|
JScript code//图片切割*{'E2?3x3V7a
var ImgCropper = Class.create();
(@2b5F'u$i,E5i'Q(r程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛ImgCropper.prototype = {%C/\7I%~)x'u'J
//容器对象,拖放缩放对象,图片地址,宽度,高度&H+u2_.O f6C1r4W6]
initialize: function(container, drag, url, width, height, options) {"a"N)T'Q$]#^:~"V2P
var oThis = this;
*{&t3a9c5K*O/g4a'}tech.techweb.com.cn ._"v9O4~ `9~8E0O2o
//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;O(l4{%i'x+U.G
this.Container = $(container);3O4n8^({&[
this.Container.style.position = "relative";tech.techweb.com.cn1d2U:s*H/X"M
this.Container.style.overflow = "hidden";tech.techweb.com.cn4b.c2K#Q8^,X6B1[
:N!e7k6@0A //拖放对象
2D6{/G:U5_"^ this.Drag = $(drag);
{"I;z'T%D$B/t"P this.Drag.style.cursor = "move";
5P'L3i#w.a)m2s)O)O1QTechWeb-技术社区 this.Drag.style.zIndex = 200;1D'?(C/Y)P+{ t9l3?
if(isIE){
._'f;T ~,e4M:M0p-m;w'R //设置overflow解决ie6的渲染问题(缩放时填充对象高度的问题)
$?+L%E*v"^0G7}%B0f&}:r this.Drag.style.overflow = "hidden";
4t"T8a%r6L'w-v+z:Y8^程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 //ie下用一个透明的层填充拖放对象 不填充的话onmousedown会失效(未知原因)tech.techweb.com.cn%f*Q+u2K t+S-S"I
(function(style){
!Z,B&q3t7[%o'R style.width = style.height = "100%"; style.backgroundColor = "#fff"; style.filter = "alpha(opacity:0)";;\!r0^$O#r#j+y'r:n"z
})(this.Drag.appendChild(document.createElement("div")).style)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0t'C4@:X-O
}else{
1O0r9u5Y/G!H6{7L&{ //插入字符解决ff下捕获失效的问题 B.x(P6f!R9M
this.Drag.innerHTML += "<font size='1px'> </font>";
+]7M*Y1d&N1O/[ K%\3_ }
,C1K$J f)C!r!|5T &n/X#c1l*N+h
this._pic = this.Container.appendChild(document.createElement("img"));//图片对象TechWeb-技术社区/H6`8k9_(E+z a3G$t
this._cropper = this.Container.appendChild(document.createElement("img"));//切割对象
'\"N&F/{!S E8E(x this._pic.style.position = this._cropper.style.position = "absolute";.v/V5U1H/g;|7Y
this._pic.style.top = this._pic.style.left = this._cropper.style.top = this._cropper.style.left = "0";//对齐1G%v,b.Z7Z;n+^+K0W6u
this._cropper.style.zIndex = 100;
/A3X3R,H&u*r(M,b this._cropper.onload = function(){ oThis.SetPos(); }
&X1V d X _*D2F#M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 TechWeb-技术社区 [3D%E!S(b3L-D'O
this.Url = url;//图片地址
)|;I'b#P!{;l$x/L this.Width = parseInt(width);//宽度#o:H1O+].V$a"F
this.Height = parseInt(height);//高度
7z9O"?%a,^.?5lTechWeb-技术社区
8O5F2?-T#w5L9W9FTechWeb-技术社区 this.SetOptions(options);
Z!{2B2B;c2t$I tech.techweb.com.cn*z2H"M)[&C.s3B#a6M.q
this.Opacity = parseInt(this.options.Opacity);tech.techweb.com.cn6I"Z7i6S w-N-}+e&p
this.dragTop = parseInt(this.options.dragTop);9V1O1p*O#M1v)R8N;c6B
this.dragLeft = parseInt(this.options.dragLeft); a,Y#U:}1z8n9v7e3T&N3I
this.dragWidth = parseInt(this.options.dragWidth);TechWeb-技术社区1W!c"k-\"I
this.dragHeight = parseInt(this.options.dragHeight);$X9y7c(U4H6v
'@9],F$E;@'^tech.techweb.com.cn //设置预览对象,_'N!F4n&B'X
this.View = $(this.options.View) || null;//预览对象'G5i(H3]*^-z+Y&r
this.viewWidth = parseInt(this.options.viewWidth);tech.techweb.com.cn'Y8w(u-M:^
this.viewHeight = parseInt(this.options.viewHeight);&Q.c#v(@7b5d*X
this._view = null;//预览图片对象
$~+z!z5S9B/}8T if(this.View){
-Z5c:}2M \8{2s-m5B:W%{ this.View.style.position = "relative";
+H&K5a;r0n6T#K+`,gtech.techweb.com.cn this.View.style.overflow = "hidden";
8p*K"j;d8?9e5K7d"Ztech.techweb.com.cn this._view = this.View.appendChild(document.createElement("img"));
/|-N*V8s"I5Q/m3R9LTechWeb-技术社区 this._view.style.position = "absolute";
-E9[+X9s8y9V,K:k.[ }0o5J+_.Z*U0T#U
6A2`-P6|,u3u1p9|9^/i this.Scale = parseInt(this.options.Scale);
,t3y4u U2t)O(l6x3J %K+}9[.K/V
//设置拖放
;b!b/}5W0?*p;T%g&U:mTechWeb-技术社区 this._drag = new Drag(this.Drag, this.Drag, { Limit: true, onMove: 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;D)u%v%E5s;Y2B/A7W
//设置缩放
"H+Z6m-e*L6J!Ptech.techweb.com.cn this._resize = this.GetResize();
$j2u g+Z6t$~9l _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 q7G1Y k5|-O#hTechWeb-技术社区 this.Init();
'C:U:V*R(?3s-M },
+x1K8F5B6\3b+p //设置默认属性TechWeb-技术社区*t&V/a&Z!F2T!{/k+a e
SetOptions: function(options) {9|,W:x3g'Z)L&c.x"B3A5r
this.options = {//默认值
:y2T a:D"Y'z Opacity: 50,//透明度(0到100)
7` T8W-w0r)E;L)B"g-N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 //拖放位置和宽高)q%j&V!n/M+c(C0]
dragTop: 0,
-C1I4I5i.[,M7t dragLeft: 0,
:K#L5U,Z,pTechWeb-技术社区 dragWidth: 100,TechWeb-技术社区6z.z,g-B&@/@ i8f:G
dragHeight: 100,
9b+Y)O'p)~$I3{tech.techweb.com.cn //缩放触发对象$B4D"P;{6]/|
Right: "",
/o `.`+c5y*Z Left: "",
:J.\%P1I*s/J9h,U!G Up: "",TechWeb-技术社区(^'o#J(h9d8v3z/A
Down: "",TechWeb-技术社区 g;l2m5c-l6].S2v6P
RightDown: "",
"g&u!|6_7K;h |'}:q2r'L;J LeftDown: "",6a3M2V.p"j)[
RightUp: "",
2D9\8S2z.k1}-l8d.itech.techweb.com.cn LeftUp: "",6L0g&X;A#z*Q6z([4D'i.I
Scale: false,//是否按比例缩放
7S*T#C4C)V*c6B4^4F*fTechWeb-技术社区 //预览对象设置
'N0@;f5z"d7q/z9s,R-B&z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 View: "",//预览对象8h2|6}/V8N#S*v3f7e
viewWidth: 100,//预览宽度tech.techweb.com.cn#W$K%K5Z+K7m.S1i
viewHeight: 100//预览高度%l-v9B'~+r(c1C-@:f
};程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛9K W Q&@,z2h.k0w9{
Object.extend(this.options, options || {});
(G8H-r.m;Z3E3O'xtech.techweb.com.cn }, s i3y+] r
//初始化对象
7S*O7R'J"^!N:utech.techweb.com.cn Init: function() {
)Y4?;a0B2H G0D1D u程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 var oThis = this;tech.techweb.com.cn5]0e8u ^2V9E5]
'd%D2_%b-@.l1J4t+S3l9t!n程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 //设置容器
(m9z5V.v9W*q9E this.Container.style.width = this.Width + "px";TechWeb-技术社区4g6C-T(r4f8w
this.Container.style.height = this.Height + "px";
(_9U/\'R'x3h3|
2n!k#s,@#P+j9S.U //设置拖放对象8]$C"w2f7W*k-W,L
this.Drag.style.top = this.dragTop + "px";
5n8O'o;H-A;V+P6k9{$j this.Drag.style.left = this.dragLeft + "px";
'J0d0R7a0D4@,H(h,S2N this.Drag.style.width = this.dragWidth + "px";
9P+H4Y2W)H0q this.Drag.style.height = this.dragHeight + "px";
9b.j7U,`:u2O1m8F%{4o
"p1f3I7K7u'y.y)@6}:a程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 //设置切割对象
5D1U4_9~ Q,A this._pic.src = this._cropper.src = this.Url;
:_+R#u c3W'B9E1e!gTechWeb-技术社区 this._pic.style.width = this._cropper.style.width = this.Width + "px";
+~2r$P1r!m#x'{ this._pic.style.height = this._cropper.style.height = this.Height + "px";tech.techweb.com.cn5M&`9C5p-X6Z
if(isIE){
&w,j0D#Q${/W8S2C this._pic.style.filter = "alpha(opacity:" + this.Opacity + ")";tech.techweb.com.cn7p-Q1l,B8G
} else {tech.techweb.com.cn1P-T7}0z/m-n.W3h
this._pic.style.opacity = this.Opacity / 100;tech.techweb.com.cn e/d.N%v+q*z&a5@5S ];a
}tech.techweb.com.cn7r2|/b#S5S:P6A(d
8o4](V)]*f#[-u7q%F&b
//设置预览对象
&o,}*W#I&N.b3?:]TechWeb-技术社区 if(this.View){ this._view.src = this.Url; }程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛6B7S2C"m4}9{+L5e:[4V#S
tech.techweb.com.cn1@#R3r-T;C/O(I
//设置拖放tech.techweb.com.cn0n#~9],H(m%n"|:j&t0q
this._drag.mxRight = this.Width; this._drag.mxBottom = this.Height;
1N,W$y8R/F'{0n)J(q5]7} //设置缩放
:[6?;X4J0J#k3O"V9m;u/n if(this._resize){ this._resize.mxRight = this.Width; this._resize.mxBottom = this.Height; this._resize.Scale = this.Scale; }tech.techweb.com.cn-U.h)P+b2R&q7X
},4G0F.|4M6l9`;w9g
//设置获取缩放对象
,{5h8h3I.P7r4c1S*a*W,c GetResize: function() {
;C!H&u's;T%U$Y4m"a)Ptech.techweb.com.cn var op = this.options;TechWeb-技术社区'q'?*U2Z)a
//有触发对象时才设置程序开发，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7F'U6b'[/Y;U!s9Z+g
if(op.RightDown || op.LeftDown || op.RightUp || op.LeftUp || op.Right || op.Left || op.Up || op.Down ){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4M9H#W(X8g U,w
var oThis = this, _resize = new Resize(this.Drag, { Limit: true, onResize: function(){ oThis.SetPos(); } });
$q&I!o;X1[)V8q2P*C .I;k,o$d*G2l7U:i,X0Q;~
//设置缩放触发对象tech.techweb.com.cn W0k9i)]!T;D
if(op.RightDown){ _resize.Set(op.RightDown, "right-down"); }
4\-e/D9}8f9A8g(tTechWeb-技术社区 if(op.LeftDown){ _resize.Set(op.LeftDown, "left-down"); }
9S1N0`.^/x-i8DTechWeb-技术社区 (z/}9D c1E*H-b
if(op.RightUp){ _resize.Set(op.RightUp, "right-up"); }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#k)\(T4I"v,\!N$V;I
if(op.LeftUp){ _resize.Set(op.LeftUp, "left-up"); }
+L$D(i,a1?!t.{#_
,i n(G;y5S if(op.Right){ _resize.Set(op.Right, "right"); }
2[7d+|7N%y)Y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(op.Left){ _resize.Set(op.Left, "left"); }0{0g8{%V-y"u2s&e.\5W;U
5u.g,C,{+M6w.?.n;^7N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(op.Up){ _resize.Set(op.Up, "up"); }&M8v$F5r;J8r'Y&z*b1v
if(op.Down){ _resize.Set(op.Down, "down"); }
1z;A.z:J5Y2D
3d2Y6G6D5|"etech.techweb.com.cn return _resize;
1A,]*W)F"B2h q L/jTechWeb-技术社区 } else { return null; }
-{;T"L.s2U0y&A程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 },
7v5K,G"i4Q //设置切割:T;u0a!_5a"H2l
SetPos: function() {
!D6_.@!{-t.^/K1N var o = this.Drag;
2i1o)Q5u,]-J:}%t7E&~程序开发，操作系统，服务器，源码下载，Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛 //按拖放对象的参数进行切割
.N8?$w9?/n,f%}&{(f this._cropper.style.clip = "rect(" + o.offsetTop + "px " + (o.offsetLeft + o.offsetWidth) + "px " + (o.offsetTop + o.offsetHeight) + "px " + o.offsetLeft + "px)";TechWeb-技术社区3X8\0d(w4u1p%Z+w(e
//切割预览
*E-g(L(p6s"W if(this.View) this.PreView();
%R;n5H0J+` ^TechWeb-技术社区 }, TechWeb-技术社区*P9p5Z#a:`#t(m3D"y
//切割预览
*y)|:m${4D4VTechWeb-技术社区 PreView: function() {
5c#b!q'i6{2Gtech.techweb.com.cn //按比例设置宽度和高度:b6\;y+L%U!s._
var o = this.Drag, h = this.viewWidth, w = h * o.offsetWidth / o.offsetHeight;
7e0A }#u3r!q if(w > this.viewHeight){ w = this.viewHeight; h = w * o.offsetHeight / o.offsetWidth; }TechWeb-技术社区'V.s#B)q,j4e7O }7{
//获取对应比例尺寸
0?;\-|+w!q#i2N 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;TechWeb-技术社区-C7H(C%q!o/x)c1U
//设置样式程序开发，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(U*d!i2h"N8K3w
styleView.width = pw + "px"; styleView.height = ph + "px";
'Z4\:I7X k+A'g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 styleView.top = - pt + "px "; styleView.left = - pl + "px";TechWeb-技术社区.z*e2V,p,h
//切割预览图3O,s2y3I%t#E&m
styleView.clip = "rect(" + pt + "px " + (pl + w) + "px " + (pt + h) + "px " + pl + "px)";
0_#L1B4n6I4_tech.techweb.com.cn }8N#{)N/{#n5U3f
}
|
