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danjesus/Resize.php

Created August 5, 2011 15:00
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Crop Images Method
Raw
crop.html
<html>
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.0/jquery.min.js"></script>
</head>
<body>
<div class="cadastro">
<h2> Cadastramento de News - Redimensionamento de Imagens </h2>
<h3>Clique na foto e arraste para selecionar a área que deseja </h3>
<img src="<?= anchor($news['original_image']) ?>" style="float: left; margin-right: 10px;" id="thumbnail" alt="Create Thumbnail"/>
<form action="<?= anchor("controlador/crop/{$news['id']}/{$currentStage}/{$nextStage}/{$folder}/{$cropWidth}/{$cropHeight}")?>" method="post" onsubmit="return checkCoords();">
<input type="hidden" id="x" name="x" />
<input type="hidden" id="y" name="y" />
<input type="hidden" id="w" name="w" />
<input type="hidden" id="h" name="h" />
<input type="hidden" id="image" name="image" value="<?= $news['original_image'] ?>" />
<input type="hidden" name="go" id="go" value="go"/>
<button type="submit" class="button medium red" > Recortar Imagem </button>
</form>
</div>
</body>
<script type="text/javascript" src="js/jquery.jcrop.js"></script>
<script type="text/javascript">
$(function(){
cropArea('thumbnail',<?= $cropWidth?>,<?= $cropHeight?>);
})
</script>
</html>
Raw
crop.js
// Crop Functions -
function updateCoords(c){
$("#x").val(c.x);
$("#y").val(c.y);
$("#w").val(c.w);
$("#h").val(c.h);
}
function checkCoords(){
if (parseInt($("#w").val())) return true;
alert('Please select a crop region');
return false;
}
// Our simple event handler, called from onChange and onSelect
// event handlers, as per the Jcrop invocation above
function showPreview(coords)
{
if (parseInt(coords.w) > 0)
{
updateCoords(coords);
}
}
function cropArea(field, areaw,areah){
$("#"+field).Jcrop({
bgColor: 'black',
bgOpacity: .5,
onChange: showPreview,
onSelect: showPreview,
aspectRatio: areaw/areah
});
}
Raw
crop.php
public function crop($id = NULL, $currentStage, $nextStage, $folder, $cropWidth = NULL, $cropHeight = NULL) {
if ($this->user->isAuthenticated) {
$news = LDB::GetSingle('news', $id);
$this->load_view('news/crop', array('news' => $news, 'currentStage' => $currentStage, 'nextStage' => $nextStage, 'folder' => $folder, 'cropWidth' => $cropWidth, 'cropHeight' => $cropHeight));
if (isset($_POST['go'])) {
$x = clear($_POST['x']);
$y = clear($_POST['y']);
$w = clear($_POST['w']);
$h = clear($_POST['h']);
$image = explode('.', clear($_POST['image']));
$dWidth = $cropWidth;
$dHeight = $cropHeight;
$resize = new resize($image[0] . '.' . $image[1]);
//$large_resize -> resizeImage(800,600,'crop',$x,$y,$dWidth, $dHeight);
$resize->crop($dWidth, $dHeight, $x, $y, $w, $h);
$path_image = APP_UPLOADS . "/{$folder}/" . uniqid() . "." . $image[1];
if ($resize->saveImage($path_image, APP_IMAGE_QUALITY)) {
// Update database with new image
if ($folder == "large") {
$data = array('large_image' => $path_image);
$newsID = LDB::Update('news', $data, $id);
} else {
$data = array('small_image' => $path_image);
$newsID = LDB::Update('news', $data, $id);
}
$this->session->writeFlash('sucessMessage', 'Ação Crop realizada com sucesso! ');
if ($nextStage == "news") {
$this->redirect("news/");
} else {
$this->redirect("news/crop{$nextStage}/$id");
}
}
}
} else {
$this->session->writeFlash('errorMessage', 'Você precisa estar logado para executar esta seção');
$this->redirect('users/login');
}
}
public function crop2($id = NULL) {
if ($this->user->isAuthenticated) {
$this->redirect("news/crop/{$id}/2/news/small/287/205");
} else {
$this->session->writeFlash('errorMessage', 'Você precisa estar logado para executar esta seção');
$this->redirect('users/login');
}
}
Raw
jquery.jcrop.js
/**
* jquery.Jcrop.js v0.9.8
* jQuery Image Cropping Plugin
* @author Kelly Hallman <[email protected]>
* Copyright (c) 2008-2009 Kelly Hallman - released under MIT License {{{
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
* }}}
*/
(function($) {
$.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);
Raw
Resize.php
<?php
# ========================================================================#
#
# Author: Jarrod Oberto
# Version: 1.0
# Date: 17-Jan-10
# Purpose: Resizes and saves image
# Requires : Requires PHP5, GD library.
# Usage Example:
# include("classes/resize_class.php");
# $resizeObj = new resize('images/cars/large/input.jpg');
# $resizeObj -> resizeImage(150, 100, 0);
# $resizeObj -> saveImage('images/cars/large/output.jpg', 100);
#
#
# ========================================================================#
Class resize
{
// *** Class variables
public $image;
private $width;
private $height;
public $imageResized;
function __construct($fileName)
{
// *** Open up the file
$this->image = $this->openImage($fileName);
// *** Get width and height
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
}
## --------------------------------------------------------
private function openImage($file)
{
// *** Get extension
$extension = strtolower(strrchr($file, '.'));
switch($extension)
{
case '.jpg':
case '.jpeg':
case '.pjpeg':
$img = @imagecreatefromjpeg($file);
break;
case '.gif':
$img = @imagecreatefromgif($file);
break;
case '.png':
$img = @imagecreatefrompng($file);
break;
default:
$img = false;
break;
}
return $img;
}
## --------------------------------------------------------
public function resizeImage($newWidth, $newHeight, $option="auto", $cropX = NULL, $cropY = NULL, $dWidth = NULL , $dHeight = NULL)
{
// *** Get optimal width and height - based on $option
$optionArray = $this->getDimensions($newWidth, $newHeight, $option);
$optimalWidth = $optionArray['optimalWidth'];
$optimalHeight = $optionArray['optimalHeight'];
// *** Resample - create image canvas of x, y size
$this->imageResized = imagecreatetruecolor($optimalWidth, $optimalHeight);
imagecopyresampled($this->imageResized, $this->image, 0, 0, 0, 0, $optimalWidth, $optimalHeight, $this->width, $this->height);
}
## --------------------------------------------------------
private function getDimensions($newWidth, $newHeight, $option)
{
switch ($option)
{
case 'exact':
$optimalWidth = $newWidth;
$optimalHeight= $newHeight;
break;
case 'portrait':
$optimalWidth = $this->getSizeByFixedHeight($newHeight);
$optimalHeight= $newHeight;
break;
case 'landscape':
$optimalWidth = $newWidth;
$optimalHeight= $this->getSizeByFixedWidth($newWidth);
break;
case 'auto':
$optionArray = $this->getSizeByAuto($newWidth, $newHeight);
$optimalWidth = $optionArray['optimalWidth'];
$optimalHeight = $optionArray['optimalHeight'];
break;
case 'crop':
$optionArray = $this->getOptimalCrop($newWidth, $newHeight);
$optimalWidth = $optionArray['optimalWidth'];
$optimalHeight = $optionArray['optimalHeight'];
break;
}
return array('optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight);
}
## --------------------------------------------------------
private function getSizeByFixedHeight($newHeight)
{
$ratio = $this->width / $this->height;
$newWidth = $newHeight * $ratio;
return $newWidth;
}
private function getSizeByFixedWidth($newWidth)
{
$ratio = $this->height / $this->width;
$newHeight = $newWidth * $ratio;
return $newHeight;
}
private function getSizeByAuto($newWidth, $newHeight)
{
if ($this->height < $this->width)
// *** Image to be resized is wider (landscape)
{
$optimalWidth = $newWidth;
$optimalHeight= $this->getSizeByFixedWidth($newWidth);
}
elseif ($this->height > $this->width)
// *** Image to be resized is taller (portrait)
{
$optimalWidth = $this->getSizeByFixedHeight($newHeight);
$optimalHeight= $newHeight;
}
else
// *** Image to be resizerd is a square
{
if ($newHeight < $newWidth) {
$optimalWidth = $newWidth;
$optimalHeight= $this->getSizeByFixedWidth($newWidth);
} else if ($newHeight > $newWidth) {
$optimalWidth = $this->getSizeByFixedHeight($newHeight);
$optimalHeight= $newHeight;
} else {
// *** Sqaure being resized to a square
$optimalWidth = $newWidth;
$optimalHeight= $newHeight;
}
}
return array('optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight);
}
## --------------------------------------------------------
private function getOptimalCrop($newWidth, $newHeight)
{
$heightRatio = $this->height / $newHeight;
$widthRatio = $this->width / $newWidth;
if ($heightRatio < $widthRatio) {
$optimalRatio = $heightRatio;
} else {
$optimalRatio = $widthRatio;
}
$optimalHeight = $this->height / $optimalRatio;
$optimalWidth = $this->width / $optimalRatio;
return array('optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight);
}
## --------------------------------------------------------
public function crop($frameWidth, $frameHeight, $cropStartX, $cropStartY, $cropWidth, $cropHeight)
{
//Crop and asjusts images
$cropped = imagecreatetruecolor($cropWidth, $cropHeight);
$frame = imagecreatetruecolor($frameWidth, $frameHeight);
// from: original @ cropX,cropY-cropW,cropH
// to: cropped @ 0,0,cropW,cropH
imagecopyresampled($cropped, $this->image, 0, 0, $cropStartX, $cropStartY, $cropWidth, $cropHeight, $cropWidth, $cropHeight);
// from: cropped @ 0,0,cropW,cropH
// to: resized @ 0,0,frameW,frameH
imagecopyresampled($frame, $cropped, 0, 0, 0, 0, $frameWidth, $frameHeight, $cropWidth, $cropHeight);
$this->imageResized = $frame;
}
## --------------------------------------------------------
public function saveImage($savePath, $imageQuality="100")
{
// *** Get extension
$extension = strrchr($savePath, '.');
$extension = strtolower($extension);
switch($extension)
{
case '.jpg':
case '.jpeg':
case '.pjpeg':
if (imagetypes() & IMG_JPG) {
imagejpeg($this->imageResized, $savePath, $imageQuality);
}
break;
case '.gif':
if (imagetypes() & IMG_GIF) {
imagegif($this->imageResized, $savePath);
}
break;
case '.png':
// *** Scale quality from 0-100 to 0-9
$scaleQuality = round(($imageQuality/100) * 9);
// *** Invert quality setting as 0 is best, not 9
$invertScaleQuality = 9 - $scaleQuality;
if (imagetypes() & IMG_PNG) {
imagepng($this->imageResized, $savePath, $invertScaleQuality);
}
break;
// ... etc
default:
// *** No extension - No save.
break;
}
imagedestroy($this->imageResized);
return true;
}
## --------------------------------------------------------
}
?>
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