.jcrop-holder
{
text-align: left;
}
.jcrop-vline, .jcrop-hline
{
font-size: 0;
position: absolute;
background: white url('../images/Jcrop.gif') top
left repeat;
/*
opacity:
.5;
*filter:alpha(opacity=50);
*/
}
.jcrop-vline { height:
100%; width: 1px !important; }
.jcrop-hline { width:
100%; height: 1px !important; }
.jcrop-handle {
font-size: 1px;
width: 7px !important;
height: 7px !important;
border: 1px #eee solid;
background-color: #333;
*width: 9px;
*height: 9px;
}
.jcrop-tracker {
*background-color: gray;
width: 100%; height: 100%;
}
.custom .jcrop-vline,
.custom .jcrop-hline
{
background: yellow;
}
.custom .jcrop-handle
{
border-color: black;
background-color: #C7BB00;
-moz-border-radius: 3px;
-webkit-border-radius: 3px;
}
.coor
{
width:30px;
}
crop.js
function Init() {
$(function() {
$('#originalImage').Jcrop({
onChange: showCoords,
onSelect: showCoords
});
});
// Patch for IE to force "overflow: auto;"
document.getElementById("imgContainer").style["position"] = "relative";
}
function showCoords(c) {
$('#x1').val(c.x);
$('#y1').val(c.y);
$('#x2').val(c.x2);
$('#y2').val(c.y2);
$('#w').val(c.w);
$('#h').val(c.h);
};
function ValidateSelected() {
if (document.getElementById("w").value
== "" || document.getElementById("w").value == "0"
||
document.getElementById("h").value
== "" || document.getElementById("h").value == "0")
{
alert("No area to crop was
selected");
return false;
}
}
jcrop.js
/**
* jquery.Jcrop.js v0.9.8
* jQuery Image Cropping Plugin
* @author Kelly Hallman
<khallman@gmail.com>
* Copyright (c) 2008-2009 Kelly Hallman -
released under MIT License {{{
*
* Permission is hereby granted, free of
charge, to any person
* obtaining a copy of this software and
associated documentation
* files (the "Software"), to deal in
the Software without
* restriction, including without limitation
the rights to use,
* copy, modify, merge, publish, distribute,
sublicense, and/or sell
* copies of the Software, and to permit
persons to whom the
* Software is furnished to do so, subject to
the following
* conditions:
* The above copyright notice and this
permission notice shall be
* included in all copies or substantial
portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS",
WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
* }}}
*/
(function($) {
$.Jcrop = function(obj,opt)
{
// Initialization {{{
// Sanitize some options {{{
var obj = obj, opt = opt;
if (typeof(obj) !== 'object') obj = $(obj)[0];
if (typeof(opt) !== 'object') opt = { };
// Some on-the-fly fixes for MSIE...sigh
if (!('trackDocument'
in opt))
{
opt.trackDocument
= $.browser.msie ? false : true;
if ($.browser.msie &&
$.browser.version.split('.')[0] == '8')
opt.trackDocument
= true;
}
if (!('keySupport' in opt))
opt.keySupport
= $.browser.msie ? false : true;
// }}}
// Extend the default options {{{
var defaults = {
// Basic Settings
trackDocument: false,
baseClass: 'jcrop',
addClass: null,
// Styling Options
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 ],
// Callbacks / Event Handlers
onChange:
function() { },
onSelect:
function() { }
};
var options = defaults;
setOptions(opt);
// }}}
// Initialize some jQuery objects {{{
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)
$div.addClass(options.addClass);
//$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 $trk =
newTracker().width(boundx+(bound*2)).height(boundy+(bound*2))
.css({
position: 'absolute', top: px(-bound), left:
px(-bound), zIndex: 290 })
.mousedown(newSelection);
/* }}} */
// Set more variables {{{
var xlimit, ylimit, xmin, ymin;
var xscale, yscale, enabled = true;
var docOffset = getPos($img),
// Internal states
btndown,
lastcurs, dimmed, animating,
shift_down;
// }}}
// }}}
// Internal Modules {{{
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) return
getRect();
// This function could use some optimization I think...
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 }
if (max_y == 0) { max_y = boundy * 10 }
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;
}
}
// Magic %-)
if(xx > x1) { //
right side
if(xx - x1
< min_x) {
xx
= x1 + min_x;
} else if (xx - x1 > max_x) {
xx
= x1 + max_x;
}
if(yy >
y1) {
yy
= y1 + (xx - x1)/aspect;
} else {
yy
= y1 - (xx - x1)/aspect;
}
}
else if (xx
< x1) { // left side
if(x1 - xx
< min_x) {
xx = x1 - min_x
} else if (x1 - xx > max_x) {
xx
= x1 - max_x;
}
if(yy >
y1) {
yy
= y1 + (x1 - xx)/aspect;
} else {
yy
= y1 - (x1 - xx)/aspect;
}
}
if(xx < 0) {
x1
-= xx;
xx
= 0;
}
else if (xx > boundx) {
x1
-= xx - boundx;
xx
= boundx;
}
if(yy < 0) {
y1
-= yy;
yy
= 0;
}
else if (yy > boundy) {
y1
-= yy - boundy;
yy
= boundy;
}
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;
/* Insert draggable elements {{{*/
// Insert border divs for outline
if (options.drawBorders) {
borders
= {
top:
insertBorder('hline')
.css('top',$.browser.msie?px(-1):px(0)),
bottom:
insertBorder('hline'),
left:
insertBorder('vline'),
right:
insertBorder('vline')
};
}
// Insert handles on edges
if (options.dragEdges) {
handle.t
= insertDragbar('n');
handle.b
= insertDragbar('s');
handle.r
= insertDragbar('e');
handle.l
= insertDragbar('w');
}
// Insert side handles
options.sideHandles
&&
createHandles(['n','s','e','w']);
// Insert corner handles
options.cornerHandles
&&
createHandles(['sw','nw','ne','se']);
/*}}}*/
// Private Methods
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 c = Coords.getFixed();
Coords.setPressed([c.x,c.y]);
Coords.setCurrent([c.x2,c.y2]);
updateVisible();
};
/*}}}*/
// Internal Methods
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 showHandles()//{{{
{
if (seehandles)
{
moveHandles(Coords.getFixed());
$hdl_holder.show();
}
};
//}}}
function enableHandles()/*{{{*/
{
seehandles
= true;
if (options.allowResize)
{
moveHandles(Coords.getFixed());
$hdl_holder.show();
return true;
}
};
/*}}}*/
function disableHandles()/*{{{*/
{
seehandles
= false;
$hdl_holder.hide();
};
/*}}}*/
function animMode(v)/*{{{*/
{
(animating
= v) ? disableHandles(): enableHandles();
};
/*}}}*/
function done()/*{{{*/
{
animMode(false);
refresh();
};
/*}}}*/
var $track = newTracker().mousedown(createDragger('move'))
.css({
cursor: 'move', position: 'absolute', zIndex: 360 })
$img_holder.append($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()/*{{{*/
{
var onMove =
function() { },
onDone = function()
{ },
trackDoc = options.trackDocument;
if (!trackDoc)
{
$trk
.mousemove(trackMove)
.mouseup(trackUp)
.mouseout(trackUp)
;
}
function toFront()/*{{{*/
{
$trk.css({zIndex:450});
if (trackDoc)
{
$(document)
.mousemove(trackMove)
.mouseup(trackUp)
;
}
}
/*}}}*/
function toBack()/*{{{*/
{
$trk.css({zIndex:290});
if (trackDoc)
{
$(document)
.unbind('mousemove',trackMove)
.unbind('mouseup',trackUp)
;
}
}
/*}}}*/
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' })
.keypress(parseKey)
.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 doNudge(e,x,y)/*{{{*/
{
if (options.allowMove) {
Coords.moveOffset([x,y]);
Selection.updateVisible();
};
e.preventDefault();
e.stopPropagation();
};
/*}}}*/
function parseKey(e)/*{{{*/
{
if (e.ctrlKey) return
true;
shift_down
= e.shiftKey ? true : false;
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 nothing(e);
};
/*}}}*/
if (options.keySupport) $keywrap.insertBefore($img);
return {
watchKeys:
watchKeys
};
}();
/*}}}*/
// }}}
// Internal Methods {{{
function px(n) { return
'' + parseInt(n) + 'px';
};
function pct(n) { return
'' + parseInt(n) + '%';
};
function cssClass(cl) { return
options.baseClass + '-' + cl; };
function getPos(obj)/*{{{*/
{
// Updated in v0.9.4 to use built-in dimensions plugin
var pos = $(obj).offset();
return [ pos.left, pos.top ];
};
/*}}}*/
function mouseAbs(e)/*{{{*/
{
return [ (e.pageX - docOffset[0]), (e.pageY -
docOffset[1]) ];
};
/*}}}*/
function myCursor(type)/*{{{*/
{
if (type != lastcurs)
{
Tracker.setCursor(type);
//Handles.xsetCursor(type);
lastcurs
= type;
}
};
/*}}}*/
function startDragMode(mode,pos)/*{{{*/
{
docOffset
= getPos($img);
Tracker.setCursor(mode=='move'?mode:mode+'-resize');
if (mode == 'move')
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)/*{{{*/
{
return function(pos)
{
if (!options.aspectRatio) 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) {
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)/*{{{*/
{
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;
$obj.width(nw).height(nh);
};
/*}}}*/
function unscale(c)/*{{{*/
{
return {
x:
parseInt(c.x * xscale), y: parseInt(c.y * yscale),
x2:
parseInt(c.x2 * xscale), y2: parseInt(c.y2 * yscale),
w:
parseInt(c.w * xscale), h: parseInt(c.h * yscale)
};
};
/*}}}*/
function doneSelect(pos)/*{{{*/
{
var c = Coords.getFixed();
if (c.w > options.minSelect[0] && c.h >
options.minSelect[1])
{
Selection.enableHandles();
Selection.done();
}
else
{
Selection.release();
}
Tracker.setCursor(
options.allowSelect?'crosshair':'default' );
};
/*}}}*/
function newSelection(e)/*{{{*/
{
if (options.disabled) return
false;
if (!options.allowSelect) return
false;
btndown
= true;
docOffset
= getPos($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)/*{{{*/
{
Coords.setCurrent(pos);
Selection.update();
};
/*}}}*/
function newTracker()
{
var trk = $('<div></div>').addClass(cssClass('tracker'));
$.browser.msie
&& trk.css({ opacity: 0, backgroundColor: 'white'
});
return trk;
};
// }}}
// API methods {{{
function animateTo(a)/*{{{*/
{
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()
{
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;
setSelectRaw(animat);
};
}();
function animateStart()
{
window.setTimeout(animator,interv); };
animateStart();
};
/*}}}*/
function setSelect(rect)//{{{
{
setSelectRaw([rect[0]/xscale,rect[1]/yscale,rect[2]/xscale,rect[3]/yscale]);
};
//}}}
function setSelectRaw(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);
interfaceUpdate();
};
/*}}}*/
function disableCrop()//{{{
{
options.disabled
= true;
Selection.disableHandles();
Selection.setCursor('default');
Tracker.setCursor('default');
};
//}}}
function enableCrop()//{{{
{
options.disabled
= false;
interfaceUpdate();
};
//}}}
function cancelCrop()//{{{
{
Selection.done();
Tracker.activateHandlers(null,null);
};
//}}}
function destroy()//{{{
{
$div.remove();
$origimg.show();
};
//}}}
function interfaceUpdate(alt)//{{{
// This method tweaks the interface based on options
object.
// Called when options are changed and at end of
initialization.
{
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);
}
if ('trueSize' in options) {
xscale
= options.trueSize[0] / boundx;
yscale
= options.trueSize[1] / boundy;
}
xlimit
= options.maxSize[0] || 0;
ylimit
= options.maxSize[1] || 0;
xmin
= options.minSize[0] || 0;
ymin
= options.minSize[1] || 0;
if ('outerImage' in options)
{
$img.attr('src',options.outerImage);
delete(options.outerImage);
}
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)/*{{{*/
{
function attachWhenDone(from)/*{{{*/
{
var loadsrc = options.useImg || from.src;
var img = new
Image();
img.onload
= function() { $.Jcrop(from,options); };
img.src
= loadsrc;
};
/*}}}*/
if (typeof(options)
!== 'object') options = { };
// Iterate over each object, attach Jcrop
this.each(function()
{
// If we've already attached to this object
if ($(this).data('Jcrop'))
{
// The API can be requested this way (undocumented)
if (options == 'api')
return $(this).data('Jcrop');
// Otherwise, we just reset the options...
else $(this).data('Jcrop').setOptions(options);
}
// If we haven't been attached, preload and attach
else attachWhenDone(this);
});
// Return "this" so we're chainable a la
jQuery plugin-style!
return this;
};
/*}}}*/
})(jQuery);
Default.aspx:
<%@ Page
Language="C#"
AutoEventWireup="true"
CodeFile="Default.aspx.cs"
Inherits="Default"
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD
XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Cropping with jquery & ASP.NET - By Miron
Abramson</title>
<link rel="stylesheet"
href="style/jcrop.css"
type="text/css"
/>
<script src="js/jquery.min.js"
type="text/javascript"></script>
<script src="js/jquery.Jcrop.js"
type="text/javascript"></script>
<script src="js/crop.js"
type="text/javascript"></script>
</head>
<body onload="Init();">
<form id="form1" runat="server">
<table>
<tr>
<td>Original image
<div
style="width: 400px; height: 400px; overflow: auto; border: solid 1px black;
padding: 10px; margin-bottom: 5px;" id="imgContainer">
<img
src="images/miautito.jpg"
alt="My auto"
title="That's my
auto :)" id="originalImage"
/>
</div>
<div>
X1
<input
type="text"
size="4"
id="x1"
name="x1"
class="coor"
readonly="readonly"
/>
Y1
<input type="text" size="4" id="y1" name="y1" class="coor" readonly="readonly" />
X2
<input
type="text"
size="4"
id="x2"
name="x2"
class="coor"
readonly="readonly"
/>
Y2
<input
type="text"
size="4"
id="y2"
name="y2"
class="coor"
readonly="readonly"
/>
W
<input
type="text"
size="4"
id="w"
name="w"
class="coor"
readonly="readonly"
/>
H
<input type="text" size="4" id="h" name="h" class="coor" readonly="readonly" />
</div>
<div>
<asp:Button runat="server"
ID="btnCrop"
OnClick="btnCrop_Click"
Text="Crop"
OnClientClick="return
ValidateSelected();" />
</div>
</td>
<td style="vertical-align:top;">
Cropped image:
<div
style="width: 400px; height: 400px; overflow: auto; border: solid 1px black;
padding: 10px; margin-bottom: 5px;">
<asp:Literal runat="server"
ID="lblCroppedImage"></asp:Literal>
</div>
</td>
</tr>
</table>
</form>
</body>
</html>
Default.aspx.cs
using System;
using System.Web;
using System.Web.UI;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
public partial class Default :
System.Web.UI.Page
{
protected void
btnCrop_Click(object sender, EventArgs e)
{
int X1 = Convert.ToInt32(Request.Form["x1"]);
int Y1 = Convert.ToInt32(Request["y1"]);
int X2 = Convert.ToInt32(Request.Form["x2"]);
int Y2 = Convert.ToInt32(Request.Form["y2"]);
int X = System.Math.Min(X1,
X2);
int Y = System.Math.Min(Y1,
Y2);
int w = Convert.ToInt32(Request.Form["w"]);
int h = Convert.ToInt32(Request.Form["h"]);
// That can be any image type (jpg,jpeg,png,gif) from any
where in the local server
string originalFile = Server.MapPath("~/images/miautito.jpg");
using (Image img =
Image.FromFile(originalFile))
{
using (System.Drawing.Bitmap
_bitmap = new System.Drawing.Bitmap(w, h))
{
_bitmap.SetResolution(img.HorizontalResolution, img.VerticalResolution);
using (Graphics
_graphic = Graphics.FromImage(_bitmap))
{
_graphic.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
_graphic.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
_graphic.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
_graphic.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
_graphic.DrawImage(img, 0, 0, w, h);
_graphic.DrawImage(img, new Rectangle(0, 0, w, h), X, Y, w, h, GraphicsUnit.Pixel);
string extension = Path.GetExtension(originalFile);
string croppedFileName = Guid.NewGuid().ToString();
string path = Server.MapPath("~/cropped/");
// If the image is a gif file, change it into
png
if (extension.EndsWith("gif", StringComparison.OrdinalIgnoreCase))
{
extension = ".png";
}
string newFullPathName = string.Concat(path, croppedFileName, extension);
using (EncoderParameters
encoderParameters = new EncoderParameters(1))
{
encoderParameters.Param[0] = new EncoderParameter(Encoder.Quality,
100L);
_bitmap.Save(newFullPathName, GetImageCodec(extension),
encoderParameters);
}
lblCroppedImage.Text = string.Format("<img src='cropped/{0}' alt='Cropped
image'>", croppedFileName + extension);
}
}
}
}
/// <summary>
/// Find the right codec
/// </summary>
/// <param name="extension"></param>
/// <returns></returns>
public static ImageCodecInfo GetImageCodec(string extension)
{
extension = extension.ToUpperInvariant();
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
foreach (ImageCodecInfo
codec in codecs)
{
if (codec.FilenameExtension.Contains(extension))
{
return codec;
}
}
return codecs[1];
}
}
