批量更改图片尺寸大小的photoshop脚本

#target photoshop
app.bringToFront();
// 带自动判断横竖的统一宽高操作。默认是直接保存关闭，原文件要注意备份！ v2.0 - 2008.3.29
// 原发：bbs.blueidea.com - Photoshop版
var nowTime=new Date();
var PRESOLUTION = 72;
var startRulerUnits = app.preferences.rulerUnits;
var startTypeUnits = app.preferences.typeUnits;
app.preferences.rulerUnits = Units.PIXELS;
app.preferences.typeUnits = TypeUnits.PIXELS;
var title="批量尺寸调整 v2.0 - "

res ="dialog { \
text:'" title "直接保存并关闭',\
group: Group{orientation: 'column',alignChildren:'left',\
top:StaticText{text:'默认为直接覆盖保存 - 请注意选择或做好备份'},\
timeline:Progressbar{bounds:[0,0,300,10] , minvalue:0,maxvalue:100}\
corrdination: Panel { orientation: 'row', \
text: '需要尺寸', \
x: Group { orientation: 'row', \
s: StaticText { text:'宽:' }, \
e: EditText { preferredSize: [50, 20] } ,\
p: StaticText { text:'px' }, \
}, \
y: Group { orientation: 'row', \
s: StaticText { text:'高:' }, \
e: EditText { preferredSize: [50, 20] }, \
p: StaticText { text:'px' }, \
} ,\
}, \
a:Group{ orientation: 'row', \
c: Checkbox { text:' 保持原图宽高比，新尺寸仅作外框限定',helpTip:'原图比例不变,调整后宽/高均小于等于输入值'} ,\
}, \
b:Group{ orientation: 'row', \
c: Checkbox { text:' 不判断原图横竖',helpTip:'不根据原图的横竖自动对应尺寸,宽/高均以输入为准'} ,\
}, \
now:Group{ orientation: 'row', \
c: Checkbox { text:' 对文件夹进行操作（否则处理所有目前打开的文档）'} ,\
}, \
folderO:Group{ orientation: 'row', \
b: Button {text:'待处理文件夹', properties:{name:'open'} ,helpTip:'选择您需要处理的文件所在的文件夹'},\
s: EditText { text:'', preferredSize: [180, 20] },\
},\
shui:Group{ orientation: 'row', \
c: Checkbox { text:' 为图片添加水印'} ,\
g: Group {\
one:RadioButton {text:'单一' ,helpTip:'只添加一个水印图,可控制添加位置'},\
fill:RadioButton {text:'平铺' ,helpTip:'多个水印图平铺布满画面,可控制间距'},\
}\
}, \
shuiSet: Panel {orientation: 'row', \
text: '水印设置', \
position:Group{ orientation: 'column',alignChildren:'left',\
po1:Group{ orientation: 'row',\
c1:Checkbox { helpTip:'以左上角为基准', preferredSize: [14, 14]} ,\
c2:Checkbox { helpTip:'以上中点为基准', preferredSize: [14, 14]} ,\
c3:Checkbox { helpTip:'以右上角为基准', preferredSize: [14, 14]} ,\
}, \
po2:Group{ orientation: 'row', \
c4:Checkbox { helpTip:'以左中点为基准', preferredSize: [14, 14]} ,\
c5:Checkbox { helpTip:'以正中心为基准', preferredSize: [14, 14]} ,\
c6:Checkbox { helpTip:'以右中点为基准', preferredSize: [14, 14]} ,\
}, \
po3:Group{ orientation: 'row', \
c7:Checkbox { helpTip:'以左下角为基准', preferredSize: [14, 14]} ,\
c8:Checkbox { helpTip:'以下中点为基准', preferredSize: [14, 14]} ,\
c9:Checkbox { helpTip:'以右下角为基准', preferredSize: [14, 14]} ,\
}, \
},\
other:Group{ orientation: 'column',alignChildren:'left',\
dis:Group{ orientation: 'row',\
s1: StaticText { text:'平距:'}, \
e1: EditText { preferredSize: [55, 20], helpTip:'距离参照点的水平距离;平铺状态下为间距(单位:像素)' } ,\
s2: StaticText { text:'垂距:'}, \
e2: EditText { preferredSize: [55, 20], helpTip:'距离参照点的垂直距离;平铺状态下为间距(单位:像素)' } ,\
},\
hun:Group{ orientation: 'row',\
s: StaticText { text:'混合:'}, \
d:DropDownList { alignment:'left', itemSize: [50,16] },\
s2: StaticText { text:'缩放:'}, \
e:EditText{ preferredSize: [38, 20], text:'1',helpTip:'水印与原始水印文件的缩放比例'},\
},\
open:Group{ orientation: 'row', \
b: Button {text:'选择水印文件', properties:{name:'open'} ,helpTip:'请确保文件为常用图片格式,且非gif动画'},\
e: EditText { text:'', preferredSize: [86, 20] },\
},\
},\
},\
other:Group{ orientation: 'row', \
c: Checkbox {text:' 启用另存'} ,\
g: Group {\
jpeg:RadioButton {text:'JPEG'},\
gif:RadioButton {text:'GIF'},\
psd:RadioButton {text:'PSD'},\
tiff:RadioButton {text:'TIFF'},\
}\
}, \
otherSet: Panel {orientation: 'column',alignChildren:'left',\
text: '另存设置', \
Quality: Group { orientation: 'row', \
c: Checkbox { text:'转换 ICC 配置',helpTip:'在储存前将 ICC 配置文件转换为 sRGB'} ,\
s: StaticText { text:'压缩质量:' }, \
d: DropDownList { alignment:'left', itemSize: [26,14] },\
c2:Checkbox {text:'透明',helpTip:'包含基于颜色不透明度的透明性'},\
}, \
head: Group { orientation: 'row', \
s: StaticText { text:'在文件名前添加字符:' }, \
e: EditText { preferredSize: [50,20] } ,\
s2: StaticText { text:'勿含非法字符' , enabled:flase }, \
}, \
foot: Group { orientation: 'row', \
s: StaticText { text:'在文件名后添加字符:' }, \
e: EditText { preferredSize: [50, 20] }, \
s2: StaticText { text:'勿含非法字符' , enabled:flase}, \
} ,\
otherF:Group{ orientation: 'row', \
c: Checkbox { text:' 另存至其他文件夹'} ,\
}, \
folderS:Group{ orientation: 'row', \
b: Button {text:'另存至', properties:{name:'save'} ,helpTip:'选择您处理好的文件要保存至的文件夹'},\
s: EditText { text:'', preferredSize: [180, 20] },\
},\
icc: Checkbox { text:' 储存时包含 ICC 配置文件',helpTip:'存为 GIF 格式时此选项无效'},\
},\
},\
buttons: Group { orientation: 'row', alignment: 'right',\
s:StaticText {text:'[ABOUT]'},\
Btnok: Button { text:'确定', properties:{name:'ok'} }, \
Btncancel: Button { text:'取消', properties:{name:'cancel'} } \
}, \
}";

win = new Window (res);
win.buttons.Btncancel.onClick = function () { //放弃
app.preferences.rulerUnits = startRulerUnits;
app.preferences.typeUnits = startTypeUnits;
this.parent.parent.close();
}
win.buttons.s.onClick = function () {
alert("首发：bbs.blueidea.com Photoshop专栏\r\n鸣谢：我爱蓝色、银子、蛋蛋、clz8206、洛辰妃子、Wonton",title "关于");
}
function lock_b(){ //如果勾选了a,则b被锁定
if(win.group.a.c.value){
win.group.b.c.value=true;
}
}
win.group.a.c.onClick =function() { lock_b()};
win.group.b.c.onClick =function() { lock_b()};
// 打开文件夹的操作
var folderOpen=win.group.folderO
var folderSave=win.group.otherSet.folderS
folderOpen.b.onClick = function() {
var defaultFolder = folderOpen.s.text;
var testFolder = new Folder(defaultFolder);
if (!testFolder.exists) {
defaultFolder = "~";
}
var selFolder = Folder.selectDialog("选择待处理文件夹", defaultFolder);
if ( selFolder != null ) {
folderOpen.s.text = selFolder.fsName;
folderOpen.s.helpTip = selFolder.fsName.toString();
}
}
folderSave.b.onClick = function() {
var defaultFolder = folderSave.s.text;
var testFolder = new Folder(defaultFolder);
if (!testFolder.exists) {
defaultFolder = "~";
}
var selFolder = Folder.selectDialog("选择要储存至的文件夹", defaultFolder);
if ( selFolder != null ) {
folderSave.s.text = selFolder.fsName;
folderSave.s.helpTip = selFolder.fsName.toString();
}
}
win.group.shuiSet.other.open.b.onClick= function() //打开水印文件
{
var selFile = File.saveDialog('选择水印文件');
if ( selFile != null ) {
win.group.shuiSet.other.open.e.text = selFile.fsName;
}
}
// 初始化选项
if (app.documents.length == 0){
win.group.now.c.value = true;
win.group.folderO.enabled =true;
}else{
win.group.folderO.enabled =false;
}
win.group.other.g.enabled =false;
win.group.otherSet.enabled =false;
win.group.other.g.jpeg.value = true; //默认保存为jpg
win.group.otherSet.icc.value =true; //默认保存icc
var saveType = "jpeg";
win.group.otherSet.Quality.c2.hide(); //隐藏第二选框
for (i=0;i<13;i ){ //初始化jpeg质量下拉
win.group.otherSet.Quality.d.add("item", i );
}
win.group.otherSet.Quality.d.items[7].selected=true;
win.group.otherSet.Quality.d.helpTip ='JPEG 压缩质量 (值越大压缩后质量越高)';
win.group.shuiSet.enabled =false;
win.group.shui.g.enabled =false;
win.group.shui.g.one.value =true; //默认一个水印
win.group.shuiSet.position.po3.c9.value=true; //默认右下角
var jiaShui =false; //默认不添加水印
var sBlend= new Array();
sBlend[0]= "正常,NORMAL";
sBlend[1]= "溶解,DISSOLVE";
sBlend[2]= "变暗,DARKEN";
sBlend[3]= "正片叠底,MULTIPLY";
sBlend[4]= "颜色加深,COLORBURN";
sBlend[5]= "线性加深,LINEARBURN";
sBlend[6]= "变亮,LIGHTEN";
sBlend[7]= "滤色,SCREEN";
sBlend[8]= "颜色减淡,COLORDODGE";
sBlend[9]= "线性减淡,LINEARDODGE";
sBlend[10]= "叠加,OVERLAY";
sBlend[11]= "柔光,SOFTLIGHT";
sBlend[12]= "强光,HARDLIGHT";
sBlend[13]= "亮光,VIVIDLIGHT";
sBlend[14]= "线性光,LINEARLIGHT";
sBlend[15]= "点光,PINLIGHT";
sBlend[16]= "实色混合,HARDMIX";
sBlend[17]= "差值,DIFFERENCE";
sBlend[18]= "排除,EXCLUSION";
sBlend[19]= "色相,HUE";
sBlend[20]= "饱和度,SATURATION";
sBlend[21]= "颜色,COLORBLEND";
sBlend[22]= "明度,LUMINOSITY";
//sBlend[23]= "深色,DARKERCOLOR";
//sBlend[24]= "浅色,LIGHTERCOLOR";
for (i=0;i<23;i ) {
win.group.shuiSet.other.hun.d.add("item",sBlend[i].substring(0,sBlend[i].indexOf(",")));
}
win.group.shuiSet.other.hun.d.items[0].selected=true;
//操作文件夹开关
win.group.now.c.onClick =function(){
if (win.group.folderO.enabled) {
win.group.folderO.enabled =false;
}else{
win.group.folderO.enabled =true;
}
}
//另存开关
win.group.other.c.onClick =function(){
if (win.group.otherSet.enabled) {
win.group.other.g.enabled =false;
win.group.otherSet.enabled =false;
win.text=title '直接保存并关闭';
}else{
win.group.other.g.enabled = true;
win.group.otherSet.enabled =true;
win.text=title '另存为并关闭';
if (!win.group.otherSet.otherF.c.value) {win.group.otherSet.folderS.enabled =false}
}
}
//另存至文件夹开关
win.group.otherSet.otherF.c.onClick =function(){
if (win.group.otherSet.folderS.enabled) {
win.group.otherSet.folderS.enabled =false;
}else{
win.group.otherSet.folderS.enabled =true;
}
}
//水印开关
win.group.shui.c.onClick =function(){
if (win.group.shui.g.enabled) {
win.group.shui.g.enabled =false;
win.group.shuiSet.enabled =false;
}else{
win.group.shui.g.enabled =true;
win.group.shuiSet.enabled =true;
}
}
//定位开关
var allp=win.group.shuiSet.position;
function pointClear(nowP) {
allp.po1.c1.value =false;
allp.po1.c2.value =false;
allp.po1.c3.value =false;
allp.po2.c4.value =false;
allp.po2.c5.value =false;
allp.po2.c6.value =false;
allp.po3.c7.value =false;
allp.po3.c8.value =false;
allp.po3.c9.value =false;
nowP.value =true;
}
allp.po1.c1.onClick =function() {pointClear(this)}
allp.po1.c2.onClick =function() {pointClear(this)}
allp.po1.c3.onClick =function() {pointClear(this)}
allp.po2.c4.onClick =function() {pointClear(this)}
allp.po2.c5.onClick =function() {pointClear(this)}
allp.po2.c6.onClick =function() {pointClear(this)}
allp.po3.c7.onClick =function() {pointClear(this)}
allp.po3.c8.onClick =function() {pointClear(this)}
allp.po3.c9.onClick =function() {pointClear(this)}
//格式选项转换
win.group.other.g.jpeg.onClick =function() {
changeType("jpeg");}
win.group.other.g.gif.onClick =function() {
changeType("gif");}
win.group.other.g.psd.onClick =function() {
changeType("psd");}
win.group.other.g.tiff.onClick =function() {
changeType("tiff");}
//格式选项控制
function changeType(type){
saveType=type;
var don=win.group.otherSet.Quality;
switch (type) {
case "jpeg" :
don.c.text ='转换 ICC 配置' ;
don.c.helpTip ='在储存前将 ICC 配置文件转换为 sRGB'
don.c.value =false;
don.s.text ='压缩质量:';
don.d.helpTip ='JPEG 压缩质量 (值越大压缩后质量越高)';
don.d.removeAll();
for (i=0;i<13;i ){
don.d.add("item", i );
}
don.d.items[7].selected=true;
don.s.show();
don.d.show();
don.c2.hide();
win.text=title '另存为 JPG 格式';
break;
case "gif" :
don.c.text ='启用扩散仿色' ;
don.c.helpTip ='储存为 GIF 格式时使用扩散防色算法'
don.c.value =true;
don.s.text ='颜色位数:';
don.d.helpTip ='GIF 颜色位数 (值越大压缩后质量越高)';
don.d.removeAll();
for (i=2;i<257;i=i*2){
don.d.add("item",i);
}
don.d.items[7].selected=true;
don.c2.value =true;
don.s.show();
don.d.show();
don.c2.show();
win.text=title '另存为 GIF 格式';
break;
case "psd" :
don.c.text ='最大兼容' ;
don.c.helpTip ='储存为 PSD 格式是实现最大兼容'
don.c.value =true;
don.s.hide();
don.d.hide();
don.c2.hide();
win.text=title '另存为 PSD 格式';
break;
case "tiff" :
don.c.text ='LZW压缩' ;
don.c.helpTip ='用 TIFF 格式储存时使用 LZW 压缩'
don.c.value =false;
don.s.hide();
don.d.hide();
don.c2.hide();
win.text=title '另存为 TIFF 格式';
}
win.reload();
}
function fillPattern(name,id,opacity) { //填充图案
var desc4 = new ActionDescriptor();
desc4.putEnumerated( charIDToTypeID( "Usng" ), charIDToTypeID( "FlCn" ), charIDToTypeID( "Ptrn" ) );
var desc5 = new ActionDescriptor();
desc5.putString( charIDToTypeID( "Nm " ), name );
//desc5.putString( charIDToTypeID( "Idnt" ), id );
desc4.putObject( charIDToTypeID( "Ptrn" ), charIDToTypeID( "Ptrn" ), desc5 );
desc4.putUnitDouble( charIDToTypeID( "Opct" ), charIDToTypeID( "#Prc" ), opacity );
desc4.putEnumerated( charIDToTypeID( "Md " ), charIDToTypeID( "BlnM" ), charIDToTypeID( "Nrml" ) );
executeAction( charIDToTypeID( "Fl " ), desc4, DialogModes.NO );
};
function setPattern(name) { //定义图案
var desc13 = new ActionDescriptor();
var ref7 = new ActionReference();
ref7.putClass( charIDToTypeID("Ptrn") );
desc13.putReference( charIDToTypeID("null"), ref7 );
var ref8 = new ActionReference();
ref8.putProperty( charIDToTypeID("Prpr"),charIDToTypeID("fsel") );
ref8.putEnumerated( charIDToTypeID("Dcmn"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") );
desc13.putReference( charIDToTypeID("Usng"), ref8 );
desc13.putString( charIDToTypeID("Nm "), name );
executeAction( charIDToTypeID("Mk "), desc13, DialogModes.NO );
}
function delPattern(){ //删除图案
var desc92 = new ActionDescriptor();
var ref53 = new ActionReference();
ref53.putIndex( charIDToTypeID( "Ptrn" ), 178 );
desc92.putReference( charIDToTypeID( "null" ), ref53 );
executeAction( charIDToTypeID( "Dlt " ), desc92, DialogModes.NO );
}
// 实际处理开始
function newsize(docRef,a,b,x,y){ //改变图象尺寸函数
var PW=x;
var PH=y;
if (x<1 || y<1) b=true; //有一个值空缺的时候，不判断横竖
if (!b && x<y){ //确保PW>=PH
PW=y;
PH=x;
}

var dw = docRef.width;
var dh = docRef.height;
var fw = PW;
var fh = PH;

if(!b && dh>dw){
fw = PH;
fh = PW;
}

if (x<1) fw=dw; //尺寸小于1则为 不做改变
if (y<1) fh=dh;

if(a){
w1 =dw/fw;
h1 =dh/fh;
if(w1>h1){
fh =dh/w1;
}else{
fw =dw/h1;
}
if (x<1 && y>=1) {fw=dw/h1;fh=y;} //有1个值不做限定的情况
if (y<1 && x>=1) {fh =dh/w1;fw=x;}
}
docRef.resizeImage(fw, fh, PRESOLUTION, ResampleMethod.BICUBIC);
}

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