d861062501
git-svn-id: https://develop.svn.wordpress.org/trunk@10846 602fd350-edb4-49c9-b593-d223f7449a82
148 lines
15 KiB
JavaScript
148 lines
15 KiB
JavaScript
/**
|
|
* Jcrop v.0.9.5 (minimized)
|
|
* (c) 2008 Kelly Hallman and DeepLiquid.com
|
|
* More information: http://deepliquid.com/content/Jcrop.html
|
|
* Released under MIT License - this header must remain with code
|
|
*/
|
|
|
|
|
|
$.Jcrop=function(obj,opt)
|
|
{var obj=obj,opt=opt;if(typeof(obj)!=='object')obj=$(obj)[0];if(typeof(opt)!=='object')opt={};if(!('trackDocument'in opt))
|
|
opt.trackDocument=$.browser.msie?false:true;if(!('keySupport'in opt))
|
|
opt.keySupport=$.browser.msie?false:true;var defaults={trackDocument:false,baseClass:'jcrop',addClass:null,bgColor:'black',bgOpacity:.6,borderOpacity:.4,handleOpacity:.5,handlePad:5,handleSize:9,handleOffset:5,edgeMargin:14,aspectRatio:0,keySupport:true,cornerHandles:true,sideHandles:true,drawBorders:true,dragEdges:true,boxWidth:0,boxHeight:0,boundary:8,animationDelay:20,swingSpeed:3,watchShift:false,minSelect:[0,0],maxSize:[0,0],minSize:[0,0],onChange:function(){},onSelect:function(){}};var options=defaults;setOptions(opt);var $img=$(obj).css({position:'absolute'});presize($img,options.boxWidth,options.boxHeight);var boundx=$img.width(),boundy=$img.height(),$div=$('<div />').width(boundx).height(boundy).addClass(cssClass('holder')).css({position:'relative',backgroundColor:options.bgColor});if(options.addClass)$div.addClass(options.addClass);$img.wrap($div);var $img2=$('<img />').attr('src',$img.attr('src')).css('position','absolute').width(boundx).height(boundy);var $img_holder=$('<div />').width(pct(100)).height(pct(100)).css({zIndex:310,position:'absolute',overflow:'hidden'}).append($img2);var $hdl_holder=$('<div />').width(pct(100)).height(pct(100)).css({zIndex:320});var $sel=$('<div />').css({position:'absolute',zIndex:300}).insertBefore($img).append($img_holder,$hdl_holder);var bound=options.boundary;var $trk=$('<div />').addClass(cssClass('tracker')).width(boundx+(bound*2)).height(boundy+(bound*2)).css({position:'absolute',top:px(-bound),left:px(-bound),zIndex:290,opacity:0}).mousedown(newSelection);var xscale,yscale;var docOffset=getPos(obj),btndown,aspectLock,lastcurs,dimmed,animating,shift_down;if('trueSize'in options)
|
|
{xscale=options.trueSize[0]/boundx;yscale=options.trueSize[1]/boundy;}
|
|
var Coords=function()
|
|
{var x1=0,y1=0,x2=0,y2=0,ox,oy;function setPressed(pos)
|
|
{var pos=rebound(pos);x2=x1=pos[0];y2=y1=pos[1];};function setCurrent(pos)
|
|
{var pos=rebound(pos);ox=pos[0]-x2;oy=pos[1]-y2;x2=pos[0];y2=pos[1];};function getOffset()
|
|
{return[ox,oy];};function moveOffset(offset)
|
|
{var ox=offset[0],oy=offset[1];if(0>x1+ox)ox-=ox+x1;if(0>y1+oy)oy-=oy+y1;if(boundy<y2+oy)oy+=boundy-(y2+oy);if(boundx<x2+ox)ox+=boundx-(x2+ox);x1+=ox;x2+=ox;y1+=oy;y2+=oy;};function getCorner(ord)
|
|
{var c=getFixed();switch(ord)
|
|
{case'ne':return[c.x2,c.y];case'nw':return[c.x,c.y];case'se':return[c.x2,c.y2];case'sw':return[c.x,c.y2];}};function getFixed()
|
|
{if(!options.aspectRatio&&!aspectLock)return getRect();var aspect=options.aspectRatio?options.aspectRatio:aspectLock,min=options.minSize,max=options.maxSize,rw=x2-x1,rh=y2-y1,rwa=Math.abs(rw),rha=Math.abs(rh),real_ratio=rwa/rha,xx,yy;if(real_ratio<aspect)
|
|
{yy=y2;w=rha*aspect;xx=rw<0?x1-w:w+x1;if(xx<0)
|
|
{xx=0;h=Math.abs((xx-x1)/aspect);yy=rh<0?y1-h:h+y1;}
|
|
else if(xx>boundx)
|
|
{xx=boundx;h=Math.abs((xx-x1)/aspect);yy=rh<0?y1-h:h+y1;}}
|
|
else
|
|
{xx=x2;h=rwa/aspect;yy=rh<0?y1-h:y1+h;if(yy<0)
|
|
{yy=0;w=Math.abs((yy-y1)*aspect);xx=rw<0?x1-w:w+x1;}
|
|
else if(yy>boundy)
|
|
{yy=boundy;w=Math.abs(yy-y1)*aspect;xx=rw<0?x1-w:w+x1;}}
|
|
return last=makeObj(flipCoords(x1,y1,xx,yy));};function rebound(p)
|
|
{if(p[0]<0)p[0]=0;if(p[1]<0)p[1]=0;if(p[0]>boundx)p[0]=boundx;if(p[1]>boundy)p[1]=boundy;return[p[0],p[1]];};function flipCoords(x1,y1,x2,y2)
|
|
{var xa=x1,xb=x2,ya=y1,yb=y2;if(x2<x1)
|
|
{xa=x2;xb=x1;}
|
|
if(y2<y1)
|
|
{ya=y2;yb=y1;}
|
|
return[Math.round(xa),Math.round(ya),Math.round(xb),Math.round(yb)];};function getRect()
|
|
{var xsize=x2-x1;var ysize=y2-y1;if(xlimit&&(Math.abs(xsize)>xlimit))
|
|
x2=(xsize>0)?(x1+xlimit):(x1-xlimit);if(ylimit&&(Math.abs(ysize)>ylimit))
|
|
y2=(ysize>0)?(y1+ylimit):(y1-ylimit);if(ymin&&(Math.abs(ysize)<ymin))
|
|
y2=(ysize>0)?(y1+ymin):(y1-ymin);if(xmin&&(Math.abs(xsize)<xmin))
|
|
x2=(xsize>0)?(x1+xmin):(x1-xmin);if(x1<0){x2-=x1;x1-=x1;}
|
|
if(y1<0){y2-=y1;y1-=y1;}
|
|
if(x2<0){x1-=x2;x2-=x2;}
|
|
if(y2<0){y1-=y2;y2-=y2;}
|
|
if(x2>boundx){var delta=x2-boundx;x1-=delta;x2-=delta;}
|
|
if(y2>boundy){var delta=y2-boundy;y1-=delta;y2-=delta;}
|
|
if(x1>boundx){var delta=x1-boundy;y2-=delta;y1-=delta;}
|
|
if(y1>boundy){var delta=y1-boundy;y2-=delta;y1-=delta;}
|
|
return makeObj(flipCoords(x1,y1,x2,y2));};function makeObj(a)
|
|
{return{x:a[0],y:a[1],x2:a[2],y2:a[3],w:a[2]-a[0],h:a[3]-a[1]};};return{flipCoords:flipCoords,setPressed:setPressed,setCurrent:setCurrent,getOffset:getOffset,moveOffset:moveOffset,getCorner:getCorner,getFixed:getFixed};}();var Selection=function()
|
|
{var start,end,dragmode,awake,hdep=370;var borders={};var handle={};var seehandles=false;var hhs=options.handleOffset;if(options.drawBorders){borders={top:insertBorder('hline').css('top',$.browser.msie?px(-1):px(0)),bottom:insertBorder('hline'),left:insertBorder('vline'),right:insertBorder('vline')};}
|
|
if(options.dragEdges){handle.t=insertDragbar('n');handle.b=insertDragbar('s');handle.r=insertDragbar('e');handle.l=insertDragbar('w');}
|
|
options.sideHandles&&createHandles(['n','s','e','w']);options.cornerHandles&&createHandles(['sw','nw','ne','se']);function insertBorder(type)
|
|
{var jq=$('<div />').css({position:'absolute',opacity:options.borderOpacity}).addClass(cssClass(type));$img_holder.append(jq);return jq;};function dragDiv(ord,zi)
|
|
{var jq=$('<div />').mousedown(createDragger(ord)).css({cursor:ord+'-resize',position:'absolute',zIndex:zi});$hdl_holder.append(jq);return jq;};function insertHandle(ord)
|
|
{return dragDiv(ord,hdep++).css({top:px(-hhs+1),left:px(-hhs+1),opacity:options.handleOpacity}).addClass(cssClass('handle'));};function insertDragbar(ord)
|
|
{var s=options.handleSize,o=hhs,h=s,w=s,t=o,l=o;switch(ord)
|
|
{case'n':case's':w=pct(100);break;case'e':case'w':h=pct(100);break;}
|
|
return dragDiv(ord,hdep++).width(w).height(h).css({top:px(-t+1),left:px(-l+1)});};function createHandles(li)
|
|
{for(i in li)handle[li[i]]=insertHandle(li[i]);};function moveHandles(c)
|
|
{var midvert=Math.round((c.h/2)-hhs),midhoriz=Math.round((c.w/2)-hhs),north=west=-hhs+1,east=c.w-hhs,south=c.h-hhs,x,y;'e'in handle&&handle.e.css({top:px(midvert),left:px(east)})&&handle.w.css({top:px(midvert)})&&handle.s.css({top:px(south),left:px(midhoriz)})&&handle.n.css({left:px(midhoriz)});'ne'in handle&&handle.ne.css({left:px(east)})&&handle.se.css({top:px(south),left:px(east)})&&handle.sw.css({top:px(south)});'b'in handle&&handle.b.css({top:px(south)})&&handle.r.css({left:px(east)});};function moveto(x,y)
|
|
{$img2.css({top:px(-y),left:px(-x)});$sel.css({top:px(y),left:px(x)});};function resize(w,h)
|
|
{$sel.width(w).height(h);};function refresh()
|
|
{var p=Coords.getFixed();Coords.setPressed([p.x,p.y]);Coords.setCurrent([p.x2,p.y2]);};function updateVisible()
|
|
{if(awake)return update();};function update()
|
|
{var c=Coords.getFixed();resize(c.w,c.h);moveto(c.x,c.y);options.drawBorders&&borders['right'].css({left:px(c.w-1)})&&borders['bottom'].css({top:px(c.h-1)});seehandles&&moveHandles(c);awake||show();options.onChange(unscale(c));};function show()
|
|
{$sel.show();$img.css('opacity',options.bgOpacity);awake=true;};function release()
|
|
{disableHandles();$sel.hide();$img.css('opacity',1);awake=false;};function hide()
|
|
{release();$img.css('opacity',1);awake=false;};function enableHandles()
|
|
{seehandles=true;moveHandles(Coords.getFixed());$hdl_holder.show();};function disableHandles()
|
|
{seehandles=false;$hdl_holder.hide();};function animMode(v)
|
|
{(animating=v)?disableHandles():enableHandles();};function done()
|
|
{var c=Coords.getFixed();animMode(false);refresh();};disableHandles();$img_holder.append
|
|
($('<div />').addClass(cssClass('tracker')).mousedown(createDragger('move')).css({cursor:'move',position:'absolute',zIndex:360,opacity:0}));return{updateVisible:updateVisible,update:update,release:release,show:show,hide:hide,enableHandles:enableHandles,disableHandles:disableHandles,animMode:animMode,done:done};}();var Tracker=function()
|
|
{var onMove=function(){},onDone=function(){},trackDoc=options.trackDocument;if(!trackDoc)
|
|
{$trk.mousemove(trackMove).mouseup(trackUp).mouseout(trackUp);}
|
|
function toFront()
|
|
{if(trackDoc)
|
|
{$(document).mousemove(trackMove).mouseup(trackUp);}
|
|
$trk.css({zIndex:450});}
|
|
function toBack()
|
|
{if(trackDoc)
|
|
{$(document).unbind('mousemove',trackMove).unbind('mouseup',trackUp);}
|
|
$trk.css({zIndex:290});}
|
|
function trackMove(e)
|
|
{onMove(mouseAbs(e));};function trackUp(e)
|
|
{e.preventDefault();e.stopPropagation();if(btndown)
|
|
{btndown=false;onDone(mouseAbs(e));options.onSelect(unscale(Coords.getFixed()));toBack();onMove=function(){};onDone=function(){};}
|
|
return false;};function activateHandlers(move,done)
|
|
{btndown=true;onMove=move;onDone=done;toFront();return false;};function setCursor(t){$trk.css('cursor',t);};$img.before($trk);return{activateHandlers:activateHandlers,setCursor:setCursor};}();var KeyManager=function()
|
|
{var $keymgr=$('<input type="radio" />').css({position:'absolute',left:'-30px'}).keydown(parseKey).keyup(watchShift).blur(onBlur),$keywrap=$('<div />').css({position:'absolute',overflow:'hidden'}).append($keymgr);function watchKeys()
|
|
{if(options.keySupport)
|
|
{$keymgr.show();$keymgr.focus();}};function onBlur(e)
|
|
{$keymgr.hide();};function watchShift(e)
|
|
{if(!options.watchShift)return;var init_shift=shift_down,fc;shift_down=e.shiftKey?true:false;if(init_shift!=shift_down){if(shift_down&&btndown){fc=Coords.getFixed();aspectLock=fc.w/fc.h;}else aspectLock=0;Selection.update();}
|
|
e.stopPropagation();e.preventDefault();return false;};function doNudge(e,x,y)
|
|
{Coords.moveOffset([x,y]);Selection.updateVisible();e.preventDefault();e.stopPropagation();};function parseKey(e)
|
|
{if(e.ctrlKey)return true;watchShift(e);var nudge=shift_down?10:1;switch(e.keyCode)
|
|
{case 37:doNudge(e,-nudge,0);break;case 39:doNudge(e,nudge,0);break;case 38:doNudge(e,0,-nudge);break;case 40:doNudge(e,0,nudge);break;case 27:Selection.release();break;case 9:return true;}
|
|
return false;};if(options.keySupport)$keywrap.insertBefore($img);return{watchKeys:watchKeys};}();function px(n){return''+parseInt(n)+'px';};function pct(n){return''+parseInt(n)+'%';};function cssClass(cl){return options.baseClass+'-'+cl;};function getPos(obj)
|
|
{var pos=$(obj).offset();return[pos.left,pos.top];};function mouseAbs(e)
|
|
{return[(e.pageX-docOffset[0]),(e.pageY-docOffset[1])];};function myCursor(type)
|
|
{if(type!=lastcurs)
|
|
{Tracker.setCursor(type);lastcurs=type;}};function startDragMode(mode,pos)
|
|
{docOffset=getPos(obj);Tracker.setCursor(mode=='move'?mode:mode+'-resize');if(mode=='move')
|
|
return Tracker.activateHandlers(createMover(pos),doneSelect);var fc=Coords.getFixed();Coords.setPressed(Coords.getCorner(oppLockCorner(mode)));Tracker.activateHandlers(dragmodeHandler(mode,fc),doneSelect);};function dragmodeHandler(mode,f)
|
|
{return function(pos){if(!options.aspectRatio&&!aspectLock)switch(mode)
|
|
{case'e':pos[1]=f.y2;break;case'w':pos[1]=f.y2;break;case'n':pos[0]=f.x2;break;case's':pos[0]=f.x2;break;}
|
|
else switch(mode)
|
|
{case'e':pos[1]=f.y+1;break;case'w':pos[1]=f.y+1;break;case'n':pos[0]=f.x+1;break;case's':pos[0]=f.x+1;break;}
|
|
Coords.setCurrent(pos);Selection.update();};};function createMover(pos)
|
|
{var lloc=pos;KeyManager.watchKeys();return function(pos)
|
|
{Coords.moveOffset([pos[0]-lloc[0],pos[1]-lloc[1]]);lloc=pos;Selection.update();};};function oppLockCorner(ord)
|
|
{switch(ord)
|
|
{case'n':return'sw';case's':return'nw';case'e':return'nw';case'w':return'ne';case'ne':return'sw';case'nw':return'se';case'se':return'nw';case'sw':return'ne';};};function createDragger(ord)
|
|
{return function(e){btndown=true;startDragMode(ord,mouseAbs(e));e.stopPropagation();e.preventDefault();return false;};};function presize($obj,w,h)
|
|
{var nw=$obj.width(),nh=$obj.height();if((nw>w)&&w>0)
|
|
{nw=w;nh=(w/$obj.width())*$obj.height();}
|
|
if((nh>h)&&h>0)
|
|
{nh=h;nw=(h/$obj.height())*$obj.width();}
|
|
xscale=$obj.width()/nw;yscale=$obj.height()/nh;$obj.width(nw).height(nh);};function unscale(c)
|
|
{return{x:parseInt(c.x*xscale),y:parseInt(c.y*yscale),x2:parseInt(c.x2*xscale),y2:parseInt(c.y2*yscale),w:parseInt(c.w*xscale),h:parseInt(c.h*yscale)};};function doneSelect(pos)
|
|
{var c=Coords.getFixed();if(c.w>options.minSelect[0]&&c.h>options.minSelect[1])
|
|
{Selection.enableHandles();Selection.done();}
|
|
else
|
|
{Selection.release();}
|
|
Tracker.setCursor('crosshair');};function newSelection(e)
|
|
{btndown=true;docOffset=getPos(obj);Selection.release();Selection.disableHandles();myCursor('crosshair');Coords.setPressed(mouseAbs(e));Tracker.activateHandlers(selectDrag,doneSelect);KeyManager.watchKeys();e.stopPropagation();e.preventDefault();return false;};function selectDrag(pos)
|
|
{Coords.setCurrent(pos);Selection.update();};function animateTo(a)
|
|
{var x1=a[0],y1=a[1],x2=a[2],y2=a[3];if(animating)return;var animto=Coords.flipCoords(x1,y1,x2,y2);var c=Coords.getFixed();var animat=initcr=[c.x,c.y,c.x2,c.y2];var interv=options.animationDelay;var x=animat[0];var y=animat[1];var x2=animat[2];var y2=animat[3];var ix1=animto[0]-initcr[0];var iy1=animto[1]-initcr[1];var ix2=animto[2]-initcr[2];var iy2=animto[3]-initcr[3];var pcent=0;var velocity=options.swingSpeed;Selection.animMode(true);var animator=function()
|
|
{return function()
|
|
{pcent+=(100-pcent)/velocity;animat[0]=x+((pcent/100)*ix1);animat[1]=y+((pcent/100)*iy1);animat[2]=x2+((pcent/100)*ix2);animat[3]=y2+((pcent/100)*iy2);if(pcent<100)animateStart();else Selection.done();if(pcent>=99.8)pcent=100;setSelect(animat);};}();function animateStart()
|
|
{window.setTimeout(animator,interv);};animateStart();};function setSelect(l)
|
|
{Coords.setPressed([l[0],l[1]]);Coords.setCurrent([l[2],l[3]]);Selection.update();};function setOptions(opt)
|
|
{if(typeof(opt)!='object')opt={};options=$.extend(options,opt);if(typeof(options.onChange)!=='function')
|
|
options.onChange=function(){};if(typeof(options.onSelect)!=='function')
|
|
options.onSelect=function(){};};function tellSelect()
|
|
{return unscale(Coords.getFixed());};function tellScaled()
|
|
{return Coords.getFixed();};function setOptionsNew(opt)
|
|
{setOptions(opt);if('setSelect'in opt){setSelect(opt.setSelect);Selection.done();}};if(typeof(opt)!='object')opt={};if('setSelect'in opt){setSelect(opt.setSelect);Selection.done();}
|
|
var xlimit=options.maxSize[0]||0;var ylimit=options.maxSize[1]||0;var xmin=options.minSize[0]||0;var ymin=options.minSize[1]||0;Tracker.setCursor('crosshair');return{animateTo:animateTo,setSelect:setSelect,setOptions:setOptionsNew,tellSelect:tellSelect,tellScaled:tellScaled};};$.fn.Jcrop=function(options)
|
|
{function attachWhenDone(from)
|
|
{var loadsrc=options.useImg||from.src;var img=new Image();var from=from;img.onload=function(){$(from).hide().after(img);from.Jcrop=$.Jcrop(img,options);};img.src=loadsrc;};if(typeof(options)!=='object')options={};this.each(function()
|
|
{if('Jcrop'in this)
|
|
{if(options=='api')return this.Jcrop;else this.Jcrop.setOptions(options);}
|
|
else attachWhenDone(this);});return this;}; |