diff
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|
1689 var data = $elem.data('digilib'); |
|
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diff
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|
1690 if (!data) { |
|
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diff
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|
1691 return console.log('cannot extend digilib plugin, element not initialised!'); |
|
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diff
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|
1692 } |
|
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diff
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|
1693 var settings = data.settings; |
|
f0be4432f515
primitive plugin extension mechanism - unsure how useful this is
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diff
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|
1694 $.extend(settings, obj.options); |
|
f0be4432f515
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diff
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|
1695 // console.log('settings:', settings); |
|
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diff
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|
1696 }); |
|
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diff
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|
1697 } |
|
f0be4432f515
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diff
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|
1698 delete(obj.options); |
|
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diff
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|
1699 // extend the plugin actions (to make this useful, |
|
f0be4432f515
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diff
changeset
|
1700 // maybe we need to expose some more internal functions) |
|
f0be4432f515
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diff
changeset
|
1701 $.extend(actions, obj); |
|
f0be4432f515
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diff
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|
1702 } else if (actions[action]) { |
|
651
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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650
diff
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|
1703 // call action on this with the remaining arguments (inserting data as first argument) |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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650
diff
changeset
|
1704 var $elem = $(this); |
|
694bdb86cbad
renamed 'actions' to 'buttons' and 'methods' to 'actions'
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diff
changeset
|
1705 var data = $elem.data('digilib'); |
|
694bdb86cbad
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650
diff
changeset
|
1706 var args = Array.prototype.slice.call(arguments, 1); |
|
694bdb86cbad
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650
diff
changeset
|
1707 args.unshift(data); |
|
694bdb86cbad
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650
diff
changeset
|
1708 return actions[action].apply(this, args); |
|
694bdb86cbad
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robcast
parents:
650
diff
changeset
|
1709 } else if (typeof(action) === 'object' || !action) { |
| 634 | 1710 // call init on this |
|
651
694bdb86cbad
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parents:
650
diff
changeset
|
1711 return actions.init.apply(this, arguments); |
| 605 | 1712 } else { |
|
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diff
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|
1713 $.error('action ' + action + ' does not exist on jQuery.digilib'); |
|
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diff
changeset
|
1714 } |
| 605 | 1715 }; |
| 692 | 1716 |
| 604 | 1717 })(jQuery); |