Heres a solution for exporting pages (cropped or the whole page) or a selection.
Beware the script saves the file first and reverts to the saved version when done.
#target InDesign
//DESCRIPTION: Export PNG
/*
Author: Philipp Lehmann
Datum: 2013-07-17
*/
var column_left = 150;
var column_center_big = 140;
var column_center_small = 60;
var column_right = 210;
var column_right_text = 200;
var myDoc;
var myAssetName;
if (app.documents.length > 0) {
var userLevel = app.scriptPreferences.userInteractionLevel;
app.scriptPreferences.userInteractionLevel = UserInteractionLevels.NEVER_INTERACT;
var _version = app.scriptPreferences.version;
var myDoc = app.activeDocument;
/*var hMUnits = myDoc.viewPreferences.horizontalMeasurementUnits;
myDoc.viewPreferences.horizontalMeasurementUnits = MeasurementUnits.MILLIMETERS;
var VMUnits = myDoc.viewPreferences.verticalMeasurementUnits;
myDoc.viewPreferences.verticalMeasurementUnits = MeasurementUnits.MILLIMETERS;
var rulerOrigin = myDoc.viewPreferences.rulerOrigin;
myDoc.viewPreferences.rulerOrigin = RulerOrigin.PAGE_ORIGIN
var zeroPoint = myDoc.zeroPoint;
myDoc.zeroPoint = [0,0]
var tRPoint = myDoc.layoutWindows[0].transformReferencePoint;
myDoc.layoutWindows[0].transformReferencePoint = AnchorPoint.TOP_LEFT_ANCHOR;*/
try {
main ();
} catch (e) {
alert("An error occured at:\n" + e +
"\nLine: " + e.line +
"\nScript: " + e.fileName );
}
app.scriptPreferences.userInteractionLevel = userLevel;
/*app.scriptPreferences.version = _version
myDoc.viewPreferences.horizontalMeasurementUnits = hMUnits;
myDoc.viewPreferences.verticalMeasurementUnits = VMUnits;
myDoc.viewPreferences.rulerOrigin = rulerOrigin;
myDoc.zeroPoint = zeroPoint;
myDoc.layoutWindows[0].transformReferencePoint = tRPoint;*/
} else {
alert ("No document");
}
function main(){
// Save document and open the dialog
myDoc.save();
//Make certain that user interaction (display of dialogs, etc.) is turned on.
app.scriptPreferences.userInteractionLevel = UserInteractionLevels.interactWithAll;
myAssetName = (myDoc.name.replace(".indd"," "));
myExportDialog();
}
function myExportDialog(){
with(myDialog = app.dialogs.add({name:"Export PNG"})){
//Add dialog labels in three columns
myDialogColumn = dialogColumns.add()
/*with(myDialogColumn){
with(borderPanels.add()){
staticTexts.add({staticLabel:"Transparent Images:", minWidth: column_left});
with(myExportFormatButtons = radiobuttonGroups.add()){
radiobuttonControls.add({staticLabel:"Yes", checkedState:true, minWidth: column_right});
radiobuttonControls.add({staticLabel:"No", minWidth: column_right});
}
with (myPageSelection = dialogColumns.add() ) {
}
}
}*/
with(myDialogColumn){
with(borderPanels.add()){
staticTexts.add({staticLabel:"Crop Image:", minWidth: column_left});
with(myCropButtons = radiobuttonGroups.add()){
radiobuttonControls.add({staticLabel:"No", checkedState:true, minWidth: column_right});
radiobuttonControls.add({staticLabel:"Yes", minWidth: column_right});
}
with (myPageSelection = dialogColumns.add() ) {
}
}
}
with(myDialogColumn){
with(borderPanels.add()){
with (dialogColumns.add() ) {
staticTexts.add({staticLabel:"Export area", minWidth: column_left});
}
with (dialogColumns.add() ) {
with(myPageOptionButtons = radiobuttonGroups.add()){
radiobuttonControls.add({staticLabel:"Custom Pages", minWidth: column_center_big});
radiobuttonControls.add({staticLabel:"All Pages", checkedState:true, minWidth: column_center_big});
radiobuttonControls.add({staticLabel:"Export Selection", minWidth: column_center_big});
}
with (myPageSetting = dialogColumns.add() ) {
var myPageSelectionTextfield = textEditboxes.add({editContents: "", minWidth: column_center_small});
}
}
}
}
with(myDialogColumn){
with(borderPanels.add()){
with (dialogColumns.add() ) {
staticTexts.add({staticLabel:"Filename / Prefix", minWidth: column_left});
}
with (dialogColumns.add() ) {
with (myFileSetting = dialogColumns.add() ) {
var myFilenameTextfield = textEditboxes.add({editContents: myAssetName, minWidth: column_right_text});
}
}
}
}
myReturn = myDialog.show();
if (myReturn == true){
//Get the values from the dialog box.
//myExportFormat = myExportFormatButtons.selectedButton;
myCropOptions = myCropButtons.selectedButton;
myPageOptions = myPageOptionButtons.selectedButton;
myPageSelection = myPageSelectionTextfield.editContents;
myFilename = myFilenameTextfield.editContents;
myFolder = Folder.selectDialog ("Choose Destination Folder");
if(myFolder != null){
applyOptions();
}
} else{
myDialog.destroy();
}
}
}
// Call Export function for the corresponding pages.
function applyOptions() {
var myFile = new File(myFolder);
switch(myPageOptions) {
case 0:
// Export single Pages for comma separated values.
if ( myPageSelection.match(',') == "," ) {
var mp = myPageSelection.split(",");
for (i=0; i < mp.length; i++) {
if ( parseInt(mp) <= app.activeDocument.pages.length) {
exportPage(parseInt(mp) - 1);
} else {
alert("Invalid page selection");
}
}
success();
} else {
if ( parseInt(myPageSelection) <= app.activeDocument.pages.length) {
exportPage(myPageSelection - 1);
success();
} else {
alert("Invalid page selection");
}
}
break;
case 1:
// Export all Pages
for (i=0; i<app.activeDocument.pages.length; i++) {
exportPage(i);
}
success();
break;
case 2:
// Export selection
exportSelection();
success();
break;
default:
alert("How did you do that");
}
}
// Apply crop and transparency options and save the PNG-Files
function exportPage(pg) {
page = app.activeDocument.pages[pg];
for (mas=0; mas < page.appliedMaster.pageItems.length; mas++)
try {
page.appliedMaster.pageItems[mas].override(app.activeDocument.pages[pg]);
} catch (bah) { }
if(myCropOptions == 1) {
var myDoc = app.activeDocument;
var bounds = new Array();
bounds[0] = 0;
bounds[1] = 0;
bounds[2] = myDoc.documentPreferences.pageHeight;
bounds[3] = myDoc.documentPreferences.pageWidth;
// Rectangle fit to Page
r = page.rectangles.add({geometricBounds: bounds, strokeWeight: 0, fillColor: "None"});
}
g = page.groups.add(page.pageItems);
// app.hostObjectDelegate.pngExportPreferences.transparentBackground = true;
g.exportFile(ExportFormat.PNG_FORMAT, File(myFolder+"/"+myFilename+(page.name)+".png"));
g.ungroup();
if(myCropOptions == 1) {
r.remove();
}
}
function exportSelection() {
if (app.selection.length == 1) {
g = app.selection[0];
g.exportFile(ExportFormat.PNG_FORMAT, File(myFolder+"/"+myFilename+".png"));
success();
} else if (app.selection.length > 1) {
var myObj = new Array;
myObj = app.selection;
g = app.activeWindow.activePage.groups.add(myObj);
g.exportFile(ExportFormat.PNG_FORMAT, File(myFolder+"/"+myFilename+".png"));
g.ungroup();
success();
} else {
alert("Please select at least one object");
}
}
function success() {
app.scriptPreferences.userInteractionLevel = UserInteractionLevels.neverInteract;
try{
myDoc.revert();
} catch(error) {}
app.scriptPreferences.userInteractionLevel = UserInteractionLevels.interactWithAll;
}
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