163 lines
17 KiB
JavaScript
163 lines
17 KiB
JavaScript
/**
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* Jcrop v.0.9.8 (minimized)
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* (c) 2008 Kelly Hallman and DeepLiquid.com
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* More information: http://deepliquid.com/content/Jcrop.html
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* Released under MIT License - this header must remain with code
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*/
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(function($){$.Jcrop=function(obj,opt)
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{var obj=obj,opt=opt;if(typeof(obj)!=='object')obj=$(obj)[0];if(typeof(opt)!=='object')opt={};if(!('trackDocument'in opt))
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{opt.trackDocument=$.browser.msie?false:true;if($.browser.msie&&$.browser.version.split('.')[0]=='8')
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opt.trackDocument=true;}
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if(!('keySupport'in opt))
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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,allowSelect:true,allowMove:true,allowResize:true,minSelect:[0,0],maxSize:[0,0],minSize:[0,0],onChange:function(){},onSelect:function(){}};var options=defaults;setOptions(opt);var $origimg=$(obj);var $img=$origimg.clone().removeAttr('id').css({position:'absolute'});$img.width($origimg.width());$img.height($origimg.height());$origimg.after($img).hide();presize($img,options.boxWidth,options.boxHeight);var boundx=$img.width(),boundy=$img.height(),$div=$('<div />').width(boundx).height(boundy).addClass(cssClass('holder')).css({position:'relative',backgroundColor:options.bgColor}).insertAfter($origimg).append($img);;if(options.addClass)$div.addClass(options.addClass);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 $trk=newTracker().width(boundx+(bound*2)).height(boundy+(bound*2)).css({position:'absolute',top:px(-bound),left:px(-bound),zIndex:290}).mousedown(newSelection);var xlimit,ylimit,xmin,ymin;var xscale,yscale,enabled=true;var docOffset=getPos($img),btndown,lastcurs,dimmed,animating,shift_down;var Coords=function()
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{var x1=0,y1=0,x2=0,y2=0,ox,oy;function setPressed(pos)
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{var pos=rebound(pos);x2=x1=pos[0];y2=y1=pos[1];};function setCurrent(pos)
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{var pos=rebound(pos);ox=pos[0]-x2;oy=pos[1]-y2;x2=pos[0];y2=pos[1];};function getOffset()
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{return[ox,oy];};function moveOffset(offset)
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{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)
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{var c=getFixed();switch(ord)
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{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()
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{if(!options.aspectRatio)return getRect();var aspect=options.aspectRatio,min_x=options.minSize[0]/xscale,min_y=options.minSize[1]/yscale,max_x=options.maxSize[0]/xscale,max_y=options.maxSize[1]/yscale,rw=x2-x1,rh=y2-y1,rwa=Math.abs(rw),rha=Math.abs(rh),real_ratio=rwa/rha,xx,yy;if(max_x==0){max_x=boundx*10}
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if(max_y==0){max_y=boundy*10}
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if(real_ratio<aspect)
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{yy=y2;w=rha*aspect;xx=rw<0?x1-w:w+x1;if(xx<0)
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{xx=0;h=Math.abs((xx-x1)/aspect);yy=rh<0?y1-h:h+y1;}
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else if(xx>boundx)
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{xx=boundx;h=Math.abs((xx-x1)/aspect);yy=rh<0?y1-h:h+y1;}}
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else
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{xx=x2;h=rwa/aspect;yy=rh<0?y1-h:y1+h;if(yy<0)
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{yy=0;w=Math.abs((yy-y1)*aspect);xx=rw<0?x1-w:w+x1;}
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else if(yy>boundy)
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{yy=boundy;w=Math.abs(yy-y1)*aspect;xx=rw<0?x1-w:w+x1;}}
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if(xx>x1){if(xx-x1<min_x){xx=x1+min_x;}else if(xx-x1>max_x){xx=x1+max_x;}
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if(yy>y1){yy=y1+(xx-x1)/aspect;}else{yy=y1-(xx-x1)/aspect;}}else if(xx<x1){if(x1-xx<min_x){xx=x1-min_x}else if(x1-xx>max_x){xx=x1-max_x;}
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if(yy>y1){yy=y1+(x1-xx)/aspect;}else{yy=y1-(x1-xx)/aspect;}}
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if(xx<0){x1-=xx;xx=0;}else if(xx>boundx){x1-=xx-boundx;xx=boundx;}
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if(yy<0){y1-=yy;yy=0;}else if(yy>boundy){y1-=yy-boundy;yy=boundy;}
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return last=makeObj(flipCoords(x1,y1,xx,yy));};function rebound(p)
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{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)
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{var xa=x1,xb=x2,ya=y1,yb=y2;if(x2<x1)
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{xa=x2;xb=x1;}
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if(y2<y1)
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{ya=y2;yb=y1;}
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return[Math.round(xa),Math.round(ya),Math.round(xb),Math.round(yb)];};function getRect()
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{var xsize=x2-x1;var ysize=y2-y1;if(xlimit&&(Math.abs(xsize)>xlimit))
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x2=(xsize>0)?(x1+xlimit):(x1-xlimit);if(ylimit&&(Math.abs(ysize)>ylimit))
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y2=(ysize>0)?(y1+ylimit):(y1-ylimit);if(ymin&&(Math.abs(ysize)<ymin))
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y2=(ysize>0)?(y1+ymin):(y1-ymin);if(xmin&&(Math.abs(xsize)<xmin))
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x2=(xsize>0)?(x1+xmin):(x1-xmin);if(x1<0){x2-=x1;x1-=x1;}
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if(y1<0){y2-=y1;y1-=y1;}
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if(x2<0){x1-=x2;x2-=x2;}
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if(y2<0){y1-=y2;y2-=y2;}
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if(x2>boundx){var delta=x2-boundx;x1-=delta;x2-=delta;}
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if(y2>boundy){var delta=y2-boundy;y1-=delta;y2-=delta;}
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if(x1>boundx){var delta=x1-boundy;y2-=delta;y1-=delta;}
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if(y1>boundy){var delta=y1-boundy;y2-=delta;y1-=delta;}
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return makeObj(flipCoords(x1,y1,x2,y2));};function makeObj(a)
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{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()
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{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',$.browser.msie?px(-1):px(0)),bottom:insertBorder('hline'),left:insertBorder('vline'),right:insertBorder('vline')};}
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if(options.dragEdges){handle.t=insertDragbar('n');handle.b=insertDragbar('s');handle.r=insertDragbar('e');handle.l=insertDragbar('w');}
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options.sideHandles&&createHandles(['n','s','e','w']);options.cornerHandles&&createHandles(['sw','nw','ne','se']);function insertBorder(type)
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{var jq=$('<div />').css({position:'absolute',opacity:options.borderOpacity}).addClass(cssClass(type));$img_holder.append(jq);return jq;};function dragDiv(ord,zi)
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{var jq=$('<div />').mousedown(createDragger(ord)).css({cursor:ord+'-resize',position:'absolute',zIndex:zi});$hdl_holder.append(jq);return jq;};function insertHandle(ord)
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{return dragDiv(ord,hdep++).css({top:px(-hhs+1),left:px(-hhs+1),opacity:options.handleOpacity}).addClass(cssClass('handle'));};function insertDragbar(ord)
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{var s=options.handleSize,o=hhs,h=s,w=s,t=o,l=o;switch(ord)
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{case'n':case's':w=pct(100);break;case'e':case'w':h=pct(100);break;}
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return dragDiv(ord,hdep++).width(w).height(h).css({top:px(-t+1),left:px(-l+1)});};function createHandles(li)
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{for(i in li)handle[li[i]]=insertHandle(li[i]);};function moveHandles(c)
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{var midvert=Math.round((c.h/2)-hhs),midhoriz=Math.round((c.w/2)-hhs),north=west=-hhs+1,east=c.w-hhs,south=c.h-hhs,x,y;'e'in handle&&handle.e.css({top:px(midvert),left:px(east)})&&handle.w.css({top:px(midvert)})&&handle.s.css({top:px(south),left:px(midhoriz)})&&handle.n.css({left:px(midhoriz)});'ne'in handle&&handle.ne.css({left:px(east)})&&handle.se.css({top:px(south),left:px(east)})&&handle.sw.css({top:px(south)});'b'in handle&&handle.b.css({top:px(south)})&&handle.r.css({left:px(east)});};function moveto(x,y)
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{$img2.css({top:px(-y),left:px(-x)});$sel.css({top:px(y),left:px(x)});};function resize(w,h)
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{$sel.width(w).height(h);};function refresh()
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{var c=Coords.getFixed();Coords.setPressed([c.x,c.y]);Coords.setCurrent([c.x2,c.y2]);updateVisible();};function updateVisible()
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{if(awake)return update();};function update()
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{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()
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{$sel.show();$img.css('opacity',options.bgOpacity);awake=true;};function release()
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{disableHandles();$sel.hide();$img.css('opacity',1);awake=false;};function showHandles()
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{if(seehandles)
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{moveHandles(Coords.getFixed());$hdl_holder.show();}};function enableHandles()
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{seehandles=true;if(options.allowResize)
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{moveHandles(Coords.getFixed());$hdl_holder.show();return true;}};function disableHandles()
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{seehandles=false;$hdl_holder.hide();};function animMode(v)
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{(animating=v)?disableHandles():enableHandles();};function done()
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{animMode(false);refresh();};var $track=newTracker().mousedown(createDragger('move')).css({cursor:'move',position:'absolute',zIndex:360})
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$img_holder.append($track);disableHandles();return{updateVisible:updateVisible,update:update,release:release,refresh:refresh,setCursor:function(cursor){$track.css('cursor',cursor);},enableHandles:enableHandles,enableOnly:function(){seehandles=true;},showHandles:showHandles,disableHandles:disableHandles,animMode:animMode,done:done};}();var Tracker=function()
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{var onMove=function(){},onDone=function(){},trackDoc=options.trackDocument;if(!trackDoc)
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{$trk.mousemove(trackMove).mouseup(trackUp).mouseout(trackUp);}
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function toFront()
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{$trk.css({zIndex:450});if(trackDoc)
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{$(document).mousemove(trackMove).mouseup(trackUp);}}
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function toBack()
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{$trk.css({zIndex:290});if(trackDoc)
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{$(document).unbind('mousemove',trackMove).unbind('mouseup',trackUp);}}
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function trackMove(e)
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{onMove(mouseAbs(e));};function trackUp(e)
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{e.preventDefault();e.stopPropagation();if(btndown)
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{btndown=false;onDone(mouseAbs(e));options.onSelect(unscale(Coords.getFixed()));toBack();onMove=function(){};onDone=function(){};}
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return false;};function activateHandlers(move,done)
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{btndown=true;onMove=move;onDone=done;toFront();return false;};function setCursor(t){$trk.css('cursor',t);};$img.before($trk);return{activateHandlers:activateHandlers,setCursor:setCursor};}();var KeyManager=function()
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{var $keymgr=$('<input type="radio" />').css({position:'absolute',left:'-30px'}).keypress(parseKey).blur(onBlur),$keywrap=$('<div />').css({position:'absolute',overflow:'hidden'}).append($keymgr);function watchKeys()
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{if(options.keySupport)
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{$keymgr.show();$keymgr.focus();}};function onBlur(e)
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{$keymgr.hide();};function doNudge(e,x,y)
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{if(options.allowMove){Coords.moveOffset([x,y]);Selection.updateVisible();};e.preventDefault();e.stopPropagation();};function parseKey(e)
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{if(e.ctrlKey)return true;shift_down=e.shiftKey?true:false;var nudge=shift_down?10:1;switch(e.keyCode)
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{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;}
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return nothing(e);};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)
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{var pos=$(obj).offset();return[pos.left,pos.top];};function mouseAbs(e)
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{return[(e.pageX-docOffset[0]),(e.pageY-docOffset[1])];};function myCursor(type)
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{if(type!=lastcurs)
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{Tracker.setCursor(type);lastcurs=type;}};function startDragMode(mode,pos)
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{docOffset=getPos($img);Tracker.setCursor(mode=='move'?mode:mode+'-resize');if(mode=='move')
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return Tracker.activateHandlers(createMover(pos),doneSelect);var fc=Coords.getFixed();var opp=oppLockCorner(mode);var opc=Coords.getCorner(oppLockCorner(opp));Coords.setPressed(Coords.getCorner(opp));Coords.setCurrent(opc);Tracker.activateHandlers(dragmodeHandler(mode,fc),doneSelect);};function dragmodeHandler(mode,f)
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{return function(pos){if(!options.aspectRatio)switch(mode)
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{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;}
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else switch(mode)
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{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;}
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Coords.setCurrent(pos);Selection.update();};};function createMover(pos)
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{var lloc=pos;KeyManager.watchKeys();return function(pos)
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{Coords.moveOffset([pos[0]-lloc[0],pos[1]-lloc[1]]);lloc=pos;Selection.update();};};function oppLockCorner(ord)
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{switch(ord)
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{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)
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{return function(e){if(options.disabled)return false;if((ord=='move')&&!options.allowMove)return false;btndown=true;startDragMode(ord,mouseAbs(e));e.stopPropagation();e.preventDefault();return false;};};function presize($obj,w,h)
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{var nw=$obj.width(),nh=$obj.height();if((nw>w)&&w>0)
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{nw=w;nh=(w/$obj.width())*$obj.height();}
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if((nh>h)&&h>0)
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{nh=h;nw=(h/$obj.height())*$obj.width();}
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xscale=$obj.width()/nw;yscale=$obj.height()/nh;$obj.width(nw).height(nh);};function unscale(c)
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{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)
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{var c=Coords.getFixed();if(c.w>options.minSelect[0]&&c.h>options.minSelect[1])
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{Selection.enableHandles();Selection.done();}
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else
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{Selection.release();}
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Tracker.setCursor(options.allowSelect?'crosshair':'default');};function newSelection(e)
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{if(options.disabled)return false;if(!options.allowSelect)return false;btndown=true;docOffset=getPos($img);Selection.disableHandles();myCursor('crosshair');var pos=mouseAbs(e);Coords.setPressed(pos);Tracker.activateHandlers(selectDrag,doneSelect);KeyManager.watchKeys();Selection.update();e.stopPropagation();e.preventDefault();return false;};function selectDrag(pos)
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{Coords.setCurrent(pos);Selection.update();};function newTracker()
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{var trk=$('<div></div>').addClass(cssClass('tracker'));$.browser.msie&&trk.css({opacity:0,backgroundColor:'white'});return trk;};function animateTo(a)
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{var x1=a[0]/xscale,y1=a[1]/yscale,x2=a[2]/xscale,y2=a[3]/yscale;if(animating)return;var animto=Coords.flipCoords(x1,y1,x2,y2);var c=Coords.getFixed();var animat=initcr=[c.x,c.y,c.x2,c.y2];var interv=options.animationDelay;var x=animat[0];var y=animat[1];var x2=animat[2];var y2=animat[3];var ix1=animto[0]-initcr[0];var iy1=animto[1]-initcr[1];var ix2=animto[2]-initcr[2];var iy2=animto[3]-initcr[3];var pcent=0;var velocity=options.swingSpeed;Selection.animMode(true);var animator=function()
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{return function()
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{pcent+=(100-pcent)/velocity;animat[0]=x+((pcent/100)*ix1);animat[1]=y+((pcent/100)*iy1);animat[2]=x2+((pcent/100)*ix2);animat[3]=y2+((pcent/100)*iy2);if(pcent<100)animateStart();else Selection.done();if(pcent>=99.8)pcent=100;setSelectRaw(animat);};}();function animateStart()
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{window.setTimeout(animator,interv);};animateStart();};function setSelect(rect)
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{setSelectRaw([rect[0]/xscale,rect[1]/yscale,rect[2]/xscale,rect[3]/yscale]);};function setSelectRaw(l)
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{Coords.setPressed([l[0],l[1]]);Coords.setCurrent([l[2],l[3]]);Selection.update();};function setOptions(opt)
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{if(typeof(opt)!='object')opt={};options=$.extend(options,opt);if(typeof(options.onChange)!=='function')
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options.onChange=function(){};if(typeof(options.onSelect)!=='function')
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options.onSelect=function(){};};function tellSelect()
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{return unscale(Coords.getFixed());};function tellScaled()
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{return Coords.getFixed();};function setOptionsNew(opt)
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{setOptions(opt);interfaceUpdate();};function disableCrop()
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{options.disabled=true;Selection.disableHandles();Selection.setCursor('default');Tracker.setCursor('default');};function enableCrop()
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{options.disabled=false;interfaceUpdate();};function cancelCrop()
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{Selection.done();Tracker.activateHandlers(null,null);};function destroy()
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{$div.remove();$origimg.show();};function interfaceUpdate(alt)
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{options.allowResize?alt?Selection.enableOnly():Selection.enableHandles():Selection.disableHandles();Tracker.setCursor(options.allowSelect?'crosshair':'default');Selection.setCursor(options.allowMove?'move':'default');$div.css('backgroundColor',options.bgColor);if('setSelect'in options){setSelect(opt.setSelect);Selection.done();delete(options.setSelect);}
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if('trueSize'in options){xscale=options.trueSize[0]/boundx;yscale=options.trueSize[1]/boundy;}
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xlimit=options.maxSize[0]||0;ylimit=options.maxSize[1]||0;xmin=options.minSize[0]||0;ymin=options.minSize[1]||0;if('outerImage'in options)
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{$img.attr('src',options.outerImage);delete(options.outerImage);}
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Selection.refresh();};$hdl_holder.hide();interfaceUpdate(true);var api={animateTo:animateTo,setSelect:setSelect,setOptions:setOptionsNew,tellSelect:tellSelect,tellScaled:tellScaled,disable:disableCrop,enable:enableCrop,cancel:cancelCrop,focus:KeyManager.watchKeys,getBounds:function(){return[boundx*xscale,boundy*yscale];},getWidgetSize:function(){return[boundx,boundy];},release:Selection.release,destroy:destroy};$origimg.data('Jcrop',api);return api;};$.fn.Jcrop=function(options)
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{function attachWhenDone(from)
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{var loadsrc=options.useImg||from.src;var img=new Image();img.onload=function(){$.Jcrop(from,options);};img.src=loadsrc;};if(typeof(options)!=='object')options={};this.each(function()
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{if($(this).data('Jcrop'))
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{if(options=='api')return $(this).data('Jcrop');else $(this).data('Jcrop').setOptions(options);}
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else attachWhenDone(this);});return this;};})(jQuery); |