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How to use resize method in lisa
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interface.js
Source:interface.js 
1jQuery.iUtil = {2 getPosition : function(e)3 {4 var x = 0;5 var y = 0;6 var es = e.style;7 var restoreStyles = false;8 if (jQuery(e).css('display') == 'none') {9 var oldVisibility = es.visibility;10 var oldPosition = es.position;11 restoreStyles = true;12 es.visibility = 'hidden';13 es.display = 'block';14 es.position = 'absolute';15 }16 var el = e;17 while (el){18 x += el.offsetLeft + (el.currentStyle && !jQuery.browser.opera ?parseInt(el.currentStyle.borderLeftWidth)||0:0);19 y += el.offsetTop + (el.currentStyle && !jQuery.browser.opera ?parseInt(el.currentStyle.borderTopWidth)||0:0);20 el = el.offsetParent;21 }22 el = e;23 while (el && el.tagName && el.tagName.toLowerCase() != 'body')24 {25 x -= el.scrollLeft||0;26 y -= el.scrollTop||0;27 el = el.parentNode;28 }29 if (restoreStyles == true) {30 es.display = 'none';31 es.position = oldPosition;32 es.visibility = oldVisibility;33 }34 return {x:x, y:y};35 },36 getPositionLite : function(el)37 {38 var x = 0, y = 0;39 while(el) {40 x += el.offsetLeft || 0;41 y += el.offsetTop || 0;42 el = el.offsetParent;43 }44 return {x:x, y:y};45 },46 getSize : function(e)47 {48 var w = jQuery.css(e,'width');49 var h = jQuery.css(e,'height');50 var wb = 0;51 var hb = 0;52 var es = e.style;53 if (jQuery(e).css('display') != 'none') {54 wb = e.offsetWidth;55 hb = e.offsetHeight;56 } else {57 var oldVisibility = es.visibility;58 var oldPosition = es.position;59 es.visibility = 'hidden';60 es.display = 'block';61 es.position = 'absolute';62 wb = e.offsetWidth;63 hb = e.offsetHeight;64 es.display = 'none';65 es.position = oldPosition;66 es.visibility = oldVisibility;67 }68 return {w:w, h:h, wb:wb, hb:hb};69 },70 getSizeLite : function(el)71 {72 return {73 wb:el.offsetWidth||0,74 hb:el.offsetHeight||075 };76 },77 getClient : function(e)78 {79 var h, w, de;80 if (e) {81 w = e.clientWidth;82 h = e.clientHeight;83 } else {84 de = document.documentElement;85 w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;86 h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;87 }88 return {w:w,h:h};89 },90 getScroll : function (e)91 {92 var t=0, l=0, w=0, h=0, iw=0, ih=0;93 if (e && e.nodeName.toLowerCase() != 'body') {94 t = e.scrollTop;95 l = e.scrollLeft;96 w = e.scrollWidth;97 h = e.scrollHeight;98 iw = 0;99 ih = 0;100 } else {101 if (document.documentElement) {102 t = document.documentElement.scrollTop;103 l = document.documentElement.scrollLeft;104 w = document.documentElement.scrollWidth;105 h = document.documentElement.scrollHeight;106 } else if (document.body) {107 t = document.body.scrollTop;108 l = document.body.scrollLeft;109 w = document.body.scrollWidth;110 h = document.body.scrollHeight;111 }112 iw = self.innerWidth||document.documentElement.clientWidth||document.body.clientWidth||0;113 ih = self.innerHeight||document.documentElement.clientHeight||document.body.clientHeight||0;114 }115 return { t: t, l: l, w: w, h: h, iw: iw, ih: ih };116 },117 getMargins : function(e, toInteger)118 {119 var el = jQuery(e);120 var t = el.css('marginTop') || '';121 var r = el.css('marginRight') || '';122 var b = el.css('marginBottom') || '';123 var l = el.css('marginLeft') || '';124 if (toInteger)125 return {126 t: parseInt(t)||0,127 r: parseInt(r)||0,128 b: parseInt(b)||0,129 l: parseInt(l)130 };131 else132 return {t: t, r: r, b: b, l: l};133 },134 getPadding : function(e, toInteger)135 {136 var el = jQuery(e);137 var t = el.css('paddingTop') || '';138 var r = el.css('paddingRight') || '';139 var b = el.css('paddingBottom') || '';140 var l = el.css('paddingLeft') || '';141 if (toInteger)142 return {143 t: parseInt(t)||0,144 r: parseInt(r)||0,145 b: parseInt(b)||0,146 l: parseInt(l)147 };148 else149 return {t: t, r: r, b: b, l: l};150 },151 getBorder : function(e, toInteger)152 {153 var el = jQuery(e);154 var t = el.css('borderTopWidth') || '';155 var r = el.css('borderRightWidth') || '';156 var b = el.css('borderBottomWidth') || '';157 var l = el.css('borderLeftWidth') || '';158 if (toInteger)159 return {160 t: parseInt(t)||0,161 r: parseInt(r)||0,162 b: parseInt(b)||0,163 l: parseInt(l)||0164 };165 else166 return {t: t, r: r, b: b, l: l};167 },168 getPointer : function(event)169 {170 var x = event.pageX || (event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft)) || 0;171 var y = event.pageY || (event.clientY + (document.documentElement.scrollTop || document.body.scrollTop)) || 0;172 return {x:x, y:y};173 },174 traverseDOM : function(nodeEl, func)175 {176 func(nodeEl);177 nodeEl = nodeEl.firstChild;178 while(nodeEl){179 jQuery.iUtil.traverseDOM(nodeEl, func);180 nodeEl = nodeEl.nextSibling;181 }182 },183 purgeEvents : function(nodeEl)184 {185 jQuery.iUtil.traverseDOM(186 nodeEl,187 function(el)188 {189 for(var attr in el){190 if(typeof el[attr] === 'function') {191 el[attr] = null;192 }193 }194 }195 );196 },197 centerEl : function(el, axis)198 {199 var clientScroll = jQuery.iUtil.getScroll();200 var windowSize = jQuery.iUtil.getSize(el);201 if (!axis || axis == 'vertically')202 jQuery(el).css(203 {204 top: clientScroll.t + ((Math.max(clientScroll.h,clientScroll.ih) - clientScroll.t - windowSize.hb)/2) + 'px'205 }206 );207 if (!axis || axis == 'horizontally')208 jQuery(el).css(209 {210 left: clientScroll.l + ((Math.max(clientScroll.w,clientScroll.iw) - clientScroll.l - windowSize.wb)/2) + 'px'211 }212 );213 },214 fixPNG : function (el, emptyGIF) {215 var images = jQuery('img[@src*="png"]', el||document), png;216 images.each( function() {217 png = this.src; 218 this.src = emptyGIF;219 this.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + png + "')";220 });221 }222};223// Helper function to support older browsers!224[].indexOf || (Array.prototype.indexOf = function(v, n){225 n = (n == null) ? 0 : n;226 var m = this.length;227 for (var i=n; i<m; i++)228 if (this[i] == v)229 return i;230 return -1;231});232//iresizable show below233/**234 * Interface Elements for jQuery235 * Resizable236 *237 * http://interface.eyecon.ro238 *239 * Copyright (c) 2006 Stefan Petre240 * Dual licensed under the MIT (MIT-LICENSE.txt)241 * and GPL (GPL-LICENSE.txt) licenses.242 *243 *244 */245jQuery.iResize = {246 resizeElement: null,247 resizeDirection: null,248 dragged: null,249 pointer: null,250 sizes: null,251 position: null,252 /**253 * internal: Start function254 */255 startDrag: function(e) {256 jQuery.iResize.dragged = (this.dragEl) ? this.dragEl: this;257 jQuery.iResize.pointer = jQuery.iUtil.getPointer(e);258 // Save original size259 jQuery.iResize.sizes = {260 width: parseInt(jQuery(jQuery.iResize.dragged).css('width')) || 0,261 height: parseInt(jQuery(jQuery.iResize.dragged).css('height')) || 0262 };263 // Save original position264 jQuery.iResize.position = {265 top: parseInt(jQuery(jQuery.iResize.dragged).css('top')) || 0,266 left: parseInt(jQuery(jQuery.iResize.dragged).css('left')) || 0267 };268 // Assign event handlers269 jQuery(document)270 .bind('mousemove', jQuery.iResize.moveDrag)271 .bind('mouseup', jQuery.iResize.stopDrag);272 // Callback?273 if (typeof jQuery.iResize.dragged.resizeOptions.onDragStart === 'function') {274 jQuery.iResize.dragged.resizeOptions.onDragStart.apply(jQuery.iResize.dragged);275 }276 return false;277 },278 /**279 * internal: Stop function280 */281 stopDrag: function(e) {282 // Unbind event handlers283 jQuery(document)284 .unbind('mousemove', jQuery.iResize.moveDrag)285 .unbind('mouseup', jQuery.iResize.stopDrag);286 // Callback?287 if (typeof jQuery.iResize.dragged.resizeOptions.onDragStop === 'function') {288 jQuery.iResize.dragged.resizeOptions.onDragStop.apply(jQuery.iResize.dragged);289 }290 // Remove dragged element291 jQuery.iResize.dragged = null;292 },293 /**294 * internal: Move function295 */296 moveDrag: function(e) {297 if (!jQuery.iResize.dragged) {298 return;299 }300 pointer = jQuery.iUtil.getPointer(e);301 // Calculate new positions302 newTop = jQuery.iResize.position.top - jQuery.iResize.pointer.y + pointer.y;303 newLeft = jQuery.iResize.position.left - jQuery.iResize.pointer.x + pointer.x;304 newTop = Math.max(305 Math.min(newTop, jQuery.iResize.dragged.resizeOptions.maxBottom - jQuery.iResize.sizes.height),306 jQuery.iResize.dragged.resizeOptions.minTop307 );308 newLeft = Math.max(309 Math.min(newLeft, jQuery.iResize.dragged.resizeOptions.maxRight- jQuery.iResize.sizes.width),310 jQuery.iResize.dragged.resizeOptions.minLeft311 );312 // Callback313 if (typeof jQuery.iResize.dragged.resizeOptions.onDrag === 'function') {314 var newPos = jQuery.iResize.dragged.resizeOptions.onDrag.apply(jQuery.iResize.dragged, [newLeft, newTop]);315 if (typeof newPos == 'array' && newPos.length == 2) {316 newLeft = newPos[0];317 newTop = newPos[1];318 }319 }320 // Update the element321 jQuery.iResize.dragged.style.top = newTop + 'px';322 jQuery.iResize.dragged.style.left = newLeft + 'px';323 return false;324 },325 start: function(e) {326 // Bind event handlers327 jQuery(document)328 .bind('mousemove', jQuery.iResize.move)329 .bind('mouseup', jQuery.iResize.stop);330 // Initialize resizable331 jQuery.iResize.resizeElement = this.resizeElement;332 jQuery.iResize.resizeDirection = this.resizeDirection;333 jQuery.iResize.pointer = jQuery.iUtil.getPointer(e);334 jQuery.iResize.sizes = {335 width: parseInt(jQuery(this.resizeElement).css('width'))||0,336 height: parseInt(jQuery(this.resizeElement).css('height'))||0337 };338 jQuery.iResize.position = {339 top: parseInt(jQuery(this.resizeElement).css('top'))||0,340 left: parseInt(jQuery(this.resizeElement).css('left'))||0341 };342 // Callback function343 if (jQuery.iResize.resizeElement.resizeOptions.onStart) {344 jQuery.iResize.resizeElement.resizeOptions.onStart.apply(jQuery.iResize.resizeElement, [this]);345 }346 return false;347 },348 stop: function() {349 // Unbind event handlers350 jQuery(document)351 .unbind('mousemove', jQuery.iResize.move)352 .unbind('mouseup', jQuery.iResize.stop);353 // Callback function354 if (jQuery.iResize.resizeElement.resizeOptions.onStop) {355 jQuery.iResize.resizeElement.resizeOptions.onStop.apply(jQuery.iResize.resizeElement, [jQuery.iResize.resizeDirection]);356 }357 // Unbind358 jQuery.iResize.resizeElement = null;359 jQuery.iResize.resizeDirection = null;360 },361 getWidth: function(dx, side) {362 return Math.min(363 Math.max(jQuery.iResize.sizes.width + dx * side, jQuery.iResize.resizeElement.resizeOptions.minWidth),364 jQuery.iResize.resizeElement.resizeOptions.maxWidth365 );366 },367 getHeight: function(dy, side) {368 return Math.min(369 Math.max(jQuery.iResize.sizes.height + dy * side, jQuery.iResize.resizeElement.resizeOptions.minHeight),370 jQuery.iResize.resizeElement.resizeOptions.maxHeight371 );372 },373 getHeightMinMax: function(height) {374 return Math.min(375 Math.max(height, jQuery.iResize.resizeElement.resizeOptions.minHeight),376 jQuery.iResize.resizeElement.resizeOptions.maxHeight377 );378 },379 380 /**381 * setting and getting the ratio value382 * defined by Logan Cai cailongqun [at] yahoo [dot] com [dot] cn383 */384 ResizeRatio: function(value)385 {386 var ratio;387 this.each(388 function() {389 var el = this;390 if(typeof(value) == 'integer')391 {//setting new ratio392 el.resizeOptions.ratio = value; 393 }else394 {//getting the ratio395 if(el.resizeOptions.ratio)396 {397 ratio = el.resizeOptions.ratio;398 }else399 {400 var width = parseInt(jQuery(el).css('width')) || 0;401 var height = parseInt(jQuery(el).css('height'))|| 0; 402 if(width > 0 && height > 0)403 {404 ratio = (Math.round(height/width * 10000)/10000);405 }else406 {407 ratio = null;408 }409 }410 }411 }412 413 );414 return ratio; 415 416 }, 417 /**418 * setting and getting the ratio value419 * defined by Logan Cai cailongqun [at] yahoo [dot] com [dot] cn420 */421 ResizeConstraint: function(OnOrOff)422 {423 var ratio;424 425 this.each(426 function()427 {428 var el = this;429 if(typeof(OnOrOff) != 'boolean' || !OnOrOff)430 {//turn off resize constraint431 el.resizeOptions.ratio = null;432 }else433 {//turn on the resize constraint and set the ratio calculated from current image width & height434 var width = parseInt(jQuery(el).css('width')) || 0;435 var height = parseInt(jQuery(el).css('height'))|| 0; 436 if(width > 0 && height > 0)437 {438 el.resizeOptions.ratio = (Math.round(height/width * 10000)/10000);439 }else440 {441 el.resizeOptions.ratio = null;442 }443 }444 }445 446 );447 448 }, 449 450 move: function(e) {451 if (jQuery.iResize.resizeElement == null) {452 return;453 }454 pointer = jQuery.iUtil.getPointer(e);455 dx = pointer.x - jQuery.iResize.pointer.x;456 dy = pointer.y - jQuery.iResize.pointer.y;457 newSizes = {458 width: jQuery.iResize.sizes.width,459 height: jQuery.iResize.sizes.height460 };461 newPosition = {462 top: jQuery.iResize.position.top,463 left: jQuery.iResize.position.left464 };465 switch (jQuery.iResize.resizeDirection){466 case 'e':467 newSizes.width = jQuery.iResize.getWidth(dx,1);468 break;469 case 'se':470 newSizes.width = jQuery.iResize.getWidth(dx,1);471 newSizes.height = jQuery.iResize.getHeight(dy,1);472 break;473 case 'w':474 newSizes.width = jQuery.iResize.getWidth(dx,-1);475 newPosition.left = jQuery.iResize.position.left - newSizes.width + jQuery.iResize.sizes.width;476 break;477 case 'sw':478 newSizes.width = jQuery.iResize.getWidth(dx,-1);479 newPosition.left = jQuery.iResize.position.left - newSizes.width + jQuery.iResize.sizes.width;480 newSizes.height = jQuery.iResize.getHeight(dy,1);481 break;482 case 'nw':483 newSizes.height = jQuery.iResize.getHeight(dy,-1);484 newPosition.top = jQuery.iResize.position.top - newSizes.height + jQuery.iResize.sizes.height;485 newSizes.width = jQuery.iResize.getWidth(dx,-1);486 newPosition.left = jQuery.iResize.position.left - newSizes.width + jQuery.iResize.sizes.width;487 break;488 case 'n':489 newSizes.height = jQuery.iResize.getHeight(dy,-1);490 newPosition.top = jQuery.iResize.position.top - newSizes.height + jQuery.iResize.sizes.height;491 break;492 case 'ne':493 newSizes.height = jQuery.iResize.getHeight(dy,-1);494 newPosition.top = jQuery.iResize.position.top - newSizes.height + jQuery.iResize.sizes.height;495 newSizes.width = jQuery.iResize.getWidth(dx,1);496 break;497 case 's':498 newSizes.height = jQuery.iResize.getHeight(dy,1);499 break;500 }501 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {502 if (jQuery.iResize.resizeDirection == 'n' || jQuery.iResize.resizeDirection == 's')503 nWidth = newSizes.height * jQuery.iResize.resizeElement.resizeOptions.ratio;504 else505 nWidth = newSizes.width;506 nHeight = jQuery.iResize.getHeightMinMax(nWidth * jQuery.iResize.resizeElement.resizeOptions.ratio);507 nWidth = nHeight / jQuery.iResize.resizeElement.resizeOptions.ratio;508 switch (jQuery.iResize.resizeDirection){509 case 'n':510 case 'nw':511 case 'ne':512 newPosition.top += newSizes.height - nHeight;513 break;514 }515 switch (jQuery.iResize.resizeDirection){516 case 'nw':517 case 'w':518 case 'sw':519 newPosition.left += newSizes.width - nWidth;520 break;521 }522 newSizes.height = nHeight;523 newSizes.width = nWidth;524 }525 if (newPosition.top < jQuery.iResize.resizeElement.resizeOptions.minTop) {526 nHeight = newSizes.height + newPosition.top - jQuery.iResize.resizeElement.resizeOptions.minTop;527 newPosition.top = jQuery.iResize.resizeElement.resizeOptions.minTop;528 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {529 nWidth = nHeight / jQuery.iResize.resizeElement.resizeOptions.ratio;530 switch (jQuery.iResize.resizeDirection){531 case 'nw':532 case 'w':533 case 'sw':534 newPosition.left += newSizes.width - nWidth;535 break;536 }537 newSizes.width = nWidth;538 }539 newSizes.height = nHeight;540 }541 if (newPosition.left < jQuery.iResize.resizeElement.resizeOptions.minLeft ) {542 nWidth = newSizes.width + newPosition.left - jQuery.iResize.resizeElement.resizeOptions.minLeft;543 newPosition.left = jQuery.iResize.resizeElement.resizeOptions.minLeft;544 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {545 nHeight = nWidth * jQuery.iResize.resizeElement.resizeOptions.ratio;546 switch (jQuery.iResize.resizeDirection){547 case 'n':548 case 'nw':549 case 'ne':550 newPosition.top += newSizes.height - nHeight;551 break;552 }553 newSizes.height = nHeight;554 }555 newSizes.width = nWidth;556 }557 if (newPosition.top + newSizes.height > jQuery.iResize.resizeElement.resizeOptions.maxBottom) {558 newSizes.height = jQuery.iResize.resizeElement.resizeOptions.maxBottom - newPosition.top;559 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {560 newSizes.width = newSizes.height / jQuery.iResize.resizeElement.resizeOptions.ratio;561 }562 }563 if (newPosition.left + newSizes.width > jQuery.iResize.resizeElement.resizeOptions.maxRight) {564 newSizes.width = jQuery.iResize.resizeElement.resizeOptions.maxRight - newPosition.left;565 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {566 newSizes.height = newSizes.width * jQuery.iResize.resizeElement.resizeOptions.ratio;567 }568 }569 var newDimensions = false;570 if (jQuery.iResize.resizeElement.resizeOptions.onResize) {571 newDimensions = jQuery.iResize.resizeElement.resizeOptions.onResize.apply( jQuery.iResize.resizeElement, [ newSizes, newPosition ] );572 if (newDimensions) {573 if (newDimensions.sizes) {574 jQuery.extend(newSizes, newDimensions.sizes);575 }576 if (newDimensions.position) {577 jQuery.extend(newPosition, newDimensions.position);578 }579 }580 }581 elS = jQuery.iResize.resizeElement.style;582 elS.left = newPosition.left + 'px';583 elS.top = newPosition.top + 'px';584 elS.width = newSizes.width + 'px';585 elS.height = newSizes.height + 'px';586 return false;587 },588 /**589 * Builds the resizable590 */591 build: function(options) {592 if (!options || !options.handlers || options.handlers.constructor != Object) {593 return;594 }595 return this.each(596 function() {597 var el = this;598 el.resizeOptions = options;599 el.resizeOptions.minWidth = options.minWidth || 10;600 el.resizeOptions.minHeight = options.minHeight || 10;601 el.resizeOptions.maxWidth = options.maxWidth || 3000;602 el.resizeOptions.maxHeight = options.maxHeight || 3000;603 el.resizeOptions.minTop = options.minTop || -1000;604 el.resizeOptions.minLeft = options.minLeft || -1000;605 el.resizeOptions.maxRight = options.maxRight || 3000;606 el.resizeOptions.maxBottom = options.maxBottom || 3000;607 elPosition = jQuery(el).css('position');608 if (!(elPosition == 'relative' || elPosition == 'absolute')) {609 el.style.position = 'relative';610 }611 directions = /n|ne|e|se|s|sw|w|nw/g;612 for (i in el.resizeOptions.handlers) {613 if (i.toLowerCase().match(directions) != null) {614 if (el.resizeOptions.handlers[i].constructor == String) {615 handle = jQuery(el.resizeOptions.handlers[i]);616 if (handle.size() > 0) {617 el.resizeOptions.handlers[i] = handle.get(0);618 }619 }620 if (el.resizeOptions.handlers[i].tagName) {621 el.resizeOptions.handlers[i].resizeElement = el;622 el.resizeOptions.handlers[i].resizeDirection = i;623 jQuery(el.resizeOptions.handlers[i]).bind('mousedown', jQuery.iResize.start);624 }625 }626 }627 if (el.resizeOptions.dragHandle) {628 if (typeof el.resizeOptions.dragHandle === 'string') {629 handleEl = jQuery(el.resizeOptions.dragHandle);630 if (handleEl.size() > 0) {631 handleEl.each(function() {632 this.dragEl = el;633 });634 handleEl.bind('mousedown', jQuery.iResize.startDrag);635 }636 } else if (el.resizeOptions.dragHandle == true) {637 jQuery(this).bind('mousedown', jQuery.iResize.startDrag);638 }639 }640 }641 );642 },643 /**644 * Destroys the resizable645 */646 destroy: function() {647 return this.each(648 function() {649 var el = this;650 // Unbind the handlers651 for (i in el.resizeOptions.handlers) {652 el.resizeOptions.handlers[i].resizeElement = null;653 el.resizeOptions.handlers[i].resizeDirection = null;654 jQuery(el.resizeOptions.handlers[i]).unbind('mousedown', jQuery.iResize.start);655 }656 // Remove the draghandle657 if (el.resizeOptions.dragHandle) {658 if (typeof el.resizeOptions.dragHandle === 'string') {659 handle = jQuery(el.resizeOptions.dragHandle);660 if (handle.size() > 0) {661 handle.unbind('mousedown', jQuery.iResize.startDrag);662 }663 } else if (el.resizeOptions.dragHandle == true) {664 jQuery(this).unbind('mousedown', jQuery.iResize.startDrag);665 }666 }667 // Reset the options668 el.resizeOptions = null;669 }670 );671 }672};673jQuery.fn.extend ({674 /**675 * Create a resizable element with a number of advanced options including callback, dragging676 * 677 * @name Resizable678 * @description Create a resizable element with a number of advanced options including callback, dragging679 * @param Hash hash A hash of parameters. All parameters are optional.680 * @option Hash handlers hash with keys for each resize direction (e, es, s, sw, w, nw, n) and value string selection681 * @option Integer minWidth (optional) the minimum width that element can be resized to682 * @option Integer maxWidth (optional) the maximum width that element can be resized to683 * @option Integer minHeight (optional) the minimum height that element can be resized to684 * @option Integer maxHeight (optional) the maximum height that element can be resized to685 * @option Integer minTop (optional) the minmum top position to wich element can be moved to686 * @option Integer minLeft (optional) the minmum left position to wich element can be moved to687 * @option Integer maxRight (optional) the maximum right position to wich element can be moved to688 * @option Integer maxBottom (optional) the maximum bottom position to wich element can be moved to689 * @option Float ratio (optional) the ratio between width and height to constrain elements sizes to that ratio690 * @option Mixed dragHandle (optional) true to make the element draggable, string selection for drag handle691 * @option Function onDragStart (optional) A function to be executed whenever the dragging starts692 * @option Function onDragStop (optional) A function to be executed whenever the dragging stops693 * @option Function onDrag (optional) A function to be executed whenever the element is dragged694 * @option Function onStart (optional) A function to be executed whenever the element starts to be resized695 * @option Function onStop (optional) A function to be executed whenever the element stops to be resized696 * @option Function onResize (optional) A function to be executed whenever the element is resized697 * @type jQuery698 * @cat Plugins/Interface699 * @author Stefan Petre700 */701 Resizable: jQuery.iResize.build,702 ResizableRatio: jQuery.iResize.ResizeRatio,703 ResizeConstraint: jQuery.iResize.ResizeConstraint,704 /**705 * Destroy a resizable706 * 707 * @name ResizableDestroy708 * @description Destroy a resizable709 * @type jQuery710 * @cat Plugins/Interface711 * @author Stefan Petre712 */713 ResizableDestroy: jQuery.iResize.destroy...
iresizable.js
Source:iresizable.js
1/**2 * Interface Elements for jQuery3 * Resizable4 *5 * http://interface.eyecon.ro6 *7 * Copyright (c) 2006 Stefan Petre8 * Dual licensed under the MIT (MIT-LICENSE.txt)9 * and GPL (GPL-LICENSE.txt) licenses.10 *11 *12 */13jQuery.iResize = {14 resizeElement: null,15 resizeDirection: null,16 dragged: null,17 pointer: null,18 sizes: null,19 position: null,20 /**21 * internal: Start function22 */23 startDrag: function(e) {24 jQuery.iResize.dragged = (this.dragEl) ? this.dragEl: this;25 jQuery.iResize.pointer = jQuery.iUtil.getPointer(e);26 // Save original size27 jQuery.iResize.sizes = {28 width: parseInt(jQuery(jQuery.iResize.dragged).css('width')) || 0,29 height: parseInt(jQuery(jQuery.iResize.dragged).css('height')) || 030 };31 // Save original position32 jQuery.iResize.position = {33 top: parseInt(jQuery(jQuery.iResize.dragged).css('top')) || 0,34 left: parseInt(jQuery(jQuery.iResize.dragged).css('left')) || 035 };36 // Assign event handlers37 jQuery(document)38 .bind('mousemove', jQuery.iResize.moveDrag)39 .bind('mouseup', jQuery.iResize.stopDrag);40 // Callback?41 if (typeof jQuery.iResize.dragged.resizeOptions.onDragStart === 'function') {42 jQuery.iResize.dragged.resizeOptions.onDragStart.apply(jQuery.iResize.dragged);43 }44 return false;45 },46 /**47 * internal: Stop function48 */49 stopDrag: function(e) {50 // Unbind event handlers51 jQuery(document)52 .unbind('mousemove', jQuery.iResize.moveDrag)53 .unbind('mouseup', jQuery.iResize.stopDrag);54 // Callback?55 if (typeof jQuery.iResize.dragged.resizeOptions.onDragStop === 'function') {56 jQuery.iResize.dragged.resizeOptions.onDragStop.apply(jQuery.iResize.dragged);57 }58 // Remove dragged element59 jQuery.iResize.dragged = null;60 },61 /**62 * internal: Move function63 */64 moveDrag: function(e) {65 if (!jQuery.iResize.dragged) {66 return;67 }68 pointer = jQuery.iUtil.getPointer(e);69 // Calculate new positions70 newTop = jQuery.iResize.position.top - jQuery.iResize.pointer.y + pointer.y;71 newLeft = jQuery.iResize.position.left - jQuery.iResize.pointer.x + pointer.x;72 newTop = Math.max(73 Math.min(newTop, jQuery.iResize.dragged.resizeOptions.maxBottom - jQuery.iResize.sizes.height),74 jQuery.iResize.dragged.resizeOptions.minTop75 );76 newLeft = Math.max(77 Math.min(newLeft, jQuery.iResize.dragged.resizeOptions.maxRight- jQuery.iResize.sizes.width),78 jQuery.iResize.dragged.resizeOptions.minLeft79 );80 // Callback81 if (typeof jQuery.iResize.dragged.resizeOptions.onDrag === 'function') {82 var newPos = jQuery.iResize.dragged.resizeOptions.onDrag.apply(jQuery.iResize.dragged, [newLeft, newTop]);83 if (typeof newPos == 'array' && newPos.length == 2) {84 newLeft = newPos[0];85 newTop = newPos[1];86 }87 }88 // Update the element89 jQuery.iResize.dragged.style.top = newTop + 'px';90 jQuery.iResize.dragged.style.left = newLeft + 'px';91 return false;92 },93 start: function(e) {94 // Bind event handlers95 jQuery(document)96 .bind('mousemove', jQuery.iResize.move)97 .bind('mouseup', jQuery.iResize.stop);98 // Initialize resizable99 jQuery.iResize.resizeElement = this.resizeElement;100 jQuery.iResize.resizeDirection = this.resizeDirection;101 jQuery.iResize.pointer = jQuery.iUtil.getPointer(e);102 jQuery.iResize.sizes = {103 width: parseInt(jQuery(this.resizeElement).css('width'))||0,104 height: parseInt(jQuery(this.resizeElement).css('height'))||0105 };106 jQuery.iResize.position = {107 top: parseInt(jQuery(this.resizeElement).css('top'))||0,108 left: parseInt(jQuery(this.resizeElement).css('left'))||0109 };110 // Callback function111 if (jQuery.iResize.resizeElement.resizeOptions.onStart) {112 jQuery.iResize.resizeElement.resizeOptions.onStart.apply(jQuery.iResize.resizeElement, [this]);113 }114 return false;115 },116 stop: function() {117 // Unbind event handlers118 jQuery(document)119 .unbind('mousemove', jQuery.iResize.move)120 .unbind('mouseup', jQuery.iResize.stop);121 // Callback function122 if (jQuery.iResize.resizeElement.resizeOptions.onStop) {123 jQuery.iResize.resizeElement.resizeOptions.onStop.apply(jQuery.iResize.resizeElement, [jQuery.iResize.resizeDirection]);124 }125 // Unbind126 jQuery.iResize.resizeElement = null;127 jQuery.iResize.resizeDirection = null;128 },129 getWidth: function(dx, side) {130 return Math.min(131 Math.max(jQuery.iResize.sizes.width + dx * side, jQuery.iResize.resizeElement.resizeOptions.minWidth),132 jQuery.iResize.resizeElement.resizeOptions.maxWidth133 );134 },135 getHeight: function(dy, side) {136 return Math.min(137 Math.max(jQuery.iResize.sizes.height + dy * side, jQuery.iResize.resizeElement.resizeOptions.minHeight),138 jQuery.iResize.resizeElement.resizeOptions.maxHeight139 );140 },141 getHeightMinMax: function(height) {142 return Math.min(143 Math.max(height, jQuery.iResize.resizeElement.resizeOptions.minHeight),144 jQuery.iResize.resizeElement.resizeOptions.maxHeight145 );146 },147 148 /**149 * setting and getting the ratio value150 * defined by Logan Cai cailongqun [at] yahoo [dot] com [dot] cn151 */152 ResizeRatio: function(value)153 {154 var ratio;155 this.each(156 function() {157 var el = this;158 if(typeof(value) == 'integer')159 {//setting new ratio160 el.resizeOptions.ratio = value; 161 }else162 {//getting the ratio163 if(el.resizeOptions.ratio)164 {165 ratio = el.resizeOptions.ratio;166 }else167 {168 var width = parseInt(jQuery(el).css('width')) || 0;169 var height = parseInt(jQuery(el).css('height'))|| 0; 170 if(width > 0 && height > 0)171 {172 ratio = (Math.round(height/width * 10000)/10000);173 }else174 {175 ratio = null;176 }177 }178 }179 }180 181 );182 return ratio; 183 184 }, 185 /**186 * setting and getting the ratio value187 * defined by Logan Cai cailongqun [at] yahoo [dot] com [dot] cn188 */189 ResizeConstraint: function(OnOrOff)190 {191 var ratio;192 193 this.each(194 function()195 {196 var el = this;197 if(typeof(OnOrOff) != 'boolean' || !OnOrOff)198 {//turn off resize constraint199 el.resizeOptions.ratio = null;200 }else201 {//turn on the resize constraint and set the ratio calculated from current image width & height202 var width = parseInt(jQuery(el).css('width')) || 0;203 var height = parseInt(jQuery(el).css('height'))|| 0; 204 if(width > 0 && height > 0)205 {206 el.resizeOptions.ratio = (Math.round(height/width * 10000)/10000);207 }else208 {209 el.resizeOptions.ratio = null;210 }211 }212 }213 214 );215 216 }, 217 218 move: function(e) {219 if (jQuery.iResize.resizeElement == null) {220 return;221 }222 pointer = jQuery.iUtil.getPointer(e);223 dx = pointer.x - jQuery.iResize.pointer.x;224 dy = pointer.y - jQuery.iResize.pointer.y;225 newSizes = {226 width: jQuery.iResize.sizes.width,227 height: jQuery.iResize.sizes.height228 };229 newPosition = {230 top: jQuery.iResize.position.top,231 left: jQuery.iResize.position.left232 };233 switch (jQuery.iResize.resizeDirection){234 case 'e':235 newSizes.width = jQuery.iResize.getWidth(dx,1);236 break;237 case 'se':238 newSizes.width = jQuery.iResize.getWidth(dx,1);239 newSizes.height = jQuery.iResize.getHeight(dy,1);240 break;241 case 'w':242 newSizes.width = jQuery.iResize.getWidth(dx,-1);243 newPosition.left = jQuery.iResize.position.left - newSizes.width + jQuery.iResize.sizes.width;244 break;245 case 'sw':246 newSizes.width = jQuery.iResize.getWidth(dx,-1);247 newPosition.left = jQuery.iResize.position.left - newSizes.width + jQuery.iResize.sizes.width;248 newSizes.height = jQuery.iResize.getHeight(dy,1);249 break;250 case 'nw':251 newSizes.height = jQuery.iResize.getHeight(dy,-1);252 newPosition.top = jQuery.iResize.position.top - newSizes.height + jQuery.iResize.sizes.height;253 newSizes.width = jQuery.iResize.getWidth(dx,-1);254 newPosition.left = jQuery.iResize.position.left - newSizes.width + jQuery.iResize.sizes.width;255 break;256 case 'n':257 newSizes.height = jQuery.iResize.getHeight(dy,-1);258 newPosition.top = jQuery.iResize.position.top - newSizes.height + jQuery.iResize.sizes.height;259 break;260 case 'ne':261 newSizes.height = jQuery.iResize.getHeight(dy,-1);262 newPosition.top = jQuery.iResize.position.top - newSizes.height + jQuery.iResize.sizes.height;263 newSizes.width = jQuery.iResize.getWidth(dx,1);264 break;265 case 's':266 newSizes.height = jQuery.iResize.getHeight(dy,1);267 break;268 }269 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {270 if (jQuery.iResize.resizeDirection == 'n' || jQuery.iResize.resizeDirection == 's')271 nWidth = newSizes.height * jQuery.iResize.resizeElement.resizeOptions.ratio;272 else273 nWidth = newSizes.width;274 nHeight = jQuery.iResize.getHeightMinMax(nWidth * jQuery.iResize.resizeElement.resizeOptions.ratio);275 nWidth = nHeight / jQuery.iResize.resizeElement.resizeOptions.ratio;276 switch (jQuery.iResize.resizeDirection){277 case 'n':278 case 'nw':279 case 'ne':280 newPosition.top += newSizes.height - nHeight;281 break;282 }283 switch (jQuery.iResize.resizeDirection){284 case 'nw':285 case 'w':286 case 'sw':287 newPosition.left += newSizes.width - nWidth;288 break;289 }290 newSizes.height = nHeight;291 newSizes.width = nWidth;292 }293 if (newPosition.top < jQuery.iResize.resizeElement.resizeOptions.minTop) {294 nHeight = newSizes.height + newPosition.top - jQuery.iResize.resizeElement.resizeOptions.minTop;295 newPosition.top = jQuery.iResize.resizeElement.resizeOptions.minTop;296 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {297 nWidth = nHeight / jQuery.iResize.resizeElement.resizeOptions.ratio;298 switch (jQuery.iResize.resizeDirection){299 case 'nw':300 case 'w':301 case 'sw':302 newPosition.left += newSizes.width - nWidth;303 break;304 }305 newSizes.width = nWidth;306 }307 newSizes.height = nHeight;308 }309 if (newPosition.left < jQuery.iResize.resizeElement.resizeOptions.minLeft ) {310 nWidth = newSizes.width + newPosition.left - jQuery.iResize.resizeElement.resizeOptions.minLeft;311 newPosition.left = jQuery.iResize.resizeElement.resizeOptions.minLeft;312 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {313 nHeight = nWidth * jQuery.iResize.resizeElement.resizeOptions.ratio;314 switch (jQuery.iResize.resizeDirection){315 case 'n':316 case 'nw':317 case 'ne':318 newPosition.top += newSizes.height - nHeight;319 break;320 }321 newSizes.height = nHeight;322 }323 newSizes.width = nWidth;324 }325 if (newPosition.top + newSizes.height > jQuery.iResize.resizeElement.resizeOptions.maxBottom) {326 newSizes.height = jQuery.iResize.resizeElement.resizeOptions.maxBottom - newPosition.top;327 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {328 newSizes.width = newSizes.height / jQuery.iResize.resizeElement.resizeOptions.ratio;329 }330 }331 if (newPosition.left + newSizes.width > jQuery.iResize.resizeElement.resizeOptions.maxRight) {332 newSizes.width = jQuery.iResize.resizeElement.resizeOptions.maxRight - newPosition.left;333 if (jQuery.iResize.resizeElement.resizeOptions.ratio) {334 newSizes.height = newSizes.width * jQuery.iResize.resizeElement.resizeOptions.ratio;335 }336 }337 var newDimensions = false;338 if (jQuery.iResize.resizeElement.resizeOptions.onResize) {339 newDimensions = jQuery.iResize.resizeElement.resizeOptions.onResize.apply( jQuery.iResize.resizeElement, [ newSizes, newPosition ] );340 if (newDimensions) {341 if (newDimensions.sizes) {342 jQuery.extend(newSizes, newDimensions.sizes);343 }344 if (newDimensions.position) {345 jQuery.extend(newPosition, newDimensions.position);346 }347 }348 }349 elS = jQuery.iResize.resizeElement.style;350 elS.left = newPosition.left + 'px';351 elS.top = newPosition.top + 'px';352 elS.width = newSizes.width + 'px';353 elS.height = newSizes.height + 'px';354 return false;355 },356 /**357 * Builds the resizable358 */359 build: function(options) {360 if (!options || !options.handlers || options.handlers.constructor != Object) {361 return;362 }363 return this.each(364 function() {365 var el = this;366 el.resizeOptions = options;367 el.resizeOptions.minWidth = options.minWidth || 10;368 el.resizeOptions.minHeight = options.minHeight || 10;369 el.resizeOptions.maxWidth = options.maxWidth || 3000;370 el.resizeOptions.maxHeight = options.maxHeight || 3000;371 el.resizeOptions.minTop = options.minTop || -1000;372 el.resizeOptions.minLeft = options.minLeft || -1000;373 el.resizeOptions.maxRight = options.maxRight || 3000;374 el.resizeOptions.maxBottom = options.maxBottom || 3000;375 elPosition = jQuery(el).css('position');376 if (!(elPosition == 'relative' || elPosition == 'absolute')) {377 el.style.position = 'relative';378 }379 directions = /n|ne|e|se|s|sw|w|nw/g;380 for (i in el.resizeOptions.handlers) {381 if (i.toLowerCase().match(directions) != null) {382 if (el.resizeOptions.handlers[i].constructor == String) {383 handle = jQuery(el.resizeOptions.handlers[i]);384 if (handle.size() > 0) {385 el.resizeOptions.handlers[i] = handle.get(0);386 }387 }388 if (el.resizeOptions.handlers[i].tagName) {389 el.resizeOptions.handlers[i].resizeElement = el;390 el.resizeOptions.handlers[i].resizeDirection = i;391 jQuery(el.resizeOptions.handlers[i]).bind('mousedown', jQuery.iResize.start);392 }393 }394 }395 if (el.resizeOptions.dragHandle) {396 if (typeof el.resizeOptions.dragHandle === 'string') {397 handleEl = jQuery(el.resizeOptions.dragHandle);398 if (handleEl.size() > 0) {399 handleEl.each(function() {400 this.dragEl = el;401 });402 handleEl.bind('mousedown', jQuery.iResize.startDrag);403 }404 } else if (el.resizeOptions.dragHandle == true) {405 jQuery(this).bind('mousedown', jQuery.iResize.startDrag);406 }407 }408 }409 );410 },411 /**412 * Destroys the resizable413 */414 destroy: function() {415 return this.each(416 function() {417 var el = this;418 // Unbind the handlers419 for (i in el.resizeOptions.handlers) {420 el.resizeOptions.handlers[i].resizeElement = null;421 el.resizeOptions.handlers[i].resizeDirection = null;422 jQuery(el.resizeOptions.handlers[i]).unbind('mousedown', jQuery.iResize.start);423 }424 // Remove the draghandle425 if (el.resizeOptions.dragHandle) {426 if (typeof el.resizeOptions.dragHandle === 'string') {427 handle = jQuery(el.resizeOptions.dragHandle);428 if (handle.size() > 0) {429 handle.unbind('mousedown', jQuery.iResize.startDrag);430 }431 } else if (el.resizeOptions.dragHandle == true) {432 jQuery(this).unbind('mousedown', jQuery.iResize.startDrag);433 }434 }435 // Reset the options436 el.resizeOptions = null;437 }438 );439 }440};441jQuery.fn.extend ({442 /**443 * Create a resizable element with a number of advanced options including callback, dragging444 * 445 * @name Resizable446 * @description Create a resizable element with a number of advanced options including callback, dragging447 * @param Hash hash A hash of parameters. All parameters are optional.448 * @option Hash handlers hash with keys for each resize direction (e, es, s, sw, w, nw, n) and value string selection449 * @option Integer minWidth (optional) the minimum width that element can be resized to450 * @option Integer maxWidth (optional) the maximum width that element can be resized to451 * @option Integer minHeight (optional) the minimum height that element can be resized to452 * @option Integer maxHeight (optional) the maximum height that element can be resized to453 * @option Integer minTop (optional) the minmum top position to wich element can be moved to454 * @option Integer minLeft (optional) the minmum left position to wich element can be moved to455 * @option Integer maxRight (optional) the maximum right position to wich element can be moved to456 * @option Integer maxBottom (optional) the maximum bottom position to wich element can be moved to457 * @option Float ratio (optional) the ratio between width and height to constrain elements sizes to that ratio458 * @option Mixed dragHandle (optional) true to make the element draggable, string selection for drag handle459 * @option Function onDragStart (optional) A function to be executed whenever the dragging starts460 * @option Function onDragStop (optional) A function to be executed whenever the dragging stops461 * @option Function onDrag (optional) A function to be executed whenever the element is dragged462 * @option Function onStart (optional) A function to be executed whenever the element starts to be resized463 * @option Function onStop (optional) A function to be executed whenever the element stops to be resized464 * @option Function onResize (optional) A function to be executed whenever the element is resized465 * @type jQuery466 * @cat Plugins/Interface467 * @author Stefan Petre468 */469 Resizable: jQuery.iResize.build,470 ResizableRatio: jQuery.iResize.ResizeRatio,471 ResizeConstraint: jQuery.iResize.ResizeConstraint,472 /**473 * Destroy a resizable474 * 475 * @name ResizableDestroy476 * @description Destroy a resizable477 * @type jQuery478 * @cat Plugins/Interface479 * @author Stefan Petre480 */481 ResizableDestroy: jQuery.iResize.destroy...
trumbowyg.resizimg.js
Source:trumbowyg.resizimg.js
1;(function ($) {2 'use strict';3 var defaultOptions = {4 minSize: 32,5 step: 46 };7 function preventDefault(e) {8 e.stopPropagation();9 e.preventDefault();10 }11 var ResizeWithCanvas = function () {12 // variable to create canvas and save img in resize mode13 this.resizeCanvas = document.createElement('canvas');14 // to allow canvas to get focus15 this.resizeCanvas.setAttribute('tabindex', '0');16 this.resizeCanvas.id = 'trumbowyg-resizimg-' + (+new Date());17 this.ctx = null;18 this.resizeImg = null;19 this.pressEscape = function (obj) {20 obj.reset();21 };22 this.pressBackspaceOrDelete = function (obj) {23 $(obj.resizeCanvas).replaceWith('');24 obj.resizeImg = null;25 };26 // PRIVATE FUNCTION27 var focusedNow = false;28 var isCursorSeResize = false;29 // calculate offset to change mouse over square in the canvas30 var offsetX, offsetY;31 var reOffset = function (canvas) {32 var BB = canvas.getBoundingClientRect();33 offsetX = BB.left;34 offsetY = BB.top;35 };36 var drawRect = function (shapeData, ctx) {37 // Inner38 ctx.beginPath();39 ctx.fillStyle = 'rgb(255, 255, 255)';40 ctx.rect(shapeData.points.x, shapeData.points.y, shapeData.points.width, shapeData.points.height);41 ctx.fill();42 ctx.stroke();43 };44 var updateCanvas = function (canvas, ctx, img, canvasWidth, canvasHeight) {45 ctx.translate(0.5, 0.5);46 ctx.lineWidth = 1;47 // image48 ctx.drawImage(img, 5, 5, canvasWidth - 10, canvasHeight - 10);49 // border50 ctx.beginPath();51 ctx.rect(5, 5, canvasWidth - 10, canvasHeight - 10);52 ctx.stroke();53 // square in the angle54 ctx.beginPath();55 ctx.fillStyle = 'rgb(255, 255, 255)';56 ctx.rect(canvasWidth - 10, canvasHeight - 10, 9, 9);57 ctx.fill();58 ctx.stroke();59 // get the offset to change the mouse cursor60 reOffset(canvas);61 return ctx;62 };63 // PUBLIC FUNCTION64 // necessary to correctly print cursor over square. Called once for instance. Useless with trumbowyg.65 this.init = function () {66 var _this = this;67 $(window).on('scroll resize', function () {68 _this.reCalcOffset();69 });70 };71 this.reCalcOffset = function () {72 reOffset(this.resizeCanvas);73 };74 this.canvasId = function () {75 return this.resizeCanvas.id;76 };77 this.isActive = function () {78 return this.resizeImg !== null;79 };80 this.isFocusedNow = function () {81 return focusedNow;82 };83 this.blurNow = function () {84 focusedNow = false;85 };86 // restore image in the HTML of the editor87 this.reset = function () {88 if (this.resizeImg === null) {89 return;90 }91 this.resizeImg.width = this.resizeCanvas.clientWidth - 10;92 this.resizeImg.height = this.resizeCanvas.clientHeight - 10;93 // clear style of image to avoid issue on resize because this attribute have priority over width and height attribute94 this.resizeImg.removeAttribute('style');95 $(this.resizeCanvas).replaceWith($(this.resizeImg));96 // reset canvas style97 this.resizeCanvas.removeAttribute('style');98 this.resizeImg = null;99 };100 // setup canvas with points and border to allow the resizing operation101 this.setup = function (img, resizableOptions) {102 this.resizeImg = img;103 if (!this.resizeCanvas.getContext) {104 return false;105 }106 focusedNow = true;107 // draw canvas108 this.resizeCanvas.width = $(this.resizeImg).width() + 10;109 this.resizeCanvas.height = $(this.resizeImg).height() + 10;110 this.resizeCanvas.style.margin = '-5px';111 this.ctx = this.resizeCanvas.getContext('2d');112 // replace image with canvas113 $(this.resizeImg).replaceWith($(this.resizeCanvas));114 updateCanvas(this.resizeCanvas, this.ctx, this.resizeImg, this.resizeCanvas.width, this.resizeCanvas.height);115 // enable resize116 $(this.resizeCanvas).resizable(resizableOptions)117 .on('mousedown', preventDefault);118 var _this = this;119 $(this.resizeCanvas)120 .on('mousemove', function (e) {121 var mouseX = Math.round(e.clientX - offsetX);122 var mouseY = Math.round(e.clientY - offsetY);123 var wasCursorSeResize = isCursorSeResize;124 _this.ctx.rect(_this.resizeCanvas.width - 10, _this.resizeCanvas.height - 10, 9, 9);125 isCursorSeResize = _this.ctx.isPointInPath(mouseX, mouseY);126 if (wasCursorSeResize !== isCursorSeResize) {127 this.style.cursor = isCursorSeResize ? 'se-resize' : 'default';128 }129 })130 .on('keydown', function (e) {131 if (!_this.isActive()) {132 return;133 }134 var x = e.keyCode;135 if (x === 27) { // ESC136 _this.pressEscape(_this);137 } else if (x === 8 || x === 46) { // BACKSPACE or DELETE138 _this.pressBackspaceOrDelete(_this);139 }140 })141 .on('focus', preventDefault);142 this.resizeCanvas.focus();143 return true;144 };145 // update the canvas after the resizing146 this.refresh = function () {147 if (!this.resizeCanvas.getContext) {148 return;149 }150 this.resizeCanvas.width = this.resizeCanvas.clientWidth;151 this.resizeCanvas.height = this.resizeCanvas.clientHeight;152 updateCanvas(this.resizeCanvas, this.ctx, this.resizeImg, this.resizeCanvas.width, this.resizeCanvas.height);153 };154 };155 // object to interact with canvas156 var resizeWithCanvas = new ResizeWithCanvas();157 function destroyResizable(trumbowyg) {158 // clean html code159 trumbowyg.$ed.find('canvas.resizable')160 .resizable('destroy')161 .off('mousedown', preventDefault)162 .removeClass('resizable');163 resizeWithCanvas.reset();164 trumbowyg.syncCode();165 }166 $.extend(true, $.trumbowyg, {167 plugins: {168 resizimg: {169 init: function (trumbowyg) {170 trumbowyg.o.plugins.resizimg = $.extend(true, {},171 defaultOptions,172 trumbowyg.o.plugins.resizimg || {},173 {174 resizable: {175 resizeWidth: false,176 onDragStart: function (ev, $el) {177 var opt = trumbowyg.o.plugins.resizimg;178 var x = ev.pageX - $el.offset().left;179 var y = ev.pageY - $el.offset().top;180 if (x < $el.width() - opt.minSize || y < $el.height() - opt.minSize) {181 return false;182 }183 },184 onDrag: function (ev, $el, newWidth, newHeight) {185 var opt = trumbowyg.o.plugins.resizimg;186 if (newHeight < opt.minSize) {187 newHeight = opt.minSize;188 }189 newHeight -= newHeight % opt.step;190 $el.height(newHeight);191 return false;192 },193 onDragEnd: function () {194 // resize update canvas information195 resizeWithCanvas.refresh();196 trumbowyg.syncCode();197 }198 }199 }200 );201 function initResizable() {202 trumbowyg.$ed.find('img')203 .off('click')204 .on('click', function (e) {205 // if I'm already do a resize, reset it206 if (resizeWithCanvas.isActive()) {207 resizeWithCanvas.reset();208 }209 // initialize resize of image210 resizeWithCanvas.setup(this, trumbowyg.o.plugins.resizimg.resizable);211 preventDefault(e);212 });213 }214 trumbowyg.$c.on('tbwinit', function () {215 initResizable();216 // disable resize when click on other items217 trumbowyg.$ed.on('click', function (e) {218 // check if I've clicked out of canvas or image to reset it219 if ($(e.target).is('img') || e.target.id === resizeWithCanvas.canvasId()) {220 return;221 }222 preventDefault(e);223 resizeWithCanvas.reset();224 // save changes225 trumbowyg.$c.trigger('tbwchange');226 });227 trumbowyg.$ed.on('scroll', function () {228 resizeWithCanvas.reCalcOffset();229 });230 });231 trumbowyg.$c.on('tbwfocus tbwchange', initResizable);232 trumbowyg.$c.on('tbwresize', function () {233 resizeWithCanvas.reCalcOffset();234 });235 // Destroy236 trumbowyg.$c.on('tbwblur', function () {237 // if I have already focused the canvas avoid destroy238 if (resizeWithCanvas.isFocusedNow()) {239 resizeWithCanvas.blurNow();240 } else {241 destroyResizable(trumbowyg);242 }243 });244 },245 destroy: function (trumbowyg) {246 destroyResizable(trumbowyg);247 }248 }249 }250 });...
operators.py
Source:operators.py
...123 resize_h, resize_w = self.image_shape124 ori_h, ori_w = img.shape[:2] # (h, w, c)125 ratio_h = float(resize_h) / ori_h126 ratio_w = float(resize_w) / ori_w127 img = cv2.resize(img, (int(resize_w), int(resize_h)))128 # return img, np.array([ori_h, ori_w])129 return img, [ratio_h, ratio_w]130 def resize_image_type0(self, img):131 """132 resize image to a size multiple of 32 which is required by the network133 args:134 img(array): array with shape [h, w, c]135 return(tuple):136 img, (ratio_h, ratio_w)137 """138 limit_side_len = self.limit_side_len139 h, w, _ = img.shape140 # limit the max side141 if self.limit_type == 'max':142 if max(h, w) > limit_side_len:143 if h > w:144 ratio = float(limit_side_len) / h145 else:146 ratio = float(limit_side_len) / w147 else:148 ratio = 1.149 else:150 if min(h, w) < limit_side_len:151 if h < w:152 ratio = float(limit_side_len) / h153 else:154 ratio = float(limit_side_len) / w155 else:156 ratio = 1.157 resize_h = int(h * ratio)158 resize_w = int(w * ratio)159 resize_h = max(int(round(resize_h / 32) * 32), 32)160 resize_w = max(int(round(resize_w / 32) * 32), 32)161 try:162 if int(resize_w) <= 0 or int(resize_h) <= 0:163 return None, (None, None)164 img = cv2.resize(img, (int(resize_w), int(resize_h)))165 except:166 print(img.shape, resize_w, resize_h)167 sys.exit(0)168 ratio_h = resize_h / float(h)169 ratio_w = resize_w / float(w)170 return img, [ratio_h, ratio_w]171 def resize_image_type2(self, img):172 h, w, _ = img.shape173 resize_w = w174 resize_h = h175 if resize_h > resize_w:176 ratio = float(self.resize_long) / resize_h177 else:178 ratio = float(self.resize_long) / resize_w179 resize_h = int(resize_h * ratio)180 resize_w = int(resize_w * ratio)181 max_stride = 128182 resize_h = (resize_h + max_stride - 1) // max_stride * max_stride183 resize_w = (resize_w + max_stride - 1) // max_stride * max_stride184 img = cv2.resize(img, (int(resize_w), int(resize_h)))185 ratio_h = resize_h / float(h)186 ratio_w = resize_w / float(w)187 return img, [ratio_h, ratio_w]188class E2EResizeForTest(object):189 def __init__(self, **kwargs):190 super(E2EResizeForTest, self).__init__()191 self.max_side_len = kwargs['max_side_len']192 self.valid_set = kwargs['valid_set']193 def __call__(self, data):194 img = data['image']195 src_h, src_w, _ = img.shape196 if self.valid_set == 'totaltext':197 im_resized, [ratio_h, ratio_w] = self.resize_image_for_totaltext(198 img, max_side_len=self.max_side_len)199 else:200 im_resized, (ratio_h, ratio_w) = self.resize_image(201 img, max_side_len=self.max_side_len)202 data['image'] = im_resized203 data['shape'] = np.array([src_h, src_w, ratio_h, ratio_w])204 return data205 def resize_image_for_totaltext(self, im, max_side_len=512):206 h, w, _ = im.shape207 resize_w = w208 resize_h = h209 ratio = 1.25210 if h * ratio > max_side_len:211 ratio = float(max_side_len) / resize_h212 resize_h = int(resize_h * ratio)213 resize_w = int(resize_w * ratio)214 max_stride = 128215 resize_h = (resize_h + max_stride - 1) // max_stride * max_stride216 resize_w = (resize_w + max_stride - 1) // max_stride * max_stride217 im = cv2.resize(im, (int(resize_w), int(resize_h)))218 ratio_h = resize_h / float(h)219 ratio_w = resize_w / float(w)220 return im, (ratio_h, ratio_w)221 def resize_image(self, im, max_side_len=512):222 """223 resize image to a size multiple of max_stride which is required by the network224 :param im: the resized image225 :param max_side_len: limit of max image size to avoid out of memory in gpu226 :return: the resized image and the resize ratio227 """228 h, w, _ = im.shape229 resize_w = w230 resize_h = h231 # Fix the longer side232 if resize_h > resize_w:233 ratio = float(max_side_len) / resize_h234 else:235 ratio = float(max_side_len) / resize_w236 resize_h = int(resize_h * ratio)237 resize_w = int(resize_w * ratio)238 max_stride = 128239 resize_h = (resize_h + max_stride - 1) // max_stride * max_stride240 resize_w = (resize_w + max_stride - 1) // max_stride * max_stride241 im = cv2.resize(im, (int(resize_w), int(resize_h)))242 ratio_h = resize_h / float(h)243 ratio_w = resize_w / float(w)...
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