|
JScript code//图片切割!Z%A/P3m'@'T#I3U
var ImgCropper = Class.create();
.L&[$H:U!L2z1vImgCropper.prototype = {
:U/V%g"[&z:@ //容器对象,拖放缩放对象,图片地址,宽度,高度
.w8S Z5o&F8P'M#B initialize: function(container, drag, url, width, height, options) {tech.techweb.com.cn(E6S;s*u!M
var oThis = this;5h!v1?,s!O9t
8|:[,@%~9t;K!`3t&k
//容器对象程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛"x0@4e3o4I
this.Container = $(container);)J0B(j-Q.@8r7W%p
this.Container.style.position = "relative";
%i(O+U)T$V(Z5h8E(jTechWeb-技术社区 this.Container.style.overflow = "hidden";)Y G*\.l,{
+V1{#W9k0@ ` //拖放对象
.C-s)M)z(L9v!E程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 this.Drag = $(drag);.g(~*m!G,I*b'J ?
this.Drag.style.cursor = "move";
/Q+d2p-I'y$C)R2Ctech.techweb.com.cn this.Drag.style.zIndex = 200;;o"V5O0r(p0[1w
if(isIE){程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛-A6I)R*g3H6r
//设置overflow解决ie6的渲染问题(缩放时填充对象高度的问题)
'b,J.V8~)x:~9L$C,Gtech.techweb.com.cn this.Drag.style.overflow = "hidden";
4r;N"_#B"b-T8A3d&T,I程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 //ie下用一个透明的层填充拖放对象 不填充的话onmousedown会失效(未知原因)
2z6i/|8@'l2{ (function(style){
/[*U5n*H5J&G |6atech.techweb.com.cn style.width = style.height = "100%"; style.backgroundColor = "#fff"; style.filter = "alpha(opacity:0)";&W4^0J4@*`/S7f/Z
})(this.Drag.appendChild(document.createElement("div")).style)5C-O-@;U+Q
}else{
6O&d$Q'p6Y C+w)Y2A3n/\${TechWeb-技术社区 //插入字符解决ff下捕获失效的问题程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛,Y:E"d'H&p8j ?,x9V
this.Drag.innerHTML += "<font size='1px'> </font>";TechWeb-技术社区5y%b#[9R7Q8T"Q!n
}
8T*L)l6h$n*n;~(Q
2c&v$Y$|#H+Y&H程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 this._pic = this.Container.appendChild(document.createElement("img"));//图片对象
)I:L+}3c5A0@ I程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 this._cropper = this.Container.appendChild(document.createElement("img"));//切割对象*Z6Q&V$u1F4^,V5D3?
this._pic.style.position = this._cropper.style.position = "absolute";
#Y0r"{7S1k%A)Vtech.techweb.com.cn this._pic.style.top = this._pic.style.left = this._cropper.style.top = this._cropper.style.left = "0";//对齐
.c3f;Z/P5h+n'O!e this._cropper.style.zIndex = 100;
0L,k0l:y M/{*T2| this._cropper.onload = function(){ oThis.SetPos(); }TechWeb-技术社区*y'H/y9O4Y8i S
;W*g9m2Z8u S$W1O this.Url = url;//图片地址tech.techweb.com.cn7R(M&w&j&x&{*U+f!r
this.Width = parseInt(width);//宽度
/n)a6o"Q$d.r1\9Itech.techweb.com.cn this.Height = parseInt(height);//高度
9A%G&]!n!H"v !x+{"f I/m"q8~!S1D;o
this.SetOptions(options);3n7W*s Y/j
*S$O!G&e9Y9z$m([+D
this.Opacity = parseInt(this.options.Opacity);
%E;r3t/D:i3C(a this.dragTop = parseInt(this.options.dragTop);;s0i9Z;C;W'C
this.dragLeft = parseInt(this.options.dragLeft);%y/w#a&B;h+q/W']3B
this.dragWidth = parseInt(this.options.dragWidth);!F!`.J-k&c*F
this.dragHeight = parseInt(this.options.dragHeight);
1I&l&B;g,` "d-e3c-v!@3h(~:l(u
//设置预览对象
6{,Z'\$^:\+Q)Y6x this.View = $(this.options.View) || null;//预览对象,x1r%E1k2`0T.?
this.viewWidth = parseInt(this.options.viewWidth);TechWeb-技术社区2`7N*y-V*Y8R
this.viewHeight = parseInt(this.options.viewHeight);TechWeb-技术社区)s0U9C4}3T%`
this._view = null;//预览图片对象
7_,C7~8r,\"~:B程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 if(this.View){tech.techweb.com.cn&L+|!J$v(`9u8g7k
this.View.style.position = "relative";
2S.z0o9V7B.d程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 this.View.style.overflow = "hidden";
"Z ]/c$u7a8Q |tech.techweb.com.cn this._view = this.View.appendChild(document.createElement("img"));
)W$q'[*D7H'_)tTechWeb-技术社区 this._view.style.position = "absolute";TechWeb-技术社区5P&H8@4d v#{&O0G,t#u
}.N7I%C5n1u2|%f
)p i:I3Z6n4C8n
this.Scale = parseInt(this.options.Scale);6Z1\.v7t6u/l6r2P3}!z
0R3o p4o#D6X!ytech.techweb.com.cn //设置拖放
'H5w5g/W1t+_ this._drag = new Drag(this.Drag, this.Drag, { Limit: true, onMove: function(){ oThis.SetPos(); } });
;]%Y3_#x'M&g4?TechWeb-技术社区 //设置缩放tech.techweb.com.cn3b7A1a0Y3~:@
this._resize = this.GetResize();
4_5p A#O _/[6R-@ .w/N(D#Z"q#[
this.Init();8h2c'p']*Q1J7p2N*D&B
},
(p r)W1^5h,Itech.techweb.com.cn //设置默认属性-F n2y0p/J.{/S"^
SetOptions: function(options) {7A l7R!h2t
this.options = {//默认值
+r:?$E"r0H5W3s Opacity: 50,//透明度(0到100) TechWeb-技术社区2Z!y.J$K!X$x"y9d+?!p
//拖放位置和宽高
9[6X&f"A/g2u;c5K程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 dragTop: 0,
1B&G ?8['O5F/\1stech.techweb.com.cn dragLeft: 0,#|5o,D,e({!z ?5g
dragWidth: 100,tech.techweb.com.cn0N!C5}5{0y/Y6w8[,r,T3G9v.R
dragHeight: 100,程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛.V$A/O8P3p9F6G)B
//缩放触发对象
)N:s5?$b(E$~$a&Q Right: "",
8Z6G*V:h&O Left: "",tech.techweb.com.cn$^#l1h!^.@9w3X9b
Up: "",
)A0@-f4f4f程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 Down: "",
%T t l)X-{.x/|:^)e RightDown: "",4Y"};D%G4Q6l#H%g
LeftDown: "", |4A!P)H"z.[5U
RightUp: "",
:J.L6_;V)t&]'e.N&Wtech.techweb.com.cn LeftUp: "",
6k6^#?0f,m;s%VTechWeb-技术社区 Scale: false,//是否按比例缩放
&P2P#e3M:H*D)B;T#s //预览对象设置
9c/@;Q0[1|!J,J3Z5HTechWeb-技术社区 View: "",//预览对象3a9o2a/K*Y.C(K4{%a
viewWidth: 100,//预览宽度TechWeb-技术社区4R8N$_$_;N;h7Q \
viewHeight: 100//预览高度
2r7G _2z-E)[/C$c };%v*v,m:E4L;A:z w(I(r&|
Object.extend(this.options, options || {});%r-c8o4V3@!r
},3D(y1r&`%_.g
//初始化对象
'u#r6y#@(G4m1v(`程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 Init: function() {程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛3w8B5S#\;K1P!j.v6J
var oThis = this;1G(O)l.u!r!_*C3D"F4Q
TechWeb-技术社区&o'Z5G(H"I0j%G
//设置容器
9{.N'h&Q.s%T程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 this.Container.style.width = this.Width + "px";/y3a'P.D%r7a)_
this.Container.style.height = this.Height + "px";
z1e0K C4Vtech.techweb.com.cn 8q1r"o5?8E#b+n6b
//设置拖放对象0R;I'x'i%J7r4n.C
this.Drag.style.top = this.dragTop + "px";*h!`-N4~(P
this.Drag.style.left = this.dragLeft + "px";
-?0T5m,e1c1H)a0G&E,b%I kTechWeb-技术社区 this.Drag.style.width = this.dragWidth + "px";!l#~2a1s:B.|1o1u(`
this.Drag.style.height = this.dragHeight + "px";
"S([7I#u/K)Y8D8y-F%X .~.c(i-p&]
//设置切割对象$B,D0R2S-{$H0m
this._pic.src = this._cropper.src = this.Url;
%s*K)Y7W7T!` this._pic.style.width = this._cropper.style.width = this.Width + "px";
5])R(C2h0`8C3|3o"|+P this._pic.style.height = this._cropper.style.height = this.Height + "px";
$X#}9n'S:I$K1c:k8C;C4d0~ if(isIE){程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛!w3p4p/n4R:h
this._pic.style.filter = "alpha(opacity:" + this.Opacity + ")";TechWeb-技术社区3e&E"d2J6U9o-\
} else {tech.techweb.com.cn4c#K$q(S8Y$C
this._pic.style.opacity = this.Opacity / 100;
*],u+N#m:u1[2c&`8K }
'i%~4d-_2a#S"K&r:H%M
.M+i;N-i9T$s7H4T"R //设置预览对象
3s+y(t)X:S-C程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 if(this.View){ this._view.src = this.Url; }
;\.Y2I0i6uTechWeb-技术社区 -C(N3f9Q O0x4b
//设置拖放程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛5Q'@4B6t7C
this._drag.mxRight = this.Width; this._drag.mxBottom = this.Height;-~+{,`$d \9t
//设置缩放程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛#\9x \"?0i:Y-h%W,Y)x.R
if(this._resize){ this._resize.mxRight = this.Width; this._resize.mxBottom = this.Height; this._resize.Scale = this.Scale; }TechWeb-技术社区-H#u(x,Z W#b4d&p
},TechWeb-技术社区-_"I'D*w!W,c,_
//设置获取缩放对象
$W9[-^ d!P2w9b*p GetResize: function() {
#h'^0@2S#D'U&n)~,^#_TechWeb-技术社区 var op = this.options;!J4U-@ y"N$a,E
//有触发对象时才设置
:W8|.k,b _:o&V ftech.techweb.com.cn if(op.RightDown || op.LeftDown || op.RightUp || op.LeftUp || op.Right || op.Left || op.Up || op.Down ){
,}1[0Z;}9M Itech.techweb.com.cn var oThis = this, _resize = new Resize(this.Drag, { Limit: true, onResize: function(){ oThis.SetPos(); } });程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛%\)A%d U9K)A F
&Z'n6X3t.[
//设置缩放触发对象4h7{0m0]!L!e
if(op.RightDown){ _resize.Set(op.RightDown, "right-down"); }
[3@6j&D8C-g if(op.LeftDown){ _resize.Set(op.LeftDown, "left-down"); }
;M6U!h;e._ H tech.techweb.com.cn)w9Z4k$W,m
if(op.RightUp){ _resize.Set(op.RightUp, "right-up"); }'k+H5a9h e;{:B
if(op.LeftUp){ _resize.Set(op.LeftUp, "left-up"); }
?:J/M'S%Q%H!e)l TechWeb-技术社区:o-T1@9N5R+J-^1w
if(op.Right){ _resize.Set(op.Right, "right"); }/Y+K-d2j6p
if(op.Left){ _resize.Set(op.Left, "left"); }
-^:?'y!v9t+Y:Z%Q(B8m)ETechWeb-技术社区 2{9k&L!L8O:T0?9`"s#[
if(op.Up){ _resize.Set(op.Up, "up"); }tech.techweb.com.cn0Y&u/U!^;@$c;E"Z
if(op.Down){ _resize.Set(op.Down, "down"); }
'Q%B1Z-\)V+V
*l)@4q9c2D%q2Y,k1I return _resize;4B+],L!\*L:T4q1O4l9k,C:c$e%}
} else { return null; }
5D6N&R(H.?3o/k9z-@$F Z },
"x4F5j*l'j.u%f //设置切割
9|,Y5B:I5E:P,j8^8x SetPos: function() {2b&x2|7a"O%R u"s
var o = this.Drag;
'E7w2M9`$D0r$W1tTechWeb-技术社区 //按拖放对象的参数进行切割(n)E/^!F7g;S.[9G!P2Z
this._cropper.style.clip = "rect(" + o.offsetTop + "px " + (o.offsetLeft + o.offsetWidth) + "px " + (o.offsetTop + o.offsetHeight) + "px " + o.offsetLeft + "px)";tech.techweb.com.cn9l9g,^:M4B9m
//切割预览
)w9D4V9V;b+o/R.R if(this.View) this.PreView();程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛*y9H&n$E+O#g
}, tech.techweb.com.cn*k })I4t4^8D+Z4G
//切割预览
8^;F-U1u&Z7H程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 PreView: function() {
"_/k:H#h&|+t.J+d3l,r //按比例设置宽度和高度
&i X.I-i+n+o var o = this.Drag, h = this.viewWidth, w = h * o.offsetWidth / o.offsetHeight;
-_%O&t3}+K#f$s:\5w"LTechWeb-技术社区 if(w > this.viewHeight){ w = this.viewHeight; h = w * o.offsetHeight / o.offsetWidth; }
-s9p6l2D.`/a9|%~程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 //获取对应比例尺寸程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛*P&e2y"X2~3v9c&b
var scale = h / o.offsetHeight, ph = this.Height * scale, pw = this.Width * scale, pt = o.offsetTop * scale, pl = o.offsetLeft * scale, styleView = this._view.style;
:N m.m4P0A'N)T5atech.techweb.com.cn //设置样式
$v;h-d7b0q6n6t0{)g6y/l styleView.width = pw + "px"; styleView.height = ph + "px"; q M0N)~7?2o3?
styleView.top = - pt + "px "; styleView.left = - pl + "px";+W/q)_*w#t-{%S
//切割预览图'a9v,N:t3B9b9z:e5P;@1V&d
styleView.clip = "rect(" + pt + "px " + (pl + w) + "px " + (pt + h) + "px " + pl + "px)";
5~4\-V's,X.u7m };t,O2O'n"e;k%~7^%c
}
|
